[BSP] move libcpu/mips/x1000 to bsp/x1000/cpu

32 files changed, 0 insertions, 6260 deletions

diff --git a/libcpu/mips/x1000/SConscript b/libcpu/mips/x1000/SConscript
deleted file mode 100644
index b0ae20ba02..0000000000
--- a/libcpu/mips/x1000/SConscript
+++ /dev/null
@@ -1,14 +0,0 @@
-# RT-Thread building script for component
-
-from building import *
-
-Import('rtconfig')
-
-cwd     = GetCurrentDir()
-src     = Glob('*.c') + Glob('*.cpp') + Glob('*_gcc.S')
-CPPPATH = [cwd]
-ASFLAGS = ''
-
-group = DefineGroup('cpu', src, depend = [''], CPPPATH = CPPPATH, ASFLAGS = ASFLAGS)
-
-Return('group')
diff --git a/libcpu/mips/x1000/cache.c b/libcpu/mips/x1000/cache.c
deleted file mode 100644
index 5fc9682810..0000000000
--- a/libcpu/mips/x1000/cache.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * File      : cache.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016/11/02     Urey         the first version
- */
-
-#include <rtthread.h>
-#include <board.h>
-#include <rthw.h>
-
-#include "../common/mips.h"
-
-
-#define CONFIG_SYS_DCACHE_SIZE      16384
-#define CONFIG_SYS_ICACHE_SIZE      16384
-#define CONFIG_SYS_CACHELINE_SIZE   32
-
-#define K0_TO_K1()                      \
-do {                                    \
-    unsigned long __k0_addr;            \
-                                        \
-    __asm__ __volatile__(               \
-    "la %0, 1f\n\t"                     \
-    "or %0, %0, %1\n\t"                 \
-    "jr %0\n\t"                         \
-    "nop\n\t"                           \
-    "1: nop\n"                          \
-    : "=&r"(__k0_addr)                  \
-    : "r" (0x20000000) );               \
-} while(0)
-
-#define K1_TO_K0()                      \
-do {                                    \
-    unsigned long __k0_addr;            \
-    __asm__ __volatile__(               \
-    "nop;nop;nop;nop;nop;nop;nop\n\t"       \
-    "la %0, 1f\n\t"             \
-    "jr %0\n\t"                 \
-    "nop\n\t"                   \
-    "1: nop\n"                  \
-    : "=&r" (__k0_addr));       \
-} while (0)
-
-#define INVALIDATE_BTB()        \
-do {                            \
-    unsigned long tmp;         \
-    __asm__ __volatile__(     \
-    ".set mips32\n\t"           \
-    "mfc0 %0, $16, 7\n\t"       \
-    "nop\n\t"                   \
-    "ori %0, 2\n\t"             \
-    "mtc0 %0, $16, 7\n\t"       \
-    "nop\n\t"                   \
-    ".set mips2\n\t"            \
-    : "=&r" (tmp));             \
-} while (0)
-
-#define __sync()                \
-    __asm__ __volatile__(           \
-        ".set   push\n\t"       \
-        ".set   noreorder\n\t"      \
-        ".set   mips2\n\t"      \
-        "sync\n\t"          \
-        ".set   pop"            \
-        : /* no output */       \
-        : /* no input */        \
-        : "memory")
-
-#if defined(JZ4775) || defined(X1000)
-#define SYNC_WB()               \
-do {                        \
-    __asm__ __volatile__ (          \
-    "sync\n\t"              \
-    "lw $0, %0\n\t"             \
-    :                   \
-    :"m"(*(int *)0xa0000000)        \
-    :"memory");             \
-} while (0)
-#else
-#error "not define sync wb"
-#define SYNC_WB() __asm__ __volatile__ ("sync")
-#endif
-
-
-#undef cache_op
-#define cache_op(op, addr)      \
-    __asm__ __volatile__(       \
-        ".set   push\n"     \
-        ".set   noreorder\n"    \
-        ".set   mips3\n"    \
-        "cache  %0, %1\n"   \
-        ".set   pop\n"      \
-        :           \
-        : "i" (op), "R" (*(unsigned char *)(addr)))
-
-
-void rt_hw_dcache_flush_line(rt_uint32_t addr)
-{
-	cache_op(HIT_WRITEBACK_INV_D, addr);
-	SYNC_WB();
-}
-
-void rt_hw_dcache_flush_range(rt_uint32_t start_addr, rt_uint32_t size)
-{
-    rt_uint32_t lsize = CONFIG_SYS_CACHELINE_SIZE;
-    rt_uint32_t addr = start_addr & ~(lsize - 1);
-    rt_uint32_t aend = (start_addr + size - 1) & ~(lsize - 1);
-    rt_uint32_t writebuffer;
-
-    for (; addr <= aend; addr += lsize)
-    {
-        cache_op(HIT_WRITEBACK_INV_D, addr);
-    }
-    SYNC_WB();
-}
-
-void rt_hw_dcache_flush_all(void)
-{
-    rt_uint32_t addr;
-
-    for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
-    {
-        cache_op(INDEX_WRITEBACK_INV_D, addr);
-    }
-
-    SYNC_WB();
-}
-
-void rt_hw_dcache_invalidate_range(rt_uint32_t start_addr,rt_uint32_t size)
-{
-    rt_uint32_t lsize = CONFIG_SYS_CACHELINE_SIZE;
-    rt_uint32_t addr = start_addr & ~(lsize - 1);
-    rt_uint32_t aend = (start_addr + size - 1) & ~(lsize - 1);
-
-    for (; addr <= aend; addr += lsize)
-        cache_op(HIT_INVALIDATE_D, addr);
-}
-
-void rt_hw_dcache_invalidate_all(void)
-{
-    rt_uint32_t addr;
-
-    for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
-    {
-        cache_op(INDEX_STORE_TAG_D, addr);
-    }
-
-    SYNC_WB();
-}
-
-void rt_hw_icache_flush_line(rt_uint32_t addr)
-{
-    cache_op(HIT_INVALIDATE_I, addr);
-}
-
-void rt_hw_icache_flush_all(void)
-{
-    rt_uint32_t addr;
-
-    asm volatile ("mtc0 $0, $28"); /* Clear Taglo */
-    asm volatile ("mtc0 $0, $29"); /* Clear TagHi */
-
-    for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
-    {
-        cache_op(INDEX_STORE_TAG_I, addr);
-    }
-
-    INVALIDATE_BTB();
-}
-
-void rt_hw_icache_invalidate_all(void)
-{
-    rt_uint32_t i;
-
-    K0_TO_K1();
-
-    asm volatile (".set noreorder\n"
-              ".set mips32\n\t"
-              "mtc0\t$0,$28\n\t"
-              "mtc0\t$0,$29\n"
-              ".set mips0\n"
-              ".set reorder\n");
-    for (i = CKSEG0; i < CKSEG0 + CONFIG_SYS_ICACHE_SIZE; i += CONFIG_SYS_CACHELINE_SIZE)
-        cache_op(INDEX_STORE_TAG_I, i);
-
-    K1_TO_K0();
-
-    INVALIDATE_BTB();
-}
-
-
-void rt_hw_flush_cache_all(void)
-{
-    rt_hw_dcache_flush_all();
-    rt_hw_icache_flush_all();
-}
-
-
-
diff --git a/libcpu/mips/x1000/cache.h b/libcpu/mips/x1000/cache.h
deleted file mode 100644
index 0454527d91..0000000000
--- a/libcpu/mips/x1000/cache.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * File      : cache.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016��9��19��     Urey         the first version
- */
-
-#ifndef _X1000_CACHE_H_
-#define _X1000_CACHE_H_
-
-#include "../common/mips.h"
-#include "../common/mips_cache.h"
-
-
-void rt_hw_icache_invalidate_all(void);
-void rt_hw_icache_flush_all(void);
-
-void rt_hw_dcache_flush_all(void);
-void rt_hw_dcache_flush_range(rt_uint32_t addr, rt_uint32_t size);
-void rt_hw_dcache_invalidate_all(void);
-void rt_hw_dcache_invalidate_range(rt_uint32_t addr,rt_uint32_t size);
-
-void rt_hw_flush_cache_all(void);
-#endif /* _X1000_CACHE_H_ */
diff --git a/libcpu/mips/x1000/cpu.c b/libcpu/mips/x1000/cpu.c
deleted file mode 100644
index e1a51b9fe7..0000000000
--- a/libcpu/mips/x1000/cpu.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * File      : cpu.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016��9��8��     Urey         the first version
- */
-
-
-#include <rtthread.h>
-#include <board.h>
-#include <rthw.h>
-
-#include "../common/mips.h"
-
-mips32_core_cfg_t g_mips_core =
-{
-	.icache_line_size 	= 32,
-	.icache_size		= 16384,
-
-	.dcache_line_size 	= 32,
-	.dcache_size		= 16384,
-
-	.max_tlb_entries 	= 16,		/* max_tlb_entries */
-};
-
-void rt_hw_tlb_init(void)
-{
-//----------------------------------------------------------------------------------
-//cchappy tlb  0x30000000 to 0xC0000000
-//----------------------------------------------------------------------------------
-	unsigned int pagemask = 0x007fe000;//0x01ffe000; /* 4MB */
-	/* cached D:allow-W V:valid G */
-	unsigned int entrylo0 = (0x30000000 >> 6) | (3 << 3) + (1 << 2) + (1 << 1) + 1;
-	unsigned int entrylo1 = (0x30400000 >> 6) | (3 << 3) + (1 << 2) + (1 << 1) + 1;
-	unsigned int entryhi 	= 0xc0000000; /* kseg2 base */
-	int i;
-	__write_32bit_c0_register($5, 4, 0xa9000000);
-	write_c0_pagemask(pagemask);
-	write_c0_wired(0);
-/* indexed write 32 tlb entry */
-	for(i = 0; i < 32; i++)
-	{
-		asm (
-		".macro _ssnop; sll $0, $0, 1; .endm\n\t"
-		".macro _ehb; sll $0, $0, 3; .endm\n\t"
-		".macro mtc0_tlbw_hazard; _ssnop; _ssnop; _ehb; .endm\n\t"
-		".macro tlbw_use_hazard; _ssnop; _ssnop; _ssnop; _ehb; .endm\n\t"
-		"\n\t"
-		"mtc0 %0, $0\n\t" /* write Index */
-		"tlbw_use_hazard\n\t"
-		"mtc0 %1, $5\n\t" /* write PageMask */
-		"mtc0 %2, $10\n\t" /* write EntryHi */
-		"mtc0 %3, $2\n\t" /* write EntryLo0 */
-		"mtc0 %4, $3\n\t" /* write EntryLo1 */
-		"mtc0_tlbw_hazard\n\t"
-		"tlbwi \n\t" /* TLB indexed write */
-		"tlbw_use_hazard\n\t"
-		: : "Jr" (i), "r" (pagemask), "r" (entryhi),
-		"r" (entrylo0), "r" (entrylo1)
-		);
-		entryhi += 0x0800000; /* 32MB */
-		entrylo0 += (0x0800000 >> 6);
-		entrylo1 += (0x0800000 >> 6);
-	}
-}
-
-void rt_hw_cache_init(void)
-{
-	r4k_cache_flush_all();
-}
-
-/**
- * this function will reset CPU
- *
- */
-RT_WEAK void rt_hw_cpu_reset()
-{
-    /* open the watch-dog */
-    REG_WDT_TCSR  = WDT_TCSR_EXT_EN;
-    REG_WDT_TCSR |= WDT_TCSR_PRESCALE_1024;
-    REG_WDT_TDR   = 0x03;
-    REG_WDT_TCNT  = 0x00;
-    REG_WDT_TCER |= WDT_TCER_TCEN;
-
-    rt_kprintf("reboot system...\n");
-    rt_hw_interrupt_disable();
-    while (1);
-}
-
-/**
- * this function will shutdown CPU
- *
- */
-RT_WEAK void rt_hw_cpu_shutdown()
-{
-	rt_kprintf("shutdown...\n");
-	rt_hw_interrupt_disable();
-	while (1);
-}
-
-/**
- * This function finds the first bit set (beginning with the least significant bit)
- * in value and return the index of that bit.
- *
- * Bits are numbered starting at 1 (the least significant bit).  A return value of
- * zero from any of these functions means that the argument was zero.
- *
- * @return return the index of the first bit set. If value is 0, then this function
- * shall return 0.
- */
-RT_WEAK int __rt_ffs(int value)
-{
-    return __builtin_ffs(value);
-}
diff --git a/libcpu/mips/x1000/interrupt.c b/libcpu/mips/x1000/interrupt.c
deleted file mode 100644
index 2a7a42e792..0000000000
--- a/libcpu/mips/x1000/interrupt.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * File      : cpu_intc.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016/09/07     Urey         the first version
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <rtthread.h>
-#include <rthw.h>
-#include <board.h>
-
-#include "../common/mips.h"
-
-#define INTERRUPTS_MAX	64
-
-extern rt_uint32_t rt_interrupt_nest;
-rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
-rt_uint32_t rt_thread_switch_interrupt_flag;
-
-static struct rt_irq_desc isr_table[INTERRUPTS_MAX];
-
-static void rt_hw_interrupt_handler(int vector, void *param)
-{
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
-}
-
-void rt_hw_interrupt_init(void)
-{
-    rt_int32_t idx;
-
-	clear_c0_status(0xff04); /* clear ERL */
-	set_c0_status(0x0400);   /* set IP2 */
-
-
-    rt_memset(isr_table, 0x00, sizeof(isr_table));
-    for (idx = 0; idx < INTERRUPTS_MAX; idx ++)
-    {
-        isr_table[idx].handler = rt_hw_interrupt_handler;
-    }
-
-    /* init interrupt nest, and context in thread sp */
-    rt_interrupt_nest               = 0;
-    rt_interrupt_from_thread        = 0;
-    rt_interrupt_to_thread          = 0;
-    rt_thread_switch_interrupt_flag = 0;
-
-	/* enable cpu interrupt mask */
-	set_c0_status(IE_IRQ0 | IE_IRQ1);
-}
-
-void rt_hw_interrupt_mask(int vector)
-{
-    /* mask interrupt */
-    __intc_mask_irq(vector);
-}
-
-void rt_hw_interrupt_umask(int vector)
-{
-    __intc_unmask_irq(vector);
-}
-
-rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
-        void *param, const char *name)
-{
-    rt_isr_handler_t old_handler = RT_NULL;
-
-    if(vector < INTERRUPTS_MAX)
-    {
-        old_handler = isr_table[vector].handler;
-
-#ifdef RT_USING_INTERRUPT_INFO
-        rt_strncpy(isr_table[vector].name, name, RT_NAME_MAX);
-#endif /* RT_USING_INTERRUPT_INFO */
-        isr_table[vector].handler = handler;
-        isr_table[vector].param = param;
-    }
-
-    return old_handler;
-}
-
-rt_inline int fls(int x)
-{
-    __asm__("clz %0, %1" : "=r" (x) : "r" (x));
-
-    return 32 - x;
-}
-
-void rt_interrupt_dispatch(void *ptreg)
-{
-    void *param;
-    rt_isr_handler_t irq_func;
-
-    int irq = 0, group;
-    rt_uint32_t intc_ipr0 = 0, intc_ipr1 = 0, vpu_pending = 0;
-
-    rt_uint32_t c0_status, c0_cause;
-    rt_uint32_t pending_im;
-
-    /* check os timer */
-    c0_status = read_c0_status();
-    c0_cause = read_c0_cause();
-
-	pending_im = (c0_cause & ST0_IM) & (c0_status & ST0_IM);
-
-    if (pending_im & CAUSEF_IP3)
-    {
-		extern void rt_hw_ost_handler(void);
-        rt_hw_ost_handler();
-        return;
-    }
-    if (pending_im & CAUSEF_IP2)
-    {
-        intc_ipr0 = REG_INTC_IPR(0);
-        intc_ipr1 = REG_INTC_IPR(1);
-
-        if (intc_ipr0)
-        {
-            irq = fls(intc_ipr0) - 1;
-            intc_ipr0 &= ~(1<<irq);
-        }
-        else if(intc_ipr1)
-        {
-            irq = fls(intc_ipr1) - 1;
-            intc_ipr1 &= ~(1<<irq);
-            irq += 32;
-        }
-        else
-        {
-        	//VPU
-        }
-
-        if (irq >= INTERRUPTS_MAX)
-            rt_kprintf("max interrupt, irq=%d\n", irq);
-
-        /* do interrupt */
-        irq_func = isr_table[irq].handler;
-        param = isr_table[irq].param;
-        (*irq_func)(irq, param);
-
-#ifdef RT_USING_INTERRUPT_INFO
-        isr_table[irq].counter++;
-#endif /* RT_USING_INTERRUPT_INFO */
-
-        /* ack interrupt */
-        __intc_ack_irq(irq);
-    }
-
-    if (pending_im & CAUSEF_IP0)
-        rt_kprintf("CAUSEF_IP0\n");
-    if (pending_im & CAUSEF_IP1)
-        rt_kprintf("CAUSEF_IP1\n");
-    if (pending_im & CAUSEF_IP4)
-        rt_kprintf("CAUSEF_IP4\n");
-    if (pending_im & CAUSEF_IP5)
-        rt_kprintf("CAUSEF_IP5\n");
-    if (pending_im & CAUSEF_IP6)
-        rt_kprintf("CAUSEF_IP6\n");
-    if (pending_im & CAUSEF_IP7)
-        rt_kprintf("CAUSEF_IP7\n");
-}
-
-#ifdef RT_USING_INTERRUPT_INFO
-#include <finsh.h>
-int list_irqs(void)
-{
-    int index;
-
-    rt_kprintf("interrupt list:\n");
-    rt_kprintf("----------------\n");
-    rt_kprintf("name     counter\n");
-    for (index = 0; index < INTERRUPTS_MAX; index ++)
-    {
-        if (isr_table[index].handler != rt_hw_interrupt_handler)
-        {
-            rt_kprintf("%-*.*s %d\n", RT_NAME_MAX, RT_NAME_MAX, isr_table[index].name, isr_table[index].counter);
-        }
-    }
-
-    return 0;
-}
-MSH_CMD_EXPORT(list_irqs, list interrupt counter);
-#endif
-
-unsigned int spin_lock_irqsave(void)
-{
-	register unsigned int t;
-	t = read_c0_status();
-	write_c0_status((t & (~1)));
-	return (t);
-}
-
-void spin_unlock_irqrestore(unsigned int val)
-{
-	write_c0_status(val);
-}
diff --git a/libcpu/mips/x1000/mips_backtrace.c b/libcpu/mips/x1000/mips_backtrace.c
deleted file mode 100644
index b8a861bad5..0000000000
--- a/libcpu/mips/x1000/mips_backtrace.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * File      : mips_backtrace.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016��9��11��     Urey         the first version
- */
-
-#include <rtthread.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-
-#include "mips.h"
-
-/*********************************************************************************************************
-  ָ���
-*********************************************************************************************************/
-#define ADDUI_SP_INST           0x27bd0000
-#define SW_RA_INST              0xafbf0000
-#define JR_RA_INST              0x03e00008
-
-#define INST_OP_MASK            0xffff0000
-#define INST_OFFSET_MASK        0x0000ffff
-
-#define abs(s) ((s) < 0 ? -(s):(s))
-
-int backtrace_ctx(mips_reg_ctx *ctx)
-{
-	unsigned long *addr;
-	unsigned long *pc, *ra, *sp;
-	size_t ra_offset;
-	size_t stack_size;
-	int depth;
-	int size = 8;
-
-	pc = (unsigned long *)(unsigned long)ctx->CP0EPC;
-	ra = (unsigned long *)(unsigned long)ctx->regs[REG_RA];
-	sp = (unsigned long *)(unsigned long)ctx->regs[REG_SP];
-
-	rt_kprintf("[0x%08x]\n", pc);
-
-	if (size == 1) return 1;
-
-	ra_offset = stack_size = 0;
-
-	for (addr = ra; !ra_offset || !stack_size; --addr)
-	{
-		switch (*addr & INST_OP_MASK) {
-			case ADDUI_SP_INST:
-				stack_size = abs((short)(*addr&INST_OFFSET_MASK));
-				break;
-
-			case SW_RA_INST:
-				ra_offset = (short)(*addr&INST_OFFSET_MASK);
-				break;
-
-			case 0x3c1c0000:
-				goto out_of_loop;
-
-			default:
-				break;
-		}
-	}
-
-out_of_loop:
-	if (ra_offset)  ra = *(unsigned long **)((unsigned long)sp + ra_offset);
-	if (stack_size) sp = (unsigned long *)((unsigned long)sp + stack_size);
-
-	// repeat backwar scanning
-	for (depth = 1; depth < size && ra && ra != (unsigned long *)0xffffffff; ++depth)
-	{
-		rt_kprintf("RA[%2d] : [0x%08x]\n", depth ,ra);
-
-		ra_offset = 0;
-		stack_size = 0;
-
-		for ( addr = ra; !ra_offset || !stack_size; -- addr )
-		{
-			switch( *addr & INST_OP_MASK)
-			{
-				case ADDUI_SP_INST:
-					stack_size = abs((short)(*addr&INST_OFFSET_MASK));
-					break;
-
-				case SW_RA_INST:
-					ra_offset = abs((short)(*addr&INST_OFFSET_MASK));
-					break;
-
-				case 0x3c1c0000:
-					return depth +1;
-
-				default:
-					break;
-			}
-		}
-
-		ra = *(unsigned long **)((unsigned long)sp + ra_offset);
-		sp = (unsigned long *)((unsigned long)sp + stack_size);
-	}
-
-	return depth;
-}
-
-int backtrace(void)
-{
-	unsigned long *addr;
-	unsigned long *ra;
-	unsigned long *sp;
-	int size = 8, depth;
-
-	size_t ra_offset;
-	size_t stack_size;
-
-	// get current $a and $sp
-	__asm__ __volatile__ (
-			" move %0, $ra\n"
-			" move %1, $sp\n"
-			: "=r"(ra), "=r"(sp)
-			);
-
-	// scanning to find the size of hte current stack frame
-	stack_size  = 0;
-
-	for ( addr = (unsigned long *)backtrace; !stack_size; ++addr)
-	{
-		if ((*addr & INST_OP_MASK ) == ADDUI_SP_INST )
-			stack_size = abs((short)(*addr&INST_OFFSET_MASK));
-		else if ( *addr == JR_RA_INST )
-			break;
-	}
-
-	sp = (unsigned long *) (( unsigned long )sp + stack_size);
-
-	// repeat backwar scanning
-	for ( depth = 0; depth < size && ((( unsigned long )ra > KSEG0BASE) && (( unsigned long )ra < KSEG1BASE)); ++ depth )
-	{
-		rt_kprintf("RA[%2d] : [0x%08x]\n", depth, ra);
-		{
-			extern void rt_thread_exit(void);
-			if ((uint32_t)ra == (uint32_t)(rt_thread_exit))
-				return depth;
-		}
-
-		ra_offset = 0;
-		stack_size = 0;
-
-		for ( addr = ra; !ra_offset || !stack_size; -- addr )
-		{
-			switch( *addr & INST_OP_MASK)
-			{
-				case ADDUI_SP_INST:
-					stack_size = abs((short)(*addr&INST_OFFSET_MASK));
-					break;
-
-				case SW_RA_INST:
-					ra_offset = (short)(*addr&INST_OFFSET_MASK);
-					break;
-
-				case 0x3c1c0000:
-					return depth +1;
-
-				default:
-					break;
-			}
-		}
-
-		ra = *(unsigned long **)((unsigned long)sp + ra_offset);
-		sp = (unsigned long*) ((unsigned long)sp+stack_size );
-	}
-
-	return depth;
-}
-
-#include <rtthread.h>
-extern long list_thread(void);
-void assert_hook(const char* ex, const char* func, rt_size_t line)
-{
-	backtrace();
-
-	list_thread();
-	rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex, func, line);
-}
-
-int backtrace_init(void)
-{
-#ifdef RT_DEBUG
-	rt_assert_set_hook(assert_hook);
-#endif
-	return 0;
-}
-INIT_DEVICE_EXPORT(backtrace_init);
diff --git a/libcpu/mips/x1000/mips_cache_gcc.S b/libcpu/mips/x1000/mips_cache_gcc.S
deleted file mode 100644
index cc69cba1a6..0000000000
--- a/libcpu/mips/x1000/mips_cache_gcc.S
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016-09-19     Urey         first version
- */
-
-#ifndef __ASSEMBLY__
-#define	__ASSEMBLY__
-#endif
-
-#include "../common/mips.h"
-
-    .text
-    .set noreorder
-
-    .globl  cache_init
-    .ent    cache_init
-cache_init:
-    .set    noreorder
-    mtc0    zero, CP0_TAGLO
-    move    t0, a0                  // cache total size
-    move    t1, a1                  // cache line size
-    li      t2, 0x80000000
-    addu    t3, t0, t2
-
-_cache_init_loop:
-    cache   8, 0(t2)                // icache_index_store_tag
-    cache   9, 0(t2)                // dcache_index_store_tag
-    addu    t2, t1
-    bne     t2, t3, _cache_init_loop
-    nop
-
-    mfc0    t0, CP0_CONFIG
-    li      t1, 0x7
-    not     t1
-    and     t0, t0, t1
-    or      t0, 0x3                 // cacheable, noncoherent, write-back, write allocate
-    mtc0    t0, CP0_CONFIG
-
-    jr      ra
-    nop
-
-    .set    reorder
-    .end    cache_init
diff --git a/libcpu/mips/x1000/mips_context_gcc.S b/libcpu/mips/x1000/mips_context_gcc.S
deleted file mode 100644
index 5cb473a72a..0000000000
--- a/libcpu/mips/x1000/mips_context_gcc.S
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016-09-07     Urey         first version
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips.h"
-
-	.global	rt_thread_switch_interrupt_flag
-    .global	rt_interrupt_from_thread
-    .global	rt_interrupt_to_thread
-
-    .section .text,"ax",@progbits
-    .set noreorder
-    .set noat
-
-    .globl rt_hw_interrupt_disable
-rt_hw_interrupt_disable:
-    mfc0 	v0,CP0_STATUS
-    srl 	v1,v0,1
-    sll 	v1,v1,1
-#	and 	v1,v0,0xfffffffe
-    mtc0 	v1,CP0_STATUS
-    jr 		ra
-    nop
-
-LEAF(rt_hw_interrupt_enable)
-    mtc0 	a0,CP0_STATUS
-    jr 		ra
-    nop
-END(rt_hw_interrupt_enable)
-
-/*
- * void rt_hw_context_switch_to(rt_uint32 to)/*
- * a0 --> to
- */
-LEAF(rt_hw_context_switch_to)
-	lw 	sp ,	0(a0)                 	/* switch to the new stack */
-    RESTORE_CONTEXT
-END(rt_hw_context_switch_to)
-
-/*
- * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to)
- * a0 --> from
- * a1 --> to
- */
-LEAF(rt_hw_context_switch)
-	mtc0    ra, CP0_EPC
-    SAVE_CONTEXT
-
-    sw      sp, 0(a0)       /* store sp in preempted tasks TCB */
-    lw      sp, 0(a1)       /* get new task stack pointer */
-
-	RESTORE_CONTEXT
-END(rt_hw_context_switch)
-
-LEAF(rt_hw_context_switch_interrupt)
-    la      t0, rt_thread_switch_interrupt_flag
-    lw      t1, 0(t0)
-    nop
-    bnez    t1, _reswitch
-    nop
-    li      t1, 0x01                       /* set rt_thread_switch_interrupt_flag to 1 */
-    sw      t1, 0(t0)
-    la      t0, rt_interrupt_from_thread   /* set rt_interrupt_from_thread */
-    sw      a0, 0(t0)
-_reswitch:
-    la      t0, rt_interrupt_to_thread     /* set rt_interrupt_to_thread */
-    sw      a1, 0(t0)
-    jr      ra
-    nop
-END(rt_hw_context_switch_interrupt)
-
diff --git a/libcpu/mips/x1000/mips_excpt.c b/libcpu/mips/x1000/mips_excpt.c
deleted file mode 100644
index 5d2a3dce6d..0000000000
--- a/libcpu/mips/x1000/mips_excpt.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * File      : mips_excpt.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016��9��7��     Urey         the first version
- */
-
-#include <rtthread.h>
-#include <rthw.h>
-#include <stdio.h>
-
-#include "mips.h"
-#include "mips_excpt.h"
-
-extern int backtrace(void);
-int backtrace_ctx(mips_reg_ctx *ctx);
-
-extern long list_thread(void);
-
-const static char *regstr[] = {
-	"$0  zero", "$1  at", "$2  v0", "$3  v1", "$4  a0", "$5  a1", "$6  a2", "$7  a3",
-	"$8  t0", "$9  t1", "$10 t2", "$11 t3", "$12 t4", "$13 t5", "$14 t6", "$15 t7",
-	"$16 s0", "$17 s1", "$18 s2", "$19 s3", "$20 s4", "$21 s5", "$22 s6", "$23 s7",
-	"$24 t8", "$25 t9", "$26 k0", "$27 k1", "$28 gp", "$29 sp", "$30 fp", "$31 ra"
-};
-
-static const char *cause_strings[32] =
-{
-  /*  0 */ "Int",
-  /*  1 */ "TLB Mods",
-  /*  2 */ "TLB Load",
-  /*  3 */ "TLB Store",
-  /*  4 */ "Address Load",
-  /*  5 */ "Address Store",
-  /*  6 */ "Instruction Bus Error",
-  /*  7 */ "Data Bus Error",
-  /*  8 */ "Syscall",
-  /*  9 */ "Breakpoint",
-  /* 10 */ "Reserved Instruction",
-  /* 11 */ "Coprocessor Unuseable",
-  /* 12 */ "Overflow",
-  /* 13 */ "Trap",
-  /* 14 */ "Instruction Virtual Coherency Error",
-  /* 15 */ "FP Exception",
-  /* 16 */ "Reserved 16",
-  /* 17 */ "Reserved 17",
-  /* 18 */ "Reserved 18",
-  /* 19 */ "Reserved 19",
-  /* 20 */ "Reserved 20",
-  /* 21 */ "Reserved 21",
-  /* 22 */ "Reserved 22",
-  /* 23 */ "Watch",
-  /* 24 */ "Reserved 24",
-  /* 25 */ "Reserved 25",
-  /* 26 */ "Reserved 26",
-  /* 27 */ "Reserved 27",
-  /* 28 */ "Reserved 28",
-  /* 29 */ "Reserved 29",
-  /* 30 */ "Reserved 30",
-  /* 31 */ "Data Virtual Coherency Error"
-};
-
-
-/**
- * exception handle table
- */
-exception_func_t sys_exception_handlers[32];
-
-static void mod_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("tlb modification exception\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-static void tlbl_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("tlb exception: load\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-static void tlbs_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("tlb exception: store\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-static void adel_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("address error exception: load\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-    rt_kprintf("current thread: %.*s\n", RT_NAME_MAX, rt_thread_self()->name);
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-static void ades_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("address error exception: store\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-static void fpe_handler(mips_reg_ctx *regs)
-{
-    rt_kprintf("floating point exception\n");
-    rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_kprintf("                 cause: 0x%08x\n", read_c0_cause());
-
-    list_thread();
-
-    printf("-----------------------------------------------------\n");
-    printf("BACKTRACE:\n");
-    backtrace();
-    printf("-----------------------------------------------------\n");
-
-    rt_hw_cpu_shutdown();
-}
-
-
-static void unhandled_exception_handle(mips_reg_ctx *regs)
-{
-	int i;
-	unsigned int cause = read_c0_cause();
-	unsigned int exc = (cause >> 2) & 0x1f;
-
-	rt_kprintf("exception happens, epc: 0x%08x\n", regs->CP0EPC);
-	rt_kprintf("                 cause: 0x%08x\n", regs->CP0Cause);
-
-	for (i = 0; i < 32; i++)
-	{
-		if (i % 4 == 0)
-			printf("\n");
-		printf("%8s %08x ", regstr[i], regs->regs[i]);
-	}
-	printf("\n");
-
-	list_thread();
-	rt_hw_cpu_shutdown();
-}
-
-static void install_default_exception_handler(void)
-{
-    int i;
-
-    for (i=0; i<sizeof(sys_exception_handlers)/sizeof(sys_exception_handlers[0]); i++)
-        sys_exception_handlers[i] = (exception_func_t)unhandled_exception_handle;
-
-    sys_exception_handlers[EX_MOD]  = mod_handler;
-    sys_exception_handlers[EX_TLBL] = tlbl_handler;
-    sys_exception_handlers[EX_TLBS] = tlbs_handler;
-    sys_exception_handlers[EX_ADEL] = adel_handler;
-    sys_exception_handlers[EX_ADES] = ades_handler;
-    sys_exception_handlers[EX_FPE]  = fpe_handler;
-}
-
-int rt_hw_exception_init(void)
-{
-    /* install the default exception handler */
-    install_default_exception_handler();
-
-    return RT_EOK;
-}
-
-/**
- * setup the exception handle
- */
-exception_func_t rt_set_except_vector(int n, exception_func_t func)
-{
-    exception_func_t old_handler = sys_exception_handlers[n];
-
-    if ((n == 0) || (n > 32) || (!func))
-    {
-        return 0;
-    }
-
-    sys_exception_handlers[n] = func;
-
-    return old_handler;
-}
-
-void mips_exception_handler(mips_reg_ctx *ctx)
-{
-	static int read_epc_count = 0;
-	static int epc_save = 0;
-	int 	i;
-	unsigned int epc;
-
-	//��� read_epc_count>0 ˵�� c_except_handler �ڶ� epc ʱ�����ˣ����� epc ������һ���µ��쳣
-	if (read_epc_count > 0)
-	{
-		printf("ERROR: read epc fail when except handle\n");
-		epc = epc_save;
-		read_epc_count = 0;
-	}
-	else
-	{
-		read_epc_count++;
-		epc_save 	= 0;
-		epc 		= read_c0_epc();
-		epc_save 	= epc;
-
-		if (epc != 0)
-		{
-			printf("-----------------------------------------------------\n");
-			for (i = 0; i < 4; i++)
-			{
-				printf("%08x:\t%08x\n",
-				       (epc - 4 * 4 + i * 4),
-				       *(unsigned int *) ((epc - 4 * 4 + i * 4) | 0xa0000000));
-			}
-			for (i = 0; i < 4; i++)
-			{
-				printf("%08x:\t%08x\n",
-				       (epc + i * 4),
-				       *(unsigned int *) ((epc + i * 4) | 0xa0000000));
-			}
-			printf("-----------------------------------------------------\n");
-		}
-
-		read_epc_count--;
-	}
-
-	printf("-----------------------------------------------------\n");
-	unsigned int cause = read_c0_cause();
-	unsigned int exc = (cause >> 2) & 0x1f;
-	printf("CAUSE=%08x --> %s\n", cause, cause_strings[exc]);
-	printf("EPC=%08x\n", epc);
-
-	for (i = 0; i < 32; i++)
-	{
-		if ((i != 0) && (i % 4 == 0))
-			printf("\n");
-		printf("%8s %08x ", regstr[i], ctx->regs[i]);
-	}
-	printf("\n-----------------------------------------------------\n");
-	printf("%s: \t %8x\n","CP0Status  ",	ctx->CP0Status);
-	printf("%s: \t %8x\n","CP0DataHI  ",	ctx->CP0DataHI);
-	printf("%s: \t %8x\n","CP0DataLO  ",	ctx->CP0DataLO);
-	printf("%s: \t %8x\n","CP0BadVAddr",	ctx->CP0BadVAddr);
-	printf("%s: \t %8x\n","CP0Cause   ",	ctx->CP0Cause);
-	printf("%s: \t %8x\n","CP0EPC     ",	ctx->CP0EPC);
-	printf("-----------------------------------------------------\n");
-
-#if 0
-	switch (exc)
-	{
-	case EX_MOD:
-	 /*  TLB modified                */
-		break;
-
-    case EX_TLBL:                                                       /*  TLB exc(load or ifetch)     */
-    case EX_TLBS:                                                       /*  TLB exception (store)       */
-
-    	break;
-
-    case EX_ADEL:                                                       /*  Address err(load or ifetch) */
-    case EX_ADES:                                                       /*  Address error (store)       */
-
-    	break;
-
-    case EX_IBE:                                                        /*  Instruction Bus Error       */
-    case EX_DBE:                                                        /*  Data Bus Error              */
-
-    	break;
-
-    case EX_SYS:                                                        /*  Syscall                     */
-
-    	break;
-
-    case EX_BP:                                                         /*  Breakpoint                  */
-    case EX_TR:                                                         /*  Trap instruction            */
-
-    	break;
-    case EX_RI:                                                         /*  Reserved instruction        */
-
-    	break;
-    case EX_FPE:                                                        /*  floating point exception    */
-    	break;
-
-    case EX_CPU:                                                        /*  CoProcessor Unusable        */
-
-    	break;
-    case EX_OV:                                                         /*  OVerflow                    */
-    case EX_C2E:                                                        /*  COP2 exception              */
-    case EX_MDMX:                                                       /*  MDMX exception              */
-    case EX_WATCH:                                                      /*  Watch exception             */
-    case EX_MCHECK:                                                     /*  Machine check exception     */
-    case EX_CacheErr:                                                   /*  Cache error caused re-entry */
-                                                                        /*  to Debug Mode               */
-
-    	break;
-    default:
-    	rt_kprintf("Unknow exception: %d\r\n", exc);
-    	break;
-	}
-#else
-	sys_exception_handlers[exc](ctx);
-#endif
-
-	rt_hw_cpu_shutdown();
-}
-
-
-void mips_cache_error_handler (unsigned int  Addr)
-{
-	rt_kprintf("cache exception happens, epc: 0x%08x\n", read_c0_epc());
-	list_thread();
-	rt_hw_cpu_shutdown();
-}
-
-void mips_tlb_refill_handler(void)
-{
-	rt_kprintf("tlb-miss happens, epc: 0x%08x\n", read_c0_epc());
-	rt_kprintf("                cause: 0x%08x\n", read_c0_cause());
-	list_thread();
-	rt_kprintf("current thread: %s\n", rt_thread_self()->name);
-	rt_hw_cpu_shutdown();
-}
diff --git a/libcpu/mips/x1000/mips_excpt_gcc.S b/libcpu/mips/x1000/mips_excpt_gcc.S
deleted file mode 100644
index bca6fd1956..0000000000
--- a/libcpu/mips/x1000/mips_excpt_gcc.S
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016-09-07     Urey         first version
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips.h"
-
-#define _EXC_STKSIZE 	20*1024
-
-;/*********************************************************************************************************
-;  PTE BASE ��ض���
-;*********************************************************************************************************/
-
-#define PTE_BASE_OFFSET                 23
-#define PTE_BASE_SIZE                   9
-#define MIPS32_BADVPN2_SHIFT            2
-
-
-    .section ".text", "ax"
-    .set	noreorder
-
-LEAF(mips_tlb_refill_handlerx)
-    .set    push
-    .set    noat
-    .set    noreorder
-    .set    volatile
-
-    ;/*
-    ; * K1 = CP0_CTXT
-    ; * K0 = K1
-    ; */
-    mfc0    k1 , CP0_CONTEXT                                            ;/*  K1 ���� Context �Ĵ���      */
-    ehb
-    move    k0 , k1                                                     ;/*  K0 ���� Context �Ĵ���      */
-
-    ;/*
-    ; * K1 <<= PTE_BASE_SIZE
-    ; * K1 >>= PTE_BASE_SIZE
-    ; * K1 >>= 4
-    ; * K1 >>= MIPS32_BADVPN2_SHIFT
-    ; * K1 <<= 3
-    ; */
-    sll     k1 , PTE_BASE_SIZE
-    srl     k1 , (PTE_BASE_SIZE + 4 + MIPS32_BADVPN2_SHIFT)             ;/*  K1 Ϊ BAD VPN2              */
-    sll     k1 , (4 - 1)
-
-    ;/*
-    ; * K0 >>= PTE_BASE_OFFSET
-    ; * K0 <<= PTE_BASE_OFFSET
-    ; */
-    srl     k0 , PTE_BASE_OFFSET
-    sll     k0 , PTE_BASE_OFFSET                                        ;/*  K0 Ϊ PTE BASE              */
-
-    ;/*
-    ; * K1 = K1 | K0
-    ; */
-    or      k1 , k1 , k0                                                ;/*  �ϳ�                        */
-
-    ;/*
-    ; * K0 = *K1
-    ; * K1 = *(K1 + 4)
-    ; */
-    lw      k0 , 0(k1)
-    lw      k1 , 4(k1)
-
-    ;/*
-    ; * CP0_TLBLO0 = K0
-    ; * CP0_TLBLO1 = K1
-    ; */
-    mtc0    k0 , CP0_ENTRYLO0                                             ;/*  EntryLo0                    */
-    mtc0    k1 , CP0_ENTRYLO1                                             ;/*  EntryLo1                    */
-    ehb
-
-    tlbwr                                                               ;/*  TLB ����滻                */
-
-    eret                                                                ;/*  �쳣����                    */
-
-    .set    pop
-END(mips_tlb_refill_handlerx)
diff --git a/libcpu/mips/x1000/mips_fp_gcc.S b/libcpu/mips/x1000/mips_fp_gcc.S
deleted file mode 100644
index 303519afe4..0000000000
--- a/libcpu/mips/x1000/mips_fp_gcc.S
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016-09-09     Urey         first version
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#ifdef __mips_hard_float
-
-.module hardfloat
-.module doublefloat
-.set nomips16
-
-#include "../common/mips.h"
-#undef fp
-
-	.global mips_vfp32_init
-LEAF(mips_vfp32_init)
-    mfc0 	t0, CP0_STATUS
-    or      t0 , M_StatusCU1
-    mtc0 	t0, CP0_STATUS
-    jr      ra
-    nop
-END(mips_vfp32_init)
-
-#
-# FUNCTION:	_fpctx_save
-#
-# DESCRIPTION:	save floating point registers to memory starting at a0
-#
-# RETURNS:	int
-#			0:	No context saved
-#			CTX_*:	Type of context stored
-#
-	.global _fpctx_save
-LEAF(_fpctx_save)
-	sw 		zero, LINKCTX_NEXT(a0)
-	mfc0	t0, CP0_STATUS
-	li		t1, M_StatusCU1
-	and		t1, t0, t1
-	bnez	t1, 1f
-	# FP not enabled, bail out
-	move	v0, zero
-	jr		ra
-
-1:	# Save FP32 base
-	li		t1, ST0_FR
-	and		t0, t0, t1
-	cfc1	t2, $31
-	sw		t2, FP32CTX_CSR(a0)
-	sdc1	$f0, FP32CTX_0(a0)
-	sdc1	$f2, FP32CTX_2(a0)
-	sdc1	$f4, FP32CTX_4(a0)
-	sdc1	$f6, FP32CTX_6(a0)
-	sdc1	$f8, FP32CTX_8(a0)
-	sdc1	$f10, FP32CTX_10(a0)
-	sdc1	$f12, FP32CTX_12(a0)
-	sdc1	$f14, FP32CTX_14(a0)
-	sdc1	$f16, FP32CTX_16(a0)
-	sdc1	$f18, FP32CTX_18(a0)
-	sdc1	$f20, FP32CTX_20(a0)
-	sdc1	$f22, FP32CTX_22(a0)
-	sdc1	$f24, FP32CTX_24(a0)
-	sdc1	$f26, FP32CTX_26(a0)
-	sdc1	$f28, FP32CTX_28(a0)
-	sdc1	$f30, FP32CTX_30(a0)
-	bnez	t0, 2f
-	li		v0, LINKCTX_TYPE_FP32
-	sw		v0, LINKCTX_ID(a0)
-	jr		ra
-
-2:	# Save FP64 extra
-.set	push
-.set	fp=64
-	sdc1	$f1, FP64CTX_1(a0)
-	sdc1	$f3, FP64CTX_3(a0)
-	sdc1	$f5, FP64CTX_5(a0)
-	sdc1	$f7, FP64CTX_7(a0)
-	sdc1	$f9, FP64CTX_9(a0)
-	sdc1	$f11, FP64CTX_11(a0)
-	sdc1	$f13, FP64CTX_13(a0)
-	sdc1	$f15, FP64CTX_15(a0)
-	sdc1	$f17, FP64CTX_17(a0)
-	sdc1	$f19, FP64CTX_19(a0)
-	sdc1	$f21, FP64CTX_21(a0)
-	sdc1	$f23, FP64CTX_23(a0)
-	sdc1	$f25, FP64CTX_25(a0)
-	sdc1	$f27, FP64CTX_27(a0)
-	sdc1	$f29, FP64CTX_29(a0)
-	sdc1	$f31, FP64CTX_31(a0)
-.set	pop
-	li	v0, LINKCTX_TYPE_FP64
-	sw	v0, LINKCTX_ID(a0)
-	jr	ra
-END(_fpctx_save)
-
-#
-# FUNCTION:	_fpctx_load
-#
-# DESCRIPTION:	load floating point registers from context chain starting at a0
-#
-# RETURNS:	int
-#			0:	Unrecognised context
-#			CTX_*:	Type of context restored
-#
-	.global _fpctx_load
-LEAF(_fpctx_load)
-	lw	v0, LINKCTX_ID(a0)
-	# Detect type
-	li	t0, LINKCTX_TYPE_FP64
-	li	t1, LINKCTX_TYPE_FP32
-	li	t2, M_StatusCU1
-	beq	v0, t0, 0f
-	beq	v0, t1, 1f
-	# Don't recognise this context, fail
-	move	v0, zero
-	jr	ra
-
-0: 	# FP64 context
-	# Enable CU1
-	di	t3
-	ehb
-	or	t3, t3, t2
-	mtc0	t3, CP0_STATUS
-	ehb
-	# Load FP64 extra
-.set	push
-.set	fp=64
-	ldc1	$f1, FP64CTX_1(a0)
-	ldc1	$f3, FP64CTX_3(a0)
-	ldc1	$f5, FP64CTX_5(a0)
-	ldc1	$f7, FP64CTX_7(a0)
-	ldc1	$f9, FP64CTX_9(a0)
-	ldc1	$f11, FP64CTX_11(a0)
-	ldc1	$f13, FP64CTX_13(a0)
-	ldc1	$f15, FP64CTX_15(a0)
-	ldc1	$f17, FP64CTX_17(a0)
-	ldc1	$f19, FP64CTX_19(a0)
-	ldc1	$f21, FP64CTX_21(a0)
-	ldc1	$f23, FP64CTX_23(a0)
-	ldc1	$f25, FP64CTX_25(a0)
-	ldc1	$f27, FP64CTX_27(a0)
-	ldc1	$f29, FP64CTX_29(a0)
-	ldc1	$f31, FP64CTX_31(a0)
-.set	pop
-1: 	# FP32 context
-	# Enable CU1
-	di	t3
-	ehb
-	or	t3, t3, t2
-	mtc0	t3, CP0_STATUS
-	ehb
-	# Load FP32 base
-	lw	t1, FP32CTX_CSR(a0)
-	ctc1	t1, $31
-	ldc1	$f0, FP32CTX_0(a0)
-	ldc1	$f2, FP32CTX_2(a0)
-	ldc1	$f4, FP32CTX_4(a0)
-	ldc1	$f6, FP32CTX_6(a0)
-	ldc1	$f8, FP32CTX_8(a0)
-	ldc1	$f10, FP32CTX_10(a0)
-	ldc1	$f12, FP32CTX_12(a0)
-	ldc1	$f14, FP32CTX_14(a0)
-	ldc1	$f16, FP32CTX_16(a0)
-	ldc1	$f18, FP32CTX_18(a0)
-	ldc1	$f20, FP32CTX_20(a0)
-	ldc1	$f22, FP32CTX_22(a0)
-	ldc1	$f24, FP32CTX_24(a0)
-	ldc1	$f26, FP32CTX_26(a0)
-	ldc1	$f28, FP32CTX_28(a0)
-	ldc1	$f30, FP32CTX_30(a0)
-	# Return CTX_FP32/64
-	jr	ra
-END(_fpctx_load)
-
-#endif
diff --git a/libcpu/mips/x1000/stack.c b/libcpu/mips/x1000/stack.c
deleted file mode 100644
index 0043ea2a21..0000000000
--- a/libcpu/mips/x1000/stack.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * File      : stack.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016��9��8��     Urey         the first version
- */
-
-#include <rtthread.h>
-
-#include "../common/mips.h"
-
-register U32 $GP __asm__ ("$28");
-
-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_addr, void *texit)
-{
-    static rt_uint32_t wSR=0;
-    static rt_uint32_t wGP;
-
-	mips_reg_ctx	*regCtx;
-	mips_arg_ctx	*argCtx;
-	rt_uint32_t i;
-
-	if (wSR == 0)
-	{
-		wSR = read_c0_status();
-		wSR &= 0xfffffffe;
-		wSR |= 0x0403;
-
-		wGP = $GP;
-	}
-
-	if ((rt_uint32_t) stack_addr & 0x7)
-	{
-		stack_addr = (rt_uint8_t *)((rt_uint32_t)stack_addr - 4);
-	}
-
-	argCtx = (mips_arg_ctx *)((rt_uint32_t)stack_addr - sizeof(mips_arg_ctx));
-	regCtx = (mips_reg_ctx *)((rt_uint32_t)stack_addr - sizeof(mips_arg_ctx) - sizeof(mips_reg_ctx));
-
-	for (i = 0; i < 4; ++i)
-	{
-		argCtx->args[i] = i;
-	}
-
-	//����ͨ�üĴ���
-	for (i = 0; i < 32; ++i)
-	{
-		regCtx->regs[i] = i;
-	}
-
-	regCtx->regs[REG_SP] = (rt_uint32_t)stack_addr;
-	regCtx->regs[REG_A0] = (rt_uint32_t)parameter;
-	regCtx->regs[REG_GP] = (rt_uint32_t)wGP;
-	regCtx->regs[REG_FP] = (rt_uint32_t)0x0;
-	regCtx->regs[REG_RA] = (rt_uint32_t)texit;
-
-    regCtx->CP0DataLO	= 0x00;
-    regCtx->CP0DataHI	= 0x00;
-    regCtx->CP0Cause	= read_c0_cause();
-    regCtx->CP0Status	= wSR;
-    regCtx->CP0EPC		= (rt_uint32_t)tentry;
-    regCtx->CP0BadVAddr= 0x00;
-
-	return (rt_uint8_t *)(regCtx);
-}
diff --git a/libcpu/mips/x1000/startup_gcc.S b/libcpu/mips/x1000/startup_gcc.S
deleted file mode 100644
index c5112614fc..0000000000
--- a/libcpu/mips/x1000/startup_gcc.S
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2016-09-07     Urey         first version
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips.h"
-
-#define IRQ_STACK_SIZE		0x2000
-#define EXC_STACK_SIZE		0x2000
-
-
-	.section ".bss"
-    ALIGN(4)
-irq_stack_low:
-	.space IRQ_STACK_SIZE
-irq_stack_top:
-	.space 8
-
-	    ALIGN(4)
-exc_stack_low:
-	.space EXC_STACK_SIZE
-exc_stack_top:
-	.space 8
-
-#define SYSTEM_STACK		0x80003fe8
-
-;/*********************************************************************************************************
-;  ���
-;*********************************************************************************************************/
-	.global	rtthread_startup
-	.global 	mips_vfp32_init
-
-	.global	_start
-    .section ".start", "ax"
-    .set noreorder
-_start:
-    .set    noreorder
-    la      ra, _start
-
-    li      t1, 0x00800000
-    mtc0    t1, CP0_CAUSE
-
-    /* init cp0 registers. */
-    li      t0, 0x1000FC00 /* BEV = 0 and mask all interrupt */
-    mtc0    t0, CP0_STATUS
-
-#ifdef __mips_hard_float
-	jal 	mips_vfp32_init
-	nop
-#endif
-
-    /* setup stack pointer */
-    li      sp, SYSTEM_STACK
-    la      gp, _gp
-
-_cache_init:
-    /* init caches, assumes a 4way * 128set * 32byte I/D cache */
-    mtc0    zero, CP0_TAGLO  /* TAGLO reg */
-    mtc0    zero, CP0_TAGHI  /* TAGHI reg */
-    li      t0, 3            /* enable cache for kseg0 accesses */
-    mtc0    t0, CP0_CONFIG   /* CONFIG reg */
-    la      t0, 0x80000000   /* an idx op should use an unmappable address */
-    ori     t1, t0, 0x4000   /* 16kB cache */
-
-_cache_loop:
-    cache   0x8, 0(t0)       /* index store icache tag */
-    cache   0x9, 0(t0)       /* index store dcache tag */
-    bne     t0, t1, _cache_loop
-    addiu   t0, t0, 0x20     /* 32 bytes per cache line */
-    nop
-
-    /* invalidate BTB */
-    mfc0    t0, CP0_CONFIG
-    nop
-    ori     t0, 2
-    mtc0    t0, CP0_CONFIG
-    nop
-
-
-    /* jump to RT-Thread RTOS */
-    jal     rtthread_startup
-    nop
-
-    /* restart, never die */
-    j       _start
-    nop
-    .set    reorder
-
-
-;/*********************************************************************************************************
-;  �쳣������
-;*********************************************************************************************************/
-    /* 0x0 - TLB refill handler */
-    .section .vectors.1, "ax", %progbits
-    j       mips_tlb_refill_entry
-    nop
-
-    /* 0x100 - Cache error handler */
-    .section .vectors.2, "ax", %progbits
-    j       mips_cache_error_entry
-    nop
-
-    /* 0x180 - Exception/Interrupt handler */
-    .section .vectors.3, "ax", %progbits
-    j       mips_exception_entry
-    nop
-
-    /* 0x200 - Special Exception Interrupt handler (when IV is set in CP0_CAUSE) */
-    .section .vectors.4, "ax", %progbits
-    j       mips_interrupt_entry
-    nop
-    .section .vectors, "ax", %progbits
-
-	.global	mips_exception_handler
-//	.global	mips_syscall
-LEAF(mips_exception_entry)
-    .set    push
-    .set    noat
-    .set    noreorder
-    .set    volatile
-
-	mfc0	k0, C0_CAUSE
-	andi	k0, k0, 0x7c
-	beq		zero, k0, except_do_intr
-	nop
-
-	andi	k0,(0x08 << 2)
-	beq		zero,k0,except_do
-	nop
-except_do_intr:
-	la		k0,mips_interrupt_entry
-	jr		k0
-	nop
-except_do_syscall:
-//	la		k0,mips_syscall
-//	jr		k0
-	nop
-except_do:
-	//save sp
-	move	k0,sp
-	//la		sp,	exc_stack_top
-	subu 	sp, sp, CONTEXT_SIZE
-	//save context
-	sw	$0, (4*0)(sp);
-	sw	$1, (4*1)(sp);
-	sw	$2, (4*2)(sp);
-	sw	$3, (4*3)(sp);
-	sw	$4, (4*4)(sp);
-	sw	$5, (4*5)(sp);
-	sw	$6, (4*6)(sp);
-	sw	$7, (4*7)(sp);
-	sw	$8, (4*8)(sp);
-	sw	$9, (4*9)(sp);
-	sw	$10, (4*10)(sp);
-	sw	$11, (4*11)(sp);
-	sw	$12, (4*12)(sp);
-	sw	$13, (4*13)(sp);
-	sw	$14, (4*14)(sp);
-	sw	$15, (4*15)(sp);
-	sw	$16, (4*16)(sp);
-	sw	$17, (4*17)(sp);
-	sw	$18, (4*18)(sp);
-	sw	$19, (4*19)(sp);
-	sw	$20, (4*20)(sp);
-	sw	$21, (4*21)(sp);
-	sw	$22, (4*22)(sp);
-	sw	$23, (4*23)(sp);
-	sw	$24, (4*24)(sp);
-	sw	$25, (4*25)(sp);
-	sw	$26, (4*26)(sp);
-	sw	$27, (4*27)(sp);
-	sw	$28, (4*28)(sp);
-	sw	k0,  (4*29)(sp);	//old sp
-	sw	$30, (4*30)(sp);
-	sw	$31, (4*31)(sp);
-
-	/* STATUS CAUSE EPC.... */
-	mfc0	$2, CP0_STATUS
-	sw		$2, STK_OFFSET_SR(sp)
-
-	mfc0	$2, CP0_CAUSE
-	sw		$2, STK_OFFSET_CAUSE(sp)
-
-	mfc0	$2, CP0_BADVADDR
-	sw		$2, STK_OFFSET_BADVADDR(sp)
-
-	MFC0	$2, CP0_EPC
-	sw		$2, STK_OFFSET_EPC(sp)
-
-	mfhi	$2
-	sw		$2, STK_OFFSET_HI(sp)
-
-	mflo	$2
-	sw		$2, STK_OFFSET_LO(sp)
-
-	move	a0, sp
-	la		k0,	mips_exception_handler
-	j		k0
-	nop
-
-	//
-
-	.set	pop
-END(mips_exception_entry)
-
-	.global	mips_tlb_refill_handler
-LEAF(mips_tlb_refill_entry)
-    .set    push
-    .set    noat
-    .set    noreorder
-    .set    volatile
-
-	la		k0,mips_tlb_refill_handler
-	jr		k0
-
-	nop
-    eret
-	nop
-
-	.set	pop
-END(mips_tlb_refill_entry)
-
-	.global	mips_cache_error_handler
-LEAF(mips_cache_error_entry)
-    .set    push
-    .set    noat
-    .set    noreorder
-    .set    volatile
-
-	la		k0,mips_cache_error_handler
-	jr		k0
-    nop
-    eret
-	nop
-
-	.set	pop
-END(mips_cache_error_entry)
-
-
-
-.global	rt_interrupt_dispatch
-.global	rt_interrupt_enter
-.global	rt_interrupt_leave
-LEAF(mips_interrupt_entry)
-    .set    push
-    .set    noat
-    .set    noreorder
-    .set    volatile
-
-    //mfc0	k0,CP0_EPC
-    SAVE_CONTEXT
-
-    mfc0    t0, CP0_CAUSE
-    mfc0    t1, CP0_STATUS
-    and     t0, t1
-
-    andi    t0, 0xff00
-    beqz    t0, spurious_interrupt
-    nop
-
-	/* let k0 keep the current context sp */
-	move 	k0, sp
-
-	/* switch to kernel stack */
-	la 		sp, irq_stack_top
-	jal 	rt_interrupt_enter
-	nop
-    jal     rt_interrupt_dispatch
-    nop
-    jal     rt_interrupt_leave
-    nop
-
-    /* switch sp back to thread's context */
-    move    sp, k0
-
-    /*
-     * if rt_thread_switch_interrupt_flag set, jump to
-     * rt_hw_context_switch_interrupt_do and don't return
-     */
-    la      k0, rt_thread_switch_interrupt_flag
-    lw      k1, 0(k0)
-    beqz    k1, spurious_interrupt
-    nop
-    sw      zero, 0(k0)                     /* clear flag */
-    nop
-
-    /*
-     * switch to the new thread
-     */
-    la      k0, rt_interrupt_from_thread
-    lw      k1, 0(k0)
-    nop
-    sw      sp, 0(k1)                       /* store sp in preempted tasks's TCB */
-
-    la      k0, rt_interrupt_to_thread
-    lw      k1, 0(k0)
-    nop
-    lw      sp, 0(k1)                       /* get new task's stack pointer */
-    j       spurious_interrupt
-    nop
-spurious_interrupt:
-    RESTORE_CONTEXT
-
-	.set	pop
-END(mips_interrupt_entry)
diff --git a/libcpu/mips/x1000/x1000.h b/libcpu/mips/x1000/x1000.h
deleted file mode 100644
index aa18297395..0000000000
--- a/libcpu/mips/x1000/x1000.h
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * File      : x1000.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2015-11-19     Urey         the first version
- */
-
-#ifndef __X1000_H__
-#define __X1000_H__
-
-#include "../common/mips.h"
-
-#ifndef __ASSEMBLY__
-
-#define cache_unroll(base,op)               \
-    __asm__ __volatile__("                  \
-        .set noreorder;                     \
-        .set mips3;                         \
-        cache %1, (%0);                     \
-        .set mips0;                         \
-        .set reorder"                       \
-        :                                   \
-        : "r" (base),                       \
-          "i" (op));
-
-/* cpu pipeline flush */
-static inline void jz_sync(void)
-{
-    __asm__ volatile ("sync");
-}
-
-static inline void writeb(u8 value, u32 address)
-{
-    *((volatile u8 *) address) = value;
-}
-static inline void writew( u16 value, u32 address)
-{
-    *((volatile u16 *) address) = value;
-}
-static inline void writel(u32 value, u32 address)
-{
-    *((volatile u32 *) address) = value;
-}
-
-static inline u8 readb(u32 address)
-{
-    return *((volatile u8 *)address);
-}
-
-static inline u16 readw(u32 address)
-{
-    return *((volatile u16 *)address);
-}
-
-static inline u32 readl(u32 address)
-{
-    return *((volatile u32 *)address);
-}
-
-static inline void jz_writeb(u32 address, u8 value)
-{
-    *((volatile u8 *)address) = value;
-}
-
-static inline void jz_writew(u32 address, u16 value)
-{
-    *((volatile u16 *)address) = value;
-}
-
-static inline void jz_writel(u32 address, u32 value)
-{
-    *((volatile u32 *)address) = value;
-}
-
-static inline u8 jz_readb(u32 address)
-{
-    return *((volatile u8 *)address);
-}
-
-static inline u16 jz_readw(u32 address)
-{
-    return *((volatile u16 *)address);
-}
-
-static inline u32 jz_readl(u32 address)
-{
-    return *((volatile u32 *)address);
-}
-
-#define BIT(n)          (0x01u << (n))
-#define BIT0            (0x01u <<  0)
-#define BIT1            (0x01u <<  1)
-#define BIT2            (0x01u <<  2)
-#define BIT3            (0x01u <<  3)
-#define BIT4            (0x01u <<  4)
-#define BIT5            (0x01u <<  5)
-#define BIT6            (0x01u <<  6)
-#define BIT7            (0x01u <<  7)
-#define BIT8            (0x01u <<  8)
-#define BIT9            (0x01u <<  9)
-#define BIT10           (0x01u << 10)
-#define BIT11           (0x01u << 11)
-#define BIT12           (0x01u << 12)
-#define BIT13           (0x01u << 13)
-#define BIT14           (0x01u << 14)
-#define BIT15           (0x01u << 15)
-#define BIT16           (0x01u << 16)
-#define BIT17           (0x01u << 17)
-#define BIT18           (0x01u << 18)
-#define BIT19           (0x01u << 19)
-#define BIT20           (0x01u << 20)
-#define BIT21           (0x01u << 21)
-#define BIT22           (0x01u << 22)
-#define BIT23           (0x01u << 23)
-#define BIT24           (0x01u << 24)
-#define BIT25           (0x01u << 25)
-#define BIT26           (0x01u << 26)
-#define BIT27           (0x01u << 27)
-#define BIT28           (0x01u << 28)
-#define BIT29           (0x01u << 29)
-#define BIT30           (0x01u << 30)
-#define BIT31           (0x01u << 31)
-
-/* Generate the bit field mask from msb to lsb */
-#define BITS_H2L(msb, lsb)  ((0xFFFFFFFF >> (32-((msb)-(lsb)+1))) << (lsb))
-
-
-/* Get the bit field value from the data which is read from the register */
-#define get_bf_value(data, lsb, mask)  (((data) & (mask)) >> (lsb))
-
-#endif /* !ASSEMBLY */
-
-
-//----------------------------------------------------------------------
-// Register Definitions
-//
-/* AHB0 BUS Devices Base */
-#define HARB0_BASE  0xB3000000
-#define EMC_BASE    0xB3010000
-#define DDRC_BASE   0xB3020000
-#define MDMAC_BASE  0xB3030000
-#define LCD_BASE    0xB3050000
-#define TVE_BASE    0xB3050000
-#define SLCD_BASE   0xB3050000
-#define CIM_BASE    0xB3060000
-#define IPU_BASE    0xB3080000
-/* AHB1 BUS Devices Base */
-#define HARB1_BASE  0xB3200000
-#define DMAGP0_BASE 0xB3210000
-#define DMAGP1_BASE 0xB3220000
-#define DMAGP2_BASE 0xB3230000
-#define MC_BASE     0xB3250000
-#define ME_BASE     0xB3260000
-#define DEBLK_BASE  0xB3270000
-#define IDCT_BASE   0xB3280000
-#define CABAC_BASE  0xB3290000
-#define TCSM0_BASE  0xB32B0000
-#define TCSM1_BASE  0xB32C0000
-#define SRAM_BASE   0xB32D0000
-/* AHB2 BUS Devices Base */
-#define HARB2_BASE  0xB3400000
-#define NEMC_BASE   0xB3410000
-#define DMAC_BASE   0xB3420000
-#define UHC_BASE    0xB3430000
-//#define UDC_BASE    0xB3440000
-#define SFC_BASE	 0xB3440000
-#define GPS_BASE    0xB3480000
-#define ETHC_BASE   0xB34B0000
-#define BCH_BASE    0xB34D0000
-#define MSC0_BASE   0xB3450000
-#define MSC1_BASE   0xB3460000
-#define MSC2_BASE   0xB3470000
-#define OTG_BASE    0xb3500000
-
-/* APB BUS Devices Base */
-#define CPM_BASE    0xB0000000
-#define INTC_BASE   0xB0001000
-#define TCU_BASE    0xB0002000
-#define WDT_BASE    0xB0002000
-#define OST_BASE    0xB2000000      /* OS Timer */
-#define RTC_BASE    0xB0003000
-#define GPIO_BASE   0xB0010000
-#define AIC_BASE    0xB0020000
-#define DMIC_BASE   0xB0021000
-#define ICDC_BASE   0xB0020000
-#define UART0_BASE  0xB0030000
-#define UART1_BASE  0xB0031000
-#define UART2_BASE  0xB0032000
-#define SCC_BASE    0xB0040000
-#define SSI0_BASE   0xB0043000
-#define SSI1_BASE   0xB0044000
-#define SSI2_BASE   0xB0045000
-#define I2C0_BASE   0xB0050000
-#define I2C1_BASE   0xB0051000
-#define I2C2_BASE   0xB0052000
-#define PS2_BASE    0xB0060000
-#define SADC_BASE   0xB0070000
-#define OWI_BASE    0xB0072000
-#define TSSI_BASE   0xB0073000
-
-/* NAND CHIP Base Address*/
-#define NEMC_CS1_IOBASE 0Xbb000000
-#define NEMC_CS2_IOBASE 0Xba000000
-#define NEMC_CS3_IOBASE 0Xb9000000
-#define NEMC_CS4_IOBASE 0Xb8000000
-#define NEMC_CS5_IOBASE 0Xb7000000
-#define NEMC_CS6_IOBASE 0Xb6000000
-
-/*********************************************************************************************************
-**   WDT
-*********************************************************************************************************/
-#define WDT_TDR         (0x00)
-#define WDT_TCER        (0x04)
-#define WDT_TCNT        (0x08)
-#define WDT_TCSR        (0x0C)
-
-#define REG_WDT_TDR     REG16(WDT_BASE + WDT_TDR)
-#define REG_WDT_TCER    REG8(WDT_BASE + WDT_TCER)
-#define REG_WDT_TCNT    REG16(WDT_BASE + WDT_TCNT)
-#define REG_WDT_TCSR    REG16(WDT_BASE + WDT_TCSR)
-
-#define WDT_TSCR_WDTSC          (1 << 16)
-
-#define WDT_TCSR_PRESCALE_1         (0 << 3)
-#define WDT_TCSR_PRESCALE_4         (1 << 3)
-#define WDT_TCSR_PRESCALE_16        (2 << 3)
-#define WDT_TCSR_PRESCALE_64        (3 << 3)
-#define WDT_TCSR_PRESCALE_256       (4 << 3)
-#define WDT_TCSR_PRESCALE_1024      (5 << 3)
-
-#define WDT_TCSR_EXT_EN         (1 << 2)
-#define WDT_TCSR_RTC_EN         (1 << 1)
-#define WDT_TCSR_PCK_EN         (1 << 0)
-
-#define WDT_TCER_TCEN           (1 << 0)
-
-/* RTC Reg */
-#define RTC_RTCCR		(0x00)	/* rw, 32, 0x00000081 */
-#define RTC_RTCSR		(0x04)	/* rw, 32, 0x???????? */
-#define RTC_RTCSAR		(0x08)	/* rw, 32, 0x???????? */
-#define RTC_RTCGR		(0x0c)	/* rw, 32, 0x0??????? */
-#define RTC_HCR			(0x20)  /* rw, 32, 0x00000000 */
-#define RTC_HWFCR		(0x24)  /* rw, 32, 0x0000???0 */
-#define RTC_HRCR		(0x28)  /* rw, 32, 0x00000??0 */
-#define RTC_HWCR		(0x2c)  /* rw, 32, 0x00000008 */
-#define RTC_HWRSR		(0x30)  /* rw, 32, 0x00000000 */
-#define RTC_HSPR		(0x34)  /* rw, 32, 0x???????? */
-#define RTC_WENR		(0x3c)  /* rw, 32, 0x00000000 */
-#define RTC_CKPCR		(0x40)  /* rw, 32, 0x00000010 */
-#define RTC_OWIPCR		(0x44)  /* rw, 32, 0x00000010 */
-#define RTC_PWRONCR		(0x48)  /* rw, 32, 0x???????? */
-
-#define RTCCR_WRDY				BIT(7)
-#define WENR_WEN                BIT(31)
-
-#define RECOVERY_SIGNATURE	(0x001a1a)
-#define REBOOT_SIGNATURE	(0x003535)
-#define UNMSAK_SIGNATURE	(0x7c0000)//do not use these bits
-
-
-#include "x1000_cpm.h"
-#include "x1000_intc.h"
-#include "x1000_otg_dwc.h"
-#include "x1000_aic.h"
-#include "x1000_slcdc.h"
-
-#endif /* _JZ_M150_H_ */
diff --git a/libcpu/mips/x1000/x1000_aic.h b/libcpu/mips/x1000/x1000_aic.h
deleted file mode 100644
index ed2c8e6f73..0000000000
--- a/libcpu/mips/x1000/x1000_aic.h
+++ /dev/null
@@ -1,794 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    x1000_aic.h
-  * @author  Urey
-  * @version V1.0.0
-  * @date    2017��2��20��
-  * @brief   TODO
-  ******************************************************************************         
-**/ 
-
-
-#ifndef _X1000_AIC_H_
-#define _X1000_AIC_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define AIC_FR      (AIC_BASE + 0x00)
-#define AIC_CR      (AIC_BASE + 0x04)
-#define AIC_ACCR1   (AIC_BASE + 0x08)
-#define AIC_ACCR2   (AIC_BASE + 0x0c)
-#define AIC_I2SCR   (AIC_BASE + 0x10)
-#define AIC_SR      (AIC_BASE + 0x14)
-#define AIC_ACSR    (AIC_BASE + 0x18)
-#define AIC_I2SSR   (AIC_BASE + 0x1c)
-#define AIC_ACCAR   (AIC_BASE + 0x20)
-#define AIC_ACCDR   (AIC_BASE + 0x24)
-#define AIC_ACSAR   (AIC_BASE + 0x28)
-#define AIC_ACSDR   (AIC_BASE + 0x2c)
-#define AIC_I2SDIV  (AIC_BASE + 0x30)
-#define AIC_DR      (AIC_BASE + 0x34)
-
-#define SPDIF_ENA   (AIC_BASE + 0x80)
-#define SPDIF_CTRL  (AIC_BASE + 0x84)
-#define SPDIF_STATE (AIC_BASE + 0x88)
-#define SPDIF_CFG1  (AIC_BASE + 0x8c)
-#define SPDIF_CFG2  (AIC_BASE + 0x90)
-#define SPDIF_FIFO  (AIC_BASE + 0x94)
-
-#define ICDC_CKCFG  (AIC_BASE + 0xa0)
-#define ICDC_RGADW  (AIC_BASE + 0xa4)
-#define ICDC_RGDATA (AIC_BASE + 0xa8)
-
-
-/* AIC_FR definition */
-#define AIC_FR_RFTH_LSB     24
-#define AIC_FR_RFTH(x)  ( ( (x)/2 - 1 ) << AIC_FR_RFTH_LSB)     // 2, 4, ..., 32
-#define AIC_FR_RFTH_MASK    BITS_H2L(27, AIC_FR_RFTH_LSB)
-
-#define AIC_FR_TFTH_LSB     16
-#define AIC_FR_TFTH(x)      ( ( (x)/2 ) << AIC_FR_TFTH_LSB)     // 2, 4, ..., 32
-#define AIC_FR_TFTH_MASK    BITS_H2L(20, AIC_FR_TFTH_LSB)
-
-/* new@4770 */
-#define AIC_FR_IBCKD        BIT10
-
-/* new@4770 */
-#define AIC_FR_ISYNCD       BIT9
-
-/* new@4770 */
-#define IC_FR_DMODE     BIT8
-
-#define AIC_FR_LSMP     BIT6
-#define AIC_FR_ICDC     BIT5
-#define AIC_FR_AUSEL        BIT4
-#define AIC_FR_RST      BIT3
-#define AIC_FR_BCKD     BIT2
-#define AIC_FR_SYNCD        BIT1
-#define AIC_FR_ENB      BIT0
-
-
-/* AIC_CR definition */
-#define AIC_CR_PACK16       BIT28
-
-#define AIC_CR_CHANNEL_LSB  24
-#define AIC_CR_CHANNEL_MASK BITS_H2L(26, 24)
-#define AIC_CR_CHANNEL_MONO   (0x0 << AIC_CR_CHANNEL_LSB)
-#define AIC_CR_CHANNEL_STEREO (0x1 << AIC_CR_CHANNEL_LSB)
-#define AIC_CR_CHANNEL_4CHNL  (0x3 << AIC_CR_CHANNEL_LSB)
-#define AIC_CR_CHANNEL_6CHNL  (0x5 << AIC_CR_CHANNEL_LSB)
-#define AIC_CR_CHANNEL_8CHNL  (0x7 << AIC_CR_CHANNEL_LSB)
-
-#define AIC_CR_OSS_LSB      19
-#define AIC_CR_OSS_MASK     BITS_H2L(21, AIC_CR_OSS_LSB)
-#define AIC_CR_OSS(n)       (((n) > 18 ? (n)/6 : (n)/9) << AIC_CR_OSS_LSB)  /* n = 8, 16, 18, 20, 24 */
-
-#define AIC_CR_ISS_LSB      16
-#define AIC_CR_ISS_MASK     BITS_H2L(18, AIC_CR_ISS_LSB)
-#define AIC_CR_ISS(n)       (((n) > 18 ? (n)/6 : (n)/9) << AIC_CR_ISS_LSB)  /* n = 8, 16, 18, 20, 24 */
-
-#define AIC_CR_RDMS     BIT15
-#define AIC_CR_TDMS     BIT14
-#define AIC_CR_M2S      BIT11
-#define AIC_CR_ENDSW        BIT10
-#define AIC_CR_AVSTSU       BIT9
-#define AIC_CR_TFLUSH       BIT8
-#define AIC_CR_RFLUSH       BIT7
-#define AIC_CR_EROR     BIT6
-#define AIC_CR_ETUR     BIT5
-#define AIC_CR_ERFS     BIT4
-#define AIC_CR_ETFS     BIT3
-#define AIC_CR_ENLBF        BIT2
-#define AIC_CR_ERPL     BIT1
-#define AIC_CR_EREC     BIT0
-
-/* AIC controller AC-link control register 1(ACCR1) */
-#define AIC_ACCR1_RS_LSB    16
-#define AIC_ACCR1_RS_MASK   BITS_H2L(25, AIC_ACCR1_RS_LSB)
-#define AIC_ACCR1_RS_SLOT(n)    ((1 << ((n) - 3)) << AIC_ACCR1_RS_LSB)  /* n = 3 .. 12 */
-
-#define AIC_ACCR1_XS_LSB    0
-#define AIC_ACCR1_XS_MASK   BITS_H2L(9, AIC_ACCR1_XS_LSB)
-#define AIC_ACCR1_XS_SLOT(n)    ((1 << ((n) - 3)) << AIC_ACCR1_XS_LSB)  /* n = 3 .. 12 */
-
-/* AIC controller AC-link control register 2 (ACCR2) */
-#define AIC_ACCR2_ERSTO     BIT18
-#define AIC_ACCR2_ESADR     BIT17
-#define AIC_ACCR2_ECADT     BIT16
-#define AIC_ACCR2_SO        BIT3
-#define AIC_ACCR2_SR        BIT2
-#define AIC_ACCR2_SS        BIT1
-#define AIC_ACCR2_SA        BIT0
-
-/* AIC controller i2s/msb-justified control register (I2SCR) */
-#define AIC_I2SCR_RFIRST    BIT17
-#define AIC_I2SCR_SWLH      BIT16
-#define AIC_I2SCR_ISTPBK    BIT13
-#define AIC_I2SCR_STPBK     BIT12
-#define AIC_I2SCR_ESCLK     BIT4
-#define AIC_I2SCR_AMSL      BIT0
-
-/* AIC controller FIFO status register (AICSR) */
-#define AIC_SR_RFL_LSB      24
-#define AIC_SR_RFL_MASK     BITS_H2L(29, AIC_SR_RFL_LSB)
-
-#define AIC_SR_TFL_LSB      8
-#define AIC_SR_TFL_MASK     BITS_H2L(13, AIC_SR_TFL_LSB)
-
-#define AIC_SR_ROR      BIT6
-#define AIC_SR_TUR      BIT5
-#define AIC_SR_RFS      BIT4
-#define AIC_SR_TFS      BIT3
-
-/* AIC controller AC-link status register (ACSR) */
-#define AIC_ACSR_SLTERR     BIT21
-#define AIC_ACSR_CRDY       BIT20
-#define AIC_ACSR_CLPM       BIT19
-#define AIC_ACSR_RSTO       BIT18
-#define AIC_ACSR_SADR       BIT17
-#define AIC_ACSR_CADT       BIT16
-
-/* AIC controller I2S/MSB-justified status register (I2SSR) */
-#define AIC_I2SSR_CHBSY     BIT5
-#define AIC_I2SSR_TBSY      BIT4
-#define AIC_I2SSR_RBSY      BIT3
-#define AIC_I2SSR_BSY       BIT2
-
-/* AIC controller AC97 codec command address register (ACCAR) */
-#define AIC_ACCAR_CAR_LSB   0
-#define AIC_ACCAR_CAR_MASK  BITS_H2L(19, AIC_ACCAR_CAR_LSB)
-
-
-/* AIC controller AC97 codec command data register (ACCDR) */
-#define AIC_ACCDR_CDR_LSB   0
-#define AIC_ACCDR_CDR_MASK  BITS_H2L(19, AIC_ACCDR_CDR_LSB)
-
-/* AC97 read and write macro based on ACCAR and ACCDR */
-#define AC97_READ_CMD       BIT19
-#define AC97_WRITE_CMD      (BIT19 & ~BIT19)
-
-#define AC97_INDEX_LSB      12
-#define AC97_INDEX_MASK     BITS_H2L(18, AC97_INDEX_LSB)
-
-#define AC97_DATA_LSB       4
-#define AC97_DATA_MASK      BITS_H2L(19, AC97_DATA_LSB)
-
-/* AIC controller AC97 codec status address register (ACSAR) */
-#define AIC_ACSAR_SAR_LSB   0
-#define AIC_ACSAR_SAR_MASK  BITS_H2L(19, AIC_ACSAR_SAR_LSB)
-
-/* AIC controller AC97 codec status data register (ACSDR) */
-#define AIC_ACSDR_SDR_LSB   0
-#define AIC_ACSDR_SDR_MASK  BITS_H2L(19, AIC_ACSDR_SDR_LSB)
-
-/* AIC controller I2S/MSB-justified clock divider register (I2SDIV) */
-#define AIC_I2SDIV_IDIV_LSB 16
-#define AIC_I2SDIV_IDIV_MASK    BITS_H2L(24, AIC_I2SDIV_IDIV_LSB)
-#define AIC_I2SDIV_DIV_LSB  0
-#define AIC_I2SDIV_DIV_MASK BITS_H2L(8, AIC_I2SDIV_DIV_LSB)
-
-/* SPDIF enable register (SPDIF_ENA) */
-#define SPDIF_ENA_SPEN      BIT0
-
-/* SPDIF control register (SPDIF_CTRL) */
-#define SPDIF_CTRL_DMAEN        BIT15
-#define SPDIF_CTRL_DTYPE        BIT14
-#define SPDIF_CTRL_SIGN         BIT13
-#define SPDIF_CTRL_INVALID      BIT12
-#define SPDIF_CTRL_RST          BIT11
-#define SPDIF_CTRL_SPDIFI2S     BIT10
-#define SPDIF_CTRL_MTRIG        BIT1
-#define SPDIF_CTRL_MFFUR        BIT0
-
-/* SPDIF state register (SPDIF_STAT) */
-#define SPDIF_STAT_BUSY     BIT7
-#define SPDIF_STAT_FTRIG    BIT1
-#define SPDIF_STAT_FUR      BIT0
-
-#define SPDIF_STAT_FLVL_LSB 8
-#define SPDIF_STAT_FLVL_MASK    BITS_H2L(14, SPDIF_STAT_FLVL_LSB)
-
-/* SPDIF configure 1 register (SPDIF_CFG1) */
-#define SPDIF_CFG1_INITLVL  BIT17
-#define SPDIF_CFG1_ZROVLD   BIT16
-
-#define SPDIF_CFG1_TRIG_LSB 12
-#define SPDIF_CFG1_TRIG_MASK    BITS_H2L(13, SPDIF_CFG1_TRIG_LSB)
-#define SPDIF_CFG1_TRIG(n)  (((n) > 16 ? 3 : (n)/8) << SPDIF_CFG1_TRIG_LSB) /* n = 4, 8, 16, 32 */
-
-#define SPDIF_CFG1_SRCNUM_LSB   8
-#define SPDIF_CFG1_SRCNUM_MASK  BITS_H2L(11, SPDIF_CFG1_SRCNUM_LSB)
-
-#define SPDIF_CFG1_CH1NUM_LSB   4
-#define SPDIF_CFG1_CH1NUM_MASK  BITS_H2L(7, SPDIF_CFG1_CH1NUM_LSB)
-
-#define SPDIF_CFG1_CH2NUM_LSB   0
-#define SPDIF_CFG1_CH2NUM_MASK  BITS_H2L(3, SPDIF_CFG1_CH2NUM_LSB)
-
-/* SPDIF configure 2 register (SPDIF_CFG2) */
-#define SPDIF_CFG2_MAXWL    BIT18
-#define SPDIF_CFG2_PRE      BIT3
-#define SPDIF_CFG2_COPYN    BIT2
-#define SPDIF_CFG2_AUDION   BIT1
-#define SPDIF_CFG2_CONPRO   BIT0
-
-#define SPDIF_CFG2_FS_LSB   26
-#define SPDIF_CFG2_FS_MASK  BITS_H2L(29, SPDIF_CFG2_FS_LSB)
-
-#define SPDIF_CFG2_ORGFRQ_LSB   22
-#define SPDIF_CFG2_ORGFRQ_MASK  BITS_H2L(25, SPDIF_CFG2_ORGFRQ_LSB)
-
-#define SPDIF_CFG2_SAMWL_LSB    19
-#define SPDIF_CFG2_SAMWL_MASK   BITS_H2L(21, SPDIF_CFG2_SAMWL_LSB)
-
-#define SPDIF_CFG2_CLKACU_LSB   16
-#define SPDIF_CFG2_CLKACU_MASK  BITS_H2L(17, SPDIF_CFG2_CLKACU_LSB)
-
-#define SPDIF_CFG2_CATCODE_LSB  8
-#define SPDIF_CFG2_CATCODE_MASK BITS_H2L(15, SPDIF_CFG2_CATCODE_LSB)
-
-#define SPDIF_CFG2_CHMD_LSB 6
-#define SPDIF_CFG2_CHMD_MASK    BITS_H2L(7, SPDIF_CFG2_CHMD_LSB)
-
-/* ICDC internal register access control register(RGADW) */
-#define ICDC_RGADW_RGWR     BIT16
-
-#define ICDC_RGADW_RGADDR_LSB   8
-#define ICDC_RGADW_RGADDR_MASK  BITS_H2L(14, ICDC_RGADW_RGADDR_LSB)
-
-#define ICDC_RGADW_RGDIN_LSB    0
-#define ICDC_RGADW_RGDIN_MASK   BITS_H2L(7, ICDC_RGADW_RGDIN_LSB)
-
-
-/* ICDC internal register data output register (RGDATA)*/
-#define ICDC_RGDATA_IRQ     BIT8
-
-#define ICDC_RGDATA_RGDOUT_LSB  0
-#define ICDC_RGDATA_RGDOUT_MASK BITS_H2L(7, ICDC_RGDATA_RGDOUT_LSB)
-
-
-#ifndef __MIPS_ASSEMBLER
-
-
-#define REG_AIC_FR      REG32(AIC_FR)
-#define REG_AIC0_FR     REG32(AIC0_FR)
-#define REG_AIC_CR      REG32(AIC_CR)
-#define REG_AIC_ACCR1       REG32(AIC_ACCR1)
-#define REG_AIC_ACCR2       REG32(AIC_ACCR2)
-#define REG_AIC_I2SCR       REG32(AIC_I2SCR)
-#define REG_AIC_SR      REG32(AIC_SR)
-#define REG_AIC_ACSR        REG32(AIC_ACSR)
-#define REG_AIC_I2SSR       REG32(AIC_I2SSR)
-#define REG_AIC_ACCAR       REG32(AIC_ACCAR)
-#define REG_AIC_ACCDR       REG32(AIC_ACCDR)
-#define REG_AIC_ACSAR       REG32(AIC_ACSAR)
-#define REG_AIC_ACSDR       REG32(AIC_ACSDR)
-#define REG_AIC_I2SDIV      REG32(AIC_I2SDIV)
-#define REG_AIC_DR      REG32(AIC_DR)
-
-#define REG_SPDIF_ENA       REG32(SPDIF_ENA)
-#define REG_SPDIF_CTRL      REG32(SPDIF_CTRL)
-#define REG_SPDIF_STATE     REG32(SPDIF_STATE)
-#define REG_SPDIF_CFG1      REG32(SPDIF_CFG1)
-#define REG_SPDIF_CFG2      REG32(SPDIF_CFG2)
-#define REG_SPDIF_FIFO      REG32(SPDIF_FIFO)
-
-#define REG_ICDC_RGADW      REG32(ICDC_RGADW)
-#define REG_ICDC_RGDATA     REG32(ICDC_RGDATA)
-
-#if 0
-#define __aic_enable()      ( REG_AIC_FR |= AIC_FR_ENB )
-#define __aic_disable()     ( REG_AIC_FR &= ~AIC_FR_ENB )
-
-#define __aic_select_ac97() ( REG_AIC_FR &= ~AIC_FR_AUSEL )
-#define __aic_select_i2s()  ( REG_AIC_FR |= AIC_FR_AUSEL )
-
-#define __aic_play_zero()   ( REG_AIC_FR &= ~AIC_FR_LSMP )
-#define __aic_play_lastsample() ( REG_AIC_FR |= AIC_FR_LSMP )
-
-#define __i2s_as_master()   ( REG_AIC_FR |= AIC_FR_BCKD | AIC_FR_SYNCD )
-#define __i2s_as_slave()    ( REG_AIC_FR &= ~(AIC_FR_BCKD | AIC_FR_SYNCD) )
-
-#define jz_aic_ibck_in      (CLRREG32(AIC_FR, AIC_FR_IBCKD))
-#define jz_aic_ibck_out     (SETREG32(AIC_FR, AIC_FR_IBCKD))
-
-#define jz_aic_isync_in     (CLRREG32(AIC_FR, AIC_FR_ISYNCD))
-#define jz_aic_isync_out    (SETREG32(AIC_FR, AIC_FR_ISYNCD))
-
-#define jz_aic_enable_dmode (SETREG32(AIC_FR, AIC_FR_DMODE))
-#define jz_aic_disable_dmode    (CLRREG32(AIC_FR, AIC_FR_DMODE))
-
-#define __aic_reset_status()          ( REG_AIC_FR & AIC_FR_RST )
-
-#define __aic_reset()                                   \
-do {                                                    \
-        REG_AIC_FR |= AIC_FR_RST;                       \
-} while(0)
-
-
-#define __aic_set_transmit_trigger(n)           \
-do {                            \
-    REG_AIC_FR &= ~AIC_FR_TFTH_MASK;        \
-    REG_AIC_FR |= ((n) << AIC_FR_TFTH_LSB);     \
-} while(0)
-
-#define __aic_set_receive_trigger(n)            \
-do {                            \
-    REG_AIC_FR &= ~AIC_FR_RFTH_MASK;        \
-    REG_AIC_FR |= ((n) << AIC_FR_RFTH_LSB);     \
-} while(0)
-
-#define __aic_enable_oldstyle()
-#define __aic_enable_newstyle()
-#define __aic_enable_pack16()   ( REG_AIC_CR |= AIC_CR_PACK16 )
-#define __aic_enable_unpack16() ( REG_AIC_CR &= ~AIC_CR_PACK16)
-
-#define jz_aic_set_channel(n)                       \
-    do {                                \
-        switch((n)) {                       \
-        case 1:                         \
-        case 2:                         \
-        case 4:                         \
-        case 6:                         \
-        case 8:                         \
-            CLRREG32(AIC_CR, AIC_CR_CHANNEL_MASK);      \
-            SETREG32(AIC_CR, ((((n) - 1) << 24) & AIC_CR_CHANNEL_MASK)); \
-            break;                      \
-        default:                        \
-            printk("invalid aic channel, must be 1, 2, 4, 6, or 8\n"); \
-            break;                      \
-        }                           \
-    } while(0)
-
-/* n = AIC_CR_CHANNEL_MONO,AIC_CR_CHANNEL_STEREO ... */
-#define __aic_out_channel_select(n)                    \
-do {                                                   \
-    REG_AIC_CR &= ~AIC_CR_CHANNEL_MASK;            \
-        REG_AIC_CR |= ((n) << AIC_CR_CHANNEL_LSB );                \
-} while(0)
-
-#define __aic_enable_record()   ( REG_AIC_CR |= AIC_CR_EREC )
-#define __aic_disable_record()  ( REG_AIC_CR &= ~AIC_CR_EREC )
-#define __aic_enable_replay()   ( REG_AIC_CR |= AIC_CR_ERPL )
-#define __aic_disable_replay()  ( REG_AIC_CR &= ~AIC_CR_ERPL )
-#define __aic_enable_loopback() ( REG_AIC_CR |= AIC_CR_ENLBF )
-#define __aic_disable_loopback() ( REG_AIC_CR &= ~AIC_CR_ENLBF )
-
-#define __aic_flush_tfifo() ( REG_AIC_CR |= AIC_CR_TFLUSH )
-#define __aic_unflush_tfifo()   ( REG_AIC_CR &= ~AIC_CR_TFLUSH )
-#define __aic_flush_rfifo() ( REG_AIC_CR |= AIC_CR_RFLUSH )
-#define __aic_unflush_rfifo()   ( REG_AIC_CR &= ~AIC_CR_RFLUSH )
-
-#define __aic_enable_transmit_intr() \
-  ( REG_AIC_CR |= (AIC_CR_ETFS | AIC_CR_ETUR) )
-#define __aic_disable_transmit_intr() \
-  ( REG_AIC_CR &= ~(AIC_CR_ETFS | AIC_CR_ETUR) )
-#define __aic_enable_receive_intr() \
-  ( REG_AIC_CR |= (AIC_CR_ERFS | AIC_CR_EROR) )
-#define __aic_disable_receive_intr() \
-  ( REG_AIC_CR &= ~(AIC_CR_ERFS | AIC_CR_EROR) )
-
-#define __aic_enable_transmit_dma()  ( REG_AIC_CR |= AIC_CR_TDMS )
-#define __aic_disable_transmit_dma() ( REG_AIC_CR &= ~AIC_CR_TDMS )
-#define __aic_enable_receive_dma()   ( REG_AIC_CR |= AIC_CR_RDMS )
-#define __aic_disable_receive_dma()  ( REG_AIC_CR &= ~AIC_CR_RDMS )
-
-#define __aic_enable_mono2stereo()   ( REG_AIC_CR |= AIC_CR_M2S )
-#define __aic_disable_mono2stereo()  ( REG_AIC_CR &= ~AIC_CR_M2S )
-#define __aic_enable_byteswap()      ( REG_AIC_CR |= AIC_CR_ENDSW )
-#define __aic_disable_byteswap()     ( REG_AIC_CR &= ~AIC_CR_ENDSW )
-#define __aic_enable_unsignadj()     ( REG_AIC_CR |= AIC_CR_AVSTSU )
-#define __aic_disable_unsignadj()    ( REG_AIC_CR &= ~AIC_CR_AVSTSU )
-
-#define AC97_PCM_XS_L_FRONT     AIC_ACCR1_XS_SLOT(3)
-#define AC97_PCM_XS_R_FRONT     AIC_ACCR1_XS_SLOT(4)
-#define AC97_PCM_XS_CENTER      AIC_ACCR1_XS_SLOT(6)
-#define AC97_PCM_XS_L_SURR      AIC_ACCR1_XS_SLOT(7)
-#define AC97_PCM_XS_R_SURR      AIC_ACCR1_XS_SLOT(8)
-#define AC97_PCM_XS_LFE         AIC_ACCR1_XS_SLOT(9)
-
-#define AC97_PCM_RS_L_FRONT     AIC_ACCR1_RS_SLOT(3)
-#define AC97_PCM_RS_R_FRONT     AIC_ACCR1_RS_SLOT(4)
-#define AC97_PCM_RS_CENTER      AIC_ACCR1_RS_SLOT(6)
-#define AC97_PCM_RS_L_SURR      AIC_ACCR1_RS_SLOT(7)
-#define AC97_PCM_RS_R_SURR      AIC_ACCR1_RS_SLOT(8)
-#define AC97_PCM_RS_LFE         AIC_ACCR1_RS_SLOT(9)
-
-#define __ac97_set_xs_none()    ( REG_AIC_ACCR1 &= ~AIC_ACCR1_XS_MASK )
-#define __ac97_set_xs_mono()                        \
-do {                                    \
-    REG_AIC_ACCR1 &= ~AIC_ACCR1_XS_MASK;                \
-    REG_AIC_ACCR1 |= AC97_PCM_XS_R_FRONT;               \
-} while(0)
-#define __ac97_set_xs_stereo()                      \
-do {                                    \
-    REG_AIC_ACCR1 &= ~AIC_ACCR1_XS_MASK;                \
-    REG_AIC_ACCR1 |= AC97_PCM_XS_L_FRONT | AC97_PCM_XS_R_FRONT; \
-} while(0)
-
-/* In fact, only stereo is support now. */
-#define __ac97_set_rs_none()    ( REG_AIC_ACCR1 &= ~AIC_ACCR1_RS_MASK )
-#define __ac97_set_rs_mono()                        \
-do {                                    \
-    REG_AIC_ACCR1 &= ~AIC_ACCR1_RS_MASK;                \
-    REG_AIC_ACCR1 |= AC97_PCM_RS_R_FRONT;               \
-} while(0)
-#define __ac97_set_rs_stereo()                      \
-do {                                    \
-    REG_AIC_ACCR1 &= ~AIC_ACCR1_RS_MASK;                \
-    REG_AIC_ACCR1 |= AC97_PCM_RS_L_FRONT | AC97_PCM_RS_R_FRONT; \
-} while(0)
-
-#define __ac97_warm_reset_codec()       \
- do {                       \
-    REG_AIC_ACCR2 |= AIC_ACCR2_SA;      \
-    REG_AIC_ACCR2 |= AIC_ACCR2_SS;      \
-    udelay(2);              \
-    REG_AIC_ACCR2 &= ~AIC_ACCR2_SS;     \
-    REG_AIC_ACCR2 &= ~AIC_ACCR2_SA;     \
- } while (0)
-
-#define __ac97_cold_reset_codec()       \
- do {                       \
-    REG_AIC_ACCR2 |=  AIC_ACCR2_SR;     \
-    udelay(2);              \
-    REG_AIC_ACCR2 &= ~AIC_ACCR2_SR;     \
- } while (0)
-
-/* n=8,16,18,20 */
-#define __ac97_set_iass(n) \
- ( REG_AIC_ACCR2 = (REG_AIC_ACCR2 & ~AIC_ACCR2_IASS_MASK) | AIC_ACCR2_IASS_##n##BIT )
-#define __ac97_set_oass(n) \
- ( REG_AIC_ACCR2 = (REG_AIC_ACCR2 & ~AIC_ACCR2_OASS_MASK) | AIC_ACCR2_OASS_##n##BIT )
-
-/* This bit should only be set in 2 channels configuration */
-#define __i2s_send_rfirst()   ( REG_AIC_I2SCR |= AIC_I2SCR_RFIRST )  /* RL */
-#define __i2s_send_lfirst()   ( REG_AIC_I2SCR &= ~AIC_I2SCR_RFIRST ) /* LR */
-
-/* This bit should only be set in 2 channels configuration and 16bit-packed mode */
-#define __i2s_switch_lr()     ( REG_AIC_I2SCR |= AIC_I2SCR_SWLH )
-#define __i2s_unswitch_lr()   ( REG_AIC_I2SCR &= ~AIC_I2SCR_SWLH )
-
-#define __i2s_select_i2s()            ( REG_AIC_I2SCR &= ~AIC_I2SCR_AMSL )
-#define __i2s_select_msbjustified()   ( REG_AIC_I2SCR |= AIC_I2SCR_AMSL )
-
-/* n=8,16,18,20,24 */
-/*#define __i2s_set_sample_size(n) \
- ( REG_AIC_I2SCR |= (REG_AIC_I2SCR & ~AIC_I2SCR_WL_MASK) | AIC_I2SCR_WL_##n##BIT )*/
-
-#define __i2s_out_channel_select(n) __aic_out_channel_select(n)
-
-#define __i2s_set_oss_sample_size(n) \
- ( REG_AIC_CR = (REG_AIC_CR & ~AIC_CR_OSS_MASK) | AIC_CR_OSS(n))
-#define __i2s_set_iss_sample_size(n) \
- ( REG_AIC_CR = (REG_AIC_CR & ~AIC_CR_ISS_MASK) | AIC_CR_ISS(n))
-
-#define __i2s_stop_bitclk()   ( REG_AIC_I2SCR |= AIC_I2SCR_STPBK )
-#define __i2s_start_bitclk()  ( REG_AIC_I2SCR &= ~AIC_I2SCR_STPBK )
-
-#define __i2s_stop_ibitclk()   ( REG_AIC_I2SCR |= AIC_I2SCR_ISTPBK )
-#define __i2s_start_ibitclk()  ( REG_AIC_I2SCR &= ~AIC_I2SCR_ISTPBK )
-
-#define __aic_transmit_request()  ( REG_AIC_SR & AIC_SR_TFS )
-#define __aic_receive_request()   ( REG_AIC_SR & AIC_SR_RFS )
-#define __aic_transmit_underrun() ( REG_AIC_SR & AIC_SR_TUR )
-#define __aic_receive_overrun()   ( REG_AIC_SR & AIC_SR_ROR )
-
-#define __aic_clear_errors()      ( REG_AIC_SR &= ~(AIC_SR_TUR | AIC_SR_ROR) )
-
-#define __aic_get_transmit_resident() \
-  ( (REG_AIC_SR & AIC_SR_TFL_MASK) >> AIC_SR_TFL_LSB )
-#define __aic_get_receive_count() \
-  ( (REG_AIC_SR & AIC_SR_RFL_MASK) >> AIC_SR_RFL_LSB )
-
-#define __ac97_command_transmitted()     ( REG_AIC_ACSR & AIC_ACSR_CADT )
-#define __ac97_status_received()         ( REG_AIC_ACSR & AIC_ACSR_SADR )
-#define __ac97_status_receive_timeout()  ( REG_AIC_ACSR & AIC_ACSR_RSTO )
-#define __ac97_codec_is_low_power_mode() ( REG_AIC_ACSR & AIC_ACSR_CLPM )
-#define __ac97_codec_is_ready()          ( REG_AIC_ACSR & AIC_ACSR_CRDY )
-#define __ac97_slot_error_detected()     ( REG_AIC_ACSR & AIC_ACSR_SLTERR )
-#define __ac97_clear_slot_error()        ( REG_AIC_ACSR &= ~AIC_ACSR_SLTERR )
-
-#define __i2s_is_busy()         ( REG_AIC_I2SSR & AIC_I2SSR_BSY )
-
-#define __ac97_out_rcmd_addr(reg)                   \
-do {                                    \
-    REG_AIC_ACCAR = AC97_READ_CMD | ((reg) << AC97_INDEX_LSB);  \
-} while (0)
-
-#define __ac97_out_wcmd_addr(reg)                   \
-do {                                    \
-    REG_AIC_ACCAR = AC97_WRITE_CMD | ((reg) << AC97_INDEX_LSB);     \
-} while (0)
-
-#define __ac97_out_data(value)                      \
-do {                                    \
-    REG_AIC_ACCDR = ((value) << AC97_DATA_LSB);             \
-} while (0)
-
-#define __ac97_in_data() \
- ( (REG_AIC_ACSDR & CODEC_REG_DATA_MASK) >> AC97_DATA_LSB )
-
-#define __ac97_in_status_addr() \
- ( (REG_AIC_ACSAR & AC97_INDEX_MASK) >> AC97_INDEX_LSB )
-
-#define __i2s_set_sample_rate(i2sclk, sync) \
-  ( REG_AIC_I2SDIV = ((i2sclk) / (4*64)) / (sync) )
-
-#define __aic_write_tfifo(v)  ( REG_AIC_DR = (v) )
-#define __aic_read_rfifo()    ( REG_AIC_DR )
-
-#define __aic_internal_codec()  ( REG_AIC_FR |= AIC_FR_ICDC )
-#define __aic_external_codec()  ( REG_AIC_FR &= ~AIC_FR_ICDC )
-#define __aic0_internal_codec()  ( REG_AIC0_FR |= AIC_FR_ICDC )
-#define __aic0_external_codec()  ( REG_AIC0_FR &= ~AIC_FR_ICDC )
-
-//
-// Define next ops for AC97 compatible
-//
-
-#define AC97_ACSR   AIC_ACSR
-
-#define __ac97_enable()     __aic_enable(); __aic_select_ac97()
-#define __ac97_disable()    __aic_disable()
-#define __ac97_reset()      __aic_reset()
-
-#define __ac97_set_transmit_trigger(n)  __aic_set_transmit_trigger(n)
-#define __ac97_set_receive_trigger(n)   __aic_set_receive_trigger(n)
-
-#define __ac97_enable_record()      __aic_enable_record()
-#define __ac97_disable_record()     __aic_disable_record()
-#define __ac97_enable_replay()      __aic_enable_replay()
-#define __ac97_disable_replay()     __aic_disable_replay()
-#define __ac97_enable_loopback()    __aic_enable_loopback()
-#define __ac97_disable_loopback()   __aic_disable_loopback()
-
-#define __ac97_enable_transmit_dma()    __aic_enable_transmit_dma()
-#define __ac97_disable_transmit_dma()   __aic_disable_transmit_dma()
-#define __ac97_enable_receive_dma() __aic_enable_receive_dma()
-#define __ac97_disable_receive_dma()    __aic_disable_receive_dma()
-
-#define __ac97_transmit_request()   __aic_transmit_request()
-#define __ac97_receive_request()    __aic_receive_request()
-#define __ac97_transmit_underrun()  __aic_transmit_underrun()
-#define __ac97_receive_overrun()    __aic_receive_overrun()
-
-#define __ac97_clear_errors()       __aic_clear_errors()
-
-#define __ac97_get_transmit_resident()  __aic_get_transmit_resident()
-#define __ac97_get_receive_count()  __aic_get_receive_count()
-
-#define __ac97_enable_transmit_intr()   __aic_enable_transmit_intr()
-#define __ac97_disable_transmit_intr()  __aic_disable_transmit_intr()
-#define __ac97_enable_receive_intr()    __aic_enable_receive_intr()
-#define __ac97_disable_receive_intr()   __aic_disable_receive_intr()
-
-#define __ac97_write_tfifo(v)       __aic_write_tfifo(v)
-#define __ac97_read_rfifo()     __aic_read_rfifo()
-
-//
-// Define next ops for I2S compatible
-//
-
-#define I2S_ACSR    AIC_I2SSR
-
-#define __i2s_enable()       __aic_enable(); __aic_select_i2s()
-#define __i2s_disable()     __aic_disable()
-#define __i2s_reset()       __aic_reset()
-
-#define __i2s_set_transmit_trigger(n)   __aic_set_transmit_trigger(n)
-#define __i2s_set_receive_trigger(n)    __aic_set_receive_trigger(n)
-
-#define __i2s_enable_record()       __aic_enable_record()
-#define __i2s_disable_record()      __aic_disable_record()
-#define __i2s_enable_replay()       __aic_enable_replay()
-#define __i2s_disable_replay()      __aic_disable_replay()
-#define __i2s_enable_loopback()     __aic_enable_loopback()
-#define __i2s_disable_loopback()    __aic_disable_loopback()
-
-#define __i2s_enable_transmit_dma() __aic_enable_transmit_dma()
-#define __i2s_disable_transmit_dma()    __aic_disable_transmit_dma()
-#define __i2s_enable_receive_dma()  __aic_enable_receive_dma()
-#define __i2s_disable_receive_dma() __aic_disable_receive_dma()
-
-#define __i2s_transmit_request()    __aic_transmit_request()
-#define __i2s_receive_request()     __aic_receive_request()
-#define __i2s_transmit_underrun()   __aic_transmit_underrun()
-#define __i2s_receive_overrun()     __aic_receive_overrun()
-
-#define __i2s_clear_errors()        __aic_clear_errors()
-
-#define __i2s_get_transmit_resident()   __aic_get_transmit_resident()
-#define __i2s_get_receive_count()   __aic_get_receive_count()
-
-#define __i2s_enable_transmit_intr()    __aic_enable_transmit_intr()
-#define __i2s_disable_transmit_intr()   __aic_disable_transmit_intr()
-#define __i2s_enable_receive_intr() __aic_enable_receive_intr()
-#define __i2s_disable_receive_intr()    __aic_disable_receive_intr()
-
-#define __i2s_write_tfifo(v)        __aic_write_tfifo(v)
-#define __i2s_read_rfifo()      __aic_read_rfifo()
-
-#define __i2s_reset_codec()         \
- do {                       \
- } while (0)
-
-
-/*************************************************************************
- * SPDIF INTERFACE in AIC Controller
- *************************************************************************/
-
-#define __spdif_enable()        ( REG_SPDIF_ENA |= SPDIF_ENA_SPEN )
-#define __spdif_disable()       ( REG_SPDIF_ENA &= ~SPDIF_ENA_SPEN )
-
-#define __spdif_enable_transmit_dma()     ( REG_SPDIF_CTRL |= SPDIF_CTRL_DMAEN )
-#define __spdif_disable_transmit_dma()    ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_DMAEN )
-#define __spdif_enable_dtype()            ( REG_SPDIF_CTRL |= SPDIF_CTRL_DTYPE )
-#define __spdif_disable_dtype()           ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_DTYPE )
-#define __spdif_enable_sign()             ( REG_SPDIF_CTRL |= SPDIF_CTRL_SIGN )
-#define __spdif_disable_sign()            ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_SIGN )
-#define __spdif_enable_invalid()          ( REG_SPDIF_CTRL |= SPDIF_CTRL_INVALID )
-#define __spdif_disable_invalid()         ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_INVALID )
-#define __spdif_enable_reset()            ( REG_SPDIF_CTRL |= SPDIF_CTRL_RST )
-#define __spdif_select_spdif()            ( REG_SPDIF_CTRL |= SPDIF_CTRL_SPDIFI2S )
-#define __spdif_select_i2s()              ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_SPDIFI2S )
-#define __spdif_enable_MTRIGmask()        ( REG_SPDIF_CTRL |= SPDIF_CTRL_MTRIG )
-#define __spdif_disable_MTRIGmask()       ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_MTRIG )
-#define __spdif_enable_MFFURmask()        ( REG_SPDIF_CTRL |= SPDIF_CTRL_MFFUR )
-#define __spdif_disable_MFFURmask()       ( REG_SPDIF_CTRL &= ~SPDIF_CTRL_MFFUR )
-
-#define __spdif_enable_initlvl_high()     ( REG_SPDIF_CFG1 |=  SPDIF_CFG1_INITLVL )
-#define __spdif_enable_initlvl_low()      ( REG_SPDIF_CFG1 &=  ~SPDIF_CFG1_INITLVL )
-#define __spdif_enable_zrovld_invald()    ( REG_SPDIF_CFG1 |=  SPDIF_CFG1_ZROVLD )
-#define __spdif_enable_zrovld_vald()      ( REG_SPDIF_CFG1 &=  ~SPDIF_CFG1_ZROVLD )
-
-/* 0, 1, 2, 3 */
-#define __spdif_set_transmit_trigger(n)         \
-do {                            \
-    REG_SPDIF_CFG1 &= ~SPDIF_CFG1_TRIG_MASK;    \
-    REG_SPDIF_CFG1 |= SPDIF_CFG1_TRIG(n);   \
-} while(0)
-
-/* 1 ~ 15 */
-#define __spdif_set_srcnum(n)               \
-do {                            \
-    REG_SPDIF_CFG1 &= ~SPDIF_CFG1_SRCNUM_MASK;  \
-    REG_SPDIF_CFG1 |= ((n) << SPDIF_CFG1_SRCNUM_LSB);   \
-} while(0)
-
-/* 1 ~ 15 */
-#define __spdif_set_ch1num(n)               \
-do {                            \
-    REG_SPDIF_CFG1 &= ~SPDIF_CFG1_CH1NUM_MASK;  \
-    REG_SPDIF_CFG1 |= ((n) << SPDIF_CFG1_CH1NUM_LSB);   \
-} while(0)
-
-/* 1 ~ 15 */
-#define __spdif_set_ch2num(n)               \
-do {                            \
-    REG_SPDIF_CFG1 &= ~SPDIF_CFG1_CH2NUM_MASK;  \
-    REG_SPDIF_CFG1 |= ((n) << SPDIF_CFG1_CH2NUM_LSB);   \
-} while(0)
-
-/* 0x0, 0x2, 0x3, 0xa, 0xe */
-#define __spdif_set_fs(n)               \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_FS_MASK;      \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_FS_LSB);   \
-} while(0)
-
-/* 0xd, 0xc, 0x5, 0x1 */
-#define __spdif_set_orgfrq(n)               \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_ORGFRQ_MASK;      \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_ORGFRQ_LSB);   \
-} while(0)
-
-/* 0x1, 0x6, 0x2, 0x4, 0x5 */
-#define __spdif_set_samwl(n)                \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_SAMWL_MASK;       \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_SAMWL_LSB);    \
-} while(0)
-
-#define __spdif_enable_samwl_24()    ( REG_SPDIF_CFG2 |= SPDIF_CFG2_MAXWL )
-#define __spdif_enable_samwl_20()    ( REG_SPDIF_CFG1 &= ~SPDIF_CFG2_MAXWL )
-
-/* 0x1, 0x1, 0x2, 0x3 */
-#define __spdif_set_clkacu(n)               \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_CLKACU_MASK;      \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_CLKACU_LSB);   \
-} while(0)
-
-/* see IEC60958-3 */
-#define __spdif_set_catcode(n)              \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_CATCODE_MASK;     \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_CATCODE_LSB);  \
-} while(0)
-
-/* n = 0x0, */
-#define __spdif_set_chmode(n)               \
-do {                            \
-    REG_SPDIF_CFG2 &= ~SPDIF_CFG2_CHMD_MASK;    \
-    REG_SPDIF_CFG2 |= ((n) << SPDIF_CFG2_CHMD_LSB); \
-} while(0)
-
-#define __spdif_enable_pre()       ( REG_SPDIF_CFG2 |= SPDIF_CFG2_PRE )
-#define __spdif_disable_pre()      ( REG_SPDIF_CFG2 &= ~SPDIF_CFG2_PRE )
-#define __spdif_enable_copyn()     ( REG_SPDIF_CFG2 |= SPDIF_CFG2_COPYN )
-#define __spdif_disable_copyn()    ( REG_SPDIF_CFG2 &= ~SPDIF_CFG2_COPYN )
-/* audio sample word represents linear PCM samples */
-#define __spdif_enable_audion()    ( REG_SPDIF_CFG2 &= ~SPDIF_CFG2_AUDION )
-/* udio sample word used for other purpose */
-#define __spdif_disable_audion()   ( REG_SPDIF_CFG2 |= SPDIF_CFG2_AUDION )
-#define __spdif_enable_conpro()    ( REG_SPDIF_CFG2 &= ~SPDIF_CFG2_CONPRO )
-#define __spdif_disable_conpro()   ( REG_SPDIF_CFG2 |= SPDIF_CFG2_CONPRO )
-
-/***************************************************************************
- * ICDC
- ***************************************************************************/
-#define __i2s_internal_codec()         __aic_internal_codec()
-#define __i2s_external_codec()         __aic_external_codec()
-
-#define __icdc_clk_ready()             ( REG_ICDC_CKCFG & ICDC_CKCFG_CKRDY )
-#define __icdc_sel_adc()               ( REG_ICDC_CKCFG |= ICDC_CKCFG_SELAD )
-#define __icdc_sel_dac()               ( REG_ICDC_CKCFG &= ~ICDC_CKCFG_SELAD )
-
-#define __icdc_set_rgwr()              ( REG_ICDC_RGADW |= ICDC_RGADW_RGWR )
-#define __icdc_clear_rgwr()            ( REG_ICDC_RGADW &= ~ICDC_RGADW_RGWR )
-#define __icdc_rgwr_ready()            ( REG_ICDC_RGADW & ICDC_RGADW_RGWR )
-
-#define AIC_RW_CODEC_START()        while (INREG32(ICDC_RGADW) & ICDC_RGADW_RGWR)
-#define AIC_RW_CODEC_STOP()     while (INREG32(ICDC_RGADW) & ICDC_RGADW_RGWR)
-
-
-#define __icdc_set_addr(n)              \
-do {                                \
-    REG_ICDC_RGADW &= ~ICDC_RGADW_RGADDR_MASK;  \
-    REG_ICDC_RGADW |= (n) << ICDC_RGADW_RGADDR_LSB; \
-} while(0)
-
-#define __icdc_set_cmd(n)               \
-do {                                \
-    REG_ICDC_RGADW &= ~ICDC_RGADW_RGDIN_MASK;   \
-    REG_ICDC_RGADW |= (n) << ICDC_RGADW_RGDIN_LSB;  \
-} while(0)
-
-#define __icdc_irq_pending()            ( REG_ICDC_RGDATA & ICDC_RGDATA_IRQ )
-#define __icdc_get_value()              ( REG_ICDC_RGDATA & ICDC_RGDATA_RGDOUT_MASK )
-
-
-
-#endif /* __MIPS_ASSEMBLER */
-
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _X1000_AIC_H_ */
diff --git a/libcpu/mips/x1000/x1000_cpm.h b/libcpu/mips/x1000/x1000_cpm.h
deleted file mode 100644
index da2cc964e5..0000000000
--- a/libcpu/mips/x1000/x1000_cpm.h
+++ /dev/null
@@ -1,511 +0,0 @@
-/*
- * File      : x1000_cpm.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-02-03     Urey         the first version
- */
-
-#ifndef _X1000_CPM_H_
-#define _X1000_CPM_H_
-
-#define CPM_CPCCR       (0x00)
-#define CPM_CPCSR       (0xd4)
-
-#define CPM_DDRCDR      (0x2c)
-#define CPM_I2SCDR      (0x60)
-#define CPM_I2SCDR1     (0x70)
-#define CPM_LPCDR       (0x64)
-#define CPM_MSC0CDR     (0x68)
-#define CPM_MSC1CDR     (0xa4)
-#define CPM_USBCDR      (0x50)
-#define CPM_MACCDR      (0x54)
-#define CPM_UHCCDR      (0x6c)
-#define CPM_SFCCDR      (0x74)
-#define CPM_CIMCDR      (0x7c)
-#define CPM_PCMCDR      (0x84)
-#define CPM_PCMCDR1     (0xe0)
-#define CPM_MPHYC       (0xe8)
-
-#define CPM_INTR        (0xb0)
-#define CPM_INTRE       (0xb4)
-#define CPM_DRCG        (0xd0)
-#define CPM_CPSPPR      (0x38)
-#define CPM_CPPSR       (0x34)
-
-#define CPM_USBPCR      (0x3c)
-#define CPM_USBRDT      (0x40)
-#define CPM_USBVBFIL    (0x44)
-#define CPM_USBPCR1     (0x48)
-
-#define CPM_CPAPCR      (0x10)
-#define CPM_CPMPCR      (0x14)
-
-#define CPM_LCR         (0x04)
-#define CPM_PSWC0ST     (0x90)
-#define CPM_PSWC1ST     (0x94)
-#define CPM_PSWC2ST     (0x98)
-#define CPM_PSWC3ST     (0x9c)
-#define CPM_CLKGR       (0x20)
-#define CPM_CLKGR0       (0x20)
-#define CPM_MESTSEL     (0xec)
-#define CPM_SRBC        (0xc4)
-#define CPM_ERNG        (0xd8)
-#define CPM_RNG         (0xdc)
-#define CPM_SLBC        (0xc8)
-#define CPM_SLPC        (0xcc)
-#define CPM_OPCR        (0x24)
-#define CPM_RSR         (0x08)
-
-
-
-
-/*
- * CPM registers common define
- */
-
-/* Clock control register(CPCCR) */
-#define CPCCR_SEL_SRC_LSB       30
-#define CPCCR_SEL_SRC_MASK      BITS_H2L(31, CPCCR_SEL_SRC_LSB)
-
-#define CPCCR_SEL_CPLL_LSB      28
-#define CPCCR_SEL_CPLL_MASK     BITS_H2L(29, CPCCR_SEL_CPLL_LSB)
-
-#define CPCCR_SEL_H0PLL_LSB     26
-#define CPCCR_SEL_H0PLL_MASK    BITS_H2L(27, CPCCR_SEL_H0PLL_LSB)
-
-#define CPCCR_SEL_H2PLL_LSB     24
-#define CPCCR_SEL_H2PLL_MASK    BITS_H2L(25, CPCCR_SEL_H2PLL_LSB)
-
-#define CPCCR_CE_CPU            BIT22
-#define CPCCR_CE_AHB0           BIT21
-#define CPCCR_CE_AHB2           BIT20
-#define CPCCR_CE                (CPCCR_CE_CPU | CPCCR_CE_AHB0 | CPCCR_CE_AHB2)
-
-#define CPCCR_PDIV_LSB          16
-#define CPCCR_PDIV_MASK         BITS_H2L(19, CPCCR_PDIV_LSB)
-
-#define CPCCR_H2DIV_LSB         12
-#define CPCCR_H2DIV_MASK        BITS_H2L(15, CPCCR_H2DIV_LSB)
-
-#define CPCCR_H0DIV_LSB         8
-#define CPCCR_H0DIV_MASK        BITS_H2L(11, CPCCR_H0DIV_LSB)
-
-#define CPCCR_L2DIV_LSB         4
-#define CPCCR_L2DIV_MASK        BITS_H2L(7,  CPCCR_L2DIV_LSB)
-
-#define CPCCR_CDIV_LSB          0
-#define CPCCR_CDIV_MASK         BITS_H2L(3,  CPCCR_CDIV_LSB)
-
-#define CPM_SRC_SEL_APLL        1
-#define CPM_PLL_SEL_SRC         1
-#define CPM_PLL_SEL_MPLL        2
-
-/* Clock Status register(CPCSR) */
-#define CPCSR_SRC_MUX           BIT31
-#define CPCSR_CPU_MUX           BIT30
-#define CPCSR_AHB0_MUX          BIT29
-#define CPCSR_AHB2_MUX          BIT28
-#define CPCSR_DDR_MUX           BIT27
-#define CPCSR_H2DIV_BUSY        BIT2
-#define CPCSR_H0DIV_BUSY        BIT1
-#define CPCSR_CDIV_BUSY         BIT0
-#define CPCSR_DIV_BUSY          (CPCSR_H2DIV_BUSY | CPCSR_H0DIV_BUSY | CPCSR_CDIV_BUSY)
-
-/* DDR clock divider register(DDCDR) */
-#define DDCDR_DCS_LSB           30
-#define DDCDR_DCS_MASK          BITS_H2L(31, DDCDR_DCS_LSB)
-#define DDCDR_DCS_STOP          (0 << DDCDR_DCS_LSB)
-#define DDCDR_DCS_APLL          (1 << DDCDR_DCS_LSB)
-#define DDCDR_DCS_MPLL          (2 << DDCDR_DCS_LSB)
-#define DDCDR_CE_DDR            BIT29
-#define DDCDR_DDR_BUSY          BIT28
-#define DDCDR_DDR_STOP          BIT27
-#define DDCDR_GATE_EN           BIT26
-#define DDCDR_DDR_CHANGE_EN     BIT25
-#define DDCDR_DDR               BIT24
-#define DDCDR_DDRDIV_LSB        0
-#define DDCDR_DDRDIV_MASK       BITS_H2L(3, DDCDR_DDRDIV_LSB)
-
-/*MACPHY clock divider Register (MACCDR)*/
-#define MACCDR_MACPCS           BIT31
-#define MACCDR_CE_MAC           BIT29
-#define MACCDR_MAC_BUSY         BIT28
-#define MACCDR_MAC_STOP         BIT27
-#define MACCDR_MACCDR_LSB       BIT0
-#define MACCDR_MACCDR_MASK      BITS_H2L(7,MACCDR_MACCDR_LSB)
-
-/* I2S device clock divider register(I2SCDR) */
-#define I2SCDR_I2PCS            BIT31
-#define I2SCDR_I2CS             BIT30
-
-#define I2SCDR_I2SDIV_M_LSB     13
-#define I2SCDR_I2SDIV_M_MASK    BITS_H2L(21,I2SCDR_I2SDIV_M_LSB)
-#define I2SCDR_I2SDIV_N_LSB     0       /* I2SCDR bit */
-#define I2SCDR_I2SDIV_N_MASK    BITS_H2L(7, I2SCDR_I2SDIV_N_LSB)
-
-
-/* I2S device clock divider register(I2SCDR1) */
-#define I2SCDR1_NEN             BIT31
-#define I2SCDR1_DEN             BIT30
-#define I2SCDR1_I2SDIV_D_LSB    0
-#define I2SCDR1_I2SDIV_D_MASK   BITS_H2L(12,I2SCDR1_I2SDIV_D_LSB)
-
-/* LCD pix clock divider register(LPCDR) */
-#define LPCDR_LPCS_LSB          31
-#define LPCDR_LPCS_APLL         (0 << LPCDR_LPCS_LSB)
-#define LPCDR_LPCS_MPLL         (1 << LPCDR_LPCS_LSB)
-#define LPCDR_CE_LCD            BIT28
-#define LPCDR_LCD_BUSY          BIT27
-#define LPCDR_LCD_STOP          BIT26
-
-#define LPCDR_PIXDIV_LSB        0       /* LPCDR bit */
-#define LPCDR_PIXDIV_MASK       BITS_H2L(7, LPCDR_PIXDIV_LSB)
-
-/* MSC clock divider register(MSCCDR) */
-#define MSCCDR_MPCS_LSB         31       /* MPCS bit */
-#define MSCCDR_MPCS_APLL        (0 << MSCCDR_MPCS_LSB)
-#define MSCCDR_MPCS_MPLL        (1 << MSCCDR_MPCS_LSB)
-
-#define MSCCDR_CE_MSC           BIT29
-#define MSCCDR_MSC_BUSY         BIT28
-#define MSCCDR_MSC_STOP         BIT27
-#define MSCCDR_S_CLK0_SEL       BIT15
-
-#define MSCCDR_MSCDIV_LSB       0       /* MSCCDR bit */
-#define MSCCDR_MSCDIV_MASK      BITS_H2L(7, MSCCDR_MSCDIV_LSB)
-
-
-/* OTG PHY clock divider register(USBCDR) */
-#define USBCDR_UCS              BIT31
-#define USBCDR_UPCS             BIT30
-#define USBCDR_CE_USB           BIT29
-#define USBCDR_USB_BUSY         BIT28
-#define USBCDR_USB_STOP         BIT27
-
-#define USBCDR_OTGDIV_LSB       0       /* USBCDR bit */
-#define USBCDR_OTGDIV_MASK      BITS_H2L(7, USBCDR_OTGDIV_LSB)
-
-/* SSI clock divider register(SSICDR) */
-#define SSICDR_SPCS             BIT31
-#define SSICDR_SCS              BIT30
-#define SSICDR_CE_SSI           BIT29
-#define SSICDR_SSI_BUSY         BIT28
-#define SSICDR_SSI_STOP         BIT27
-#define SSICDR_SSIDIV_LSB       0       /* SSICDR bit */
-#define SSICDR_SSIDIV_MASK      BITS_H2L(7, SSICDR_SSIDIV_LSB)
-
-/* CIM mclk clock divider register(CIMCDR) */
-#define CIMCDR_CIMPCS_APLL      (0 << 31)
-#define CIMCDR_CIMPCS_MPLL      BIT31
-#define CIMCDR_CE_CIM           BIT29
-#define CIMCDR_CIM_BUSY         BIT28
-#define CIMCDR_CIM_STOP         BIT27
-
-#define CIMCDR_CIMDIV_LSB       0       /* CIMCDR bit */
-#define CIMCDR_CIMDIV_MASK      BITS_H2L(7, CIMCDR_CIMDIV_LSB)
-
-
-/* PCM device clock divider register(PCMCDR) */
-#define PCMCDR_PCMPCS_LSB       30
-#define PCMCDR_PCMPCS_MASK      BITS_H2L(31,PCMCDR_PCMPCS_LSB)
-#define PCMCDR_PCMPCS_SCLK_A    0 << PCMCDR_PCMPCS_LSB
-#define PCMCDR_PCMPCS_EXTCLK    1 << PCMCDR_PCMPCS_LSB
-#define PCMCDR_PCMPCS_MPLL      2 << PCMCDR_PCMPCS_LSB
-#define PCMCDR_CE_PCM           BIT29
-#define PCMCDR_PCMDIV_M_LSB     13
-#define PCMCDR_PCMDIV_M_MASK    BITS_H2L(21,PCMCDR_PCMDIV_M_LSB)
-#define PCMCDR_PCMDIV_N_LSB     0
-#define PCMCDR_PCMDIV_N_MASK    BITS_H2L(12,PCMCDR_PCMDIV_N_LSB)
-
-/* PCM device clock divider register(PCMCDR1) */
-
-#define PCMCDR1_PCM_NEN         BIT31
-#define PCMCDR1_PCM_DEN         BIT30
-#define PCMCDR1_PCMDIV_D_LSB    0
-#define PCMCDR1_PCMDIV_D_MASK   BITS_H2L(12,PCMCDR1_PCMDIV_D_LSB)
-
-/* MAC PHY Control Register (MPHYC) */
-#define MPHYC_MODE_SEL          BIT31  //useless now
-#define MPHYC_MAC_SPEED_LSB     29
-#define MPHYC_MAC_SPEED_MASK    BITS_H2L(30,MPHYC_MAC_SPEED_LSB)
-#define MPHYC_SOFT_RST          BIT3
-#define MPHYC_PHY_INTF_LSB      0
-#define MPHYC_PHY_INTF_MASK     BITS_H2L(2,MPHYC_PHY_INTF_MASK) //useless now
-
-/* CPM Interrupt Register (CPM_INTR)*/
-#define CPM_INTR_VBUS_INTR      BIT1
-#define CPM_INTR_ADEV_INTR      BIT0
-
-/* CPM Interrupt Enable Register (CPM_INTRE)*/
-#define CPM_INTRE_VBUS_INTRE    BIT1
-#define CPM_INTRE_ADEV_INTRE    BIT0
-
-/* CPM scratch pad protected register(CPSPPR) */
-#define CPSPPR_CPSPR_WRITABLE   (0x00005a5a)
-
-/* OTG parameter control register(USBPCR) */
-#define USBPCR_USB_MODE         BIT31
-#define USBPCR_AVLD_REG         BIT30
-#define USBPCR_INCRM            BIT27   /* INCR_MASK bit */
-#define USBPCR_TXRISE_TUNE      BIT26
-#define USBPCR_COMMONONN        BIT25
-#define USBPCR_VBUSVLDEXT       BIT24
-#define USBPCR_VBUSVLDEXTSEL    BIT23
-#define USBPCR_POR              BIT22
-#define USBPCR_SIDDQ            BIT21
-#define USBPCR_OTG_DISABLE      BIT20
-#define USBPCR_TXPREEMPHTUNE    BIT6
-
-#define USBPCR_IDPULLUP_LSB     28   /* IDPULLUP_MASK bit */
-#define USBPCR_IDPULLUP_MASK    BITS_H2L(29, USBPCR_IDPULLUP_LSB)
-
-#define USBPCR_COMPDISTUNE_LSB  17
-#define USBPCR_COMPDISTUNE_MASK BITS_H2L(19, USBPCR_COMPDISTUNE_LSB)
-
-#define USBPCR_OTGTUNE_LSB      14
-#define USBPCR_OTGTUNE_MASK     BITS_H2L(16, USBPCR_OTGTUNE_LSB)
-
-#define USBPCR_SQRXTUNE_LSB     11
-#define USBPCR_SQRXTUNE_MASK    BITS_H2L(13, USBPCR_SQRXTUNE_LSB)
-
-#define USBPCR_TXFSLSTUNE_LSB   7
-#define USBPCR_TXFSLSTUNE_MASK  BITS_H2L(10, USBPCR_TXFSLSTUNE_LSB)
-
-#define USBPCR_TXRISETUNE_LSB   4
-#define USBPCR_TXRISETUNE_MASK  BITS_H2L(5, USBPCR_TXRISETUNE_LSB)
-
-#define USBPCR_TXVREFTUNE_LSB   0
-#define USBPCR_TXVREFTUNE_MASK  BITS_H2L(3, USBPCR_TXVREFTUNE_LSB)
-
-/* OTG reset detect timer register(USBRDT) */
-#define USBRDT_HB_MASK          BIT26
-#define USBRDT_VBFIL_LD_EN      BIT25
-#define USBRDT_IDDIG_EN         BIT24
-#define USBRDT_IDDIG_REG        BIT23
-
-#define USBRDT_USBRDT_LSB       0
-#define USBRDT_USBRDT_MASK      BITS_H2L(22, USBRDT_USBRDT_LSB)
-
-/* OTG parameter control register(USBPCR1) */
-#define USBPCR1_REG             BIT31
-#define USBPCR1_USB_SEL         BIT28
-#define USBPCR1_REFCLKSEL_LSB   26
-#define USBPCR1_REFCLKSEL_MASK  BITS_H2L(27, USBPCR1_REFCLKSEL_LSB)
-
-#define USBPCR1_REFCLKDIV_LSB   24
-#define USBPCR1_REFCLKDIV_MASK  BITS_H2L(25, USBPCR1_REFCLKDIV_LSB)
-
-#define USBPCR1_PORT_RST        BIT21
-
-#define USBPCR1_WORD_IF0        BIT19
-#define USBPCR1_WORD_IF1        BIT18
-
-
-/* APLL control register (CPXPCR) */
-#define CPAPCR_BS               BIT31
-#define CPAPCR_M_LSB            24
-#define CPAPCR_M_MASK           BITS_H2L(30, CPAPCR_M_LSB)
-
-#define CPAPCR_N_LSB            18
-#define CPAPCR_N_MASK           BITS_H2L(22, CPAPCR_N_LSB)
-
-#define CPAPCR_OD_LSB           16
-#define CPAPCR_OD_MASK          BITS_H2L(17, CPAPCR_OD_LSB)
-
-#define CPAPCR_LOCK             BIT15   /* LOCK bit */
-#define CPAPCR_ON               BIT10
-#define CPAPCR_BP               BIT9
-#define CPAPCR_EN               BIT8
-#define CPAPCR_PLLST_LSB        0
-#define CPAPCR_PLLST_MASK       BITS_H2L(7,CPAPCR_PLLST_LSB)
-
-#define CPM_CPAPCR_EN           CPAPCR_EN
-#define CPM_CPAPCR_ON           CPAPCR_ON
-
-/* MPLL control register (CPXPCR) */
-#define CPMPCR_BS               BIT31
-#define CPMPCR_M_LSB            24
-#define CPMPCR_M_MASK           BITS_H2L(30, CPAPCR_M_LSB)
-
-#define CPMPCR_N_LSB            18
-#define CPMPCR_N_MASK           BITS_H2L(22, CPAPCR_N_LSB)
-
-#define CPMPCR_OD_LSB           16
-#define CPMPCR_OD_MASK          BITS_H2L(17, CPAPCR_OD_LSB)
-
-#define CPMPCR_EN               BIT7
-#define CPMPCR_BP               BIT6
-#define CPMPCR_LOCK             BIT1    /* LOCK bit */
-#define CPMPCR_ON               BIT0
-
-#define CPM_CPMPCR_EN           CPMPCR_EN
-#define CPM_CPMPCR_ON           CPMPCR_ON
-
-
-
-/* Low power control register(LCR) */
-#define LCR_PST_LSB             8
-#define LCD_PST_MASK            BITS_H2L(19,LCR_PST_LSB)
-#define LCR_LPM_LSB             0
-#define LCR_LPM_MASK            BITS_H2L(1,LCR_LPM_LSB)
-
-/* Clock gate register 0(CGR0) */
-#define CLKGR0_DDR              BIT31
-#define CLKGR0_CPU              BIT30
-#define CLKGR0_AHB0             BIT29
-#define CLKGR0_APB0             BIT28
-#define CLKGR0_RTC              BIT27
-#define CLKGR0_PCM              BIT26
-#define CLKGR0_MAC              BIT25
-#define CLKGR0_AES              BIT24
-#define CLKGR0_LCD              BIT23
-#define CLKGR0_CIM              BIT22
-#define CLKGR0_PDMA             BIT21
-#define CLKGR0_OST              BIT20
-#define CLKGR0_SSI              BIT19
-#define CLKGR0_TCU              BIT18
-#define CLKGR0_DMIC             BIT17
-#define CLKGR0_UART2            BIT16
-#define CLKGR0_UART1            BIT15
-#define CLKGR0_UART0            BIT14
-#define CLKGR0_SADC             BIT13
-#define CLKGR0_JPEG             BIT12
-#define CLKGR0_AIC              BIT11
-#define CLKGR0_I2C3             BIT10
-#define CLKGR0_I2C2             BIT9
-#define CLKGR0_I2C1             BIT8
-#define CLKGR0_I2C0             BIT7
-#define CLKGR0_SCC              BIT6
-#define CLKGR0_MSC1             BIT5
-#define CLKGR0_MSC0             BIT4
-#define CLKGR0_OTG              BIT3
-#define CLKGR0_SFC              BIT2
-#define CLKGR0_EFUSE            BIT1
-#define CLKGR0_NEMC             BIT0
-
-/* CPM MEST SEL Register */
-
-#define MEST_SEL_TST8           BIT8
-#define MEST_SEL_TST7           BIT7
-#define MEST_SEL_TST4           BIT4
-#define MEST_SEL_TST3           BIT3
-#define MEST_SEL_TST1           BIT1
-#define MEST_SEL_TST0           BIT0
-
-/*Soft Reset and Bus Control Register (SRBC)*/
-
-#define SRBC_JPEG_SR            BIT31
-#define SRBC_JPEG_STP           BIT30
-#define SRBC_JPEG_ACK           BIT29
-#define SRBC_LCD_SR             BIT25
-#define SRBC_LCD_STP            BIT24
-#define SRBC_LCD_ACK            BIT23
-#define SRBC_CIM_STP            BIT21
-#define SRBC_CIM_ACK            BIT20
-#define SRBC_CPU_STP            BIT15
-#define SRBC_CPU_ACK            BIT14
-#define SRBC_OTG_SR             BIT12
-#define SRBC_AHB2_STP           BIT8
-#define SRBC_AHB2_ACK           BIT7
-#define SRBC_DDR_STP            BIT6
-#define SRBC_DDR_ACK            BIT5
-
-
-/* Oscillator and power control register(OPCR) */
-#define OPCR_IDLE_DIS           BIT31
-#define OPCR_MASK_INT           BIT30
-#define OPCR_MASK_VPU           BIT29  //ONLY FOR DEBUG
-#define OPCR_GATE_SCLK_ABUS     BIT28
-#define OPCR_L2C_PD             BIT25
-#define OPCR_REQ_MODE           BIT24
-#define OPCR_GATE_USBPHY_CLK    BIT23
-#define OPCR_DIS_STOP_MUX       BIT22
-#define OPCR_O1ST_LSB           8
-#define OPCR_O1ST_MASK          BITS_H2L(19, OPCR_O1ST_LSB)
-#define OPCR_OTGPHY0_ENABLE     BIT7    /* otg */
-#define OPCR_OTGPHY1_ENABLE     BIT6    /* uhc */
-#define OPCR_USBPHY_ENABLE      (OPCR_OTGPHY0_ENABLE | OPCR_OTGPHY1_ENABLE)
-#define OPCR_O1SE               BIT4
-#define OPCR_PD                 BIT3
-#define OPCR_ERCS               BIT2
-#define OPCR_BUSMODE            BIT1
-
-
-
-/* Reset status register(RSR) */
-#define RSR_HR                  BIT3
-#define RSR_P0R                 BIT2
-#define RSR_WR                  BIT1
-#define RSR_PR                  BIT0
-
-
-#ifndef __ASSEMBLY__
-
-#define REG_CPM_CPCCR           REG32(CPM_BASE + CPM_CPCCR)
-#define REG_CPM_CPCSR           REG32(CPM_BASE + CPM_CPCSR)
-#define REG_CPM_DDCDR           REG32(CPM_BASE + CPM_DDCDR)
-#define REG_CPM_MACCDR          REG32(CPM_BASE + CPM_MACCDR)
-#define REG_CPM_I2SCDR          REG32(CPM_BASE + CPM_I2SCDR)
-#define REG_CPM_I2SCDR1         REG32(CPM_BASE + CPM_I2SCDR1)
-#define REG_CPM_LPCDR           REG32(CPM_BASE + CPM_LPCDR)
-#define REG_CPM_MSC0CDR         REG32(CPM_BASE + CPM_MSC0CDR)
-#define REG_CPM_MSC1CDR         REG32(CPM_BASE + CPM_MSC1CDR)
-#define REG_CPM_USBCDR          REG32(CPM_BASE + CPM_USBCDR)
-#define REG_CPM_SSICDR          REG32(CPM_BASE + CPM_SSICDR)
-#define REG_CPM_CIMCDR          REG32(CPM_BASE + CPM_CIMCDR)
-#define REG_CPM_PCMCDR          REG32(CPM_BASE + CPM_PCMCDR)
-#define REG_CPM_PCMCDR1         REG32(CPM_BASE + CPM_PCMCDR1)
-#define REG_CPM_MPHYC           REG32(CPM_BASE + CPM_MPHYC)
-#define REG_CPM_INTRCDR         REG32(CPM_BASE + CPM_INTRCDR)
-#define REG_CPM_INTRECDR        REG32(CPM_BASE + CPM_INTRECDR)
-#define REG_CPM_CPSPR           REG32(CPM_BASE + CPM_CPSPR)
-#define REG_CPM_CPSPPR          REG32(CPM_BASE + CPM_CPSPPR)
-#define REG_CPM_USBPCR          REG32(CPM_BASE + CPM_USBPCR)
-#define REG_CPM_USBRDT          REG32(CPM_BASE + CPM_USBRDT)
-#define REG_CPM_USBVBFIL        REG32(CPM_BASE + CPM_USBVBFIL)
-#define REG_CPM_USBPCR1         REG32(CPM_BASE + CPM_USBPCR1)
-#define REG_CPM_CPAPCR          REG32(CPM_BASE + CPM_CPAPCR)
-#define REG_CPM_CPMPCR          REG32(CPM_BASE + CPM_CPMPCR)
-
-#define REG_CPM_LCR             REG32(CPM_BASE + CPM_LCR)
-#define REG_CPM_PSWC0ST         REG32(CPM_BASE + CPM_PSWC0ST)
-#define REG_CPM_PSWC1ST         REG32(CPM_BASE + CPM_PSWC1ST)
-#define REG_CPM_PSWC2ST         REG32(CPM_BASE + CPM_PSWC2ST)
-#define REG_CPM_PSWC3ST         REG32(CPM_BASE + CPM_PSWC3ST)
-#define REG_CPM_CLKGR0          REG32(CPM_BASE + CPM_CLKGR0)
-#define REG_CPM_SRBC            REG32(CPM_BASE + CPM_SRBC)
-#define REG_CPM_SLBC            REG32(CPM_BASE + CPM_SLBC)
-#define REG_CPM_SLPC            REG32(CPM_BASE + CPM_SLPC)
-#define REG_CPM_OPCR            REG32(CPM_BASE + CPM_OPCR)
-#define REG_CPM_RSR             REG32(CPM_BASE + CPM_RSR)
-
-#define _REG_CPM_MSCCDR(n)      REG_CPM_MSC##n##CDR
-#define REG_CPM_MSCCDR(n)       _REG_CPM_MSCCDR(n)
-
-/* CPM read write */
-#define cpm_inl(off)            readl(CPM_BASE + off)
-#define cpm_outl(val,off)       writel(val, CPM_BASE + off)
-#define cpm_test_bit(bit,off)   (cpm_inl(off) & 0x1<<(bit))
-#define cpm_set_bit(bit,off)    (cpm_outl((cpm_inl(off) | 0x1<<(bit)),off))
-#define cpm_clear_bit(bit,off)  (cpm_outl(cpm_inl(off) & ~(0x1 << bit), off))
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _X1000_CPM_H_ */
diff --git a/libcpu/mips/x1000/x1000_intc.h b/libcpu/mips/x1000/x1000_intc.h
deleted file mode 100644
index 1644b90777..0000000000
--- a/libcpu/mips/x1000/x1000_intc.h
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * File      : x1000_intc.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-02-03     Urey         the first version
- */
-
-#ifndef _X1000_INTC_H_
-#define _X1000_INTC_H_
-
-
-/*
- * INTC (Interrupt Controller)
- */
-#define INTC_ISR(n)             (INTC_BASE + 0x00 + (n) * 0x20)
-#define INTC_IMR(n)             (INTC_BASE + 0x04 + (n) * 0x20)
-#define INTC_IMSR(n)            (INTC_BASE + 0x08 + (n) * 0x20)
-#define INTC_IMCR(n)            (INTC_BASE + 0x0c + (n) * 0x20)
-#define INTC_IPR(n)             (INTC_BASE + 0x10 + (n) * 0x20)
-
-#define REG_INTC_ISR(n)         REG32(INTC_ISR((n)))
-#define REG_INTC_IMR(n)         REG32(INTC_IMR((n)))
-#define REG_INTC_IMSR(n)        REG32(INTC_IMSR((n)))
-#define REG_INTC_IMCR(n)        REG32(INTC_IMCR((n)))
-#define REG_INTC_IPR(n)         REG32(INTC_IPR((n)))
-
-// interrupt controller interrupts
-#define IRQ_DMIC                0
-#define IRQ_AIC0                1
-#define IRQ_RESERVED2           2
-#define IRQ_RESERVED3           3
-#define IRQ_RESERVED4           4
-#define IRQ_RESERVED5           5
-#define IRQ_RESERVED6           6
-#define IRQ_SFC                 7
-#define IRQ_SSI0                8
-#define IRQ_RESERVED9           9
-#define IRQ_PDMA                10
-#define IRQ_PDMAD               11
-#define IRQ_RESERVED12          12
-#define IRQ_RESERVED13          13
-#define IRQ_GPIO3               14
-#define IRQ_GPIO2               15
-#define IRQ_GPIO1               16
-#define IRQ_GPIO0               17
-#define IRQ_RESERVED18          18
-#define IRQ_RESERVED19          19
-#define IRQ_RESERVED20          20
-#define IRQ_OTG                 21
-#define IRQ_RESERVED22          22
-#define IRQ_AES                 23
-#define IRQ_RESERVED24          24
-#define IRQ_TCU2                25
-#define IRQ_TCU1                26
-#define IRQ_TCU0                27
-#define IRQ_RESERVED28          28
-#define IRQ_RESERVED29          29
-#define IRQ_CIM                 30
-#define IRQ_LCD                 31
-#define IRQ_RTC                 32
-#define IRQ_RESERVED33          33
-#define IRQ_RESERVED34          34
-#define IRQ_RESERVED35          35
-#define IRQ_MSC1                36
-#define IRQ_MSC0                37
-#define IRQ_SCC                 38
-#define IRQ_RESERVED39          39
-#define IRQ_PCM0                40
-#define IRQ_RESERVED41          41
-#define IRQ_RESERVED42          42
-#define IRQ_RESERVED43          43
-#define IRQ_HARB2               44
-#define IRQ_RESERVED45          45
-#define IRQ_HARB0               46
-#define IRQ_CPM                 47
-#define IRQ_RESERVED48          48
-#define IRQ_UART2               49
-#define IRQ_UART1               50
-#define IRQ_UART0               51
-#define IRQ_DDR                 52
-#define IRQ_RESERVED53          53
-#define IRQ_EFUSE               54
-#define IRQ_MAC                 55
-#define IRQ_RESERVED56          56
-#define IRQ_RESERVED57          57
-#define IRQ_I2C2                58
-#define IRQ_I2C1                59
-#define IRQ_I2C0                60
-#define IRQ_PDMAM               61
-#define IRQ_JPEG                62
-#define IRQ_RESERVED63          63
-
-#define IRQ_INTC_MAX            63
-
-#ifndef __ASSEMBLY__
-
-#define __intc_unmask_irq(n)    (REG_INTC_IMCR((n)/32) = (1 << ((n)%32)))
-#define __intc_mask_irq(n)      (REG_INTC_IMSR((n)/32) = (1 << ((n)%32)))
-#define __intc_ack_irq(n)       (REG_INTC_IPR((n)/32) = (1 << ((n)%32)))        /* A dummy ack, as the Pending Register is Read Only. Should we remove __intc_ack_irq() */
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _X1000_INTC_H_ */
diff --git a/libcpu/mips/x1000/x1000_otg_dwc.h b/libcpu/mips/x1000/x1000_otg_dwc.h
deleted file mode 100644
index bb77981daa..0000000000
--- a/libcpu/mips/x1000/x1000_otg_dwc.h
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * File      : x1000_otg_dwc.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-02-03     Urey         the first version
- */
-
-#ifndef _X1000_OTG_DWC_H_
-#define _X1000_OTG_DWC_H_
-
-/* Globle Regs define */
-#define GOTG_CTL        (OTG_BASE + 0x00)
-#define GOTG_INTR       (OTG_BASE + 0x04)
-#define GAHB_CFG        (OTG_BASE + 0x08)
-#define GUSB_CFG        (OTG_BASE + 0x0c)
-#define GRST_CTL        (OTG_BASE + 0x10)
-#define GINT_STS        (OTG_BASE + 0x14)
-#define GINT_MASK       (OTG_BASE + 0x18)
-#define GRXSTS_READ     (OTG_BASE + 0x1c)
-#define GRXSTS_POP      (OTG_BASE + 0x20)
-#define GRXFIFO_SIZE        (OTG_BASE + 0x24)
-#define GNPTXFIFO_SIZE      (OTG_BASE + 0x28)
-#define GDTXFIFO_SIZE       (OTG_BASE + 0x104)
-#define GHW_CFG1        (OTG_BASE + 0x44)
-#define GHW_CFG2        (OTG_BASE + 0x48)
-#define GHW_CFG3        (OTG_BASE + 0x4c)
-#define GHW_CFG4        (OTG_BASE + 0x50)
-#define GDFIFO_CFG      (OTG_BASE + 0x5c)
-#define PCGC_CTL        (OTG_BASE + 0xe00)
-
-/* Fifo number 1 ~ 15 */
-#define GDEIP_TXF(n)    (OTG_BASE + (0x104 + ((n-1) * 0x4)))
-
-#define REG_GOTG_CTL        REG32(GOTG_CTL)
-#define REG_GOTG_INTR       REG32(GOTG_INTR)
-#define REG_GAHB_CFG        REG32(GAHB_CFG)
-#define REG_GUSB_CFG        REG32(GUSB_CFG)
-#define REG_GRST_CTL        REG32(GRST_CTL)
-#define REG_GINT_STS        REG32(GINT_STS)
-#define REG_GINT_MASK       REG32(GINT_MASK)
-#define REG_GRXSTS_READ     REG32(GRXSTS_READ)
-#define REG_GRXSTS_POP      REG32(GRXSTS_POP)
-#define REG_GRXFIFO_SIZE    REG32(GRXFIFO_SIZE)
-#define REG_GNPTXFIFO_SIZE  REG32(GNPTXFIFO_SIZE)
-#define REG_GDTXFIFO_SIZE   REG32(GDTXFIFO_SIZE)
-#define REG_GHW_CFG1        REG32(GHW_CFG1)
-#define REG_GHW_CFG2        REG32(GHW_CFG2)
-#define REG_GHW_CFG3        REG32(GHW_CFG3)
-#define REG_GHW_CFG4        REG32(GHW_CFG4)
-#define REG_GDFIFO_CFG      REG32(GDFIFO_CFG)
-#define REG_GDIEP_TXF(n)    REG32(GDEIP_TXF(n))
-#define REG_PCGC_CTL        REG32(PCGC_CTL)
-/* Device Regs define */
-#define EP_FIFO(n)      (OTG_BASE + (n+1)*0x1000) // FiX ME
-#define REG_EP_FIFO(n)      REG32(EP_FIFO(n))
-
-
-#define OTG_DCFG        (OTG_BASE + 0x800)
-#define OTG_DCTL        (OTG_BASE + 0x804)
-#define OTG_DSTS        (OTG_BASE + 0x808)
-#define DIEP_MASK       (OTG_BASE + 0x810)
-#define DOEP_MASK       (OTG_BASE + 0x814)
-#define OTG_DAINT       (OTG_BASE + 0x818)
-#define DAINT_MASK      (OTG_BASE + 0x81c)
-
-#define DIEP_EMPMSK     (OTG_BASE + 0x834)
-
-
-/* It's used in OTG_MULT_PROC_INTRPT = 1
-#define DEACH_INT       (OTG_BASE + 0x838)
-#define DEACH_INTMASK       (OTG_BASE + 0x83c)
-#define DIEP0_INTMASK       (OTG_BASE + 0x840)
-#define DIEP1_INTMASK       (OTG_BASE + 0x844)
-#define DOEP0_INTMASK       (OTG_BASE + 0x880)
-#define DOEP1_INTMASK       (OTG_BASE + 0x884)
-*/
-
-#define DIEP_CTL(n)     (OTG_BASE + (0x900 + (n)*0x20))
-#define DOEP_CTL(n)     (OTG_BASE + (0xb00 + (n)*0x20))
-
-#define DIEP_INT(n)     (OTG_BASE + (0x908 + (n)*0x20))
-#define DOEP_INT(n)     (OTG_BASE + (0xb08 + (n)*0x20))
-
-#define DIEP_SIZE(n)        (OTG_BASE + (0x910 + (n)*0x20))
-#define DOEP_SIZE(n)        (OTG_BASE + (0xb10 + (n)*0x20))
-
-#define DIEP_TXFSTS(n)      (OTG_BASE + (0x918 + (n)*0x20))
-
-#define DIEP_DMA(n)         (OTG_BASE + (0x914 + (n)*0x20))
-#define DOEP_DMA(n)         (OTG_BASE + (0xb14 + (n)*0x20))
-
-#define REG_OTG_DCFG        REG32(OTG_DCFG)
-#define REG_OTG_DCTL        REG32(OTG_DCTL)
-#define REG_OTG_DSTS        REG32(OTG_DSTS)
-#define REG_DIEP_MASK       REG32(DIEP_MASK)
-#define REG_DOEP_MASK       REG32(DOEP_MASK)
-#define REG_OTG_DAINT       REG32(OTG_DAINT)
-#define REG_DAINT_MASK      REG32(DAINT_MASK)
-#define REG_DIEP_EMPMSK     REG32(DIEP_EMPMSK)
-
-#define REG_DIEP_CTL(n)     REG32(DIEP_CTL(n))
-#define REG_DOEP_CTL(n)     REG32(DOEP_CTL(n))
-
-#define REG_DIEP_INT(n)     REG32(DIEP_INT(n))
-#define REG_DOEP_INT(n)     REG32(DOEP_INT(n))
-
-#define REG_DIEP_SIZE(n)    REG32(DIEP_SIZE(n))
-#define REG_DOEP_SIZE(n)    REG32(DOEP_SIZE(n))
-
-#define REG_DIEP_TXFSTS(n)  REG32(DIEP_TXFSTS(n))
-
-#define REG_DIEP_DMA(n)     REG32(DIEP_DMA(n))
-#define REG_DOEP_DMA(n)     REG32(DOEP_DMA(n))
-
-/* Regs macro define */
-/*************************************************/
-#define AHBCFG_TXFE_LVL     BIT7
-#define AHBCFG_DMA_ENA      BIT5
-#define AHBCFG_GLOBLE_INTRMASK  BIT0
-#define USBCFG_FORCE_DEVICE BIT30
-#define USBCFG_TRDTIME_MASK (0xf << 10)
-#define USBCFG_TRDTIME_9    (9 << 10)
-#define USBCFG_TRDTIME_6    (6 << 10)
-
-/* GRSTCTL */
-#define RSTCTL_AHB_IDLE     BIT31
-#define RSTCTL_TXFNUM_ALL   (0x10 << 6)
-#define RSTCTL_TXFIFO_FLUSH BIT5
-#define RSTCTL_RXFIFO_FLUSH BIT4
-#define RSTCTL_INTK_FLUSH   BIT3
-#define RSTCTL_FRMCNT_RST   BIT2
-#define RSTCTL_CORE_RST     BIT0
-
-/* GINTMSK */
-#define GINTMSK_RSUME_DETE  BIT31
-#define GINTMSK_CONID_STSCHG    BIT28
-#define GINTMSK_RESET_DETE  BIT23
-#define GINTMSK_FETCH_SUSPEND   BIT22
-#define GINTMSK_OEP_INTR    BIT19
-#define GINTMSK_IEP_INTR    BIT18
-#define GINTMSK_EP_MISMATCH BIT17
-#define GINTMSK_ENUM_DONE   BIT13
-#define GINTMSK_USB_RESET   BIT12
-#define GINTMSK_USB_SUSPEND BIT11
-#define GINTMSK_USB_EARLYSUSPEND    BIT10
-#define GINTMSK_I2C_INT     BIT9
-#define GINTMSK_ULPK_CKINT  BIT8
-#define GINTMSK_GOUTNAK_EFF BIT7
-#define GINTMSK_GINNAK_EFF  BIT6
-#define GINTMSK_NPTXFIFO_EMPTY  BIT5
-#define GINTMSK_RXFIFO_NEMPTY   BIT4
-#define GINTMSK_START_FRAM  BIT3
-#define GINTMSK_OTG_INTR    BIT2
-#define GINTMSK_MODE_MISMATCH   BIT1
-
-/* GINTSTS */
-#define GINTSTS_RSUME_DETE  BIT31
-#define GINTSTS_CONID_STSCHG    BIT28
-#define GINTSTS_RESET_DETE  BIT23
-#define GINTSTS_FETCH_SUSPEND   BIT22
-#define GINTSTS_OEP_INTR    BIT19
-#define GINTSTS_IEP_INTR    BIT18
-#define GINTSTS_EP_MISMATCH BIT17
-#define GINTSTS_ENUM_DONE   BIT13
-#define GINTSTS_USB_RESET   BIT12
-#define GINTSTS_USB_SUSPEND BIT11
-#define GINTSTS_USB_EARLYSUSPEND    BIT10
-#define GINTSTS_I2C_INT     BIT9
-#define GINTSTS_ULPK_CKINT  BIT8
-#define GINTSTS_GOUTNAK_EFF BIT7
-#define GINTSTS_GINNAK_EFF  BIT6
-#define GINTSTS_NPTXFIFO_EMPTY  BIT5
-#define GINTSTS_RXFIFO_NEMPTY   BIT4
-#define GINTSTS_START_FRAM  BIT3
-#define GINTSTS_OTG_INTR    BIT2
-#define GINTSTS_MODE_MISMATCH   BIT1
-
-/* DCTL */
-#define DCTL_CGOUTNAK       BIT10
-#define DCTL_CLR_GNPINNAK   BIT8
-#define DCTL_SGNPINNAK      BIT7
-#define DCTL_SOFT_DISCONN   BIT1
-#define DCTL_SGOUTNAK       BIT9
-/* DCFG */
-#define DCFG_DEV_ADDR_MASK  (0x7f << 4)
-#define DCFG_DEV_ADDR_BIT   4
-#define DCFG_DEV_DESC_DMA   (1 << 23)
-/* DSTS */
-#define DSTS_ERRATIC_ERROR          BIT3
-#define DSTS_ENUM_SPEED_MASK        (0x3 << 1)
-#define DSTS_ENUM_SPEED_BIT         BIT1
-#define DSTS_ENUM_SPEED_HIGH        (0x0 << 1)
-#define DSTS_ENUM_SPEED_FULL_30OR60 (0x1 << 1)
-#define DSTS_ENUM_SPEED_LOW         (0x2 << 1)
-#define DSTS_ENUM_SPEED_FULL_48     (0x3 << 1)
-
-/* GRXSTSR/GRXSTSP */
-#define GRXSTSP_PKSTS_MASK      (0xf << 17)
-#define GRXSTSP_PKSTS_GOUT_NAK      (0x1 << 17)
-#define GRXSTSP_PKSTS_GOUT_RECV     (0x2 << 17)
-#define GRXSTSP_PKSTS_TX_COMP       (0x3 << 17)
-#define GRXSTSP_PKSTS_SETUP_COMP    (0x4 << 17)
-#define GRXSTSP_PKSTS_SETUP_RECV    (0x6 << 17)
-#define GRXSTSP_BYTE_CNT_MASK       (0x7ff << 4)
-#define GRXSTSP_BYTE_CNT_BIT        4
-#define GRXSTSP_EPNUM_MASK      (0xf)
-#define GRXSTSP_EPNUM_BIT       BIT0
-
-
-/* DIOEPCTL */
-// ep0
-#define DEP_EP0_MAXPKET_SIZE    64
-#define DEP_EP0_MPS_64      (0x0)
-#define DEP_EP0_MPS_32      (0x1)
-#define DEP_EP0_MPS_16      (0x2)
-#define DEP_EP0_MPS_8       (0x3)
-
-#define DEP_ENA_BIT     BIT31
-#define DEP_DISENA_BIT      BIT30
-#define DEP_SET_NAK         BIT27
-#define DEP_CLEAR_NAK       BIT26
-#define DEP_SET_STALL       BIT21
-#define DEP_TYPE_MASK       (0x3 << 18)
-#define DEP_TYPE_CNTL       (0x0 << 18)
-#define DEP_TYPE_ISO        (0x1 << 18)
-#define DEP_TYPE_BULK       (0x2 << 18)
-#define DEP_TYPE_INTR       (0x3 << 18)
-#define USB_ACTIVE_EP       BIT15
-#define DEP_PKTSIZE_MASK    0x7ff
-#define DEP_FS_PKTSIZE      64
-#define DEP_HS_PKTSIZE      512
-
-/* DIOEPINT */
-#define DEP_NYET_INT        BIT14
-#define DEP_NAK_INT     BIT13
-#define DEP_BABBLE_ERR_INT  BIT12
-#define DEP_PKT_DROP_STATUS BIT11
-#define DEP_BNA_INT     BIT9
-#define DEP_TXFIFO_UNDRN    BIT8        // Only for INEP
-#define DEP_OUTPKT_ERR      BIT8        // Only for OUTEP
-#define DEP_TXFIFO_EMPTY    BIT7
-#define DEP_INEP_NAKEFF     BIT6        // Only for INEP
-#define DEP_B2B_SETUP_RECV  BIT6        // Only for OUTEP0
-#define DEP_INTOKEN_EPMISATCH   BIT5        // Only for INEP
-#define DEP_STATUS_PHASE_RECV   BIT5        // Only for OUTEP0
-#define DEP_INTOKEN_RECV_TXFIFO_EMPTY   BIT4    // Only for INEP
-#define DEP_OUTTOKEN_RECV_EPDIS BIT4        // Only for OUTEP
-#define DEP_TIME_OUT        BIT3        // Only for INEP
-#define DEP_SETUP_PHASE_DONE    BIT3        // Only for OUTEP0
-#define DEP_AHB_ERR     BIT2
-#define DEP_EPDIS_INT       BIT1
-#define DEP_XFER_COMP       BIT0        // Used by INEP and OUTEP
-
-/* DOEPSIZ0 */
-#define DOEPSIZE0_SUPCNT_1  (0x1 << 29)
-#define DOEPSIZE0_SUPCNT_2  (0x2 << 29)
-#define DOEPSIZE0_SUPCNT_3  (0x3 << 29)
-#define DOEPSIZE0_PKTCNT_BIT    BIT19
-
-
-#define DEP_RXFIFO_SIZE     1064
-#define DEP_NPTXFIFO_SIZE   1024
-#define DEP_DTXFIFO_SIZE    768
-
-
-#define DWC_GAHBCFG_INT_DMA_BURST_SINGLE    0
-#define DWC_GAHBCFG_INT_DMA_BURST_INCR      1
-#define DWC_GAHBCFG_INT_DMA_BURST_INCR4     3
-#define DWC_GAHBCFG_INT_DMA_BURST_INCR8     5
-#define DWC_GAHBCFG_INT_DMA_BURST_INCR16    7
-
-#define DWC_GAHBCFG_EXT_DMA_BURST_1word     0x0
-#define DWC_GAHBCFG_EXT_DMA_BURST_4word     0x1
-#define DWC_GAHBCFG_EXT_DMA_BURST_8word     0x2
-#define DWC_GAHBCFG_EXT_DMA_BURST_16word    0x3
-#define DWC_GAHBCFG_EXT_DMA_BURST_32word    0x4
-#define DWC_GAHBCFG_EXT_DMA_BURST_64word    0x5
-#define DWC_GAHBCFG_EXT_DMA_BURST_128word   0x6
-#define DWC_GAHBCFG_EXT_DMA_BURST_256word   0x7
-
-#define DEP_NUM         2
-
-#if 0
-#define UTMI_PHY_WIDTH      8
-#else
-#define UTMI_PHY_WIDTH      16
-#endif
-
-#endif /* _X1000_OTG_DWC_H_ */
diff --git a/libcpu/mips/x1000/x1000_slcdc.h b/libcpu/mips/x1000/x1000_slcdc.h
deleted file mode 100644
index fab76ffad9..0000000000
--- a/libcpu/mips/x1000/x1000_slcdc.h
+++ /dev/null
@@ -1,463 +0,0 @@
-/*
- * File      : x1000_slcdc.h
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017��3��20��     Urey         the first version
- */
-#ifndef _X1000_SLCDC_H_
-#define _X1000_SLCDC_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*************************************************************************
- * SLCD (Smart LCD Controller)
- *************************************************************************/
-#define LCDC0_BASE  LCD_BASE
-
-#define SLCDC_CFG       (LCDC0_BASE + 0xA0)  /* SLCDC Configure Register */
-#define SLCDC_CTRL      (LCDC0_BASE + 0xA4)  /* SLCDC Control Register */
-#define SLCDC_STATE     (LCDC0_BASE + 0xA8)  /* SLCDC Status Register */
-#define SLCDC_DATA      (LCDC0_BASE + 0xAC)  /* SLCDC Data Register */
-
-#define SLCDC_CFG_NEW   (LCDC0_BASE + 0xB8)
-#define SLCDC_WTIME     (LCDC0_BASE + 0xB0)
-#define SLCDC_TAS       (LCDC0_BASE + 0xB4)
-#define SLCDC_SLOW_TIME (LCDC0_BASE + 0xBC)
-
-/* SLCDC Configure Register */
-#define SLCDC_CFG_DWIDTH_BIT            10
-#define SLCDC_CFG_DWIDTH_MASK           (0x7 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_18BIT          (0 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_16BIT          (1 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_8BIT_x3        (2 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_8BIT_x2        (3 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_8BIT_x1        (4 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_24BIT          (5 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_DWIDTH_9BIT_x2        (7 << SLCDC_CFG_DWIDTH_BIT)
-#define SLCDC_CFG_CWIDTH_BIT            (8)
-#define SLCDC_CFG_CWIDTH_MASK           (0x3 << SLCDC_CFG_CWIDTH_BIT)
-#define SLCDC_CFG_CWIDTH_16BIT          (0 << SLCDC_CFG_CWIDTH_BIT)
-#define SLCDC_CFG_CWIDTH_8BIT           (1 << SLCDC_CFG_CWIDTH_BIT)
-#define SLCDC_CFG_CWIDTH_18BIT          (2 << SLCDC_CFG_CWIDTH_BIT)
-#define SLCDC_CFG_CWIDTH_24BIT          (3 << SLCDC_CFG_CWIDTH_BIT)
-#define SLCDC_CFG_CS_ACTIVE_LOW         (0 << 4)
-#define SLCDC_CFG_CS_ACTIVE_HIGH        (1 << 4)
-#define SLCDC_CFG_RS_CMD_LOW            (0 << 3)
-#define SLCDC_CFG_RS_CMD_HIGH           (1 << 3)
-#define SLCDC_CFG_CLK_ACTIVE_FALLING    (0 << 1)
-#define SLCDC_CFG_CLK_ACTIVE_RISING     (1 << 1)
-#define SLCDC_CFG_TYPE_PARALLEL         (0 << 0)
-#define SLCDC_CFG_TYPE_SERIAL           (1 << 0)
-
-/* SLCD New Configure Register */
-#define SLCDC_NEW_CFG_DWIDTH_BIT        13
-#define SLCDC_NEW_CFG_DWIDTH_MASK       (0x7 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_DWIDTH_8BIT       (0 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_DWIDTH_9BIT       (1 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_DWIDTH_16BIT      (2 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_DWIDTH_18BIT      (3 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_DWIDTH_24BIT      (4 << SLCDC_NEW_CFG_DWIDTH_BIT)
-#define SLCDC_NEW_CFG_6800_MD           (1 << 11)
-#define SLCDC_NEW_CFG_CMD_9BIT          (1 << 10)       /* only use in old slcd */
-#define SLCDC_NEW_CFG_CMD_16BIT         (0 << 10)       /* only use in old slcd */
-#define SLCDC_NEW_CFG_DTIME_BIT         8
-#define SLCDC_NEW_CFG_DTIME_MASK        (0x3 << SLCDC_NEW_CFG_DTIME_BIT)
-#define SLCDC_NEW_CFG_DTIME_ONCE        (0 << SLCDC_NEW_CFG_DTIME_BIT)
-#define SLCDC_NEW_CFG_DTIME_TWICE       (1 << SLCDC_NEW_CFG_DTIME_BIT)
-#define SLCDC_NEW_CFG_DTIME_THREE       (2 << SLCDC_NEW_CFG_DTIME_BIT)
-#define SLCDC_NEW_CFG_CS_HIGH_IDLE      (0 << 5)
-#define SLCDC_NEW_CFG_CS_LOW_IDLE       (1 << 5)
-#define SLCDC_NEW_CFG_RS_CMD_LOW        (0 << 4)
-#define SLCDC_NEW_CFG_RS_CMD_HIGH       (1 << 4)
-#define SLCDC_NEW_CFG_CLK_ACTIVE_FALLING        (0 << 3)
-#define SLCDC_NEW_CFG_CLK_ACTIVE_RISING (1 << 3)
-#define SLCDC_NEW_CFG_DTYPE_PARALLEL    (0 << 2)
-#define SLCDC_NEW_CFG_DTYPE_SERIAL      (1 << 2)
-#define SLCDC_NEW_CFG_CTYPE_PARALLEL    (0 << 1)
-#define SLCDC_NEW_CFG_CTYPE_SERIAL      (1 << 1)
-#define SLCDC_NEW_CFG_FMT_CONV_EN       (1 << 0)
-
-/* SLCD Control Register */
-#define SLCDC_CTRL_TE_INV           	(1 << 9)
-#define SLCDC_CTRL_NOT_USE_TE           (1 << 8)
-#define SLCDC_CTRL_DCSI_SEL             (1 << 7)
-#define SLCDC_CTRL_MIPI_MODE            (1 << 6)
-#define SLCDC_CTRL_NEW_MODE             (1 << 5)
-#define SLCDC_CTRL_FAST_MODE            (1 << 4)
-#define SLCDC_CTRL_GATE_MASK            (1 << 3)
-#define SLCDC_CTRL_DMA_MODE             (1 << 2)
-#define SLCDC_CTRL_DMA_START            (1 << 1)
-#define SLCDC_CTRL_DMA_EN               (1 << 0)
-
-/* SLCD Status Register */
-#define SLCDC_STATE_BUSY                (1 << 0)
-
-/* SLCD Data Register */
-#define SLCDC_DATA_RS_DATA              (0 << 30)
-#define SLCDC_DATA_RS_COMMAND           (1 << 30)
-
-/*************************************************************************
- * LCDC (LCD Controller)
- *************************************************************************/
-
-#define LCDC_CFG    (LCDC0_BASE + 0x00)
-#define LCDC_CTRL   (LCDC0_BASE + 0x30)
-#define LCDC_STATE  (LCDC0_BASE + 0x34)
-#define LCDC_OSDC   (LCDC0_BASE + 0x100)
-#define LCDC_OSDCTRL    (LCDC0_BASE + 0x104)
-#define LCDC_OSDS   (LCDC0_BASE + 0x108)
-#define LCDC_BGC0   (LCDC0_BASE + 0x10C)
-#define LCDC_BGC1   (LCDC0_BASE + 0x2C4)
-#define LCDC_KEY0   (LCDC0_BASE + 0x110)
-#define LCDC_KEY1   (LCDC0_BASE + 0x114)
-#define LCDC_ALPHA  (LCDC0_BASE + 0x118)
-#define LCDC_RGBC   (LCDC0_BASE + 0x90)
-#define LCDC_VAT    (LCDC0_BASE + 0x0c)
-#define LCDC_DAH    (LCDC0_BASE + 0x10)
-#define LCDC_DAV    (LCDC0_BASE + 0x14)
-#define LCDC_XYP0   (LCDC0_BASE + 0x120)
-#define LCDC_XYP1   (LCDC0_BASE + 0x124)
-#define LCDC_SIZE0  (LCDC0_BASE + 0x128)
-#define LCDC_SIZE1  (LCDC0_BASE + 0x12C)
-#define LCDC_VSYNC  (LCDC0_BASE + 0x04)
-#define LCDC_HSYNC  (LCDC0_BASE + 0x08)
-#define LCDC_PS     (LCDC0_BASE + 0x18)
-#define LCDC_CLS    (LCDC0_BASE + 0x1c)
-#define LCDC_SPL    (LCDC0_BASE + 0x20)
-#define LCDC_REV    (LCDC0_BASE + 0x24)
-#define LCDC_IID    (LCDC0_BASE + 0x38)
-#define LCDC_DA0    (LCDC0_BASE + 0x40)
-#define LCDC_SA0    (LCDC0_BASE + 0x44)
-#define LCDC_FID0   (LCDC0_BASE + 0x48)
-#define LCDC_CMD0   (LCDC0_BASE + 0x4c)
-#define LCDC_DA1    (LCDC0_BASE + 0x50)
-#define LCDC_SA1    (LCDC0_BASE + 0x54)
-#define LCDC_FID1   (LCDC0_BASE + 0x58)
-#define LCDC_CMD1   (LCDC0_BASE + 0x5c)
-#define LCDC_OFFS0  (LCDC0_BASE + 0x60)
-#define LCDC_PW0    (LCDC0_BASE + 0x64)
-#define LCDC_CNUM0  (LCDC0_BASE + 0x68)
-#define LCDC_DESSIZE0   (LCDC0_BASE + 0x6C)
-#define LCDC_OFFS1  (LCDC0_BASE + 0x70)
-#define LCDC_PW1    (LCDC0_BASE + 0x74)
-#define LCDC_CNUM1  (LCDC0_BASE + 0x78)
-#define LCDC_DESSIZE1   (LCDC0_BASE + 0x7C)
-#define LCDC_PCFG   (LCDC0_BASE + 0x2C0)
-#define LCDC_CPOS1      (0x78)
-#define LCDC_DUAL_CTRL      (0x2c8)
-#define LCDC_ENH_CFG        (0x400)
-#define LCDC_ENH_CSCCFG     (0x404)
-#define LCDC_ENH_LUMACFG    (0x408)
-#define LCDC_ENH_CHROCFG0   (0x40c)
-#define LCDC_ENH_CHROCFG1   (0x410)
-#define LCDC_ENH_DITHERCFG  (0x414)
-#define LCDC_ENH_STATUS     (0x418)
-#define LCDC_ENH_GAMMA      (0x800)
-#define LCDC_ENH_VEE        (0x1000)
-
-/* LCD Configure Register */
-#define LCDC_CFG_LCDPIN_BIT 31
-#define LCDC_CFG_LCDPIN_MASK    (0x1 << LCDC_CFG_LCDPIN_BIT)
-#define LCDC_CFG_LCDPIN_LCD (0x0 << LCDC_CFG_LCDPIN_BIT)
-#define LCDC_CFG_LCDPIN_SLCD    (0x1 << LCDC_CFG_LCDPIN_BIT)
-#define LCDC_CFG_TVEPEH     (1 << 30)
-#define LCDC_CFG_NEWDES     (1 << 28)
-#define LCDC_CFG_PALBP      (1 << 27)
-#define LCDC_CFG_TVEN       (1 << 26)
-#define LCDC_CFG_RECOVER    (1 << 25)
-#define LCDC_CFG_PSM        (1 << 23)
-#define LCDC_CFG_CLSM       (1 << 22)
-#define LCDC_CFG_SPLM       (1 << 21)
-#define LCDC_CFG_REVM       (1 << 20)
-#define LCDC_CFG_HSYNM      (1 << 19)
-#define LCDC_CFG_PCLKM      (1 << 18)
-#define LCDC_CFG_INVDAT     (1 << 17)
-#define LCDC_CFG_SYNDIR_IN  (1 << 16)
-#define LCDC_CFG_PSP        (1 << 15)
-#define LCDC_CFG_CLSP       (1 << 14)
-#define LCDC_CFG_SPLP       (1 << 13)
-#define LCDC_CFG_REVP       (1 << 12)
-#define LCDC_CFG_HSP        (1 << 11)
-#define LCDC_CFG_PCP        (1 << 10)
-#define LCDC_CFG_DEP        (1 << 9)
-#define LCDC_CFG_VSP        (1 << 8)
-#define LCDC_CFG_MODE_TFT_18BIT     (1 << 7)
-#define LCDC_CFG_MODE_TFT_16BIT     (0 << 7)
-#define LCDC_CFG_MODE_TFT_24BIT     (1 << 6)
-#define LCDC_CFG_MODE_BIT   0
-#define LCDC_CFG_MODE_MASK  (0x0f << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_GENERIC_TFT   (0 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_SPECIAL_TFT_1 (1 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_SPECIAL_TFT_2 (2 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_SPECIAL_TFT_3 (3 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_NONINTER_CCIR656  (4 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_INTER_CCIR656 (6 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_SERIAL_TFT    (12 << LCDC_CFG_MODE_BIT)
-#define LCDC_CFG_MODE_LCM       (13 << LCDC_CFG_MODE_BIT)
-/* LCD Control Register */
-#define LCDC_CTRL_PINMD     (1 << 31)
-#define LCDC_CTRL_BST_BIT   28
-#define LCDC_CTRL_BST_MASK  (0x7 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_BST_4     (0 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_BST_8     (1 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_BST_16    (2 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_BST_32    (3 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_BST_64    (4 << LCDC_CTRL_BST_BIT)
-#define LCDC_CTRL_RGB565        (0 << 27)
-#define LCDC_CTRL_RGB555        (1 << 27)
-#define LCDC_CTRL_OFUP      (1 << 26)
-#define LCDC_CTRL_PDD_BIT   16
-#define LCDC_CTRL_PDD_MASK  (0xff << LCDC_CTRL_PDD_BIT)
-#define LCDC_CTRL_DACTE     (1 << 14)
-#define LCDC_CTRL_EOFM      (1 << 13)
-#define LCDC_CTRL_SOFM      (1 << 12)
-#define LCDC_CTRL_OFUM      (1 << 11)
-#define LCDC_CTRL_IFUM0     (1 << 10)
-#define LCDC_CTRL_IFUM1     (1 << 9)
-#define LCDC_CTRL_LDDM      (1 << 8)
-#define LCDC_CTRL_QDM       (1 << 7)
-#define LCDC_CTRL_BEDN      (1 << 6)
-#define LCDC_CTRL_PEDN      (1 << 5)
-#define LCDC_CTRL_DIS       (1 << 4)
-#define LCDC_CTRL_ENA       (1 << 3)
-#define LCDC_CTRL_BPP_BIT   0
-#define LCDC_CTRL_BPP_MASK  (0x07 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_1     (0 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_2     (1 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_4     (2 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_8     (3 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_16    (4 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_18_24 (5 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_CMPS_24   (6 << LCDC_CTRL_BPP_BIT)
-#define LCDC_CTRL_BPP_30    (7 << LCDC_CTRL_BPP_BIT)
-/* LCD Status Register */
-#define LCDC_STATE_QD       (1 << 7)
-#define LCDC_STATE_EOF      (1 << 5)
-#define LCDC_STATE_SOF      (1 << 4)
-#define LCDC_STATE_OFU      (1 << 3)
-#define LCDC_STATE_IFU0     (1 << 2)
-#define LCDC_STATE_IFU1     (1 << 1)
-#define LCDC_STATE_LDD      (1 << 0)
-/* OSD Configure Register */
-#define LCDC_OSDC_PREMULTI1     (1 << 23)
-#define LCDC_OSDC_COEF_SLE1_BIT     21
-#define LCDC_OSDC_COEF_SLE1_MASK    (0x03 << LCDC_OSDC_COEF_SLE1_BIT)
-#define LCDC_OSDC_COEF_SLE1_0       (0 << LCDC_OSDC_COEF_SLE1_BIT)
-#define LCDC_OSDC_COEF_SLE1_1       (1 << LCDC_OSDC_COEF_SLE1_BIT)
-#define LCDC_OSDC_COEF_SLE1_2       (2 << LCDC_OSDC_COEF_SLE1_BIT)
-#define LCDC_OSDC_COEF_SLE1_3       (3 << LCDC_OSDC_COEF_SLE1_BIT)
-#define LCDC_OSDC_PREMULTI0     (1 << 20)
-#define LCDC_OSDC_COEF_SLE0_BIT     18
-#define LCDC_OSDC_COEF_SLE0_MASK    (0x03 << LCDC_OSDC_COEF_SLE0_BIT)
-#define LCDC_OSDC_COEF_SLE0_0       (0 << LCDC_OSDC_COEF_SLE0_BIT)
-#define LCDC_OSDC_COEF_SLE0_1       (1 << LCDC_OSDC_COEF_SLE0_BIT)
-#define LCDC_OSDC_COEF_SLE0_2       (2 << LCDC_OSDC_COEF_SLE0_BIT)
-#define LCDC_OSDC_COEF_SLE0_3       (3 << LCDC_OSDC_COEF_SLE0_BIT)
-#define LCDC_OSDC_ALPHAMD1      (1 << 17)
-#define LCDC_OSDC_SOFM1     (1 << 15)
-#define LCDC_OSDC_EOFM1     (1 << 14)
-#define LCDC_OSDC_SOFM0     (1 << 11)
-#define LCDC_OSDC_EOFM0     (1 << 10)
-#define LCDC_OSDC_DENDM     (1 << 9)
-#define LCDC_OSDC_F1EN      (1 << 4)
-#define LCDC_OSDC_F0EN      (1 << 3)
-#define LCDC_OSDC_ALPHAEN   (1 << 2)
-#define LCDC_OSDC_ALPHAMD0  (1 << 1)
-#define LCDC_OSDC_OSDEN     (1 << 0)
-/* OSD Controll Register */
-#define LCDC_OSDCTRL_IPU_CLKEN  (1 << 15)
-#define LCDC_OSDCTRL_RGB0_RGB565    (0 << 5)
-#define LCDC_OSDCTRL_RGB0_RGB555    (1 << 5)
-#define LCDC_OSDCTRL_RGB1_RGB565    (0 << 4)
-#define LCDC_OSDCTRL_RGB1_RGB555    (1 << 4)
-#define LCDC_OSDCTRL_BPP_BIT    0
-#define LCDC_OSDCTRL_BPP_MASK   (0x7<<LCDC_OSDCTRL_BPP_BIT)
-#define LCDC_OSDCTRL_BPP_15_16  (4 << LCDC_OSDCTRL_BPP_BIT)
-#define LCDC_OSDCTRL_BPP_18_24  (5 << LCDC_OSDCTRL_BPP_BIT)
-#define LCDC_OSDCTRL_BPP_CMPS_24    (6 << LCDC_OSDCTRL_BPP_BIT)
-#define LCDC_OSDCTRL_BPP_30     (7 << LCDC_OSDCTRL_BPP_BIT)
-/* OSD State Register */
-#define LCDC_OSDS_SOF1      (1 << 15)
-#define LCDC_OSDS_EOF1      (1 << 14)
-#define LCDC_OSDS_SOF0      (1 << 11)
-#define LCDC_OSDS_EOF0      (1 << 10)
-#define LCDC_OSDS_DEND      (1 << 8)
-/* Background 0 or Background 1 Color Register */
-#define LCDC_BGC_RED_OFFSET 16
-#define LCDC_BGC_RED_MASK   (0xFF << LCDC_BGC_RED_OFFSET)
-#define LCDC_BGC_GREEN_OFFSET    8
-#define LCDC_BGC_GREEN_MASK (0xFF << LCDC_BGC_GREEN_OFFSET)
-#define LCDC_BGC_BLUE_OFFSET    0
-#define LCDC_BGC_BLUE_MASK  (0xFF << LCDC_BGC_BLUE_OFFSET)
-/* Foreground 0 or Foreground 1 Color Key Register */
-#define LCDC_KEY_KEYEN      (1 << 31)
-#define LCDC_KEY_KEYMD      (1 << 30)
-#define LCDC_KEY_RED_OFFSET 16
-#define LCDC_KEY_RED_MASK   (0xFF << LCDC_KEY_RED_OFFSET)
-#define LCDC_KEY_GREEN_OFFSET   8
-#define LCDC_KEY_GREEN_MASK (0xFF << LCDC_KEY_GREEN_OFFSET)
-#define LCDC_KEY_BLUE_OFFSET    0
-#define LCDC_KEY_BLUE_MASK  (0xFF << LCDC_KEY_BLUE_OFFSET)
-#define LCDC_KEY_MASK       (LCDC_KEY_RED_MASK | LCDC_KEY_GREEN_MASK\
-/* ALPHA Register */
-#define LCDC_ALPHA1_OFFSET  8
-#define LCDC_ALPHA1_MASK        (0xFF << LCDC_ALPHA1_OFFSET)
-#define LCDC_ALPHA0_OFFSET  0
-#define LCDC_ALPHA0_MASK        (0xFF << LCDC_ALPHA0_OFFSET)
-/* IPU Restart Register */
-#define LCDC_IPUR_IPUREN        (1 << 31)
-#define LCDC_IPUR_IPURMASK  (0xFFFFFF)
-/* RGB Control Register */
-#define LCDC_RGBC_RGBDM     (1 << 15)
-#define LCDC_RGBC_DMM       (1 << 14)
-#define LCDC_RGBC_RGBFMT    (1 << 7)
-#define LCDC_RGBC_ODDRGB_BIT    4
-#define LCDC_RGBC_ODDRGB_MASK   (0x7 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_RGB   (0 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_RBG   (1 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_GRB   (2 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_GBR   (3 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_BRG   (4 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_ODD_BGR   (5 << LCDC_RGBC_ODDRGB_BIT)
-#define LCDC_RGBC_EVENRGB_BIT   0
-#define LCDC_RGBC_EVENRGB_MASK  (0x7<<LCDC_RGBC_EVENRGB_BIT)
-#define LCDC_RGBC_EVEN_RGB  0
-#define LCDC_RGBC_EVEN_RBG  1
-#define LCDC_RGBC_EVEN_GRB  2
-#define LCDC_RGBC_EVEN_GBR  3
-#define LCDC_RGBC_EVEN_BRG  4
-#define LCDC_RGBC_EVEN_BGR  5
-/* Vertical Synchronize Register */
-#define LCDC_VSYNC_VPS_BIT  16
-#define LCDC_VSYNC_VPS_MASK (0xfff << LCDC_VSYNC_VPS_BIT)
-#define LCDC_VSYNC_VPE_BIT  0
-#define LCDC_VSYNC_VPE_MASK (0xfff << LCDC_VSYNC_VPE_BIT)
-/* Horizontal Synchronize Register */
-#define LCDC_HSYNC_HPS_BIT  16
-#define LCDC_HSYNC_HPS_MASK (0xfff << LCDC_HSYNC_HPS_BIT)
-#define LCDC_HSYNC_HPE_BIT  0
-#define LCDC_HSYNC_HPE_MASK (0xfff << LCDC_HSYNC_HPE_BIT)
-/* Virtual Area Setting Register */
-#define LCDC_VAT_HT_BIT     16
-#define LCDC_VAT_HT_MASK        (0xfff << LCDC_VAT_HT_BIT)
-#define LCDC_VAT_VT_BIT     0
-#define LCDC_VAT_VT_MASK        (0xfff << LCDC_VAT_VT_BIT)
-/* Display Area Horizontal Start/End Point Register */
-#define LCDC_DAH_HDS_BIT        16
-#define LCDC_DAH_HDS_MASK   (0xfff << LCDC_DAH_HDS_BIT)
-#define LCDC_DAH_HDE_BIT        0
-#define LCDC_DAH_HDE_MASK   (0xfff << LCDC_DAH_HDE_BIT)
-/* Display Area Vertical Start/End Point Register */
-#define LCDC_DAV_VDS_BIT        16
-#define LCDC_DAV_VDS_MASK   (0xfff << LCDC_DAV_VDS_BIT)
-#define LCDC_DAV_VDE_BIT        0
-#define LCDC_DAV_VDE_MASK   (0xfff << LCDC_DAV_VDE_BIT)
-/* Foreground 0 or Foreground 1 XY Position Register */
-#define LCDC_XYP_YPOS_BIT   16
-#define LCDC_XYP_YPOS_MASK  (0xfff << LCDC_XYP_YPOS_BIT)
-#define LCDC_XYP_XPOS_BIT   0
-#define LCDC_XYP_XPOS_MASK  (0xfff << LCDC_XYP_XPOS_BIT)
-/* Foreground 0 or Foreground 1 Size Register */
-#define LCDC_SIZE_HEIGHT_BIT    16
-#define LCDC_SIZE_HEIGHT_MASK   (0xfff << LCDC_SIZE_HEIGHT_BIT)
-#define LCDC_SIZE_WIDTH_BIT 0
-#define LCDC_SIZE_WIDTH_MASK    (0xfff << LCDC_SIZE_WIDTH_BIT)
-/* PS Signal Setting */
-#define LCDC_PS_PSS_BIT     16
-#define LCDC_PS_PSS_MASK        (0xfff << LCDC_PS_PSS_BIT)
-#define LCDC_PS_PSE_BIT     0
-#define LCDC_PS_PSE_MASK        (0xfff << LCDC_PS_PSE_BIT)
-/* CLS Signal Setting */
-#define LCDC_CLS_CLSS_BIT   16
-#define LCDC_CLS_CLSS_MASK  (0xfff << LCDC_CLS_CLSS_BIT)
-#define LCDC_CLS_CLSE_BIT   0
-#define LCDC_CLS_CLSE_MASK  (0xfff << LCDC_CLS_CLSE_BIT)
-/* SPL Signal Setting */
-#define LCDC_SPL_SPLS_BIT   16
-#define LCDC_SPL_SPLS_MASK  (0xfff << LCDC_SPL_SPLS_BIT)
-#define LCDC_SPL_SPLE_BIT   0
-#define LCDC_SPL_SPLE_MASK  (0xfff << LCDC_SPL_SPLE_BIT)
-/* REV Signal Setting */
-#define LCDC_REV_REVS_BIT   16
-#define LCDC_REV_REVS_MASK  (0xfff << LCDC_REV_REVS_BIT)
-/* DMA Command 0 or 1 Register */
-#define LCDC_CMD_SOFINT     (1 << 31)
-#define LCDC_CMD_EOFINT     (1 << 30)
-#define LCDC_CMD_CMD        (1 << 29)
-#define LCDC_CMD_PAL        (1 << 28)
-#define LCDC_CMD_COMPEN     (1 << 27)
-#define LCDC_CMD_FRM_EN     (1 << 26)
-#define LCDC_CMD_FIELD_SEL  (1 << 25)
-#define LCDC_CMD_16X16BLOCK (1 << 24)
-#define LCDC_CMD_LEN_BIT        0
-#define LCDC_CMD_LEN_MASK   (0xffffff << LCDC_CMD_LEN_BIT)
-/* DMA Offsize Register 0,1 */
-#define LCDC_OFFS_BIT       0
-#define LCDC_OFFS_OFFSIZE_MASK  (0xffffff << LCDC_OFFS_BIT)
-/* DMA Page Width Register 0,1 */
-#define LCDC_PW_BIT     0
-#define LCDC_PW_PAGEWIDTH_MASK  (0xffffff << LCDC_PW_BIT)
-/* DMA Command Counter Register 0,1 */
-#define LCDC_CNUM_BIT        0
-#define LCDC_CNUM_CNUM_MASK (0xff << LCDC_CNUM_BIT)
-#define LCDC_CPOS_ALPHAMD1  (1 << 31)
-#define LCDC_CPOS_RGB_RGB565    (0 << 30)
-#define LCDC_CPOS_RGB_RGB555    (1 << 30)
-#define LCDC_CPOS_BPP_BIT   27
-#define LCDC_CPOS_BPP_MASK  (0x07 << LCDC_CPOS_BPP_BIT)
-#define LCDC_CPOS_BPP_16    (4 << LCDC_CPOS_BPP_BIT)
-#define LCDC_CPOS_BPP_18_24 (5 << LCDC_CPOS_BPP_BIT)
-#define LCDC_CPOS_BPP_CMPS_24   (6 << LCDC_CPOS_BPP_BIT)
-#define LCDC_CPOS_BPP_30    (7 << LCDC_CPOS_BPP_BIT)
-#define LCDC_CPOS_PREMULTI  (1 << 26)
-#define LCDC_CPOS_COEF_SLE_BIT  24
-#define LCDC_CPOS_COEF_SLE_MASK (0x3 << LCDC_CPOS_COEF_SLE_BIT)
-#define LCDC_CPOS_COEF_SLE_0    (0 << LCDC_CPOS_COEF_SLE_BIT)
-#define LCDC_CPOS_COEF_SLE_1    (1 << LCDC_CPOS_COEF_SLE_BIT)
-#define LCDC_CPOS_COEF_SLE_2    (2 << LCDC_CPOS_COEF_SLE_BIT)
-#define LCDC_CPOS_COEF_SLE_3    (3 << LCDC_CPOS_COEF_SLE_BIT)
-#define LCDC_CPOS_YPOS_BIT  12
-#define LCDC_CPOS_YPOS_MASK (0xfff << LCDC_CPOS_YPOS_BIT)
-#define LCDC_CPOS_XPOS_BIT  0
-#define LCDC_CPOS_XPOS_MASK (0xfff << LCDC_CPOS_XPOS_BIT)
-/* Foreground 0,1 Size Register */
-#define LCDC_DESSIZE_ALPHA_BIT  24
-#define LCDC_DESSIZE_ALPHA_MASK (0xff << LCDC_DESSIZE_ALPHA_BIT)
-#define LCDC_DESSIZE_HEIGHT_BIT 12
-#define LCDC_DESSIZE_HEIGHT_MASK    (0xfff << LCDC_DESSIZE_HEIGHT_BIT)
-#define LCDC_DESSIZE_WIDTH_BIT  0
-#define LCDC_DESSIZE_WIDTH_MASK (0xfff << LCDC_DESSIZE_WIDTH_BIT)
-/* Priority level threshold configure Register */
-#define LCDC_PCFG_LCDC_PRI_MD   (1 << 31)
-#define LCDC_PCFG_HP_BST_BIT    28
-#define LCDC_PCFG_HP_BST_MASK   (0x7 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_4  (0 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_8  (1 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_16 (2 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_32 (3 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_C16    (5 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_64 (4 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_HP_BST_DIS    (7 << LCDC_PCFG_HP_BST_BIT)
-#define LCDC_PCFG_PCFG2_BIT 18
-#define LCDC_PCFG_PCFG2_MASK    (0x1ff << LCDC_PCFG_PCFG2_BIT)
-#define LCDC_PCFG_PCFG1_BIT 9
-#define LCDC_PCFG_PCFG1_MASK    (0x1ff << LCDC_PCFG_PCFG1_BIT)
-#define LCDC_PCFG_PCFG0_BIT 0
-#define LCDC_PCFG_PCFG0_MASK    (0x1ff << LCDC_PCFG_PCFG0_BIT)
-/* Dual LCDC Channel Control register */
-#define LCDC_DUAL_CTRL_IPU_WR_SEL   (1 << 8)
-#define LCDC_DUAL_CTRL_TFT_SEL      (1 << 6)
-#define LCDC_DUAL_CTRL_PRI_IPU_EN   (1 << 5)
-#define LCDC_DUAL_CTRL_PRI_IPU_BIT  3
-#define LCDC_DUAL_CTRL_PRI_IPU_MASK (0x3 << LCDC_DUAL_CTRL_PRI_IPU_BIT)
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _X1000_SLCDC_H_ */
diff --git a/libcpu/mips/xburst/SConscript b/libcpu/mips/xburst/SConscript
deleted file mode 100644
index 0f06c299bb..0000000000
--- a/libcpu/mips/xburst/SConscript
+++ /dev/null
@@ -1,11 +0,0 @@
-# RT-Thread building script for component
-
-from building import *
-
-cwd = GetCurrentDir()
-src = Glob('*.c') + Glob('*.S')
-CPPPATH = [cwd]
-
-group = DefineGroup('CPU', src, depend = [''], CPPPATH = CPPPATH)
-
-Return('group')
diff --git a/libcpu/mips/xburst/cache.c b/libcpu/mips/xburst/cache.c
deleted file mode 100644
index cd37f69993..0000000000
--- a/libcpu/mips/xburst/cache.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * File      : cache.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
-*/
-
-#include "../xburst/cache.h"
-
-#include <board.h>
-
-#define CACHE_SIZE              16*1024
-#define CACHE_LINE_SIZE         32
-#define KSEG0                   0x80000000
-
-#define K0_TO_K1()              \
-do {                        \
-    unsigned long __k0_addr;        \
-                        \
-    __asm__ __volatile__(           \
-    "la %0, 1f\n\t"             \
-    "or %0, %0, %1\n\t"         \
-    "jr %0\n\t"             \
-    "nop\n\t"               \
-    "1: nop\n"              \
-    : "=&r"(__k0_addr)          \
-    : "r" (0x20000000) );           \
-} while(0)
-
-#define K1_TO_K0()              \
-do {                        \
-    unsigned long __k0_addr;        \
-    __asm__ __volatile__(           \
-    "nop;nop;nop;nop;nop;nop;nop\n\t"   \
-    "la %0, 1f\n\t"             \
-    "jr %0\n\t"             \
-    "nop\n\t"               \
-    "1: nop\n"              \
-    : "=&r" (__k0_addr));           \
-} while (0)
-
-#define INVALIDATE_BTB()            \
-do {                        \
-    unsigned long tmp;          \
-    __asm__ __volatile__(           \
-    ".set mips32\n\t"           \
-    "mfc0 %0, $16, 7\n\t"           \
-    "nop\n\t"               \
-    "ori %0, 2\n\t"             \
-    "mtc0 %0, $16, 7\n\t"           \
-    "nop\n\t"               \
-    ".set mips2\n\t"            \
-    : "=&r" (tmp));             \
-} while (0)
-
-#define SYNC_WB() __asm__ __volatile__ ("sync")
-
-#define cache_op(op,addr)                       \
-    __asm__ __volatile__(                       \
-    "   .set    noreorder       \n"         \
-    "   .set    mips32\n\t      \n"         \
-    "   cache   %0, %1          \n"         \
-    "   .set    mips0           \n"         \
-    "   .set    reorder"                    \
-    :                                       \
-    : "i" (op), "m" (*(unsigned char *)(addr)))
-
-void __icache_invalidate_all(void)
-{
-    unsigned int i;
-
-    K0_TO_K1();
-
-    asm volatile (".set noreorder\n"
-              ".set mips32\n\t"
-              "mtc0\t$0,$28\n\t"
-              "mtc0\t$0,$29\n"
-              ".set mips0\n"
-              ".set reorder\n");
-    for (i=KSEG0;i<KSEG0+CACHE_SIZE;i+=CACHE_LINE_SIZE)
-        cache_op(Index_Store_Tag_I, i);
-
-    K1_TO_K0();
-
-    INVALIDATE_BTB();
-}
-
-void __dcache_writeback_all(void)
-{
-    unsigned int i;
-
-    for (i=KSEG0;i<KSEG0+CACHE_SIZE;i+=CACHE_LINE_SIZE)
-        cache_op(Index_Writeback_Inv_D, i);
-
-    SYNC_WB();
-}
-
-void rt_hw_cache_init(void)
-{
-    __dcache_writeback_all();
-    __icache_invalidate_all();
-}
-
diff --git a/libcpu/mips/xburst/cache.h b/libcpu/mips/xburst/cache.h
deleted file mode 100644
index c0f8a1f424..0000000000
--- a/libcpu/mips/xburst/cache.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * File      : cache.h
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
-*/
-
-#ifndef __CACHE_H__
-#define __CACHE_H__
-
-/*
- * Cache Operations
- */
-#define Index_Invalidate_I          0x00
-#define Index_Writeback_Inv_D    0x01
-#define Index_Invalidate_SI         0x02
-#define Index_Writeback_Inv_SD  0x03
-#define Index_Load_Tag_I        0x04
-#define Index_Load_Tag_D        0x05
-#define Index_Load_Tag_SI       0x06
-#define Index_Load_Tag_SD       0x07
-#define Index_Store_Tag_I       0x08
-#define Index_Store_Tag_D       0x09
-#define Index_Store_Tag_SI      0x0A
-#define Index_Store_Tag_SD      0x0B
-#define Create_Dirty_Excl_D     0x0d
-#define Create_Dirty_Excl_SD        0x0f
-#define Hit_Invalidate_I            0x10
-#define Hit_Invalidate_D            0x11
-#define Hit_Invalidate_SI           0x12
-#define Hit_Invalidate_SD           0x13
-#define Fill                        0x14
-#define Hit_Writeback_Inv_D     0x15
-/* 0x16 is unused */
-#define Hit_Writeback_Inv_SD        0x17
-#define Hit_Writeback_I         0x18
-#define Hit_Writeback_D         0x19
-/* 0x1a is unused */
-#define Hit_Writeback_SD            0x1b
-/* 0x1c is unused */
-/* 0x1e is unused */
-#define Hit_Set_Virtual_SI      0x1e
-#define Hit_Set_Virtual_SD      0x1f
-
-void rt_hw_cache_init(void);
-
-#endif
diff --git a/libcpu/mips/xburst/cache_gcc.S b/libcpu/mips/xburst/cache_gcc.S
deleted file mode 100644
index a8d215764c..0000000000
--- a/libcpu/mips/xburst/cache_gcc.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-17     swkyer       first version
- * 2019-07-19     Zhou Yanjie  clean up code
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips_def.h"
-#include "../common/mipsregs.h"
-#include "../common/stackframe.h"
-
-    .text
-    .set noreorder
-
-    .globl  cache_init
-    .ent    cache_init
-cache_init:
-    .set    noreorder
-    mtc0    zero, CP0_TAGLO
-    move    t0, a0                  // cache total size
-    move    t1, a1                  // cache line size
-    li      t2, 0x80000000
-    addu    t3, t0, t2
-
-_cache_init_loop:
-    cache   8, 0(t2)                // icache_index_store_tag
-    cache   9, 0(t2)                // dcache_index_store_tag
-    addu    t2, t1
-    bne     t2, t3, _cache_init_loop
-    nop
-
-    mfc0    t0, CP0_CONFIG
-    li      t1, 0x7
-    not     t1
-    and     t0, t0, t1
-    or      t0, 0x3                 // cacheable, noncoherent, write-back, write allocate
-    mtc0    t0, CP0_CONFIG
-
-    jr      ra
-    nop
-
-    .set    reorder
-    .end    cache_init
diff --git a/libcpu/mips/xburst/context_gcc.S b/libcpu/mips/xburst/context_gcc.S
deleted file mode 100644
index a44d3bdcc7..0000000000
--- a/libcpu/mips/xburst/context_gcc.S
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-17     swkyer       first version
- * 2010-09-11     bernard      port to JZ4755
- * 2019-07-19     Zhou Yanjie  clean up code
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips_def.h"
-#include "../common/stackframe.h"
-#include "stack.h"
-
-    .section ".text", "ax"
-    .set noreorder
-
-/*
- * rt_base_t rt_hw_interrupt_disable()
- */
-    .globl rt_hw_interrupt_disable
-rt_hw_interrupt_disable:
-    mfc0    v0, CP0_STATUS
-    and     v1, v0, 0xfffffffe
-    mtc0    v1, CP0_STATUS
-    jr      ra
-    nop
-
-/*
- * void rt_hw_interrupt_enable(rt_base_t level)
- */
-    .globl rt_hw_interrupt_enable
-rt_hw_interrupt_enable:
-    mtc0    a0, CP0_STATUS
-    jr      ra
-    nop
-
-/*
- * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to)
- * a0 --> from
- * a1 --> to
- */
-    .globl rt_hw_context_switch
-rt_hw_context_switch:
-    mtc0    ra, CP0_EPC
-    SAVE_ALL
-
-    sw      sp, 0(a0)       /* store sp in preempted tasks TCB */
-    lw      sp, 0(a1)       /* get new task stack pointer */
-
-    RESTORE_ALL_AND_RET
-
-/*
- * void rt_hw_context_switch_to(rt_uint32 to)/*
- * a0 --> to
- */
-    .globl rt_hw_context_switch_to
-rt_hw_context_switch_to:
-    lw      sp, 0(a0)       /* get new task stack pointer */
-
-    RESTORE_ALL_AND_RET
-
-/*
- * void rt_hw_context_switch_interrupt(rt_uint32 from, rt_uint32 to)/*
- */
-    .globl rt_thread_switch_interrupt_flag
-    .globl rt_interrupt_from_thread
-    .globl rt_interrupt_to_thread
-    .globl rt_hw_context_switch_interrupt
-rt_hw_context_switch_interrupt:
-    la      t0, rt_thread_switch_interrupt_flag
-    lw      t1, 0(t0)
-    nop
-    bnez    t1, _reswitch
-    nop
-    li      t1, 0x01                       /* set rt_thread_switch_interrupt_flag to 1 */
-    sw      t1, 0(t0)
-    la      t0, rt_interrupt_from_thread   /* set rt_interrupt_from_thread */
-    sw      a0, 0(t0)
-_reswitch:
-    la      t0, rt_interrupt_to_thread     /* set rt_interrupt_to_thread */
-    sw      a1, 0(t0)
-    jr      ra
-    nop
-
-    .globl system_dump
-
-/*
- * void rt_hw_context_switch_interrupt_do(rt_base_t flag)
- */
-    .globl rt_interrupt_enter
-    .globl rt_interrupt_leave
-    .globl mips_irq_handle
-mips_irq_handle:
-    SAVE_ALL
-
-    mfc0    t0, CP0_CAUSE
-    mfc0    t1, CP0_STATUS
-    and     t0, t1
-
-    andi    t0, 0xff00
-    beqz    t0, spurious_interrupt
-    nop
-
-    /* let k0 keep the current context sp */
-    move    k0, sp 
-    /* switch to kernel stack */
-    li      sp, SYSTEM_STACK
-
-    jal     rt_interrupt_enter
-    nop
-    jal     rt_interrupt_dispatch
-    nop
-    jal     rt_interrupt_leave
-    nop
-
-    /* switch sp back to thread's context */
-    move    sp, k0
-
-    /*
-     * if rt_thread_switch_interrupt_flag set, jump to
-     * rt_hw_context_switch_interrupt_do and don't return
-     */
-    la      k0, rt_thread_switch_interrupt_flag
-    lw      k1, 0(k0)
-    beqz    k1, spurious_interrupt
-    nop
-    sw      zero, 0(k0)                     /* clear flag */
-    nop
-
-    /*
-     * switch to the new thread
-     */
-    la      k0, rt_interrupt_from_thread
-    lw      k1, 0(k0)
-    nop
-    sw      sp, 0(k1)                       /* store sp in preempted tasks's TCB */
-
-    la      k0, rt_interrupt_to_thread
-    lw      k1, 0(k0)
-    nop
-    lw      sp, 0(k1)                       /* get new task's stack pointer */
-    j       spurious_interrupt
-    nop
-
-spurious_interrupt:
-    RESTORE_ALL_AND_RET
-
-    .set reorder
diff --git a/libcpu/mips/xburst/cpu.c b/libcpu/mips/xburst/cpu.c
deleted file mode 100644
index 88137535d9..0000000000
--- a/libcpu/mips/xburst/cpu.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * File      : cpu.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-07-09     Bernard      first version
- * 2010-09-11     Bernard      add CPU reset implementation
- */
-#include <rtthread.h>
-#include <board.h>
-
-/**
- * @addtogroup Ingenic
- */
-/*@{*/
-
-/**
- * this function will reset CPU
- *
- */
-void rt_hw_cpu_reset()
-{
-    /* open the watch-dog */
-    REG_WDT_TCSR  = WDT_TCSR_EXT_EN;
-    REG_WDT_TCSR |= WDT_TCSR_PRESCALE_1024;
-    REG_WDT_TDR   = 0x03;
-    REG_WDT_TCNT  = 0x00;
-    REG_WDT_TCER |= WDT_TCER_TCEN;
-
-    rt_kprintf("reboot system...\n");
-    while (1);
-}
-
-/**
- * this function will shutdown CPU
- *
- */
-void rt_hw_cpu_shutdown()
-{
-    rt_kprintf("shutdown...\n");
-
-    while (1);
-}
-
-/**
- * This function finds the first bit set (beginning with the least significant bit)
- * in value and return the index of that bit.
- *
- * Bits are numbered starting at 1 (the least significant bit).  A return value of
- * zero from any of these functions means that the argument was zero.
- *
- * @return return the index of the first bit set. If value is 0, then this function
- * shall return 0.
- */
-int __rt_ffs(int value)
-{
-    return __builtin_ffs(value);
-}
-
-/*@}*/
diff --git a/libcpu/mips/xburst/exception.c b/libcpu/mips/xburst/exception.c
deleted file mode 100644
index aebdf704ea..0000000000
--- a/libcpu/mips/xburst/exception.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * File      : exception.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-17     swkyer       first version
- */
-#include <rtthread.h>
-#include <rthw.h>
-#include "../common/exception.h"
-#include "../common/mipsregs.h"
-
-/**
- * @addtogroup Ingenic
- */
-/*@{*/
-
-/**
- * exception handle table
- */
-exception_func_t sys_exception_handlers[33];
-
-/**
- * setup the exception handle
- */
-exception_func_t rt_set_except_vector(int n, exception_func_t func)
-{
-    exception_func_t old_handler = sys_exception_handlers[n];
-
-    if ((n == 0) || (n > 32) || (!func))
-    {
-        return 0;
-    }
-
-    sys_exception_handlers[n] = func;
-
-    return old_handler;
-}
-
-void tlb_refill_handler(void)
-{
-    rt_kprintf("tlb-miss happens, epc: 0x%08x\n", read_c0_epc());
-    rt_hw_cpu_shutdown();
-}
-
-void cache_error_handler(void)
-{
-    rt_kprintf("cache exception happens, epc: 0x%08x\n", read_c0_epc());
-    rt_hw_cpu_shutdown();
-}
-
-static void unhandled_exception_handle(pt_regs_t *regs)
-{
-    rt_kprintf("exception happens, epc: 0x%08x\n", regs->cp0_epc);
-}
-
-void install_default_execpt_handle(void)
-{
-    rt_int32_t i;
-
-    for (i=0; i<33; i++)
-        sys_exception_handlers[i] = (exception_func_t)unhandled_exception_handle;
-}
-
-/*@}*/
-
diff --git a/libcpu/mips/xburst/interrupt.c b/libcpu/mips/xburst/interrupt.c
deleted file mode 100644
index 337646c735..0000000000
--- a/libcpu/mips/xburst/interrupt.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * File      : interrupt.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * 2010-07-09     Bernard      first version
- * 2013-03-29     aozima       Modify the interrupt interface implementations.
- */
-
-#include <rtthread.h>
-#include <rthw.h>
-#include <board.h>
-
-#if defined(RT_USING_JZ4770) || defined(RT_USING_JZ4775) || defined(RT_USING_JZ_M150) || defined(RT_USING_JZ_X1000)
-#define INTERRUPTS_MAX 64
-#else
-#define INTERRUPTS_MAX 32
-#endif
-
-extern rt_uint32_t rt_interrupt_nest;
-rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
-rt_uint32_t rt_thread_switch_interrupt_flag;
-
-static struct rt_irq_desc isr_table[INTERRUPTS_MAX];
-
-/**
- * @addtogroup Ingenic
- */
-/*@{*/
-
-static void rt_hw_interrupt_handler(int vector, void *param)
-{
-    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
-}
-
-/**
- * This function will initialize hardware interrupt
- */
-void rt_hw_interrupt_init(void)
-{
-    rt_int32_t idx;
-
-    rt_memset(isr_table, 0x00, sizeof(isr_table));
-    for (idx = 0; idx < INTERRUPTS_MAX; idx ++)
-    {
-        isr_table[idx].handler = rt_hw_interrupt_handler;
-    }
-
-    /* init interrupt nest, and context in thread sp */
-    rt_interrupt_nest               = 0;
-    rt_interrupt_from_thread        = 0;
-    rt_interrupt_to_thread          = 0;
-    rt_thread_switch_interrupt_flag = 0;
-}
-
-/**
- * This function will mask a interrupt.
- * @param vector the interrupt number
- */
-void rt_hw_interrupt_mask(int vector)
-{
-    /* mask interrupt */
-    __intc_mask_irq(vector);
-}
-
-/**
- * This function will un-mask a interrupt.
- * @param vector the interrupt number
- */
-void rt_hw_interrupt_umask(int vector)
-{
-    __intc_unmask_irq(vector);
-}
-
-/**
- * This function will install a interrupt service routine to a interrupt.
- * @param vector the interrupt number
- * @param handler the interrupt service routine to be installed
- * @param param the interrupt service function parameter
- * @param name the interrupt name
- * @return old handler
- */
-rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
-        void *param, const char *name)
-{
-    rt_isr_handler_t old_handler = RT_NULL;
-
-    if(vector < INTERRUPTS_MAX)
-    {
-        old_handler = isr_table[vector].handler;
-
-#ifdef RT_USING_INTERRUPT_INFO
-        rt_strncpy(isr_table[vector].name, name, RT_NAME_MAX);
-#endif /* RT_USING_INTERRUPT_INFO */
-        isr_table[vector].handler = handler;
-        isr_table[vector].param = param;
-    }
-
-    return old_handler;
-}
-
-#if  defined(RT_USING_JZ4770) || defined(RT_USING_JZ4775) || defined(RT_USING_JZ_M150) || defined(RT_USING_JZ_X1000)
-/*
- * fls - find last bit set.
- * @word: The word to search
- *
- * This is defined the same way as ffs.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
- */
-rt_inline int fls(int x)
-{
-    __asm__("clz %0, %1" : "=r" (x) : "r" (x));
-
-    return 32 - x;
-}
-#endif
-
-#include <mipsregs.h>
-
-void rt_interrupt_dispatch(void *ptreg)
-{
-    int i;
-    void *param;
-    rt_isr_handler_t irq_func;
-
-#if  defined(RT_USING_JZ4770) || defined(RT_USING_JZ4775) || defined(RT_USING_JZ_M150) || defined(RT_USING_JZ_X1000)
-    int irq = 0, group;
-    rt_uint32_t intc_ipr0 = 0, intc_ipr1 = 0, vpu_pending = 0;
-
-    rt_uint32_t c0_status, c0_cause;
-    rt_uint32_t pending_im;
-
-    /* check os timer */
-    c0_status = read_c0_status();
-    c0_cause = read_c0_cause();
-
-    pending_im = (c0_cause & ST0_IM) & (c0_status & ST0_IM);
-
-    if (pending_im & CAUSEF_IP3)
-    {
-        extern void rt_hw_ost_handler(void);
-        rt_hw_ost_handler();
-        return;
-    }
-
-    if (pending_im & CAUSEF_IP2)
-    {
-        intc_ipr0 = REG_INTC_IPR(0);
-        intc_ipr1 = REG_INTC_IPR(1);
-
-        if (intc_ipr0)
-        {
-            irq = fls(intc_ipr0) - 1;
-            intc_ipr0 &= ~(1<<irq);
-        }
-        else if(intc_ipr1)
-        {
-            irq = fls(intc_ipr1) - 1;
-            intc_ipr1 &= ~(1<<irq);
-            irq += 32;
-        }
-#ifndef RT_USING_JZ_X1000 /* X1000 has no VPU */
-        else
-        {
-            __asm__ __volatile__ (
-                "mfc0  %0, $13,  0   \n\t"
-                "nop                  \n\t"
-                :"=r"(vpu_pending)
-                :);
-
-            if(vpu_pending & 0x800)
-                irq = IRQ_VPU;
-            else
-                return;
-        }
-#endif
-
-        if (irq >= INTERRUPTS_MAX)
-            rt_kprintf("max interrupt, irq=%d\n", irq);
-
-        /* do interrupt */
-        irq_func = isr_table[irq].handler;
-        param = isr_table[irq].param;
-        (*irq_func)(irq, param);
-
-#ifdef RT_USING_INTERRUPT_INFO
-        isr_table[i].counter++;
-#endif /* RT_USING_INTERRUPT_INFO */
-
-        /* ack interrupt */
-        __intc_ack_irq(irq);
-    }
-
-    if (pending_im & CAUSEF_IP0)
-        rt_kprintf("CAUSEF_IP0\n");
-    if (pending_im & CAUSEF_IP1)
-        rt_kprintf("CAUSEF_IP1\n");
-    if (pending_im & CAUSEF_IP4)
-        rt_kprintf("CAUSEF_IP4\n");
-    if (pending_im & CAUSEF_IP5)
-        rt_kprintf("CAUSEF_IP5\n");
-    if (pending_im & CAUSEF_IP6)
-        rt_kprintf("CAUSEF_IP6\n");
-    if (pending_im & CAUSEF_IP7)
-        rt_kprintf("CAUSEF_IP7\n");
-#else
-    static rt_uint32_t pending = 0;
-
-    /* the hardware interrupt */
-    pending |= REG_INTC_IPR;
-    if (!pending) return;
-
-    for (i = INTERRUPTS_MAX; i > 0; --i)
-    {
-        if ((pending & (1<<i)))
-        {
-            pending &= ~(1<<i);
-
-            /* do interrupt */
-            irq_func = isr_table[i].handler;
-            param = isr_table[i].param;
-            (*irq_func)(i, param);
-
-#ifdef RT_USING_INTERRUPT_INFO
-            isr_table[i].counter++;
-#endif /* RT_USING_INTERRUPT_INFO */
-
-            /* ack interrupt */
-            __intc_ack_irq(i);
-        }
-    }
-#endif
-}
-
-/*@}*/
diff --git a/libcpu/mips/xburst/mipscfg.c b/libcpu/mips/xburst/mipscfg.c
deleted file mode 100644
index 1e9b0c032f..0000000000
--- a/libcpu/mips/xburst/mipscfg.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * File      : mipscfg.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-27     swkyer       first version
- */
-#include <rtthread.h>
-#include "../common/mipsregs.h"
-#include "../common/mipscfg.h"
-
-mips32_core_cfg_t g_mips_core =
-{
-    16,     /* icache_line_size */
-    256,    /* icache_lines_per_way */
-    4,      /* icache_ways */
-    16,     /* dcache_line_size */
-    256,    /* dcache_lines_per_way */
-    4,      /* dcache_ways */
-    16,     /* max_tlb_entries */
-};
-
-static rt_uint16_t m_pow(rt_uint16_t b, rt_uint16_t n)
-{
-    rt_uint16_t rets = 1;
-
-    while (n--)
-        rets *= b;
-
-    return rets;
-}
-
-/**
- * read core attribute
- */
-void mips32_cfg_init(void)
-{
-    rt_uint16_t val;
-    rt_uint32_t cp0_config1;
-
-    cp0_config1 = read_c0_config();
-    if (cp0_config1 & 0x80000000)
-    {
-        cp0_config1 = read_c0_config1();
-
-        val = (cp0_config1 & (7<<22))>>22;
-        g_mips_core.icache_lines_per_way = 64 * m_pow(2, val);
-        val = (cp0_config1 & (7<<19))>>19;
-        g_mips_core.icache_line_size = 2 * m_pow(2, val);
-        val = (cp0_config1 & (7<<16))>>16;
-        g_mips_core.icache_ways = val + 1;
-
-        val = (cp0_config1 & (7<<13))>>13;
-        g_mips_core.dcache_lines_per_way = 64 * m_pow(2, val);
-        val = (cp0_config1 & (7<<10))>>10;
-        g_mips_core.dcache_line_size = 2 * m_pow(2, val);
-        val = (cp0_config1 & (7<<7))>>7;
-        g_mips_core.dcache_ways = val + 1;
-
-        val = (cp0_config1 & (0x3F<<25))>>25;
-        g_mips_core.max_tlb_entries = val + 1;
-    }
-}
-
-#ifdef RT_USING_FINSH
-#include <finsh.h>
-static void CP0_status_analyze(unsigned long value)
-{
-    if(value & (1<<26))
-        rt_kprintf(" FR");
-    if(value & (1<<23))
-        rt_kprintf(" PX");
-    if(value & (1<<22))
-        rt_kprintf(" BEV");
-    if(value & (1<<20))
-        rt_kprintf(" SR");
-    if(value & (1<<19))
-        rt_kprintf(" NMI");
-    if(value & (1<<20))
-        rt_kprintf(" SR");
-    if(value & (0xFF<<8))
-        rt_kprintf(" IM:0x%02X", (value >> 8) & 0xFF);
-    if(value & (1<<7))
-        rt_kprintf(" KX");
-    if(value & (1<<6))
-        rt_kprintf(" SX");
-    if(value & (1<<5))
-        rt_kprintf(" UX");
-    if(value & (0x03<<3))
-        rt_kprintf(" KSU:0x%02X", (value >> 3) & 0x03);
-    if(value & (1<<2))
-        rt_kprintf(" ERL");
-    if(value & (1<<1))
-        rt_kprintf(" EXL");
-    if(value & (1<<0))
-        rt_kprintf(" IE");
-}
-
-static void CP0_config0_analyze(unsigned long value)
-{
-    /* [31] M */
-    if(value & (1UL<<31))
-        rt_kprintf(" M");
-
-    /* [15] BE */
-    if(value & (1<<15))
-        rt_kprintf(" big-endian");
-    else
-        rt_kprintf(" little-endian");
-
-    /* [14:13] AT */
-    {
-        int AT = (value >> 13) & 0x03;
-
-        if(AT == 0)
-        {
-            rt_kprintf(" MIPS32");
-        }
-        else if(AT == 1)
-        {
-            rt_kprintf(" MIPS64/A32");
-        }
-        else if(AT == 2)
-        {
-            rt_kprintf(" MIPS64/A64");
-        }
-        else
-        {
-            rt_kprintf(" unkown");
-        }
-    }
-
-    /* [12:10] AR */
-    {
-        int AR = (value >> 10) & 0x07;
-
-        if(AR == 0)
-        {
-            rt_kprintf(" R1");
-        }
-        else if(AR == 1)
-        {
-            rt_kprintf(" R2");
-        }
-        else
-        {
-            rt_kprintf(" reserve");
-        }
-    }
-
-    /* [3] VI */
-    if(value & (1UL<<31))
-        rt_kprintf(" VI");
-
-    /* [2:0] K0 */
-    {
-        int K0 = value & 0x07;
-
-        if(K0 == 2)
-        {
-            rt_kprintf(" uncached");
-        }
-        else if(K0 == 3)
-        {
-            rt_kprintf(" cacheable");
-        }
-        else
-        {
-            rt_kprintf(" K0:reserve");
-        }
-    }
-}
-
-static void CP0_config1_analyze(unsigned long value)
-{
-    /* [31] M */
-    if(value & (1UL<<31))
-        rt_kprintf(" M");
-
-    /* [30:25] MMU size */
-    {
-        int MMU_size = (value >> 25) & 0x3F;
-        rt_kprintf(" TLB:%d", MMU_size + 1);
-    }
-
-    /* [24:22] IS, [21:19] IL, [18:16] IA */
-    {
-        int IS = (value >> 22) & 0x07;
-        int IL = (value >> 19) & 0x07;
-        int IA = (value >> 16) & 0x07;
-
-        IA = IA + 1;
-        IS = 64 << IS;
-        IL = 2 << IL;
-        rt_kprintf(" Icache-%dKB:%dway*%dset*%dbyte",
-                   (IA*IS*IL) >> 10, IA, IS, IL);
-    }
-
-    /* [15:13] DS, [12:10] DL, [9:7] DA */
-    {
-        int DS = (value >> 13) & 0x07;
-        int DL = (value >> 10) & 0x07;
-        int DA = (value >> 7)  & 0x07;
-
-        DA = DA + 1;
-        DS = 64 << DS;
-        DL = 2 << DL;
-        rt_kprintf(" Dcache-%dKB:%dway*%dset*%dbyte",
-                   (DA*DS*DL) >> 10, DA, DS, DL);
-    }
-
-    /* [6] C2 */
-    if(value & (1UL<<6))
-        rt_kprintf(" CP2");
-
-    /* [5] MD */
-    if(value & (1UL<<5))
-        rt_kprintf(" MDMX-ASE");
-
-    /* [4] PC */
-    if(value & (1UL<<4))
-        rt_kprintf(" performa-count");
-
-    /* [3] WR */
-    if(value & (1UL<<3))
-        rt_kprintf(" Watch");
-
-    /* [2] CA */
-    if(value & (1UL<<2))
-        rt_kprintf(" MIPS16e");
-
-    /* [1] EP */
-    if(value & (1UL<<1))
-        rt_kprintf(" EJTAG");
-
-    /* [0] FP */
-    if(value & (1UL<<0))
-        rt_kprintf(" FPU");
-}
-
-static void CP0_config2_analyze(unsigned long value)
-{
-    /* [31] M */
-    if(value & (1UL<<31))
-        rt_kprintf(" M");
-}
-
-static void CP0_config3_analyze(unsigned long value)
-{
-    /* [31] M */
-    if(value & (1UL<<31))
-        rt_kprintf(" M");
-}
-
-static void list_mips(void)
-{
-    unsigned long value;
-    unsigned long num = 0;
-
-    rt_kprintf("MIPS coprocessor register:\r\n");
-
-    rt_kprintf("( 0,0) INDEX     : 0x%08X\r\n", read_c0_index());
-    rt_kprintf("( 1,0) RANDOM    : 0x%08X\r\n", read_c0_random());
-    rt_kprintf("( 2,0) ENTRYLO0  : 0x%08X\r\n", read_c0_entrylo0());
-    rt_kprintf("( 3,0) ENTRYLO1  : 0x%08X\r\n", read_c0_entrylo1());
-    rt_kprintf("( 4,0) CONTEXT   : 0x%08X\r\n", read_c0_context());
-    rt_kprintf("( 5,0) PAGEMASK  : 0x%08X\r\n", read_c0_pagemask());
-    rt_kprintf("( 6,0) WIRED     : 0x%08X\r\n", read_c0_wired());
-    rt_kprintf("( 7,0) INFO      : 0x%08X\r\n", read_c0_info());
-    rt_kprintf("( 8,0) BADVADDR  : 0x%08X\r\n", read_c0_badvaddr());
-    rt_kprintf("( 9,0) COUNT     : 0x%08X\r\n", read_c0_count());
-    rt_kprintf("(10,0) ENTRYHI   : 0x%08X\r\n", read_c0_entryhi());
-    rt_kprintf("(11,0) COMPARE   : 0x%08X\r\n", read_c0_compare());
-
-    value = read_c0_status();
-    rt_kprintf("(12,0) STATUS    : 0x%08X", value);
-    CP0_status_analyze(value);
-    rt_kprintf("\r\n");
-
-    /*
-    rt_kprintf("(12,1) INTCTL    : 0x%08X\r\n", __read_32bit_c0_register(12, 1));
-    rt_kprintf("(12,2) SRSCTL    : 0x%08X\r\n", __read_32bit_c0_register(12, 2));
-    */
-
-    rt_kprintf("(13,0) CAUSE     : 0x%08X\r\n", read_c0_cause());
-    rt_kprintf("(14,0) EPC       : 0x%08X\r\n", read_c0_epc());
-    rt_kprintf("(15,0) PRID      : 0x%08X\r\n", read_c0_prid());
-    rt_kprintf("(15,1) EBASE     : 0x%08X\r\n", read_c0_ebase());
-
-    value = read_c0_config();
-    rt_kprintf("(16,0) CONFIG    : 0x%08X", value);
-    CP0_config0_analyze(value);
-    rt_kprintf("\r\n");
-    if(value & (1UL << 31))
-    {
-        value = read_c0_config1();
-        rt_kprintf("(16,1) CONFIG1   : 0x%08X", value);
-        CP0_config1_analyze(value);
-        rt_kprintf("\r\n");
-
-        if(value & (1UL << 31))
-        {
-            value = read_c0_config2();
-            rt_kprintf("(16,2) CONFIG2   : 0x%08X\r\n", value);
-            CP0_config2_analyze(value);
-            rt_kprintf("\r\n");
-
-            if(value & (1UL << 31))
-            {
-                value = read_c0_config3();
-                rt_kprintf("(16,3) CONFIG3   : 0x%08X\r\n", value);
-                CP0_config3_analyze(value);
-                rt_kprintf("\r\n");
-            }
-        }
-    }
-
-    rt_kprintf("(17,0) LLADDR    : 0x%08X\r\n", __read_32bit_c0_register($17, 0));
-    rt_kprintf("(18,0) WATCHLO   : 0x%08X\r\n", __read_32bit_c0_register($18, 0));
-    rt_kprintf("(19,0) WATCHHI   : 0x%08X\r\n", __read_32bit_c0_register($19, 0));
-    rt_kprintf("(20,0) XCONTEXT  : 0x%08X\r\n", __read_32bit_c0_register($20, 0));
-    rt_kprintf("(21,0) FRAMEMASK : 0x%08X\r\n", __read_32bit_c0_register($21, 0));
-    rt_kprintf("(22,0) DIAGNOSTIC: 0x%08X\r\n", __read_32bit_c0_register($22, 0));
-    rt_kprintf("(23,0) DEBUG     : 0x%08X\r\n", __read_32bit_c0_register($23, 0));
-    rt_kprintf("(24,0) DEPC      : 0x%08X\r\n", __read_32bit_c0_register($24, 0));
-
-    rt_kprintf("(25,0) PERFCTL0  : 0x%08X\r\n", __read_32bit_c0_register($25, 0));
-    rt_kprintf("(26,0) ECC       : 0x%08X\r\n", __read_32bit_c0_register($26, 0));
-    rt_kprintf("(27,0) CACHEERR  : 0x%08X\r\n", __read_32bit_c0_register($27, 0));
-    rt_kprintf("(28,0) TAGLO     : 0x%08X\r\n", __read_32bit_c0_register($28, 0));
-    rt_kprintf("(29,0) TAGHI     : 0x%08X\r\n", __read_32bit_c0_register($29, 0));
-
-    /*
-    rt_kprintf("(30,0) ERROREPC  : 0x%08X\r\n", __read_32bit_c0_register($30, 0));
-    rt_kprintf("(31,0) DESAVE    : 0x%08X\r\n", __read_32bit_c0_register($31, 0));
-    */
-
-
-    rt_kprintf("\r\n");
-}
-FINSH_FUNCTION_EXPORT(list_mips, list  CPU info)
-#endif /* RT_USING_FINSH */
-
diff --git a/libcpu/mips/xburst/stack.c b/libcpu/mips/xburst/stack.c
deleted file mode 100644
index ceba8b9d9d..0000000000
--- a/libcpu/mips/xburst/stack.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * File      : stack.c
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-17     swkyer       first version
- * 2010-07-07     Bernard      porting to Ingenic CPU
- */
-#include <rtthread.h>
-
-/**
- * @addtogroup Ingenic
- */
-/*@{*/
-
-extern rt_uint32_t cp0_get_cause(void);
-extern rt_uint32_t cp0_get_status(void);
-extern rt_uint32_t cp0_get_hi(void);
-extern rt_uint32_t cp0_get_lo(void);
-
-/**
- * This function will initialize thread stack
- *
- * @param tentry the entry of thread
- * @param parameter the parameter of entry
- * @param stack_addr the beginning stack address
- * @param texit the function will be called when thread exit
- *
- * @return stack address
- */
-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_addr, void *texit)
-{
-    rt_uint32_t *stk;
-    static rt_uint32_t g_sr = 0;
-
-    if (g_sr == 0)
-    {
-        g_sr = cp0_get_status();
-        g_sr &= 0xfffffffe;
-        g_sr |= 0x0403;
-    }
-
-    /** Start at stack top */
-    stk = (rt_uint32_t *)stack_addr;
-    *(stk)   = (rt_uint32_t) tentry;        /* pc: Entry Point */
-    *(--stk) = (rt_uint32_t) 0xeeee;        /* c0_cause */
-    *(--stk) = (rt_uint32_t) 0xffff;        /* c0_badvaddr */
-    *(--stk) = (rt_uint32_t) cp0_get_lo();  /* lo */
-    *(--stk) = (rt_uint32_t) cp0_get_hi();  /* hi */
-    *(--stk) = (rt_uint32_t) g_sr;          /* C0_SR: HW2 = En, IE = En */
-    *(--stk) = (rt_uint32_t) texit;         /* ra */
-    *(--stk) = (rt_uint32_t) 0x0000001e;    /* s8 */
-    *(--stk) = (rt_uint32_t) stack_addr;    /* sp */
-    *(--stk) = (rt_uint32_t) 0x0000001c;    /* gp */
-    *(--stk) = (rt_uint32_t) 0x0000001b;    /* k1 */
-    *(--stk) = (rt_uint32_t) 0x0000001a;    /* k0 */
-    *(--stk) = (rt_uint32_t) 0x00000019;    /* t9 */
-    *(--stk) = (rt_uint32_t) 0x00000018;    /* t8 */
-    *(--stk) = (rt_uint32_t) 0x00000017;    /* s7 */
-    *(--stk) = (rt_uint32_t) 0x00000016;    /* s6 */
-    *(--stk) = (rt_uint32_t) 0x00000015;    /* s5 */
-    *(--stk) = (rt_uint32_t) 0x00000014;    /* s4 */
-    *(--stk) = (rt_uint32_t) 0x00000013;    /* s3 */
-    *(--stk) = (rt_uint32_t) 0x00000012;    /* s2 */
-    *(--stk) = (rt_uint32_t) 0x00000011;    /* s1 */
-    *(--stk) = (rt_uint32_t) 0x00000010;    /* s0 */
-    *(--stk) = (rt_uint32_t) 0x0000000f;    /* t7 */
-    *(--stk) = (rt_uint32_t) 0x0000000e;    /* t6 */
-    *(--stk) = (rt_uint32_t) 0x0000000d;    /* t5 */
-    *(--stk) = (rt_uint32_t) 0x0000000c;    /* t4 */
-    *(--stk) = (rt_uint32_t) 0x0000000b;    /* t3 */
-    *(--stk) = (rt_uint32_t) 0x0000000a;    /* t2 */
-    *(--stk) = (rt_uint32_t) 0x00000009;    /* t1 */
-    *(--stk) = (rt_uint32_t) 0x00000008;    /* t0 */
-    *(--stk) = (rt_uint32_t) 0x00000007;    /* a3 */
-    *(--stk) = (rt_uint32_t) 0x00000006;    /* a2 */
-    *(--stk) = (rt_uint32_t) 0x00000005;    /* a1 */
-    *(--stk) = (rt_uint32_t) parameter;     /* a0 */
-    *(--stk) = (rt_uint32_t) 0x00000003;    /* v1 */
-    *(--stk) = (rt_uint32_t) 0x00000002;    /* v0 */
-    *(--stk) = (rt_uint32_t) 0x00000001;    /* at */
-    *(--stk) = (rt_uint32_t) 0x00000000;    /* zero */
-
-    /* return task's current stack address */
-    return (rt_uint8_t *)stk;
-}
-
-/*@}*/
diff --git a/libcpu/mips/xburst/stack.h b/libcpu/mips/xburst/stack.h
deleted file mode 100644
index 5bb7206c11..0000000000
--- a/libcpu/mips/xburst/stack.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * File      : stack.h
- * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
-*/
-
-#ifndef __STACK_H__
-#define __STACK_H__
-
-#define SYSTEM_STACK          0x80003fe8		/* the kernel system stack address */
-
-#endif
diff --git a/libcpu/mips/xburst/start_gcc.S b/libcpu/mips/xburst/start_gcc.S
deleted file mode 100644
index da8bfa9251..0000000000
--- a/libcpu/mips/xburst/start_gcc.S
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-05-17     swkyer       first version
- * 2010-09-04     bernard      porting to JZ47xx
- * 2019-07-19     Zhou Yanjie  clean up code
- */
-
-#ifndef __ASSEMBLY__
-#define __ASSEMBLY__
-#endif
-
-#include "../common/mips_def.h"
-#include "../common/stackframe.h"
-#include "stack.h"
-
-    .section ".start", "ax"
-    .set noreorder
-
-    /* the program entry */
-    .globl  _start
-_start:
-    .set    noreorder
-    la      ra, _start
-
-    li      t1, 0x00800000
-    mtc0    t1, CP0_CAUSE
-
-    /* init cp0 registers. */
-    li      t0, 0x0000FC00 /* BEV = 0 and mask all interrupt */
-    mtc0    t0, CP0_STATUS
-
-    /* setup stack pointer */
-    li      sp, SYSTEM_STACK
-    la      gp, _gp
-
-    /* init caches, assumes a 4way * 128set * 32byte I/D cache */
-    mtc0    zero, CP0_TAGLO  /* TAGLO reg */
-    mtc0    zero, CP0_TAGHI  /* TAGHI reg */
-    li      t0, 3            /* enable cache for kseg0 accesses */
-    mtc0    t0, CP0_CONFIG   /* CONFIG reg */
-    la      t0, 0x80000000   /* an idx op should use an unmappable address */
-    ori     t1, t0, 0x4000   /* 16kB cache */
-
-_cache_loop:
-    cache   0x8, 0(t0)       /* index store icache tag */
-    cache   0x9, 0(t0)       /* index store dcache tag */
-    bne     t0, t1, _cache_loop
-    addiu   t0, t0, 0x20     /* 32 bytes per cache line */
-    nop
-
-    /* invalidate BTB */
-    mfc0    t0, CP0_CONFIG
-    nop
-    ori     t0, 2
-    mtc0    t0, CP0_CONFIG
-    nop
-
-    /* copy IRAM section */
-    la     t0, _iramcopy
-    la     t1, _iramstart
-    la     t2, _iramend
-_iram_loop:
-    lw     t3, 0(t0)
-    sw     t3, 0(t1)
-    addiu  t1, 4
-    bne    t1, t2, _iram_loop
-    addiu  t0, 4
-    /* clear bss */
-    la      t0, __bss_start
-    la      t1, __bss_end
-_clr_bss_loop:
-    sw      zero, 0(t0)
-    bne     t0, t1, _clr_bss_loop
-    addiu   t0, t0, 4
-
-    /* jump to RT-Thread RTOS */
-    jal     rtthread_startup
-    nop
-
-    /* restart, never die */
-    j       _start
-    nop
-    .set    reorder
-
-    .globl  cp0_get_cause
-cp0_get_cause:
-    mfc0    v0, CP0_CAUSE
-    jr      ra
-    nop
-
-    .globl  cp0_get_status
-cp0_get_status:
-    mfc0    v0, CP0_STATUS
-    jr      ra
-    nop
-
-    .globl  cp0_get_hi
-cp0_get_hi:
-    mfhi    v0
-    jr      ra
-    nop
-
-    .globl  cp0_get_lo
-cp0_get_lo:
-    mflo    v0
-    jr      ra
-    nop
-
-    .extern tlb_refill_handler
-    .extern cache_error_handler
-
-    /* Exception Handler */
-    /* 0x0 - TLB refill handler */
-    .section .vectors.1, "ax", %progbits
-    j      tlb_refill_handler
-    nop
-    
-    /* 0x100 - Cache error handler */
-    .section .vectors.2, "ax", %progbits
-    j      cache_error_handler
-    nop
-    
-    /* 0x180 - Exception/Interrupt handler */
-    .section .vectors.3, "ax", %progbits
-    j      _general_exception_handler
-    nop
-    
-    /* 0x200 - Special Exception Interrupt handler (when IV is set in CP0_CAUSE) */
-    .section .vectors.4, "ax", %progbits
-    j      _irq_handler
-    nop
-    
-    .section .vectors, "ax", %progbits
-    .extern mips_irq_handle
-
-    /* general exception handler */
-_general_exception_handler:
-    .set    noreorder
-    mfc0    k1, CP0_CAUSE
-    andi    k1, k1, 0x7c
-    srl     k1, k1, 2
-    lw      k0, sys_exception_handlers(k1)
-    jr      k0
-    nop
-    .set    reorder
-
-    /* interrupt handler */
-_irq_handler:
-    .set    noreorder
-    la      k0, mips_irq_handle
-    jr      k0
-    nop
-    .set    reorder
diff --git a/libcpu/mips/xburst/x1000.h b/libcpu/mips/xburst/x1000.h
deleted file mode 100644
index 71d11783a3..0000000000
--- a/libcpu/mips/xburst/x1000.h
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * File      : x1000.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2015-11-19     Urey         the first version
- */
-
-#ifndef X1000_H__
-#define X1000_H__
-
-#ifndef __ASSEMBLY__
-
-// typedef unsigned int size_t;
-#define u64 unsigned long long
-#define u32 unsigned int
-#define u16 unsigned short
-#define u8  unsigned char
-
-#define U64 unsigned long long
-#define U32 unsigned int
-#define U16 unsigned short
-#define U8  unsigned char
-
-#define S64 signed long long
-#define S32 int
-#define S16 short int
-#define S8  signed char
-
-#define cache_unroll(base,op)               \
-    __asm__ __volatile__("                  \
-        .set noreorder;                     \
-        .set mips3;                         \
-        cache %1, (%0);                     \
-        .set mips0;                         \
-        .set reorder"                       \
-        :                                   \
-        : "r" (base),                       \
-          "i" (op));
-
-/* cpu pipeline flush */
-static inline void jz_sync(void)
-{
-    __asm__ volatile ("sync");
-}
-
-static inline void writeb(u8 value, u32 address)
-{
-    *((volatile u8 *) address) = value;
-}
-static inline void writew( u16 value, u32 address)
-{
-    *((volatile u16 *) address) = value;
-}
-static inline void writel(u32 value, u32 address)
-{
-    *((volatile u32 *) address) = value;
-}
-
-static inline u8 readb(u32 address)
-{
-    return *((volatile u8 *)address);
-}
-
-static inline u16 readw(u32 address)
-{
-    return *((volatile u16 *)address);
-}
-
-static inline u32 readl(u32 address)
-{
-    return *((volatile u32 *)address);
-}
-
-static inline void jz_writeb(u32 address, u8 value)
-{
-    *((volatile u8 *)address) = value;
-}
-
-static inline void jz_writew(u32 address, u16 value)
-{
-    *((volatile u16 *)address) = value;
-}
-
-static inline void jz_writel(u32 address, u32 value)
-{
-    *((volatile u32 *)address) = value;
-}
-
-static inline u8 jz_readb(u32 address)
-{
-    return *((volatile u8 *)address);
-}
-
-static inline u16 jz_readw(u32 address)
-{
-    return *((volatile u16 *)address);
-}
-
-static inline u32 jz_readl(u32 address)
-{
-    return *((volatile u32 *)address);
-}
-
-#define REG8(addr)      *((volatile u8 *)(addr))
-#define REG16(addr)     *((volatile u16 *)(addr))
-#define REG32(addr)     *((volatile u32 *)(addr))
-
-#define BIT(n)          (0x01u << (n))
-
-#else
-
-#define REG8(addr)  (addr)
-#define REG16(addr) (addr)
-#define REG32(addr) (addr)
-
-#endif /* !ASSEMBLY */
-
-
-//----------------------------------------------------------------------
-// Register Definitions
-//
-/* AHB0 BUS Devices Base */
-#define HARB0_BASE  0xB3000000
-#define EMC_BASE    0xB3010000
-#define DDRC_BASE   0xB3020000
-#define MDMAC_BASE  0xB3030000
-#define LCD_BASE    0xB3050000
-#define TVE_BASE    0xB3050000
-#define SLCD_BASE   0xB3050000
-#define CIM_BASE    0xB3060000
-#define IPU_BASE    0xB3080000
-/* AHB1 BUS Devices Base */
-#define HARB1_BASE  0xB3200000
-#define DMAGP0_BASE 0xB3210000
-#define DMAGP1_BASE 0xB3220000
-#define DMAGP2_BASE 0xB3230000
-#define MC_BASE     0xB3250000
-#define ME_BASE     0xB3260000
-#define DEBLK_BASE  0xB3270000
-#define IDCT_BASE   0xB3280000
-#define CABAC_BASE  0xB3290000
-#define TCSM0_BASE  0xB32B0000
-#define TCSM1_BASE  0xB32C0000
-#define SRAM_BASE   0xB32D0000
-/* AHB2 BUS Devices Base */
-#define HARB2_BASE  0xB3400000
-#define NEMC_BASE   0xB3410000
-#define DMAC_BASE   0xB3420000
-#define UHC_BASE    0xB3430000
-#define UDC_BASE    0xB3440000
-#define GPS_BASE    0xB3480000
-#define ETHC_BASE   0xB34B0000
-#define BCH_BASE    0xB34D0000
-#define MSC0_BASE   0xB3450000
-#define MSC1_BASE   0xB3460000
-#define MSC2_BASE   0xB3470000
-
-/* APB BUS Devices Base */
-#define CPM_BASE    0xB0000000
-#define INTC_BASE   0xB0001000
-#define TCU_BASE    0xB0002000
-#define WDT_BASE    0xB0002000
-#define OST_BASE    0xB2000000      /* OS Timer */
-#define RTC_BASE    0xB0003000
-#define GPIO_BASE   0xB0010000
-#define AIC_BASE    0xB0020000
-#define DMIC_BASE   0xB0021000
-#define ICDC_BASE   0xB0020000
-#define UART0_BASE  0xB0030000
-#define UART1_BASE  0xB0031000
-#define UART2_BASE  0xB0032000
-#define UART3_BASE  0xB0033000
-#define SCC_BASE    0xB0040000
-#define SSI0_BASE   0xB0043000
-#define SSI1_BASE   0xB0044000
-#define SSI2_BASE   0xB0045000
-#define I2C0_BASE   0xB0050000
-#define I2C1_BASE   0xB0051000
-#define PS2_BASE    0xB0060000
-#define SADC_BASE   0xB0070000
-#define OWI_BASE    0xB0072000
-#define TSSI_BASE   0xB0073000
-
-/* NAND CHIP Base Address*/
-#define NEMC_CS1_IOBASE 0Xbb000000
-#define NEMC_CS2_IOBASE 0Xba000000
-#define NEMC_CS3_IOBASE 0Xb9000000
-#define NEMC_CS4_IOBASE 0Xb8000000
-#define NEMC_CS5_IOBASE 0Xb7000000
-#define NEMC_CS6_IOBASE 0Xb6000000
-
-/*********************************************************************************************************
-**   WDT
-*********************************************************************************************************/
-#define WDT_TDR         (WDT_BASE + 0x00)
-#define WDT_TCER        (WDT_BASE + 0x04)
-#define WDT_TCNT        (WDT_BASE + 0x08)
-#define WDT_TCSR        (WDT_BASE + 0x0C)
-
-#define REG_WDT_TDR     REG16(WDT_TDR)
-#define REG_WDT_TCER    REG8(WDT_TCER)
-#define REG_WDT_TCNT    REG16(WDT_TCNT)
-#define REG_WDT_TCSR    REG16(WDT_TCSR)
-
-#define WDT_TSCR_WDTSC          (1 << 16)
-
-#define WDT_TCSR_PRESCALE_1         (0 << 3)
-#define WDT_TCSR_PRESCALE_4         (1 << 3)
-#define WDT_TCSR_PRESCALE_16        (2 << 3)
-#define WDT_TCSR_PRESCALE_64        (3 << 3)
-#define WDT_TCSR_PRESCALE_256       (4 << 3)
-#define WDT_TCSR_PRESCALE_1024      (5 << 3)
-
-#define WDT_TCSR_EXT_EN         (1 << 2)
-#define WDT_TCSR_RTC_EN         (1 << 1)
-#define WDT_TCSR_PCK_EN         (1 << 0)
-
-#define WDT_TCER_TCEN           (1 << 0)
-
-/*********************************************************************************************************
-**   �ж�Դ
-*********************************************************************************************************/
-/* INTC (Interrupt Controller) */
-#define INTC_ISR(n)             (INTC_BASE + 0x00 + (n) * 0x20)
-#define INTC_IMR(n)             (INTC_BASE + 0x04 + (n) * 0x20)
-#define INTC_IMSR(n)            (INTC_BASE + 0x08 + (n) * 0x20)
-#define INTC_IMCR(n)            (INTC_BASE + 0x0c + (n) * 0x20)
-#define INTC_IPR(n)             (INTC_BASE + 0x10 + (n) * 0x20)
-
-#define REG_INTC_ISR(n)         REG32(INTC_ISR((n)))
-#define REG_INTC_IMR(n)         REG32(INTC_IMR((n)))
-#define REG_INTC_IMSR(n)        REG32(INTC_IMSR((n)))
-#define REG_INTC_IMCR(n)        REG32(INTC_IMCR((n)))
-#define REG_INTC_IPR(n)         REG32(INTC_IPR((n)))
-
-// interrupt controller interrupts
-#define IRQ_DMIC                0
-#define IRQ_AIC0                1
-#define IRQ_RESERVED2           2
-#define IRQ_RESERVED3           3
-#define IRQ_RESERVED4           4
-#define IRQ_RESERVED5           5
-#define IRQ_RESERVED6           6
-#define IRQ_SFC                 7
-#define IRQ_SSI0                8
-#define IRQ_RESERVED9           9
-#define IRQ_PDMA                10
-#define IRQ_PDMAD               11
-#define IRQ_RESERVED12          12
-#define IRQ_RESERVED13          13
-#define IRQ_GPIO3               14
-#define IRQ_GPIO2               15
-#define IRQ_GPIO1               16
-#define IRQ_GPIO0               17
-#define IRQ_RESERVED18          18
-#define IRQ_RESERVED19          19
-#define IRQ_RESERVED20          20
-#define IRQ_OTG                 21
-#define IRQ_RESERVED22          22
-#define IRQ_AES                 23
-#define IRQ_RESERVED24          24
-#define IRQ_TCU2                25
-#define IRQ_TCU1                26
-#define IRQ_TCU0                27
-#define IRQ_RESERVED28          28
-#define IRQ_RESERVED29          29
-#define IRQ_CIM                 30
-#define IRQ_LCD                 31
-#define IRQ_RTC                 32
-#define IRQ_RESERVED33          33
-#define IRQ_RESERVED34          34
-#define IRQ_RESERVED35          35
-#define IRQ_MSC1                36
-#define IRQ_MSC0                37
-#define IRQ_SCC                 38
-#define IRQ_RESERVED39          39
-#define IRQ_PCM0                40
-#define IRQ_RESERVED41          41
-#define IRQ_RESERVED42          42
-#define IRQ_RESERVED43          43
-#define IRQ_HARB2               44
-#define IRQ_RESERVED45          45
-#define IRQ_HARB0               46
-#define IRQ_CPM                 47
-#define IRQ_RESERVED48          48
-#define IRQ_UART2               49
-#define IRQ_UART1               50
-#define IRQ_UART0               51
-#define IRQ_DDR                 52
-#define IRQ_RESERVED53          53
-#define IRQ_EFUSE               54
-#define IRQ_MAC                 55
-#define IRQ_RESERVED56          56
-#define IRQ_RESERVED57          57
-#define IRQ_I2C2                58
-#define IRQ_I2C1                59
-#define IRQ_I2C0                60
-#define IRQ_PDMAM               61
-#define IRQ_JPEG                62
-#define IRQ_RESERVED63          63
-
-#define IRQ_INTC_MAX            63
-
-#ifndef __ASSEMBLY__
-
-#define __intc_unmask_irq(n)    (REG_INTC_IMCR((n)/32) = (1 << ((n)%32)))
-#define __intc_mask_irq(n)      (REG_INTC_IMSR((n)/32) = (1 << ((n)%32)))
-#define __intc_ack_irq(n)       (REG_INTC_IPR((n)/32) = (1 << ((n)%32)))        /* A dummy ack, as the Pending Register is Read Only. Should we remove __intc_ack_irq() */
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _JZ_M150_H_ */