summaryrefslogtreecommitdiff
path: root/libcpu
diff options
context:
space:
mode:
authorbigmagic <[email protected]>2020-03-13 11:31:15 +0800
committerbigmagic <[email protected]>2020-03-18 14:22:37 +0800
commite6600dbf107ae82366d9320a4af6865d689280a8 (patch)
tree04a7694e64b0073c2f3da444c0be869473c213b2 /libcpu
parentf6a13de08f48521bc56e80c33df6f50d69b5795d (diff)
remove cortex-a53 from libcpu/arm
Diffstat (limited to 'libcpu')
-rw-r--r--libcpu/arm/cortex-a53/cp15.h168
-rw-r--r--libcpu/arm/cortex-a53/cpu.c91
-rw-r--r--libcpu/arm/cortex-a53/interrupt.c186
-rw-r--r--libcpu/arm/cortex-a53/interrupt.h18
-rw-r--r--libcpu/arm/cortex-a53/mmu.c188
5 files changed, 0 insertions, 651 deletions
diff --git a/libcpu/arm/cortex-a53/cp15.h b/libcpu/arm/cortex-a53/cp15.h
deleted file mode 100644
index 14b85b7e64..0000000000
--- a/libcpu/arm/cortex-a53/cp15.h
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2011-09-15 Bernard first version
- */
-#include "raspi.h"
-#ifndef __CP15_H__
-#define __CP15_H__
-
-#ifndef __STATIC_FORCEINLINE
-#define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline
-#endif
-
-#define __WFI() __asm__ volatile ("wfi":::"memory")
-
-#define __WFE() __asm__ volatile ("wfe":::"memory")
-
-#define __SEV() __asm__ volatile ("sev")
-
-__STATIC_FORCEINLINE void __ISB(void)
-{
- __asm__ volatile ("isb 0xF":::"memory");
-}
-
-
-/**
- \brief Data Synchronization Barrier
- \details Acts as a special kind of Data Memory Barrier.
- It completes when all explicit memory accesses before this instruction complete.
- */
-__STATIC_FORCEINLINE void __DSB(void)
-{
- __asm__ volatile ("dsb 0xF":::"memory");
-}
-
-/**
- \brief Data Memory Barrier
- \details Ensures the apparent order of the explicit memory operations before
- and after the instruction, without ensuring their completion.
- */
-
-__STATIC_FORCEINLINE void __DMB(void)
-{
- __asm__ volatile ("dmb 0xF":::"memory");
-}
-
-
-#ifdef RT_USING_SMP
-static inline void send_ipi_msg(int cpu, int ipi_vector)
-{
- IPI_MAILBOX_SET(cpu) = 1 << ipi_vector;
-}
-
-static inline void setup_bootstrap_addr(int cpu, int addr)
-{
- CORE_MAILBOX3_SET(cpu) = addr;
-}
-
-static inline void enable_cpu_ipi_intr(int cpu)
-{
- COREMB_INTCTL(cpu) = IPI_MAILBOX_INT_MASK;
-}
-
-static inline void enable_cpu_timer_intr(int cpu)
-{
- CORETIMER_INTCTL(cpu) = 0x8;
-}
-
-static inline void enable_cntv(void)
-{
- rt_uint32_t cntv_ctl;
- cntv_ctl = 1;
- asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl)); // write CNTV_CTL
-}
-
-static inline void disable_cntv(void)
-{
- rt_uint32_t cntv_ctl;
- cntv_ctl = 0;
- asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl)); // write CNTV_CTL
-}
-
-static inline void mask_cntv(void)
-{
- rt_uint32_t cntv_ctl;
- cntv_ctl = 2;
- asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl)); // write CNTV_CTL
-}
-
-static inline void unmask_cntv(void)
-{
- rt_uint32_t cntv_ctl;
- cntv_ctl = 1;
- asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl)); // write CNTV_CTL
-}
-
-static inline rt_uint64_t read_cntvct(void)
-{
- rt_uint32_t val,val1;
- asm volatile ("mrrc p15, 1, %0, %1, c14" : "=r" (val),"=r" (val1));
- return (val);
-}
-
-static inline rt_uint64_t read_cntvoff(void)
-{
-
- rt_uint64_t val;
- asm volatile ("mrrc p15, 4, %Q0, %R0, c14" : "=r" (val));
- return (val);
-}
-
-static inline rt_uint32_t read_cntv_tval(void)
-{
- rt_uint32_t val;
- asm volatile ("mrc p15, 0, %0, c14, c3, 0" : "=r"(val));
- return val;
-}
-
-
-static inline void write_cntv_tval(rt_uint32_t val)
-{
- asm volatile ("mcr p15, 0, %0, c14, c3, 0" :: "r"(val));
- return;
-}
-
-static inline rt_uint32_t read_cntfrq(void)
-{
- rt_uint32_t val;
- asm volatile ("mrc p15, 0, %0, c14, c0, 0" : "=r"(val));
- return val;
-}
-
-
-static inline rt_uint32_t read_cntctrl(void)
-{
- rt_uint32_t val;
- asm volatile ("mrc p15, 0, %0, c14, c1, 0" : "=r"(val));
- return val;
-}
-
-static inline uint32_t write_cntctrl(uint32_t val)
-{
-
- asm volatile ("mcr p15, 0, %0, c14, c1, 0" : :"r"(val));
- return val;
-}
-#endif
-
-unsigned long rt_cpu_get_smp_id(void);
-
-void rt_cpu_mmu_disable(void);
-void rt_cpu_mmu_enable(void);
-void rt_cpu_tlb_set(volatile unsigned long*);
-
-void rt_cpu_dcache_clean_flush(void);
-void rt_cpu_icache_flush(void);
-
-void rt_cpu_vector_set_base(unsigned int addr);
-void rt_hw_mmu_init(void);
-void rt_hw_vector_init(void);
-
-void set_timer_counter(unsigned int counter);
-void set_timer_control(unsigned int control);
-#endif
diff --git a/libcpu/arm/cortex-a53/cpu.c b/libcpu/arm/cortex-a53/cpu.c
deleted file mode 100644
index 4d02ca35e1..0000000000
--- a/libcpu/arm/cortex-a53/cpu.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2011-09-15 Bernard first version
- * 2019-07-28 zdzn add smp support
- */
-
-#include <rthw.h>
-#include <rtthread.h>
-#include <board.h>
-#include "cp15.h"
-
-int rt_hw_cpu_id(void)
-{
- int cpu_id;
- __asm__ volatile (
- "mrc p15, 0, %0, c0, c0, 5"
- :"=r"(cpu_id)
- );
- cpu_id &= 0xf;
- return cpu_id;
-};
-
-
-#ifdef RT_USING_SMP
-void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock)
-{
- lock->slock = 0;
-}
-
-void rt_hw_spin_lock(rt_hw_spinlock_t *lock)
-{
- unsigned long tmp;
- unsigned long newval;
- rt_hw_spinlock_t lockval;
- __asm__ __volatile__(
- "pld [%0]"
- ::"r"(&lock->slock)
- );
-
- __asm__ __volatile__(
- "1: ldrex %0, [%3]\n"
- " add %1, %0, %4\n"
- " strex %2, %1, [%3]\n"
- " teq %2, #0\n"
- " bne 1b"
- : "=&r" (lockval), "=&r" (newval), "=&r" (tmp)
- : "r" (&lock->slock), "I" (1 << 16)
- : "cc");
-
- while (lockval.tickets.next != lockval.tickets.owner)
- {
- __WFE();
- lockval.tickets.owner = *(volatile unsigned short *)(&lock->tickets.owner);
- }
-
- __DMB();
-}
-
-void rt_hw_spin_unlock(rt_hw_spinlock_t *lock)
-{
- __DMB();
- lock->tickets.owner++;
- __DSB();
- __SEV();
-}
-#endif /*RT_USING_SMP*/
-
-/**
- * @addtogroup ARM CPU
- */
-/*@{*/
-
-/** shutdown CPU */
-void rt_hw_cpu_shutdown()
-{
- rt_uint32_t level;
- rt_kprintf("shutdown...\n");
-
- level = rt_hw_interrupt_disable();
- while (level)
- {
- RT_ASSERT(0);
- }
-}
-
-/*@}*/
diff --git a/libcpu/arm/cortex-a53/interrupt.c b/libcpu/arm/cortex-a53/interrupt.c
deleted file mode 100644
index c9e7c17f8f..0000000000
--- a/libcpu/arm/cortex-a53/interrupt.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2018/5/3 Bernard first version
- * 2019-07-28 zdzn add smp support
- * 2019-08-09 zhangjun fixup the problem of smp startup and scheduling issues,
- * write addr to mailbox3 to startup smp, and we use mailbox0 for ipi
- */
-
-#include <rthw.h>
-#include <rtthread.h>
-
-#include "cp15.h"
-#include <board.h>
-
-#define MAX_HANDLERS 72
-
-#ifdef RT_USING_SMP
-#define rt_interrupt_nest rt_cpu_self()->irq_nest
-#else
-extern volatile rt_uint8_t rt_interrupt_nest;
-#endif
-
-const unsigned int VECTOR_BASE = 0x00;
-extern void rt_cpu_vector_set_base(unsigned int addr);
-extern int system_vectors;
-
-void rt_hw_vector_init(void)
-{
- rt_cpu_vector_set_base((unsigned int)&system_vectors);
-}
-
-/* exception and interrupt handler table */
-struct rt_irq_desc isr_table[MAX_HANDLERS];
-
-rt_uint32_t rt_interrupt_from_thread;
-rt_uint32_t rt_interrupt_to_thread;
-rt_uint32_t rt_thread_switch_interrupt_flag;
-
-extern int system_vectors;
-
-static void default_isr_handler(int vector, void *param)
-{
-#ifdef RT_USING_SMP
- rt_kprintf("cpu %d unhandled irq: %d\n", rt_hw_cpu_id(),vector);
-#else
- rt_kprintf("unhandled irq: %d\n",vector);
-#endif
-}
-
-/**
- * This function will initialize hardware interrupt
- */
-void rt_hw_interrupt_init(void)
-{
- rt_uint32_t index;
-
- /* mask all of interrupts */
- IRQ_DISABLE_BASIC = 0x000000ff;
- IRQ_DISABLE1 = 0xffffffff;
- IRQ_DISABLE2 = 0xffffffff;
- for (index = 0; index < MAX_HANDLERS; index ++)
- {
- isr_table[index].handler = default_isr_handler;
- isr_table[index].param = NULL;
-#ifdef RT_USING_INTERRUPT_INFO
- rt_strncpy(isr_table[index].name, "unknown", RT_NAME_MAX);
- isr_table[index].counter = 0;
-#endif
- }
-
- /* 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)
-{
-
- if (vector < 32)
- {
- IRQ_DISABLE1 = (1 << vector);
- }
- else if (vector < 64)
- {
- vector = vector % 32;
- IRQ_DISABLE2 = (1 << vector);
- }
- else
- {
- vector = vector - 64;
- IRQ_DISABLE_BASIC = (1 << vector);
- }
-}
-
-/**
- * This function will un-mask a interrupt.
- * @param vector the interrupt number
- */
-void rt_hw_interrupt_umask(int vector)
-{
- if (vector < 32)
- {
- IRQ_ENABLE1 = (1 << vector);
- }
- else if (vector < 64)
- {
- vector = vector % 32;
- IRQ_ENABLE2 = (1 << vector);
- }
- else
- {
- vector = vector - 64;
- IRQ_ENABLE_BASIC = (1 << vector);
- }
-}
-
-/**
- * This function will install a interrupt service routine to a interrupt.
- * @param vector the interrupt number
- * @param new_handler the interrupt service routine to be installed
- * @param old_handler the old interrupt service routine
- */
-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 < MAX_HANDLERS)
- {
- old_handler = isr_table[vector].handler;
-
- if (handler != RT_NULL)
- {
-#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;
-}
-
-#ifdef RT_USING_SMP
-void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask)
-{
- __DSB();
- if (cpu_mask & 0x1)
- {
- send_ipi_msg(0, ipi_vector);
- }
- if (cpu_mask & 0x2)
- {
- send_ipi_msg(1, ipi_vector);
- }
- if (cpu_mask & 0x4)
- {
- send_ipi_msg(2, ipi_vector);
- }
- if (cpu_mask & 0x8)
- {
- send_ipi_msg(3, ipi_vector);
- }
- __DSB();
-}
-#endif
-
-#ifdef RT_USING_SMP
-void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler)
-{
- /* note: ipi_vector maybe different with irq_vector */
- rt_hw_interrupt_install(ipi_vector, ipi_isr_handler, 0, "IPI_HANDLER");
-}
-#endif
diff --git a/libcpu/arm/cortex-a53/interrupt.h b/libcpu/arm/cortex-a53/interrupt.h
deleted file mode 100644
index 9aae0f556a..0000000000
--- a/libcpu/arm/cortex-a53/interrupt.h
+++ /dev/null
@@ -1,18 +0,0 @@
-
-#ifndef __INTERRUPT_H__
-#define __INTERRUPT_H__
-
-#include <rthw.h>
-#include <board.h>
-
-#define INT_IRQ 0x00
-#define INT_FIQ 0x01
-
-void rt_hw_interrupt_init(void);
-void rt_hw_interrupt_mask(int vector);
-void rt_hw_interrupt_umask(int vector);
-
-rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
- void *param, const char *name);
-
-#endif
diff --git a/libcpu/arm/cortex-a53/mmu.c b/libcpu/arm/cortex-a53/mmu.c
deleted file mode 100644
index b3541d2ad4..0000000000
--- a/libcpu/arm/cortex-a53/mmu.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Copyright (c) 2006-2019, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2012-01-10 bernard porting to AM1808
- * 2019-07-28 zdzn add smp support
- */
-
-#include "mmu.h"
-
-/* dump 2nd level page table */
-void rt_hw_cpu_dump_page_table_2nd(rt_uint32_t *ptb)
-{
- int i;
- int fcnt = 0;
-
- for (i = 0; i < 256; i++)
- {
- rt_uint32_t pte2 = ptb[i];
- if ((pte2 & 0x3) == 0)
- {
- if (fcnt == 0)
- rt_kprintf(" ");
- rt_kprintf("%04x: ", i);
- fcnt++;
- if (fcnt == 16)
- {
- rt_kprintf("fault\n");
- fcnt = 0;
- }
- continue;
- }
- if (fcnt != 0)
- {
- rt_kprintf("fault\n");
- fcnt = 0;
- }
-
- rt_kprintf(" %04x: %x: ", i, pte2);
- if ((pte2 & 0x3) == 0x1)
- {
- rt_kprintf("L,ap:%x,xn:%d,texcb:%02x\n",
- ((pte2 >> 7) | (pte2 >> 4))& 0xf,
- (pte2 >> 15) & 0x1,
- ((pte2 >> 10) | (pte2 >> 2)) & 0x1f);
- }
- else
- {
- rt_kprintf("S,ap:%x,xn:%d,texcb:%02x\n",
- ((pte2 >> 7) | (pte2 >> 4))& 0xf, pte2 & 0x1,
- ((pte2 >> 4) | (pte2 >> 2)) & 0x1f);
- }
- }
-}
-
-void rt_hw_cpu_dump_page_table(rt_uint32_t *ptb)
-{
- int i;
- int fcnt = 0;
-
- rt_kprintf("page table@%p\n", ptb);
- for (i = 0; i < 1024*4; i++)
- {
- rt_uint32_t pte1 = ptb[i];
- if ((pte1 & 0x3) == 0)
- {
- rt_kprintf("%03x: ", i);
- fcnt++;
- if (fcnt == 16)
- {
- rt_kprintf("fault\n");
- fcnt = 0;
- }
- continue;
- }
- if (fcnt != 0)
- {
- rt_kprintf("fault\n");
- fcnt = 0;
- }
-
- rt_kprintf("%03x: %08x: ", i, pte1);
- if ((pte1 & 0x3) == 0x3)
- {
- rt_kprintf("LPAE\n");
- }
- else if ((pte1 & 0x3) == 0x1)
- {
- rt_kprintf("pte,ns:%d,domain:%d\n",
- (pte1 >> 3) & 0x1, (pte1 >> 5) & 0xf);
- /*
- *rt_hw_cpu_dump_page_table_2nd((void*)((pte1 & 0xfffffc000)
- * - 0x80000000 + 0xC0000000));
- */
- }
- else if (pte1 & (1 << 18))
- {
- rt_kprintf("super section,ns:%d,ap:%x,xn:%d,texcb:%02x\n",
- (pte1 >> 19) & 0x1,
- ((pte1 >> 13) | (pte1 >> 10))& 0xf,
- (pte1 >> 4) & 0x1,
- ((pte1 >> 10) | (pte1 >> 2)) & 0x1f);
- }
- else
- {
- rt_kprintf("section,ns:%d,ap:%x,"
- "xn:%d,texcb:%02x,domain:%d\n",
- (pte1 >> 19) & 0x1,
- ((pte1 >> 13) | (pte1 >> 10))& 0xf,
- (pte1 >> 4) & 0x1,
- (((pte1 & (0x7 << 12)) >> 10) |
- ((pte1 & 0x0c) >> 2)) & 0x1f,
- (pte1 >> 5) & 0xf);
- }
- }
-}
-
-/* level1 page table, each entry for 1MB memory. */
-volatile static unsigned long MMUTable[4*1024] __attribute__((aligned(16*1024)));
-void rt_hw_mmu_setmtt(rt_uint32_t vaddrStart,
- rt_uint32_t vaddrEnd,
- rt_uint32_t paddrStart,
- rt_uint32_t attr)
-{
- volatile rt_uint32_t *pTT;
- volatile int i, nSec;
- pTT = (rt_uint32_t *)MMUTable + (vaddrStart >> 20);
- nSec = (vaddrEnd >> 20) - (vaddrStart >> 20);
- for (i = 0; i <= nSec; i++)
- {
- *pTT = attr | (((paddrStart >> 20) + i) << 20);
- pTT++;
- }
-}
-
-unsigned long rt_hw_set_domain_register(unsigned long domain_val)
-{
- unsigned long old_domain;
-
- asm volatile ("mrc p15, 0, %0, c3, c0\n" : "=r" (old_domain));
- asm volatile ("mcr p15, 0, %0, c3, c0\n" : :"r" (domain_val) : "memory");
-
- return old_domain;
-}
-
-void rt_hw_init_mmu_table()
-{
- /* set page table */
- /* 4G 1:1 memory */
- rt_hw_mmu_setmtt(0x00000000, 0x3effffff, 0x00000000, NORMAL_MEM);
- /* IO memory region */
- rt_hw_mmu_setmtt(0x3f000000, 0x40010000, 0x3f000000, DEVICE_MEM);
-}
-
-void rt_hw_change_mmu_table(rt_uint32_t vaddrStart,
- rt_uint32_t size,
- rt_uint32_t paddrStart, rt_uint32_t attr)
-{
- rt_hw_mmu_setmtt(vaddrStart, vaddrStart+size-1, paddrStart, attr);
-#ifndef RT_USING_SMP
- rt_cpu_dcache_clean_flush();
- rt_cpu_icache_flush();
-#endif
-}
-
-
-void rt_hw_mmu_init(void)
-{
- rt_cpu_dcache_clean_flush();
- rt_cpu_icache_flush();
- rt_hw_cpu_dcache_disable();
- rt_hw_cpu_icache_disable();
- rt_cpu_mmu_disable();
-
- /*rt_hw_cpu_dump_page_table(MMUTable);*/
- rt_hw_set_domain_register(0x55555555);
-
- rt_cpu_tlb_set(MMUTable);
-
- rt_cpu_mmu_enable();
-
- rt_hw_cpu_icache_enable();
- rt_hw_cpu_dcache_enable();
-}
-