将龙芯bsp并入loongson文件夹中

12 files changed, 0 insertions, 1638 deletions

diff --git a/bsp/ls1bdev/libraries/SConscript b/bsp/ls1bdev/libraries/SConscript
deleted file mode 100644
index 78797ef273..0000000000
--- a/bsp/ls1bdev/libraries/SConscript
+++ /dev/null
@@ -1,10 +0,0 @@
-from building import *
-
-cwd = GetCurrentDir()
-src = Glob('*.c')
-
-CPPPATH = [cwd]
-
-group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH)
-
-Return('group')
diff --git a/bsp/ls1bdev/libraries/ls1b_clock.c b/bsp/ls1bdev/libraries/ls1b_clock.c
deleted file mode 100644
index 05547a158c..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_clock.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- * 2021-02-02     [email protected]       adapt to ls1b
- */
-
-
-#include "rtconfig.h"
-#include "ls1b_regs.h"
-#include "ls1b_public.h"
-
-
-// 晶振的频率
-#define AHB_CLK                 (RT_OSC_CLK)
-#define APB_CLK                 (AHB_CLK)
-
-#define DIV_DC_EN			(0x1 << 31)
-#define DIV_DC				(0x1f << 26)
-#define DIV_CPU_EN			(0x1 << 25)
-#define DIV_CPU				(0x1f << 20)
-#define DIV_DDR_EN			(0x1 << 19)
-#define DIV_DDR				(0x1f << 14)
-
-#define DIV_DC_SHIFT			26
-#define DIV_CPU_SHIFT			20
-#define DIV_DDR_SHIFT			14
-
-
-/*
- * 获取PLL频率
- * @ret PLL频率
- */
-unsigned long clk_get_pll_rate(void)
-{
-    unsigned int ctrl;
-    unsigned long pll_rate = 0;
-
-    ctrl = reg_read_32((volatile unsigned int *)LS1B_START_FREQ);
-	pll_rate = (12 + (ctrl & 0x3f)) * APB_CLK / 2
-		+ ((ctrl >> 8) & 0x3ff) * APB_CLK / 1024 / 2;
-
-    return pll_rate;
-}
-
-
-/*
- * 获取CPU频率
- * @ret CPU频率
- */
-unsigned long clk_get_cpu_rate(void)
-{
-    unsigned long pll_rate, cpu_rate;
-    unsigned int ctrl;
-
-    pll_rate = clk_get_pll_rate();
-    ctrl = reg_read_32((volatile unsigned int *)LS1B_CLK_DIV_PARAM);
-	cpu_rate = pll_rate / ((ctrl & DIV_CPU) >> DIV_CPU_SHIFT);
-
-    return cpu_rate;
-}
-
-
-/*
- * 获取DDR频率
- * @ret DDR频率
- */
-unsigned long clk_get_ddr_rate(void)
-{
-    unsigned long pll_rate, ddr_rate;
-	unsigned int ctrl;
-
-	pll_rate = clk_get_pll_rate();
-	ctrl = reg_read_32((volatile unsigned int *)LS1B_CLK_DIV_PARAM);
-
-	ddr_rate = pll_rate / ((ctrl & DIV_DDR) >> DIV_DDR_SHIFT);
-
-    return ddr_rate;
-}
-
-
-/*
- * 获取APB频率
- * @ret APB频率
- */
-unsigned long clk_get_apb_rate(void)
-{
-    return clk_get_ddr_rate() / 2;
-}
-
-
-/*
- * 获取DC频率
- * @ret DC频率
- */
-unsigned long clk_get_dc_rate(void)
-{
-    unsigned long pll_rate, dc_rate;
-    unsigned int ctrl;
-
-    pll_rate = clk_get_pll_rate();
-    ctrl = reg_read_32((volatile unsigned int *)LS1B_CLK_DIV_PARAM);
-
-    dc_rate = pll_rate ;
-
-    return dc_rate;
-}
-
-
-
diff --git a/bsp/ls1bdev/libraries/ls1b_clock.h b/bsp/ls1bdev/libraries/ls1b_clock.h
deleted file mode 100644
index bd22986e4c..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_clock.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     ����       first version
- */
-
-
-#ifndef __LOONGSON_CLOCK_H
-#define __LOONGSON_CLOCK_H
-
-
-
-/*
- * ��ȡPLLƵ��
- * @ret PLLƵ��
- */
-unsigned long clk_get_pll_rate(void);
-
-
-/*
- * ��ȡCPUƵ��
- * @ret CPUƵ��
- */
-unsigned long clk_get_cpu_rate(void);
-
-
-
-/*
- * ��ȡDDRƵ��
- * @ret DDRƵ��
- */
-unsigned long clk_get_ddr_rate(void);
-
-
-/*
- * ��ȡAPBƵ��
- * @ret APBƵ��
- */
-unsigned long clk_get_apb_rate(void);
-
-
-/*
- * ��ȡDCƵ��
- * @ret DCƵ��
- */
-unsigned long clk_get_dc_rate(void);
-
-
-
-#endif
-
diff --git a/bsp/ls1bdev/libraries/ls1b_gpio.c b/bsp/ls1bdev/libraries/ls1b_gpio.c
deleted file mode 100644
index 2e100e7122..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_gpio.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- * 2021-02-02     [email protected]       adapt to ls1b
- */
-
-
-#include "ls1b_public.h"
-#include "ls1b_regs.h"
-#include "ls1b_gpio.h"
-#include "ls1b_pin.h"
-
-
-/*
- * 获取指定gpio的CFG寄存器
- * @gpio gpio编号
- * @ret CFG寄存器
- */
-volatile unsigned int *gpio_get_cfg_reg(unsigned int gpio)
-{
-    volatile unsigned int *gpio_cfgx = NULL;            // GPIO_CFGx寄存器
-    unsigned int port = GPIO_GET_PORT(gpio);
-
-    switch (port)
-    {
-        case 0:
-            gpio_cfgx = (volatile unsigned int *)LS1B_GPIO_CFG0;
-            break;
-
-        case 1:
-            gpio_cfgx = (volatile unsigned int *)LS1B_GPIO_CFG1;
-            break;
-        default:
-            gpio_cfgx = NULL;
-            break;
-    }
-
-    return gpio_cfgx;
-}
-
-
-/*
- * 获取指定gpio的EN寄存器
- * @gpio gpio编号
- * @ret EN寄存器
- */
-volatile unsigned int *gpio_get_en_reg(unsigned int gpio)
-{
-    volatile unsigned int *gpio_enx = NULL;         // GPIO_ENx寄存器
-    unsigned int port = GPIO_GET_PORT(gpio);
-    
-    switch (port)
-    {
-        case 0:
-            gpio_enx = (volatile unsigned int *)LS1B_GPIO_EN0;
-            break;
-
-        case 1:
-            gpio_enx = (volatile unsigned int *)LS1B_GPIO_EN1;
-            break;
-        default:
-            gpio_enx    = NULL;
-            return gpio_enx;
-    }
-
-    return gpio_enx;
-}
-
-/*
- * gpio初始化
- * @gpio gpio引脚，取值范围[0, 127]
- * @mode gpio的工作模式(输入、输出)
- *
- * 例: 将gpio50初始化为输出
- * gpio_init(50, gpio_mode_output);
- */
-void gpio_init(unsigned int gpio, gpio_mode_t mode)
-{
-    volatile unsigned int *gpio_enx = NULL;        // GPIO_ENx寄存器
-    unsigned int pin = GPIO_GET_PIN(gpio);
-
-    // 将pin设为普通GPIO
-    pin_set_purpose(gpio, PIN_PURPOSE_GPIO);
-
-    // 设置gpio工作模式(输入、输出)
-    gpio_enx  = gpio_get_en_reg(gpio);
-    if (gpio_mode_output == mode)       // 输出
-    {
-        reg_clr_one_bit(gpio_enx, pin);
-    }
-    else                                // 输入
-    {
-        reg_set_one_bit(gpio_enx, pin);
-    }
-
-    return ;
-}
-
-
-/*
- * 在指定gpio输出高电平或低电平
- * @gpio gpio引脚，取值范围[0, 127]
- * @level 电平值
- *
- * 例: 在gpio50上输出低电平
- * gpio_set(50, gpio_level_low);
- */
-void gpio_set(unsigned int gpio, gpio_level_t level)
-{
-    volatile unsigned int *gpio_outx = NULL;       // GPIO_OUTx寄存器
-    unsigned int port   = GPIO_GET_PORT(gpio);
-    unsigned int pin    = GPIO_GET_PIN(gpio);
-
-    // 获取寄存器地址
-    switch (port)
-    {
-        case 0:
-            gpio_outx = (volatile unsigned int *)LS1B_GPIO_OUT0;
-            break;
-
-        case 1:
-            gpio_outx = (volatile unsigned int *)LS1B_GPIO_OUT1;
-            break;
-        default:        // 正确的程序不应该走到这里，直接返回
-            return ;
-    }
-
-    // 输出
-    if (gpio_level_low == level)
-    {
-        reg_clr_one_bit(gpio_outx, pin);
-    }
-    else
-    {
-        reg_set_one_bit(gpio_outx, pin);
-    }
-
-    return ;
-}
-
-
-/*
- * 读取指定gpio引脚的值
- * @gpio gpio引脚，取值范围[0,127]
- *
- * 例: 读取gpio50引脚上的值
- * gpio_level_t level;
- * level = gpio_get(50);
- */
-unsigned int gpio_get(unsigned int gpio)
-{
-    volatile unsigned int *gpio_inx = NULL;        // GPIO_INx寄存器
-    unsigned int port   = GPIO_GET_PORT(gpio);
-    unsigned int pin    = GPIO_GET_PIN(gpio);
-
-    // 获取寄存器地址
-    switch (port)
-    {
-        case 0:
-            gpio_inx = (volatile unsigned int *)LS1B_GPIO_IN0;
-            break;
-
-        case 1:
-            gpio_inx = (volatile unsigned int *)LS1B_GPIO_IN1;
-            break;
-        default:        // 正常的流程不应该走到这里，直接返回
-            return 0;
-    }
-
-    // 读取
-    return reg_get_bit(gpio_inx, pin);
-}
-
-
-/**
- * 设置中断类型
- * @gpio gpio引脚
- * @type 触发中断的条件。高电平触发、低电平触发、上升沿触发 or 下降沿触发
- */
-void gpio_set_irq_type(unsigned int gpio, gpio_irq_type_t type)
-{
-    volatile unsigned int *int_pol = NULL;     // 中断极性选择寄存器
-    volatile unsigned int *int_edge = NULL;    // 中断边沿选择寄存器
-    unsigned int port = GPIO_GET_PORT(gpio);
-    unsigned int pin  = GPIO_GET_PIN(gpio);
-
-    // 获取寄存器地址
-    switch (port)
-    {
-        case 0:     // GPIO[31:0]
-            int_pol     = (volatile unsigned int *)LS1B_INT2_POL;
-            int_edge    = (volatile unsigned int *)LS1B_INT2_EDGE;
-            break;
-
-        case 1:     // GPIO[63:32]
-            int_pol     = (volatile unsigned int *)LS1B_INT3_POL;
-            int_edge    = (volatile unsigned int *)LS1B_INT3_EDGE;
-            break;
-
-    }
-
-    // 设置中断类型
-    switch (type)
-    {
-        case IRQ_TYPE_EDGE_RISING:
-            *int_pol    |= (1 << pin);
-            *int_edge   |= (1 << pin);
-            break;
-
-        case IRQ_TYPE_EDGE_FALLING:
-            *int_pol    &= ~(1 << pin);
-            *int_edge   |= (1 << pin);
-            break;
-
-        case IRQ_TYPE_LEVEL_HIGH:
-            *int_pol    |= (1 << pin);
-            *int_edge   &= ~(1 << pin);
-            break;
-
-        case IRQ_TYPE_LEVEL_LOW:
-            *int_pol    &= ~(1 << pin);
-            *int_edge   &= ~(1 << pin);
-            break;
-
-        default:
-            break;
-    }
-
-    return ;
-}
-
-
-    
diff --git a/bsp/ls1bdev/libraries/ls1b_gpio.h b/bsp/ls1bdev/libraries/ls1b_gpio.h
deleted file mode 100644
index cfbe148020..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_gpio.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- */
-
-
-#ifndef __LOONGSON_GPIO_H
-#define __LOONGSON_GPIO_H
-
-
-
-// 龙芯1c的gpio是按照0,1,2,3,4...这样的顺序编号的，
-// 但在操作寄存器的时候，又是按照每32个一组来分的
-// 这里利用这个特性，将每组的32个gpio叫做一个"port"，每个gpio在每组中的索引叫"pin"
-// port = gpio / 32
-// pin  = gpio % 32
-// 例如GPIO50，port=1,pin=18
-#define GPIO_GET_PORT(gpio)                 ((gpio) / 32)
-#define GPIO_GET_PIN(gpio)                  ((gpio) % 32)
-
-
-// gpio的工作模式--输入、输出
-typedef enum{
-    gpio_mode_output = 0,       // 输出
-    gpio_mode_input = 1         // 输入
-}gpio_mode_t;
-
-
-//  gpio高低电平值
-typedef enum{
-    gpio_level_low = 0,         // 低电平
-    gpio_level_high = 1         // 高电平
-}gpio_level_t;
-
-
-typedef enum {
-    // 上升沿触发
-	IRQ_TYPE_EDGE_RISING	= 0x00000001,
-	// 下降沿触发
-	IRQ_TYPE_EDGE_FALLING	= 0x00000002,
-	IRQ_TYPE_EDGE_BOTH	= (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING),
-	// 高电平触发
-	IRQ_TYPE_LEVEL_HIGH	= 0x00000004,
-	// 低电平触发
-	IRQ_TYPE_LEVEL_LOW	= 0x00000008,
-	IRQ_TYPE_LEVEL_MASK	= (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH),	
-}gpio_irq_type_t;
-
-
-
-/*
- * 获取指定gpio的CFG寄存器
- * @gpio gpio编号
- * @ret CFG寄存器
- */
-volatile unsigned int *gpio_get_cfg_reg(unsigned int gpio);
-
-/*
- * gpio初始化
- * @gpio gpio引脚，取值范围[0, 127]
- * @mode gpio的工作模式(输入、输出)
- *
- * 例: 将gpio50初始化为输出
- * gpio_init(50, gpio_mode_output);
- */
-void gpio_init(unsigned int gpio, gpio_mode_t mode);
-
-
-/*
- * 在指定gpio输出高电平或低电平
- * @gpio gpio引脚，取值范围[0, 127]
- * @level 电平值
- *
- * 例: 在gpio50上输出低电平
- * gpio_set(50, gpio_level_low);
- */
-void gpio_set(unsigned int gpio, gpio_level_t level);
-
-
-
-/*
- * 读取指定gpio引脚的值
- * @gpio gpio引脚，取值范围[0,127]
- *
- * 例: 读取gpio50引脚上的值
- * gpio_level_t level;
- * level = gpio_get(50);
- */
-unsigned int gpio_get(unsigned int gpio);
-
-
-
-/**
- * 设置中断类型
- * @gpio gpio引脚
- * @type 触发中断的条件。高电平触发、低电平触发、上升沿触发 or 下降沿触发
- */
-void gpio_set_irq_type(unsigned int gpio, gpio_irq_type_t type);
-
-
-
-#endif
-
diff --git a/bsp/ls1bdev/libraries/ls1b_pin.c b/bsp/ls1bdev/libraries/ls1b_pin.c
deleted file mode 100644
index 58d9e7e46c..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_pin.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- * 2021-02-02     [email protected]       adapt to ls1b
- */
-
-// 引脚功能(普通gpio，pwm，复用等)相关接口
-
-
-#include "ls1b_public.h"
-#include "ls1b_regs.h"
-#include "ls1b_gpio.h"
-#include "ls1b_pin.h"
-
-
-/*
- * 把指定pin设置为指定用途(普通gpio，非gpio)
- * @gpio gpio引脚编号
- * @purpose 用途
- */
-void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose)
-{
-    volatile unsigned int *gpio_cfgx;           // GPIO_CFGx寄存器
-    unsigned int pin = GPIO_GET_PIN(gpio);
-
-    gpio_cfgx = gpio_get_cfg_reg(gpio);
-    if (PIN_PURPOSE_GPIO == purpose)            // 引脚用作普通gpio
-    {
-        reg_set_one_bit(gpio_cfgx, pin);
-    }
-    else                                        // 引脚用作其它功能(非gpio)
-    {
-        reg_clr_one_bit(gpio_cfgx, pin);
-    }
-
-    return ;
-}
-
-
-
-/*
- * 设置指定pin为第n复用
- * @gpio gpio编号
- * @remap 第n复用
- */
-void pin_set_remap(unsigned int gpio, pin_remap_t remap)
-{
-    volatile unsigned int *reg = NULL;          // 复用寄存器
-    unsigned int port = GPIO_GET_PORT(gpio);
-    unsigned int pin  = GPIO_GET_PIN(gpio);
-    int i;
-
-    /*指定全部pin复用为0*/
-    for (i = 0; i <= 4; i++)
-    {
-        reg = (volatile unsigned int *)((LS1B_CBUS_FIRST0) + ((port) * 0x04) + ((i) * 0x10));
-        // 置0
-        reg_clr_one_bit(reg, pin);
-    }
-
-    if (remap == PIN_REMAP_DEFAULT) return;
-
-    switch (port)
-    {
-    case 0:
-        switch (remap)
-        {
-        case PIN_REMAP_FIRST:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIRST0;
-            break;
-        case PIN_REMAP_SECOND:
-            reg = (volatile unsigned int *)LS1B_CBUS_SECOND0;
-            break;
-        case PIN_REMAP_THIRD:
-            reg = (volatile unsigned int *)LS1B_CBUS_THIRD0;
-            break;
-        case PIN_REMAP_FOURTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FOURTH0;
-            break;
-        case PIN_REMAP_FIFTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIFTH0;
-            break;
-        }
-        break;
-
-    case 1:
-        switch (remap)
-        {
-        case PIN_REMAP_FIRST:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIRST1;
-            break;
-        case PIN_REMAP_SECOND:
-            reg = (volatile unsigned int *)LS1B_CBUS_SECOND1;
-            break;
-        case PIN_REMAP_THIRD:
-            reg = (volatile unsigned int *)LS1B_CBUS_THIRD1;
-            break;
-        case PIN_REMAP_FOURTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FOURTH1;
-            break;
-        case PIN_REMAP_FIFTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIFTH1;
-            break;
-        }
-        break;
-
-    case 2:
-        switch (remap)
-        {
-        case PIN_REMAP_FIRST:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIRST2;
-            break;
-        case PIN_REMAP_SECOND:
-            reg = (volatile unsigned int *)LS1B_CBUS_SECOND2;
-            break;
-        case PIN_REMAP_THIRD:
-            reg = (volatile unsigned int *)LS1B_CBUS_THIRD2;
-            break;
-        case PIN_REMAP_FOURTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FOURTH2;
-            break;
-        case PIN_REMAP_FIFTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIFTH2;
-            break;
-        }
-        break;
-
-    case 3:
-        switch (remap)
-        {
-        case PIN_REMAP_FIRST:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIRST3;
-            break;
-        case PIN_REMAP_SECOND:
-            reg = (volatile unsigned int *)LS1B_CBUS_SECOND3;
-            break;
-        case PIN_REMAP_THIRD:
-            reg = (volatile unsigned int *)LS1B_CBUS_THIRD3;
-            break;
-        case PIN_REMAP_FOURTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FOURTH3;
-            break;
-        case PIN_REMAP_FIFTH:
-            reg = (volatile unsigned int *)LS1B_CBUS_FIFTH3;
-            break;
-        }
-        break;
-
-    default:
-        return ;
-    }
-
-    // 置1
-    reg_set_one_bit(reg, pin);
-
-    return ;
-}
-
-
-
diff --git a/bsp/ls1bdev/libraries/ls1b_pin.h b/bsp/ls1bdev/libraries/ls1b_pin.h
deleted file mode 100644
index af63ba4187..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_pin.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- */
-
-// 引脚功能(普通gpio，pwm，复用等)相关接口
-
-#ifndef __LOONGSON_PIN_H
-#define __LOONGSON_PIN_H
-
-
-// 引脚用途
-typedef enum
-{
-    PIN_PURPOSE_GPIO = 0,               // 引脚用作普通gpio
-    PIN_PURPOSE_OTHER,                  // 引脚用作其它功能(非gpio)
-}pin_purpose_t;
-
-
-// 引脚复用
-typedef enum
-{
-    PIN_REMAP_FIRST = 0,                // 第一复用
-    PIN_REMAP_SECOND,                   // 第二复用
-    PIN_REMAP_THIRD,                    // 第三复用
-    PIN_REMAP_FOURTH,                   // 第四复用
-    PIN_REMAP_FIFTH,                    // 第五复用
-    PIN_REMAP_DEFAULT,                //缺省复用
-}pin_remap_t;
-
-
-/*
- * 把指定pin设置为指定用途(普通gpio，非gpio)
- * @gpio gpio引脚编号
- * @purpose 用途
- */
-void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose);
-
-
-/*
- * 设置指定pin为第n复用
- * @gpio gpio编号
- * @remap 第n复用
- */
-void pin_set_remap(unsigned int gpio, pin_remap_t remap);
-
-
-#endif
-
diff --git a/bsp/ls1bdev/libraries/ls1b_public.c b/bsp/ls1bdev/libraries/ls1b_public.c
deleted file mode 100644
index b48d59a851..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_public.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- * 2021-02-02     [email protected]       adapt to ls1b
- */
-
-// 一些常用的、共用的接口
-
-/*
- * 将指定寄存器的指定位置1
- * @reg 寄存器地址
- * @bit 需要置1的那一bit
- */
-void reg_set_one_bit(volatile unsigned int *reg, unsigned int bit)
-{
-    unsigned int temp, mask;
-
-    mask = 1 << bit;
-    temp = *reg;
-    temp |= mask;
-    *reg = temp;
-
-    return ;
-}
-
-
-/*
- * 将指定寄存器的指定位清零
- * @reg 寄存器地址
- * @bit 需要清零的那一bit
- */
-void reg_clr_one_bit(volatile unsigned int *reg, unsigned int bit)
-{
-    unsigned int temp, mask;
-
-    mask = 1 << bit;
-    temp = *reg;
-    temp &= ~mask;
-    *reg = temp;
-
-    return ;
-}
-
-
-
-/*
- * 获取指定寄存器的指定位的值
- * @reg 寄存器地址
- * @bit 需要读取值的那一bit
- * @ret 指定位的值
- */
-unsigned int reg_get_bit(volatile unsigned int *reg, unsigned int bit)
-{
-    unsigned int temp;
-
-    temp = *reg;
-    temp = (temp >> bit) & 1;
-
-    return temp;
-}
-
-
-/*
- * 向寄存器中写入8bit(一个字节)数据
- * @data 待写入的数据
- * @addr 寄存器地址
- */
-void reg_write_8(unsigned char data, volatile unsigned char *addr)
-{
-    *addr = data;
-}
-
-
-/*
- * 从寄存器读出8bit(一个字节)数据
- * @addr 寄存器地址
- * @ret 读出的数据
- */
-unsigned char reg_read_8(volatile unsigned char *addr)
-{
-    return (*addr);
-}
-
-
-/*
- * 向寄存器中写一个32bit的数据
- * @data 待写入的数据
- * @addr 寄存器地址
- */
-void reg_write_32(unsigned int data, volatile unsigned int *addr)
-{
-    *addr = data;
-}
-
-
-/*
- * 从寄存器读出一个32bit数据
- * @addr 寄存器地址
- * @ret 读出的数据
- */
-unsigned int reg_read_32(volatile unsigned int *addr)
-{
-    return (*addr);
-}
-
-
-
-/**
- * ffs - find first bit set
- * @x: the word to search
- *
- * This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-int ls1b_ffs(int x)
-{
-	int r = 1;
-
-	if (!x)
-		return 0;
-	if (!(x & 0xffff)) {
-		x >>= 16;
-		r += 16;
-	}
-	if (!(x & 0xff)) {
-		x >>= 8;
-		r += 8;
-	}
-	if (!(x & 0xf)) {
-		x >>= 4;
-		r += 4;
-	}
-	if (!(x & 3)) {
-		x >>= 2;
-		r += 2;
-	}
-	if (!(x & 1)) {
-		x >>= 1;
-		r += 1;
-	}
-	return r;
-}
-
-
-/*
- * fls - find last (most-significant) bit set
- * @x: the word to search
- *
- * This is defined the same way as ffs.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
- */
-int ls1b_fls(int x)
-{
-    int r = 32;
-
-    if (!x)
-        return 0;
-    if (!(x & 0xffff0000u))
-    {
-        x <<= 16;
-        r -= 16;
-    }
-    if (!(x & 0xff000000u))
-    {
-        x <<= 8;
-        r -= 8;
-    }
-    if (!(x & 0xf0000000u))
-    {
-        x <<= 4;
-        r -= 4;
-    }
-    if (!(x & 0xc0000000u))
-    {
-        x <<= 2;
-        r -= 2;
-    }
-    if (!(x & 0x80000000u))
-    {
-        x <<= 1;
-        r -= 1;
-    }
-
-    return r;
-}
-
-
diff --git a/bsp/ls1bdev/libraries/ls1b_public.h b/bsp/ls1bdev/libraries/ls1b_public.h
deleted file mode 100644
index 875f413062..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_public.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- */
-
-// 一些常用的、共用的接口
-
-#ifndef __LOONGSON_PUBLIC_H
-#define __LOONGSON_PUBLIC_H
-
-
-#include <stdio.h>
-
-
-// pmon提供的打印函数，见main()函数
-struct callvectors {
-	int     (*open) (char *, int, int);
-	int     (*close) (int);
-	int     (*read) (int, void *, int);
-	int     (*write) (int, void *, int);
-	long long   (*lseek) (int, long long, int);
-	int     (*printf) (const char *, ...);
-	void    (*cacheflush) (void);
-	char    *(*gets) (char *);
-};
-#define	myprintf (*callvec->printf)
-#define	mygets   (*callvec->gets)
-extern struct callvectors *callvec;
-
-
-#define MIN(a, b)           ((a) > (b) ? (b) : (a))
-#define MAX(a, b)           ((a) > (b) ? (a) : (b))
-
-#define DIV_ROUND_UP(n, d)      (((n) + (d) - 1) / (d))
-
-typedef enum
-{
-    FALSE=0, 
-    TRUE=1
-}BOOL;
-
-/*
- * 将指定寄存器的指定位置1
- * @reg 寄存器地址
- * @bit 需要置1的那一bit
- */
-void reg_set_one_bit(volatile unsigned int *reg, unsigned int bit);
-
-
-/*
- * 将指定寄存器的指定位清零
- * @reg 寄存器地址
- * @bit 需要清零的那一bit
- */
-void reg_clr_one_bit(volatile unsigned int *reg, unsigned int bit);
-
-
-/*
- * 获取指定寄存器的指定位的值
- * @reg 寄存器地址
- * @bit 需要读取值的那一bit
- * @ret 指定位的值
- */
-unsigned int reg_get_bit(volatile unsigned int *reg, unsigned int bit);
-
-
-/*
- * 向寄存器中写入8bit(一个字节)数据
- * @data 待写入的数据
- * @addr 寄存器地址
- */
-void reg_write_8(unsigned char data, volatile unsigned char *addr);
-
-
-/*
- * 从寄存器读出8bit(一个字节)数据
- * @addr 寄存器地址
- * @ret 读出的数据
- */
-unsigned char reg_read_8(volatile unsigned char *addr);
-
-
-/*
- * 向寄存器中写一个32bit的数据
- * @data 待写入的数据
- * @addr 寄存器地址
- */
-void reg_write_32(unsigned int data, volatile unsigned int *addr);
-
-
-/*
- * 从寄存器读出一个32bit数据
- * @addr 寄存器地址
- * @ret 读出的数据
- */
-unsigned int reg_read_32(volatile unsigned int *addr);
-
-
-/**
- * ffs - find first bit set
- * @x: the word to search
- */
-int ls1b_ffs(int x);
-
-/*
- * fls - find last (most-significant) bit set
- * @x: the word to search
- *
- * This is defined the same way as ffs.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
- */
-int ls1b_fls(int x);
-
-
-#endif
-
diff --git a/bsp/ls1bdev/libraries/ls1b_regs.h b/bsp/ls1bdev/libraries/ls1b_regs.h
deleted file mode 100644
index 6dad9c29bb..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_regs.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-09-06     勤为本       first version
- * 2021-02-02     [email protected]       adapt to ls1b
- */
-
-// 龙芯1b外设寄存器
-
-
-#ifndef __LOONGSON_LS1B_REGS_H
-#define __LOONGSON_LS1B_REGS_H
-
-
-
-
-// 时钟相关寄存器地址
-#define LS1B_START_FREQ                     (0xbfe78030)
-#define LS1B_CLK_DIV_PARAM                  (0xbfe78034)
-
-
-// gpio相关寄存器地址
-#define LS1B_GPIO_CFG0                      (0xbfd010c0)
-#define LS1B_GPIO_EN0                       (0xbfd010d0)
-#define LS1B_GPIO_IN0                       (0xbfd010e0)
-#define LS1B_GPIO_OUT0                      (0xbfd010f0)
-
-#define LS1B_GPIO_CFG1                      (0xbfd010c4)
-#define LS1B_GPIO_EN1                       (0xbfd010d4)
-#define LS1B_GPIO_IN1                       (0xbfd010e4)
-#define LS1B_GPIO_OUT1                      (0xbfd010f4)
-
-
-
-// 复用相关寄存器
-#define LS1B_CBUS_FIRST0                    (0xbfd011c0)
-#define LS1B_CBUS_SECOND0                   (0xbfd011d0)
-#define LS1B_CBUS_THIRD0                    (0xbfd011e0)
-#define LS1B_CBUS_FOURTH0                   (0xbfd011f0)
-#define LS1B_CBUS_FIFTH0                    (0xbfd01200)
-
-#define LS1B_CBUS_FIRST1                    (0xbfd011c4)
-#define LS1B_CBUS_SECOND1                   (0xbfd011d4)
-#define LS1B_CBUS_THIRD1                    (0xbfd011e4)
-#define LS1B_CBUS_FOURTH1                   (0xbfd011f4)
-#define LS1B_CBUS_FIFTH1                    (0xbfd01204)
-
-#define LS1B_CBUS_FIRST2                    (0xbfd011c8)
-#define LS1B_CBUS_SECOND2                   (0xbfd011d8)
-#define LS1B_CBUS_THIRD2                    (0xbfd011e8)
-#define LS1B_CBUS_FOURTH2                   (0xbfd011f8)
-#define LS1B_CBUS_FIFTH2                    (0xbfd01208)
-
-#define LS1B_CBUS_FIRST3                    (0xbfd011cc)
-#define LS1B_CBUS_SECOND3                   (0xbfd011dc)
-#define LS1B_CBUS_THIRD3                    (0xbfd011ec)
-#define LS1B_CBUS_FOURTH3                   (0xbfd011fc)
-#define LS1B_CBUS_FIFTH3                    (0xbfd0120c)
-
-
-// PWM寄存器偏移
-#define LS1B_PWM_CNTR                       (0x0)
-#define LS1B_PWM_HRC                        (0x4)
-#define LS1B_PWM_LRC                        (0x8)
-#define LS1B_PWM_CTRL                       (0xC)
-// PWM基地址
-#define LS1B_REG_BASE_PWM0                  (0xbfe5c000)
-#define LS1B_REG_BASE_PWM1                  (0xbfe5c010)
-#define LS1B_REG_BASE_PWM2                  (0xbfe5c020)
-#define LS1B_REG_BASE_PWM3                  (0xbfe5c030)
-
-//CAN基地址
-#define  LS1B_REG_BASE_CAN0				    (0xbfe50000)
-#define  LS1B_REG_BASE_CAN1					(0xbfe54000)
-
-// 中断配置寄存器
-#define LS1B_INT0_SR                        (0xbfd01040)
-#define LS1B_INT0_EN                        (0xbfd01044)
-#define LS1B_INT0_SET                       (0xbfd01048)
-#define LS1B_INT0_CLR                       (0xbfd0104c)
-#define LS1B_INT0_POL                       (0xbfd01050)
-#define LS1B_INT0_EDGE                      (0xbfd01054)
-
-#define LS1B_INT1_SR                        (0xbfd01058)
-#define LS1B_INT1_EN                        (0xbfd0105c)
-#define LS1B_INT1_SET                       (0xbfd01060)
-#define LS1B_INT1_CLR                       (0xbfd01064)
-#define LS1B_INT1_POL                       (0xbfd01068)
-#define LS1B_INT1_EDGE                      (0xbfd0106c)
-
-#define LS1B_INT2_SR                        (0xbfd01070)
-#define LS1B_INT2_EN                        (0xbfd01074)
-#define LS1B_INT2_SET                       (0xbfd01078)
-#define LS1B_INT2_CLR                       (0xbfd0107c)
-#define LS1B_INT2_POL                       (0xbfd01080)
-#define LS1B_INT2_EDGE                      (0xbfd01084)
-
-#define LS1B_INT3_SR                        (0xbfd01088)
-#define LS1B_INT3_EN                        (0xbfd0108c)
-#define LS1B_INT3_SET                       (0xbfd01090)
-#define LS1B_INT3_CLR                       (0xbfd01094)
-#define LS1B_INT3_POL                       (0xbfd01098)
-#define LS1B_INT3_EDGE                      (0xbfd0109c)
-
-#define LS1B_INT4_SR                        (0xbfd010a0)
-#define LS1B_INT4_EN                        (0xbfd010a4)
-#define LS1B_INT4_SET                       (0xbfd010a8)
-#define LS1B_INT4_CLR                       (0xbfd010ac)
-#define LS1B_INT4_POL                       (0xbfd010b0)
-#define LS1B_INT4_EDGE                      (0xbfd010b4)
-
-
-// I2C寄存器
-#define LS1B_I2C0_BASE                      (0xbfe58000)
-#define LS1B_I2C1_BASE                      (0xbfe68000)
-#define LS1B_I2C2_BASE                      (0xbfe70000)
-
-
-// SPI寄存器
-#define LS1B_SPI0_BASE                      (0xbfe80000)
-#define LS1B_SPI1_BASE                      (0xbfec0000)
-
-
-// 串口寄存器
-#define LS1B_UART00_BASE                    (0xbfe40000)
-#define LS1B_UART01_BASE                    (0xbfe41000)
-#define LS1B_UART1_BASE                     (0xbfe44000)
-#define LS1B_UART2_BASE                     (0xbfe48000)
-#define LS1B_UART3_BASE                     (0xbfe4c000)
-#define LS1B_UART4_BASE                     (0xbfe6c000)
-#define LS1B_UART5_BASE                     (0xbfe7c000)
-#define LS1B_UART6_BASE                     (0xbfe41000)
-#define LS1B_UART7_BASE                     (0xbfe42000)
-#define LS1B_UART8_BASE                     (0xbfe43000)
-#define LS1B_UART9_BASE                     (0xbfe45000)
-#define LS1B_UART10_BASE                    (0xbfe46000)
-#define LS1B_UART11_BASE                    (0xbfe47000)
-
-//RTC寄存器
-#define LS1B_RTC_BASE                       (0xbfe64024)
-
-
-#endif
-
diff --git a/bsp/ls1bdev/libraries/ls1b_uart.c b/bsp/ls1bdev/libraries/ls1b_uart.c
deleted file mode 100644
index 73d88438f5..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_uart.c
+++ /dev/null
@@ -1,251 +0,0 @@
- /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-02-02   [email protected]   adapt to ls1b
- */
-// 串口相关源码
-
-#include <stdio.h>
-#include <stdarg.h>
-#include "ls1b_public.h"
-#include "ls1b_regs.h"
-#include "ls1b_pin.h"
-#include "ls1b_uart.h"
-#include "ls1b_clock.h"
-#include "ls1b.h"
-
-
-// 串口线路状态寄存器的位域
-#define LS1B_UART_LSR_TE                (1 << 6)
-#define LS1B_UART_LSR_TFE               (1 << 5)
-
-
-// 打印缓存的大小
-#define LS1B_UART_PRINT_BUF_SIZE        (256)
-
-
-// 调试串口信息
-ls1b_uart_info_t debug_uart_info = {0};
-
-
-/*
- * 获取指定串口模块的基地址
- * @UARTx 串口编号
- * @ret 基地址
- */
-void *uart_get_base(ls1b_uart_t UARTx)
-{
-    void *base = NULL;
-
-    switch (UARTx)
-    {
-        case LS1B_UART00:
-            base = (void *)LS1B_UART00_BASE;
-            break;
-        case LS1B_UART01:
-            base = (void *)LS1B_UART01_BASE;
-            break;
-
-        case LS1B_UART1:
-            base = (void *)LS1B_UART1_BASE;
-            break;
-        
-        case LS1B_UART2:
-            base = (void *)LS1B_UART2_BASE;
-            break;
-
-        case LS1B_UART3:
-            base = (void *)LS1B_UART3_BASE;
-            break;
-        
-        case LS1B_UART4:
-            base = (void *)LS1B_UART4_BASE;
-            break;
-
-        case LS1B_UART5:
-            base = (void *)LS1B_UART5_BASE;
-            break;
-
-        case LS1B_UART6:
-            base = (void *)LS1B_UART6_BASE;
-            break;
-
-        case LS1B_UART7:
-            base = (void *)LS1B_UART7_BASE;
-            break;
-
-        case LS1B_UART8:
-            base = (void *)LS1B_UART8_BASE;
-            break;
-
-        case LS1B_UART9:
-            base = (void *)LS1B_UART9_BASE;
-            break;
-
-        case LS1B_UART10:
-            base = (void *)LS1B_UART10_BASE;
-            break;
-
-        case LS1B_UART11:
-            base = (void *)LS1B_UART11_BASE;
-            break;
-
-        default:
-            break;
-    }
-
-    return base;
-}
-
-
-/*
- * 初始化指定的串口模块
- * @uart_info_p 串口模块信息
- */
-void uart_init(ls1b_uart_info_t *uart_info_p)
-{
-    void *uart_base = uart_get_base(uart_info_p->UARTx);
-    unsigned long baudrate_div = 0;
-
-    // 禁止所有中断
-    reg_write_8(0,      uart_base + LS1B_UART_IER_OFFSET);
-
-    // 接收FIFO的中断申请Trigger为14字节，清空发送和接收FIFO，并复位
-    reg_write_8(0xc3,   uart_base + LS1B_UART_FCR_OFFSET);
-
-    // 设置波特率
-    reg_write_8(0x80,   uart_base + LS1B_UART_LCR_OFFSET);
-    baudrate_div = clk_get_apb_rate() / 16 / uart_info_p->baudrate;
-    reg_write_8((baudrate_div >> 8) & 0xff, uart_base + LS1B_UART_MSB_OFFSET);
-    reg_write_8(baudrate_div & 0xff,        uart_base + LS1B_UART_LSB_OFFSET);
-
-    // 8个数据位，1个停止位，无校验
-    reg_write_8(0x03,   uart_base + LS1B_UART_LCR_OFFSET);
-
-    // 使能接收中断
-    if (TRUE == uart_info_p->rx_enable)
-    {
-        reg_write_8(IER_IRxE|IER_ILE , uart_base + LS1B_UART_IER_OFFSET);
-    }
-
-    return ;
-}
-
-
-/*
- * 判断FIFO是否为空
- * @uartx 串口号
- * @ret TRUE or FALSE
- */
-BOOL uart_is_transmit_empty(ls1b_uart_t uartx)
-{
-    void *uart_base = uart_get_base(uartx);
-    unsigned char status = reg_read_8(uart_base + LS1B_UART_LSR_OFFSET);
-
-    if (status & (LS1B_UART_LSR_TE | LS1B_UART_LSR_TFE))
-    {
-        return TRUE;
-    }
-    else
-    {
-        return FALSE;
-    }
-}
-
-
-/*
- * 发送一个字节
- * @uartx 串口号
- * @ch 待发送的字符串
- */
-void uart_putc(ls1b_uart_t uartx, unsigned char ch)
-{
-    void *uart_base = uart_get_base(uartx);
-    
-    // 等待
-    while (FALSE == uart_is_transmit_empty(uartx))
-        ;
-
-    // 发送
-    reg_write_8(ch, uart_base + LS1B_UART_DAT_OFFSET);
-
-    return ;
-}
-
-
-/*
- * 打印一个字符串到指定串口
- * @uartx 串口号
- * @str 待打印的字符串
- */
-void uart_print(ls1b_uart_t uartx, const char *str)
-{
-    while ('\0' != *str)                // 判断是否为字符串结束符
-    {
-        uart_putc(uartx, *str);   // 发送一个字符
-        str++;
-    }
-
-    return ;
-}
-
-
-/*
- * 初始化串口2
- */
-void uart2_init(void)
-{
-    unsigned int tx_gpio = 37;
-    unsigned int rx_gpio = 36;
-
-    // 设置复用
-    pin_set_remap(tx_gpio, PIN_REMAP_SECOND);
-    pin_set_remap(rx_gpio, PIN_REMAP_SECOND);
-    
-    // 初始化相关寄存器
-    debug_uart_info.UARTx = LS1B_UART2;
-    debug_uart_info.baudrate = 115200;
-    debug_uart_info.rx_enable = FALSE;  // 调试串口只需要打印(发送)功能，不需要接收功能
-    uart_init(&debug_uart_info);
-
-    return ;
-}
-
-
-/*
- * 在串口2上打印字符串
- * @str 待打印的字符串
- */
-void uart2_print(const char *str)
-{
-    uart_print(LS1B_UART2, str);
-    return ;
-}
-
-
-/*
- * 在调试串口打印字符串
- * @str 待打印的字符串
- */
-void uart_debug_print(const char *str)
-{
-    uart_print(debug_uart_info.UARTx, str);
-    return ;
-}
-
-
-/*
- * 在调试串口打印一个字符
- * @ch 待打印的字符
- */
-void uart_debug_putc(unsigned char ch)
-{
-    uart_putc(debug_uart_info.UARTx, ch);
-    return ;
-}
-
-
diff --git a/bsp/ls1bdev/libraries/ls1b_uart.h b/bsp/ls1bdev/libraries/ls1b_uart.h
deleted file mode 100644
index 88ee2793ad..0000000000
--- a/bsp/ls1bdev/libraries/ls1b_uart.h
+++ /dev/null
@@ -1,181 +0,0 @@
- /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-02-02   [email protected]	adapt to ls1b
- */
-// 串口相关头文件
-
-
-#ifndef __LOONGSON_UART_H
-#define __LOONGSON_UART_H
-
-
-#include "ls1b_public.h"
-
-
-// 串口各寄存器相对基地址的偏移
-#define LS1B_UART_DAT_OFFSET            (0)
-#define LS1B_UART_IER_OFFSET            (1)
-#define LS1B_UART_IIR_OFFSET            (2)
-#define LS1B_UART_FCR_OFFSET            (2)
-#define LS1B_UART_LCR_OFFSET            (3)
-#define LS1B_UART_MCR_OFFSET            (4)
-#define LS1B_UART_LSR_OFFSET            (5)
-#define LS1B_UART_MSR_OFFSET            (6)
-
-#define LS1B_UART_LSB_OFFSET            (0)     // 分频锁存器1
-#define LS1B_UART_MSB_OFFSET            (1)     // 分频锁存器2
-
-/* interrupt enable register */
-#define	IER_IRxE	0x1	/* 接收有效数据中断使能 */
-#define	IER_ITxE	0x2	/* 传输保存寄存器为空中断使能 */
-#define	IER_ILE	    0x4	/* 接收器线路状态中断使能 */
-#define	IER_IME	    0x8	/* Modem状态中断使能 */
-
-/* interrupt identification register */
-#define	IIR_IMASK	0xf	/* mask */
-#define	IIR_RXTOUT	0xc	/* receive timeout */
-#define	IIR_RLS		0x6	/* receive line status */
-#define	IIR_RXRDY	0x4	/* receive ready */
-#define	IIR_TXRDY	0x2	/* transmit ready */
-#define	IIR_NOPEND	0x1	/* nothing */
-#define	IIR_MLSC	0x0	/* modem status */
-#define	IIR_FIFO_MASK	0xc0	/* set if FIFOs are enabled */
-
-/* fifo control register */
-#define	FIFO_ENABLE		0x01	/* enable fifo */
-#define	FIFO_RCV_RST	0x02	/* reset receive fifo */
-#define	FIFO_XMT_RST	0x04	/* reset transmit fifo */
-#define	FIFO_DMA_MODE	0x08	/* enable dma mode */
-#define	FIFO_TRIGGER_1	0x00	/* trigger at 1 char */
-#define	FIFO_TRIGGER_4	0x40	/* trigger at 4 chars */
-#define	FIFO_TRIGGER_8	0x80	/* trigger at 8 chars */
-#define	FIFO_TRIGGER_14	0xc0	/* trigger at 14 chars */
-
-// 线路控制寄存器
-/* character format control register */
-#define	CFCR_DLAB	0x80	/* divisor latch */
-#define	CFCR_SBREAK	0x40	/* send break */
-#define	CFCR_PZERO	0x30	/* zero parity */
-#define	CFCR_PONE	0x20	/* one parity */
-#define	CFCR_PEVEN	0x10	/* even parity */
-#define	CFCR_PODD	0x00	/* odd parity */
-#define	CFCR_PENAB	0x08	/* parity enable */
-#define	CFCR_STOPB	0x04	/* 2 stop bits */
-#define	CFCR_8BITS	0x03	/* 8 data bits */
-#define	CFCR_7BITS	0x02	/* 7 data bits */
-#define	CFCR_6BITS	0x01	/* 6 data bits */
-#define	CFCR_5BITS	0x00	/* 5 data bits */
-
-/* modem control register */
-#define	MCR_LOOPBACK	0x10	/* loopback */
-#define	MCR_IENABLE	0x08	/* output 2 = int enable */
-#define	MCR_DRS		0x04	/* output 1 = xxx */
-#define	MCR_RTS		0x02	/* enable RTS */
-#define	MCR_DTR		0x01	/* enable DTR */
-
-/* line status register */
-#define	LSR_RCV_FIFO	0x80	/* error in receive fifo */
-#define	LSR_TSRE	0x40	/* transmitter empty */
-#define	LSR_TXRDY	0x20	/* transmitter ready */
-#define	LSR_BI		0x10	/* break detected */
-#define	LSR_FE		0x08	/* framing error */
-#define	LSR_PE		0x04	/* parity error */
-#define	LSR_OE		0x02	/* overrun error */
-#define	LSR_RXRDY	0x01	/* receiver ready */
-#define	LSR_RCV_MASK	0x1f
-
-
-// 串口模块编号
-typedef enum
-{
-    LS1B_UART00 = 0,        // 全功能串口UART0可以分为两个四线串口UART00和UART01
-    LS1B_UART01,
-    LS1B_UART1,
-    LS1B_UART2,
-    LS1B_UART3,
-    LS1B_UART4,
-    LS1B_UART5,
-    LS1B_UART6,
-    LS1B_UART7,
-    LS1B_UART8,
-    LS1B_UART9,
-    LS1B_UART10,
-    LS1B_UART11
-}ls1b_uart_t;
-
-
-// 串口信息
-typedef struct
-{
-    ls1b_uart_t UARTx;              // 串口模块编号
-    unsigned int baudrate;          // 波特率
-    BOOL rx_enable;                 // 是否需要使用串口接收数据(使能接收中断)，发送默认使能
-}ls1b_uart_info_t;
-
-
-
-/*
- * 获取指定串口模块的基地址
- * @UARTx 串口编号
- * @ret 基地址
- */
-void *uart_get_base(ls1b_uart_t UARTx);
-
-
-/*
- * 初始化指定的串口模块
- * @uart_info_p 串口模块信息
- */
-void uart_init(ls1b_uart_info_t *uart_info_p);
-
-
-/*
- * 初始化串口2
- */
-void uart2_init(void);
-
-
-/*
- * 在串口2上打印字符串
- * @str 待打印的字符串
- */
-void uart2_print(const char *str);
-
-
-/*
- * 在调试串口打印字符串
- * @str 待打印的字符串
- */
-void uart_debug_print(const char *str);
-
-
-/*
- * 在调试串口打印一个字符
- * @ch 待打印的字符
- */
-void uart_debug_putc(unsigned char ch);
-
-
-/*
- * 发送一个字节
- * @uartx 串口号
- * @ch 待发送的字符串
- */
-void uart_putc(ls1b_uart_t uartx, unsigned char ch);
-
-
-/*
- * 打印一个字符串到指定串口
- * @uartx 串口号
- * @str 待打印的字符串
- */
-void uart_print(ls1b_uart_t uartx, const char *str);
-
-
-#endif
-