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[BSP] Update sdcard driver in mini4020

This commit is contained in:
Bernard Xiong 2018-03-04 17:37:16 +08:00
parent 8203b6004b
commit f6a7136226
2 changed files with 586 additions and 585 deletions
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131
bsp/mini4020/drivers/sdcard.c
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@ -14,15 +14,14 @@
* 2010-10-13 Wangmeng Added sep4020 support
*/
#include "sdcard.h"
//#include <dfs_config.h>
#include <rtthread.h>
volatile rt_int32_t RCA;
#include "sdcard.h"
#ifdef RT_USING_DFS
volatile rt_int32_t RCA;
/* RT-Thread Device Driver Interface */
#include <rtthread.h>
#include <dfs_fs.h>
/*GLOBAL SD DEVICE PONITER*/
@ -62,9 +61,11 @@ static void delay (U32 j)
U32 i;
for (i = 0; i < j; i++)
{};
{
/* nothing */
}
}
/*
* Send the command to set the data transfer mode
* @param cmd:the command to sent
@ -81,22 +82,22 @@ static rt_err_t cmd_data(U16 cmd,U32 arg,U16 mode,U16 blk_len,U16 num,U16 mask)
U32 to = 10000;
#endif
*(RP)SDC_CLOCK_CONTROL = 0Xff00; //配置SD时钟，512分频,关闭SD 时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04; //打开SD时钟，512分频,开启SD 时钟
*(RP)SDC_INTERRUPT_STATUS_MASK = mask; //中断状态屏蔽寄存器赋值
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_INTERRUPT_STATUS_MASK = mask;
*(RP)SDC_TRANSFER_MODE = mode; //传输模式选择寄存器赋值
*(RP)SDC_TRANSFER_MODE = mode;
*(RP)SDC_BLOCK_SIZE = blk_len; //数据块长度寄存器赋值
*(RP)SDC_BLOCK_COUNT = num; //数据块数目寄存器赋值
*(RP)SDC_ARGUMENT = arg; //命令参数寄存器赋值
*(RP)SDC_COMMAND = cmd; //命令控制寄存器赋值
*(RP)SDC_BLOCK_SIZE = blk_len;
*(RP)SDC_BLOCK_COUNT = num;
*(RP)SDC_ARGUMENT = arg;
*(RP)SDC_COMMAND = cmd;
delay(10);
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
while(i != 0x1000) //判断：是否命令发送完毕，并且收到响应
while (i != 0x1000)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
#ifdef USE_TIMEOUT
@ -110,11 +111,7 @@ static rt_err_t cmd_data(U16 cmd,U32 arg,U16 mode,U16 blk_len,U16 num,U16 mask)
}
delay(160);
#ifdef USE_TIMEOUT
//DBOUT("cmd_data TO is %d\n",to);
#endif
return *(RP)SDC_RESPONSE0; //返回命令反馈信息
return *(RP)SDC_RESPONSE0;
}
static rt_err_t cmd_response(U16 Cmd, U32 Arg, U16 TransMode, U16 BlkLen, U16 Nob, U16 IntMask)
@ -124,23 +121,23 @@ static rt_err_t cmd_response(U16 Cmd,U32 Arg,U16 TransMode,U16 BlkLen,U16 Nob,U1
U32 to = 50000;
#endif
*(RP)SDC_CLOCK_CONTROL=0Xff00; //配置SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL=0Xff04; //打开SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_INTERRUPT_STATUS_MASK=IntMask; //中断状态屏蔽寄存器赋值
*(RP)SDC_TRANSFER_MODE=TransMode; //传输模式选择寄存器赋值
*(RP)SDC_BLOCK_SIZE=BlkLen; //数据块长度寄存器赋值
*(RP)SDC_BLOCK_COUNT=Nob; //数据块数目寄存器赋值
*(RP)SDC_ARGUMENT=Arg; //命令参数寄存器赋值
*(RP)SDC_COMMAND=Cmd; //命令控制寄存器赋值
*(RP)SDC_INTERRUPT_STATUS_MASK = IntMask;
*(RP)SDC_TRANSFER_MODE = TransMode;
*(RP)SDC_BLOCK_SIZE = BlkLen;
*(RP)SDC_BLOCK_COUNT = Nob;
*(RP)SDC_ARGUMENT = Arg;
*(RP)SDC_COMMAND = Cmd;
delay(10);
i = *(RP)SDC_INTERRUPT_STATUS & 0x1040;
while(i != 0x1040) //判断：命令发送完毕，并且收到响应，数据传输完毕。这三项是否已经都完成。
while (i != 0x1040)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1040;
#ifdef USE_TIMEOUT
@ -156,8 +153,9 @@ static rt_err_t cmd_response(U16 Cmd,U32 Arg,U16 TransMode,U16 BlkLen,U16 Nob,U1
//DBOUT("cmd_response TO is %d\n",to);
delay(100);
return RT_EOK; //返回命令反馈信息
return RT_EOK;
}
static rt_err_t cmd_wait(U16 Cmd, U32 Arg, U16 IntMask)
{
int i;
@ -165,19 +163,19 @@ static rt_err_t cmd_wait(U16 Cmd,U32 Arg,U16 IntMask )
U32 to = 200000;
#endif
*(RP)SDC_CLOCK_CONTROL=0Xff00; //配置SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL=0Xff04; //打开SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_COMMAND=Cmd; //命令控制寄存器赋值
*(RP)SDC_COMMAND = Cmd;
*(RP)SDC_INTERRUPT_STATUS_MASK=IntMask; //中断状态屏蔽寄存器赋值
*(RP)SDC_INTERRUPT_STATUS_MASK = IntMask;
*(RP)SDC_ARGUMENT=Arg; //命令参数寄存器赋值
*(RP)SDC_ARGUMENT = Arg;
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
while(i != 0x1000) //判断：是否命令发送完毕，并且收到响应
while (i != 0x1000)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
#ifdef USE_TIMEOUT
@ -195,8 +193,9 @@ static rt_err_t cmd_wait(U16 Cmd,U32 Arg,U16 IntMask )
delay(10);
return RT_EOK; //返回命令反馈信息以及数值1
return RT_EOK;
}
/**
* This function will set a hook function, which will be invoked when a memory
* block is allocated from heap memory.
@ -211,16 +210,16 @@ static rt_err_t sd_init(void)
#endif
sd_pwr(1);
*(RP)SDC_SOFTWARE_RESET=0x0; //触发软复位,对其写0是进行reset
*(RP)SDC_SOFTWARE_RESET = 0x0;
delay(200);
*(RP)SDC_SOFTWARE_RESET=0x1; //不触发软复位
*(RP)SDC_SOFTWARE_RESET = 0x1;
delay(200);
cmd_wait(0x08,0x0,0xfff); //CMD0，命令发送使能
cmd_wait(0x08, 0x0, 0xfff);
do
{
err = cmd_wait(0x6ea,0x0,0xfff); //CMD55,以切换到ACMD命令
err = cmd_wait(0x6ea, 0x0, 0xfff);
#ifdef USE_TIMEOUT
if (err != RT_EOK)
@ -231,7 +230,7 @@ static rt_err_t sd_init(void)
#endif
delay(3);
err = cmd_wait(0x52a,0x80ff8000,0xfff); //ACMD41，向SD控制器发送命令，等待SD控制器确认收到命令
err = cmd_wait(0x52a, 0x80ff8000, 0xfff);
if (err != RT_EOK)
{
EOUT("cmd_wait err in %s\n", __FUNCTION__);
@ -246,16 +245,13 @@ static rt_err_t sd_init(void)
}
#endif
}while(*(RP)SDC_RESPONSE0<0X80008000);
}
while (*(RP)SDC_RESPONSE0 < 0X80008000);
#ifdef USE_TIMEOUT
//DBOUT("%s TO is %d\n",__FUNCTION__,to);
#endif
cmd_data(0x49,0X0,0X0,0x0,0x0,0Xfff);//CMD2，发送CID
cmd_data(0x6a,0X0,0X0,0x0,0x0,0Xfff);//CMD3，询问卡片发出新的相关地址
cmd_data(0x49, 0X0, 0X0, 0x0, 0x0, 0Xfff);
cmd_data(0x6a, 0X0, 0X0, 0x0, 0x0, 0Xfff);
RCA = *(RP)SDC_RESPONSE0;
cmd_data(0xea,RCA,0X0,0x0,0x0,0Xfff);//CMD7，设置选择性的相关参数
cmd_data(0xea, RCA, 0X0, 0x0, 0x0, 0Xfff);
return RT_EOK;
}
@ -276,7 +272,6 @@ static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
rt_uint32_t to = 10;
#endif
//rt_kprintf("in readblock:%x\n",address);
//Clear all the errors & interrups
*(RP)DMAC_INTINTERRCLR |= 0x1;
@ -409,21 +404,20 @@ static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t* buf)
*(RP)DMAC_INTTCCLEAR |= 0x1;
*(RP)DMAC_INTTCCLEAR &= ~0x1;
//***********************配置DMA2进行四位写*************************
*(RP)DMAC_C2SRCADDR = (U32)buf; //DMAC道2源地址赋为0x30200000
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS; //DMAC道2目的地址赋为发送FIFO的地址
*(RP)DMAC_C2CONTROL = 0x20149b; //传输尺寸0x080,源地址增加目的地址不增加，传输宽度32bit，传输的数目4
*(RP)DMAC_C2CONFIGURATION = 0x380b; //不屏蔽传输中断，屏蔽错误中断，通道使能，传输类型：存储器到外设
*(RP)DMAC_C2SRCADDR = (U32)buf;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b;
*(RP)DMAC_C2CONFIGURATION = 0x380b;
err = cmd_wait(0x6ea,RCA,0xfff); //CMD55，以切换到ACMD命令
err = cmd_wait(0x6ea, RCA, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
}
err = cmd_wait(0xca,0x2,0xfff); //ACMD6，定义数据线宽度，48 位短反馈，无数据传输
err = cmd_wait(0xca, 0x2, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
@ -439,7 +433,7 @@ static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t* buf)
complete = *(RP)SDC_INTERRUPT_STATUS;
if((complete |0xfffffffe) !=0xfffffffe) //响应超时错误
if ((complete | 0xfffffffe) != 0xfffffffe)
{
//printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
@ -538,8 +532,16 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
rt_uint8_t status;
rt_uint32_t index;
///*take the semaphore
struct dfs_partition *part = (struct dfs_partition *)dev->user_data;
struct dfs_partition *part;
if (dev == RT_NULL)
{
rt_set_errno(-DFS_STATUS_EINVAL);
return 0;
}
part = (struct dfs_partition *)dev->user_data;
// take the semaphore
rt_sem_take(part->lock, RT_WAITING_FOREVER);
while (retry--)
{
@ -586,8 +588,7 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
{
int i;
rt_uint8_t status;
struct dfs_partition *part = (struct dfs_partition *)dev->user_data;
struct dfs_partition *part;
if (dev == RT_NULL)
{
@ -595,6 +596,8 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
return 0;
}
part = (struct dfs_partition *)dev->user_data;
rt_sem_take(part->lock, RT_WAITING_FOREVER);
if (((rt_uint32_t)buffer % 4 != 0) ||
@ -783,8 +786,6 @@ rt_err_t rt_hw_sdcard_init()
ptr_sddev = RT_NULL;
return err;
}
#endif