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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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951
bsp/mini4020/drivers/sdcard.c
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54
bsp/mini4020/drivers/sdcard.h
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@ -20,40 +20,40 @@
#include <sep4020.h> #include <sep4020.h>
#define INICLK 300000 #define INICLK 300000
#define SDCLK 24000000 //PCLK=49.392MHz #define SDCLK 24000000 //PCLK=49.392MHz
#define MMCCLK 15000000 //PCLK=49.392MHz #define MMCCLK 15000000 //PCLK=49.392MHz
/*struct of the SDC*/ /*struct of the SDC*/
struct sd_c struct sd_c
{ {
__IO rt_uint32_t clk_ctl; __IO rt_uint32_t clk_ctl;
__IO rt_uint32_t soft_rst; __IO rt_uint32_t soft_rst;
__IO rt_uint32_t arg; __IO rt_uint32_t arg;
__IO rt_uint32_t cmd; __IO rt_uint32_t cmd;
__IO rt_uint32_t blk_sz; __IO rt_uint32_t blk_sz;
__IO rt_uint32_t blk_cnt; __IO rt_uint32_t blk_cnt;
__IO rt_uint32_t trans_mode; __IO rt_uint32_t trans_mode;
__O rt_uint32_t response0; __O rt_uint32_t response0;
__O rt_uint32_t response1; __O rt_uint32_t response1;
__O rt_uint32_t response2; __O rt_uint32_t response2;
__O rt_uint32_t response3; __O rt_uint32_t response3;
__IO rt_uint32_t rd_to_ctl; __IO rt_uint32_t rd_to_ctl;
__IO rt_uint32_t int_stat; __IO rt_uint32_t int_stat;
__IO rt_uint32_t int_stat_mask; __IO rt_uint32_t int_stat_mask;
__O rt_uint32_t rx_fifo; __O rt_uint32_t rx_fifo;
__I rt_uint32_t tx_fifo; __I rt_uint32_t tx_fifo;
}; };
/*sdcard driver structure*/ /*sdcard driver structure*/
struct sd_device struct sd_device
{ {
struct rt_device *device; /*rt_device*/ struct rt_device *device; /*rt_device*/
struct sd_c *sdc; /*SDCARD register*/ struct sd_c *sdc; /*SDCARD register*/
struct dfs_partition *part; /*dfs partitions*/ struct dfs_partition *part; /*dfs partitions*/
rt_uint8_t *sec_buf; /*sdcard buffer*/ rt_uint8_t *sec_buf; /*sdcard buffer*/
rt_uint32_t part_num; /*partiont numbers*/ rt_uint32_t part_num; /*partiont numbers*/
rt_uint32_t buf_size; /*buffer size*/ rt_uint32_t buf_size; /*buffer size*/
}; };
#endif #endif