90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
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#ifndef __SDMMC_H__
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#define __SDMMC_H__
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#include <stdint.h>
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#define SDMMC_BASE 0x10006000
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#define REG_SDSTATUS0 0x1c
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#define REG_SDSTATUS1 0x1e
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#define REG_SDRESET 0xe0
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#define REG_SDCLKCTL 0x24
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#define REG_SDOPT 0x28
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#define REG_SDCMD 0x00
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#define REG_SDCMDARG 0x04
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#define REG_SDCMDARG0 0x04
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#define REG_SDCMDARG1 0x06
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#define REG_SDSTOP 0x08
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#define REG_SDRESP 0x0c
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#define REG_SDRESP0 0x0c
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#define REG_SDRESP1 0x0e
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#define REG_SDRESP2 0x10
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#define REG_SDRESP3 0x12
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#define REG_SDRESP4 0x14
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#define REG_SDRESP5 0x16
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#define REG_SDRESP6 0x18
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#define REG_SDRESP7 0x1a
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#define REG_SDBLKLEN 0x26
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#define REG_SDBLKCOUNT 0x0a
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#define REG_SDFIFO 0x30
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*int sdmmc_sdcard_init();
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void sdmmc_sdcard_readsector(uint32_t sector_no, void *out);
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void sdmmc_sdcard_readsectors(uint32_t sector_no, uint32_t numsectors, void *out);
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void sdmmc_sdcard_writesector(uint32_t sector_no, void *in);
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void sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, void *in);
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void sdmmc_blktransferinit();*/
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void sdmmc_sdcard_init();
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int sdmmc_sdcard_readsector(uint32_t sector_no, uint8_t *out);
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int sdmmc_sdcard_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out);
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int sdmmc_sdcard_writesector(uint32_t sector_no, uint8_t *in);
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int sdmmc_sdcard_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in);
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int sdmmc_nand_readsectors(uint32_t sector_no, uint32_t numsectors, uint8_t *out);
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int sdmmc_nand_writesectors(uint32_t sector_no, uint32_t numsectors, uint8_t *in);
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void InitSD();
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int Nand_Init();
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int SD_Init();
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#ifdef __cplusplus
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};
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#endif
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//---------------------------------------------------------------------------------
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static inline uint16_t sdmmc_read16(uint16_t reg) {
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//---------------------------------------------------------------------------------
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return *(volatile uint16_t*)(SDMMC_BASE + reg);
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}
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//---------------------------------------------------------------------------------
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static inline void sdmmc_write16(uint16_t reg, uint16_t val) {
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//---------------------------------------------------------------------------------
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*(volatile uint16_t*)(SDMMC_BASE + reg) = val;
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}
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//---------------------------------------------------------------------------------
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static inline void sdmmc_mask16(uint16_t reg, uint16_t clear, uint16_t set) {
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//---------------------------------------------------------------------------------
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uint16_t val = sdmmc_read16(reg);
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val &= ~clear;
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val |= set;
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sdmmc_write16(reg, val);
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}
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static inline void setckl(uint32_t data)
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{
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sdmmc_mask16(REG_SDCLKCTL,0x100,0);
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sdmmc_mask16(REG_SDCLKCTL,0x2FF,data&0x2FF);
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sdmmc_mask16(REG_SDCLKCTL,0x0,0x100);
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}
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#endif
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