| /****************************************************************************** | |
| * | |
| * mmc_decode_cid() and sd_decode_csd() | |
| * | |
| * analyse the meta data of an SD-card to read its capacity and some other properties. | |
| * | |
| * CID and CSD Analysis borrowed from the Linux kernel. | |
| * | |
| ******************************************************************************/ | |
| #ifndef SDPS_INFO_H_ | |
| #define SDPS_INFO_H_ 1 | |
| #include <stdint.h> | |
| struct mmc_cid { | |
| uint32_t manfid; | |
| char prod_name[8]; | |
| uint32_t serial; | |
| uint16_t oemid; | |
| uint16_t year; | |
| uint8_t hwrev; | |
| uint8_t fwrev; | |
| uint8_t month; | |
| }; | |
| struct mmc_csd { | |
| volatile uint64_t capacity_bytes; | |
| uint32_t sd_last_block_address; | |
| uint8_t mmca_vsn; | |
| uint16_t erase_size; | |
| uint8_t spare; | |
| uint16_t cmdclass; | |
| uint16_t tacc_clks; | |
| int32_t erase_shift; | |
| uint32_t tacc_ns; | |
| uint32_t r2w_factor; | |
| uint32_t max_dtr; | |
| uint32_t read_blkbits; | |
| uint32_t write_blkbits; | |
| uint32_t capacity; | |
| uint32_t pref_erase; | |
| uint32_t read_partial : 1, | |
| read_misalign : 1, | |
| write_partial : 1, | |
| write_misalign : 1; | |
| }; | |
| extern struct mmc_cid myCID; | |
| extern struct mmc_csd myCSD; | |
| int mmc_decode_cid( const struct mmc_csd *pxCSD, struct mmc_cid *pxCID, uint32_t *raw_data ); | |
| int sd_decode_csd( struct mmc_csd *pxCSD, uint32_t *ulResponse ); | |
| #endif /* SDPS_INFO_H_ */ |