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[sdmmc] Fixes Part 1

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* MMC/SD: Change many hardcoded values to named ones
* MMC/SD: Fix scr and csd byte/bitfield ordering
* MMC: Add ext csd parsing and using these variables isntead of arrays
* MMC: Fix BKOPS support but disabled
* SD: Add partial sd v1 support
* SD: Fix we support low voltage OCR bit
* SD: Add scr parsing and using these variables instead of hardcoded ones
This commit is contained in:
Kostas Missos
2018-05-14 01:28:27 +03:00
committed by nwert
parent 4d7f016e3a
commit acdc8b580c
5 changed files with 203 additions and 50 deletions
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70
ipl/sdmmc.h
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@@ -20,6 +20,64 @@
#include "types.h"
#include "sdmmc_driver.h"
typedef struct _mmc_cid
{
u32 manfid;
u8 prod_name[8];
u8 card_bga;
u8 prv;
u32 serial;
u16 oemid;
u16 year;
u8 hwrev;
u8 fwrev;
u8 month;
} mmc_cid_t;
typedef struct _mmc_csd
{
u8 structure;
u8 mmca_vsn;
u16 cmdclass;
u32 c_size;
u32 r2w_factor;
u32 max_dtr;
u32 erase_size; /* In sectors */
u32 read_blkbits;
u32 write_blkbits;
u32 capacity;
} mmc_csd_t;
typedef struct _mmc_ext_csd
{
u8 rev;
u32 sectors;
int bkops; /* background support bit */
int bkops_en; /* manual bkops enable bit */
u8 ext_struct; /* 194 */
u8 card_type; /* 196 */
u8 bkops_status; /* 246 */
u16 dev_version;
u8 boot_mult;
u8 rpmb_mult;
} mmc_ext_csd_t;
typedef struct _sd_scr
{
u8 sda_vsn;
u8 sda_spec3;
u8 bus_widths;
u8 cmds;
} sd_scr_t;
typedef struct _sd_ssr {
u8 bus_width;
u8 speed_class;
u8 uhs_grade;
u8 video_class;
u8 app_class;
} sd_ssr_t;
/*! SDMMC storage context. */
typedef struct _sdmmc_storage_t
{
@@ -29,9 +87,15 @@ typedef struct _sdmmc_storage_t
u32 sec_cnt;
int is_low_voltage;
u32 partition;
u8 cid[0x10];
u8 csd[0x10];
u8 scr[8];
u8 raw_cid[0x10];
u8 raw_csd[0x10];
u8 raw_scr[8];
u8 raw_ssr[0x40];
mmc_cid_t cid;
mmc_csd_t csd;
mmc_ext_csd_t ext_csd;
sd_scr_t scr;
sd_ssr_t ssr;
} sdmmc_storage_t;
int sdmmc_storage_end(sdmmc_storage_t *storage);