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Code Issues Releases Activity

bdk: sdmmc: expose csd/scr functions

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CTCaer 2022-06-25 05:48:54 +03:00
parent 16af97c79a
commit 489e222aac
2 changed files with 16 additions and 15 deletions
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28
bdk/storage/sdmmc.c
View file

@ -510,7 +510,7 @@ static void _mmc_storage_parse_ext_csd(sdmmc_storage_t *storage, u8 *buf)
storage->sec_cnt = *(u32 *)&buf[EXT_CSD_SEC_CNT]; storage->sec_cnt = *(u32 *)&buf[EXT_CSD_SEC_CNT];
} }
static int _mmc_storage_get_ext_csd(sdmmc_storage_t *storage, void *buf) int mmc_storage_get_ext_csd(sdmmc_storage_t *storage, void *buf)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
sdmmc_init_cmd(&cmdbuf, MMC_SEND_EXT_CSD, 0, SDMMC_RSP_TYPE_1, 0); sdmmc_init_cmd(&cmdbuf, MMC_SEND_EXT_CSD, 0, SDMMC_RSP_TYPE_1, 0);
@ -715,12 +715,11 @@ DPRINTF("[MMC] set blocklen to 512\n");
return 0; return 0;
DPRINTF("[MMC] switched buswidth\n"); DPRINTF("[MMC] switched buswidth\n");
if (!_mmc_storage_get_ext_csd(storage, (u8 *)SDMMC_UPPER_BUFFER)) if (!mmc_storage_get_ext_csd(storage, (u8 *)SDMMC_UPPER_BUFFER))
return 0; return 0;
DPRINTF("[MMC] got ext_csd\n"); DPRINTF("[MMC] got ext_csd\n");
_mmc_storage_parse_cid(storage); // This needs to be after csd and ext_csd. _mmc_storage_parse_cid(storage); // This needs to be after csd and ext_csd.
//gfx_hexdump(0, ext_csd, 512);
/* /*
if (storage->ext_csd.bkops & 0x1 && !(storage->ext_csd.bkops_en & EXT_CSD_AUTO_BKOPS_MASK)) if (storage->ext_csd.bkops & 0x1 && !(storage->ext_csd.bkops_en & EXT_CSD_AUTO_BKOPS_MASK))
@ -911,7 +910,7 @@ static void _sd_storage_parse_scr(sdmmc_storage_t *storage)
storage->scr.cmds = unstuff_bits(resp, 32, 2); storage->scr.cmds = unstuff_bits(resp, 32, 2);
} }
int _sd_storage_get_scr(sdmmc_storage_t *storage, u8 *buf) int sd_storage_get_scr(sdmmc_storage_t *storage, u8 *buf)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
sdmmc_init_cmd(&cmdbuf, SD_APP_SEND_SCR, 0, SDMMC_RSP_TYPE_1, 0); sdmmc_init_cmd(&cmdbuf, SD_APP_SEND_SCR, 0, SDMMC_RSP_TYPE_1, 0);
@ -938,12 +937,11 @@ int _sd_storage_get_scr(sdmmc_storage_t *storage, u8 *buf)
storage->raw_scr[i] = buf[i + 3]; storage->raw_scr[i] = buf[i + 3];
} }
_sd_storage_parse_scr(storage); _sd_storage_parse_scr(storage);
//gfx_hexdump(0, storage->raw_scr, 8);
return _sdmmc_storage_check_card_status(tmp); return _sdmmc_storage_check_card_status(tmp);
} }
int _sd_storage_switch_get(sdmmc_storage_t *storage, void *buf) static int _sd_storage_switch_get(sdmmc_storage_t *storage, void *buf)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
sdmmc_init_cmd(&cmdbuf, SD_SWITCH, 0xFFFFFF, SDMMC_RSP_TYPE_1, 0); sdmmc_init_cmd(&cmdbuf, SD_SWITCH, 0xFFFFFF, SDMMC_RSP_TYPE_1, 0);
@ -959,12 +957,14 @@ int _sd_storage_switch_get(sdmmc_storage_t *storage, void *buf)
if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, &reqbuf, NULL)) if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, &reqbuf, NULL))
return 0; return 0;
//gfx_hexdump(0, (u8 *)buf, 64);
u32 tmp = 0; u32 tmp = 0;
sdmmc_get_rsp(storage->sdmmc, &tmp, 4, SDMMC_RSP_TYPE_1); sdmmc_get_rsp(storage->sdmmc, &tmp, 4, SDMMC_RSP_TYPE_1);
return _sdmmc_storage_check_card_status(tmp); return _sdmmc_storage_check_card_status(tmp);
} }
int _sd_storage_switch(sdmmc_storage_t *storage, void *buf, int mode, int group, u32 arg) static int _sd_storage_switch(sdmmc_storage_t *storage, void *buf, int mode, int group, u32 arg)
{ {
sdmmc_cmd_t cmdbuf; sdmmc_cmd_t cmdbuf;
u32 switchcmd = mode << 31 | 0x00FFFFFF; u32 switchcmd = mode << 31 | 0x00FFFFFF;
@ -1025,7 +1025,7 @@ DPRINTF("[SD] power limit defaulted to 200mA\n");
} }
} }
int _sd_storage_enable_highspeed(sdmmc_storage_t *storage, u32 hs_type, u8 *buf) static int _sd_storage_enable_highspeed(sdmmc_storage_t *storage, u32 hs_type, u8 *buf)
{ {
if (!_sd_storage_switch(storage, buf, SD_SWITCH_CHECK, 0, hs_type)) if (!_sd_storage_switch(storage, buf, SD_SWITCH_CHECK, 0, hs_type))
return 0; return 0;
@ -1054,7 +1054,7 @@ DPRINTF("[SD] card max current over limit\n");
return 0; return 0;
} }
int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf) static int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
{ {
if (sdmmc_get_bus_width(storage->sdmmc) != SDMMC_BUS_WIDTH_4) if (sdmmc_get_bus_width(storage->sdmmc) != SDMMC_BUS_WIDTH_4)
return 0; return 0;
@ -1135,11 +1135,10 @@ DPRINTF("[SD] after tuning\n");
return _sdmmc_storage_check_status(storage); return _sdmmc_storage_check_status(storage);
} }
int _sd_storage_enable_hs_high_volt(sdmmc_storage_t *storage, u8 *buf) static int _sd_storage_enable_hs_high_volt(sdmmc_storage_t *storage, u8 *buf)
{ {
if (!_sd_storage_switch_get(storage, buf)) if (!_sd_storage_switch_get(storage, buf))
return 0; return 0;
//gfx_hexdump(0, (u8 *)buf, 64);
u8 access_mode = buf[13]; u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8; u16 current_limit = buf[7] | buf[6] << 8;
@ -1200,8 +1199,8 @@ u32 sd_storage_get_ssr_au(sdmmc_storage_t *storage)
static void _sd_storage_parse_ssr(sdmmc_storage_t *storage) static void _sd_storage_parse_ssr(sdmmc_storage_t *storage)
{ {
// unstuff_bits supports only 4 u32 so break into 2 x u32x4 groups. // unstuff_bits supports only 4 u32 so break into 2 x u32x4 groups.
u32 raw_ssr1[4]; u32 raw_ssr1[4]; // 511:384.
u32 raw_ssr2[4]; u32 raw_ssr2[4]; // 383:256.
memcpy(raw_ssr1, &storage->raw_ssr[0], 16); memcpy(raw_ssr1, &storage->raw_ssr[0], 16);
memcpy(raw_ssr2, &storage->raw_ssr[16], 16); memcpy(raw_ssr2, &storage->raw_ssr[16], 16);
@ -1270,7 +1269,6 @@ DPRINTF("[SD] ssr: Not supported\n");
} }
_sd_storage_parse_ssr(storage); _sd_storage_parse_ssr(storage);
//gfx_hexdump(0, storage->raw_ssr, 64);
return _sdmmc_storage_check_card_status(tmp); return _sdmmc_storage_check_card_status(tmp);
} }
@ -1414,7 +1412,7 @@ DPRINTF("[SD] set blocklen to 512\n");
return 0; return 0;
DPRINTF("[SD] cleared card detect\n"); DPRINTF("[SD] cleared card detect\n");
if (!_sd_storage_get_scr(storage, buf)) if (!sd_storage_get_scr(storage, buf))
return 0; return 0;
DPRINTF("[SD] got scr\n"); DPRINTF("[SD] got scr\n");

3
bdk/storage/sdmmc.h
View file

@ -209,6 +209,9 @@ int sdmmc_storage_init_gc(sdmmc_storage_t *storage, sdmmc_t *sdmmc);
int sdmmc_storage_execute_vendor_cmd(sdmmc_storage_t *storage, u32 arg); int sdmmc_storage_execute_vendor_cmd(sdmmc_storage_t *storage, u32 arg);
int sdmmc_storage_vendor_sandisk_report(sdmmc_storage_t *storage, void *buf); int sdmmc_storage_vendor_sandisk_report(sdmmc_storage_t *storage, void *buf);
int mmc_storage_get_ext_csd(sdmmc_storage_t *storage, void *buf);
int sd_storage_get_scr(sdmmc_storage_t *storage, u8 *buf);
int sd_storage_get_ssr(sdmmc_storage_t *storage, u8 *buf); int sd_storage_get_ssr(sdmmc_storage_t *storage, u8 *buf);
u32 sd_storage_get_ssr_au(sdmmc_storage_t *storage); u32 sd_storage_get_ssr_au(sdmmc_storage_t *storage);