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Code Issues Releases Activity

sdmmc: Add more debugging

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This commit is contained in:
CTCaer 2020-11-15 15:08:53 +02:00
parent cabb8cd33a
commit 4166a3c128
1 changed files with 24 additions and 13 deletions
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35
bdk/storage/sdmmc.c
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@ -48,15 +48,18 @@ static inline u32 unstuff_bits(u32 *resp, u32 start, u32 size)
static int _sdmmc_storage_check_result(u32 res)
{
//Error mask:
//R1_OUT_OF_RANGE, R1_ADDRESS_ERROR, R1_BLOCK_LEN_ERROR,
//R1_ERASE_SEQ_ERROR, R1_ERASE_PARAM, R1_WP_VIOLATION,
//R1_LOCK_UNLOCK_FAILED, R1_COM_CRC_ERROR, R1_ILLEGAL_COMMAND,
//R1_CARD_ECC_FAILED, R1_CC_ERROR, R1_ERROR, R1_CID_CSD_OVERWRITE,
//R1_WP_ERASE_SKIP, R1_ERASE_RESET, R1_SWITCH_ERROR
if (!(res & 0xFDF9A080))
return 1;
//TODO: R1_SWITCH_ERROR we can skip for certain card types.
//TODO: R1_SWITCH_ERROR can be skipped for certain card types.
if (res &
(R1_OUT_OF_RANGE | R1_ADDRESS_ERROR | R1_BLOCK_LEN_ERROR |
R1_ERASE_SEQ_ERROR | R1_ERASE_PARAM | R1_WP_VIOLATION |
R1_LOCK_UNLOCK_FAILED | R1_COM_CRC_ERROR | R1_ILLEGAL_COMMAND |
R1_CARD_ECC_FAILED | R1_CC_ERROR | R1_ERROR |
R1_CID_CSD_OVERWRITE | R1_WP_ERASE_SKIP | R1_ERASE_RESET |
R1_SWITCH_ERROR))
return 0;
// No errors.
return 1;
}
static int _sdmmc_storage_execute_cmd_type1_ex(sdmmc_storage_t *storage, u32 *resp, u32 cmd, u32 arg, u32 check_busy, u32 expected_state, u32 mask)
@ -239,7 +242,6 @@ reinit_try:
return 0;
out:
DPRINTF("readwrite: %08X\n", blkcnt);
sct_off += blkcnt;
sct_total -= blkcnt;
bbuf += 512 * blkcnt;
@ -721,6 +723,8 @@ static int _sd_storage_get_op_cond(sdmmc_storage_t *storage, int is_version_1, i
break;
if (cond & MMC_CARD_BUSY)
{
DPRINTF("[SD] cond: %08X, lv: %d\n", cond, supports_low_voltage);
if (cond & SD_OCR_CCS)
storage->has_sector_access = 1;
@ -738,6 +742,10 @@ static int _sd_storage_get_op_cond(sdmmc_storage_t *storage, int is_version_1, i
DPRINTF("-> switched to low voltage\n");
}
}
else
{
DPRINTF("[SD] no low voltage support\n");
}
return 1;
}
@ -911,7 +919,7 @@ 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))
return 0;
DPRINTF("[SD] supports switch to (U)HS mode\n");
DPRINTF("[SD] supports (U)HS mode: %d\n", buf[16] & 0xF);
u32 type_out = buf[16] & 0xF;
if (type_out != hs_type)
@ -947,6 +955,7 @@ int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8;
DPRINTF("[SD] access: %02X, current: %02X\n", access_mode, current_limit);
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, current_limit, buf);
@ -1008,10 +1017,10 @@ DPRINTF("[SD] bus speed set to SDR12\n");
DPRINTF("[SD] card accepted UHS\n");
if (!sdmmc_setup_clock(storage->sdmmc, type))
return 0;
DPRINTF("[SD] setup clock\n");
DPRINTF("[SD] after setup clock\n");
if (!sdmmc_tuning_execute(storage->sdmmc, type, MMC_SEND_TUNING_BLOCK))
return 0;
DPRINTF("[SD] config tuning\n");
DPRINTF("[SD] after tuning\n");
return _sdmmc_storage_check_status(storage);
}
@ -1191,6 +1200,8 @@ int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 bus_widt
int is_version_1 = 0;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
DPRINTF("[SD] init: bus: %d, type: %d\n", bus_width, type);
// Some cards (SanDisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();