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