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sdmmc: Streamline power cycle wait for Sandisks U1

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CTCaer
2019-08-28 02:39:43 +03:00
parent c50e61f961
commit 02826dd9a6
8 changed files with 34 additions and 14 deletions
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17
bootloader/storage/sdmmc.c
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@@ -835,7 +835,7 @@ int _sd_storage_enable_highspeed_low_volt(sdmmc_storage_t *storage, u32 type, u8
u32 hs_type = 0;
switch (type)
{
case 11:
case 11: // SDR104.
// Fall through if not supported.
if (buf[13] & SD_MODE_UHS_SDR104)
{
@@ -845,7 +845,7 @@ int _sd_storage_enable_highspeed_low_volt(sdmmc_storage_t *storage, u32 type, u8
storage->csd.busspeed = 104;
break;
}
case 10:
case 10: // SDR50.
if (buf[13] & SD_MODE_UHS_SDR50)
{
type = 10;
@@ -854,7 +854,7 @@ int _sd_storage_enable_highspeed_low_volt(sdmmc_storage_t *storage, u32 type, u8
storage->csd.busspeed = 50;
break;
}
case 8:
case 8: // SDR12.
if (!(buf[13] & SD_MODE_UHS_SDR12))
return 0;
type = 8;
@@ -1012,14 +1012,19 @@ static void _sd_storage_parse_csd(sdmmc_storage_t *storage)
}
}
void sdmmc_storage_init_wait_sd()
{
u32 sd_poweroff_time = (u32)get_tmr_ms() - h_cfg.sd_timeoff;
if (sd_poweroff_time < 100)
msleep(100 - sd_poweroff_time);
}
int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type)
{
int is_version_1 = 0;
// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
u32 sd_poweroff_time = (u32)get_tmr_ms() - h_cfg.sd_timeoff;
if (id == SDMMC_1 && (sd_poweroff_time < 100))
msleep(100 - sd_poweroff_time);
sdmmc_storage_init_wait_sd();
memset(storage, 0, sizeof(sdmmc_storage_t));
storage->sdmmc = sdmmc;

1
bootloader/storage/sdmmc.h
View File

@@ -107,6 +107,7 @@ int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, vo
int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf);
int sdmmc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type);
int sdmmc_storage_set_mmc_partition(sdmmc_storage_t *storage, u32 partition);
void sdmmc_storage_init_wait_sd();
int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type);
int sdmmc_storage_init_gc(sdmmc_storage_t *storage, sdmmc_t *sdmmc);