sdmmc v2: Driver fixes

This commit is contained in:
CTCaer 2020-04-29 21:43:07 +03:00
parent 88b01994bd
commit eac6426125
4 changed files with 172 additions and 84 deletions

View file

@ -135,10 +135,12 @@ static int _sdmmc_storage_check_status(sdmmc_storage_t *storage)
static int _sdmmc_storage_readwrite_ex(sdmmc_storage_t *storage, u32 *blkcnt_out, u32 sector, u32 num_sectors, void *buf, u32 is_write)
{
u32 tmp = 0;
sdmmc_cmd_t cmdbuf;
sdmmc_req_t reqbuf;
sdmmc_init_cmd(&cmdbuf, is_write ? MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK, sector, SDMMC_RSP_TYPE_1, 0);
sdmmc_req_t reqbuf;
reqbuf.buf = buf;
reqbuf.num_sectors = num_sectors;
reqbuf.blksize = 512;
@ -148,7 +150,6 @@ static int _sdmmc_storage_readwrite_ex(sdmmc_storage_t *storage, u32 *blkcnt_out
if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, &reqbuf, blkcnt_out))
{
u32 tmp = 0;
sdmmc_stop_transmission(storage->sdmmc, &tmp);
_sdmmc_storage_get_status(storage, &tmp, 0);
@ -542,14 +543,10 @@ DPRINTF("[MMC] set blocklen to 512\n");
return 0;
DPRINTF("[MMC] switched buswidth\n");
u8 *ext_csd = (u8 *)malloc(512);
if (!_mmc_storage_get_ext_csd(storage, ext_csd))
{
free(ext_csd);
if (!_mmc_storage_get_ext_csd(storage, (u8 *)SDMMC_UPPER_BUFFER))
return 0;
}
free(ext_csd);
DPRINTF("[MMC] got ext_csd\n");
_mmc_storage_parse_cid(storage); //This needs to be after csd and ext_csd
//gfx_hexdump(0, ext_csd, 512);
@ -561,10 +558,6 @@ DPRINTF("[MMC] got ext_csd\n");
_mmc_storage_enable_bkops(storage);
DPRINTF("[MMC] BKOPS enabled\n");
}
else
{
DPRINTF("[MMC] BKOPS disabled\n");
}
if (!_mmc_storage_enable_highspeed(storage, storage->ext_csd.card_type, type))
return 0;
@ -803,19 +796,21 @@ int _sd_storage_switch(sdmmc_storage_t *storage, void *buf, int mode, int group,
return _sdmmc_storage_check_result(tmp);
}
void _sd_storage_set_current_limit(sdmmc_storage_t *storage, u8 *buf)
void _sd_storage_set_current_limit(sdmmc_storage_t *storage, u16 current_limit, u8 *buf)
{
u32 pwr = SD_SET_CURRENT_LIMIT_800;
u32 pwr = SD_SET_CURRENT_LIMIT_200;
if (current_limit & SD_MAX_CURRENT_800)
pwr = SD_SET_CURRENT_LIMIT_800;
else if (current_limit & SD_MAX_CURRENT_600)
pwr = SD_SET_CURRENT_LIMIT_600;
else if (current_limit & SD_MAX_CURRENT_400)
pwr = SD_SET_CURRENT_LIMIT_400;
_sd_storage_switch(storage, buf, SD_SWITCH_SET, 3, pwr);
while (pwr > 0)
{
pwr--;
_sd_storage_switch(storage, buf, SD_SWITCH_SET, 3, pwr);
if (((buf[15] >> 4) & 0x0F) == pwr)
break;
}
{
switch (pwr)
{
case SD_SET_CURRENT_LIMIT_800:
@ -833,6 +828,7 @@ DPRINTF("[SD] power limit defaulted to 200mA\n");
break;
}
}
}
int _sd_storage_enable_highspeed(sdmmc_storage_t *storage, u32 hs_type, u8 *buf)
{
@ -845,23 +841,26 @@ DPRINTF("[SD] supports switch to (U)HS mode\n");
return 0;
DPRINTF("[SD] supports selected (U)HS mode\n");
if ((((u16)buf[0] << 8) | buf[1]) < 0x320)
u16 total_pwr_consumption = ((u16)buf[0] << 8) | buf[1];
DPRINTF("[SD] total max current: %d\n", total_pwr_consumption);
if (total_pwr_consumption <= 800)
{
if (!_sd_storage_switch(storage, buf, SD_SWITCH_SET, 0, hs_type))
return 0;
if (type_out != (buf[16] & 0xF))
return 0;
}
return 1;
}
DPRINTF("[SD] card max current over limit\n");
return 0;
}
int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
{
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, buf);
if (sdmmc_get_bus_width(storage->sdmmc) != SDMMC_BUS_WIDTH_4)
return 0;
@ -870,6 +869,10 @@ int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
//gfx_hexdump(0, (u8 *)buf, 64);
u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8;
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, current_limit, buf);
u32 hs_type = 0;
switch (type)
@ -942,6 +945,10 @@ int _sd_storage_enable_hs_high_volt(sdmmc_storage_t *storage, u8 *buf)
//gfx_hexdump(0, (u8 *)buf, 64);
u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8;
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, current_limit, buf);
if (!(access_mode & SD_MODE_HIGH_SPEED))
return 1;
@ -1076,6 +1083,23 @@ static void _sd_storage_parse_csd(sdmmc_storage_t *storage)
}
}
static bool _sdmmc_storage_supports_low_voltage(u32 bus_width, u32 type)
{
switch (type)
{
case SDHCI_TIMING_UHS_SDR12:
case SDHCI_TIMING_UHS_SDR25:
case SDHCI_TIMING_UHS_SDR50:
case SDHCI_TIMING_UHS_SDR104:
case SDHCI_TIMING_UHS_SDR82:
case SDHCI_TIMING_UHS_DDR50:
if (bus_width == SDMMC_BUS_WIDTH_4)
return true;
default:
return false;
}
}
void sdmmc_storage_init_wait_sd()
{
u32 sd_poweroff_time = (u32)get_tmr_ms() - sd_power_cycle_time_start;
@ -1109,7 +1133,9 @@ DPRINTF("[SD] went to idle state\n");
return 0;
DPRINTF("[SD] after send if cond\n");
if (!_sd_storage_get_op_cond(storage, is_version_1, bus_width == SDMMC_BUS_WIDTH_4 && type == 11))
bool supports_low_voltage = _sdmmc_storage_supports_low_voltage(bus_width, type);
if (!_sd_storage_get_op_cond(storage, is_version_1, supports_low_voltage))
return 0;
DPRINTF("[SD] got op cond\n");
@ -1186,6 +1212,8 @@ DPRINTF("[SD] SD does not support wide bus width\n");
if (!_sd_storage_enable_uhs_low_volt(storage, type, buf))
return 0;
DPRINTF("[SD] enabled UHS\n");
sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
}
else if (type != SDHCI_TIMING_SD_DS12 && (storage->scr.sda_vsn & 0xF) != 0)
{
@ -1193,10 +1221,16 @@ DPRINTF("[SD] enabled UHS\n");
return 0;
DPRINTF("[SD] enabled HS\n");
switch (bus_width)
{
case SDMMC_BUS_WIDTH_4:
storage->csd.busspeed = 25;
break;
case SDMMC_BUS_WIDTH_1:
storage->csd.busspeed = 6;
break;
}
}
sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
// Parse additional card info from sd status.
if (_sd_storage_get_ssr(storage, buf))

View file

@ -23,6 +23,16 @@
u32 sd_power_cycle_time_start;
typedef enum _sdmmc_type
{
MMC_SD = 0,
MMC_EMMC = 1,
EMMC_GPP = 0,
EMMC_BOOT0 = 1,
EMMC_BOOT1 = 2
} sdmmc_type;
typedef struct _mmc_cid
{
u32 manfid;

View file

@ -135,10 +135,12 @@ static int _sdmmc_storage_check_status(sdmmc_storage_t *storage)
static int _sdmmc_storage_readwrite_ex(sdmmc_storage_t *storage, u32 *blkcnt_out, u32 sector, u32 num_sectors, void *buf, u32 is_write)
{
u32 tmp = 0;
sdmmc_cmd_t cmdbuf;
sdmmc_req_t reqbuf;
sdmmc_init_cmd(&cmdbuf, is_write ? MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK, sector, SDMMC_RSP_TYPE_1, 0);
sdmmc_req_t reqbuf;
reqbuf.buf = buf;
reqbuf.num_sectors = num_sectors;
reqbuf.blksize = 512;
@ -148,7 +150,6 @@ static int _sdmmc_storage_readwrite_ex(sdmmc_storage_t *storage, u32 *blkcnt_out
if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, &reqbuf, blkcnt_out))
{
u32 tmp = 0;
sdmmc_stop_transmission(storage->sdmmc, &tmp);
_sdmmc_storage_get_status(storage, &tmp, 0);
@ -542,14 +543,10 @@ DPRINTF("[MMC] set blocklen to 512\n");
return 0;
DPRINTF("[MMC] switched buswidth\n");
u8 *ext_csd = (u8 *)malloc(512);
if (!_mmc_storage_get_ext_csd(storage, ext_csd))
{
free(ext_csd);
if (!_mmc_storage_get_ext_csd(storage, (u8 *)SDMMC_UPPER_BUFFER))
return 0;
}
free(ext_csd);
DPRINTF("[MMC] got ext_csd\n");
_mmc_storage_parse_cid(storage); //This needs to be after csd and ext_csd
//gfx_hexdump(0, ext_csd, 512);
@ -561,10 +558,6 @@ DPRINTF("[MMC] got ext_csd\n");
_mmc_storage_enable_bkops(storage);
DPRINTF("[MMC] BKOPS enabled\n");
}
else
{
DPRINTF("[MMC] BKOPS disabled\n");
}
if (!_mmc_storage_enable_highspeed(storage, storage->ext_csd.card_type, type))
return 0;
@ -803,19 +796,21 @@ int _sd_storage_switch(sdmmc_storage_t *storage, void *buf, int mode, int group,
return _sdmmc_storage_check_result(tmp);
}
void _sd_storage_set_current_limit(sdmmc_storage_t *storage, u8 *buf)
void _sd_storage_set_current_limit(sdmmc_storage_t *storage, u16 current_limit, u8 *buf)
{
u32 pwr = SD_SET_CURRENT_LIMIT_800;
u32 pwr = SD_SET_CURRENT_LIMIT_200;
if (current_limit & SD_MAX_CURRENT_800)
pwr = SD_SET_CURRENT_LIMIT_800;
else if (current_limit & SD_MAX_CURRENT_600)
pwr = SD_SET_CURRENT_LIMIT_600;
else if (current_limit & SD_MAX_CURRENT_400)
pwr = SD_SET_CURRENT_LIMIT_400;
_sd_storage_switch(storage, buf, SD_SWITCH_SET, 3, pwr);
while (pwr > 0)
{
pwr--;
_sd_storage_switch(storage, buf, SD_SWITCH_SET, 3, pwr);
if (((buf[15] >> 4) & 0x0F) == pwr)
break;
}
{
switch (pwr)
{
case SD_SET_CURRENT_LIMIT_800:
@ -833,6 +828,7 @@ DPRINTF("[SD] power limit defaulted to 200mA\n");
break;
}
}
}
int _sd_storage_enable_highspeed(sdmmc_storage_t *storage, u32 hs_type, u8 *buf)
{
@ -845,23 +841,26 @@ DPRINTF("[SD] supports switch to (U)HS mode\n");
return 0;
DPRINTF("[SD] supports selected (U)HS mode\n");
if ((((u16)buf[0] << 8) | buf[1]) < 0x320)
u16 total_pwr_consumption = ((u16)buf[0] << 8) | buf[1];
DPRINTF("[SD] total max current: %d\n", total_pwr_consumption);
if (total_pwr_consumption <= 800)
{
if (!_sd_storage_switch(storage, buf, SD_SWITCH_SET, 0, hs_type))
return 0;
if (type_out != (buf[16] & 0xF))
return 0;
}
return 1;
}
DPRINTF("[SD] card max current over limit\n");
return 0;
}
int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
{
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, buf);
if (sdmmc_get_bus_width(storage->sdmmc) != SDMMC_BUS_WIDTH_4)
return 0;
@ -870,6 +869,10 @@ int _sd_storage_enable_uhs_low_volt(sdmmc_storage_t *storage, u32 type, u8 *buf)
//gfx_hexdump(0, (u8 *)buf, 64);
u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8;
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, current_limit, buf);
u32 hs_type = 0;
switch (type)
@ -942,6 +945,10 @@ int _sd_storage_enable_hs_high_volt(sdmmc_storage_t *storage, u8 *buf)
//gfx_hexdump(0, (u8 *)buf, 64);
u8 access_mode = buf[13];
u16 current_limit = buf[7] | buf[6] << 8;
// Try to raise the current limit to let the card perform better.
_sd_storage_set_current_limit(storage, current_limit, buf);
if (!(access_mode & SD_MODE_HIGH_SPEED))
return 1;
@ -1076,6 +1083,23 @@ static void _sd_storage_parse_csd(sdmmc_storage_t *storage)
}
}
static bool _sdmmc_storage_supports_low_voltage(u32 bus_width, u32 type)
{
switch (type)
{
case SDHCI_TIMING_UHS_SDR12:
case SDHCI_TIMING_UHS_SDR25:
case SDHCI_TIMING_UHS_SDR50:
case SDHCI_TIMING_UHS_SDR104:
case SDHCI_TIMING_UHS_SDR82:
case SDHCI_TIMING_UHS_DDR50:
if (bus_width == SDMMC_BUS_WIDTH_4)
return true;
default:
return false;
}
}
void sdmmc_storage_init_wait_sd()
{
u32 sd_poweroff_time = (u32)get_tmr_ms() - sd_power_cycle_time_start;
@ -1109,7 +1133,9 @@ DPRINTF("[SD] went to idle state\n");
return 0;
DPRINTF("[SD] after send if cond\n");
if (!_sd_storage_get_op_cond(storage, is_version_1, bus_width == SDMMC_BUS_WIDTH_4 && type == 11))
bool supports_low_voltage = _sdmmc_storage_supports_low_voltage(bus_width, type);
if (!_sd_storage_get_op_cond(storage, is_version_1, supports_low_voltage))
return 0;
DPRINTF("[SD] got op cond\n");
@ -1186,6 +1212,8 @@ DPRINTF("[SD] SD does not support wide bus width\n");
if (!_sd_storage_enable_uhs_low_volt(storage, type, buf))
return 0;
DPRINTF("[SD] enabled UHS\n");
sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
}
else if (type != SDHCI_TIMING_SD_DS12 && (storage->scr.sda_vsn & 0xF) != 0)
{
@ -1193,10 +1221,16 @@ DPRINTF("[SD] enabled UHS\n");
return 0;
DPRINTF("[SD] enabled HS\n");
switch (bus_width)
{
case SDMMC_BUS_WIDTH_4:
storage->csd.busspeed = 25;
break;
case SDMMC_BUS_WIDTH_1:
storage->csd.busspeed = 6;
break;
}
}
sdmmc_card_clock_ctrl(sdmmc, SDMMC_AUTO_CAL_ENABLE);
// Parse additional card info from sd status.
if (_sd_storage_get_ssr(storage, buf))

View file

@ -23,6 +23,16 @@
u32 sd_power_cycle_time_start;
typedef enum _sdmmc_type
{
MMC_SD = 0,
MMC_EMMC = 1,
EMMC_GPP = 0,
EMMC_BOOT0 = 1,
EMMC_BOOT1 = 2
} sdmmc_type;
typedef struct _mmc_cid
{
u32 manfid;