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bdk: sdmmc: allow max power limit to be set

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Even if it defaults to 1.44W.
Some cards' firmware maybe be bugged.

The 3.3V regulator on all SKUs allow more than 800mA current anyway.
This commit is contained in:
CTCaer 2023-03-31 08:24:52 +03:00
parent 25be98b7e3
commit b7164a629f
1 changed files with 16 additions and 25 deletions
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41
bdk/storage/sdmmc.c
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@ -998,43 +998,34 @@ static void _sd_storage_set_power_limit(sdmmc_storage_t *storage, u16 power_limi
{ {
u32 pwr = SD_SET_POWER_LIMIT_0_72; u32 pwr = SD_SET_POWER_LIMIT_0_72;
// If UHS-I only, anything above 1.44W defaults to 1.44W. // If UHS-I only, anything above 1.44W defaults to 1.44W.
#if SDMMC_UHS2_SUPPORT
if (power_limit & SD_MAX_POWER_2_88) if (power_limit & SD_MAX_POWER_2_88)
pwr = SD_SET_POWER_LIMIT_2_88; pwr = SD_SET_POWER_LIMIT_2_88;
else if (power_limit & SD_MAX_POWER_2_16) else if (power_limit & SD_MAX_POWER_2_16)
pwr = SD_SET_POWER_LIMIT_2_16; pwr = SD_SET_POWER_LIMIT_2_16;
else if (power_limit & SD_MAX_POWER_1_44) else if (power_limit & SD_MAX_POWER_1_44)
pwr = SD_SET_POWER_LIMIT_1_44; pwr = SD_SET_POWER_LIMIT_1_44;
#else
if (power_limit & SD_MAX_POWER_1_44)
pwr = SD_SET_POWER_LIMIT_1_44;
#endif
_sd_storage_switch(storage, buf, SD_SWITCH_SET, SD_SWITCH_GRP_PWRLIM, pwr); _sd_storage_switch(storage, buf, SD_SWITCH_SET, SD_SWITCH_GRP_PWRLIM, pwr);
if (((buf[15] >> 4) & 0x0F) == pwr) switch ((buf[15] >> 4) & 0x0F)
{ {
switch (pwr) case SD_SET_POWER_LIMIT_2_88:
{ DPRINTF("[SD] power limit raised to 2880 mW\n");
#if SDMMC_UHS2_SUPPORT break;
case SD_SET_POWER_LIMIT_2_88:
DPRINTF("[SD] power limit raised to 2880 mW\n");
break;
case SD_SET_POWER_LIMIT_2_16: case SD_SET_POWER_LIMIT_2_16:
DPRINTF("[SD] power limit raised to 2160 mW\n"); DPRINTF("[SD] power limit raised to 2160 mW\n");
break; break;
#endif
case SD_SET_POWER_LIMIT_1_44:
DPRINTF("[SD] power limit raised to 1440 mW\n");
break;
default: case SD_SET_POWER_LIMIT_1_44:
case SD_SET_POWER_LIMIT_0_72: DPRINTF("[SD] power limit raised to 1440 mW\n");
DPRINTF("[SD] power limit defaulted to 720 mW\n"); break;
break;
} default:
case SD_SET_POWER_LIMIT_0_72:
DPRINTF("[SD] power limit defaulted to 720 mW\n");
break;
} }
} }