mirrors/hekate
1
0
Fork 0
mirror of https://github.com/CTCaer/hekate.git synced 2024-11-22 18:06:40 +00:00
Code Issues Releases Activity

bdk: sdmmc: allow max power limit to be set

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

41
bdk/storage/sdmmc.c
View file

@ -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;
// If UHS-I only, anything above 1.44W defaults to 1.44W.
#if SDMMC_UHS2_SUPPORT
// If UHS-I only, anything above 1.44W defaults to 1.44W.
if (power_limit & SD_MAX_POWER_2_88)
pwr = SD_SET_POWER_LIMIT_2_88;
else if (power_limit & SD_MAX_POWER_2_16)
pwr = SD_SET_POWER_LIMIT_2_16;
else if (power_limit & SD_MAX_POWER_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);
if (((buf[15] >> 4) & 0x0F) == pwr)
switch ((buf[15] >> 4) & 0x0F)
{
switch (pwr)
{
#if SDMMC_UHS2_SUPPORT
case SD_SET_POWER_LIMIT_2_88:
DPRINTF("[SD] power limit raised to 2880 mW\n");
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:
DPRINTF("[SD] power limit raised to 2160 mW\n");
break;
#endif
case SD_SET_POWER_LIMIT_1_44:
DPRINTF("[SD] power limit raised to 1440 mW\n");
break;
case SD_SET_POWER_LIMIT_2_16:
DPRINTF("[SD] power limit raised to 2160 mW\n");
break;
default:
case SD_SET_POWER_LIMIT_0_72:
DPRINTF("[SD] power limit defaulted to 720 mW\n");
break;
}
case SD_SET_POWER_LIMIT_1_44:
DPRINTF("[SD] power limit raised to 1440 mW\n");
break;
default:
case SD_SET_POWER_LIMIT_0_72:
DPRINTF("[SD] power limit defaulted to 720 mW\n");
break;
}
}