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[sdmmc] Fixes Part 1

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* MMC/SD: Change many hardcoded values to named ones
* MMC/SD: Fix scr and csd byte/bitfield ordering
* MMC: Add ext csd parsing and using these variables isntead of arrays
* MMC: Fix BKOPS support but disabled
* SD: Add partial sd v1 support
* SD: Fix we support low voltage OCR bit
* SD: Add scr parsing and using these variables instead of hardcoded ones
This commit is contained in:
Kostas Missos
2018-05-14 01:28:27 +03:00
committed by nwert
parent 4d7f016e3a
commit acdc8b580c
5 changed files with 203 additions and 50 deletions
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28
ipl/sdmmc_driver.c
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@@ -304,10 +304,30 @@ static int _sdmmc_cache_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type)
case SDMMC_RSP_TYPE_2:
if (size < 0x10)
return 0;
rsp[0] = sdmmc->regs->rspreg0;
rsp[1] = sdmmc->regs->rspreg1;
rsp[2] = sdmmc->regs->rspreg2;
rsp[3] = sdmmc->regs->rspreg3;
// CRC is stripped, so shifting is needed.
u32 tempreg;
for (int i = 0; i < 4; i++)
{
switch(i)
{
case 0:
tempreg = sdmmc->regs->rspreg3;
break;
case 1:
tempreg = sdmmc->regs->rspreg2;
break;
case 2:
tempreg = sdmmc->regs->rspreg1;
break;
case 3:
tempreg = sdmmc->regs->rspreg0;
break;
}
rsp[i] = tempreg << 8;
if (i != 0)
rsp[i - 1] |= (tempreg >> 24) & 0xFF;
}
break;
default:
return 0;