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Remove non-working code

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This commit is contained in:
RocketRobz 2022-07-06 18:32:33 -06:00
parent 1bbd77f73d
commit 2b850a957c
1 changed files with 12 additions and 30 deletions
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42
bootloader/source/sdmmc.c
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@ -329,59 +329,41 @@ int sdmmc_sdcard_init() {
if (deviceSD.error & 0x4) return -1;
sdmmc_send_command(&deviceSD,0x10403,0);
if (deviceSD.error & 0x4) return -2;
if (deviceSD.error & 0x4) return -1;
deviceSD.initarg = deviceSD.ret[0] >> 0x10;
sdmmc_send_command(&deviceSD,0x10609,deviceSD.initarg << 0x10);
if (deviceSD.error & 0x4) return -3;
if (deviceSD.error & 0x4) return -1;
// Command Class 10 support
const bool cmd6Supported = ((u8*)deviceSD.ret)[10] & 0x40;
deviceSD.total_size = calcSDSize((u8*)&deviceSD.ret[0],-1);
setckl(0x201); // 16.756991 MHz
deviceSD.clk = 1;
setckl(1);
sdmmc_send_command(&deviceSD,0x10507,deviceSD.initarg << 0x10);
if (deviceSD.error & 0x4) return -4;
if (deviceSD.error & 0x4) return -1;
// CMD55
sdmmc_send_command(&deviceSD,0x10437,deviceSD.initarg << 0x10);
if (deviceSD.error & 0x4) return -5;
if (deviceSD.error & 0x4) return -1;
// ACMD42
sdmmc_send_command(&deviceSD,0x1076A,0x0);
if (deviceSD.error & 0x4) return -6;
if (deviceSD.error & 0x4) return -1;
// CMD55
sdmmc_send_command(&deviceSD,0x10437,deviceSD.initarg << 0x10);
if (deviceSD.error & 0x4) return -7;
if (deviceSD.error & 0x4) return -1;
deviceSD.SDOPT = 1;
sdmmc_send_command(&deviceSD,0x10446,0x2);
if (deviceSD.error & 0x4) return -8;
sdmmc_mask16(REG_SDOPT, 0x8000, 0); // Switch to 4 bit mode.
// TODO: CMD6 to switch to high speed mode.
if(cmd6Supported)
{
sdmmc_write16(REG_SDSTOP,0);
sdmmc_write16(REG_SDBLKLEN32,64);
sdmmc_write16(REG_SDBLKLEN,64);
deviceSD.rData = NULL;
deviceSD.size = 64;
sdmmc_send_command(&deviceSD,0x31C06,0x80FFFFF1);
sdmmc_write16(REG_SDBLKLEN,512);
if(deviceSD.error & 0x4) return -9;
deviceSD.clk = 0x200; // 33.513982 MHz
setckl(0x200);
}
else deviceSD.clk = 0x201; // 16.756991 MHz
if (deviceSD.error & 0x4) return -1;
sdmmc_send_command(&deviceSD,0x1040D,deviceSD.initarg << 0x10);
if (deviceSD.error & 0x4) return -9;
if (deviceSD.error & 0x4) return -1;
sdmmc_send_command(&deviceSD,0x10410,0x200);
if (deviceSD.error & 0x4) return -10;
if (deviceSD.error & 0x4) return -1;
deviceSD.clk |= 0x200;
return 0;