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git subrepo pull --force emummc

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subrepo:
  subdir:   "emummc"
  merged:   "2fc47cbb8"
upstream:
  origin:   "https://github.com/lulle2007200/emuMMC.git"
  branch:   "develop"
  commit:   "2fc47cbb8"
git-subrepo:
  version:  "0.4.9"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "30db3b8"
This commit is contained in:
lulle2007200
2025-05-12 14:22:12 +02:00
parent 0188898af4
commit 92c599f0f0
342 changed files with 106677 additions and 974 deletions
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72
emummc/source/emmc/nx_emmc.c vendored
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@@ -18,6 +18,8 @@
#include "../utils/types.h"
#include "nx_emmc.h"
static u32 emmc_mode = EMMC_MMC_HS400;
int nx_emmc_part_read(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf)
{
// The last LBA is inclusive.
@@ -33,3 +35,73 @@ int nx_emmc_part_write(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_o
return 0;
return sdmmc_storage_write(storage, part->lba_start + sector_off, num_sectors, buf);
}
int emmc_init_retry(bool power_cycle)
{
u32 bus_width = SDMMC_BUS_WIDTH_8;
u32 type = SDHCI_TIMING_MMC_HS400;
// Power cycle SD eMMC.
if (power_cycle)
{
emmc_mode--;
nx_emmc_end();
}
// Get init parameters.
switch (emmc_mode)
{
case EMMC_INIT_FAIL: // Reset to max.
return 0;
case EMMC_1BIT_HS52:
bus_width = SDMMC_BUS_WIDTH_1;
type = SDHCI_TIMING_MMC_HS52;
break;
case EMMC_8BIT_HS52:
type = SDHCI_TIMING_MMC_HS52;
break;
case EMMC_MMC_HS200:
type = SDHCI_TIMING_MMC_HS200;
break;
case EMMC_MMC_HS400:
type = SDHCI_TIMING_MMC_HS400;
break;
default:
emmc_mode = EMMC_MMC_HS400;
}
return sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, bus_width, type);
}
void nx_emmc_end() { sdmmc_storage_end(&emmc_storage); }
bool nx_emmc_initialize(bool power_cycle)
{
// Reset mode in case of previous failure.
if (emmc_mode == EMMC_INIT_FAIL)
emmc_mode = EMMC_MMC_HS400;
if (power_cycle)
nx_emmc_end();
int res = !emmc_init_retry(false);
while (true)
{
if (!res)
return true;
else
{
if (emmc_mode == EMMC_INIT_FAIL)
break;
else
res = !emmc_init_retry(true);
}
}
nx_emmc_end();
return false;
}
int nx_emmc_set_partition(u32 partition) { return sdmmc_storage_set_mmc_partition(&emmc_storage, partition); }