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fusee: Properly finalize SDMMC1 (fixes 8.0.0 issues with PCV)
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parent
a3389e25c9
commit
732a6159f7
4 changed files with 33 additions and 2 deletions
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@ -1202,6 +1202,9 @@ void sdmmc_finish(sdmmc_t *sdmmc)
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/* Power cycle for 100ms without power. */
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mdelay(100);
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/* Disable the regulator. */
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max77620_regulator_enable(REGULATOR_LDO2, 0);
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}
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/* Force a register read to refresh the clock control value. */
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@ -52,7 +52,8 @@ SdmmcPartitionNum g_current_emmc_partition = SDMMC_PARTITION_INVALID;
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static int mmc_partition_initialize(device_partition_t *devpart) {
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mmc_partition_info_t *mmcpart = (mmc_partition_info_t *)devpart->device_struct;
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if (devpart->read_cipher != NULL || devpart->write_cipher != NULL) {
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/* Allocate the crypto work buffer. */
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if ((devpart->read_cipher != NULL) || (devpart->write_cipher != NULL)) {
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devpart->crypto_work_buffer = memalign(16, devpart->sector_size * 16);
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if (devpart->crypto_work_buffer == NULL) {
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return ENOMEM;
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@ -70,6 +71,7 @@ static int mmc_partition_initialize(device_partition_t *devpart) {
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g_ahb_redirect_enabled = true;
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}
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/* Initialize hardware. */
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if (mmcpart->device == &g_sd_device) {
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if (!g_sd_device_initialized) {
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int rc = sdmmc_device_sd_init(mmcpart->device, &g_sd_sdmmc, SDMMC_BUS_WIDTH_4BIT, SDMMC_SPEED_SDR104) ? 0 : EIO;
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@ -94,13 +96,33 @@ static int mmc_partition_initialize(device_partition_t *devpart) {
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}
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static void mmc_partition_finalize(device_partition_t *devpart) {
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free(devpart->crypto_work_buffer);
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mmc_partition_info_t *mmcpart = (mmc_partition_info_t *)devpart->device_struct;
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/* Finalize hardware. */
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if (mmcpart->device == &g_sd_device) {
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if (g_sd_device_initialized) {
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sdmmc_device_finish(&g_sd_device);
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g_sd_device_initialized = false;
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}
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devpart->initialized = false;
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} else if (mmcpart->device == &g_emmc_device) {
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if (g_emmc_device_initialized) {
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sdmmc_device_finish(&g_emmc_device);
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g_emmc_device_initialized = false;
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}
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devpart->initialized = false;
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}
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/* Disable AHB redirection if necessary. */
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if (g_ahb_redirect_enabled) {
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mc_disable_ahb_redirect();
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g_ahb_redirect_enabled = false;
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}
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/* Free the crypto work buffer. */
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if (devpart->crypto_work_buffer != NULL) {
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free(devpart->crypto_work_buffer);
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}
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}
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static int mmc_partition_read(device_partition_t *devpart, void *dst, uint64_t sector, uint64_t num_sectors) {
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@ -1202,6 +1202,9 @@ void sdmmc_finish(sdmmc_t *sdmmc)
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/* Power cycle for 100ms without power. */
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mdelay(100);
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/* Disable the regulator. */
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max77620_regulator_enable(REGULATOR_LDO2, 0);
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}
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/* Force a register read to refresh the clock control value. */
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@ -1202,6 +1202,9 @@ void sdmmc_finish(sdmmc_t *sdmmc)
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/* Power cycle for 100ms without power. */
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mdelay(100);
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/* Disable the regulator. */
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max77620_regulator_enable(REGULATOR_LDO2, 0);
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}
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/* Force a register read to refresh the clock control value. */
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