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fusee: support low-voltage SDMMC mode

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This commit is contained in:
Kate J. Temkin
2018-05-10 06:05:00 -07:00
parent b20a04ede5
commit 437344fd25
4 changed files with 415 additions and 146 deletions
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7
fusee/fusee-primary/src/sdmmc.h
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@@ -61,8 +61,9 @@ enum sdmmc_spec_version {
MMC_VERSION_4 = 0,
/* SD card versions */
SD_VERSION_1 = 1,
SD_VERSION_2 = 2,
SD_VERSION_1_0 = 0,
SD_VERSION_1_1 = 1,
SD_VERSION_2_0 = 2,
};
@@ -143,6 +144,7 @@ struct mmc {
/* Per-controller operations. */
int (*set_up_clock_and_io)(struct mmc *mmc);
int (*enable_supplies)(struct mmc *mmc);
int (*switch_to_low_voltage)(struct mmc *mmc);
bool (*card_present)(struct mmc *mmc);
/* Per-card-type operations */
@@ -166,6 +168,7 @@ struct mmc {
uint32_t partition_switch_time;
uint8_t read_block_order;
uint8_t write_block_order;
bool uses_block_addressing;
/* Pointers to hardware structures */