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Copy latest sdmmc driver to stage2

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This commit is contained in:
TuxSH
2018-05-24 01:17:13 +02:00
parent fd77e5543e
commit 4d43a86b60
5 changed files with 1035 additions and 133 deletions
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56
fusee/fusee-secondary/src/sdmmc.h
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@@ -34,7 +34,6 @@ enum sdmmc_bus_width {
*/
enum sdmmc_bus_voltage {
MMC_VOLTAGE_3V3 = 0b111,
MMC_VOLTAGE_3V0 = 0b110,
MMC_VOLTAGE_1V8 = 0b101,
};
@@ -116,13 +115,28 @@ enum sdmmc_switch_argument_offsets {
/**
* Fields that can be modified by CMD_SWITCH_MODE.
* Bus speeds possible for an SDMMC controller.
*/
enum sdmmc_switch_field {
/* Fields */
MMC_GROUP_ERASE_DEF = 175,
MMC_PARTITION_CONFIG = 179,
MMC_BUS_WIDTH = 183,
enum sdmmc_bus_speed {
/* SD card speeds */
SDMMC_SPEED_SDR12 = 0,
SDMMC_SPEED_SDR25 = 1,
SDMMC_SPEED_SDR50 = 2,
SDMMC_SPEED_SDR104 = 3,
SDMMC_SPEED_DDR50 = 4,
/* Other speed: non-spec-compliant value used for e.g. HS400 */
SDMMC_SPEED_OTHER = 5,
/* eMMC card speeds */
/* note: to avoid an enum clash, we add ten to these */
SDMMC_SPEED_HS26 = 10 ,
SDMMC_SPEED_HS52 = 11 ,
SDMMC_SPEED_HS200 = 12 ,
SDMMC_SPEED_HS400 = 13 ,
/* special speeds */
SDMMC_SPEED_INIT = -1,
};
@@ -136,13 +150,14 @@ struct mmc {
/* Controller properties */
const char *name;
bool use_dma;
bool allow_voltage_switching;
unsigned int timeout;
enum tegra_named_gpio card_detect_gpio;
enum sdmmc_card_type card_type;
enum sdmmc_write_permission write_enable;
/* Per-controller operations. */
int (*set_up_clock_and_io)(struct mmc *mmc);
void (*configure_clock)(struct mmc *mmc, int source, int car_divisor, int sdmmc_divisor);
int (*enable_supplies)(struct mmc *mmc);
int (*switch_to_low_voltage)(struct mmc *mmc);
bool (*card_present)(struct mmc *mmc);
@@ -150,17 +165,22 @@ struct mmc {
/* Per-card-type operations */
int (*card_init)(struct mmc *mmc);
int (*establish_relative_address)(struct mmc *mmc);
int (*switch_mode)(struct mmc *mmc, enum sdmmc_switch_access_mode mode,
enum sdmmc_switch_field field, uint16_t value, uint32_t timeout);
int (*switch_mode)(struct mmc *mmc, int a, int b, int c, uint32_t timeout, void *response);
int (*switch_bus_width)(struct mmc *mmc, enum sdmmc_bus_width width);
int (*optimize_speed)(struct mmc *mmc);
int (*card_switch_bus_speed)(struct mmc *mmc, enum sdmmc_bus_speed speed);
/* Card properties */
enum sdmmc_card_type card_type;
uint32_t mmc_card_type;
uint8_t cid[15];
uint32_t relative_address;
uint8_t partitioned;
enum sdmmc_spec_version spec_version;
enum sdmmc_bus_width max_bus_width;
enum sdmmc_bus_voltage operating_voltage;
enum sdmmc_bus_speed operating_speed;
uint8_t partition_support;
uint8_t partition_config;
@@ -169,6 +189,7 @@ struct mmc {
uint8_t read_block_order;
uint8_t write_block_order;
uint8_t tuning_block_order;
bool uses_block_addressing;
/* Current operation status flags */
@@ -201,17 +222,22 @@ enum sdmmc_partition {
* Sets the current SDMMC debugging loglevel.
*
* @param loglevel Current log level. A higher value prints more logs.
* @return The loglevel prior to when this was applied, for easy restoration.
*/
void sdmmc_set_loglevel(int loglevel);
int sdmmc_set_loglevel(int loglevel);
/**
* Initiailzes an SDMMC controller for use with an eMMC or SD card device.
* Set up a new SDMMC driver.
*
* @param mmc An (uninitialized) structure for the MMC device.
* @param controller The controller number to be initialized. Either SWITCH_MICROSD or SWITCH_EMMC.
* @param mmc The SDMMC structure to be initiailized with the device state.
* @param controler The controller description to be used; usually SWITCH_EMMC
* or SWITCH_MICROSD.
* @param allow_voltage_switching True if we should allow voltage switching,
* which may not make sense if we're about to chainload to another component,
* a la fusee stage1.
*/
int sdmmc_init(struct mmc *mmc, enum sdmmc_controller controller);
int sdmmc_init(struct mmc *mmc, enum sdmmc_controller controller, bool allow_voltage_switching);
/**