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fusee: work around some dual-init SDMMC issues

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This commit is contained in:
Kate J. Temkin
2018-05-23 06:14:38 -06:00
parent ef9adabb40
commit eaf8e559d6
3 changed files with 44 additions and 16 deletions
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16
fusee/fusee-primary/src/sdmmc.h
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@@ -150,6 +150,7 @@ 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_write_permission write_enable;
@@ -221,17 +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);
/**