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Pass screen status and mmc struct from stage1 to 2

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This commit is contained in:
TuxSH
2018-06-04 19:17:23 +02:00
parent 116eb6c67c
commit b2139ed182
13 changed files with 139 additions and 30 deletions
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29
fusee/fusee-primary/src/sdmmc.c
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@@ -2259,7 +2259,7 @@ static int sdmmc_send_app_command(struct mmc *mmc, enum sdmmc_command command,
}
// And issue the body of the command.
return sdmmc_send_command(mmc, command, response_type, checks, argument, response_buffer,
return sdmmc_send_command(mmc, command, response_type, checks, argument, response_buffer,
blocks_to_transfer, false, auto_terminate, data_buffer);
}
@@ -3382,8 +3382,8 @@ static int sdmmc_initialize_defaults(struct mmc *mmc)
* @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.
* which may not make sense if we're about to chainload to another component without
* preseving the overall structure.
*/
int sdmmc_init(struct mmc *mmc, enum sdmmc_controller controller, bool allow_voltage_switching)
{
@@ -3445,6 +3445,29 @@ int sdmmc_init(struct mmc *mmc, enum sdmmc_controller controller, bool allow_vol
}
/**
* Imports a SDMMC driver struct from another program. This mainly intended for stage2,
* so that it can reuse stage1's SDMMC struct instance(s).
*
* @param mmc The SDMMC structure to be imported.
*/
int sdmmc_import_struct(struct mmc *mmc)
{
int rc;
bool uses_block_addressing = mmc->uses_block_addressing;
mmc->regs = sdmmc_get_regs(mmc->controller);
rc = sdmmc_initialize_defaults(mmc);
if (rc) {
printk("ERROR: controller SDMMC%d not currently supported!\n", mmc->controller + 1);
return rc;
}
mmc->uses_block_addressing = uses_block_addressing;
return 0;
}
/**
* Selects the active MMC partition. Can be used to select
* boot partitions for access. Affects all operations going forward.