From ddf2bc5081e0eafc33af40a06f4217c5c851fa3f Mon Sep 17 00:00:00 2001 From: Bora Guvendik Date: Fri, 30 Mar 2018 16:03:32 -0700 Subject: coreboot_tables: pass the early_mmc_wake_hw status to payload Pass the return value from early_mmc_wake_hw() to the payload so that payload can skip sending CMD0 and resetting the card in case of success or in case of a failure in firmware, payload can recover by sending CMD0 and resetting the card. BUG=b:78106689 TEST=Boot to OS Change-Id: Ia4c57d05433c3966118c3642913d7017958cce55 Signed-off-by: Bora Guvendik Reviewed-on: https://review.coreboot.org/c/coreboot/+/25464 Reviewed-by: Lijian Zhao Tested-by: build bot (Jenkins) --- src/lib/coreboot_table.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'src/lib') diff --git a/src/lib/coreboot_table.c b/src/lib/coreboot_table.c index 6e44f5d3d5..14cd030202 100644 --- a/src/lib/coreboot_table.c +++ b/src/lib/coreboot_table.c @@ -321,6 +321,22 @@ static void lb_sku_id(struct lb_header *header) printk(BIOS_INFO, "SKU ID: %d\n", sid); } +static void lb_mmc_info(struct lb_header *header) +{ + struct lb_mmc_info *rec; + int32_t *ms_cbmem; + + ms_cbmem = cbmem_find(CBMEM_ID_MMC_STATUS); + if (!ms_cbmem) + return; + + rec = (struct lb_mmc_info *)lb_new_record(header); + + rec->tag = LB_TAG_MMC_INFO; + rec->size = sizeof(*rec); + rec->early_cmd1_status = *ms_cbmem; +} + static void add_cbmem_pointers(struct lb_header *header) { /* @@ -559,6 +575,9 @@ static uintptr_t write_coreboot_table(uintptr_t rom_table_end) lb_ram_code(head); lb_sku_id(head); + /* Pass mmc early init status */ + lb_mmc_info(head); + /* Add SPI flash description if available */ if (CONFIG(BOOT_DEVICE_SPI_FLASH)) lb_spi_flash(head); -- cgit v1.2.3