diff options
Diffstat (limited to 'payloads/libpayload/include/coreboot_tables.h')
| -rw-r--r-- | payloads/libpayload/include/coreboot_tables.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 92e3f26180..705e348666 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -287,6 +287,21 @@ struct cb_macs { struct mac_address mac_addrs[0]; }; +#define CB_TAG_MMC_INFO 0x0034 +struct cb_mmc_info { + uint32_t tag; + uint32_t size; + /* + * Passes the early mmc status to payload to indicate if firmware + * successfully sent CMD0, CMD1 to the card or not. In case of + * success, the payload can skip the first step of the initialization + * sequence which is to send CMD0, and instead start by sending CMD1 + * as described in Jedec Standard JESD83-B1 section 6.4.3. + * passes 1 on success + */ + int32_t early_cmd1_status; +}; + #define CB_TAG_SERIALNO 0x002a #define CB_MAX_SERIALNO_LENGTH 32 |