From 272afe8030e1c0f371617a654656ec22c1b67ccf Mon Sep 17 00:00:00 2001 From: David Hendricks Date: Thu, 20 Nov 2014 13:59:45 -0800 Subject: libpayload: Add RAM code to sysinfo_t This adds CB_TAG_RAM_CODE and an entry to sysinfo_t. BUG=chrome-os-partner:31728 BRANCH=none TEST=Built and booted on pinky w/ depthcharge patch and saw that /proc/device-tree/firmware/coreboot/ram-code contains correct value Change-Id: I35ee1bcdc77bc6d4d24c1e804aefdbbfaa3875a4 Signed-off-by: Patrick Georgi Original-Commit-Id: ca6d044f2e719ded1d78a5ab3d923e06c3b88d6b Original-Signed-off-by: David Hendricks Original-Change-Id: I69ee1fc7bc09c9d1c387efe2d171c57e62cfaf3f Original-Reviewed-on: https://chromium-review.googlesource.com/231132 Original-Reviewed-by: Julius Werner Reviewed-on: http://review.coreboot.org/8755 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- payloads/libpayload/libc/coreboot.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'payloads/libpayload/libc/coreboot.c') diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c index 489adf4a9f..1f1cf320a2 100644 --- a/payloads/libpayload/libc/coreboot.c +++ b/payloads/libpayload/libc/coreboot.c @@ -154,6 +154,12 @@ static void cb_parse_board_id(unsigned char *ptr, struct sysinfo_t *info) info->board_id = cbbid->board_id; } +static void cb_parse_ram_code(unsigned char *ptr, struct sysinfo_t *info) +{ + struct cb_ram_code *const ram_code = (struct cb_ram_code *)ptr; + info->ram_code = ram_code->ram_code; +} + #ifdef CONFIG_LP_NVRAM static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info) { @@ -228,10 +234,12 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) info->header = header; /* - * Valid board IDs are small numbers, preset this to an invalid value - * for the case when firmware does not supply the board ID. + * Board straps represented by numerical values are small numbers. + * Preset them to an invalid value in case the firmware does not + * supply the info. */ info->board_id = ~0; + info->ram_code = ~0; /* Now, walk the tables. */ ptr += header->header_bytes; @@ -329,6 +337,9 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_BOARD_ID: cb_parse_board_id(ptr, info); break; + case CB_TAG_RAM_CODE: + cb_parse_ram_code(ptr, info); + break; case CB_TAG_WIFI_CALIBRATION: cb_parse_wifi_calibration(ptr, info); break; -- cgit v1.2.3