diff options
| author | Furquan Shaikh <furquan@google.com> | 2015-06-10 20:38:48 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-06-23 08:19:57 +0200 |
| commit | 3cec871eaa772073ab016194eb24bdc6fb3c675c (patch) | |
| tree | 996bc8683daea15cb0e0db9b55c7ded4488202d2 /payloads/libpayload | |
| parent | 78c6e3ec42e9519fc329a65045bfd8b169080b59 (diff) | |
libpayload: Parse MTC and fill mtc_start and mtc_size
Parse coreboot table and fill in mtc_start and mtc_size values in
sysinfo structure.
BUG=chrome-os-partner:41125
BRANCH=None
TEST=Compiles successfully and boots to kernel prompt
Change-Id: If210ea0a105f6879686e6e930cb29e66bc5e6cd0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b70d0d35c85fa1a2317b0239276d5d9e7a550472
Original-Change-Id: I60b6f8ed4c704bd5ad6cce7fce2b9095babe181e
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/276778
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/10563
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Diffstat (limited to 'payloads/libpayload')
| -rw-r--r-- | payloads/libpayload/include/coreboot_tables.h | 1 | ||||
| -rw-r--r-- | payloads/libpayload/include/sysinfo.h | 2 | ||||
| -rw-r--r-- | payloads/libpayload/libc/coreboot.c | 11 |
3 files changed, 14 insertions, 0 deletions
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 649cc2bb07..0c516b1e49 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -190,6 +190,7 @@ struct cb_gpios { #define CB_TAG_VBOOT_HANDOFF 0x0020 #define CB_TAG_DMA 0x0022 #define CB_TAG_RAM_OOPS 0x0023 +#define CB_TAG_MTC 0x002b struct lb_range { uint32_t tag; uint32_t size; diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h index bce5c8e4de..083f19de82 100644 --- a/payloads/libpayload/include/sysinfo.h +++ b/payloads/libpayload/include/sysinfo.h @@ -124,6 +124,8 @@ struct sysinfo_t { uint32_t sector_size; uint32_t erase_cmd; } spi_flash; + uint64_t mtc_start; + uint32_t mtc_size; }; extern struct sysinfo_t lib_sysinfo; diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c index 999465cb82..43a9f09f1c 100644 --- a/payloads/libpayload/libc/coreboot.c +++ b/payloads/libpayload/libc/coreboot.c @@ -203,6 +203,14 @@ static void cb_parse_ramoops(void *ptr, struct sysinfo_t *info) info->ramoops_buffer_size = ramoops->range_size; } +static void cb_parse_mtc(void *ptr, struct sysinfo_t *info) +{ + struct lb_range *mtc = (struct lb_range *)ptr; + + info->mtc_start = mtc->range_start; + info->mtc_size = mtc->range_size; +} + static void cb_parse_spi_flash(void *ptr, struct sysinfo_t *info) { struct cb_spi_flash *flash = (struct cb_spi_flash *)ptr; @@ -361,6 +369,9 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_SPI_FLASH: cb_parse_spi_flash(ptr, info); break; + case CB_TAG_MTC: + cb_parse_mtc(ptr, info); + break; default: cb_parse_arch_specific(rec, info); break; |