Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8753
-gerrit
commit da8505119ef1f664703ce83c0cbcbaa0187d5a32 Author: Vadim Bendebury vbendeb@chromium.org Date: Fri Oct 24 15:14:55 2014 -0700
libpayload: make wifi calibration table available through sysinfo
The WiFi calibration blob saved in the CBMEM by coreboot needs to be visible by depthcharge to supply it to the kernel.
BRANCH=storm BUG=chrome-os-partner:32611 TEST=none yet
Change-Id: I43a857f073a47ca315d400df4c53d5eb38e91601 Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 46a649608e6740e07c562c722fadd8c64e264b5f Original-Change-Id: Iecd8739c9269b58064b3c3275f5376cebcd6804b Original-Signed-off-by: Vadim Bendebury vbendeb@chromium.org Original-Reviewed-on: https://chromium-review.googlesource.com/225506 Original-Reviewed-by: Aaron Durbin adurbin@chromium.org --- payloads/libpayload/include/coreboot_tables.h | 1 + payloads/libpayload/include/sysinfo.h | 1 + payloads/libpayload/libc/coreboot.c | 9 +++++++++ 3 files changed, 11 insertions(+)
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 13a9978..72c2ad8 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -199,6 +199,7 @@ struct lb_range { #define CB_TAG_CBMEM_CONSOLE 0x0017 #define CB_TAG_MRC_CACHE 0x0018 #define CB_TAG_ACPI_GNVS 0x0024 +#define CB_TAG_WIFI_CALIBRATION 0x0027 struct cb_cbmem_tab { uint32_t tag; uint32_t size; diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h index b90a8bd..5ad839b 100644 --- a/payloads/libpayload/include/sysinfo.h +++ b/payloads/libpayload/include/sysinfo.h @@ -114,6 +114,7 @@ struct sysinfo_t { void *mrc_cache; void *acpi_gnvs; u32 board_id; + void *wifi_calibration; };
extern struct sysinfo_t lib_sysinfo; diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c index 5da6cb8..f9b03c2 100644 --- a/payloads/libpayload/libc/coreboot.c +++ b/payloads/libpayload/libc/coreboot.c @@ -183,6 +183,12 @@ static void cb_parse_string(unsigned char *ptr, char **info) *info = (char *)((struct cb_string *)ptr)->string; }
+static void cb_parse_wifi_calibration(void *ptr, struct sysinfo_t *info) +{ + struct cb_cbmem_tab *const cbmem = (struct cb_cbmem_tab *)ptr; + info->wifi_calibration = phys_to_virt(cbmem->cbmem_tab); +} + int cb_parse_header(void *addr, int len, struct sysinfo_t *info) { struct cb_header *header; @@ -315,6 +321,9 @@ 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_WIFI_CALIBRATION: + cb_parse_wifi_calibration(ptr, info); + break; default: cb_parse_arch_specific(rec, info); break;