New patch to review for coreboot: da85051 libpayload: make wifi calibration table available through sysinfo

[Patrick Georgi]

Patrick Georgi ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8753

-gerrit

commit da8505119ef1f664703ce83c0cbcbaa0187d5a32
Author: Vadim Bendebury 
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 
    Original-Commit-Id: 46a649608e6740e07c562c722fadd8c64e264b5f
    Original-Change-Id: Iecd8739c9269b58064b3c3275f5376cebcd6804b
    Original-Signed-off-by: Vadim Bendebury 
    Original-Reviewed-on: https://chromium-review.googlesource.com/225506
    Original-Reviewed-by: Aaron Durbin 
---
 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;