Patch set updated for coreboot: libpayload: Parse MTC and fill mtc_start and mtc_size

[Patrick Georgi]

Patrick Georgi ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10563

-gerrit

commit 91e1626231be29f4ee9263e3473a2afc858a3bf6
Author: Furquan Shaikh 
Date:   Wed Jun 10 20:38:48 2015 -0700

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 
    Original-Commit-Id: b70d0d35c85fa1a2317b0239276d5d9e7a550472
    Original-Change-Id: I60b6f8ed4c704bd5ad6cce7fce2b9095babe181e
    Original-Signed-off-by: Furquan Shaikh 
    Original-Reviewed-on: https://chromium-review.googlesource.com/276778
    Original-Reviewed-by: Aaron Durbin 
    Original-Reviewed-by: Jimmy Zhang 
    Original-Commit-Queue: Furquan Shaikh 
    Original-Trybot-Ready: Furquan Shaikh 
    Original-Tested-by: Furquan Shaikh 
---
 payloads/libpayload/include/coreboot_tables.h |  1 +
 payloads/libpayload/include/sysinfo.h         |  2 ++
 payloads/libpayload/libc/coreboot.c           | 11 +++++++++++
 3 files changed, 14 insertions(+)

diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h
index 649cc2b..0c516b1 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 bce5c8e..083f19d 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 999465c..43a9f09 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;