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authorDuncan Laurie <dlaurie@chromium.org>2013-12-12 10:43:58 -0800
committerAaron Durbin <adurbin@google.com>2014-01-30 05:49:13 +0100
commitf517c448a5b297662d061c03a5a89f5fd2e248e2 (patch)
treed50f0edc97061b439fcaa9b5e2d6a441e406318c /payloads/libpayload/arch
parent2f6402c7a66acb7fd51794b190fbecfb852bcab4 (diff)
downloadcoreboot-f517c448a5b297662d061c03a5a89f5fd2e248e2.tar.xz
libpayload: Parse CBMEM ACPI GNVS pointer
Pull the ACPI GNVS pointer from CBMEM and expose it in the sysinfo structure for use by payloads. BUG=chrome-os-partner:24380 BRANCH=none TEST=build and boot rambi with emmc in ACPI mode Change-Id: I47c358f33c464a4a01080268fb553705218c940c Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/179900 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5016 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'payloads/libpayload/arch')
-rw-r--r--payloads/libpayload/arch/x86/coreboot.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/x86/coreboot.c b/payloads/libpayload/arch/x86/coreboot.c
index bd10b22e29..43aa97069c 100644
--- a/payloads/libpayload/arch/x86/coreboot.c
+++ b/payloads/libpayload/arch/x86/coreboot.c
@@ -135,6 +135,12 @@ static void cb_parse_mrc_cache(unsigned char *ptr, struct sysinfo_t *info)
info->mrc_cache = phys_to_virt(cbmem->cbmem_tab);
}
+static void cb_parse_acpi_gnvs(unsigned char *ptr, struct sysinfo_t *info)
+{
+ struct cb_cbmem_tab *const cbmem = (struct cb_cbmem_tab *)ptr;
+ info->acpi_gnvs = phys_to_virt(cbmem->cbmem_tab);
+}
+
#ifdef CONFIG_NVRAM
static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info)
{
@@ -288,6 +294,9 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
case CB_TAG_MRC_CACHE:
cb_parse_mrc_cache(ptr, info);
break;
+ case CB_TAG_ACPI_GNVS:
+ cb_parse_acpi_gnvs(ptr, info);
+ break;
case CB_TAG_X86_ROM_MTRR:
cb_parse_x86_rom_var_mtrr(ptr, info);
break;