diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2013-12-12 10:43:58 -0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-01-30 05:49:13 +0100 |
| commit | f517c448a5b297662d061c03a5a89f5fd2e248e2 (patch) | |
| tree | d50f0edc97061b439fcaa9b5e2d6a441e406318c /payloads/libpayload | |
| parent | 2f6402c7a66acb7fd51794b190fbecfb852bcab4 (diff) | |
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')
| -rw-r--r-- | payloads/libpayload/arch/x86/coreboot.c | 9 | ||||
| -rw-r--r-- | payloads/libpayload/include/coreboot_tables.h | 1 | ||||
| -rw-r--r-- | payloads/libpayload/include/sysinfo.h | 1 |
3 files changed, 11 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; diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 26838e8dc3..911157bf93 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -195,6 +195,7 @@ struct cb_vdat { #define CB_TAG_TIMESTAMPS 0x0016 #define CB_TAG_CBMEM_CONSOLE 0x0017 #define CB_TAG_MRC_CACHE 0x0018 +#define CB_TAG_ACPI_GNVS 0x0024 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 a66c1e7c8f..e2ceffc259 100644 --- a/payloads/libpayload/include/sysinfo.h +++ b/payloads/libpayload/include/sysinfo.h @@ -107,6 +107,7 @@ struct sysinfo_t { void *tstamp_table; void *cbmem_cons; void *mrc_cache; + void *acpi_gnvs; }; extern struct sysinfo_t lib_sysinfo; |