Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5016
-gerrit
commit c82e95274d4604a6ccc97bd3535e21b0bd0d5202 Author: Duncan Laurie dlaurie@chromium.org Date: Thu Dec 12 10:43:58 2013 -0800
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 --- payloads/libpayload/arch/x86/coreboot.c | 9 +++++++++ payloads/libpayload/include/coreboot_tables.h | 1 + payloads/libpayload/include/sysinfo.h | 1 + 3 files changed, 11 insertions(+)
diff --git a/payloads/libpayload/arch/x86/coreboot.c b/payloads/libpayload/arch/x86/coreboot.c index bd10b22..12d3a12 100644 --- a/payloads/libpayload/arch/x86/coreboot.c +++ b/payloads/libpayload/arch/x86/coreboot.c @@ -136,6 +136,12 @@ static void cb_parse_mrc_cache(unsigned char *ptr, struct sysinfo_t *info) }
#ifdef CONFIG_NVRAM +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); +} + static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info) { /* ptr points to a coreboot table entry and is already virtual */ @@ -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 26838e8..911157b 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 a66c1e7..e2ceffc 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;