Signed-off-by: Christian Gmeiner christian.gmeiner@gmail.com --- arch/x86/cpu/coreboot/tables.c | 14 ++++++++++++++ arch/x86/include/asm/arch-coreboot/sysinfo.h | 2 ++ arch/x86/include/asm/coreboot_tables.h | 11 +++++++++++ 3 files changed, 27 insertions(+)
diff --git a/arch/x86/cpu/coreboot/tables.c b/arch/x86/cpu/coreboot/tables.c index 0f04c4f8e9..a5d31d1dea 100644 --- a/arch/x86/cpu/coreboot/tables.c +++ b/arch/x86/cpu/coreboot/tables.c @@ -69,6 +69,17 @@ static void cb_parse_vbnv(unsigned char *ptr, struct sysinfo_t *info) info->vbnv_size = vbnv->vbnv_size; }
+static void cb_parse_cbmem_entry(unsigned char *ptr, struct sysinfo_t *info) +{ + struct cb_cbmem_entry *entry = (struct cb_cbmem_entry *)ptr; + + if (entry->id != CBMEM_ID_SMBIOS) + return; + + info->smbios_start = entry->address; + info->smbios_size = entry->entry_size; +} + static void cb_parse_gpios(unsigned char *ptr, struct sysinfo_t *info) { int i; @@ -206,6 +217,9 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_VBNV: cb_parse_vbnv(ptr, info); break; + case CB_TAG_CBMEM_ENTRY: + cb_parse_cbmem_entry(ptr, info); + break; default: cb_parse_unhandled(rec->tag, ptr); break; diff --git a/arch/x86/include/asm/arch-coreboot/sysinfo.h b/arch/x86/include/asm/arch-coreboot/sysinfo.h index dd8d1cba92..419ec52933 100644 --- a/arch/x86/include/asm/arch-coreboot/sysinfo.h +++ b/arch/x86/include/asm/arch-coreboot/sysinfo.h @@ -49,6 +49,8 @@ struct sysinfo_t { u32 vdat_size; void *tstamp_table; void *cbmem_cons; + u64 smbios_start; + u32 smbios_size;
struct cb_serial *serial; }; diff --git a/arch/x86/include/asm/coreboot_tables.h b/arch/x86/include/asm/coreboot_tables.h index 268284f43c..7e1576768b 100644 --- a/arch/x86/include/asm/coreboot_tables.h +++ b/arch/x86/include/asm/coreboot_tables.h @@ -214,6 +214,17 @@ struct cb_vbnv { uint32_t vbnv_size; };
+#define CB_TAG_CBMEM_ENTRY 0x0031 +#define CBMEM_ID_SMBIOS 0x534d4254 + +struct cb_cbmem_entry { + uint32_t tag; + uint32_t size; + uint64_t address; + uint32_t entry_size; + uint32_t id; +}; + #define CB_TAG_CMOS_OPTION_TABLE 0x00c8
struct cb_cmos_option_table {