diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/gnvs.c')
| -rw-r--r-- | src/vendorcode/google/chromeos/gnvs.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/gnvs.c b/src/vendorcode/google/chromeos/gnvs.c index 86ba4f3353..44162c88fc 100644 --- a/src/vendorcode/google/chromeos/gnvs.c +++ b/src/vendorcode/google/chromeos/gnvs.c @@ -20,6 +20,7 @@ #include <cbmem.h> #include <console/console.h> #include <elog.h> +#include <fmap.h> #include <security/vboot/vbnv.h> #include <security/vboot/vboot_common.h> #include <vboot_struct.h> @@ -30,14 +31,41 @@ static chromeos_acpi_t *chromeos_acpi; static u32 me_hash_saved[8]; +static size_t chromeos_vpd_region(const char *region, uintptr_t *base) +{ + struct region_device vpd; + + if (fmap_locate_area_as_rdev(region, &vpd)) + return 0; + + *base = (uintptr_t)rdev_mmap_full(&vpd); + + return region_device_sz(&vpd); +} + void chromeos_init_chromeos_acpi(chromeos_acpi_t *init) { + size_t vpd_size; + uintptr_t vpd_base = 0; + chromeos_acpi = init; /* Copy saved ME hash into NVS */ memcpy(chromeos_acpi->mehh, me_hash_saved, sizeof(chromeos_acpi->mehh)); chromeos_ram_oops_init(chromeos_acpi); + + vpd_size = chromeos_vpd_region("RO_VPD", &vpd_base); + if (vpd_size && vpd_base) { + chromeos_acpi->vpd_ro_base = vpd_base; + chromeos_acpi->vpd_ro_size = vpd_size; + } + + vpd_size = chromeos_vpd_region("RW_VPD", &vpd_base); + if (vpd_size && vpd_base) { + chromeos_acpi->vpd_rw_base = vpd_base; + chromeos_acpi->vpd_rw_size = vpd_size; + } } void chromeos_set_me_hash(u32 *hash, int len) |