diff options
| author | Martin Roth <martinroth@chromium.org> | 2018-09-17 13:30:51 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-09-21 07:07:52 +0000 |
| commit | 4ae44fce56e7d13ff2a4246b1ab229cf603a1423 (patch) | |
| tree | 3223f9c3c6baf7b358f471429e47fac17927342c /src/mainboard/google/kahlee/variants | |
| parent | 06c14d096200fcd2fb595732225a5a8272b09617 (diff) | |
mainboard/google/kahlee: allow oem.bin file to update smbios
Grunt variants need a way to customize the mainboard vendor based on the
platform. For future boards, this can probably be done via CBI, but
grunt doesn't support that method.
BUG=b:79874904
TEST=Build, boot, see updated mainboard vendor
Change-Id: I997dc39c7f36f70cf4320ef335831245889eb475
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/28651
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@google.com>
Diffstat (limited to 'src/mainboard/google/kahlee/variants')
| -rw-r--r-- | src/mainboard/google/kahlee/variants/baseboard/Makefile.inc | 7 | ||||
| -rw-r--r-- | src/mainboard/google/kahlee/variants/baseboard/mainboard.c | 49 |
2 files changed, 56 insertions, 0 deletions
diff --git a/src/mainboard/google/kahlee/variants/baseboard/Makefile.inc b/src/mainboard/google/kahlee/variants/baseboard/Makefile.inc index 1f6d8ce792..6ffbf5373b 100644 --- a/src/mainboard/google/kahlee/variants/baseboard/Makefile.inc +++ b/src/mainboard/google/kahlee/variants/baseboard/Makefile.inc @@ -25,3 +25,10 @@ romstage-y += tpm_tis.c ramstage-y += gpio.c ramstage-y += tpm_tis.c + +# Add OEM ID table +ifeq ($(CONFIG_USE_OEM_BIN),y) +cbfs-files-y += oem.bin +oem.bin-file := $(call strip_quotes,$(CONFIG_OEM_BIN_FILE)) +oem.bin-type := raw +endif #($(CONFIG_USE_OEM_BIN),y) diff --git a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c index 3edcd65dc1..ad5fb2bc4f 100644 --- a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c +++ b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c @@ -15,7 +15,9 @@ #include <ec/google/chromeec/ec.h> #include <baseboard/variants.h> +#include <cbfs.h> #include <gpio.h> +#include <smbios.h> #include <variant/gpio.h> #include <device/pci.h> #include <drivers/generic/bayhub/bh720.h> @@ -73,3 +75,50 @@ void board_bh720(struct device *dev) write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x800000D0); write32((void *)(sdbar + BH720_MEM_ACCESS_EN), 0x80000000); } + +static uint8_t calc_oem_id(void) +{ + return variant_board_sku() / 0x10; +} + +/* "oem.bin" in cbfs contains an array of records using the following structure. */ +struct oem_mapping { + uint8_t oem_id; + char oem_name[10]; +} __packed; + +/* Local buffer to read "oem.bin" */ +static char oem_bin_data[200]; + +const char *smbios_mainboard_manufacturer(void) +{ + uint8_t oem_id; + const struct oem_mapping *oem_entry = (void *)&oem_bin_data; + size_t oem_data_size; + unsigned int i, oem_entries_count; + static const char *manuf; + + if (!IS_ENABLED(CONFIG_USE_OEM_BIN)) + return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; + + if (manuf) + return manuf; + + oem_data_size = cbfs_boot_load_file("oem.bin", oem_bin_data, + sizeof(oem_bin_data), + CBFS_TYPE_RAW); + oem_id = calc_oem_id(); + oem_entries_count = oem_data_size / sizeof(*oem_entry); + for (i = 0; i < oem_entries_count; i++) { + if (oem_id == oem_entry->oem_id) { + manuf = oem_entry->oem_name; + break; + } + oem_entry++; + } + + if (manuf == NULL) + manuf = CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; + + return manuf; +} |