diff options
| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2019-07-18 17:25:43 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2019-07-21 18:50:00 +0000 |
| commit | 6f76d0b12fcc04a118cb8827b58f56f395435fbb (patch) | |
| tree | 29378a4ab2ceee57c32a37b0b7751825b2ed516e | |
| parent | 7f383c0b4122193a5cd1efaa2aad214ed9f01896 (diff) | |
mb/google/hatch/var/kindred: Implement variant_devtree_update()
This change provides an implementation of variant_devtree_update() for
kindred that disable eMMC controller when SKU ID = 1 or 3
BUG=b:132918661
TEST=Verify eMMC is disabled when SKU ID = 1 or 3
Change-Id: I8ccb4dae54f223881e0ced9e034bf45b994cc6f2
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34400
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/mainboard/google/hatch/variants/kindred/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/hatch/variants/kindred/variant.c | 34 |
2 files changed, 35 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/kindred/Makefile.inc b/src/mainboard/google/hatch/variants/kindred/Makefile.inc index 563275dd19..78f3812252 100644 --- a/src/mainboard/google/hatch/variants/kindred/Makefile.inc +++ b/src/mainboard/google/hatch/variants/kindred/Makefile.inc @@ -21,3 +21,4 @@ SPD_SOURCES += 16G_2666 # 0b101 bootblock-y += gpio.c ramstage-y += gpio.c +ramstage-y += variant.c diff --git a/src/mainboard/google/hatch/variants/kindred/variant.c b/src/mainboard/google/hatch/variants/kindred/variant.c new file mode 100644 index 0000000000..14b26ed10c --- /dev/null +++ b/src/mainboard/google/hatch/variants/kindred/variant.c @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <baseboard/variants.h> +#include <soc/pci_devs.h> +#include <ec/google/chromeec/ec.h> + +void variant_devtree_update(void) +{ + uint32_t sku_id; + struct device *emmc_host; + + emmc_host = pcidev_path_on_root(PCH_DEVFN_EMMC); + + if (emmc_host == NULL) + return; + + /* SKU ID 1, 3 doesn't have a eMMC device, hence disable it. */ + sku_id = get_board_sku(); + if (sku_id == 1 || sku_id == 3) + emmc_host->enabled = 0; +} |