From 8444e3c47a98ff5f46ec43d711f04145e061026e Mon Sep 17 00:00:00 2001 From: David Wu Date: Wed, 7 Aug 2019 13:59:21 +0800 Subject: [PATCH] mb/google/hatch/var/kindred: Disable eMMC for new SKU ID 23 and 24 1. Disable eMMC controller for new SKU ID 23 and 24 2. Disable HS400 mode BUG=b:132918661 TEST=Verify eMMC is disabled when SKU ID = 1/3/23/24 Change-Id: I0d893f0f7339e7b1a1e6b56d1598c0a361c8d604 Signed-off-by: David Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/34788 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak Reviewed-by: Paul Fagerburg --- src/mainboard/google/hatch/variants/kindred/variant.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/mainboard/google/hatch/variants/kindred/variant.c b/src/mainboard/google/hatch/variants/kindred/variant.c index 14b26ed10c..54059477a1 100644 --- a/src/mainboard/google/hatch/variants/kindred/variant.c +++ b/src/mainboard/google/hatch/variants/kindred/variant.c @@ -14,6 +14,7 @@ */ #include +#include #include #include @@ -21,14 +22,16 @@ void variant_devtree_update(void) { uint32_t sku_id; struct device *emmc_host; - + config_t *cfg = config_of_path(SA_DEVFN_ROOT); 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 1/3/23/24 doesn't have a eMMC device, hence disable it. */ sku_id = get_board_sku(); - if (sku_id == 1 || sku_id == 3) + if (sku_id == 1 || sku_id == 3 || sku_id == 23 || sku_id == 24) { emmc_host->enabled = 0; + cfg->ScsEmmcHs400Enabled = 0; + } }