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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 <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34788
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
This commit is contained in:
David Wu 2019-08-07 13:59:21 +08:00 committed by Furquan Shaikh
parent 2c430c8c5b
commit 8444e3c47a
1 changed files with 6 additions and 3 deletions
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9
src/mainboard/google/hatch/variants/kindred/variant.c
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@ -14,6 +14,7 @@
*/ */
#include <baseboard/variants.h> #include <baseboard/variants.h>
#include <chip.h>
#include <soc/pci_devs.h> #include <soc/pci_devs.h>
#include <ec/google/chromeec/ec.h> #include <ec/google/chromeec/ec.h>
@ -21,14 +22,16 @@ void variant_devtree_update(void)
{ {
uint32_t sku_id; uint32_t sku_id;
struct device *emmc_host; struct device *emmc_host;
config_t *cfg = config_of_path(SA_DEVFN_ROOT);
emmc_host = pcidev_path_on_root(PCH_DEVFN_EMMC); emmc_host = pcidev_path_on_root(PCH_DEVFN_EMMC);
if (emmc_host == NULL) if (emmc_host == NULL)
return; 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(); 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; emmc_host->enabled = 0;
cfg->ScsEmmcHs400Enabled = 0;
}
} }