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>
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@ -14,6 +14,7 @@
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*/
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#include <baseboard/variants.h>
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#include <chip.h>
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#include <soc/pci_devs.h>
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#include <ec/google/chromeec/ec.h>
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@ -21,14 +22,16 @@ void variant_devtree_update(void)
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{
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uint32_t sku_id;
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struct device *emmc_host;
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config_t *cfg = config_of_path(SA_DEVFN_ROOT);
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emmc_host = pcidev_path_on_root(PCH_DEVFN_EMMC);
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if (emmc_host == NULL)
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return;
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/* SKU ID 1, 3 doesn't have a eMMC device, hence disable it. */
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/* SKU ID 1/3/23/24 doesn't have a eMMC device, hence disable it. */
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sku_id = get_board_sku();
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if (sku_id == 1 || sku_id == 3)
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if (sku_id == 1 || sku_id == 3 || sku_id == 23 || sku_id == 24) {
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emmc_host->enabled = 0;
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cfg->ScsEmmcHs400Enabled = 0;
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}
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}
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