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mb/google/skyrim/var/markarth: Change to read the eMMC clkreq instead 

Because WD SSD drive isn't holding the clock low for some reason.
So we change to read eMMC clkreq signal instead.

BRANCH=none
BUG=b:278495684
TEST=emerge-skyrim coreboot chromeos-bootimage and verify ok.

Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Change-Id: I3a9225473a6ae1ba01dc8e5d982c4999f073267e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74583
Reviewed-by: Chao Gui <chaogui@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
This commit is contained in:
John Su 2023-04-20 14:35:35 +08:00 committed by Martin Roth
parent fb74b3e037
commit fa7e6b8c03
1 changed files with 6 additions and 6 deletions
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12
src/mainboard/google/skyrim/variants/markarth/port_descriptors.c
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@ -74,7 +74,7 @@ static const fsp_dxio_descriptor nvme_dxio_descriptors[] = {
},
};
#define NVME_CLKREQ_GPIO 92
#define EMMC_CLKREQ_GPIO 115
void variant_get_dxio_descriptor(const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num)
{
/*
@ -85,13 +85,13 @@ void variant_get_dxio_descriptor(const fsp_dxio_descriptor **dxio_descs, size_t
* This allows checking the state of the NVMe device clkreq signal and enabling
* either eMMC or NVMe based on that.
*/
if (gpio_get(NVME_CLKREQ_GPIO)) {
printk(BIOS_DEBUG, "Enabling eMMC.\n");
*dxio_num = ARRAY_SIZE(emmc_dxio_descriptors);
*dxio_descs = emmc_dxio_descriptors;
} else {
if (gpio_get(EMMC_CLKREQ_GPIO)) {
printk(BIOS_DEBUG, "Enabling NVMe.\n");
*dxio_num = ARRAY_SIZE(nvme_dxio_descriptors);
*dxio_descs = nvme_dxio_descriptors;
} else {
printk(BIOS_DEBUG, "Enabling eMMC.\n");
*dxio_num = ARRAY_SIZE(emmc_dxio_descriptors);
*dxio_descs = emmc_dxio_descriptors;
}
}