GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mb/google/skyrim/var/winterhold: 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:274377518
TEST=emerge-skyrim coreboot chromeos-bootimage and verify ok.

Change-Id: I1329386631dc54209db54ac146e4aafe95b6a3ac
Signed-off-by: Rex Chou <rex_chou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74599
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
This commit is contained in:
EricKY Cheng 2023-04-20 17:21:24 +08:00 committed by Martin Roth
parent 2ee716227e
commit 09eab1f1a4
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/mainboard/google/skyrim/variants/winterhold/port_descriptors.c
View File

@ -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;
}
}