diff options
| author | Jon Murphy <jpmurphy@google.com> | 2023-06-01 14:40:37 -0600 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-06-04 18:52:09 +0000 |
| commit | ba5a2a189ef8594b773888f94ef9fd3ffa199fc4 (patch) | |
| tree | fb2ac5cd30b486f12827ebb9a0282af9304c2e03 /src/mainboard | |
| parent | 7c5c4fdf18820623262b78c57a9a77d0f6b45282 (diff) | |
mb/google/myst: Add PCIe shutdown workaround
On Myst, the FSP is shutting down the PCIe lanes that the SSD is
on. Enable hotplug to force the FSP to keep the lanes active.
BUG=b:284213391
TEST=Boot to OS
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: Iaf0aca329f05f15a3ce9edfa6a0e782c2edccabe
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75583
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/myst/port_descriptors.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/myst/port_descriptors.c b/src/mainboard/google/myst/port_descriptors.c index 6d0d0d6ff9..108dd4e639 100644 --- a/src/mainboard/google/myst/port_descriptors.c +++ b/src/mainboard/google/myst/port_descriptors.c @@ -54,6 +54,8 @@ static const fsp_dxio_descriptor emmc_descriptor = { .function_number = PCI_FUNC(NVME_DEVFN), .link_speed_capability = GEN_MAX, .turn_off_unused_lanes = true, + /* TODO(b/284213391): Fix PCIe shutdown */ + .link_hotplug = 3, .clk_req = CLK_REQ3, }; @@ -66,6 +68,8 @@ static const fsp_dxio_descriptor nvme_descriptor = { .function_number = PCI_FUNC(NVME_DEVFN), .link_speed_capability = GEN_MAX, .turn_off_unused_lanes = true, + /* TODO(b/284213391): Fix PCIe shutdown */ + .link_hotplug = 3, .clk_req = CLK_REQ3, }; |