diff options
Diffstat (limited to 'src/mainboard/google/brya/variants/xol/overridetree.cb')
| -rw-r--r-- | src/mainboard/google/brya/variants/xol/overridetree.cb | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/xol/overridetree.cb b/src/mainboard/google/brya/variants/xol/overridetree.cb index b825ddd2f5..80d15feb62 100644 --- a/src/mainboard/google/brya/variants/xol/overridetree.cb +++ b/src/mainboard/google/brya/variants/xol/overridetree.cb @@ -268,10 +268,13 @@ chip soc/intel/alderlake end end device ref pcie4_0 on - # Enable CPU PCIE RP 1 using CLK 0 + # Enable NVMe SSD using clk_src0 and clk_req1 mapping to hardware + # design. Due to inconsistency between PMC firmware and FSP, we need + # to set clk_src to clk_req number, not same as hardware mapping in + # coreboot. Then swap correct setting clksrc, clkreq in mFIT. register "cpu_pcie_rp[CPU_RP(1)]" = "{ .clk_req = 1, - .clk_src = 0, + .clk_src = 1, .flags = PCIE_RP_LTR | PCIE_RP_AER, }" probe STORAGE STORAGE_NVME |