diff options
| author | Bernardo Perez Priego <bernardo.perez.priego@intel.com> | 2021-05-17 17:37:29 -0700 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-06-01 23:03:35 +0000 |
| commit | ea8a6a2ba20795b70e08714b6b55609db9eaa23e (patch) | |
| tree | f7f638f2743bd0a8078dbba6f53ce7f354a855da /src/mainboard | |
| parent | de44c0cc36d4e07b38bbf0c0adab76dc145426ea (diff) | |
mb/intel/adlrvp_m: Enable LTR for PCIE
BUG=none
TEST=Use command $ lspci -vv
LTR+ is listed on DevCtl2
Signed-off-by: Bernardo Perez Priego <bernardo.perez.priego@intel.com>
Change-Id: If65d08a46b9e7304fbe4b92b7f1e6d4e08c599e7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54492
Reviewed-by: Ryan A Albazzaz <ryan.a.albazzaz@intel.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/intel/adlrvp/devicetree_m.cb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/mainboard/intel/adlrvp/devicetree_m.cb b/src/mainboard/intel/adlrvp/devicetree_m.cb index 9c66bd73fd..4e4135fc98 100644 --- a/src/mainboard/intel/adlrvp/devicetree_m.cb +++ b/src/mainboard/intel/adlrvp/devicetree_m.cb @@ -42,28 +42,32 @@ chip soc/intel/alderlake register "pch_pcie_rp[PCH_RP(4)]" = "{ .clk_src = 5, .clk_req = 5, - .flags = PCIE_RP_CLK_REQ_DETECT, + .flags = PCIE_RP_CLK_REQ_DETECT | PCIE_RP_LTR, + .PcieRpL1Substates = L1_SS_L1_2, }" # Enable PCH PCIE RP 5 using CLK 2 register "pch_pcie_rp[PCH_RP(5)]" = "{ .clk_src = 2, .clk_req = 2, - .flags = PCIE_RP_CLK_REQ_DETECT, + .flags = PCIE_RP_CLK_REQ_DETECT | PCIE_RP_LTR, + .PcieRpL1Substates = L1_SS_L1_2, }" # Enable PCH PCIE RP 9 using CLK 3 register "pch_pcie_rp[PCH_RP(9)]" = "{ .clk_src = 3, .clk_req = 3, - .flags = PCIE_RP_CLK_REQ_DETECT, + .flags = PCIE_RP_CLK_REQ_DETECT | PCIE_RP_LTR, + .PcieRpL1Substates = L1_SS_L1_2, }" #Enable PCH PCIE RP 10 using CLK 1 register "pch_pcie_rp[PCH_RP(10)]" = "{ .clk_src = 1, .clk_req = 1, - .flags = PCIE_RP_CLK_REQ_DETECT, + .flags = PCIE_RP_CLK_REQ_DETECT | PCIE_RP_LTR, + .PcieRpL1Substates = L1_SS_L1_2, }" # Hybrid storage mode |