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mb/prodrive/atlas: Disable ASPM for i225 port 

I225 doesn’t support ASPM, so disable it at the root port.

Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I61fe3760c1cde60795c9b52c703e521ba4df504a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63466
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Lean Sheng Tan 2022-04-07 15:34:40 +02:00 committed by Felix Held
parent 84ef4fb15b
commit ed74918f4e
1 changed files with 1 additions and 0 deletions
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src/mainboard/prodrive/atlas/devicetree.cb
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@ -60,6 +60,7 @@ chip soc/intel/alderlake
}" }"
register "pch_pcie_rp[PCH_RP(10)]" = "{ register "pch_pcie_rp[PCH_RP(10)]" = "{
.flags = PCIE_RP_CLK_SRC_UNUSED, .flags = PCIE_RP_CLK_SRC_UNUSED,
.pcie_rp_aspm = ASPM_DISABLE,
}" }"
register "pcie_clk_config_flag[0]" = "PCIE_CLK_FREE_RUNNING" register "pcie_clk_config_flag[0]" = "PCIE_CLK_FREE_RUNNING"
register "pcie_clk_config_flag[1]" = "PCIE_CLK_FREE_RUNNING" register "pcie_clk_config_flag[1]" = "PCIE_CLK_FREE_RUNNING"