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sb/intel/lynxpoint/pcie.c: Fix 0xf5 register mask

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Lynx Point PCH reference code version 1.9.1 masks the upper 4 bits of
the PCIe root port register at offset 0xf5.

Change-Id: I9529ad88d34a5cb4a09843e3165f3a70c5ea22e8
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57502
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2021-09-08 15:06:56 +02:00 committed by Matt DeVillier
parent fd46b497ea
commit 6ef23316c2
1 changed files with 1 additions and 1 deletions
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2
src/southbridge/intel/lynxpoint/pcie.c
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@ -662,7 +662,7 @@ static void pch_pcie_early(struct device *dev)
/* Set Invalid Receive Range Check Enable in MPC register. */
pci_or_config32(dev, 0xd8, 1 << 25);
pci_and_config8(dev, 0xf5, 0x3f);
pci_and_config8(dev, 0xf5, 0x0f);
if (rp == 1 || rp == 5 || (is_lp && rp == 6))
pci_and_config8(dev, 0xf7, ~0x0c);