Commit 00070396 authored by Anthony Liguori's avatar Anthony Liguori
Browse files

bios: Use the correct mask to size the PCI option ROM BAR



Bit 0 is the enable bit, which we not only don't want to set, but
it will stick and make us think it's an I/O port resource.
Signed-off-by: default avatarAlex Williamson <alex.williamson@hp.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent a2397807
Subject: [PATCH] bios: Use the correct mask to size the PCI option ROM BAR
From: Alex Williamson <alex.williamson@hp.com>
Bit 0 is the enable bit, which we not only don't want to set, but
it will stick and make us think it's an I/O port resource.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
diff --git a/bios/rombios32.c b/bios/rombios32.c
index d7e18e9..f861f81 100644
--- a/bios/rombios32.c
+++ b/bios/rombios32.c
@@ -985,11 +985,13 @@ static void pci_bios_init_device(PCIDevice *d)
int ofs;
uint32_t val, size ;
- if (i == PCI_ROM_SLOT)
+ if (i == PCI_ROM_SLOT) {
ofs = 0x30;
- else
+ pci_config_writel(d, ofs, 0xfffffffe);
+ } else {
ofs = 0x10 + i * 4;
- pci_config_writel(d, ofs, 0xffffffff);
+ pci_config_writel(d, ofs, 0xffffffff);
+ }
val = pci_config_readl(d, ofs);
if (val != 0) {
size = (~(val & ~0xf)) + 1;
......@@ -13,3 +13,4 @@
0013_fix-non-acpi-timer-interrupt-routing.patch
0014_add-srat-acpi-table-support.patch
0015_enable-power-button-even-generation.patch
0016-use-correct-mask-to-size-pci-option-rom-bar.patch
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