Commit 00070396b06392fadcee0e19d499a43b81c63c45

Authored by Anthony Liguori
1 parent a2397807

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: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch 0 → 100644
  1 +Subject: [PATCH] bios: Use the correct mask to size the PCI option ROM BAR
  2 +From: Alex Williamson <alex.williamson@hp.com>
  3 +
  4 +Bit 0 is the enable bit, which we not only don't want to set, but
  5 +it will stick and make us think it's an I/O port resource.
  6 +
  7 +Signed-off-by: Alex Williamson <alex.williamson@hp.com>
  8 +Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
  9 +---
  10 +
  11 +diff --git a/bios/rombios32.c b/bios/rombios32.c
  12 +index d7e18e9..f861f81 100644
  13 +--- a/bios/rombios32.c
  14 ++++ b/bios/rombios32.c
  15 +@@ -985,11 +985,13 @@ static void pci_bios_init_device(PCIDevice *d)
  16 + int ofs;
  17 + uint32_t val, size ;
  18 +
  19 +- if (i == PCI_ROM_SLOT)
  20 ++ if (i == PCI_ROM_SLOT) {
  21 + ofs = 0x30;
  22 +- else
  23 ++ pci_config_writel(d, ofs, 0xfffffffe);
  24 ++ } else {
  25 + ofs = 0x10 + i * 4;
  26 +- pci_config_writel(d, ofs, 0xffffffff);
  27 ++ pci_config_writel(d, ofs, 0xffffffff);
  28 ++ }
  29 + val = pci_config_readl(d, ofs);
  30 + if (val != 0) {
  31 + size = (~(val & ~0xf)) + 1;
  32 +
  33 +
... ...
pc-bios/bios-pq/series
... ... @@ -13,3 +13,4 @@
13 13 0013_fix-non-acpi-timer-interrupt-routing.patch
14 14 0014_add-srat-acpi-table-support.patch
15 15 0015_enable-power-button-even-generation.patch
  16 +0016-use-correct-mask-to-size-pci-option-rom-bar.patch
... ...
pc-bios/bios.bin
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