diff options
Diffstat (limited to 'pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch')
| -rw-r--r-- | pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch b/pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch new file mode 100644 index 0000000000..556a0bda79 --- /dev/null +++ b/pc-bios/bios-pq/0016-use-correct-mask-to-size-pci-option-rom-bar.patch @@ -0,0 +1,33 @@ +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; + + |