diff options
Diffstat (limited to 'pc-bios/bios-pq/0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch')
| -rw-r--r-- | pc-bios/bios-pq/0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/pc-bios/bios-pq/0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch b/pc-bios/bios-pq/0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch new file mode 100644 index 0000000000..bd7403f88c --- /dev/null +++ b/pc-bios/bios-pq/0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch @@ -0,0 +1,26 @@ +bios: mark the acpi sci interrupt as connected to irq 9 (Avi Kivity) + +Due to a chipset bug, the sci interrupt is hardwired to irq 9. Set the +pci interrupt line register accordingly. + +Signed-off-by: Avi Kivity <avi@qumranet.com> +Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> + +Index: bochs/bios/rombios32.c +=================================================================== +--- bochs.orig/bios/rombios32.c ++++ bochs/bios/rombios32.c +@@ -981,6 +981,8 @@ static void pci_bios_init_device(PCIDevi + /* PIIX4 Power Management device (for ACPI) */ + pm_io_base = PM_IO_BASE; + smb_io_base = SMB_IO_BASE; ++ // acpi sci is hardwired to 9 ++ pci_config_writeb(d, PCI_INTERRUPT_LINE, 9); + pm_sci_int = pci_config_readb(d, PCI_INTERRUPT_LINE); + piix4_pm_enable(d); + acpi_enabled = 1; + +-- + + + |