diff options
| -rw-r--r-- | arch/mips/include/asm/mips-boards/piix4.h | 5 | ||||
| -rw-r--r-- | arch/mips/pci/fixup-malta.c | 13 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h index 836e2ede24de..9cf54041d416 100644 --- a/arch/mips/include/asm/mips-boards/piix4.h +++ b/arch/mips/include/asm/mips-boards/piix4.h @@ -50,4 +50,9 @@ #define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43 #define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7) +/* Power Management Configuration Space */ +#define PIIX4_FUNC3_PMBA 0x40 +#define PIIX4_FUNC3_PMREGMISC 0x80 +#define PIIX4_FUNC3_PMREGMISC_EN (1 << 0) + #endif /* __ASM_MIPS_BOARDS_PIIX4_H */ diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 7a0eda782e35..2f9e52a1a750 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -51,6 +51,19 @@ int pcibios_plat_dev_init(struct pci_dev *dev) return 0; } +static void malta_piix_func3_base_fixup(struct pci_dev *dev) +{ + /* Set a sane PM I/O base address */ + pci_write_config_word(dev, PIIX4_FUNC3_PMBA, 0x1000); + + /* Enable access to the PM I/O region */ + pci_write_config_byte(dev, PIIX4_FUNC3_PMREGMISC, + PIIX4_FUNC3_PMREGMISC_EN); +} + +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, + malta_piix_func3_base_fixup); + static void malta_piix_func0_fixup(struct pci_dev *pdev) { unsigned char reg_val; |