diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-07-26 08:53:59 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2016-12-06 20:45:22 +0100 |
| commit | 48c389e69ebb3922594ccdd4664e7645d399920a (patch) | |
| tree | ebae3bc4498102ead65928528e9378decc075b3e /src/arch/x86 | |
| parent | 154768b902384bc53d30eefa83f89e79eaf4ec2f (diff) | |
PCI ops: Define read-modify-write routines globally
Change-Id: I7d64f46bb4ec3229879a60159efc8a8408512acd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17690
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/include/arch/io.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/io.h b/src/arch/x86/include/arch/io.h index 0d4be8662a..0d1cadfb28 100644 --- a/src/arch/x86/include/arch/io.h +++ b/src/arch/x86/include/arch/io.h @@ -374,4 +374,37 @@ void pci_or_config32(device_t dev, unsigned int where, u32 ormask) pci_write_config32(dev, where, value | ormask); } +static inline __attribute__ ((always_inline)) +void pci_update_config8(device_t dev, int reg, u8 mask, u8 or) +{ + u8 reg8; + + reg8 = pci_read_config8(dev, reg); + reg8 &= mask; + reg8 |= or; + pci_write_config8(dev, reg, reg8); +} + +static inline __attribute__ ((always_inline)) +void pci_update_config16(device_t dev, int reg, u16 mask, u16 or) +{ + u16 reg16; + + reg16 = pci_read_config16(dev, reg); + reg16 &= mask; + reg16 |= or; + pci_write_config16(dev, reg, reg16); +} + +static inline __attribute__ ((always_inline)) +void pci_update_config32(device_t dev, int reg, u32 mask, u32 or) +{ + u32 reg32; + + reg32 = pci_read_config32(dev, reg); + reg32 &= mask; + reg32 |= or; + pci_write_config32(dev, reg, reg32); +} + #endif |