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PCI ops: Define read-modify-write routines globally

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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>
This commit is contained in:
Kyösti Mälkki
2013-07-26 08:53:59 +03:00
parent 154768b902
commit 48c389e69e
5 changed files with 131 additions and 164 deletions
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33
src/arch/x86/include/arch/io.h
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@ -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