diff options
| author | Michael Niewöhner <foss@mniewoehner.de> | 2019-11-08 22:02:02 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-11-11 10:25:40 +0000 |
| commit | 8f22136c051f04ef0102fd468ba01a0f10f1a37c (patch) | |
| tree | 4ce6607d13938b092be7d95e5ea945f18a04d68f /src | |
| parent | bc2f9a30f3a61e3d02baf7abcc5440407035f354 (diff) | |
include/device: add pci mmio cfg address helpers
Add helpers for getting the pci mmio cfg address for a register.
Change-Id: Ie6fe22cacc7241a51d47cbe9fc64f30fa49d5a80
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36686
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/device/pci_mmio_cfg.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/device/pci_mmio_cfg.h b/src/include/device/pci_mmio_cfg.h index e3c5fe4873..8f26ff29b0 100644 --- a/src/include/device/pci_mmio_cfg.h +++ b/src/include/device/pci_mmio_cfg.h @@ -86,6 +86,24 @@ void pci_mmio_write_config32(pci_devfn_t dev, uint16_t reg, uint32_t value) pcicfg(dev)->reg32[reg / sizeof(uint32_t)] = value; } +static __always_inline +uint8_t *pci_mmio_config8_addr(pci_devfn_t dev, uint16_t reg) +{ + return (uint8_t *)&pcicfg(dev)->reg8[reg]; +} + +static __always_inline +uint16_t *pci_mmio_config16_addr(pci_devfn_t dev, uint16_t reg) +{ + return (uint16_t *)&pcicfg(dev)->reg16[reg / sizeof(uint16_t)]; +} + +static __always_inline +uint32_t *pci_mmio_config32_addr(pci_devfn_t dev, uint16_t reg) +{ + return (uint32_t *)&pcicfg(dev)->reg32[reg / sizeof(uint32_t)]; +} + #endif /* !defined(__ROMCC__) */ #if CONFIG(MMCONF_SUPPORT) |