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>
diff --git a/src/include/device/pci_mmio_cfg.h b/src/include/device/pci_mmio_cfg.h
index e3c5fe4..8f26ff2 100644
--- a/src/include/device/pci_mmio_cfg.h
+++ b/src/include/device/pci_mmio_cfg.h
@@ -86,6 +86,24 @@
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)