[coreboot-gerrit] Change in coreboot[master]: include/device: add pci mmio cfg address helpers

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/36686 )

Change subject: include/device: add pci mmio cfg address helpers
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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 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36686
Reviewed-by: Aaron Durbin 
Tested-by: build bot (Jenkins) 
---
M src/include/device/pci_mmio_cfg.h
1 file changed, 18 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Aaron Durbin: Looks good to me, approved

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)