device/pci_ops: Have only default PCI bus ops available

In the current state of the tree we do not utilise the
mechanism of having per-device overrides for PCI bus
ops.

This change effectively inlines all PCI config accessors
for ramstage as well.

Change-Id: I11c37cadfcbef8fb5657dec6d620e6bccab311a4
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31753
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

3 files changed, 7 insertions, 33 deletions

diff --git a/src/include/device/device.h b/src/include/device/device.h
index 2e2cda9d94..7d7be732e8 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -17,7 +17,6 @@
 
 struct device;
 struct pci_operations;
-struct pci_bus_operations;
 struct i2c_bus_operations;
 struct smbus_bus_operations;
 struct pnp_mode_ops;
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 14c4693459..f1de7bffa2 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -22,6 +22,7 @@
 #include <device/pci_def.h>
 #include <device/resource.h>
 #include <device/device.h>
+#include <device/pci_ops.h>
 #include <device/pci_rom.h>
 #include <device/pci_type.h>
 
@@ -33,19 +34,6 @@ struct pci_operations {
 	void (*set_L1_ss_latency)(struct device *dev, unsigned int off);
 };
 
-/* Common pci bus operations */
-struct pci_bus_operations {
-	uint8_t   (*read8)(pci_devfn_t dev, uint16_t reg);
-	uint16_t (*read16)(pci_devfn_t dev, uint16_t reg);
-	uint32_t (*read32)(pci_devfn_t dev, uint16_t reg);
-	void     (*write8)(pci_devfn_t dev, uint16_t reg, uint8_t val);
-	void    (*write16)(pci_devfn_t dev, uint16_t reg, uint16_t val);
-	void    (*write32)(pci_devfn_t dev, uint16_t reg, uint32_t val);
-};
-
-// FIXME: Needs complete pci_bus_operations
-#include <device/pci_ops.h>
-
 struct pci_driver {
 	const struct device_operations *ops;
 	unsigned short vendor;
diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h
index bb77754cb6..454795f519 100644
--- a/src/include/device/pci_ops.h
+++ b/src/include/device/pci_ops.h
@@ -39,13 +39,6 @@
 
 #include <device/pci.h>
 
-const struct pci_bus_operations *pci_bus_default_ops(void);
-
-static __always_inline const struct pci_bus_operations *pci_bus_ops(void)
-{
-	return pci_bus_default_ops();
-}
-
 void __noreturn pcidev_die(void);
 
 static __always_inline pci_devfn_t pcidev_bdf(const struct device *dev)
@@ -63,43 +56,37 @@ static __always_inline pci_devfn_t pcidev_assert(const struct device *dev)
 static __always_inline
 u8 pci_read_config8(const struct device *dev, u16 reg)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	return pci_bus_ops()->read8(bdf, reg);
+	return pci_s_read_config8(PCI_BDF(dev), reg);
 }
 
 static __always_inline
 u16 pci_read_config16(const struct device *dev, u16 reg)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	return pci_bus_ops()->read16(bdf, reg);
+	return pci_s_read_config16(PCI_BDF(dev), reg);
 }
 
 static __always_inline
 u32 pci_read_config32(const struct device *dev, u16 reg)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	return pci_bus_ops()->read32(bdf, reg);
+	return pci_s_read_config32(PCI_BDF(dev), reg);
 }
 
 static __always_inline
 void pci_write_config8(const struct device *dev, u16 reg, u8 val)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	pci_bus_ops()->write8(bdf, reg, val);
+	pci_s_write_config8(PCI_BDF(dev), reg, val);
 }
 
 static __always_inline
 void pci_write_config16(const struct device *dev, u16 reg, u16 val)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	pci_bus_ops()->write16(bdf, reg, val);
+	pci_s_write_config16(PCI_BDF(dev), reg, val);
 }
 
 static __always_inline
 void pci_write_config32(const struct device *dev, u16 reg, u32 val)
 {
-	pci_devfn_t bdf = PCI_BDF(dev);
-	pci_bus_ops()->write32(bdf, reg, val);
+	pci_s_write_config32(PCI_BDF(dev), reg, val);
 }
 
 #endif