1 files changed, 55 insertions, 0 deletions
diff --git a/src/devices/pci_ops.c b/src/devices/pci_ops.c
new file mode 100644
index 0000000000..441b328e0f
--- /dev/null
+++ b/src/devices/pci_ops.c
@@ -0,0 +1,55 @@
+#include <console/console.h>
+#include <arch/pciconf.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static struct bus *get_pbus(device_t dev)
+{
+	struct bus *pbus = dev->bus;
+	while(pbus && pbus->dev && !ops_pci_bus(pbus)) {
+		pbus = pbus->dev->bus;
+	}
+	if (!pbus || !pbus->dev || !pbus->dev->ops || !pbus->dev->ops->ops_pci_bus) {
+		printk_alert("%s Cannot find pci bus operations", dev_path(dev));
+		die("");
+		for(;;);
+	}
+	return pbus;
+}
+
+uint8_t pci_read_config8(device_t dev, unsigned where)
+{
+	struct bus *pbus = get_pbus(dev);
+	return ops_pci_bus(pbus)->read8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
+}
+
+uint16_t pci_read_config16(device_t dev, unsigned where)
+{
+	struct bus *pbus = get_pbus(dev);
+	return ops_pci_bus(pbus)->read16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
+}
+
+uint32_t pci_read_config32(device_t dev, unsigned where)
+{
+	struct bus *pbus = get_pbus(dev);
+	return ops_pci_bus(pbus)->read32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where);
+}
+
+void pci_write_config8(device_t dev, unsigned where, uint8_t val)
+{
+	struct bus *pbus = get_pbus(dev);
+	ops_pci_bus(pbus)->write8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
+}
+
+void pci_write_config16(device_t dev, unsigned where, uint16_t val)
+{
+	struct bus *pbus = get_pbus(dev);
+	ops_pci_bus(pbus)->write16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
+}
+
+void pci_write_config32(device_t dev, unsigned where, uint32_t val)
+{
+	struct bus *pbus = get_pbus(dev);
+	ops_pci_bus(pbus)->write32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val);
+}