split for initobject

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1264 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/arch/ppc/lib/pci_dev.c

@@ -0,0 +1,54 @@
+#include <arch/io.h>
+#include <arch/pciconf.h>
+
+/*
+ * Direct access to PCI hardware...
+ */
+
+uint8_t pci_ppc_read_config8(unsigned char bus, int devfn, int where)
+{
+	uint8_t res;
+
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	res = in_8((unsigned char *)PCIC0_CFGDATA + (where & 3));
+	return res;
+}
+
+uint16_t pci_ppc_read_config16(unsigned char bus, int devfn, int where)
+{
+	uint16_t res;
+
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	res = in_le16((unsigned short *)PCIC0_CFGDATA + (where & 2));
+	return res;
+}
+
+uint32_t pci_ppc_read_config32(unsigned char bus, int devfn, int where)
+{
+	uint32_t res;
+
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	res = in_le32((unsigned *)PCIC0_CFGDATA);
+	return res;
+}
+
+int pci_ppc_write_config8(unsigned char bus, int devfn, int where, uint8_t data)
+{
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	out_8((unsigned char *)PCIC0_CFGDATA + (where & 3), data);
+	return 0;
+}
+
+int pci_ppc_write_config16(unsigned char bus, int devfn, int where, uint16_t data)
+{
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	out_le16((unsigned short *)PCIC0_CFGDATA + (where & 2), data);
+	return 0;
+}
+
+int pci_ppc_write_config32(unsigned char bus, int devfn, int where, uint32_t data)
+{
+	out_le32((unsigned *)PCIC0_CFGADDR, CONFIG_CMD(bus, devfn, where));
+	out_le32((unsigned *)PCIC0_CFGDATA, data);
+	return 0;
+}