mpc83xx: convert to using do_fixup_*()

convert to using simpler mpc85xx style fdt update code; streamline by
eliminating macros OF_SOC, OF_CPU, etc. which allows us to rm
the old school FLAT_TREE code from 83xx (since the sbc8349 was just
converted over to using libfdt).

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/cpu/mpc83xx/pci.c b/cpu/mpc83xx/pci.c
index 0defb0e..18558db 100644
--- a/cpu/mpc83xx/pci.c
+++ b/cpu/mpc83xx/pci.c
@@ -28,8 +28,7 @@
 
 #if defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
-#elif defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
+#include <fdt_support.h>
 #endif
 
 #include <asm/mpc8349_pci.h>
@@ -173,63 +172,41 @@
 void ft_pci_setup(void *blob, bd_t *bd)
 {
 	int nodeoffset;
-	int err;
 	int tmp[2];
+	const char *path;
 
 	if (pci_num_buses < 1)
 		return;
 
-	nodeoffset = fdt_path_offset(blob, "/" OF_SOC "/pci@8500");
+	nodeoffset = fdt_path_offset(blob, "/aliases");
 	if (nodeoffset >= 0) {
-		tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
-		tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
-		err = fdt_setprop(blob, nodeoffset, "bus-range",
-				  tmp, sizeof(tmp));
+		path = fdt_getprop(blob, nodeoffset, "pci0", NULL);
+		if (path) {
+			tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
+			tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
+			do_fixup_by_path(blob, path, "bus-range",
+				&tmp, sizeof(tmp), 1);
 
-		tmp[0] = cpu_to_be32(gd->pci_clk);
-		err = fdt_setprop(blob, nodeoffset, "clock-frequency",
-				  tmp, sizeof(tmp[0]));
-	}
-
-	if (pci_num_buses < 2)
-		return;
-
-	nodeoffset = fdt_path_offset(blob, "/" OF_SOC "/pci@8600");
-	if (nodeoffset >= 0) {
-		tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
-		tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
-		err = fdt_setprop(blob, nodeoffset, "bus-range",
-				  tmp, sizeof(tmp));
-
-		tmp[0] = cpu_to_be32(gd->pci_clk);
-		err = fdt_setprop(blob, nodeoffset, "clock-frequency",
-				  tmp, sizeof(tmp[0]));
-	}
-}
-#elif CONFIG_OF_FLAT_TREE
-void ft_pci_setup(void *blob, bd_t *bd)
-{
-	u32 *p;
-	int len;
-
-	if (pci_num_buses < 1)
-		return;
+			tmp[0] = cpu_to_be32(gd->pci_clk);
+			do_fixup_by_path(blob, path, "clock-frequency",
+				&tmp, sizeof(tmp[0]), 1);
+		}
 
-	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len);
-	if (p) {
-		p[0] = pci_hose[0].first_busno;
-		p[1] = pci_hose[0].last_busno;
-	}
+		if (pci_num_buses < 2)
+			return;
 
-	if (pci_num_buses < 2)
-		return;
+		path = fdt_getprop(blob, nodeoffset, "pci1", NULL);
+		if (path) {
+			tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
+			tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
+			do_fixup_by_path(blob, path, "bus-range",
+				&tmp, sizeof(tmp), 1);
 
-	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8600/bus-range", &len);
-	if (p) {
-		p[0] = pci_hose[1].first_busno;
-		p[1] = pci_hose[1].last_busno;
+			tmp[0] = cpu_to_be32(gd->pci_clk);
+			do_fixup_by_path(blob, path, "clock-frequency",
+				&tmp, sizeof(tmp[0]), 1);
+		}
 	}
 }
-#endif /* CONFIG_OF_FLAT_TREE */
-
+#endif /* CONFIG_OF_LIBFDT */
 #endif /* CONFIG_83XX_GENERIC_PCI */