ppc4xx: Add fdt support to AMCC Katmai eval board

Signed-off-by: Stefan Roese <sr@denx.de>

board/amcc/katmai/katmai.c

@@ -25,6 +25,8 @@
 #include <common.h>
 #include <ppc4xx.h>
 #include <i2c.h>
+#include <libfdt.h>
+#include <fdt_support.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
@@ -533,3 +535,24 @@ int post_hotkeys_pressed(void)
 	return (ctrlc());
 }
 #endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	u32 val[4];
+	int rc;
+
+	ft_cpu_setup(blob, bd);
+
+	/* Fixup NOR mapping */
+	val[0] = 0;				/* chip select number */
+	val[1] = 0;				/* always 0 */
+	val[2] = gd->bd->bi_flashstart;
+	val[3] = gd->bd->bi_flashsize;
+	rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
+				  val, sizeof(val), 1);
+	if (rc)
+		printf("Unable to update property NOR mapping, err=%s\n",
+		       fdt_strerror(rc));
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */

include/configs/katmai.h

@@ -193,8 +193,14 @@
 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
 	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
 		"bootm\0"						\
-	"rootpath=/opt/eldk/ppc_4xx\0"				\
+	"net_nfs_fdt=tftp 200000 ${bootfile};"				\
+		"tftp ${fdt_addr} ${fdt_file};"				\
+		"run nfsargs addip addtty;"				\
+		"bootm 200000 - ${fdt_addr}\0"				\
+	"rootpath=/opt/eldk/ppc_4xx\0"					\
 	"bootfile=katmai/uImage\0"					\
+	"fdt_file=katmai/katmai.dtb\0"					\
+	"fdt_addr=400000\0"						\
 	"kernel_addr=fff10000\0"					\
 	"ramdisk_addr=fff20000\0"					\
 	"initrd_high=30000000\0"					\
@@ -445,4 +451,8 @@
 #define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
 #endif
 
+/* pass open firmware flat tree */
+#define CONFIG_OF_LIBFDT	1
+#define CONFIG_OF_BOARD_SETUP	1
+
 #endif	/* __CONFIG_H */