powerpc/405ex: support cuImage via included dtb
authorTiejun Chen <tiejun.chen@windriver.com>
Sat, 22 Aug 2009 16:03:44 +0000 (16:03 +0000)
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>
Mon, 31 Aug 2009 13:23:22 +0000 (09:23 -0400)
To support cuImage, we need to initialize the required sections and
ensure that it is built.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
arch/powerpc/boot/Makefile
arch/powerpc/boot/cuboot-kilauea.c [new file with mode: 0644]

index 5a109a9..7bfc8ad 100644 (file)
@@ -76,7 +76,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
                cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
                cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
                virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
-               cuboot-acadia.c cuboot-amigaone.c
+               cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
diff --git a/arch/powerpc/boot/cuboot-kilauea.c b/arch/powerpc/boot/cuboot-kilauea.c
new file mode 100644 (file)
index 0000000..80cdad6
--- /dev/null
@@ -0,0 +1,49 @@
+/*
+ * Old U-boot compatibility for PPC405EX. This image is already included
+ * a dtb.
+ *
+ * Author: Tiejun Chen <tiejun.chen@windriver.com>
+ *
+ * Copyright (C) 2009 Wind River Systems, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "io.h"
+#include "dcr.h"
+#include "stdio.h"
+#include "4xx.h"
+#include "44x.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#include "ppcboot.h"
+
+#define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
+
+static bd_t bd;
+
+static void kilauea_fixups(void)
+{
+       unsigned long sysclk = 33333333;
+
+       ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
+       dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+       ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+       dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+       dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+               unsigned long r6, unsigned long r7)
+{
+       CUBOOT_INIT();
+       platform_ops.fixups = kilauea_fixups;
+       platform_ops.exit = ibm40x_dbcr_reset;
+       fdt_init(_dtb_start);
+       serial_console_init();
+}