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authorScott Wood <scottwood@freescale.com>2007-04-27 03:09:01 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-27 21:14:15 +1000
commit4536b937466ff6784d2a9a4bebde924a0d6e01cb (patch)
tree68159dd12e235253a8d729c2269e3cddeb5bdbe5 /arch
parente4bb688d9f11d7fee927312cc97d443472c7c212 (diff)
downloadop-kernel-dev-4536b937466ff6784d2a9a4bebde924a0d6e01cb.zip
op-kernel-dev-4536b937466ff6784d2a9a4bebde924a0d6e01cb.tar.gz
[POWERPC] bootwrapper: cuImage for 85xx
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/boot/Makefile3
-rw-r--r--arch/powerpc/boot/cuboot-85xx.c69
3 files changed, 72 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9b9c00e..a54a9a2e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -169,6 +169,7 @@ config PPC_85xx
select E500
select FSL_SOC
select 85xx
+ select WANT_DEVICE_TREE
config PPC_86xx
bool "Freescale 86xx"
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 1269b49..9d7b877 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -43,7 +43,7 @@ $(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \
src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
ns16550.c serial.c simple_alloc.c div64.S util.S \
gunzip_util.c elf_util.c $(zlib) devtree.c
-src-plat := of.c cuboot-83xx.c
+src-plat := of.c cuboot-83xx.c cuboot-85xx.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -163,6 +163,7 @@ $(obj)/uImage: vmlinux $(wrapperbits)
$(call if_changed,wrap,uboot)
cuboot-plat-$(CONFIG_83xx) += 83xx
+cuboot-plat-$(CONFIG_85xx) += 85xx
cuboot-plat-y += unknown-platform
dts = $(if $(shell echo $(CONFIG_) | grep '^/'),\
diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c
new file mode 100644
index 0000000..f88ba00
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-85xx.c
@@ -0,0 +1,69 @@
+/*
+ * Old U-boot compatibility for 85xx
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, 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 "stdio.h"
+
+#define TARGET_85xx
+#include "ppcboot.h"
+
+static bd_t bd;
+extern char _end[];
+extern char _dtb_start[], _dtb_end[];
+
+static void platform_fixups(void)
+{
+ void *soc;
+
+ dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+ dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr,
+ bd.bi_enet2addr);
+ dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
+
+ /* Unfortunately, the specific model number is encoded in the
+ * soc node name in existing dts files -- once that is fixed,
+ * this can do a simple path lookup.
+ */
+ soc = find_node_by_devtype(NULL, "soc");
+ if (soc) {
+ void *serial = NULL;
+
+ setprop(soc, "bus-frequency", &bd.bi_busfreq,
+ sizeof(bd.bi_busfreq));
+
+ while ((serial = find_node_by_devtype(serial, "serial"))) {
+ if (get_parent(serial) != soc)
+ continue;
+
+ setprop(serial, "clock-frequency", &bd.bi_busfreq,
+ sizeof(bd.bi_busfreq));
+ }
+ }
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize;
+ unsigned long avail_ram = end_of_ram - (unsigned long)_end;
+
+ memcpy(&bd, (bd_t *)r3, sizeof(bd));
+ loader_info.initrd_addr = r4;
+ loader_info.initrd_size = r4 ? r5 : 0;
+ loader_info.cmdline = (char *)r6;
+ loader_info.cmdline_len = r7 - r6;
+
+ simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
+ ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+ serial_console_init();
+ platform_ops.fixups = platform_fixups;
+}
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