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authorScott Wood <scottwood@freescale.com>2007-08-21 03:40:01 +1000
committerPaul Mackerras <paulus@samba.org>2007-08-22 15:28:59 +1000
commit0b195812dfbccc2ac33e17b35b899dd4fea7611f (patch)
treea5094b84b12a10e7b7e094421f77bbd0daf44889 /arch
parent2f1d4899321be87bc5f0c4ee0e62c9d9ced05f80 (diff)
[POWERPC] bootwrapper: Add 8xx cuboot support
This allows booting on legacy, non-device-tree aware versions of U-boot. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/Makefile3
-rw-r--r--arch/powerpc/boot/cuboot-8xx.c45
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype1
3 files changed, 48 insertions, 1 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 075f961db12..6b9af78b67d 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -48,7 +48,7 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
cpm-serial.c
src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \
cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
- ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c
+ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -140,6 +140,7 @@ image-$(CONFIG_PPC_ISERIES) += zImage.iseries
image-$(CONFIG_DEFAULT_UIMAGE) += uImage
ifneq ($(CONFIG_DEVICE_TREE),"")
+image-$(CONFIG_PPC_8xx) += cuImage.8xx
image-$(CONFIG_PPC_83xx) += cuImage.83xx
image-$(CONFIG_PPC_85xx) += cuImage.85xx
image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c
new file mode 100644
index 00000000000..88ed84015a8
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-8xx.c
@@ -0,0 +1,45 @@
+/*
+ * Old U-boot compatibility for 8xx
+ *
+ * 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"
+#include "cuboot.h"
+
+#define TARGET_8xx
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void platform_fixups(void)
+{
+ void *node;
+
+ dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+ dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+ dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
+
+ node = finddevice("/soc/cpm");
+ if (node) {
+ setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
+ setprop(node, "fsl,brg-frequency", &bd.bi_busfreq, 4);
+ }
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ CUBOOT_INIT();
+ ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
+ serial_console_init();
+ platform_ops.fixups = platform_fixups;
+}
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 643bee223ec..86eb4cf31f0 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -36,6 +36,7 @@ config PPC_8xx
bool "Freescale 8xx"
select FSL_SOC
select 8xx
+ select WANT_DEVICE_TREE
config 40x
bool "AMCC 40x"