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| author | Scott Wood <scottwood@freescale.com> | 2007-08-21 03:40:01 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-08-22 15:28:59 +1000 |
| commit | 0b195812dfbccc2ac33e17b35b899dd4fea7611f (patch) | |
| tree | a5094b84b12a10e7b7e094421f77bbd0daf44889 /arch | |
| parent | 2f1d4899321be87bc5f0c4ee0e62c9d9ced05f80 (diff) | |
| download | blackbird-obmc-linux-0b195812dfbccc2ac33e17b35b899dd4fea7611f.tar.gz blackbird-obmc-linux-0b195812dfbccc2ac33e17b35b899dd4fea7611f.zip | |
[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/Makefile | 3 | ||||
| -rw-r--r-- | arch/powerpc/boot/cuboot-8xx.c | 45 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 1 |
3 files changed, 48 insertions, 1 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 075f961db12f..6b9af78b67d4 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 000000000000..88ed84015a8b --- /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 643bee223ec5..86eb4cf31f0b 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" |
