From c5b20d3926dfc9616265b8ff5967cb7a476f9344 Mon Sep 17 00:00:00 2001 From: Tiejun Chen Date: Sat, 22 Aug 2009 16:03:44 +0000 Subject: [PATCH] powerpc/405ex: support cuImage via included dtb To support cuImage, we need to initialize the required sections and ensure that it is built. Signed-off-by: Tiejun Chen Signed-off-by: Josh Boyer --- arch/powerpc/boot/Makefile | 2 +- arch/powerpc/boot/cuboot-kilauea.c | 49 ++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/boot/cuboot-kilauea.c diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 5a109a93753a..7bfc8ad87798 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -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 index 000000000000..80cdad6bbc3f --- /dev/null +++ b/arch/powerpc/boot/cuboot-kilauea.c @@ -0,0 +1,49 @@ +/* + * Old U-boot compatibility for PPC405EX. This image is already included + * a dtb. + * + * Author: Tiejun Chen + * + * 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(); +}