Re: [v2 PATCH 2/2] powerpc/405ex: support cuImage via included dtb

["tiejun.chen" <tiejun.chen@windriver.com>]

This subject should be [v1 PATCH 2/2] ...

Best Regards
Tiejun

Tiejun Chen wrote:
> 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>
> ---
>  arch/powerpc/boot/Makefile         |    2 +-
>  arch/powerpc/boot/cuboot-kilauea.c |   49 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 50 insertions(+), 1 deletions(-)
>  create mode 100644 arch/powerpc/boot/cuboot-kilauea.c
> 
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 9ae7b7e..3e11611 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -75,7 +75,7 @@ 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 0000000..b333346
> --- /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 <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();
> +}