[PATCH 1/5] ARM: initial support for RC Module UEMD SoCs

[Sascha Hauer]

On Wed, Apr 16, 2014 at 01:57:36PM +0400, Antony Pavlov wrote:
> This commit adds minimal support for the UEMD SoCs
> from RC Module (http://www.module.ru).
> 
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> diff --git a/arch/arm/mach-uemd/reset.c b/arch/arm/mach-uemd/reset.c
> new file mode 100644
> index 0000000..df23e47
> --- /dev/null
> +++ b/arch/arm/mach-uemd/reset.c
> @@ -0,0 +1,24 @@
> +/*
> + * Copyright (C) 2014 Antony Pavlov <antonynpavlov at gmail.com>
> + *
> + * This file is part of barebox.
> + * See file CREDITS for list of people who contributed to this project.
> + *
> + * 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.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#include <common.h>
> +
> +void __noreturn reset_cpu(ulong addr)
> +{
> +	unreachable();

unreachable is for marking positions in the code which are unreachable
but the compiler does not know it. reset_cpu() *is* reachable, so
unreachable is wrong here. How about just calling hang() here?

Sascha

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