[PATCH] Add Reset Support for omap3.

[Sascha Hauer]

Hi Jürgen,

Applied the first three patches to -next, the fourth to master.

Sascha

On Fri, Sep 09, 2011 at 02:10:53PM +0200, Juergen Kilb wrote:
> Inspired from reset_cpu in omap4_generic.c.
> 
> Signed-off-by: Juergen Kilb <j.kilb at phytec.de>
> ---
>  arch/arm/mach-omap/include/mach/omap3-silicon.h |    3 +++
>  arch/arm/mach-omap/omap3_generic.c              |    5 +++--
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-omap/include/mach/omap3-silicon.h b/arch/arm/mach-omap/include/mach/omap3-silicon.h
> index 0e6a45f..67f7747 100644
> --- a/arch/arm/mach-omap/include/mach/omap3-silicon.h
> +++ b/arch/arm/mach-omap/include/mach/omap3-silicon.h
> @@ -132,5 +132,8 @@
>  #define OMAP_SDRC_CS0		0x80000000
>  #define OMAP_SDRC_CS1		0xA0000000
>  
> +/* PRM */
> +#define PRM_RSTCTRL_RESET       0x04
> +
>  #endif /* __ASM_ARCH_OMAP3_H */
>  
> diff --git a/arch/arm/mach-omap/omap3_generic.c b/arch/arm/mach-omap/omap3_generic.c
> index 661a971..9627a6b 100644
> --- a/arch/arm/mach-omap/omap3_generic.c
> +++ b/arch/arm/mach-omap/omap3_generic.c
> @@ -59,8 +59,9 @@
>   */
>  void __noreturn reset_cpu(unsigned long addr)
>  {
> -	/* FIXME: Enable WDT and cause reset */
> -	hang();
> +	writel(PRM_RSTCTRL_RESET, PRM_REG(RSTCTRL));
> +
> +	while (1);
>  }
>  EXPORT_SYMBOL(reset_cpu);
>  
> -- 
> 1.7.0.4
> 
> 
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