[PATCH 1/2] ARM: i.MX27: Add platform support for IRAM.

[Sascha Hauer]

On Mon, Nov 05, 2012 at 04:59:44PM +0100, Javier Martin wrote:
> Add support for IRAM to i.MX27 non-DT platforms using
> iram_init() function.
> 
> Signed-off-by: Javier Martin <javier.martin at vista-silicon.com>
> ---
>  arch/arm/mach-imx/mm-imx27.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c
> index e7e24af..fd2416d 100644
> --- a/arch/arm/mach-imx/mm-imx27.c
> +++ b/arch/arm/mach-imx/mm-imx27.c
> @@ -27,6 +27,7 @@
>  #include <asm/pgtable.h>
>  #include <asm/mach/map.h>
>  #include <mach/iomux-v1.h>
> +#include <mach/iram.h>
>  
>  /* MX27 memory map definition */
>  static struct map_desc imx27_io_desc[] __initdata = {
> @@ -94,4 +95,6 @@ void __init imx27_soc_init(void)
>  	/* imx27 has the imx21 type audmux */
>  	platform_device_register_simple("imx21-audmux", 0, imx27_audmux_res,
>  					ARRAY_SIZE(imx27_audmux_res));
> +	/* imx27 has an iram of 46080 bytes size */
> +	iram_init(MX27_IRAM_BASE_ADDR, 46080);

For this rather Philipps sram allocater patches should be used. This
would also solve the problem that mach/iram.h cannot be accessed anymore
in current -next. Fabio already sent a patch addressing this, but I
think we should go for a proper fix rather than just moving iram.h
to include/linux/

Sascha

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