Re: [PATCH v2] ARM: i.MX6: Specify OCRAM base address and size

[Sascha Hauer <sha@pengutronix.de>]

On Fri, Jan 27, 2023 at 06:02:58AM +1100, John Watts wrote:
> The i.MX6 includes some on-chip RAM: 128KiB on most variants, with 256KiB on
> the Dual and Quad variants.
> 
> This region is where the first stage of Barebox gets loaded if RAM
> initialization isn't hard coded using DCD information.
> 
> Add the base address and size so it can be used to calculate where to put the
> stack at boot.
> 
> Signed-off-by: John Watts <contact@jookia.org>
> ---
> Changes v1 -> v2:
> - Fixed wrong size (thanks Marco!)
> ---
>  arch/arm/mach-imx/include/mach/imx6-regs.h | 6 ++++++
>  1 file changed, 6 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/mach-imx/include/mach/imx6-regs.h b/arch/arm/mach-imx/include/mach/imx6-regs.h
> index 39e2751533..89a3b267c6 100644
> --- a/arch/arm/mach-imx/include/mach/imx6-regs.h
> +++ b/arch/arm/mach-imx/include/mach/imx6-regs.h
> @@ -3,6 +3,12 @@
>  #ifndef __MACH_IMX6_REGS_H
>  #define __MACH_IMX6_REGS_H
>  
> +#include <linux/sizes.h>
> +
> +/* Set MAX_SIZE to 128K, only the Quad and Dual have 256K */
> +#define MX6_OCRAM_BASE_ADDR		0x00900000
> +#define MX6_OCRAM_MAX_SIZE		SZ_128K
> +
>  #define MX6_APBH_BASE_ADDR		0x00110000
>  #define MX6_GPMI_BASE_ADDR		0x00112000
>  #define MX6_BCH_BASE_ADDR		0x00114000
> -- 
> 2.39.1
> 
> 
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |