[PATCH 4/9] mvebu: ddr: Rename CONFIG_DDR_FIXED_SIZE to CONFIG_SYS_SDRAM_SIZE

Stefan Roese sr at denx.de
Tue Aug 31 07:51:29 CEST 2021


Hi Tom,

On 21.08.21 19:50, Tom Rini wrote:
> We have a number of CONFIG symbols to express the fixed size of system
> memory.  For now, rename CONFIG_DDR_FIXED_SIZE to CONFIG_SYS_SDRAM_SIZE
> and adjust usage to match that CONFIG_SYS_SDRAM_SIZE expects the entire
> size rather than MiB.
> 
> Cc: Marek Behún <marek.behun at nic.cz>
> Cc: Stefan Roese <sr at denx.de>
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
>   drivers/ddr/marvell/axp/ddr3_axp.h | 4 ++--
>   include/configs/maxbcm.h           | 4 +++-
>   include/configs/theadorable.h      | 4 +++-
>   3 files changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/ddr/marvell/axp/ddr3_axp.h b/drivers/ddr/marvell/axp/ddr3_axp.h
> index 270691e9bcd3..970651f87029 100644
> --- a/drivers/ddr/marvell/axp/ddr3_axp.h
> +++ b/drivers/ddr/marvell/axp/ddr3_axp.h
> @@ -19,10 +19,10 @@
>   #define FAR_END_DIMM_ADDR		0x50
>   #define MAX_DIMM_ADDR			0x60
>   
> -#ifndef CONFIG_DDR_FIXED_SIZE
> +#ifndef CONFIG_SYS_SDRAM_SIZE
>   #define SDRAM_CS_SIZE			0xFFFFFFF
>   #else
> -#define SDRAM_CS_SIZE			(CONFIG_DDR_FIXED_SIZE - 1)
> +#define SDRAM_CS_SIZE			((CONFIG_SYS_SDRAM_SIZE >> 10) - 1)

Why are you using ">> 10" (dividing by 1024) here?

Thanks,
Stefan

>   #endif
>   #define SDRAM_CS_BASE			0x0
>   #define SDRAM_DIMM_SIZE			0x80000000
> diff --git a/include/configs/maxbcm.h b/include/configs/maxbcm.h
> index fc2393204bec..5098f12f5425 100644
> --- a/include/configs/maxbcm.h
> +++ b/include/configs/maxbcm.h
> @@ -6,6 +6,8 @@
>   #ifndef _CONFIG_DB_MV7846MP_GP_H
>   #define _CONFIG_DB_MV7846MP_GP_H
>   
> +#include <linux/sizes.h>
> +
>   /*
>    * High Level Configuration Options (easy to change)
>    */
> @@ -65,7 +67,7 @@
>   /* SPL related SPI defines */
>   
>   /* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */
> -#define CONFIG_DDR_FIXED_SIZE		(1 << 20)	/* 1GiB */
> +#define CONFIG_SYS_SDRAM_SIZE		SZ_1G
>   #define CONFIG_BOARD_ECC_SUPPORT	/* this board supports ECC */
>   
>   #endif /* _CONFIG_DB_MV7846MP_GP_H */
> diff --git a/include/configs/theadorable.h b/include/configs/theadorable.h
> index 760713d3ef87..abc48ff44ca5 100644
> --- a/include/configs/theadorable.h
> +++ b/include/configs/theadorable.h
> @@ -6,6 +6,8 @@
>   #ifndef _CONFIG_THEADORABLE_H
>   #define _CONFIG_THEADORABLE_H
>   
> +#include <linux/sizes.h>
> +
>   /*
>    * High Level Configuration Options (easy to change)
>    */
> @@ -93,6 +95,6 @@
>   #define CONFIG_SPL_BOOTROM_SAVE		(CONFIG_SPL_STACK + 4)
>   
>   /* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */
> -#define CONFIG_DDR_FIXED_SIZE		(2 << 20)	/* 2GiB */
> +#define CONFIG_SYS_SDRAM_SIZE		SZ_2G
>   
>   #endif /* _CONFIG_THEADORABLE_H */
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de


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