[U-Boot] [PATCH 2/2] powerpc/85xx: standardize display of address map size (32-bit vs. 36-bit)
Kumar Gala
kumar.gala at freescale.com
Thu Sep 1 16:07:53 CEST 2011
On Aug 31, 2011, at 5:15 PM, Timur Tabi wrote:
> Most 85xx boards can be built as a 32-bit or a 36-bit. Current code sometimes
> displays which of these is actually built, but it's inconsistent. This is
> especially problematic since the "default" build for a given 85xx board can
> be either one, so if you don't see a message, you can't always know which
> size is being used. Not only that, but each board includes code that displays
> the message, so there is duplication.
>
> So if a given SOC can support 36-bit addresses, display one of these two
> messages during boot:
>
> ADDR: 32-bit address map
>
> or
>
> ADDR: 36-bit address map
>
> Also delete the board-specific code that does this.
>
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
> arch/powerpc/cpu/mpc85xx/cpu_init.c | 12 ++++++++++++
> board/freescale/corenet_ds/corenet_ds.c | 4 ----
> board/freescale/mpc8536ds/mpc8536ds.c | 7 +------
> board/freescale/mpc8572ds/mpc8572ds.c | 6 +-----
> board/freescale/p1010rdb/p1010rdb.c | 6 +-----
> board/freescale/p1022ds/p1022ds.c | 8 ++------
> board/freescale/p1_p2_rdb/p1_p2_rdb.c | 4 +---
> board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c | 8 +-------
> board/freescale/p2020ds/p2020ds.c | 8 ++------
> board/freescale/p2041rdb/p2041rdb.c | 4 ----
> 10 files changed, 21 insertions(+), 46 deletions(-)
>
> diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
> index 27f836c..d691726 100644
> --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
> +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
> @@ -302,6 +302,18 @@ int cpu_init_r(void)
> sync();
> #endif
>
> + /*
> + * If we support 36-bit addressing, then display whether this is a
> + * 32-bit build or a 36-bit build.
> + */
> +#ifdef CONFIG_ENABLE_36BIT_PHYS
> +#ifdef CONFIG_PHYS_64BIT
#if defined(A) && defined(B)
> + puts("ADDR: 36-bit address map\n");
> +#else
> + puts("ADDR: 32-bit address map\n");
> +#endif
> +#endif
> +
> puts ("L2: ");
>
> #if defined(CONFIG_L2_CACHE)
Wolfgang's being making comments about reducing the boot info we've been outputting so would like his 2 cents on this.
- k
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