[U-Boot] [PATCH 01/17] powerpc/83xx/km: add support for kmvect1 p1a hw version

[Heiko Schocher <hs@denx.de>]

Hello Valentin,

Am 13.11.2015 um 15:59 schrieb Valentin Longchamp:
> From: Holger Brunck <holger.brunck@keymile.com>
>
> This first boards have the simple switch connected to a PRST line of the
> PRIO3. This is not allowed because it releases the PRIO3 watchdog in
> u-boot which causes problems with the bootloader application. This is
> fixed in the newer HW releases. To be able to deal with these old
> versions we add temporary a further target kmvect1_p1a.
>
> Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
> Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
> ---
>
>   board/keymile/km83xx/MAINTAINERS | 1 +
>   board/keymile/km83xx/km83xx.c    | 8 ++++++++
>   configs/kmvect1_p1a_defconfig    | 4 ++++
>   3 files changed, 13 insertions(+)
>   create mode 100644 configs/kmvect1_p1a_defconfig

Reviewed-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> diff --git a/board/keymile/km83xx/MAINTAINERS b/board/keymile/km83xx/MAINTAINERS
> index cee7e08..51367b6 100644
> --- a/board/keymile/km83xx/MAINTAINERS
> +++ b/board/keymile/km83xx/MAINTAINERS
> @@ -9,6 +9,7 @@ F:	include/configs/tuxx1.h
>   F:	configs/kmopti2_defconfig
>   F:	include/configs/suvd3.h
>   F:	configs/kmvect1_defconfig
> +F:	configs/kmvect1_p1a_defconfig
>   F:	configs/suvd3_defconfig
>   F:	configs/tuge1_defconfig
>   F:	configs/tuxx1_defconfig
> diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c
> index 89e9e1e..4ebcdbd 100644
> --- a/board/keymile/km83xx/km83xx.c
> +++ b/board/keymile/km83xx/km83xx.c
> @@ -241,6 +241,13 @@ int last_stage_init(void)
>   #if defined(CONFIG_KMVECT1)
>   	struct km_bec_fpga __iomem *base =
>   		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
> +#if defined(CONFIG_HWVERSION_P1A)
> +	/* Release mv88e6352 from reset */
> +	u8 prst_reg;
> +
> +	prst_reg = in_8(&base->prst) | 0x80;
> +	out_8(&base->prst, prst_reg);
> +#else
>   	u8 tmp_reg;
>
>   	/* Release mv88e6122 from reset */
> @@ -248,6 +255,7 @@ int last_stage_init(void)
>   	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
>   	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
>   	out_8(&base->gprt3, tmp_reg);
> +#endif
>
>   	/* configure MV88E6122 switch */
>   	char *name = "UEC2";
> diff --git a/configs/kmvect1_p1a_defconfig b/configs/kmvect1_p1a_defconfig
> new file mode 100644
> index 0000000..cdf50d5
> --- /dev/null
> +++ b/configs/kmvect1_p1a_defconfig
> @@ -0,0 +1,4 @@
> +CONFIG_SYS_EXTRA_OPTIONS="KMVECT1,HWVERSION_P1A"
> +CONFIG_PPC=y
> +CONFIG_MPC83xx=y
> +CONFIG_TARGET_SUVD3=y
>

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