[U-Boot] [PATCH 03/17] powerpc/82xx: make set/get_pin for km82xx more flexible

[Heiko Schocher <hs@denx.de>]

Hello Valentin,

Am 13.11.2015 um 15:59 schrieb Valentin Longchamp:
> From: Holger Brunck <holger.brunck@keymile.com>
>
> The get_pin and set_pin funciton was only used for pins on Port D and
> therefore the value was hard coded in the function. Enhance this with a
> parameter, that we are able to use this functions for other ports too.
>
> Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
> Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
> ---
>
>   board/keymile/km82xx/km82xx.c | 24 ++++++++++++------------
>   1 file changed, 12 insertions(+), 12 deletions(-)

nitpick ... it would be good to add gpio support for this ...

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

bye,
Heiko
>
> diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c
> index c599b40..03cd10c 100644
> --- a/board/keymile/km82xx/km82xx.c
> +++ b/board/keymile/km82xx/km82xx.c
> @@ -343,7 +343,7 @@ int last_stage_init(void)
>   }
>
>   #ifdef CONFIG_MGCOGE3NE
> -static void set_pin(int state, unsigned long mask);
> +static void set_pin(int state, unsigned long mask, int port);
>
>   /*
>    * For mgcoge3ne boards, the mgcoge3un control is controlled from
> @@ -357,11 +357,11 @@ static void handle_mgcoge3un_reset(void)
>   	if (bobcatreset) {
>   		if (strcmp(bobcatreset, "true") == 0) {
>   			puts("Forcing bobcat reset\n");
> -			set_pin(0, 0x00000004);	/* clear PD29 to reset arm */
> +			set_pin(0, 0x00000004, 3); /* clear PD29 (reset arm) */
>   			udelay(1000);
> -			set_pin(1, 0x00000004);
> +			set_pin(1, 0x00000004, 3);
>   		} else
> -			set_pin(1, 0x00000004);	/* set PD29 to not reset arm */
> +			set_pin(1, 0x00000004, 3); /* don't reset arm */
>   	}
>   }
>   #endif
> @@ -410,9 +410,9 @@ int hush_init_var(void)
>   #define SDA_MASK	0x00010000
>   #define SCL_MASK	0x00020000
>
> -static void set_pin(int state, unsigned long mask)
> +static void set_pin(int state, unsigned long mask, int port)
>   {
> -	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3);
> +	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, port);
>
>   	if (state)
>   		setbits_be32(&iop->pdat, mask);
> @@ -422,9 +422,9 @@ static void set_pin(int state, unsigned long mask)
>   	setbits_be32(&iop->pdir, mask);
>   }
>
> -static int get_pin(unsigned long mask)
> +static int get_pin(unsigned long mask, int port)
>   {
> -	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3);
> +	ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, port);
>
>   	clrbits_be32(&iop->pdir, mask);
>   	return 0 != (in_be32(&iop->pdat) & mask);
> @@ -432,22 +432,22 @@ static int get_pin(unsigned long mask)
>
>   void set_sda(int state)
>   {
> -	set_pin(state, SDA_MASK);
> +	set_pin(state, SDA_MASK, 3);
>   }
>
>   void set_scl(int state)
>   {
> -	set_pin(state, SCL_MASK);
> +	set_pin(state, SCL_MASK, 3);
>   }
>
>   int get_sda(void)
>   {
> -	return get_pin(SDA_MASK);
> +	return get_pin(SDA_MASK, 3);
>   }
>
>   int get_scl(void)
>   {
> -	return get_pin(SCL_MASK);
> +	return get_pin(SCL_MASK, 3);
>   }
>
>   #if defined(CONFIG_HARD_I2C)
>

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