[U-Boot] [PATCH] mx28evk: add NAND support

[Marek Vasut <marex@denx.de>]

Dear Lauri Hintsala,

> NAND support is not enabled by default because Eval Kit is not delivered
> with NAND chip. To enable NAND support add CONFIG_CMD_NAND to board config.
> 
> Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>

Acked-by: Marek Vasut <marex@denx.de>

I think we can schedule it for .04 release as this is basically a fix? Fabio ?

> ---
>  board/freescale/mx28evk/iomux.c |   21 +++++++++++++++++++++
>  include/configs/mx28evk.h       |   10 ++++++++++
>  2 files changed, 31 insertions(+), 0 deletions(-)
> 
> diff --git a/board/freescale/mx28evk/iomux.c
> b/board/freescale/mx28evk/iomux.c index 396761b..6587c45 100644
> --- a/board/freescale/mx28evk/iomux.c
> +++ b/board/freescale/mx28evk/iomux.c
> @@ -26,6 +26,7 @@
>  #include <asm/arch/sys_proto.h>
> 
>  #define	MUX_CONFIG_SSP0	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
> +#define	MUX_CONFIG_GPMI	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
>  #define	MUX_CONFIG_ENET	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
>  #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
>  #define	MUX_CONFIG_SSP2	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
> @@ -55,6 +56,26 @@ const iomux_cfg_t iomux_setup[] = {
>  	MX28_PAD_PWM3__GPIO_3_28 |
>  		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
> 
> +#ifdef CONFIG_NAND_MXS
> +	/* GPMI NAND */
> +	MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_RDN__GPMI_RDN |
> +		(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
> +	MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
> +	MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
> +#endif
> +
>  	/* FEC0 */
>  	MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
>  	MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
> diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
> index 02f3366..2a44baa 100644
> --- a/include/configs/mx28evk.h
> +++ b/include/configs/mx28evk.h
> @@ -148,6 +148,16 @@
>  #endif
> 
>  /*
> + * NAND Driver
> + */
> +#ifdef CONFIG_CMD_NAND
> +#define CONFIG_NAND_MXS
> +#define CONFIG_SYS_MAX_NAND_DEVICE	1
> +#define CONFIG_SYS_NAND_BASE		0x60000000
> +#define CONFIG_SYS_NAND_5_ADDR_CYCLE
> +#endif
> +
> +/*
>   * Ethernet on SOC (FEC)
>   */
>  #ifdef	CONFIG_CMD_NET

Best regards,
Marek Vasut