Subject: [PATCH V2 1/5] ARM: OMAP3EVM: Add NAND flash definition

From: [email-masked] (Igor Grinberg)
Date: Wed, 13 Jun 2012 10:57:55 +0300

On 06/13/12 04:44, Zumeng Chen wrote:
> From: Zumeng Chen <[email-masked]>
> 
> Signed-off-by: Vaibhav Hiremath <[email-masked]>
> Tested-by: Zumeng Chen <[email-masked]>
> ---
>  arch/arm/mach-omap2/board-omap3evm.c |   39 ++++++++++++++++++++++++++++++++++
>  1 files changed, 39 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
> index 639bd07..0b83d0e 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -24,6 +24,10 @@
>  #include <linux/leds.h>
>  #include <linux/interrupt.h>
>  
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> +#include <linux/mtd/nand.h>
> +
>  #include <linux/spi/spi.h>
>  #include <linux/spi/ads7846.h>
>  #include <linux/i2c/twl.h>
> @@ -43,6 +47,7 @@
>  
>  #include <plat/board.h>
>  #include <plat/usb.h>
> +#include <plat/nand.h>
>  #include "common.h"
>  #include <plat/mcspi.h>
>  #include <video/omapdss.h>
> @@ -607,6 +612,37 @@ static struct regulator_consumer_supply dummy_supplies[] = {
>  	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
>  };
>  
> +static struct mtd_partition omap3evm_nand_partitions[] = {
> +	/* All the partition sizes are listed in terms of NAND block size */
> +	{
> +		.name           = "X-Loader",
> +		.offset         = 0,
> +		.size           = 4*(SZ_128K),
> +		.mask_flags     = MTD_WRITEABLE
> +	},
> +	{
> +		.name           = "U-Boot",
> +		.offset         = MTDPART_OFS_APPEND,
> +		.size           = 14*(SZ_128K),
> +		.mask_flags     = MTD_WRITEABLE
> +	},
> +	{
> +		.name           = "U-Boot Env",
> +		.offset         = MTDPART_OFS_APPEND,
> +		.size           = 2*(SZ_128K)
> +	},
> +	{
> +		.name           = "Kernel",
> +		.offset         = MTDPART_OFS_APPEND,
> +		.size           = 40*(SZ_128K)
> +	},
> +	{
> +		.name           = "File system",
> +		.size           = MTDPART_SIZ_FULL,
> +		.offset         = MTDPART_OFS_APPEND,
> +	},
> +};
> +
>  static void __init omap3_evm_init(void)
>  {
>  	struct omap_board_mux *obm;
> @@ -656,6 +692,9 @@ static void __init omap3_evm_init(void)
>  	}
>  	usb_musb_init(&musb_board_data);
>  	usbhs_init(&usbhs_bdata);
> +	omap_nand_flash_init(NAND_BUSWIDTH_16, omap3evm_nand_partitions,
> +			     ARRAY_SIZE(omap3evm_nand_partitions));
> +

I think, this will interfere with Afzal's patches [1]?

>  	omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
>  	omap3evm_init_smsc911x();
>  	omap3_evm_display_init();

[1] http://www.spinics.net/lists/arm-kernel/msg178664.html

-- 
Regards,
Igor.