[U-Boot] [PATCH 3/5] [PATCH 3/5] Add nand_spl support for the apf27

Scott Wood scottwood at freescale.com
Fri Jun 29 00:18:31 CEST 2012


On 06/28/2012 03:36 PM, Philippe Reynes wrote:
> Signed-off-by: Philippe Reynes <tremyfr at yahoo.fr>
> Signed-off-by: Eric Jarrige <eric.jarrige at armadeus.org>
> ---
>  nand_spl/board/armadeus/apf27/Makefile   |   79 +++++
>  nand_spl/board/armadeus/apf27/config.mk  |   45 +++
>  nand_spl/board/armadeus/apf27/start.S    |  548 ++++++++++++++++++++++++++++++
>  nand_spl/board/armadeus/apf27/u-boot.lds |   39 +++
>  4 files changed, 711 insertions(+), 0 deletions(-)
>  create mode 100644 nand_spl/board/armadeus/apf27/Makefile
>  create mode 100644 nand_spl/board/armadeus/apf27/config.mk
>  create mode 100644 nand_spl/board/armadeus/apf27/start.S
>  create mode 100644 nand_spl/board/armadeus/apf27/u-boot.lds

nand_spl is deprecated -- please use the new spl/ infrastructure.

-Scott

> +/*
> + * Standard NAND flash commands
> + */
> +#define NAND_CMD_READ0		0
> +#define NAND_CMD_READ1		1
> +#define NAND_CMD_PAGEPROG	0x10
> +#define NAND_CMD_READOOB	0x50
> +#define NAND_CMD_ERASE1		0x60
> +#define NAND_CMD_STATUS		0x70
> +#define NAND_CMD_STATUS_MULTI	0x71
> +#define NAND_CMD_SEQIN		0x80
> +#define NAND_CMD_READID		0x90
> +#define NAND_CMD_ERASE2		0xd0
> +#define NAND_CMD_RESET		0xff
> +
> +/* Extended commands for large page devices */
> +#define NAND_CMD_READSTART	0x30
> +#define NAND_CMD_CACHEDPROG	0x15
> +
> +/* Status bits */
> +#define NAND_STATUS_FAIL	0x01
> +#define NAND_STATUS_FAIL_N1	0x02
> +#define NAND_STATUS_TRUE_READY	0x20
> +#define NAND_STATUS_READY	0x40
> +#define NAND_STATUS_WP		0x80

Why do you need to redefine this stuff?

-Scott



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