[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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