[PATCH] MTD: OneNAND: Add support for OneNAND manufactured by Numonyx

[Kyungmin Park]

Hi,

Good I heard the Numonyx also make a OneNAND chips.

Acked-by: Kyungmin Park <kyungmin.park at samsung.com>

On Tue, May 5, 2009 at 5:27 PM, Adrian Hunter <adrian.hunter at nokia.com> wrote:
> From e400da3456896505edbf7c39a14668c2c718ace4 Mon Sep 17 00:00:00 2001
> From: Adrian Hunter <adrian.hunter at nokia.com>
> Date: Tue, 5 May 2009 11:04:19 +0300
> Subject: [PATCH] MTD: OneNAND: Add support for OneNAND manufactured by
> Numonyx
>
> In addition to adding the Numonyx manufacturer code, this patch
> also ensures 'sync. write' is disabled when reading identification
> data - something that the Numonyx chip objects to, but the
> Samsung chip seems to ignore.
>
> Signed-off-by: Adrian Hunter <adrian.hunter at nokia.com>
> ---
> drivers/mtd/onenand/onenand_base.c |    3 ++-
> include/linux/mtd/onenand.h        |    1 +
> 2 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mtd/onenand/onenand_base.c
> b/drivers/mtd/onenand/onenand_base.c
> index 524af9a..f6cfadb 100644
> --- a/drivers/mtd/onenand/onenand_base.c
> +++ b/drivers/mtd/onenand/onenand_base.c
> @@ -2576,6 +2576,7 @@ static void onenand_print_device_info(int device, int
> version)
>
> static const struct onenand_manufacturers onenand_manuf_ids[] = {
>        {ONENAND_MFR_SAMSUNG, "Samsung"},
> +       {ONENAND_MFR_NUMONYX, "Numonyx"},
> };
>
> /**
> @@ -2621,7 +2622,7 @@ static int onenand_probe(struct mtd_info *mtd)
>        /* Save system configuration 1 */
>        syscfg = this->read_word(this->base + ONENAND_REG_SYS_CFG1);
>        /* Clear Sync. Burst Read mode to read BootRAM */
> -       this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ), this->base
> + ONENAND_REG_SYS_CFG1);
> +       this->write_word((syscfg & ~ONENAND_SYS_CFG1_SYNC_READ &
> ~ONENAND_SYS_CFG1_SYNC_WRITE), this->base + ONENAND_REG_SYS_CFG1);
>
>        /* Send the command for reading device ID from BootRAM */
>        this->write_word(ONENAND_CMD_READID, this->base + ONENAND_BOOTRAM);
> diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
> index 9aa2a91..0fa3ac4 100644
> --- a/include/linux/mtd/onenand.h
> +++ b/include/linux/mtd/onenand.h
> @@ -176,6 +176,7 @@ struct onenand_chip {
>  * OneNAND Flash Manufacturer ID Codes
>  */
> #define ONENAND_MFR_SAMSUNG     0xec
> +#define ONENAND_MFR_NUMONYX    0x20
>
> /**
>  * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure
> --
> 1.5.6.3
>