[PATCH Resend 3/3] mtd: s3c2410: Merge plat/regs-nand.h into s3c2410.c

Sachin Kamat sachin.kamat at linaro.org
Wed Jan 15 01:07:56 EST 2014


On 10 January 2014 11:24, Sachin Kamat <sachin.kamat at linaro.org> wrote:
> plat/regs-nand.h is used only by S3C2410 nand driver. Since there
> are no other users, merge this file into the driver code to remove
> platform dependency. While at it also remove unused macros.
>
> Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
> Cc: Kukjin Kim <kgene.kim at samsung.com>
> ---
>  arch/arm/plat-samsung/include/plat/regs-nand.h |  123 ------------------------
>  drivers/mtd/nand/s3c2410.c                     |   36 ++++++-
>  2 files changed, 35 insertions(+), 124 deletions(-)
>  delete mode 100644 arch/arm/plat-samsung/include/plat/regs-nand.h
>
> diff --git a/arch/arm/plat-samsung/include/plat/regs-nand.h b/arch/arm/plat-samsung/include/plat/regs-nand.h
> deleted file mode 100644
> index 238efea7b9e4..000000000000
> --- a/arch/arm/plat-samsung/include/plat/regs-nand.h
> +++ /dev/null
> @@ -1,123 +0,0 @@
> -/* arch/arm/mach-s3c2410/include/mach/regs-nand.h
> - *
> - * Copyright (c) 2004-2005 Simtec Electronics <linux at simtec.co.uk>
> - *     http://www.simtec.co.uk/products/SWLINUX/
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2 as
> - * published by the Free Software Foundation.
> - *
> - * S3C2410 NAND register definitions
> -*/
> -
> -#ifndef __ASM_ARM_REGS_NAND
> -#define __ASM_ARM_REGS_NAND
> -
> -
> -#define S3C2410_NFREG(x) (x)
> -
> -#define S3C2410_NFCONF  S3C2410_NFREG(0x00)
> -#define S3C2410_NFCMD   S3C2410_NFREG(0x04)
> -#define S3C2410_NFADDR  S3C2410_NFREG(0x08)
> -#define S3C2410_NFDATA  S3C2410_NFREG(0x0C)
> -#define S3C2410_NFSTAT  S3C2410_NFREG(0x10)
> -#define S3C2410_NFECC   S3C2410_NFREG(0x14)
> -
> -#define S3C2440_NFCONT   S3C2410_NFREG(0x04)
> -#define S3C2440_NFCMD    S3C2410_NFREG(0x08)
> -#define S3C2440_NFADDR   S3C2410_NFREG(0x0C)
> -#define S3C2440_NFDATA   S3C2410_NFREG(0x10)
> -#define S3C2440_NFECCD0  S3C2410_NFREG(0x14)
> -#define S3C2440_NFECCD1  S3C2410_NFREG(0x18)
> -#define S3C2440_NFECCD   S3C2410_NFREG(0x1C)
> -#define S3C2440_NFSTAT   S3C2410_NFREG(0x20)
> -#define S3C2440_NFESTAT0 S3C2410_NFREG(0x24)
> -#define S3C2440_NFESTAT1 S3C2410_NFREG(0x28)
> -#define S3C2440_NFMECC0  S3C2410_NFREG(0x2C)
> -#define S3C2440_NFMECC1  S3C2410_NFREG(0x30)
> -#define S3C2440_NFSECC   S3C2410_NFREG(0x34)
> -#define S3C2440_NFSBLK   S3C2410_NFREG(0x38)
> -#define S3C2440_NFEBLK   S3C2410_NFREG(0x3C)
> -
> -#define S3C2412_NFSBLK         S3C2410_NFREG(0x20)
> -#define S3C2412_NFEBLK         S3C2410_NFREG(0x24)
> -#define S3C2412_NFSTAT         S3C2410_NFREG(0x28)
> -#define S3C2412_NFMECC_ERR0    S3C2410_NFREG(0x2C)
> -#define S3C2412_NFMECC_ERR1    S3C2410_NFREG(0x30)
> -#define S3C2412_NFMECC0                S3C2410_NFREG(0x34)
> -#define S3C2412_NFMECC1                S3C2410_NFREG(0x38)
> -#define S3C2412_NFSECC         S3C2410_NFREG(0x3C)
> -
> -#define S3C2410_NFCONF_EN          (1<<15)
> -#define S3C2410_NFCONF_512BYTE     (1<<14)
> -#define S3C2410_NFCONF_4STEP       (1<<13)
> -#define S3C2410_NFCONF_INITECC     (1<<12)
> -#define S3C2410_NFCONF_nFCE        (1<<11)
> -#define S3C2410_NFCONF_TACLS(x)    ((x)<<8)
> -#define S3C2410_NFCONF_TWRPH0(x)   ((x)<<4)
> -#define S3C2410_NFCONF_TWRPH1(x)   ((x)<<0)
> -
> -#define S3C2410_NFSTAT_BUSY        (1<<0)
> -
> -#define S3C2440_NFCONF_BUSWIDTH_8      (0<<0)
> -#define S3C2440_NFCONF_BUSWIDTH_16     (1<<0)
> -#define S3C2440_NFCONF_ADVFLASH                (1<<3)
> -#define S3C2440_NFCONF_TACLS(x)                ((x)<<12)
> -#define S3C2440_NFCONF_TWRPH0(x)       ((x)<<8)
> -#define S3C2440_NFCONF_TWRPH1(x)       ((x)<<4)
> -
> -#define S3C2440_NFCONT_LOCKTIGHT       (1<<13)
> -#define S3C2440_NFCONT_SOFTLOCK                (1<<12)
> -#define S3C2440_NFCONT_ILLEGALACC_EN   (1<<10)
> -#define S3C2440_NFCONT_RNBINT_EN       (1<<9)
> -#define S3C2440_NFCONT_RN_FALLING      (1<<8)
> -#define S3C2440_NFCONT_SPARE_ECCLOCK   (1<<6)
> -#define S3C2440_NFCONT_MAIN_ECCLOCK    (1<<5)
> -#define S3C2440_NFCONT_INITECC         (1<<4)
> -#define S3C2440_NFCONT_nFCE            (1<<1)
> -#define S3C2440_NFCONT_ENABLE          (1<<0)
> -
> -#define S3C2440_NFSTAT_READY           (1<<0)
> -#define S3C2440_NFSTAT_nCE             (1<<1)
> -#define S3C2440_NFSTAT_RnB_CHANGE      (1<<2)
> -#define S3C2440_NFSTAT_ILLEGAL_ACCESS  (1<<3)
> -
> -#define S3C2412_NFCONF_NANDBOOT                (1<<31)
> -#define S3C2412_NFCONF_ECCCLKCON       (1<<30)
> -#define S3C2412_NFCONF_ECC_MLC         (1<<24)
> -#define S3C2412_NFCONF_TACLS_MASK      (7<<12) /* 1 extra bit of Tacls */
> -
> -#define S3C2412_NFCONT_ECC4_DIRWR      (1<<18)
> -#define S3C2412_NFCONT_LOCKTIGHT       (1<<17)
> -#define S3C2412_NFCONT_SOFTLOCK                (1<<16)
> -#define S3C2412_NFCONT_ECC4_ENCINT     (1<<13)
> -#define S3C2412_NFCONT_ECC4_DECINT     (1<<12)
> -#define S3C2412_NFCONT_MAIN_ECC_LOCK   (1<<7)
> -#define S3C2412_NFCONT_INIT_MAIN_ECC   (1<<5)
> -#define S3C2412_NFCONT_nFCE1           (1<<2)
> -#define S3C2412_NFCONT_nFCE0           (1<<1)
> -
> -#define S3C2412_NFSTAT_ECC_ENCDONE     (1<<7)
> -#define S3C2412_NFSTAT_ECC_DECDONE     (1<<6)
> -#define S3C2412_NFSTAT_ILLEGAL_ACCESS  (1<<5)
> -#define S3C2412_NFSTAT_RnB_CHANGE      (1<<4)
> -#define S3C2412_NFSTAT_nFCE1           (1<<3)
> -#define S3C2412_NFSTAT_nFCE0           (1<<2)
> -#define S3C2412_NFSTAT_Res1            (1<<1)
> -#define S3C2412_NFSTAT_READY           (1<<0)
> -
> -#define S3C2412_NFECCERR_SERRDATA(x)   (((x) >> 21) & 0xf)
> -#define S3C2412_NFECCERR_SERRBIT(x)    (((x) >> 18) & 0x7)
> -#define S3C2412_NFECCERR_MERRDATA(x)   (((x) >> 7) & 0x3ff)
> -#define S3C2412_NFECCERR_MERRBIT(x)    (((x) >> 4) & 0x7)
> -#define S3C2412_NFECCERR_SPARE_ERR(x)  (((x) >> 2) & 0x3)
> -#define S3C2412_NFECCERR_MAIN_ERR(x)   (((x) >> 2) & 0x3)
> -#define S3C2412_NFECCERR_NONE          (0)
> -#define S3C2412_NFECCERR_1BIT          (1)
> -#define S3C2412_NFECCERR_MULTIBIT      (2)
> -#define S3C2412_NFECCERR_ECCAREA       (3)
> -
> -
> -
> -#endif /* __ASM_ARM_REGS_NAND */
> -
> diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
> index 47fbd9a2cacf..f0918e7411d9 100644
> --- a/drivers/mtd/nand/s3c2410.c
> +++ b/drivers/mtd/nand/s3c2410.c
> @@ -46,9 +46,43 @@
>  #include <linux/mtd/nand_ecc.h>
>  #include <linux/mtd/partitions.h>
>
> -#include <plat/regs-nand.h>
>  #include <linux/platform_data/mtd-nand-s3c2410.h>
>
> +#define S3C2410_NFREG(x) (x)
> +
> +#define S3C2410_NFCONF         S3C2410_NFREG(0x00)
> +#define S3C2410_NFCMD          S3C2410_NFREG(0x04)
> +#define S3C2410_NFADDR         S3C2410_NFREG(0x08)
> +#define S3C2410_NFDATA         S3C2410_NFREG(0x0C)
> +#define S3C2410_NFSTAT         S3C2410_NFREG(0x10)
> +#define S3C2410_NFECC          S3C2410_NFREG(0x14)
> +#define S3C2440_NFCONT         S3C2410_NFREG(0x04)
> +#define S3C2440_NFCMD          S3C2410_NFREG(0x08)
> +#define S3C2440_NFADDR         S3C2410_NFREG(0x0C)
> +#define S3C2440_NFDATA         S3C2410_NFREG(0x10)
> +#define S3C2440_NFSTAT         S3C2410_NFREG(0x20)
> +#define S3C2440_NFMECC0                S3C2410_NFREG(0x2C)
> +#define S3C2412_NFSTAT         S3C2410_NFREG(0x28)
> +#define S3C2412_NFMECC0                S3C2410_NFREG(0x34)
> +#define S3C2410_NFCONF_EN              (1<<15)
> +#define S3C2410_NFCONF_INITECC         (1<<12)
> +#define S3C2410_NFCONF_nFCE            (1<<11)
> +#define S3C2410_NFCONF_TACLS(x)                ((x)<<8)
> +#define S3C2410_NFCONF_TWRPH0(x)       ((x)<<4)
> +#define S3C2410_NFCONF_TWRPH1(x)       ((x)<<0)
> +#define S3C2410_NFSTAT_BUSY            (1<<0)
> +#define S3C2440_NFCONF_TACLS(x)                ((x)<<12)
> +#define S3C2440_NFCONF_TWRPH0(x)       ((x)<<8)
> +#define S3C2440_NFCONF_TWRPH1(x)       ((x)<<4)
> +#define S3C2440_NFCONT_INITECC         (1<<4)
> +#define S3C2440_NFCONT_nFCE            (1<<1)
> +#define S3C2440_NFCONT_ENABLE          (1<<0)
> +#define S3C2440_NFSTAT_READY           (1<<0)
> +#define S3C2412_NFCONF_NANDBOOT                (1<<31)
> +#define S3C2412_NFCONT_INIT_MAIN_ECC   (1<<5)
> +#define S3C2412_NFCONT_nFCE0           (1<<1)
> +#define S3C2412_NFSTAT_READY           (1<<0)
> +
>  /* new oob placement block for use with hardware ecc generation
>   */
>
> --
> 1.7.9.5
>

Gentle ping.

-- 
With warm regards,
Sachin



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