target/linux/ar71xx/patches-3.2/303-rb750_nand-3.2-fixes.patch

   1 --- a/drivers/mtd/nand/rb750_nand.c
   2 +++ b/drivers/mtd/nand/rb750_nand.c
   3 @@ -1,14 +1,15 @@
   4  /*
   5   *  NAND flash driver for the MikroTik RouterBOARD 750
   6   *
   7 - *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
   8 + *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
   9   *
  10   *  This program is free software; you can redistribute it and/or modify it
  11   *  under the terms of the GNU General Public License version 2 as published
  12   *  by the Free Software Foundation.
  13   */
  14
  15 -#include <linux/init.h>
  16 +#include <linux/kernel.h>
  17 +#include <linux/module.h>
  18  #include <linux/mtd/nand.h>
  19  #include <linux/mtd/mtd.h>
  20  #include <linux/mtd/partitions.h>
  21 @@ -16,8 +17,9 @@
  22  #include <linux/io.h>
  23  #include <linux/slab.h>
  24
  25 -#include <asm/mach-ar71xx/ar71xx.h>
  26 -#include <asm/mach-ar71xx/mach-rb750.h>
  27 +#include <asm/mach-ath79/ar71xx_regs.h>
  28 +#include <asm/mach-ath79/ath79.h>
  29 +#include <asm/mach-ath79/mach-rb750.h>
  30
  31  #define DRV_NAME       "rb750-nand"
  32  #define DRV_VERSION    "0.1.0"
  33 @@ -73,7 +75,7 @@ static struct mtd_partition rb750_nand_p
  34
  35  static void rb750_nand_write(const u8 *buf, unsigned len)
  36  {
  37 -       void __iomem *base = ar71xx_gpio_base;
  38 +       void __iomem *base = ath79_gpio_base;
  39         u32 out;
  40         u32 t;
  41         unsigned i;
  42 @@ -107,7 +109,7 @@ static void rb750_nand_write(const u8 *b
  43  static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
  44                                   const u8 *verify_buf)
  45  {
  46 -       void __iomem *base = ar71xx_gpio_base;
  47 +       void __iomem *base = ath79_gpio_base;
  48         unsigned i;
  49
  50         for (i = 0; i < len; i++) {
  51 @@ -136,7 +138,7 @@ static int rb750_nand_read_verify(u8 *re
  52
  53  static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
  54  {
  55 -       void __iomem *base = ar71xx_gpio_base;
  56 +       void __iomem *base = ath79_gpio_base;
  57         u32 func;
  58         u32 t;
  59
  60 @@ -145,9 +147,7 @@ static void rb750_nand_select_chip(struc
  61                 /* disable latch */
  62                 rb750_latch_change(RB750_LVC573_LE, 0);
  63
  64 -               /* disable alternate functions */
  65 -               ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
  66 -                                          AR724X_GPIO_FUNC_SPI_EN);
  67 +               rb750_nand_pins_enable();
  68
  69                 /* set input mode for data lines */
  70                 t = __raw_readl(base + AR71XX_GPIO_REG_OE);
  71 @@ -172,9 +172,7 @@ static void rb750_nand_select_chip(struc
  72                 __raw_writel(t | RB750_NAND_IO0 | RB750_NAND_RDY,
  73                              base + AR71XX_GPIO_REG_OE);
  74
  75 -               /* restore alternate functions */
  76 -               ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
  77 -                                          AR724X_GPIO_FUNC_JTAG_DISABLE);
  78 +               rb750_nand_pins_disable();
  79
  80                 /* enable latch */
  81                 rb750_latch_change(0, RB750_LVC573_LE);
  82 @@ -183,7 +181,7 @@ static void rb750_nand_select_chip(struc
  83
  84  static int rb750_nand_dev_ready(struct mtd_info *mtd)
  85  {
  86 -       void __iomem *base = ar71xx_gpio_base;
  87 +       void __iomem *base = ath79_gpio_base;
  88
  89         return !!(__raw_readl(base + AR71XX_GPIO_REG_IN) & RB750_NAND_RDY);
  90  }
  91 @@ -192,7 +190,7 @@ static void rb750_nand_cmd_ctrl(struct m
  92                                 unsigned int ctrl)
  93  {
  94         if (ctrl & NAND_CTRL_CHANGE) {
  95 -               void __iomem *base = ar71xx_gpio_base;
  96 +               void __iomem *base = ath79_gpio_base;
  97                 u32 t;
  98
  99                 t = __raw_readl(base + AR71XX_GPIO_REG_OUT);
 100 @@ -236,7 +234,7 @@ static int rb750_nand_verify_buf(struct
 101
 102  static void __init rb750_nand_gpio_init(void)
 103  {
 104 -       void __iomem *base = ar71xx_gpio_base;
 105 +       void __iomem *base = ath79_gpio_base;
 106         u32 out;
 107         u32 t;
 108
 109 @@ -306,12 +304,8 @@ static int __devinit rb750_nand_probe(st
 110                 goto err_set_drvdata;
 111         }
 112
 113 -#ifdef CONFIG_MTD_PARTITIONS
 114 -       ret = add_mtd_partitions(&info->mtd, rb750_nand_partitions,
 115 +       ret = mtd_device_register(&info->mtd, rb750_nand_partitions,
 116                                  ARRAY_SIZE(rb750_nand_partitions));
 117 -#else
 118 -       ret = add_mtd_device(&info->mtd);
 119 -#endif
 120         if (ret)
 121                 goto err_release_nand;
 122