target/linux/adm5120/files-2.6.26/arch/mips/adm5120/cellvision/cellvision.c

   1 /*
   2  *  Cellvision/SparkLAN boards
   3  *
   4  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include "cellvision.h"
  13
  14 #define CELLVISION_GPIO_FLASH_A20       ADM5120_GPIO_PIN5
  15 #define CELLVISION_GPIO_DEV_MASK        (1 << CELLVISION_GPIO_FLASH_A20)
  16
  17 #ifdef CONFIG_MTD_PARTITIONS
  18 static struct mtd_partition cas6xx_partitions[] = {
  19         {
  20                 .name   = "admboot",
  21                 .offset = 0,
  22                 .size   = 32*1024,
  23                 .mask_flags = MTD_WRITEABLE,
  24         } , {
  25                 .name   = "config",
  26                 .offset = MTDPART_OFS_APPEND,
  27                 .size   = 32*1024,
  28         } , {
  29                 .name   = "nvfs1",
  30                 .offset = MTDPART_OFS_APPEND,
  31                 .size   = 64*1024,
  32         } , {
  33                 .name   = "nvfs2",
  34                 .offset = MTDPART_OFS_APPEND,
  35                 .size   = 64*1024,
  36         } , {
  37                 .name   = "firmware",
  38                 .offset = MTDPART_OFS_APPEND,
  39                 .size   = MTDPART_SIZ_FULL,
  40         }
  41 };
  42
  43 static struct mtd_partition cas7xx_partitions[] = {
  44         {
  45                 .name   = "admboot",
  46                 .offset = 0,
  47                 .size   = 32*1024,
  48                 .mask_flags = MTD_WRITEABLE,
  49         } , {
  50                 .name   = "config",
  51                 .offset = MTDPART_OFS_APPEND,
  52                 .size   = 32*1024,
  53         } , {
  54                 .name   = "nvfs",
  55                 .offset = MTDPART_OFS_APPEND,
  56                 .size   = 128*1024,
  57         } , {
  58                 .name   = "firmware",
  59                 .offset = MTDPART_OFS_APPEND,
  60                 .size   = MTDPART_SIZ_FULL,
  61         }
  62 };
  63 #endif /* CONFIG_MTD_PARTITIONS */
  64
  65 static void switch_bank_gpio5(unsigned bank)
  66 {
  67         switch (bank) {
  68         case 0:
  69                 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 0);
  70                 break;
  71         case 1:
  72                 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 1);
  73                 break;
  74         }
  75 }
  76
  77 static void __init cellvision_flash_setup(void)
  78 {
  79         /* setup flash A20 line */
  80         gpio_request(CELLVISION_GPIO_FLASH_A20, NULL);
  81         gpio_direction_output(CELLVISION_GPIO_FLASH_A20, 0);
  82
  83         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  84         adm5120_add_device_flash(0);
  85 }
  86
  87 void __init cas6xx_flash_setup(void)
  88 {
  89 #ifdef CONFIG_MTD_PARTITIONS
  90         adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions);
  91         adm5120_flash0_data.parts = cas6xx_partitions;
  92 #endif /* CONFIG_MTD_PARTITIONS */
  93
  94         cellvision_flash_setup();
  95 }
  96
  97 void __init cas7xx_flash_setup(void)
  98 {
  99 #ifdef CONFIG_MTD_PARTITIONS
 100         adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas7xx_partitions);
 101         adm5120_flash0_data.parts = cas7xx_partitions;
 102 #endif /* CONFIG_MTD_PARTITIONS */
 103
 104         cellvision_flash_setup();
 105 }
 106
 107 #if 0
 108 void __init cas6xx_setup(void)
 109 {
 110         cas6xx_flash_setup();
 111         adm5120_add_device_switch(1, NULL);
 112 }
 113
 114 ADM5120_BOARD(MACH_ADM5120_CAS630, "Cellvision CAS-630/630W", cas6xx_setup);
 115 ADM5120_BOARD(MACH_ADM5120_CAS670, "Cellvision CAS-670/670W", cas6xx_setup);
 116 #endif
 117
 118 void __init cas7xx_setup(void)
 119 {
 120         cas7xx_flash_setup();
 121         adm5120_add_device_switch(1, NULL);
 122 }
 123
 124 #if 0
 125 ADM5120_BOARD(MACH_ADM5120_CAS700, "Cellvision CAS-700/700W", cas7xx_setup);
 126 ADM5120_BOARD(MACH_ADM5120_CAS790, "Cellvision CAS-790", cas7xx_setup);
 127 ADM5120_BOARD(MACH_ADM5120_CAS861, "Cellvision CAS-861/861W", cas7xx_setup);
 128 #endif