target/linux/adm5120/files-3.18/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 #include <prom/admboot.h>
  15
  16 #define CELLVISION_GPIO_FLASH_A20       ADM5120_GPIO_PIN5
  17 #define CELLVISION_GPIO_DEV_MASK        (1 << CELLVISION_GPIO_FLASH_A20)
  18
  19 #define CELLVISION_CONFIG_OFFSET        0x8000
  20 #define CELLVISION_CONFIG_SIZE          0x1000
  21
  22 static struct mtd_partition cas6xx_partitions[] = {
  23         {
  24                 .name   = "admboot",
  25                 .offset = 0,
  26                 .size   = 32*1024,
  27                 .mask_flags = MTD_WRITEABLE,
  28         } , {
  29                 .name   = "config",
  30                 .offset = MTDPART_OFS_APPEND,
  31                 .size   = 32*1024,
  32         } , {
  33                 .name   = "nvfs1",
  34                 .offset = MTDPART_OFS_APPEND,
  35                 .size   = 64*1024,
  36         } , {
  37                 .name   = "nvfs2",
  38                 .offset = MTDPART_OFS_APPEND,
  39                 .size   = 64*1024,
  40         } , {
  41                 .name   = "firmware",
  42                 .offset = MTDPART_OFS_APPEND,
  43                 .size   = MTDPART_SIZ_FULL,
  44         }
  45 };
  46
  47 static struct mtd_partition cas7xx_partitions[] = {
  48         {
  49                 .name   = "admboot",
  50                 .offset = 0,
  51                 .size   = 32*1024,
  52                 .mask_flags = MTD_WRITEABLE,
  53         } , {
  54                 .name   = "config",
  55                 .offset = MTDPART_OFS_APPEND,
  56                 .size   = 32*1024,
  57         } , {
  58                 .name   = "nvfs",
  59                 .offset = MTDPART_OFS_APPEND,
  60                 .size   = 128*1024,
  61         } , {
  62                 .name   = "firmware",
  63                 .offset = MTDPART_OFS_APPEND,
  64                 .size   = MTDPART_SIZ_FULL,
  65         }
  66 };
  67
  68 static void switch_bank_gpio5(unsigned bank)
  69 {
  70         switch (bank) {
  71         case 0:
  72                 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 0);
  73                 break;
  74         case 1:
  75                 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 1);
  76                 break;
  77         }
  78 }
  79
  80 static void __init cellvision_flash_setup(void)
  81 {
  82         /* setup flash A20 line */
  83         gpio_request(CELLVISION_GPIO_FLASH_A20, NULL);
  84         gpio_direction_output(CELLVISION_GPIO_FLASH_A20, 0);
  85
  86         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  87         adm5120_add_device_flash(0);
  88 }
  89
  90 void __init cellvision_mac_setup(void)
  91 {
  92         u8 mac_base[6];
  93         int err;
  94
  95         err = admboot_get_mac_base(CELLVISION_CONFIG_OFFSET,
  96                                    CELLVISION_CONFIG_SIZE, mac_base);
  97
  98         if ((err) || !is_valid_ether_addr(mac_base))
  99                 random_ether_addr(mac_base);
 100
 101         adm5120_setup_eth_macs(mac_base);
 102 }
 103
 104 void __init cas6xx_flash_setup(void)
 105 {
 106         adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions);
 107         adm5120_flash0_data.parts = cas6xx_partitions;
 108
 109         cellvision_flash_setup();
 110 }
 111
 112 void __init cas7xx_flash_setup(void)
 113 {
 114         adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas7xx_partitions);
 115         adm5120_flash0_data.parts = cas7xx_partitions;
 116
 117         cellvision_flash_setup();
 118 }
 119
 120 void __init cas6xx_setup(void)
 121 {
 122         cas6xx_flash_setup();
 123         adm5120_add_device_uart(0);
 124         adm5120_add_device_uart(1);
 125         adm5120_add_device_switch(1, NULL);
 126 }
 127
 128 MIPS_MACHINE(MACH_ADM5120_CAS630, "CAS-630", "Cellvision CAS-630/630W",
 129              cas6xx_setup);
 130 MIPS_MACHINE(MACH_ADM5120_CAS670, "CAS-670", "Cellvision CAS-670/670W",
 131              cas6xx_setup);
 132
 133 void __init cas7xx_setup(void)
 134 {
 135         cas7xx_flash_setup();
 136         cellvision_mac_setup();
 137         adm5120_add_device_uart(0);
 138         adm5120_add_device_uart(1);
 139         adm5120_add_device_switch(1, NULL);
 140 }
 141
 142 MIPS_MACHINE(MACH_ADM5120_CAS700, "CAS-700", "Cellvision CAS-700/700W",
 143              cas7xx_setup);
 144 MIPS_MACHINE(MACH_ADM5120_CAS790, "CAS-790", "Cellvision CAS-790",
 145              cas7xx_setup);
 146 MIPS_MACHINE(MACH_ADM5120_CAS861, "CAS-861", "Cellvision CAS-861/861W",
 147              cas7xx_setup);