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