release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-ks8695/devices.c

   1 /*
   2  * arch/arm/mach-ks8695/devices.c
   3  *
   4  * Copyright (C) 2006 Andrew Victor
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include <asm/mach/arch.h>
  21 #include <asm/mach/map.h>
  22
  23 #include <linux/platform_device.h>
  24
  25 #include <mach/irqs.h>
  26 #include <mach/regs-wan.h>
  27 #include <mach/regs-lan.h>
  28 #include <mach/regs-hpna.h>
  29 #include <mach/regs-switch.h>
  30 #include <mach/regs-misc.h>
  31
  32
  33 /* --------------------------------------------------------------------
  34  *  Ethernet
  35  * -------------------------------------------------------------------- */
  36
  37 static u64 eth_dmamask = 0xffffffffUL;
  38
  39 static struct resource ks8695_wan_resources[] = {
  40         [0] = {
  41                 .start  = KS8695_WAN_PA,
  42                 .end    = KS8695_WAN_PA + 0x00ff,
  43                 .flags  = IORESOURCE_MEM,
  44         },
  45         [1] = {
  46                 .name   = "WAN RX",
  47                 .start  = KS8695_IRQ_WAN_RX_STATUS,
  48                 .end    = KS8695_IRQ_WAN_RX_STATUS,
  49                 .flags  = IORESOURCE_IRQ,
  50         },
  51         [2] = {
  52                 .name   = "WAN TX",
  53                 .start  = KS8695_IRQ_WAN_TX_STATUS,
  54                 .end    = KS8695_IRQ_WAN_TX_STATUS,
  55                 .flags  = IORESOURCE_IRQ,
  56         },
  57         [3] = {
  58                 .name   = "WAN Link",
  59                 .start  = KS8695_IRQ_WAN_LINK,
  60                 .end    = KS8695_IRQ_WAN_LINK,
  61                 .flags  = IORESOURCE_IRQ,
  62         },
  63         [4] = {
  64                 .name   = "WAN PHY",
  65                 .start  = KS8695_MISC_PA,
  66                 .end    = KS8695_MISC_PA + 0x1f,
  67                 .flags  = IORESOURCE_MEM,
  68         },
  69 };
  70
  71 static struct platform_device ks8695_wan_device = {
  72         .name           = "ks8695_ether",
  73         .id             = 0,
  74         .dev            = {
  75                                 .dma_mask               = &eth_dmamask,
  76                                 .coherent_dma_mask      = 0xffffffff,
  77         },
  78         .resource       = ks8695_wan_resources,
  79         .num_resources  = ARRAY_SIZE(ks8695_wan_resources),
  80 };
  81
  82
  83 static struct resource ks8695_lan_resources[] = {
  84         [0] = {
  85                 .start  = KS8695_LAN_PA,
  86                 .end    = KS8695_LAN_PA + 0x00ff,
  87                 .flags  = IORESOURCE_MEM,
  88         },
  89         [1] = {
  90                 .name   = "LAN RX",
  91                 .start  = KS8695_IRQ_LAN_RX_STATUS,
  92                 .end    = KS8695_IRQ_LAN_RX_STATUS,
  93                 .flags  = IORESOURCE_IRQ,
  94         },
  95         [2] = {
  96                 .name   = "LAN TX",
  97                 .start  = KS8695_IRQ_LAN_TX_STATUS,
  98                 .end    = KS8695_IRQ_LAN_TX_STATUS,
  99                 .flags  = IORESOURCE_IRQ,
 100         },
 101         [3] = {
 102                 .name   = "LAN SWITCH",
 103                 .start  = KS8695_SWITCH_PA,
 104                 .end    = KS8695_SWITCH_PA + 0x4f,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107 };
 108
 109 static struct platform_device ks8695_lan_device = {
 110         .name           = "ks8695_ether",
 111         .id             = 1,
 112         .dev            = {
 113                                 .dma_mask               = &eth_dmamask,
 114                                 .coherent_dma_mask      = 0xffffffff,
 115         },
 116         .resource       = ks8695_lan_resources,
 117         .num_resources  = ARRAY_SIZE(ks8695_lan_resources),
 118 };
 119
 120
 121 static struct resource ks8695_hpna_resources[] = {
 122         [0] = {
 123                 .start  = KS8695_HPNA_PA,
 124                 .end    = KS8695_HPNA_PA + 0x00ff,
 125                 .flags  = IORESOURCE_MEM,
 126         },
 127         [1] = {
 128                 .name   = "HPNA RX",
 129                 .start  = KS8695_IRQ_HPNA_RX_STATUS,
 130                 .end    = KS8695_IRQ_HPNA_RX_STATUS,
 131                 .flags  = IORESOURCE_IRQ,
 132         },
 133         [2] = {
 134                 .name   = "HPNA TX",
 135                 .start  = KS8695_IRQ_HPNA_TX_STATUS,
 136                 .end    = KS8695_IRQ_HPNA_TX_STATUS,
 137                 .flags  = IORESOURCE_IRQ,
 138         },
 139 };
 140
 141 static struct platform_device ks8695_hpna_device = {
 142         .name           = "ks8695_ether",
 143         .id             = 2,
 144         .dev            = {
 145                                 .dma_mask               = &eth_dmamask,
 146                                 .coherent_dma_mask      = 0xffffffff,
 147         },
 148         .resource       = ks8695_hpna_resources,
 149         .num_resources  = ARRAY_SIZE(ks8695_hpna_resources),
 150 };
 151
 152 void __init ks8695_add_device_wan(void)
 153 {
 154         platform_device_register(&ks8695_wan_device);
 155 }
 156
 157 void __init ks8695_add_device_lan(void)
 158 {
 159         platform_device_register(&ks8695_lan_device);
 160 }
 161
 162 void __init ks8696_add_device_hpna(void)
 163 {
 164         platform_device_register(&ks8695_hpna_device);
 165 }
 166
 167
 168 /* --------------------------------------------------------------------
 169  *  Watchdog
 170  * -------------------------------------------------------------------- */
 171
 172 static struct platform_device ks8695_wdt_device = {
 173         .name           = "ks8695_wdt",
 174         .id             = -1,
 175         .num_resources  = 0,
 176 };
 177
 178 static void __init ks8695_add_device_watchdog(void)
 179 {
 180         platform_device_register(&ks8695_wdt_device);
 181 }
 182
 183
 184 /* --------------------------------------------------------------------
 185  *  LEDs
 186  * -------------------------------------------------------------------- */
 187
 188 #if defined(CONFIG_LEDS)
 189 short ks8695_leds_cpu = -1;
 190 short ks8695_leds_timer = -1;
 191
 192 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
 193 {
 194         /* Enable GPIO to access the LEDs */
 195         gpio_direction_output(cpu_led, 1);
 196         gpio_direction_output(timer_led, 1);
 197
 198         ks8695_leds_cpu   = cpu_led;
 199         ks8695_leds_timer = timer_led;
 200 }
 201 #else
 202 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
 203 #endif
 204
 205 /* -------------------------------------------------------------------- */
 206
 207 /*
 208  * These devices are always present and don't need any board-specific
 209  * setup.
 210  */
 211 static int __init ks8695_add_standard_devices(void)
 212 {
 213         ks8695_add_device_watchdog();
 214         return 0;
 215 }
 216
 217 arch_initcall(ks8695_add_standard_devices);