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/gpio.h>
  24 #include <linux/platform_device.h>
  25
  26 #include <mach/irqs.h>
  27 #include <mach/regs-wan.h>
  28 #include <mach/regs-lan.h>
  29 #include <mach/regs-hpna.h>
  30 #include <mach/regs-switch.h>
  31 #include <mach/regs-misc.h>
  32
  33
  34 /* --------------------------------------------------------------------
  35  *  Ethernet
  36  * -------------------------------------------------------------------- */
  37
  38 static u64 eth_dmamask = 0xffffffffUL;
  39
  40 static struct resource ks8695_wan_resources[] = {
  41         [0] = {
  42                 .start  = KS8695_WAN_PA,
  43                 .end    = KS8695_WAN_PA + 0x00ff,
  44                 .flags  = IORESOURCE_MEM,
  45         },
  46         [1] = {
  47                 .name   = "WAN RX",
  48                 .start  = KS8695_IRQ_WAN_RX_STATUS,
  49                 .end    = KS8695_IRQ_WAN_RX_STATUS,
  50                 .flags  = IORESOURCE_IRQ,
  51         },
  52         [2] = {
  53                 .name   = "WAN TX",
  54                 .start  = KS8695_IRQ_WAN_TX_STATUS,
  55                 .end    = KS8695_IRQ_WAN_TX_STATUS,
  56                 .flags  = IORESOURCE_IRQ,
  57         },
  58         [3] = {
  59                 .name   = "WAN Link",
  60                 .start  = KS8695_IRQ_WAN_LINK,
  61                 .end    = KS8695_IRQ_WAN_LINK,
  62                 .flags  = IORESOURCE_IRQ,
  63         },
  64         [4] = {
  65                 .name   = "WAN PHY",
  66                 .start  = KS8695_MISC_PA,
  67                 .end    = KS8695_MISC_PA + 0x1f,
  68                 .flags  = IORESOURCE_MEM,
  69         },
  70 };
  71
  72 static struct platform_device ks8695_wan_device = {
  73         .name           = "ks8695_ether",
  74         .id             = 0,
  75         .dev            = {
  76                                 .dma_mask               = &eth_dmamask,
  77                                 .coherent_dma_mask      = 0xffffffff,
  78         },
  79         .resource       = ks8695_wan_resources,
  80         .num_resources  = ARRAY_SIZE(ks8695_wan_resources),
  81 };
  82
  83
  84 static struct resource ks8695_lan_resources[] = {
  85         [0] = {
  86                 .start  = KS8695_LAN_PA,
  87                 .end    = KS8695_LAN_PA + 0x00ff,
  88                 .flags  = IORESOURCE_MEM,
  89         },
  90         [1] = {
  91                 .name   = "LAN RX",
  92                 .start  = KS8695_IRQ_LAN_RX_STATUS,
  93                 .end    = KS8695_IRQ_LAN_RX_STATUS,
  94                 .flags  = IORESOURCE_IRQ,
  95         },
  96         [2] = {
  97                 .name   = "LAN TX",
  98                 .start  = KS8695_IRQ_LAN_TX_STATUS,
  99                 .end    = KS8695_IRQ_LAN_TX_STATUS,
 100                 .flags  = IORESOURCE_IRQ,
 101         },
 102         [3] = {
 103                 .name   = "LAN SWITCH",
 104                 .start  = KS8695_SWITCH_PA,
 105                 .end    = KS8695_SWITCH_PA + 0x4f,
 106                 .flags  = IORESOURCE_MEM,
 107         },
 108 };
 109
 110 static struct platform_device ks8695_lan_device = {
 111         .name           = "ks8695_ether",
 112         .id             = 1,
 113         .dev            = {
 114                                 .dma_mask               = &eth_dmamask,
 115                                 .coherent_dma_mask      = 0xffffffff,
 116         },
 117         .resource       = ks8695_lan_resources,
 118         .num_resources  = ARRAY_SIZE(ks8695_lan_resources),
 119 };
 120
 121
 122 static struct resource ks8695_hpna_resources[] = {
 123         [0] = {
 124                 .start  = KS8695_HPNA_PA,
 125                 .end    = KS8695_HPNA_PA + 0x00ff,
 126                 .flags  = IORESOURCE_MEM,
 127         },
 128         [1] = {
 129                 .name   = "HPNA RX",
 130                 .start  = KS8695_IRQ_HPNA_RX_STATUS,
 131                 .end    = KS8695_IRQ_HPNA_RX_STATUS,
 132                 .flags  = IORESOURCE_IRQ,
 133         },
 134         [2] = {
 135                 .name   = "HPNA TX",
 136                 .start  = KS8695_IRQ_HPNA_TX_STATUS,
 137                 .end    = KS8695_IRQ_HPNA_TX_STATUS,
 138                 .flags  = IORESOURCE_IRQ,
 139         },
 140 };
 141
 142 static struct platform_device ks8695_hpna_device = {
 143         .name           = "ks8695_ether",
 144         .id             = 2,
 145         .dev            = {
 146                                 .dma_mask               = &eth_dmamask,
 147                                 .coherent_dma_mask      = 0xffffffff,
 148         },
 149         .resource       = ks8695_hpna_resources,
 150         .num_resources  = ARRAY_SIZE(ks8695_hpna_resources),
 151 };
 152
 153 void __init ks8695_add_device_wan(void)
 154 {
 155         platform_device_register(&ks8695_wan_device);
 156 }
 157
 158 void __init ks8695_add_device_lan(void)
 159 {
 160         platform_device_register(&ks8695_lan_device);
 161 }
 162
 163 void __init ks8696_add_device_hpna(void)
 164 {
 165         platform_device_register(&ks8695_hpna_device);
 166 }
 167
 168
 169 /* --------------------------------------------------------------------
 170  *  Watchdog
 171  * -------------------------------------------------------------------- */
 172
 173 static struct platform_device ks8695_wdt_device = {
 174         .name           = "ks8695_wdt",
 175         .id             = -1,
 176         .num_resources  = 0,
 177 };
 178
 179 static void __init ks8695_add_device_watchdog(void)
 180 {
 181         platform_device_register(&ks8695_wdt_device);
 182 }
 183
 184
 185 /* --------------------------------------------------------------------
 186  *  LEDs
 187  * -------------------------------------------------------------------- */
 188
 189 #if defined(CONFIG_LEDS)
 190 short ks8695_leds_cpu = -1;
 191 short ks8695_leds_timer = -1;
 192
 193 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
 194 {
 195         /* Enable GPIO to access the LEDs */
 196         gpio_direction_output(cpu_led, 1);
 197         gpio_direction_output(timer_led, 1);
 198
 199         ks8695_leds_cpu   = cpu_led;
 200         ks8695_leds_timer = timer_led;
 201 }
 202 #else
 203 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
 204 #endif
 205
 206 /* -------------------------------------------------------------------- */
 207
 208 /*
 209  * These devices are always present and don't need any board-specific
 210  * setup.
 211  */
 212 static int __init ks8695_add_standard_devices(void)
 213 {
 214         ks8695_add_device_watchdog();
 215         return 0;
 216 }
 217
 218 arch_initcall(ks8695_add_standard_devices);