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