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 <asm/arch/regs-wan.h>
  26 #include <asm/arch/regs-lan.h>
  27 #include <asm/arch/regs-hpna.h>
  28
  29
  30 /* --------------------------------------------------------------------
  31  *  Ethernet
  32  * -------------------------------------------------------------------- */
  33
  34 #if defined(CONFIG_ARM_KS8695_ETHER) || defined(CONFIG_ARM_KS8695_ETHER_MODULE)
  35 static u64 eth_dmamask = 0xffffffffUL;
  36
  37 static struct resource ks8695_wan_resources[] = {
  38         [0] = {
  39                 .start  = KS8695_WAN_VA,
  40                 .end    = KS8695_WAN_VA + 0x00ff,
  41                 .flags  = IORESOURCE_MEM,
  42         },
  43         [1] = {
  44                 .name   = "WAN RX",
  45                 .start  = KS8695_IRQ_WAN_RX_STATUS,
  46                 .end    = KS8695_IRQ_WAN_RX_STATUS,
  47                 .flags  = IORESOURCE_IRQ,
  48         },
  49         [2] = {
  50                 .name   = "WAN TX",
  51                 .start  = KS8695_IRQ_WAN_TX_STATUS,
  52                 .end    = KS8695_IRQ_WAN_TX_STATUS,
  53                 .flags  = IORESOURCE_IRQ,
  54         },
  55         [3] = {
  56                 .name   = "WAN Link",
  57                 .start  = KS8695_IRQ_WAN_LINK,
  58                 .end    = KS8695_IRQ_WAN_LINK,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct platform_device ks8695_wan_device = {
  64         .name           = "ks8695_ether",
  65         .id             = 0,
  66         .dev            = {
  67                                 .dma_mask               = &eth_dmamask,
  68                                 .coherent_dma_mask      = 0xffffffff,
  69         },
  70         .resource       = ks8695_wan_resources,
  71         .num_resources  = ARRAY_SIZE(ks8695_wan_resources),
  72 };
  73
  74
  75 static struct resource ks8695_lan_resources[] = {
  76         [0] = {
  77                 .start  = KS8695_LAN_VA,
  78                 .end    = KS8695_LAN_VA + 0x00ff,
  79                 .flags  = IORESOURCE_MEM,
  80         },
  81         [1] = {
  82                 .name   = "LAN RX",
  83                 .start  = KS8695_IRQ_LAN_RX_STATUS,
  84                 .end    = KS8695_IRQ_LAN_RX_STATUS,
  85                 .flags  = IORESOURCE_IRQ,
  86         },
  87         [2] = {
  88                 .name   = "LAN TX",
  89                 .start  = KS8695_IRQ_LAN_TX_STATUS,
  90                 .end    = KS8695_IRQ_LAN_TX_STATUS,
  91                 .flags  = IORESOURCE_IRQ,
  92         },
  93 };
  94
  95 static struct platform_device ks8695_lan_device = {
  96         .name           = "ks8695_ether",
  97         .id             = 1,
  98         .dev            = {
  99                                 .dma_mask               = &eth_dmamask,
 100                                 .coherent_dma_mask      = 0xffffffff,
 101         },
 102         .resource       = ks8695_lan_resources,
 103         .num_resources  = ARRAY_SIZE(ks8695_lan_resources),
 104 };
 105
 106
 107 static struct resource ks8695_hpna_resources[] = {
 108         [0] = {
 109                 .start  = KS8695_HPNA_VA,
 110                 .end    = KS8695_HPNA_VA + 0x00ff,
 111                 .flags  = IORESOURCE_MEM,
 112         },
 113         [1] = {
 114                 .name   = "HPNA RX",
 115                 .start  = KS8695_IRQ_HPNA_RX_STATUS,
 116                 .end    = KS8695_IRQ_HPNA_RX_STATUS,
 117                 .flags  = IORESOURCE_IRQ,
 118         },
 119         [2] = {
 120                 .name   = "HPNA TX",
 121                 .start  = KS8695_IRQ_HPNA_TX_STATUS,
 122                 .end    = KS8695_IRQ_HPNA_TX_STATUS,
 123                 .flags  = IORESOURCE_IRQ,
 124         },
 125 };
 126
 127 static struct platform_device ks8695_hpna_device = {
 128         .name           = "ks8695_ether",
 129         .id             = 2,
 130         .dev            = {
 131                                 .dma_mask               = &eth_dmamask,
 132                                 .coherent_dma_mask      = 0xffffffff,
 133         },
 134         .resource       = ks8695_hpna_resources,
 135         .num_resources  = ARRAY_SIZE(ks8695_hpna_resources),
 136 };
 137
 138 void __init ks8695_add_device_wan(void)
 139 {
 140         platform_device_register(&ks8695_wan_device);
 141 }
 142
 143 void __init ks8695_add_device_lan(void)
 144 {
 145         platform_device_register(&ks8695_lan_device);
 146 }
 147
 148 void __init ks8696_add_device_hpna(void)
 149 {
 150         platform_device_register(&ks8695_hpna_device);
 151 }
 152 #else
 153 void __init ks8695_add_device_wan(void) {}
 154 void __init ks8695_add_device_lan(void) {}
 155 void __init ks8696_add_device_hpna(void) {}
 156 #endif
 157
 158
 159 /* --------------------------------------------------------------------
 160  *  Watchdog
 161  * -------------------------------------------------------------------- */
 162
 163 #if defined(CONFIG_KS8695_WATCHDOG) || defined(CONFIG_KS8695_WATCHDOG_MODULE)
 164 static struct platform_device ks8695_wdt_device = {
 165         .name           = "ks8695_wdt",
 166         .id             = -1,
 167         .num_resources  = 0,
 168 };
 169
 170 static void __init ks8695_add_device_watchdog(void)
 171 {
 172         platform_device_register(&ks8695_wdt_device);
 173 }
 174 #else
 175 static void __init ks8695_add_device_watchdog(void) {}
 176 #endif
 177
 178
 179 /* --------------------------------------------------------------------
 180  *  LEDs
 181  * -------------------------------------------------------------------- */
 182
 183 #if defined(CONFIG_LEDS)
 184 short ks8695_leds_cpu = -1;
 185 short ks8695_leds_timer = -1;
 186
 187 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
 188 {
 189         /* Enable GPIO to access the LEDs */
 190         gpio_direction_output(cpu_led, 1);
 191         gpio_direction_output(timer_led, 1);
 192
 193         ks8695_leds_cpu   = cpu_led;
 194         ks8695_leds_timer = timer_led;
 195 }
 196 #else
 197 void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
 198 #endif
 199
 200 /* -------------------------------------------------------------------- */
 201
 202 /*
 203  * These devices are always present and don't need any board-specific
 204  * setup.
 205  */
 206 static int __init ks8695_add_standard_devices(void)
 207 {
 208         ks8695_add_device_watchdog();
 209         return 0;
 210 }
 211
 212 arch_initcall(ks8695_add_standard_devices);