arch/mips/lantiq/devices.c

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify it
   3  *  under the terms of the GNU General Public License version 2 as published
   4  *  by the Free Software Foundation.
   5  *
   6  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/export.h>
  11 #include <linux/types.h>
  12 #include <linux/string.h>
  13 #include <linux/kernel.h>
  14 #include <linux/reboot.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/leds.h>
  17 #include <linux/etherdevice.h>
  18 #include <linux/time.h>
  19 #include <linux/io.h>
  20 #include <linux/gpio.h>
  21
  22 #include <asm/bootinfo.h>
  23 #include <asm/irq.h>
  24
  25 #include <lantiq_soc.h>
  26
  27 #include "devices.h"
  28
  29 /* nor flash */
  30 static struct resource ltq_nor_resource = {
  31         .name   = "nor",
  32         .start  = LTQ_FLASH_START,
  33         .end    = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
  34         .flags  = IORESOURCE_MEM,
  35 };
  36
  37 static struct platform_device ltq_nor = {
  38         .name           = "ltq_nor",
  39         .resource       = &ltq_nor_resource,
  40         .num_resources  = 1,
  41 };
  42
  43 void __init ltq_register_nor(struct physmap_flash_data *data)
  44 {
  45         ltq_nor.dev.platform_data = data;
  46         platform_device_register(&ltq_nor);
  47 }
  48
  49 /* watchdog */
  50 static struct resource ltq_wdt_resource = {
  51         .name   = "watchdog",
  52         .start  = LTQ_WDT_BASE_ADDR,
  53         .end    = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
  54         .flags  = IORESOURCE_MEM,
  55 };
  56
  57 void __init ltq_register_wdt(void)
  58 {
  59         platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
  60 }
  61
  62 /* asc ports */
  63 static struct resource ltq_asc0_resources[] = {
  64         {
  65                 .name   = "asc0",
  66                 .start  = LTQ_ASC0_BASE_ADDR,
  67                 .end    = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
  68                 .flags  = IORESOURCE_MEM,
  69         },
  70         IRQ_RES(tx, LTQ_ASC_TIR(0)),
  71         IRQ_RES(rx, LTQ_ASC_RIR(0)),
  72         IRQ_RES(err, LTQ_ASC_EIR(0)),
  73 };
  74
  75 static struct resource ltq_asc1_resources[] = {
  76         {
  77                 .name   = "asc1",
  78                 .start  = LTQ_ASC1_BASE_ADDR,
  79                 .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
  80                 .flags  = IORESOURCE_MEM,
  81         },
  82         IRQ_RES(tx, LTQ_ASC_TIR(1)),
  83         IRQ_RES(rx, LTQ_ASC_RIR(1)),
  84         IRQ_RES(err, LTQ_ASC_EIR(1)),
  85 };
  86
  87 void __init ltq_register_asc(int port)
  88 {
  89         switch (port) {
  90         case 0:
  91                 platform_device_register_simple("ltq_asc", 0,
  92                         ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
  93                 break;
  94         case 1:
  95                 platform_device_register_simple("ltq_asc", 1,
  96                         ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
  97                 break;
  98         default:
  99                 break;
 100         }
 101 }
 102
 103 #ifdef CONFIG_PCI
 104 /* pci */
 105 static struct platform_device ltq_pci = {
 106         .name           = "ltq_pci",
 107         .num_resources  = 0,
 108 };
 109
 110 void __init ltq_register_pci(struct ltq_pci_data *data)
 111 {
 112         ltq_pci.dev.platform_data = data;
 113         platform_device_register(&ltq_pci);
 114 }
 115 #else
 116 void __init ltq_register_pci(struct ltq_pci_data *data)
 117 {
 118         pr_err("kernel is compiled without PCI support\n");
 119 }
 120 #endif