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/module.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/reboot.h>
  19 #include <linux/time.h>
  20 #include <linux/io.h>
  21 #include <linux/gpio.h>
  22 #include <linux/leds.h>
  23
  24 #include <asm/bootinfo.h>
  25 #include <asm/irq.h>
  26
  27 #include <lantiq_soc.h>
  28
  29 #include "devices.h"
  30
  31 /* nor flash */
  32 static struct resource ltq_nor_resource = {
  33         .name   = "nor",
  34         .start  = LTQ_FLASH_START,
  35         .end    = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
  36         .flags  = IORESOURCE_MEM,
  37 };
  38
  39 static struct platform_device ltq_nor = {
  40         .name           = "ltq_nor",
  41         .resource       = &ltq_nor_resource,
  42         .num_resources  = 1,
  43 };
  44
  45 void __init ltq_register_nor(struct physmap_flash_data *data)
  46 {
  47         ltq_nor.dev.platform_data = data;
  48         platform_device_register(&ltq_nor);
  49 }
  50
  51 /* watchdog */
  52 static struct resource ltq_wdt_resource = {
  53         .name   = "watchdog",
  54         .start  = LTQ_WDT_BASE_ADDR,
  55         .end    = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
  56         .flags  = IORESOURCE_MEM,
  57 };
  58
  59 void __init ltq_register_wdt(void)
  60 {
  61         platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
  62 }
  63
  64 /* asc ports */
  65 static struct resource ltq_asc0_resources[] = {
  66         {
  67                 .name   = "asc0",
  68                 .start  = LTQ_ASC0_BASE_ADDR,
  69                 .end    = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
  70                 .flags  = IORESOURCE_MEM,
  71         },
  72         IRQ_RES(tx, LTQ_ASC_TIR(0)),
  73         IRQ_RES(rx, LTQ_ASC_RIR(0)),
  74         IRQ_RES(err, LTQ_ASC_EIR(0)),
  75 };
  76
  77 static struct resource ltq_asc1_resources[] = {
  78         {
  79                 .name   = "asc1",
  80                 .start  = LTQ_ASC1_BASE_ADDR,
  81                 .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
  82                 .flags  = IORESOURCE_MEM,
  83         },
  84         IRQ_RES(tx, LTQ_ASC_TIR(1)),
  85         IRQ_RES(rx, LTQ_ASC_RIR(1)),
  86         IRQ_RES(err, LTQ_ASC_EIR(1)),
  87 };
  88
  89 void __init ltq_register_asc(int port)
  90 {
  91         switch (port) {
  92         case 0:
  93                 platform_device_register_simple("ltq_asc", 0,
  94                         ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
  95                 break;
  96         case 1:
  97                 platform_device_register_simple("ltq_asc", 1,
  98                         ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
  99                 break;
 100         default:
 101                 break;
 102         }
 103 }
 104
 105 #ifdef CONFIG_PCI
 106 /* pci */
 107 static struct platform_device ltq_pci = {
 108         .name           = "ltq_pci",
 109         .num_resources  = 0,
 110 };
 111
 112 void __init ltq_register_pci(struct ltq_pci_data *data)
 113 {
 114         ltq_pci.dev.platform_data = data;
 115         platform_device_register(&ltq_pci);
 116 }
 117 #else
 118 void __init ltq_register_pci(struct ltq_pci_data *data)
 119 {
 120         pr_err("kernel is compiled without PCI support\n");
 121 }
 122 #endif