arch/arm/mach-ux500/cpu-db5500.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
   5  * License terms: GNU General Public License (GPL) version 2
   6  */
   7
   8 #include <linux/platform_device.h>
   9 #include <linux/amba/bus.h>
  10 #include <linux/io.h>
  11
  12 #include <asm/mach/map.h>
  13
  14 #include <mach/hardware.h>
  15 #include <mach/devices.h>
  16 #include <mach/setup.h>
  17 #include <mach/irqs.h>
  18
  19 static struct map_desc u5500_io_desc[] __initdata = {
  20         __IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
  21         __IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
  22         __IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
  23         __IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
  24         __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
  25         __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
  26 };
  27
  28 static struct resource mbox0_resources[] = {
  29         {
  30                 .name = "mbox_peer",
  31                 .start = U5500_MBOX0_PEER_START,
  32                 .end = U5500_MBOX0_PEER_END,
  33                 .flags = IORESOURCE_MEM,
  34         },
  35         {
  36                 .name = "mbox_local",
  37                 .start = U5500_MBOX0_LOCAL_START,
  38                 .end = U5500_MBOX0_LOCAL_END,
  39                 .flags = IORESOURCE_MEM,
  40         },
  41         {
  42                 .name = "mbox_irq",
  43                 .start = MBOX_PAIR0_VIRT_IRQ,
  44                 .end = MBOX_PAIR0_VIRT_IRQ,
  45                 .flags = IORESOURCE_IRQ,
  46         }
  47 };
  48
  49 static struct resource mbox1_resources[] = {
  50         {
  51                 .name = "mbox_peer",
  52                 .start = U5500_MBOX1_PEER_START,
  53                 .end = U5500_MBOX1_PEER_END,
  54                 .flags = IORESOURCE_MEM,
  55         },
  56         {
  57                 .name = "mbox_local",
  58                 .start = U5500_MBOX1_LOCAL_START,
  59                 .end = U5500_MBOX1_LOCAL_END,
  60                 .flags = IORESOURCE_MEM,
  61         },
  62         {
  63                 .name = "mbox_irq",
  64                 .start = MBOX_PAIR1_VIRT_IRQ,
  65                 .end = MBOX_PAIR1_VIRT_IRQ,
  66                 .flags = IORESOURCE_IRQ,
  67         }
  68 };
  69
  70 static struct resource mbox2_resources[] = {
  71         {
  72                 .name = "mbox_peer",
  73                 .start = U5500_MBOX2_PEER_START,
  74                 .end = U5500_MBOX2_PEER_END,
  75                 .flags = IORESOURCE_MEM,
  76         },
  77         {
  78                 .name = "mbox_local",
  79                 .start = U5500_MBOX2_LOCAL_START,
  80                 .end = U5500_MBOX2_LOCAL_END,
  81                 .flags = IORESOURCE_MEM,
  82         },
  83         {
  84                 .name = "mbox_irq",
  85                 .start = MBOX_PAIR2_VIRT_IRQ,
  86                 .end = MBOX_PAIR2_VIRT_IRQ,
  87                 .flags = IORESOURCE_IRQ,
  88         }
  89 };
  90
  91 static struct platform_device mbox0_device = {
  92         .id = 0,
  93         .name = "mbox",
  94         .resource = mbox0_resources,
  95         .num_resources = ARRAY_SIZE(mbox0_resources),
  96 };
  97
  98 static struct platform_device mbox1_device = {
  99         .id = 1,
 100         .name = "mbox",
 101         .resource = mbox1_resources,
 102         .num_resources = ARRAY_SIZE(mbox1_resources),
 103 };
 104
 105 static struct platform_device mbox2_device = {
 106         .id = 2,
 107         .name = "mbox",
 108         .resource = mbox2_resources,
 109         .num_resources = ARRAY_SIZE(mbox2_resources),
 110 };
 111
 112 static struct platform_device *u5500_platform_devs[] __initdata = {
 113         &u5500_gpio_devs[0],
 114         &u5500_gpio_devs[1],
 115         &u5500_gpio_devs[2],
 116         &u5500_gpio_devs[3],
 117         &u5500_gpio_devs[4],
 118         &u5500_gpio_devs[5],
 119         &u5500_gpio_devs[6],
 120         &u5500_gpio_devs[7],
 121         &mbox0_device,
 122         &mbox1_device,
 123         &mbox2_device,
 124 };
 125
 126 void __init u5500_map_io(void)
 127 {
 128         ux500_map_io();
 129
 130         iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
 131 }
 132
 133 void __init u5500_init_devices(void)
 134 {
 135         ux500_init_devices();
 136
 137         platform_add_devices(u5500_platform_devs,
 138                              ARRAY_SIZE(u5500_platform_devs));
 139 }