release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/kernel/cpu/sh5/setup-sh5.c

   1 /*
   2  * SH5-101/SH5-103 CPU Setup
   3  *
   4  *  Copyright (C) 2009  Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/platform_device.h>
  11 #include <linux/init.h>
  12 #include <linux/serial.h>
  13 #include <linux/serial_sci.h>
  14 #include <linux/io.h>
  15 #include <linux/mm.h>
  16 #include <linux/sh_timer.h>
  17 #include <asm/addrspace.h>
  18
  19 static struct plat_sci_port scif0_platform_data = {
  20         .mapbase        = PHYS_PERIPHERAL_BLOCK + 0x01030000,
  21         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  22         .type           = PORT_SCIF,
  23         .irqs           = { 39, 40, 42, 0 },
  24 };
  25
  26 static struct platform_device scif0_device = {
  27         .name           = "sh-sci",
  28         .id             = 0,
  29         .dev            = {
  30                 .platform_data  = &scif0_platform_data,
  31         },
  32 };
  33
  34 static struct resource rtc_resources[] = {
  35         [0] = {
  36                 .start  = PHYS_PERIPHERAL_BLOCK + 0x01040000,
  37                 .end    = PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
  38                 .flags  = IORESOURCE_IO,
  39         },
  40         [1] = {
  41                 /* Period IRQ */
  42                 .start  = IRQ_PRI,
  43                 .flags  = IORESOURCE_IRQ,
  44         },
  45         [2] = {
  46                 /* Carry IRQ */
  47                 .start  = IRQ_CUI,
  48                 .flags  = IORESOURCE_IRQ,
  49         },
  50         [3] = {
  51                 /* Alarm IRQ */
  52                 .start  = IRQ_ATI,
  53                 .flags  = IORESOURCE_IRQ,
  54         },
  55 };
  56
  57 static struct platform_device rtc_device = {
  58         .name           = "sh-rtc",
  59         .id             = -1,
  60         .num_resources  = ARRAY_SIZE(rtc_resources),
  61         .resource       = rtc_resources,
  62 };
  63
  64 #define TMU_BLOCK_OFF   0x01020000
  65 #define TMU_BASE        PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
  66 #define TMU0_BASE       (TMU_BASE + 0x8 + (0xc * 0x0))
  67 #define TMU1_BASE       (TMU_BASE + 0x8 + (0xc * 0x1))
  68 #define TMU2_BASE       (TMU_BASE + 0x8 + (0xc * 0x2))
  69
  70 static struct sh_timer_config tmu0_platform_data = {
  71         .channel_offset = 0x04,
  72         .timer_bit = 0,
  73         .clockevent_rating = 200,
  74 };
  75
  76 static struct resource tmu0_resources[] = {
  77         [0] = {
  78                 .start  = TMU0_BASE,
  79                 .end    = TMU0_BASE + 0xc - 1,
  80                 .flags  = IORESOURCE_MEM,
  81         },
  82         [1] = {
  83                 .start  = IRQ_TUNI0,
  84                 .flags  = IORESOURCE_IRQ,
  85         },
  86 };
  87
  88 static struct platform_device tmu0_device = {
  89         .name           = "sh_tmu",
  90         .id             = 0,
  91         .dev = {
  92                 .platform_data  = &tmu0_platform_data,
  93         },
  94         .resource       = tmu0_resources,
  95         .num_resources  = ARRAY_SIZE(tmu0_resources),
  96 };
  97
  98 static struct sh_timer_config tmu1_platform_data = {
  99         .channel_offset = 0x10,
 100         .timer_bit = 1,
 101         .clocksource_rating = 200,
 102 };
 103
 104 static struct resource tmu1_resources[] = {
 105         [0] = {
 106                 .start  = TMU1_BASE,
 107                 .end    = TMU1_BASE + 0xc - 1,
 108                 .flags  = IORESOURCE_MEM,
 109         },
 110         [1] = {
 111                 .start  = IRQ_TUNI1,
 112                 .flags  = IORESOURCE_IRQ,
 113         },
 114 };
 115
 116 static struct platform_device tmu1_device = {
 117         .name           = "sh_tmu",
 118         .id             = 1,
 119         .dev = {
 120                 .platform_data  = &tmu1_platform_data,
 121         },
 122         .resource       = tmu1_resources,
 123         .num_resources  = ARRAY_SIZE(tmu1_resources),
 124 };
 125
 126 static struct sh_timer_config tmu2_platform_data = {
 127         .channel_offset = 0x1c,
 128         .timer_bit = 2,
 129 };
 130
 131 static struct resource tmu2_resources[] = {
 132         [0] = {
 133                 .start  = TMU2_BASE,
 134                 .end    = TMU2_BASE + 0xc - 1,
 135                 .flags  = IORESOURCE_MEM,
 136         },
 137         [1] = {
 138                 .start  = IRQ_TUNI2,
 139                 .flags  = IORESOURCE_IRQ,
 140         },
 141 };
 142
 143 static struct platform_device tmu2_device = {
 144         .name           = "sh_tmu",
 145         .id             = 2,
 146         .dev = {
 147                 .platform_data  = &tmu2_platform_data,
 148         },
 149         .resource       = tmu2_resources,
 150         .num_resources  = ARRAY_SIZE(tmu2_resources),
 151 };
 152
 153 static struct platform_device *sh5_early_devices[] __initdata = {
 154         &scif0_device,
 155         &tmu0_device,
 156         &tmu1_device,
 157         &tmu2_device,
 158 };
 159
 160 static struct platform_device *sh5_devices[] __initdata = {
 161         &rtc_device,
 162 };
 163
 164 static int __init sh5_devices_setup(void)
 165 {
 166         int ret;
 167
 168         ret = platform_add_devices(sh5_early_devices,
 169                                    ARRAY_SIZE(sh5_early_devices));
 170         if (unlikely(ret != 0))
 171                 return ret;
 172
 173         return platform_add_devices(sh5_devices,
 174                                     ARRAY_SIZE(sh5_devices));
 175 }
 176 arch_initcall(sh5_devices_setup);
 177
 178 void __init plat_early_device_setup(void)
 179 {
 180         early_platform_add_devices(sh5_early_devices,
 181                                    ARRAY_SIZE(sh5_early_devices));
 182 }