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         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  21         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
  22         .type           = PORT_SCIF,
  23 };
  24
  25 static struct resource scif0_resources[] = {
  26         DEFINE_RES_MEM(PHYS_PERIPHERAL_BLOCK + 0x01030000, 0x100),
  27         DEFINE_RES_IRQ(39),
  28         DEFINE_RES_IRQ(40),
  29         DEFINE_RES_IRQ(42),
  30 };
  31
  32 static struct platform_device scif0_device = {
  33         .name           = "sh-sci",
  34         .id             = 0,
  35         .resource       = scif0_resources,
  36         .num_resources  = ARRAY_SIZE(scif0_resources),
  37         .dev            = {
  38                 .platform_data  = &scif0_platform_data,
  39         },
  40 };
  41
  42 static struct resource rtc_resources[] = {
  43         [0] = {
  44                 .start  = PHYS_PERIPHERAL_BLOCK + 0x01040000,
  45                 .end    = PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
  46                 .flags  = IORESOURCE_IO,
  47         },
  48         [1] = {
  49                 /* Period IRQ */
  50                 .start  = IRQ_PRI,
  51                 .flags  = IORESOURCE_IRQ,
  52         },
  53         [2] = {
  54                 /* Carry IRQ */
  55                 .start  = IRQ_CUI,
  56                 .flags  = IORESOURCE_IRQ,
  57         },
  58         [3] = {
  59                 /* Alarm IRQ */
  60                 .start  = IRQ_ATI,
  61                 .flags  = IORESOURCE_IRQ,
  62         },
  63 };
  64
  65 static struct platform_device rtc_device = {
  66         .name           = "sh-rtc",
  67         .id             = -1,
  68         .num_resources  = ARRAY_SIZE(rtc_resources),
  69         .resource       = rtc_resources,
  70 };
  71
  72 #define TMU_BLOCK_OFF   0x01020000
  73 #define TMU_BASE        PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
  74 #define TMU0_BASE       (TMU_BASE + 0x8 + (0xc * 0x0))
  75 #define TMU1_BASE       (TMU_BASE + 0x8 + (0xc * 0x1))
  76 #define TMU2_BASE       (TMU_BASE + 0x8 + (0xc * 0x2))
  77
  78 static struct sh_timer_config tmu0_platform_data = {
  79         .channel_offset = 0x04,
  80         .timer_bit = 0,
  81         .clockevent_rating = 200,
  82 };
  83
  84 static struct resource tmu0_resources[] = {
  85         [0] = {
  86                 .start  = TMU0_BASE,
  87                 .end    = TMU0_BASE + 0xc - 1,
  88                 .flags  = IORESOURCE_MEM,
  89         },
  90         [1] = {
  91                 .start  = IRQ_TUNI0,
  92                 .flags  = IORESOURCE_IRQ,
  93         },
  94 };
  95
  96 static struct platform_device tmu0_device = {
  97         .name           = "sh_tmu",
  98         .id             = 0,
  99         .dev = {
 100                 .platform_data  = &tmu0_platform_data,
 101         },
 102         .resource       = tmu0_resources,
 103         .num_resources  = ARRAY_SIZE(tmu0_resources),
 104 };
 105
 106 static struct sh_timer_config tmu1_platform_data = {
 107         .channel_offset = 0x10,
 108         .timer_bit = 1,
 109         .clocksource_rating = 200,
 110 };
 111
 112 static struct resource tmu1_resources[] = {
 113         [0] = {
 114                 .start  = TMU1_BASE,
 115                 .end    = TMU1_BASE + 0xc - 1,
 116                 .flags  = IORESOURCE_MEM,
 117         },
 118         [1] = {
 119                 .start  = IRQ_TUNI1,
 120                 .flags  = IORESOURCE_IRQ,
 121         },
 122 };
 123
 124 static struct platform_device tmu1_device = {
 125         .name           = "sh_tmu",
 126         .id             = 1,
 127         .dev = {
 128                 .platform_data  = &tmu1_platform_data,
 129         },
 130         .resource       = tmu1_resources,
 131         .num_resources  = ARRAY_SIZE(tmu1_resources),
 132 };
 133
 134 static struct sh_timer_config tmu2_platform_data = {
 135         .channel_offset = 0x1c,
 136         .timer_bit = 2,
 137 };
 138
 139 static struct resource tmu2_resources[] = {
 140         [0] = {
 141                 .start  = TMU2_BASE,
 142                 .end    = TMU2_BASE + 0xc - 1,
 143                 .flags  = IORESOURCE_MEM,
 144         },
 145         [1] = {
 146                 .start  = IRQ_TUNI2,
 147                 .flags  = IORESOURCE_IRQ,
 148         },
 149 };
 150
 151 static struct platform_device tmu2_device = {
 152         .name           = "sh_tmu",
 153         .id             = 2,
 154         .dev = {
 155                 .platform_data  = &tmu2_platform_data,
 156         },
 157         .resource       = tmu2_resources,
 158         .num_resources  = ARRAY_SIZE(tmu2_resources),
 159 };
 160
 161 static struct platform_device *sh5_early_devices[] __initdata = {
 162         &scif0_device,
 163         &tmu0_device,
 164         &tmu1_device,
 165         &tmu2_device,
 166 };
 167
 168 static struct platform_device *sh5_devices[] __initdata = {
 169         &rtc_device,
 170 };
 171
 172 static int __init sh5_devices_setup(void)
 173 {
 174         int ret;
 175
 176         ret = platform_add_devices(sh5_early_devices,
 177                                    ARRAY_SIZE(sh5_early_devices));
 178         if (unlikely(ret != 0))
 179                 return ret;
 180
 181         return platform_add_devices(sh5_devices,
 182                                     ARRAY_SIZE(sh5_devices));
 183 }
 184 arch_initcall(sh5_devices_setup);
 185
 186 void __init plat_early_device_setup(void)
 187 {
 188         early_platform_add_devices(sh5_early_devices,
 189                                    ARRAY_SIZE(sh5_early_devices));
 190 }