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         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
  23         .scbrr_algo_id  = SCBRR_ALGO_2,
  24         .type           = PORT_SCIF,
  25         .irqs           = { 39, 40, 42, 0 },
  26 };
  27
  28 static struct platform_device scif0_device = {
  29         .name           = "sh-sci",
  30         .id             = 0,
  31         .dev            = {
  32                 .platform_data  = &scif0_platform_data,
  33         },
  34 };
  35
  36 static struct resource rtc_resources[] = {
  37         [0] = {
  38                 .start  = PHYS_PERIPHERAL_BLOCK + 0x01040000,
  39                 .end    = PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
  40                 .flags  = IORESOURCE_IO,
  41         },
  42         [1] = {
  43                 /* Period IRQ */
  44                 .start  = IRQ_PRI,
  45                 .flags  = IORESOURCE_IRQ,
  46         },
  47         [2] = {
  48                 /* Carry IRQ */
  49                 .start  = IRQ_CUI,
  50                 .flags  = IORESOURCE_IRQ,
  51         },
  52         [3] = {
  53                 /* Alarm IRQ */
  54                 .start  = IRQ_ATI,
  55                 .flags  = IORESOURCE_IRQ,
  56         },
  57 };
  58
  59 static struct platform_device rtc_device = {
  60         .name           = "sh-rtc",
  61         .id             = -1,
  62         .num_resources  = ARRAY_SIZE(rtc_resources),
  63         .resource       = rtc_resources,
  64 };
  65
  66 #define TMU_BLOCK_OFF   0x01020000
  67 #define TMU_BASE        PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
  68 #define TMU0_BASE       (TMU_BASE + 0x8 + (0xc * 0x0))
  69 #define TMU1_BASE       (TMU_BASE + 0x8 + (0xc * 0x1))
  70 #define TMU2_BASE       (TMU_BASE + 0x8 + (0xc * 0x2))
  71
  72 static struct sh_timer_config tmu0_platform_data = {
  73         .channel_offset = 0x04,
  74         .timer_bit = 0,
  75         .clockevent_rating = 200,
  76 };
  77
  78 static struct resource tmu0_resources[] = {
  79         [0] = {
  80                 .start  = TMU0_BASE,
  81                 .end    = TMU0_BASE + 0xc - 1,
  82                 .flags  = IORESOURCE_MEM,
  83         },
  84         [1] = {
  85                 .start  = IRQ_TUNI0,
  86                 .flags  = IORESOURCE_IRQ,
  87         },
  88 };
  89
  90 static struct platform_device tmu0_device = {
  91         .name           = "sh_tmu",
  92         .id             = 0,
  93         .dev = {
  94                 .platform_data  = &tmu0_platform_data,
  95         },
  96         .resource       = tmu0_resources,
  97         .num_resources  = ARRAY_SIZE(tmu0_resources),
  98 };
  99
 100 static struct sh_timer_config tmu1_platform_data = {
 101         .channel_offset = 0x10,
 102         .timer_bit = 1,
 103         .clocksource_rating = 200,
 104 };
 105
 106 static struct resource tmu1_resources[] = {
 107         [0] = {
 108                 .start  = TMU1_BASE,
 109                 .end    = TMU1_BASE + 0xc - 1,
 110                 .flags  = IORESOURCE_MEM,
 111         },
 112         [1] = {
 113                 .start  = IRQ_TUNI1,
 114                 .flags  = IORESOURCE_IRQ,
 115         },
 116 };
 117
 118 static struct platform_device tmu1_device = {
 119         .name           = "sh_tmu",
 120         .id             = 1,
 121         .dev = {
 122                 .platform_data  = &tmu1_platform_data,
 123         },
 124         .resource       = tmu1_resources,
 125         .num_resources  = ARRAY_SIZE(tmu1_resources),
 126 };
 127
 128 static struct sh_timer_config tmu2_platform_data = {
 129         .channel_offset = 0x1c,
 130         .timer_bit = 2,
 131 };
 132
 133 static struct resource tmu2_resources[] = {
 134         [0] = {
 135                 .start  = TMU2_BASE,
 136                 .end    = TMU2_BASE + 0xc - 1,
 137                 .flags  = IORESOURCE_MEM,
 138         },
 139         [1] = {
 140                 .start  = IRQ_TUNI2,
 141                 .flags  = IORESOURCE_IRQ,
 142         },
 143 };
 144
 145 static struct platform_device tmu2_device = {
 146         .name           = "sh_tmu",
 147         .id             = 2,
 148         .dev = {
 149                 .platform_data  = &tmu2_platform_data,
 150         },
 151         .resource       = tmu2_resources,
 152         .num_resources  = ARRAY_SIZE(tmu2_resources),
 153 };
 154
 155 static struct platform_device *sh5_early_devices[] __initdata = {
 156         &scif0_device,
 157         &tmu0_device,
 158         &tmu1_device,
 159         &tmu2_device,
 160 };
 161
 162 static struct platform_device *sh5_devices[] __initdata = {
 163         &rtc_device,
 164 };
 165
 166 static int __init sh5_devices_setup(void)
 167 {
 168         int ret;
 169
 170         ret = platform_add_devices(sh5_early_devices,
 171                                    ARRAY_SIZE(sh5_early_devices));
 172         if (unlikely(ret != 0))
 173                 return ret;
 174
 175         return platform_add_devices(sh5_devices,
 176                                     ARRAY_SIZE(sh5_devices));
 177 }
 178 arch_initcall(sh5_devices_setup);
 179
 180 void __init plat_early_device_setup(void)
 181 {
 182         early_platform_add_devices(sh5_early_devices,
 183                                    ARRAY_SIZE(sh5_early_devices));
 184 }