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         .clk = "peripheral_clk",
  74         .clockevent_rating = 200,
  75 };
  76
  77 static struct resource tmu0_resources[] = {
  78         [0] = {
  79                 .start  = TMU0_BASE,
  80                 .end    = TMU0_BASE + 0xc - 1,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83         [1] = {
  84                 .start  = IRQ_TUNI0,
  85                 .flags  = IORESOURCE_IRQ,
  86         },
  87 };
  88
  89 static struct platform_device tmu0_device = {
  90         .name           = "sh_tmu",
  91         .id             = 0,
  92         .dev = {
  93                 .platform_data  = &tmu0_platform_data,
  94         },
  95         .resource       = tmu0_resources,
  96         .num_resources  = ARRAY_SIZE(tmu0_resources),
  97 };
  98
  99 static struct sh_timer_config tmu1_platform_data = {
 100         .channel_offset = 0x10,
 101         .timer_bit = 1,
 102         .clk = "peripheral_clk",
 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         .clk = "peripheral_clk",
 132 };
 133
 134 static struct resource tmu2_resources[] = {
 135         [0] = {
 136                 .start  = TMU2_BASE,
 137                 .end    = TMU2_BASE + 0xc - 1,
 138                 .flags  = IORESOURCE_MEM,
 139         },
 140         [1] = {
 141                 .start  = IRQ_TUNI2,
 142                 .flags  = IORESOURCE_IRQ,
 143         },
 144 };
 145
 146 static struct platform_device tmu2_device = {
 147         .name           = "sh_tmu",
 148         .id             = 2,
 149         .dev = {
 150                 .platform_data  = &tmu2_platform_data,
 151         },
 152         .resource       = tmu2_resources,
 153         .num_resources  = ARRAY_SIZE(tmu2_resources),
 154 };
 155
 156 static struct platform_device *sh5_early_devices[] __initdata = {
 157         &scif0_device,
 158         &tmu0_device,
 159         &tmu1_device,
 160         &tmu2_device,
 161 };
 162
 163 static struct platform_device *sh5_devices[] __initdata = {
 164         &rtc_device,
 165 };
 166
 167 static int __init sh5_devices_setup(void)
 168 {
 169         int ret;
 170
 171         ret = platform_add_devices(sh5_early_devices,
 172                                    ARRAY_SIZE(sh5_early_devices));
 173         if (unlikely(ret != 0))
 174                 return ret;
 175
 176         return platform_add_devices(sh5_devices,
 177                                     ARRAY_SIZE(sh5_devices));
 178 }
 179 arch_initcall(sh5_devices_setup);
 180
 181 void __init plat_early_device_setup(void)
 182 {
 183         early_platform_add_devices(sh5_early_devices,
 184                                    ARRAY_SIZE(sh5_early_devices));
 185 }