arch/sh/kernel/cpu/sh3/setup-sh7705.c

   1 /*
   2  * SH7705 Setup
   3  *
   4  *  Copyright (C) 2006 - 2009  Paul Mundt
   5  *  Copyright (C) 2007  Nobuhiro Iwamatsu
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/platform_device.h>
  12 #include <linux/init.h>
  13 #include <linux/irq.h>
  14 #include <linux/serial.h>
  15 #include <linux/serial_sci.h>
  16 #include <linux/sh_timer.h>
  17 #include <asm/rtc.h>
  18
  19 enum {
  20         UNUSED = 0,
  21
  22         /* interrupt sources */
  23         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  24         PINT07, PINT815,
  25
  26         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  27
  28         TPU0, TPU1, TPU2, TPU3,
  29         TMU0, TMU1, TMU2,
  30
  31         RTC, WDT, REF_RCMI,
  32 };
  33
  34 static struct intc_vect vectors[] __initdata = {
  35         /* IRQ0->5 are handled in setup-sh3.c */
  36         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  37         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  38         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  39         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  40         INTC_VECT(SCIF0, 0x8e0),
  41         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  42         INTC_VECT(SCIF2, 0x960),
  43         INTC_VECT(ADC_ADI, 0x980),
  44         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  45         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  46         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  47         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  48         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  49         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  50         INTC_VECT(RTC, 0x4c0),
  51         INTC_VECT(WDT, 0x560),
  52         INTC_VECT(REF_RCMI, 0x580),
  53 };
  54
  55 static struct intc_prio_reg prio_registers[] __initdata = {
  56         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  57         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  58         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  59         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  60         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  61         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  62         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  63         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  64
  65 };
  66
  67 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  68                          NULL, prio_registers, NULL);
  69
  70 static struct plat_sci_port scif0_platform_data = {
  71         .mapbase        = 0xa4410000,
  72         .flags          = UPF_BOOT_AUTOCONF,
  73         .type           = PORT_SCIF,
  74         .irqs           = { 56, 56, 56 },
  75 };
  76
  77 static struct platform_device scif0_device = {
  78         .name           = "sh-sci",
  79         .id             = 0,
  80         .dev            = {
  81                 .platform_data  = &scif0_platform_data,
  82         },
  83 };
  84
  85 static struct plat_sci_port scif1_platform_data = {
  86         .mapbase        = 0xa4400000,
  87         .flags          = UPF_BOOT_AUTOCONF,
  88         .type           = PORT_SCIF,
  89         .irqs           = { 52, 52, 52 },
  90 };
  91
  92 static struct platform_device scif1_device = {
  93         .name           = "sh-sci",
  94         .id             = 1,
  95         .dev            = {
  96                 .platform_data  = &scif1_platform_data,
  97         },
  98 };
  99
 100 static struct resource rtc_resources[] = {
 101         [0] =   {
 102                 .start  = 0xfffffec0,
 103                 .end    = 0xfffffec0 + 0x1e,
 104                 .flags  = IORESOURCE_IO,
 105         },
 106         [1] =   {
 107                 .start  = 20,
 108                 .flags  = IORESOURCE_IRQ,
 109         },
 110 };
 111
 112 static struct sh_rtc_platform_info rtc_info = {
 113         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 114 };
 115
 116 static struct platform_device rtc_device = {
 117         .name           = "sh-rtc",
 118         .id             = -1,
 119         .num_resources  = ARRAY_SIZE(rtc_resources),
 120         .resource       = rtc_resources,
 121         .dev            = {
 122                 .platform_data = &rtc_info,
 123         },
 124 };
 125
 126 static struct sh_timer_config tmu0_platform_data = {
 127         .channel_offset = 0x02,
 128         .timer_bit = 0,
 129         .clockevent_rating = 200,
 130 };
 131
 132 static struct resource tmu0_resources[] = {
 133         [0] = {
 134                 .start  = 0xfffffe94,
 135                 .end    = 0xfffffe9f,
 136                 .flags  = IORESOURCE_MEM,
 137         },
 138         [1] = {
 139                 .start  = 16,
 140                 .flags  = IORESOURCE_IRQ,
 141         },
 142 };
 143
 144 static struct platform_device tmu0_device = {
 145         .name           = "sh_tmu",
 146         .id             = 0,
 147         .dev = {
 148                 .platform_data  = &tmu0_platform_data,
 149         },
 150         .resource       = tmu0_resources,
 151         .num_resources  = ARRAY_SIZE(tmu0_resources),
 152 };
 153
 154 static struct sh_timer_config tmu1_platform_data = {
 155         .channel_offset = 0xe,
 156         .timer_bit = 1,
 157         .clocksource_rating = 200,
 158 };
 159
 160 static struct resource tmu1_resources[] = {
 161         [0] = {
 162                 .start  = 0xfffffea0,
 163                 .end    = 0xfffffeab,
 164                 .flags  = IORESOURCE_MEM,
 165         },
 166         [1] = {
 167                 .start  = 17,
 168                 .flags  = IORESOURCE_IRQ,
 169         },
 170 };
 171
 172 static struct platform_device tmu1_device = {
 173         .name           = "sh_tmu",
 174         .id             = 1,
 175         .dev = {
 176                 .platform_data  = &tmu1_platform_data,
 177         },
 178         .resource       = tmu1_resources,
 179         .num_resources  = ARRAY_SIZE(tmu1_resources),
 180 };
 181
 182 static struct sh_timer_config tmu2_platform_data = {
 183         .channel_offset = 0x1a,
 184         .timer_bit = 2,
 185 };
 186
 187 static struct resource tmu2_resources[] = {
 188         [0] = {
 189                 .start  = 0xfffffeac,
 190                 .end    = 0xfffffebb,
 191                 .flags  = IORESOURCE_MEM,
 192         },
 193         [1] = {
 194                 .start  = 18,
 195                 .flags  = IORESOURCE_IRQ,
 196         },
 197 };
 198
 199 static struct platform_device tmu2_device = {
 200         .name           = "sh_tmu",
 201         .id             = 2,
 202         .dev = {
 203                 .platform_data  = &tmu2_platform_data,
 204         },
 205         .resource       = tmu2_resources,
 206         .num_resources  = ARRAY_SIZE(tmu2_resources),
 207 };
 208
 209 static struct platform_device *sh7705_devices[] __initdata = {
 210         &scif0_device,
 211         &scif1_device,
 212         &tmu0_device,
 213         &tmu1_device,
 214         &tmu2_device,
 215         &rtc_device,
 216 };
 217
 218 static int __init sh7705_devices_setup(void)
 219 {
 220         return platform_add_devices(sh7705_devices,
 221                                     ARRAY_SIZE(sh7705_devices));
 222 }
 223 arch_initcall(sh7705_devices_setup);
 224
 225 static struct platform_device *sh7705_early_devices[] __initdata = {
 226         &scif0_device,
 227         &scif1_device,
 228         &tmu0_device,
 229         &tmu1_device,
 230         &tmu2_device,
 231 };
 232
 233 void __init plat_early_device_setup(void)
 234 {
 235         early_platform_add_devices(sh7705_early_devices,
 236                                    ARRAY_SIZE(sh7705_early_devices));
 237 }
 238
 239 void __init plat_irq_setup(void)
 240 {
 241         register_intc_controller(&intc_desc);
 242         plat_irq_setup_sh3();
 243 }