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 #include <cpu/serial.h>
  19
  20 enum {
  21         UNUSED = 0,
  22
  23         /* interrupt sources */
  24         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  25         PINT07, PINT815,
  26
  27         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  28
  29         TPU0, TPU1, TPU2, TPU3,
  30         TMU0, TMU1, TMU2,
  31
  32         RTC, WDT, REF_RCMI,
  33 };
  34
  35 static struct intc_vect vectors[] __initdata = {
  36         /* IRQ0->5 are handled in setup-sh3.c */
  37         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  38         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  39         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  40         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  41         INTC_VECT(SCIF0, 0x8e0),
  42         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  43         INTC_VECT(SCIF2, 0x960),
  44         INTC_VECT(ADC_ADI, 0x980),
  45         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  46         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  47         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  48         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  49         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  50         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  51         INTC_VECT(RTC, 0x4c0),
  52         INTC_VECT(WDT, 0x560),
  53         INTC_VECT(REF_RCMI, 0x580),
  54 };
  55
  56 static struct intc_prio_reg prio_registers[] __initdata = {
  57         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  58         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  59         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  60         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  61         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  62         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  63         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  64         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  65
  66 };
  67
  68 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  69                          NULL, prio_registers, NULL);
  70
  71 static struct plat_sci_port scif0_platform_data = {
  72         .mapbase        = 0xa4410000,
  73         .flags          = UPF_BOOT_AUTOCONF,
  74         .scscr          = SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
  75                           SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
  76         .scbrr_algo_id  = SCBRR_ALGO_4,
  77         .type           = PORT_SCIF,
  78         .irqs           = { 56, 56, 56 },
  79         .ops            = &sh770x_sci_port_ops,
  80         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  81 };
  82
  83 static struct platform_device scif0_device = {
  84         .name           = "sh-sci",
  85         .id             = 0,
  86         .dev            = {
  87                 .platform_data  = &scif0_platform_data,
  88         },
  89 };
  90
  91 static struct plat_sci_port scif1_platform_data = {
  92         .mapbase        = 0xa4400000,
  93         .flags          = UPF_BOOT_AUTOCONF,
  94         .scscr          = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
  95         .scbrr_algo_id  = SCBRR_ALGO_4,
  96         .type           = PORT_SCIF,
  97         .irqs           = { 52, 52, 52 },
  98         .ops            = &sh770x_sci_port_ops,
  99         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
 100 };
 101
 102 static struct platform_device scif1_device = {
 103         .name           = "sh-sci",
 104         .id             = 1,
 105         .dev            = {
 106                 .platform_data  = &scif1_platform_data,
 107         },
 108 };
 109
 110 static struct resource rtc_resources[] = {
 111         [0] =   {
 112                 .start  = 0xfffffec0,
 113                 .end    = 0xfffffec0 + 0x1e,
 114                 .flags  = IORESOURCE_IO,
 115         },
 116         [1] =   {
 117                 .start  = 20,
 118                 .flags  = IORESOURCE_IRQ,
 119         },
 120 };
 121
 122 static struct sh_rtc_platform_info rtc_info = {
 123         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 124 };
 125
 126 static struct platform_device rtc_device = {
 127         .name           = "sh-rtc",
 128         .id             = -1,
 129         .num_resources  = ARRAY_SIZE(rtc_resources),
 130         .resource       = rtc_resources,
 131         .dev            = {
 132                 .platform_data = &rtc_info,
 133         },
 134 };
 135
 136 static struct sh_timer_config tmu0_platform_data = {
 137         .channel_offset = 0x02,
 138         .timer_bit = 0,
 139         .clockevent_rating = 200,
 140 };
 141
 142 static struct resource tmu0_resources[] = {
 143         [0] = {
 144                 .start  = 0xfffffe94,
 145                 .end    = 0xfffffe9f,
 146                 .flags  = IORESOURCE_MEM,
 147         },
 148         [1] = {
 149                 .start  = 16,
 150                 .flags  = IORESOURCE_IRQ,
 151         },
 152 };
 153
 154 static struct platform_device tmu0_device = {
 155         .name           = "sh_tmu",
 156         .id             = 0,
 157         .dev = {
 158                 .platform_data  = &tmu0_platform_data,
 159         },
 160         .resource       = tmu0_resources,
 161         .num_resources  = ARRAY_SIZE(tmu0_resources),
 162 };
 163
 164 static struct sh_timer_config tmu1_platform_data = {
 165         .channel_offset = 0xe,
 166         .timer_bit = 1,
 167         .clocksource_rating = 200,
 168 };
 169
 170 static struct resource tmu1_resources[] = {
 171         [0] = {
 172                 .start  = 0xfffffea0,
 173                 .end    = 0xfffffeab,
 174                 .flags  = IORESOURCE_MEM,
 175         },
 176         [1] = {
 177                 .start  = 17,
 178                 .flags  = IORESOURCE_IRQ,
 179         },
 180 };
 181
 182 static struct platform_device tmu1_device = {
 183         .name           = "sh_tmu",
 184         .id             = 1,
 185         .dev = {
 186                 .platform_data  = &tmu1_platform_data,
 187         },
 188         .resource       = tmu1_resources,
 189         .num_resources  = ARRAY_SIZE(tmu1_resources),
 190 };
 191
 192 static struct sh_timer_config tmu2_platform_data = {
 193         .channel_offset = 0x1a,
 194         .timer_bit = 2,
 195 };
 196
 197 static struct resource tmu2_resources[] = {
 198         [0] = {
 199                 .start  = 0xfffffeac,
 200                 .end    = 0xfffffebb,
 201                 .flags  = IORESOURCE_MEM,
 202         },
 203         [1] = {
 204                 .start  = 18,
 205                 .flags  = IORESOURCE_IRQ,
 206         },
 207 };
 208
 209 static struct platform_device tmu2_device = {
 210         .name           = "sh_tmu",
 211         .id             = 2,
 212         .dev = {
 213                 .platform_data  = &tmu2_platform_data,
 214         },
 215         .resource       = tmu2_resources,
 216         .num_resources  = ARRAY_SIZE(tmu2_resources),
 217 };
 218
 219 static struct platform_device *sh7705_devices[] __initdata = {
 220         &scif0_device,
 221         &scif1_device,
 222         &tmu0_device,
 223         &tmu1_device,
 224         &tmu2_device,
 225         &rtc_device,
 226 };
 227
 228 static int __init sh7705_devices_setup(void)
 229 {
 230         return platform_add_devices(sh7705_devices,
 231                                     ARRAY_SIZE(sh7705_devices));
 232 }
 233 arch_initcall(sh7705_devices_setup);
 234
 235 static struct platform_device *sh7705_early_devices[] __initdata = {
 236         &scif0_device,
 237         &scif1_device,
 238         &tmu0_device,
 239         &tmu1_device,
 240         &tmu2_device,
 241 };
 242
 243 void __init plat_early_device_setup(void)
 244 {
 245         early_platform_add_devices(sh7705_early_devices,
 246                                    ARRAY_SIZE(sh7705_early_devices));
 247 }
 248
 249 void __init plat_irq_setup(void)
 250 {
 251         register_intc_controller(&intc_desc);
 252         plat_irq_setup_sh3();
 253 }