arch/sh/kernel/cpu/sh3/setup-sh770x.c

   1 /*
   2  * SH3 Setup code for SH7706, SH7707, SH7708, SH7709
   3  *
   4  *  Copyright (C) 2007  Magnus Damm
   5  *  Copyright (C) 2009  Paul Mundt
   6  *
   7  * Based on setup-sh7709.c
   8  *
   9  *  Copyright (C) 2006  Paul Mundt
  10  *
  11  * This file is subject to the terms and conditions of the GNU General Public
  12  * License.  See the file "COPYING" in the main directory of this archive
  13  * for more details.
  14  */
  15 #include <linux/init.h>
  16 #include <linux/io.h>
  17 #include <linux/irq.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/serial.h>
  20 #include <linux/serial_sci.h>
  21 #include <linux/sh_timer.h>
  22
  23 enum {
  24         UNUSED = 0,
  25
  26         /* interrupt sources */
  27         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  28         PINT07, PINT815,
  29         DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
  30         LCDC, PCC0, PCC1,
  31         TMU0, TMU1, TMU2,
  32         RTC, WDT, REF,
  33 };
  34
  35 static struct intc_vect vectors[] __initdata = {
  36         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  37         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  38         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  39         INTC_VECT(RTC, 0x4c0),
  40         INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
  41         INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
  42         INTC_VECT(WDT, 0x560),
  43         INTC_VECT(REF, 0x580),
  44         INTC_VECT(REF, 0x5a0),
  45 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  46     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  47     defined(CONFIG_CPU_SUBTYPE_SH7709)
  48         /* IRQ0->5 are handled in setup-sh3.c */
  49         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  50         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  51         INTC_VECT(ADC_ADI, 0x980),
  52         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  53         INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
  54 #endif
  55 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  56     defined(CONFIG_CPU_SUBTYPE_SH7709)
  57         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  58         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  59         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  60 #endif
  61 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
  62         INTC_VECT(LCDC, 0x9a0),
  63         INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
  64 #endif
  65 };
  66
  67 static struct intc_prio_reg prio_registers[] __initdata = {
  68         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  69         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
  70 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  71     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  72     defined(CONFIG_CPU_SUBTYPE_SH7709)
  73         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  74         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  75         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
  76 #endif
  77 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  78     defined(CONFIG_CPU_SUBTYPE_SH7709)
  79         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
  80         { 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
  81 #endif
  82 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
  83         { 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
  84 #endif
  85 };
  86
  87 static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
  88                          NULL, prio_registers, NULL);
  89
  90 static struct resource rtc_resources[] = {
  91         [0] =   {
  92                 .start  = 0xfffffec0,
  93                 .end    = 0xfffffec0 + 0x1e,
  94                 .flags  = IORESOURCE_IO,
  95         },
  96         [1] =   {
  97                 .start  = 20,
  98                 .flags  = IORESOURCE_IRQ,
  99         },
 100 };
 101
 102 static struct platform_device rtc_device = {
 103         .name           = "sh-rtc",
 104         .id             = -1,
 105         .num_resources  = ARRAY_SIZE(rtc_resources),
 106         .resource       = rtc_resources,
 107 };
 108
 109 static struct plat_sci_port sci_platform_data[] = {
 110         {
 111                 .mapbase        = 0xfffffe80,
 112                 .flags          = UPF_BOOT_AUTOCONF,
 113                 .scscr          = SCSCR_TE | SCSCR_RE,
 114                 .scbrr_algo_id  = SCBRR_ALGO_2,
 115                 .type           = PORT_SCI,
 116                 .irqs           = { 23, 23, 23, 0 },
 117         },
 118 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 119     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 120     defined(CONFIG_CPU_SUBTYPE_SH7709)
 121         {
 122                 .mapbase        = 0xa4000150,
 123                 .flags          = UPF_BOOT_AUTOCONF,
 124                 .scscr          = SCSCR_TE | SCSCR_RE,
 125                 .scbrr_algo_id  = SCBRR_ALGO_2,
 126                 .type           = PORT_SCIF,
 127                 .irqs           = { 56, 56, 56, 56 },
 128         },
 129 #endif
 130 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 131     defined(CONFIG_CPU_SUBTYPE_SH7709)
 132         {
 133                 .mapbase        = 0xa4000140,
 134                 .flags          = UPF_BOOT_AUTOCONF,
 135                 .scscr          = SCSCR_TE | SCSCR_RE,
 136                 .scbrr_algo_id  = SCBRR_ALGO_2,
 137                 .type           = PORT_IRDA,
 138                 .irqs           = { 52, 52, 52, 52 },
 139         },
 140 #endif
 141         {
 142                 .flags = 0,
 143         }
 144 };
 145
 146 static struct platform_device sci_device = {
 147         .name           = "sh-sci",
 148         .id             = -1,
 149         .dev            = {
 150                 .platform_data  = sci_platform_data,
 151         },
 152 };
 153
 154 static struct sh_timer_config tmu0_platform_data = {
 155         .name = "TMU0",
 156         .channel_offset = 0x02,
 157         .timer_bit = 0,
 158         .clk = "peripheral_clk",
 159         .clockevent_rating = 200,
 160 };
 161
 162 static struct resource tmu0_resources[] = {
 163         [0] = {
 164                 .name   = "TMU0",
 165                 .start  = 0xfffffe94,
 166                 .end    = 0xfffffe9f,
 167                 .flags  = IORESOURCE_MEM,
 168         },
 169         [1] = {
 170                 .start  = 16,
 171                 .flags  = IORESOURCE_IRQ,
 172         },
 173 };
 174
 175 static struct platform_device tmu0_device = {
 176         .name           = "sh_tmu",
 177         .id             = 0,
 178         .dev = {
 179                 .platform_data  = &tmu0_platform_data,
 180         },
 181         .resource       = tmu0_resources,
 182         .num_resources  = ARRAY_SIZE(tmu0_resources),
 183 };
 184
 185 static struct sh_timer_config tmu1_platform_data = {
 186         .name = "TMU1",
 187         .channel_offset = 0xe,
 188         .timer_bit = 1,
 189         .clk = "peripheral_clk",
 190         .clocksource_rating = 200,
 191 };
 192
 193 static struct resource tmu1_resources[] = {
 194         [0] = {
 195                 .name   = "TMU1",
 196                 .start  = 0xfffffea0,
 197                 .end    = 0xfffffeab,
 198                 .flags  = IORESOURCE_MEM,
 199         },
 200         [1] = {
 201                 .start  = 17,
 202                 .flags  = IORESOURCE_IRQ,
 203         },
 204 };
 205
 206 static struct platform_device tmu1_device = {
 207         .name           = "sh_tmu",
 208         .id             = 1,
 209         .dev = {
 210                 .platform_data  = &tmu1_platform_data,
 211         },
 212         .resource       = tmu1_resources,
 213         .num_resources  = ARRAY_SIZE(tmu1_resources),
 214 };
 215
 216 static struct sh_timer_config tmu2_platform_data = {
 217         .name = "TMU2",
 218         .channel_offset = 0x1a,
 219         .timer_bit = 2,
 220         .clk = "peripheral_clk",
 221 };
 222
 223 static struct resource tmu2_resources[] = {
 224         [0] = {
 225                 .name   = "TMU2",
 226                 .start  = 0xfffffeac,
 227                 .end    = 0xfffffebb,
 228                 .flags  = IORESOURCE_MEM,
 229         },
 230         [1] = {
 231                 .start  = 18,
 232                 .flags  = IORESOURCE_IRQ,
 233         },
 234 };
 235
 236 static struct platform_device tmu2_device = {
 237         .name           = "sh_tmu",
 238         .id             = 2,
 239         .dev = {
 240                 .platform_data  = &tmu2_platform_data,
 241         },
 242         .resource       = tmu2_resources,
 243         .num_resources  = ARRAY_SIZE(tmu2_resources),
 244 };
 245
 246 static struct platform_device *sh770x_devices[] __initdata = {
 247         &tmu0_device,
 248         &tmu1_device,
 249         &tmu2_device,
 250         &sci_device,
 251         &rtc_device,
 252 };
 253
 254 static int __init sh770x_devices_setup(void)
 255 {
 256         return platform_add_devices(sh770x_devices,
 257                 ARRAY_SIZE(sh770x_devices));
 258 }
 259 __initcall(sh770x_devices_setup);
 260
 261 static struct platform_device *sh770x_early_devices[] __initdata = {
 262         &tmu0_device,
 263         &tmu1_device,
 264         &tmu2_device,
 265 };
 266
 267 void __init plat_early_device_setup(void)
 268 {
 269         early_platform_add_devices(sh770x_early_devices,
 270                                    ARRAY_SIZE(sh770x_early_devices));
 271 }
 272
 273 void __init plat_irq_setup(void)
 274 {
 275         register_intc_controller(&intc_desc);
 276 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 277     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 278     defined(CONFIG_CPU_SUBTYPE_SH7709)
 279         plat_irq_setup_sh3();
 280 #endif
 281 }