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 #include <linux/sh_intc.h>
  23 #include <cpu/serial.h>
  24
  25 enum {
  26         UNUSED = 0,
  27
  28         /* interrupt sources */
  29         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  30         PINT07, PINT815,
  31         DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
  32         LCDC, PCC0, PCC1,
  33         TMU0, TMU1, TMU2,
  34         RTC, WDT, REF,
  35 };
  36
  37 static struct intc_vect vectors[] __initdata = {
  38         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  39         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  40         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  41         INTC_VECT(RTC, 0x4c0),
  42         INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
  43         INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
  44         INTC_VECT(WDT, 0x560),
  45         INTC_VECT(REF, 0x580),
  46         INTC_VECT(REF, 0x5a0),
  47 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  48     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  49     defined(CONFIG_CPU_SUBTYPE_SH7709)
  50         /* IRQ0->5 are handled in setup-sh3.c */
  51         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  52         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  53         INTC_VECT(ADC_ADI, 0x980),
  54         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  55         INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
  56 #endif
  57 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  58     defined(CONFIG_CPU_SUBTYPE_SH7709)
  59         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  60         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  61         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  62 #endif
  63 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
  64         INTC_VECT(LCDC, 0x9a0),
  65         INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
  66 #endif
  67 };
  68
  69 static struct intc_prio_reg prio_registers[] __initdata = {
  70         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  71         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
  72 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  73     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  74     defined(CONFIG_CPU_SUBTYPE_SH7709)
  75         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  76         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  77         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
  78 #endif
  79 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  80     defined(CONFIG_CPU_SUBTYPE_SH7709)
  81         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
  82         { 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
  83 #endif
  84 #if defined(CONFIG_CPU_SUBTYPE_SH7707)
  85         { 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
  86 #endif
  87 };
  88
  89 static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
  90                          NULL, prio_registers, NULL);
  91
  92 static struct resource rtc_resources[] = {
  93         [0] =   {
  94                 .start  = 0xfffffec0,
  95                 .end    = 0xfffffec0 + 0x1e,
  96                 .flags  = IORESOURCE_IO,
  97         },
  98         [1] =   {
  99                 .start  = evt2irq(0x480),
 100                 .flags  = IORESOURCE_IRQ,
 101         },
 102 };
 103
 104 static struct platform_device rtc_device = {
 105         .name           = "sh-rtc",
 106         .id             = -1,
 107         .num_resources  = ARRAY_SIZE(rtc_resources),
 108         .resource       = rtc_resources,
 109 };
 110
 111 static struct plat_sci_port scif0_platform_data = {
 112         .port_reg       = 0xa4000136,
 113         .flags          = UPF_BOOT_AUTOCONF,
 114         .scscr          = SCSCR_TE | SCSCR_RE,
 115         .type           = PORT_SCI,
 116         .ops            = &sh770x_sci_port_ops,
 117         .regshift       = 1,
 118 };
 119
 120 static struct resource scif0_resources[] = {
 121         DEFINE_RES_MEM(0xfffffe80, 0x10),
 122         DEFINE_RES_IRQ(evt2irq(0x4e0)),
 123 };
 124
 125 static struct platform_device scif0_device = {
 126         .name           = "sh-sci",
 127         .id             = 0,
 128         .resource       = scif0_resources,
 129         .num_resources  = ARRAY_SIZE(scif0_resources),
 130         .dev            = {
 131                 .platform_data  = &scif0_platform_data,
 132         },
 133 };
 134 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 135     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 136     defined(CONFIG_CPU_SUBTYPE_SH7709)
 137 static struct plat_sci_port scif1_platform_data = {
 138         .flags          = UPF_BOOT_AUTOCONF,
 139         .scscr          = SCSCR_TE | SCSCR_RE,
 140         .type           = PORT_SCIF,
 141         .ops            = &sh770x_sci_port_ops,
 142         .regtype        = SCIx_SH3_SCIF_REGTYPE,
 143 };
 144
 145 static struct resource scif1_resources[] = {
 146         DEFINE_RES_MEM(0xa4000150, 0x10),
 147         DEFINE_RES_IRQ(evt2irq(0x900)),
 148 };
 149
 150 static struct platform_device scif1_device = {
 151         .name           = "sh-sci",
 152         .id             = 1,
 153         .resource       = scif1_resources,
 154         .num_resources  = ARRAY_SIZE(scif1_resources),
 155         .dev            = {
 156                 .platform_data  = &scif1_platform_data,
 157         },
 158 };
 159 #endif
 160 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 161     defined(CONFIG_CPU_SUBTYPE_SH7709)
 162 static struct plat_sci_port scif2_platform_data = {
 163         .port_reg       = SCIx_NOT_SUPPORTED,
 164         .flags          = UPF_BOOT_AUTOCONF,
 165         .scscr          = SCSCR_TE | SCSCR_RE,
 166         .type           = PORT_IRDA,
 167         .ops            = &sh770x_sci_port_ops,
 168         .regshift       = 1,
 169 };
 170
 171 static struct resource scif2_resources[] = {
 172         DEFINE_RES_MEM(0xa4000140, 0x10),
 173         DEFINE_RES_IRQ(evt2irq(0x880)),
 174 };
 175
 176 static struct platform_device scif2_device = {
 177         .name           = "sh-sci",
 178         .id             = 2,
 179         .resource       = scif2_resources,
 180         .num_resources  = ARRAY_SIZE(scif2_resources),
 181         .dev            = {
 182                 .platform_data  = &scif2_platform_data,
 183         },
 184 };
 185 #endif
 186
 187 static struct sh_timer_config tmu0_platform_data = {
 188         .channels_mask = 7,
 189 };
 190
 191 static struct resource tmu0_resources[] = {
 192         DEFINE_RES_MEM(0xfffffe90, 0x2c),
 193         DEFINE_RES_IRQ(evt2irq(0x400)),
 194         DEFINE_RES_IRQ(evt2irq(0x420)),
 195         DEFINE_RES_IRQ(evt2irq(0x440)),
 196 };
 197
 198 static struct platform_device tmu0_device = {
 199         .name           = "sh-tmu-sh3",
 200         .id             = 0,
 201         .dev = {
 202                 .platform_data  = &tmu0_platform_data,
 203         },
 204         .resource       = tmu0_resources,
 205         .num_resources  = ARRAY_SIZE(tmu0_resources),
 206 };
 207
 208 static struct platform_device *sh770x_devices[] __initdata = {
 209         &scif0_device,
 210 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 211     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 212     defined(CONFIG_CPU_SUBTYPE_SH7709)
 213         &scif1_device,
 214 #endif
 215 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 216     defined(CONFIG_CPU_SUBTYPE_SH7709)
 217         &scif2_device,
 218 #endif
 219         &tmu0_device,
 220         &rtc_device,
 221 };
 222
 223 static int __init sh770x_devices_setup(void)
 224 {
 225         return platform_add_devices(sh770x_devices,
 226                 ARRAY_SIZE(sh770x_devices));
 227 }
 228 arch_initcall(sh770x_devices_setup);
 229
 230 static struct platform_device *sh770x_early_devices[] __initdata = {
 231         &scif0_device,
 232 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 233     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 234     defined(CONFIG_CPU_SUBTYPE_SH7709)
 235         &scif1_device,
 236 #endif
 237 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 238     defined(CONFIG_CPU_SUBTYPE_SH7709)
 239         &scif2_device,
 240 #endif
 241         &tmu0_device,
 242 };
 243
 244 void __init plat_early_device_setup(void)
 245 {
 246         early_platform_add_devices(sh770x_early_devices,
 247                                    ARRAY_SIZE(sh770x_early_devices));
 248 }
 249
 250 void __init plat_irq_setup(void)
 251 {
 252         register_intc_controller(&intc_desc);
 253 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 254     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 255     defined(CONFIG_CPU_SUBTYPE_SH7709)
 256         plat_irq_setup_sh3();
 257 #endif
 258 }