arch/sh/kernel/cpu/sh3/setup-sh7710.c

   1 /*
   2  * SH3 Setup code for SH7710, SH7712
   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         DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
  25         EDMAC0, EDMAC1, EDMAC2,
  26         SIOF0, SIOF1,
  27
  28         TMU0, TMU1, TMU2,
  29         RTC, WDT, REF,
  30 };
  31
  32 static struct intc_vect vectors[] __initdata = {
  33         /* IRQ0->5 are handled in setup-sh3.c */
  34         INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
  35         INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
  36         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  37         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  38         INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
  39         INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
  40         INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
  41 #ifdef CONFIG_CPU_SUBTYPE_SH7710
  42         INTC_VECT(IPSEC, 0xbe0),
  43 #endif
  44         INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
  45         INTC_VECT(EDMAC2, 0xc40),
  46         INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
  47         INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
  48         INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
  49         INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
  50         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  51         INTC_VECT(TMU2, 0x440),
  52         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  53         INTC_VECT(RTC, 0x4c0),
  54         INTC_VECT(WDT, 0x560),
  55         INTC_VECT(REF, 0x580),
  56 };
  57
  58 static struct intc_prio_reg prio_registers[] __initdata = {
  59         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  60         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
  61         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  62         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  63         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
  64         { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
  65         { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
  66         { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
  67         { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
  68 };
  69
  70 static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
  71                          NULL, prio_registers, NULL);
  72
  73 static struct resource rtc_resources[] = {
  74         [0] =   {
  75                 .start  = 0xa413fec0,
  76                 .end    = 0xa413fec0 + 0x1e,
  77                 .flags  = IORESOURCE_IO,
  78         },
  79         [1] =   {
  80                 .start  = 20,
  81                 .flags  = IORESOURCE_IRQ,
  82         },
  83 };
  84
  85 static struct sh_rtc_platform_info rtc_info = {
  86         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  87 };
  88
  89 static struct platform_device rtc_device = {
  90         .name           = "sh-rtc",
  91         .id             = -1,
  92         .num_resources  = ARRAY_SIZE(rtc_resources),
  93         .resource       = rtc_resources,
  94         .dev            = {
  95                 .platform_data = &rtc_info,
  96         },
  97 };
  98
  99 static struct plat_sci_port scif0_platform_data = {
 100         .mapbase        = 0xa4400000,
 101         .flags          = UPF_BOOT_AUTOCONF,
 102         .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 103                           SCSCR_CKE1 | SCSCR_CKE0,
 104         .scbrr_algo_id  = SCBRR_ALGO_2,
 105         .type           = PORT_SCIF,
 106         .irqs           = { 52, 52, 52, 52 },
 107 };
 108
 109 static struct platform_device scif0_device = {
 110         .name           = "sh-sci",
 111         .id             = 0,
 112         .dev            = {
 113                 .platform_data  = &scif0_platform_data,
 114         },
 115 };
 116
 117 static struct plat_sci_port scif1_platform_data = {
 118         .mapbase        = 0xa4410000,
 119         .flags          = UPF_BOOT_AUTOCONF,
 120         .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 121                           SCSCR_CKE1 | SCSCR_CKE0,
 122         .scbrr_algo_id  = SCBRR_ALGO_2,
 123         .type           = PORT_SCIF,
 124         .irqs           = { 56, 56, 56, 56 },
 125 };
 126
 127 static struct platform_device scif1_device = {
 128         .name           = "sh-sci",
 129         .id             = 1,
 130         .dev            = {
 131                 .platform_data  = &scif1_platform_data,
 132         },
 133 };
 134
 135 static struct sh_timer_config tmu0_platform_data = {
 136         .channel_offset = 0x02,
 137         .timer_bit = 0,
 138         .clockevent_rating = 200,
 139 };
 140
 141 static struct resource tmu0_resources[] = {
 142         [0] = {
 143                 .start  = 0xa412fe94,
 144                 .end    = 0xa412fe9f,
 145                 .flags  = IORESOURCE_MEM,
 146         },
 147         [1] = {
 148                 .start  = 16,
 149                 .flags  = IORESOURCE_IRQ,
 150         },
 151 };
 152
 153 static struct platform_device tmu0_device = {
 154         .name           = "sh_tmu",
 155         .id             = 0,
 156         .dev = {
 157                 .platform_data  = &tmu0_platform_data,
 158         },
 159         .resource       = tmu0_resources,
 160         .num_resources  = ARRAY_SIZE(tmu0_resources),
 161 };
 162
 163 static struct sh_timer_config tmu1_platform_data = {
 164         .channel_offset = 0xe,
 165         .timer_bit = 1,
 166         .clocksource_rating = 200,
 167 };
 168
 169 static struct resource tmu1_resources[] = {
 170         [0] = {
 171                 .start  = 0xa412fea0,
 172                 .end    = 0xa412feab,
 173                 .flags  = IORESOURCE_MEM,
 174         },
 175         [1] = {
 176                 .start  = 17,
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct platform_device tmu1_device = {
 182         .name           = "sh_tmu",
 183         .id             = 1,
 184         .dev = {
 185                 .platform_data  = &tmu1_platform_data,
 186         },
 187         .resource       = tmu1_resources,
 188         .num_resources  = ARRAY_SIZE(tmu1_resources),
 189 };
 190
 191 static struct sh_timer_config tmu2_platform_data = {
 192         .channel_offset = 0x1a,
 193         .timer_bit = 2,
 194 };
 195
 196 static struct resource tmu2_resources[] = {
 197         [0] = {
 198                 .start  = 0xa412feac,
 199                 .end    = 0xa412feb5,
 200                 .flags  = IORESOURCE_MEM,
 201         },
 202         [1] = {
 203                 .start  = 18,
 204                 .flags  = IORESOURCE_IRQ,
 205         },
 206 };
 207
 208 static struct platform_device tmu2_device = {
 209         .name           = "sh_tmu",
 210         .id             = 2,
 211         .dev = {
 212                 .platform_data  = &tmu2_platform_data,
 213         },
 214         .resource       = tmu2_resources,
 215         .num_resources  = ARRAY_SIZE(tmu2_resources),
 216 };
 217
 218 static struct platform_device *sh7710_devices[] __initdata = {
 219         &scif0_device,
 220         &scif1_device,
 221         &tmu0_device,
 222         &tmu1_device,
 223         &tmu2_device,
 224         &rtc_device,
 225 };
 226
 227 static int __init sh7710_devices_setup(void)
 228 {
 229         return platform_add_devices(sh7710_devices,
 230                                     ARRAY_SIZE(sh7710_devices));
 231 }
 232 arch_initcall(sh7710_devices_setup);
 233
 234 static struct platform_device *sh7710_early_devices[] __initdata = {
 235         &scif0_device,
 236         &scif1_device,
 237         &tmu0_device,
 238         &tmu1_device,
 239         &tmu2_device,
 240 };
 241
 242 void __init plat_early_device_setup(void)
 243 {
 244         early_platform_add_devices(sh7710_early_devices,
 245                                    ARRAY_SIZE(sh7710_early_devices));
 246 }
 247
 248 void __init plat_irq_setup(void)
 249 {
 250         register_intc_controller(&intc_desc);
 251         plat_irq_setup_sh3();
 252 }