release/src-rt-6.x.4708/linux/linux-2.6.36/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         .type           = PORT_SCIF,
 103         .irqs           = { 52, 52, 52, 52 },
 104 };
 105
 106 static struct platform_device scif0_device = {
 107         .name           = "sh-sci",
 108         .id             = 0,
 109         .dev            = {
 110                 .platform_data  = &scif0_platform_data,
 111         },
 112 };
 113
 114 static struct plat_sci_port scif1_platform_data = {
 115         .mapbase        = 0xa4410000,
 116         .flags          = UPF_BOOT_AUTOCONF,
 117         .type           = PORT_SCIF,
 118         .irqs           = { 56, 56, 56, 56 },
 119 };
 120
 121 static struct platform_device scif1_device = {
 122         .name           = "sh-sci",
 123         .id             = 1,
 124         .dev            = {
 125                 .platform_data  = &scif1_platform_data,
 126         },
 127 };
 128
 129 static struct sh_timer_config tmu0_platform_data = {
 130         .channel_offset = 0x02,
 131         .timer_bit = 0,
 132         .clockevent_rating = 200,
 133 };
 134
 135 static struct resource tmu0_resources[] = {
 136         [0] = {
 137                 .start  = 0xa412fe94,
 138                 .end    = 0xa412fe9f,
 139                 .flags  = IORESOURCE_MEM,
 140         },
 141         [1] = {
 142                 .start  = 16,
 143                 .flags  = IORESOURCE_IRQ,
 144         },
 145 };
 146
 147 static struct platform_device tmu0_device = {
 148         .name           = "sh_tmu",
 149         .id             = 0,
 150         .dev = {
 151                 .platform_data  = &tmu0_platform_data,
 152         },
 153         .resource       = tmu0_resources,
 154         .num_resources  = ARRAY_SIZE(tmu0_resources),
 155 };
 156
 157 static struct sh_timer_config tmu1_platform_data = {
 158         .channel_offset = 0xe,
 159         .timer_bit = 1,
 160         .clocksource_rating = 200,
 161 };
 162
 163 static struct resource tmu1_resources[] = {
 164         [0] = {
 165                 .start  = 0xa412fea0,
 166                 .end    = 0xa412feab,
 167                 .flags  = IORESOURCE_MEM,
 168         },
 169         [1] = {
 170                 .start  = 17,
 171                 .flags  = IORESOURCE_IRQ,
 172         },
 173 };
 174
 175 static struct platform_device tmu1_device = {
 176         .name           = "sh_tmu",
 177         .id             = 1,
 178         .dev = {
 179                 .platform_data  = &tmu1_platform_data,
 180         },
 181         .resource       = tmu1_resources,
 182         .num_resources  = ARRAY_SIZE(tmu1_resources),
 183 };
 184
 185 static struct sh_timer_config tmu2_platform_data = {
 186         .channel_offset = 0x1a,
 187         .timer_bit = 2,
 188 };
 189
 190 static struct resource tmu2_resources[] = {
 191         [0] = {
 192                 .start  = 0xa412feac,
 193                 .end    = 0xa412feb5,
 194                 .flags  = IORESOURCE_MEM,
 195         },
 196         [1] = {
 197                 .start  = 18,
 198                 .flags  = IORESOURCE_IRQ,
 199         },
 200 };
 201
 202 static struct platform_device tmu2_device = {
 203         .name           = "sh_tmu",
 204         .id             = 2,
 205         .dev = {
 206                 .platform_data  = &tmu2_platform_data,
 207         },
 208         .resource       = tmu2_resources,
 209         .num_resources  = ARRAY_SIZE(tmu2_resources),
 210 };
 211
 212 static struct platform_device *sh7710_devices[] __initdata = {
 213         &scif0_device,
 214         &scif1_device,
 215         &tmu0_device,
 216         &tmu1_device,
 217         &tmu2_device,
 218         &rtc_device,
 219 };
 220
 221 static int __init sh7710_devices_setup(void)
 222 {
 223         return platform_add_devices(sh7710_devices,
 224                                     ARRAY_SIZE(sh7710_devices));
 225 }
 226 arch_initcall(sh7710_devices_setup);
 227
 228 static struct platform_device *sh7710_early_devices[] __initdata = {
 229         &scif0_device,
 230         &scif1_device,
 231         &tmu0_device,
 232         &tmu1_device,
 233         &tmu2_device,
 234 };
 235
 236 void __init plat_early_device_setup(void)
 237 {
 238         early_platform_add_devices(sh7710_early_devices,
 239                                    ARRAY_SIZE(sh7710_early_devices));
 240 }
 241
 242 void __init plat_irq_setup(void)
 243 {
 244         register_intc_controller(&intc_desc);
 245         plat_irq_setup_sh3();
 246 }