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 <linux/sh_intc.h>
  18 #include <asm/rtc.h>
  19
  20 enum {
  21         UNUSED = 0,
  22
  23         /* interrupt sources */
  24         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  25         DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
  26         EDMAC0, EDMAC1, EDMAC2,
  27         SIOF0, SIOF1,
  28
  29         TMU0, TMU1, TMU2,
  30         RTC, WDT, REF,
  31 };
  32
  33 static struct intc_vect vectors[] __initdata = {
  34         /* IRQ0->5 are handled in setup-sh3.c */
  35         INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
  36         INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
  37         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  38         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  39         INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
  40         INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
  41         INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
  42 #ifdef CONFIG_CPU_SUBTYPE_SH7710
  43         INTC_VECT(IPSEC, 0xbe0),
  44 #endif
  45         INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
  46         INTC_VECT(EDMAC2, 0xc40),
  47         INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
  48         INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
  49         INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
  50         INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
  51         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  52         INTC_VECT(TMU2, 0x440),
  53         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  54         INTC_VECT(RTC, 0x4c0),
  55         INTC_VECT(WDT, 0x560),
  56         INTC_VECT(REF, 0x580),
  57 };
  58
  59 static struct intc_prio_reg prio_registers[] __initdata = {
  60         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  61         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
  62         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  63         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  64         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
  65         { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
  66         { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
  67         { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
  68         { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
  69 };
  70
  71 static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
  72                          NULL, prio_registers, NULL);
  73
  74 static struct resource rtc_resources[] = {
  75         [0] =   {
  76                 .start  = 0xa413fec0,
  77                 .end    = 0xa413fec0 + 0x1e,
  78                 .flags  = IORESOURCE_IO,
  79         },
  80         [1] =   {
  81                 .start  = evt2irq(0x480),
  82                 .flags  = IORESOURCE_IRQ,
  83         },
  84 };
  85
  86 static struct sh_rtc_platform_info rtc_info = {
  87         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  88 };
  89
  90 static struct platform_device rtc_device = {
  91         .name           = "sh-rtc",
  92         .id             = -1,
  93         .num_resources  = ARRAY_SIZE(rtc_resources),
  94         .resource       = rtc_resources,
  95         .dev            = {
  96                 .platform_data = &rtc_info,
  97         },
  98 };
  99
 100 static struct plat_sci_port scif0_platform_data = {
 101         .flags          = UPF_BOOT_AUTOCONF,
 102         .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 103                           SCSCR_CKE1 | SCSCR_CKE0,
 104         .type           = PORT_SCIF,
 105 };
 106
 107 static struct resource scif0_resources[] = {
 108         DEFINE_RES_MEM(0xa4400000, 0x100),
 109         DEFINE_RES_IRQ(evt2irq(0x880)),
 110 };
 111
 112 static struct platform_device scif0_device = {
 113         .name           = "sh-sci",
 114         .id             = 0,
 115         .resource       = scif0_resources,
 116         .num_resources  = ARRAY_SIZE(scif0_resources),
 117         .dev            = {
 118                 .platform_data  = &scif0_platform_data,
 119         },
 120 };
 121
 122 static struct plat_sci_port scif1_platform_data = {
 123         .flags          = UPF_BOOT_AUTOCONF,
 124         .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 125                           SCSCR_CKE1 | SCSCR_CKE0,
 126         .type           = PORT_SCIF,
 127 };
 128
 129 static struct resource scif1_resources[] = {
 130         DEFINE_RES_MEM(0xa4410000, 0x100),
 131         DEFINE_RES_IRQ(evt2irq(0x900)),
 132 };
 133
 134 static struct platform_device scif1_device = {
 135         .name           = "sh-sci",
 136         .id             = 1,
 137         .resource       = scif1_resources,
 138         .num_resources  = ARRAY_SIZE(scif1_resources),
 139         .dev            = {
 140                 .platform_data  = &scif1_platform_data,
 141         },
 142 };
 143
 144 static struct sh_timer_config tmu0_platform_data = {
 145         .channels_mask = 7,
 146 };
 147
 148 static struct resource tmu0_resources[] = {
 149         DEFINE_RES_MEM(0xa412fe90, 0x28),
 150         DEFINE_RES_IRQ(evt2irq(0x400)),
 151         DEFINE_RES_IRQ(evt2irq(0x420)),
 152         DEFINE_RES_IRQ(evt2irq(0x440)),
 153 };
 154
 155 static struct platform_device tmu0_device = {
 156         .name           = "sh-tmu-sh3",
 157         .id             = 0,
 158         .dev = {
 159                 .platform_data  = &tmu0_platform_data,
 160         },
 161         .resource       = tmu0_resources,
 162         .num_resources  = ARRAY_SIZE(tmu0_resources),
 163 };
 164
 165 static struct platform_device *sh7710_devices[] __initdata = {
 166         &scif0_device,
 167         &scif1_device,
 168         &tmu0_device,
 169         &rtc_device,
 170 };
 171
 172 static int __init sh7710_devices_setup(void)
 173 {
 174         return platform_add_devices(sh7710_devices,
 175                                     ARRAY_SIZE(sh7710_devices));
 176 }
 177 arch_initcall(sh7710_devices_setup);
 178
 179 static struct platform_device *sh7710_early_devices[] __initdata = {
 180         &scif0_device,
 181         &scif1_device,
 182         &tmu0_device,
 183 };
 184
 185 void __init plat_early_device_setup(void)
 186 {
 187         early_platform_add_devices(sh7710_early_devices,
 188                                    ARRAY_SIZE(sh7710_early_devices));
 189 }
 190
 191 void __init plat_irq_setup(void)
 192 {
 193         register_intc_controller(&intc_desc);
 194         plat_irq_setup_sh3();
 195 }