arch/sh/kernel/cpu/sh2a/setup-mxg.c

   1 /*
   2  * Renesas MX-G (R8A03022BG) Setup
   3  *
   4  *  Copyright (C) 2008, 2009  Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/platform_device.h>
  11 #include <linux/init.h>
  12 #include <linux/serial.h>
  13 #include <linux/serial_sci.h>
  14 #include <linux/sh_timer.h>
  15
  16 enum {
  17         UNUSED = 0,
  18
  19         /* interrupt sources */
  20         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  21         IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15,
  22
  23         PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  24         SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1,
  25
  26         SCIF0, SCIF1,
  27
  28         MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5,
  29         MTU2_TGI3B, MTU2_TGI3C,
  30
  31         /* interrupt groups */
  32         PINT,
  33 };
  34
  35 static struct intc_vect vectors[] __initdata = {
  36         INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  37         INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  38         INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  39         INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  40         INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73),
  41         INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75),
  42         INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77),
  43         INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79),
  44
  45         INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  46         INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  47         INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  48         INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  49
  50         INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95),
  51         INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97),
  52         INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99),
  53         INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101),
  54
  55         INTC_IRQ(SCIF0, 220), INTC_IRQ(SCIF0, 221),
  56         INTC_IRQ(SCIF0, 222), INTC_IRQ(SCIF0, 223),
  57         INTC_IRQ(SCIF1, 224), INTC_IRQ(SCIF1, 225),
  58         INTC_IRQ(SCIF1, 226), INTC_IRQ(SCIF1, 227),
  59
  60         INTC_IRQ(MTU2_GROUP1, 228), INTC_IRQ(MTU2_GROUP1, 229),
  61         INTC_IRQ(MTU2_GROUP1, 230), INTC_IRQ(MTU2_GROUP1, 231),
  62         INTC_IRQ(MTU2_GROUP1, 232), INTC_IRQ(MTU2_GROUP1, 233),
  63
  64         INTC_IRQ(MTU2_GROUP2, 234), INTC_IRQ(MTU2_GROUP2, 235),
  65         INTC_IRQ(MTU2_GROUP2, 236), INTC_IRQ(MTU2_GROUP2, 237),
  66         INTC_IRQ(MTU2_GROUP2, 238), INTC_IRQ(MTU2_GROUP2, 239),
  67
  68         INTC_IRQ(MTU2_GROUP3, 240), INTC_IRQ(MTU2_GROUP3, 241),
  69         INTC_IRQ(MTU2_GROUP3, 242), INTC_IRQ(MTU2_GROUP3, 243),
  70
  71         INTC_IRQ(MTU2_TGI3B, 244),
  72         INTC_IRQ(MTU2_TGI3C, 245),
  73
  74         INTC_IRQ(MTU2_GROUP4, 246), INTC_IRQ(MTU2_GROUP4, 247),
  75         INTC_IRQ(MTU2_GROUP4, 248), INTC_IRQ(MTU2_GROUP4, 249),
  76         INTC_IRQ(MTU2_GROUP4, 250), INTC_IRQ(MTU2_GROUP4, 251),
  77
  78         INTC_IRQ(MTU2_GROUP5, 252), INTC_IRQ(MTU2_GROUP5, 253),
  79         INTC_IRQ(MTU2_GROUP5, 254), INTC_IRQ(MTU2_GROUP5, 255),
  80 };
  81
  82 static struct intc_group groups[] __initdata = {
  83         INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
  84                    PINT4, PINT5, PINT6, PINT7),
  85 };
  86
  87 static struct intc_prio_reg prio_registers[] __initdata = {
  88         { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
  89         { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
  90         { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } },
  91         { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } },
  92         { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
  93         { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } },
  94         { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } },
  95         { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } },
  96         { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } },
  97         { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } },
  98         { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } },
  99         { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } },
 100         { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } },
 101         { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } },
 102         { 0xfffd9812, 0, 16, 4, /* IPR15 */
 103                 { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } },
 104         { 0xfffd9814, 0, 16, 4, /* IPR16 */
 105                 { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } },
 106 };
 107
 108 static struct intc_mask_reg mask_registers[] __initdata = {
 109         { 0xfffd9408, 0, 16, /* PINTER */
 110           { 0, 0, 0, 0, 0, 0, 0, 0,
 111             PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 112 };
 113
 114 static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups,
 115                          mask_registers, prio_registers, NULL);
 116
 117 static struct resource mtu2_resources[] = {
 118         DEFINE_RES_MEM(0xff801000, 0x400),
 119         DEFINE_RES_IRQ_NAMED(228, "tgi0a"),
 120         DEFINE_RES_IRQ_NAMED(234, "tgi1a"),
 121         DEFINE_RES_IRQ_NAMED(240, "tgi2a"),
 122 };
 123
 124 static struct platform_device mtu2_device = {
 125         .name           = "sh-mtu2",
 126         .id             = -1,
 127         .resource       = mtu2_resources,
 128         .num_resources  = ARRAY_SIZE(mtu2_resources),
 129 };
 130
 131 static struct plat_sci_port scif0_platform_data = {
 132         .flags          = UPF_BOOT_AUTOCONF,
 133         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 134         .type           = PORT_SCIF,
 135 };
 136
 137 static struct resource scif0_resources[] = {
 138         DEFINE_RES_MEM(0xff804000, 0x100),
 139         DEFINE_RES_IRQ(220),
 140 };
 141
 142 static struct platform_device scif0_device = {
 143         .name           = "sh-sci",
 144         .id             = 0,
 145         .resource       = scif0_resources,
 146         .num_resources  = ARRAY_SIZE(scif0_resources),
 147         .dev            = {
 148                 .platform_data  = &scif0_platform_data,
 149         },
 150 };
 151
 152 static struct platform_device *mxg_devices[] __initdata = {
 153         &scif0_device,
 154         &mtu2_device,
 155 };
 156
 157 static int __init mxg_devices_setup(void)
 158 {
 159         return platform_add_devices(mxg_devices,
 160                                     ARRAY_SIZE(mxg_devices));
 161 }
 162 arch_initcall(mxg_devices_setup);
 163
 164 void __init plat_irq_setup(void)
 165 {
 166         register_intc_controller(&intc_desc);
 167 }
 168
 169 static struct platform_device *mxg_early_devices[] __initdata = {
 170         &scif0_device,
 171         &mtu2_device,
 172 };
 173
 174 void __init plat_early_device_setup(void)
 175 {
 176         early_platform_add_devices(mxg_early_devices,
 177                                    ARRAY_SIZE(mxg_early_devices));
 178 }