arch/sh/kernel/cpu/sh4/setup-sh7760.c

   1 /*
   2  * SH7760 Setup
   3  *
   4  *  Copyright (C) 2006  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/sh_timer.h>
  14 #include <linux/serial_sci.h>
  15 #include <linux/io.h>
  16
  17 enum {
  18         UNUSED = 0,
  19
  20         /* interrupt sources */
  21         IRL0, IRL1, IRL2, IRL3,
  22         HUDI, GPIOI, DMAC,
  23         IRQ4, IRQ5, IRQ6, IRQ7,
  24         HCAN20, HCAN21,
  25         SSI0, SSI1,
  26         HAC0, HAC1,
  27         I2C0, I2C1,
  28         USB, LCDC,
  29         DMABRG0, DMABRG1, DMABRG2,
  30         SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
  31         SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
  32         SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
  33         SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
  34         HSPI,
  35         MMCIF0, MMCIF1, MMCIF2, MMCIF3,
  36         MFI, ADC, CMT,
  37         TMU0, TMU1, TMU2,
  38         WDT, REF,
  39
  40         /* interrupt groups */
  41         DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
  42 };
  43
  44 static struct intc_vect vectors[] __initdata = {
  45         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
  46         INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
  47         INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
  48         INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
  49         INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
  50         INTC_VECT(DMAC, 0x6c0),
  51         INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
  52         INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
  53         INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
  54         INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
  55         INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
  56         INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
  57         INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
  58         INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
  59         INTC_VECT(DMABRG2, 0xac0),
  60         INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
  61         INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
  62         INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
  63         INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
  64         INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
  65         INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
  66         INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
  67         INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
  68         INTC_VECT(HSPI, 0xc80),
  69         INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
  70         INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
  71         INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
  72         INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
  73         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  74         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  75         INTC_VECT(WDT, 0x560),
  76         INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
  77 };
  78
  79 static struct intc_group groups[] __initdata = {
  80         INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
  81         INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
  82         INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
  83         INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
  84         INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
  85         INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
  86 };
  87
  88 static struct intc_mask_reg mask_registers[] __initdata = {
  89         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
  90           { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
  91             SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
  92             0, DMABRG0, DMABRG1, DMABRG2,
  93             SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
  94             SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
  95             SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
  96         { 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
  97           { 0, 0, 0, 0, 0, 0, 0, 0,
  98             SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
  99             HSPI, MMCIF0, MMCIF1, MMCIF2,
 100             MMCIF3, 0, 0, 0, 0, 0, 0, 0,
 101             0, MFI, 0, 0, 0, 0, ADC, CMT, } },
 102 };
 103
 104 static struct intc_prio_reg prio_registers[] __initdata = {
 105         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
 106         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
 107         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
 108         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
 109         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 110         { 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
 111                                                  HAC0, HAC1, I2C0, I2C1 } },
 112         { 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
 113                                                  SCIF1, SCIF2, SIM, HSPI } },
 114         { 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
 115                                                  MFI, 0, ADC, CMT } },
 116 };
 117
 118 static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
 119                          mask_registers, prio_registers, NULL);
 120
 121 static struct intc_vect vectors_irq[] __initdata = {
 122         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
 123         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
 124 };
 125
 126 static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
 127                          mask_registers, prio_registers, NULL);
 128
 129 static struct plat_sci_port sci_platform_data[] = {
 130         {
 131                 .mapbase        = 0xfe600000,
 132                 .flags          = UPF_BOOT_AUTOCONF,
 133                 .type           = PORT_SCIF,
 134                 .irqs           = { 52, 53, 55, 54 },
 135         }, {
 136                 .mapbase        = 0xfe610000,
 137                 .flags          = UPF_BOOT_AUTOCONF,
 138                 .type           = PORT_SCIF,
 139                 .irqs           = { 72, 73, 75, 74 },
 140         }, {
 141                 .mapbase        = 0xfe620000,
 142                 .flags          = UPF_BOOT_AUTOCONF,
 143                 .type           = PORT_SCIF,
 144                 .irqs           = { 76, 77, 79, 78 },
 145         }, {
 146                 .mapbase        = 0xfe480000,
 147                 .flags          = UPF_BOOT_AUTOCONF,
 148                 .type           = PORT_SCI,
 149                 .irqs           = { 80, 81, 82, 0 },
 150         }, {
 151                 .flags = 0,
 152         }
 153 };
 154
 155 static struct platform_device sci_device = {
 156         .name           = "sh-sci",
 157         .id             = -1,
 158         .dev            = {
 159                 .platform_data  = sci_platform_data,
 160         },
 161 };
 162
 163 static struct sh_timer_config tmu0_platform_data = {
 164         .name = "TMU0",
 165         .channel_offset = 0x04,
 166         .timer_bit = 0,
 167         .clk = "peripheral_clk",
 168         .clockevent_rating = 200,
 169 };
 170
 171 static struct resource tmu0_resources[] = {
 172         [0] = {
 173                 .name   = "TMU0",
 174                 .start  = 0xffd80008,
 175                 .end    = 0xffd80013,
 176                 .flags  = IORESOURCE_MEM,
 177         },
 178         [1] = {
 179                 .start  = 16,
 180                 .flags  = IORESOURCE_IRQ,
 181         },
 182 };
 183
 184 static struct platform_device tmu0_device = {
 185         .name           = "sh_tmu",
 186         .id             = 0,
 187         .dev = {
 188                 .platform_data  = &tmu0_platform_data,
 189         },
 190         .resource       = tmu0_resources,
 191         .num_resources  = ARRAY_SIZE(tmu0_resources),
 192 };
 193
 194 static struct sh_timer_config tmu1_platform_data = {
 195         .name = "TMU1",
 196         .channel_offset = 0x10,
 197         .timer_bit = 1,
 198         .clk = "peripheral_clk",
 199         .clocksource_rating = 200,
 200 };
 201
 202 static struct resource tmu1_resources[] = {
 203         [0] = {
 204                 .name   = "TMU1",
 205                 .start  = 0xffd80014,
 206                 .end    = 0xffd8001f,
 207                 .flags  = IORESOURCE_MEM,
 208         },
 209         [1] = {
 210                 .start  = 17,
 211                 .flags  = IORESOURCE_IRQ,
 212         },
 213 };
 214
 215 static struct platform_device tmu1_device = {
 216         .name           = "sh_tmu",
 217         .id             = 1,
 218         .dev = {
 219                 .platform_data  = &tmu1_platform_data,
 220         },
 221         .resource       = tmu1_resources,
 222         .num_resources  = ARRAY_SIZE(tmu1_resources),
 223 };
 224
 225 static struct sh_timer_config tmu2_platform_data = {
 226         .name = "TMU2",
 227         .channel_offset = 0x1c,
 228         .timer_bit = 2,
 229         .clk = "peripheral_clk",
 230 };
 231
 232 static struct resource tmu2_resources[] = {
 233         [0] = {
 234                 .name   = "TMU2",
 235                 .start  = 0xffd80020,
 236                 .end    = 0xffd8002f,
 237                 .flags  = IORESOURCE_MEM,
 238         },
 239         [1] = {
 240                 .start  = 18,
 241                 .flags  = IORESOURCE_IRQ,
 242         },
 243 };
 244
 245 static struct platform_device tmu2_device = {
 246         .name           = "sh_tmu",
 247         .id             = 2,
 248         .dev = {
 249                 .platform_data  = &tmu2_platform_data,
 250         },
 251         .resource       = tmu2_resources,
 252         .num_resources  = ARRAY_SIZE(tmu2_resources),
 253 };
 254
 255
 256 static struct platform_device *sh7760_devices[] __initdata = {
 257         &sci_device,
 258         &tmu0_device,
 259         &tmu1_device,
 260         &tmu2_device,
 261 };
 262
 263 static int __init sh7760_devices_setup(void)
 264 {
 265         return platform_add_devices(sh7760_devices,
 266                                     ARRAY_SIZE(sh7760_devices));
 267 }
 268 arch_initcall(sh7760_devices_setup);
 269
 270 static struct platform_device *sh7760_early_devices[] __initdata = {
 271         &tmu0_device,
 272         &tmu1_device,
 273         &tmu2_device,
 274 };
 275
 276 void __init plat_early_device_setup(void)
 277 {
 278         early_platform_add_devices(sh7760_early_devices,
 279                                    ARRAY_SIZE(sh7760_early_devices));
 280 }
 281
 282 #define INTC_ICR        0xffd00000UL
 283 #define INTC_ICR_IRLM   (1 << 7)
 284
 285 void __init plat_irq_setup_pins(int mode)
 286 {
 287         switch (mode) {
 288         case IRQ_MODE_IRQ:
 289                 ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
 290                 register_intc_controller(&intc_desc_irq);
 291                 break;
 292         default:
 293                 BUG();
 294         }
 295 }
 296
 297 void __init plat_irq_setup(void)
 298 {
 299         register_intc_controller(&intc_desc);
 300 }