1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * SH7201 setup 4 * 5 * Copyright (C) 2008 Peter Griffin pgriffin@mpc-data.co.uk 6 * Copyright (C) 2009 Paul Mundt 7 */ 8 #include <linux/platform_device.h> 9 #include <linux/init.h> 10 #include <linux/serial.h> 11 #include <linux/serial_sci.h> 12 #include <linux/sh_timer.h> 13 #include <linux/io.h> 14 #include <asm/platform_early.h> 15 16 enum { 17 UNUSED = 0, 18 19 /* interrupt sources */ 20 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, 21 PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7, 22 23 ADC_ADI, 24 25 MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU, 26 MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V, 27 28 RTC, WDT, 29 30 IIC30, IIC31, IIC32, 31 32 DMAC0_DMINT0, DMAC1_DMINT1, 33 DMAC2_DMINT2, DMAC3_DMINT3, 34 35 SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7, 36 37 DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6, 38 DMAC7_DMINT7, 39 40 RCAN0, RCAN1, 41 42 SSI0_SSII, SSI1_SSII, 43 44 TMR0, TMR1, 45 46 /* interrupt groups */ 47 PINT, 48 }; 49 50 static struct intc_vect vectors[] __initdata = { 51 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), 52 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), 53 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69), 54 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71), 55 56 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81), 57 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83), 58 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85), 59 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87), 60 61 INTC_IRQ(ADC_ADI, 92), 62 63 INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109), 64 INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111), 65 66 INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113), 67 INTC_IRQ(MTU20_VEF, 114), 68 69 INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117), 70 INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121), 71 72 INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125), 73 INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129), 74 75 INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133), 76 INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135), 77 78 INTC_IRQ(MTU2_TCI3V, 136), 79 80 INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141), 81 INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143), 82 83 INTC_IRQ(MTU2_TCI4V, 144), 84 85 INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149), 86 INTC_IRQ(MTU25_UVW, 150), 87 88 INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153), 89 INTC_IRQ(RTC, 154), 90 91 INTC_IRQ(WDT, 156), 92 93 INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158), 94 INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160), 95 INTC_IRQ(IIC30, 161), 96 97 INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165), 98 INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167), 99 INTC_IRQ(IIC31, 168), 100 101 INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171), 102 INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173), 103 INTC_IRQ(IIC32, 174), 104 105 INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177), 106 INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179), 107 108 INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181), 109 INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183), 110 INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185), 111 INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187), 112 INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189), 113 INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191), 114 INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193), 115 INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195), 116 INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197), 117 INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199), 118 INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201), 119 INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203), 120 INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205), 121 INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207), 122 INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209), 123 INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211), 124 125 INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216), 126 INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218), 127 INTC_IRQ(DMAC7_DMINT7, 219), 128 129 INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229), 130 INTC_IRQ(RCAN0, 230), 131 INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232), 132 133 INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235), 134 INTC_IRQ(RCAN1, 236), 135 INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238), 136 137 INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245), 138 139 INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247), 140 INTC_IRQ(TMR0, 248), 141 142 INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253), 143 INTC_IRQ(TMR1, 254), 144 }; 145 146 static struct intc_group groups[] __initdata = { 147 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3, 148 PINT4, PINT5, PINT6, PINT7), 149 }; 150 151 static struct intc_prio_reg prio_registers[] __initdata = { 152 { 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, 153 { 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, 154 { 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } }, 155 { 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } }, 156 { 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU, MTU23_ABCD } }, 157 { 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } }, 158 159 { 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } }, 160 { 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } }, 161 { 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } }, 162 { 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } }, 163 { 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4 } }, 164 { 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } }, 165 { 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } }, 166 { 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } }, 167 }; 168 169 static struct intc_mask_reg mask_registers[] __initdata = { 170 { 0xfffe9408, 0, 16, /* PINTER */ 171 { 0, 0, 0, 0, 0, 0, 0, 0, 172 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } }, 173 }; 174 175 static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups, 176 mask_registers, prio_registers, NULL); 177 178 static struct plat_sci_port scif0_platform_data = { 179 .scscr = SCSCR_REIE, 180 .type = PORT_SCIF, 181 }; 182 183 static struct resource scif0_resources[] = { 184 DEFINE_RES_MEM(0xfffe8000, 0x100), 185 DEFINE_RES_IRQ(180), 186 }; 187 188 static struct platform_device scif0_device = { 189 .name = "sh-sci", 190 .id = 0, 191 .resource = scif0_resources, 192 .num_resources = ARRAY_SIZE(scif0_resources), 193 .dev = { 194 .platform_data = &scif0_platform_data, 195 }, 196 }; 197 198 static struct plat_sci_port scif1_platform_data = { 199 .scscr = SCSCR_REIE, 200 .type = PORT_SCIF, 201 }; 202 203 static struct resource scif1_resources[] = { 204 DEFINE_RES_MEM(0xfffe8800, 0x100), 205 DEFINE_RES_IRQ(184), 206 }; 207 208 static struct platform_device scif1_device = { 209 .name = "sh-sci", 210 .id = 1, 211 .resource = scif1_resources, 212 .num_resources = ARRAY_SIZE(scif1_resources), 213 .dev = { 214 .platform_data = &scif1_platform_data, 215 }, 216 }; 217 218 static struct plat_sci_port scif2_platform_data = { 219 .scscr = SCSCR_REIE, 220 .type = PORT_SCIF, 221 }; 222 223 static struct resource scif2_resources[] = { 224 DEFINE_RES_MEM(0xfffe9000, 0x100), 225 DEFINE_RES_IRQ(188), 226 }; 227 228 static struct platform_device scif2_device = { 229 .name = "sh-sci", 230 .id = 2, 231 .resource = scif2_resources, 232 .num_resources = ARRAY_SIZE(scif2_resources), 233 .dev = { 234 .platform_data = &scif2_platform_data, 235 }, 236 }; 237 238 static struct plat_sci_port scif3_platform_data = { 239 .scscr = SCSCR_REIE, 240 .type = PORT_SCIF, 241 }; 242 243 static struct resource scif3_resources[] = { 244 DEFINE_RES_MEM(0xfffe9800, 0x100), 245 DEFINE_RES_IRQ(192), 246 }; 247 248 static struct platform_device scif3_device = { 249 .name = "sh-sci", 250 .id = 3, 251 .resource = scif3_resources, 252 .num_resources = ARRAY_SIZE(scif3_resources), 253 .dev = { 254 .platform_data = &scif3_platform_data, 255 }, 256 }; 257 258 static struct plat_sci_port scif4_platform_data = { 259 .scscr = SCSCR_REIE, 260 .type = PORT_SCIF, 261 }; 262 263 static struct resource scif4_resources[] = { 264 DEFINE_RES_MEM(0xfffea000, 0x100), 265 DEFINE_RES_IRQ(196), 266 }; 267 268 static struct platform_device scif4_device = { 269 .name = "sh-sci", 270 .id = 4, 271 .resource = scif4_resources, 272 .num_resources = ARRAY_SIZE(scif4_resources), 273 .dev = { 274 .platform_data = &scif4_platform_data, 275 }, 276 }; 277 278 static struct plat_sci_port scif5_platform_data = { 279 .scscr = SCSCR_REIE, 280 .type = PORT_SCIF, 281 }; 282 283 static struct resource scif5_resources[] = { 284 DEFINE_RES_MEM(0xfffea800, 0x100), 285 DEFINE_RES_IRQ(200), 286 }; 287 288 static struct platform_device scif5_device = { 289 .name = "sh-sci", 290 .id = 5, 291 .resource = scif5_resources, 292 .num_resources = ARRAY_SIZE(scif5_resources), 293 .dev = { 294 .platform_data = &scif5_platform_data, 295 }, 296 }; 297 298 static struct plat_sci_port scif6_platform_data = { 299 .scscr = SCSCR_REIE, 300 .type = PORT_SCIF, 301 }; 302 303 static struct resource scif6_resources[] = { 304 DEFINE_RES_MEM(0xfffeb000, 0x100), 305 DEFINE_RES_IRQ(204), 306 }; 307 308 static struct platform_device scif6_device = { 309 .name = "sh-sci", 310 .id = 6, 311 .resource = scif6_resources, 312 .num_resources = ARRAY_SIZE(scif6_resources), 313 .dev = { 314 .platform_data = &scif6_platform_data, 315 }, 316 }; 317 318 static struct plat_sci_port scif7_platform_data = { 319 .scscr = SCSCR_REIE, 320 .type = PORT_SCIF, 321 }; 322 323 static struct resource scif7_resources[] = { 324 DEFINE_RES_MEM(0xfffeb800, 0x100), 325 DEFINE_RES_IRQ(208), 326 }; 327 328 static struct platform_device scif7_device = { 329 .name = "sh-sci", 330 .id = 7, 331 .resource = scif7_resources, 332 .num_resources = ARRAY_SIZE(scif7_resources), 333 .dev = { 334 .platform_data = &scif7_platform_data, 335 }, 336 }; 337 338 static struct resource rtc_resources[] = { 339 [0] = { 340 .start = 0xffff0800, 341 .end = 0xffff2000 + 0x58 - 1, 342 .flags = IORESOURCE_IO, 343 }, 344 [1] = { 345 /* Shared Period/Carry/Alarm IRQ */ 346 .start = 152, 347 .flags = IORESOURCE_IRQ, 348 }, 349 }; 350 351 static struct platform_device rtc_device = { 352 .name = "sh-rtc", 353 .id = -1, 354 .num_resources = ARRAY_SIZE(rtc_resources), 355 .resource = rtc_resources, 356 }; 357 358 static struct resource mtu2_resources[] = { 359 DEFINE_RES_MEM(0xfffe4000, 0x400), 360 DEFINE_RES_IRQ_NAMED(108, "tgi0a"), 361 DEFINE_RES_IRQ_NAMED(116, "tgi1a"), 362 DEFINE_RES_IRQ_NAMED(124, "tgi1b"), 363 }; 364 365 static struct platform_device mtu2_device = { 366 .name = "sh-mtu2", 367 .id = -1, 368 .resource = mtu2_resources, 369 .num_resources = ARRAY_SIZE(mtu2_resources), 370 }; 371 372 static struct platform_device *sh7201_devices[] __initdata = { 373 &scif0_device, 374 &scif1_device, 375 &scif2_device, 376 &scif3_device, 377 &scif4_device, 378 &scif5_device, 379 &scif6_device, 380 &scif7_device, 381 &rtc_device, 382 &mtu2_device, 383 }; 384 385 static int __init sh7201_devices_setup(void) 386 { 387 return platform_add_devices(sh7201_devices, 388 ARRAY_SIZE(sh7201_devices)); 389 } 390 arch_initcall(sh7201_devices_setup); 391 392 void __init plat_irq_setup(void) 393 { 394 register_intc_controller(&intc_desc); 395 } 396 397 static struct platform_device *sh7201_early_devices[] __initdata = { 398 &scif0_device, 399 &scif1_device, 400 &scif2_device, 401 &scif3_device, 402 &scif4_device, 403 &scif5_device, 404 &scif6_device, 405 &scif7_device, 406 &mtu2_device, 407 }; 408 409 #define STBCR3 0xfffe0408 410 411 void __init plat_early_device_setup(void) 412 { 413 /* enable MTU2 clock */ 414 __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3); 415 416 sh_early_platform_add_devices(sh7201_early_devices, 417 ARRAY_SIZE(sh7201_early_devices)); 418 } 419