1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * SH7203 and SH7263 Setup 4 * 5 * Copyright (C) 2007 - 2009 Paul Mundt 6 */ 7 #include <linux/platform_device.h> 8 #include <linux/init.h> 9 #include <linux/serial.h> 10 #include <linux/serial_sci.h> 11 #include <linux/sh_timer.h> 12 #include <linux/io.h> 13 #include <asm/platform_early.h> 14 15 enum { 16 UNUSED = 0, 17 18 /* interrupt sources */ 19 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, 20 PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7, 21 DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7, 22 USB, LCDC, CMT0, CMT1, BSC, WDT, 23 24 MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU, 25 MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V, 26 27 ADC_ADI, 28 29 IIC30, IIC31, IIC32, IIC33, 30 SCIF0, SCIF1, SCIF2, SCIF3, 31 32 SSU0, SSU1, 33 34 SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII, 35 36 /* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */ 37 ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1, 38 SRC, IEBI, 39 40 /* interrupt groups */ 41 PINT, 42 }; 43 44 static struct intc_vect vectors[] __initdata = { 45 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), 46 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), 47 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69), 48 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71), 49 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81), 50 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83), 51 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85), 52 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87), 53 INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109), 54 INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113), 55 INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117), 56 INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121), 57 INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125), 58 INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129), 59 INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133), 60 INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137), 61 INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141), 62 INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143), 63 INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145), 64 INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147), 65 INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149), 66 INTC_IRQ(MTU0_VEF, 150), 67 INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152), 68 INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154), 69 INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156), 70 INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158), 71 INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160), 72 INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162), 73 INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164), 74 INTC_IRQ(MTU2_TCI3V, 165), 75 INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167), 76 INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169), 77 INTC_IRQ(MTU2_TCI4V, 170), 78 INTC_IRQ(ADC_ADI, 171), 79 INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173), 80 INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175), 81 INTC_IRQ(IIC30, 176), 82 INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178), 83 INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180), 84 INTC_IRQ(IIC31, 181), 85 INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183), 86 INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185), 87 INTC_IRQ(IIC32, 186), 88 INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188), 89 INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190), 90 INTC_IRQ(IIC33, 191), 91 INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193), 92 INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195), 93 INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197), 94 INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199), 95 INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201), 96 INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203), 97 INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205), 98 INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207), 99 INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209), 100 INTC_IRQ(SSU0, 210), 101 INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212), 102 INTC_IRQ(SSU1, 213), 103 INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215), 104 INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217), 105 INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225), 106 INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227), 107 INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232), 108 INTC_IRQ(RTC, 233), 109 INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235), 110 INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237), 111 INTC_IRQ(RCAN0, 238), 112 INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240), 113 INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242), 114 INTC_IRQ(RCAN1, 243), 115 116 /* SH7263-specific trash */ 117 #ifdef CONFIG_CPU_SUBTYPE_SH7263 118 INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219), 119 INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221), 120 INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223), 121 122 INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229), 123 INTC_IRQ(SDHI, 230), 124 125 INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245), 126 INTC_IRQ(SRC, 246), 127 128 INTC_IRQ(IEBI, 247), 129 #endif 130 }; 131 132 static struct intc_group groups[] __initdata = { 133 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3, 134 PINT4, PINT5, PINT6, PINT7), 135 }; 136 137 static struct intc_prio_reg prio_registers[] __initdata = { 138 { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, 139 { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, 140 { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } }, 141 { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } }, 142 { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } }, 143 { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } }, 144 { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } }, 145 { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB, 146 MTU2_VU } }, 147 { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD, 148 MTU2_TCI4V } }, 149 { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } }, 150 { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } }, 151 { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } }, 152 #ifdef CONFIG_CPU_SUBTYPE_SH7203 153 { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII, 154 SSI3_SSII, 0 } }, 155 { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } }, 156 { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } }, 157 #else 158 { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII, 159 SSI3_SSII, ROMDEC } }, 160 { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } }, 161 { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } }, 162 #endif 163 }; 164 165 static struct intc_mask_reg mask_registers[] __initdata = { 166 { 0xfffe0808, 0, 16, /* PINTER */ 167 { 0, 0, 0, 0, 0, 0, 0, 0, 168 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } }, 169 }; 170 171 static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups, 172 mask_registers, prio_registers, NULL); 173 174 static struct plat_sci_port scif0_platform_data = { 175 .scscr = SCSCR_REIE, 176 .type = PORT_SCIF, 177 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, 178 }; 179 180 static struct resource scif0_resources[] = { 181 DEFINE_RES_MEM(0xfffe8000, 0x100), 182 DEFINE_RES_IRQ(192), 183 }; 184 185 static struct platform_device scif0_device = { 186 .name = "sh-sci", 187 .id = 0, 188 .resource = scif0_resources, 189 .num_resources = ARRAY_SIZE(scif0_resources), 190 .dev = { 191 .platform_data = &scif0_platform_data, 192 }, 193 }; 194 195 static struct plat_sci_port scif1_platform_data = { 196 .scscr = SCSCR_REIE, 197 .type = PORT_SCIF, 198 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, 199 }; 200 201 static struct resource scif1_resources[] = { 202 DEFINE_RES_MEM(0xfffe8800, 0x100), 203 DEFINE_RES_IRQ(196), 204 }; 205 206 static struct platform_device scif1_device = { 207 .name = "sh-sci", 208 .id = 1, 209 .resource = scif1_resources, 210 .num_resources = ARRAY_SIZE(scif1_resources), 211 .dev = { 212 .platform_data = &scif1_platform_data, 213 }, 214 }; 215 216 static struct plat_sci_port scif2_platform_data = { 217 .scscr = SCSCR_REIE, 218 .type = PORT_SCIF, 219 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, 220 }; 221 222 static struct resource scif2_resources[] = { 223 DEFINE_RES_MEM(0xfffe9000, 0x100), 224 DEFINE_RES_IRQ(200), 225 }; 226 227 static struct platform_device scif2_device = { 228 .name = "sh-sci", 229 .id = 2, 230 .resource = scif2_resources, 231 .num_resources = ARRAY_SIZE(scif2_resources), 232 .dev = { 233 .platform_data = &scif2_platform_data, 234 }, 235 }; 236 237 static struct plat_sci_port scif3_platform_data = { 238 .scscr = SCSCR_REIE, 239 .type = PORT_SCIF, 240 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, 241 }; 242 243 static struct resource scif3_resources[] = { 244 DEFINE_RES_MEM(0xfffe9800, 0x100), 245 DEFINE_RES_IRQ(204), 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 sh_timer_config cmt_platform_data = { 259 .channels_mask = 3, 260 }; 261 262 static struct resource cmt_resources[] = { 263 DEFINE_RES_MEM(0xfffec000, 0x10), 264 DEFINE_RES_IRQ(142), 265 DEFINE_RES_IRQ(143), 266 }; 267 268 static struct platform_device cmt_device = { 269 .name = "sh-cmt-16", 270 .id = 0, 271 .dev = { 272 .platform_data = &cmt_platform_data, 273 }, 274 .resource = cmt_resources, 275 .num_resources = ARRAY_SIZE(cmt_resources), 276 }; 277 278 static struct resource mtu2_resources[] = { 279 DEFINE_RES_MEM(0xfffe4000, 0x400), 280 DEFINE_RES_IRQ_NAMED(146, "tgi0a"), 281 DEFINE_RES_IRQ_NAMED(153, "tgi1a"), 282 }; 283 284 static struct platform_device mtu2_device = { 285 .name = "sh-mtu2", 286 .id = -1, 287 .resource = mtu2_resources, 288 .num_resources = ARRAY_SIZE(mtu2_resources), 289 }; 290 291 static struct resource rtc_resources[] = { 292 [0] = { 293 .start = 0xffff2000, 294 .end = 0xffff2000 + 0x58 - 1, 295 .flags = IORESOURCE_IO, 296 }, 297 [1] = { 298 /* Shared Period/Carry/Alarm IRQ */ 299 .start = 231, 300 .flags = IORESOURCE_IRQ, 301 }, 302 }; 303 304 static struct platform_device rtc_device = { 305 .name = "sh-rtc", 306 .id = -1, 307 .num_resources = ARRAY_SIZE(rtc_resources), 308 .resource = rtc_resources, 309 }; 310 311 static struct platform_device *sh7203_devices[] __initdata = { 312 &scif0_device, 313 &scif1_device, 314 &scif2_device, 315 &scif3_device, 316 &cmt_device, 317 &mtu2_device, 318 &rtc_device, 319 }; 320 321 static int __init sh7203_devices_setup(void) 322 { 323 return platform_add_devices(sh7203_devices, 324 ARRAY_SIZE(sh7203_devices)); 325 } 326 arch_initcall(sh7203_devices_setup); 327 328 void __init plat_irq_setup(void) 329 { 330 register_intc_controller(&intc_desc); 331 } 332 333 static struct platform_device *sh7203_early_devices[] __initdata = { 334 &scif0_device, 335 &scif1_device, 336 &scif2_device, 337 &scif3_device, 338 &cmt_device, 339 &mtu2_device, 340 }; 341 342 #define STBCR3 0xfffe0408 343 #define STBCR4 0xfffe040c 344 345 void __init plat_early_device_setup(void) 346 { 347 /* enable CMT clock */ 348 __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4); 349 350 /* enable MTU2 clock */ 351 __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3); 352 353 sh_early_platform_add_devices(sh7203_early_devices, 354 ARRAY_SIZE(sh7203_early_devices)); 355 } 356