Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 1 | /* |
| 2 | * r8a7779 processor support |
| 3 | * |
| 4 | * Copyright (C) 2011 Renesas Solutions Corp. |
| 5 | * Copyright (C) 2011 Magnus Damm |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/interrupt.h> |
| 23 | #include <linux/irq.h> |
| 24 | #include <linux/platform_device.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/input.h> |
| 27 | #include <linux/io.h> |
| 28 | #include <linux/serial_sci.h> |
| 29 | #include <linux/sh_intc.h> |
| 30 | #include <linux/sh_timer.h> |
| 31 | #include <mach/hardware.h> |
Rob Herring | 250a272 | 2012-01-03 16:57:33 -0600 | [diff] [blame] | 32 | #include <mach/irqs.h> |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 33 | #include <mach/r8a7779.h> |
Magnus Damm | a662c08 | 2012-01-10 15:50:01 +0900 | [diff] [blame] | 34 | #include <mach/common.h> |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 35 | #include <asm/mach-types.h> |
| 36 | #include <asm/mach/arch.h> |
Magnus Damm | df27a2d | 2012-03-06 17:37:01 +0900 | [diff] [blame] | 37 | #include <asm/mach/time.h> |
Magnus Damm | 3e353b87 | 2012-02-29 21:37:43 +0900 | [diff] [blame] | 38 | #include <asm/mach/map.h> |
Magnus Damm | 8bac13f | 2012-03-01 12:48:03 +0900 | [diff] [blame] | 39 | #include <asm/hardware/cache-l2x0.h> |
Magnus Damm | 3e353b87 | 2012-02-29 21:37:43 +0900 | [diff] [blame] | 40 | |
| 41 | static struct map_desc r8a7779_io_desc[] __initdata = { |
| 42 | /* 2M entity map for 0xf0000000 (MPCORE) */ |
| 43 | { |
| 44 | .virtual = 0xf0000000, |
| 45 | .pfn = __phys_to_pfn(0xf0000000), |
| 46 | .length = SZ_2M, |
| 47 | .type = MT_DEVICE_NONSHARED |
| 48 | }, |
| 49 | /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ |
| 50 | { |
| 51 | .virtual = 0xfe000000, |
| 52 | .pfn = __phys_to_pfn(0xfe000000), |
| 53 | .length = SZ_16M, |
| 54 | .type = MT_DEVICE_NONSHARED |
| 55 | }, |
| 56 | }; |
| 57 | |
| 58 | void __init r8a7779_map_io(void) |
| 59 | { |
| 60 | iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); |
| 61 | } |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 62 | |
| 63 | static struct plat_sci_port scif0_platform_data = { |
| 64 | .mapbase = 0xffe40000, |
| 65 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 66 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 67 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 68 | .type = PORT_SCIF, |
| 69 | .irqs = { gic_spi(88), gic_spi(88), |
| 70 | gic_spi(88), gic_spi(88) }, |
| 71 | }; |
| 72 | |
| 73 | static struct platform_device scif0_device = { |
| 74 | .name = "sh-sci", |
| 75 | .id = 0, |
| 76 | .dev = { |
| 77 | .platform_data = &scif0_platform_data, |
| 78 | }, |
| 79 | }; |
| 80 | |
| 81 | static struct plat_sci_port scif1_platform_data = { |
| 82 | .mapbase = 0xffe41000, |
| 83 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 84 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 85 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 86 | .type = PORT_SCIF, |
| 87 | .irqs = { gic_spi(89), gic_spi(89), |
| 88 | gic_spi(89), gic_spi(89) }, |
| 89 | }; |
| 90 | |
| 91 | static struct platform_device scif1_device = { |
| 92 | .name = "sh-sci", |
| 93 | .id = 1, |
| 94 | .dev = { |
| 95 | .platform_data = &scif1_platform_data, |
| 96 | }, |
| 97 | }; |
| 98 | |
| 99 | static struct plat_sci_port scif2_platform_data = { |
| 100 | .mapbase = 0xffe42000, |
| 101 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 102 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 103 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 104 | .type = PORT_SCIF, |
| 105 | .irqs = { gic_spi(90), gic_spi(90), |
| 106 | gic_spi(90), gic_spi(90) }, |
| 107 | }; |
| 108 | |
| 109 | static struct platform_device scif2_device = { |
| 110 | .name = "sh-sci", |
| 111 | .id = 2, |
| 112 | .dev = { |
| 113 | .platform_data = &scif2_platform_data, |
| 114 | }, |
| 115 | }; |
| 116 | |
| 117 | static struct plat_sci_port scif3_platform_data = { |
| 118 | .mapbase = 0xffe43000, |
| 119 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 120 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 121 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 122 | .type = PORT_SCIF, |
| 123 | .irqs = { gic_spi(91), gic_spi(91), |
| 124 | gic_spi(91), gic_spi(91) }, |
| 125 | }; |
| 126 | |
| 127 | static struct platform_device scif3_device = { |
| 128 | .name = "sh-sci", |
| 129 | .id = 3, |
| 130 | .dev = { |
| 131 | .platform_data = &scif3_platform_data, |
| 132 | }, |
| 133 | }; |
| 134 | |
| 135 | static struct plat_sci_port scif4_platform_data = { |
| 136 | .mapbase = 0xffe44000, |
| 137 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 138 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 139 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 140 | .type = PORT_SCIF, |
| 141 | .irqs = { gic_spi(92), gic_spi(92), |
| 142 | gic_spi(92), gic_spi(92) }, |
| 143 | }; |
| 144 | |
| 145 | static struct platform_device scif4_device = { |
| 146 | .name = "sh-sci", |
| 147 | .id = 4, |
| 148 | .dev = { |
| 149 | .platform_data = &scif4_platform_data, |
| 150 | }, |
| 151 | }; |
| 152 | |
| 153 | static struct plat_sci_port scif5_platform_data = { |
| 154 | .mapbase = 0xffe45000, |
| 155 | .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, |
| 156 | .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, |
| 157 | .scbrr_algo_id = SCBRR_ALGO_2, |
| 158 | .type = PORT_SCIF, |
| 159 | .irqs = { gic_spi(93), gic_spi(93), |
| 160 | gic_spi(93), gic_spi(93) }, |
| 161 | }; |
| 162 | |
| 163 | static struct platform_device scif5_device = { |
| 164 | .name = "sh-sci", |
| 165 | .id = 5, |
| 166 | .dev = { |
| 167 | .platform_data = &scif5_platform_data, |
| 168 | }, |
| 169 | }; |
| 170 | |
| 171 | /* TMU */ |
| 172 | static struct sh_timer_config tmu00_platform_data = { |
| 173 | .name = "TMU00", |
| 174 | .channel_offset = 0x4, |
| 175 | .timer_bit = 0, |
| 176 | .clockevent_rating = 200, |
| 177 | }; |
| 178 | |
| 179 | static struct resource tmu00_resources[] = { |
| 180 | [0] = { |
| 181 | .name = "TMU00", |
| 182 | .start = 0xffd80008, |
| 183 | .end = 0xffd80013, |
| 184 | .flags = IORESOURCE_MEM, |
| 185 | }, |
| 186 | [1] = { |
| 187 | .start = gic_spi(32), |
| 188 | .flags = IORESOURCE_IRQ, |
| 189 | }, |
| 190 | }; |
| 191 | |
| 192 | static struct platform_device tmu00_device = { |
| 193 | .name = "sh_tmu", |
| 194 | .id = 0, |
| 195 | .dev = { |
| 196 | .platform_data = &tmu00_platform_data, |
| 197 | }, |
| 198 | .resource = tmu00_resources, |
| 199 | .num_resources = ARRAY_SIZE(tmu00_resources), |
| 200 | }; |
| 201 | |
| 202 | static struct sh_timer_config tmu01_platform_data = { |
| 203 | .name = "TMU01", |
| 204 | .channel_offset = 0x10, |
| 205 | .timer_bit = 1, |
| 206 | .clocksource_rating = 200, |
| 207 | }; |
| 208 | |
| 209 | static struct resource tmu01_resources[] = { |
| 210 | [0] = { |
| 211 | .name = "TMU01", |
| 212 | .start = 0xffd80014, |
| 213 | .end = 0xffd8001f, |
| 214 | .flags = IORESOURCE_MEM, |
| 215 | }, |
| 216 | [1] = { |
| 217 | .start = gic_spi(33), |
| 218 | .flags = IORESOURCE_IRQ, |
| 219 | }, |
| 220 | }; |
| 221 | |
| 222 | static struct platform_device tmu01_device = { |
| 223 | .name = "sh_tmu", |
| 224 | .id = 1, |
| 225 | .dev = { |
| 226 | .platform_data = &tmu01_platform_data, |
| 227 | }, |
| 228 | .resource = tmu01_resources, |
| 229 | .num_resources = ARRAY_SIZE(tmu01_resources), |
| 230 | }; |
| 231 | |
Kuninori Morimoto | ccc2a27 | 2012-10-10 19:56:51 -0700 | [diff] [blame] | 232 | /* I2C */ |
| 233 | static struct resource rcar_i2c0_res[] = { |
| 234 | { |
| 235 | .start = 0xffc70000, |
| 236 | .end = 0xffc70fff, |
| 237 | .flags = IORESOURCE_MEM, |
| 238 | }, { |
| 239 | .start = gic_spi(79), |
| 240 | .flags = IORESOURCE_IRQ, |
| 241 | }, |
| 242 | }; |
| 243 | |
| 244 | static struct platform_device i2c0_device = { |
| 245 | .name = "i2c-rcar", |
| 246 | .id = 0, |
| 247 | .resource = rcar_i2c0_res, |
| 248 | .num_resources = ARRAY_SIZE(rcar_i2c0_res), |
| 249 | }; |
| 250 | |
| 251 | static struct resource rcar_i2c1_res[] = { |
| 252 | { |
| 253 | .start = 0xffc71000, |
| 254 | .end = 0xffc71fff, |
| 255 | .flags = IORESOURCE_MEM, |
| 256 | }, { |
| 257 | .start = gic_spi(82), |
| 258 | .flags = IORESOURCE_IRQ, |
| 259 | }, |
| 260 | }; |
| 261 | |
| 262 | static struct platform_device i2c1_device = { |
| 263 | .name = "i2c-rcar", |
| 264 | .id = 1, |
| 265 | .resource = rcar_i2c1_res, |
| 266 | .num_resources = ARRAY_SIZE(rcar_i2c1_res), |
| 267 | }; |
| 268 | |
| 269 | static struct resource rcar_i2c2_res[] = { |
| 270 | { |
| 271 | .start = 0xffc72000, |
| 272 | .end = 0xffc72fff, |
| 273 | .flags = IORESOURCE_MEM, |
| 274 | }, { |
| 275 | .start = gic_spi(80), |
| 276 | .flags = IORESOURCE_IRQ, |
| 277 | }, |
| 278 | }; |
| 279 | |
| 280 | static struct platform_device i2c2_device = { |
| 281 | .name = "i2c-rcar", |
| 282 | .id = 2, |
| 283 | .resource = rcar_i2c2_res, |
| 284 | .num_resources = ARRAY_SIZE(rcar_i2c2_res), |
| 285 | }; |
| 286 | |
| 287 | static struct resource rcar_i2c3_res[] = { |
| 288 | { |
| 289 | .start = 0xffc73000, |
| 290 | .end = 0xffc73fff, |
| 291 | .flags = IORESOURCE_MEM, |
| 292 | }, { |
| 293 | .start = gic_spi(81), |
| 294 | .flags = IORESOURCE_IRQ, |
| 295 | }, |
| 296 | }; |
| 297 | |
| 298 | static struct platform_device i2c3_device = { |
| 299 | .name = "i2c-rcar", |
| 300 | .id = 3, |
| 301 | .resource = rcar_i2c3_res, |
| 302 | .num_resources = ARRAY_SIZE(rcar_i2c3_res), |
| 303 | }; |
| 304 | |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 305 | static struct platform_device *r8a7779_early_devices[] __initdata = { |
| 306 | &scif0_device, |
| 307 | &scif1_device, |
| 308 | &scif2_device, |
| 309 | &scif3_device, |
| 310 | &scif4_device, |
| 311 | &scif5_device, |
| 312 | &tmu00_device, |
| 313 | &tmu01_device, |
Kuninori Morimoto | ccc2a27 | 2012-10-10 19:56:51 -0700 | [diff] [blame] | 314 | &i2c0_device, |
| 315 | &i2c1_device, |
| 316 | &i2c2_device, |
| 317 | &i2c3_device, |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 318 | }; |
| 319 | |
| 320 | static struct platform_device *r8a7779_late_devices[] __initdata = { |
| 321 | }; |
| 322 | |
| 323 | void __init r8a7779_add_standard_devices(void) |
| 324 | { |
Magnus Damm | 8bac13f | 2012-03-01 12:48:03 +0900 | [diff] [blame] | 325 | #ifdef CONFIG_CACHE_L2X0 |
| 326 | /* Early BRESP enable, Shared attribute override enable, 64K*16way */ |
Kuninori Morimoto | ed7d132 | 2012-10-14 23:35:24 -0700 | [diff] [blame] | 327 | l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); |
Magnus Damm | 8bac13f | 2012-03-01 12:48:03 +0900 | [diff] [blame] | 328 | #endif |
Magnus Damm | a662c08 | 2012-01-10 15:50:01 +0900 | [diff] [blame] | 329 | r8a7779_pm_init(); |
| 330 | |
Rafael J. Wysocki | 45e5ca5 | 2012-08-07 01:14:14 +0200 | [diff] [blame] | 331 | r8a7779_init_pm_domains(); |
Magnus Damm | a662c08 | 2012-01-10 15:50:01 +0900 | [diff] [blame] | 332 | |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 333 | platform_add_devices(r8a7779_early_devices, |
| 334 | ARRAY_SIZE(r8a7779_early_devices)); |
| 335 | platform_add_devices(r8a7779_late_devices, |
| 336 | ARRAY_SIZE(r8a7779_late_devices)); |
| 337 | } |
| 338 | |
Magnus Damm | b759bd1 | 2012-05-10 14:57:22 +0900 | [diff] [blame] | 339 | /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */ |
| 340 | void __init __weak r8a7779_register_twd(void) { } |
| 341 | |
Magnus Damm | df27a2d | 2012-03-06 17:37:01 +0900 | [diff] [blame] | 342 | static void __init r8a7779_earlytimer_init(void) |
| 343 | { |
| 344 | r8a7779_clock_init(); |
| 345 | shmobile_earlytimer_init(); |
Magnus Damm | b759bd1 | 2012-05-10 14:57:22 +0900 | [diff] [blame] | 346 | r8a7779_register_twd(); |
Magnus Damm | df27a2d | 2012-03-06 17:37:01 +0900 | [diff] [blame] | 347 | } |
| 348 | |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 349 | void __init r8a7779_add_early_devices(void) |
| 350 | { |
| 351 | early_platform_add_devices(r8a7779_early_devices, |
| 352 | ARRAY_SIZE(r8a7779_early_devices)); |
Magnus Damm | 3e353b87 | 2012-02-29 21:37:43 +0900 | [diff] [blame] | 353 | |
| 354 | /* Early serial console setup is not included here due to |
| 355 | * memory map collisions. The SCIF serial ports in r8a7779 |
| 356 | * are difficult to entity map 1:1 due to collision with the |
| 357 | * virtual memory range used by the coherent DMA code on ARM. |
| 358 | * |
| 359 | * Anyone wanting to debug early can remove UPF_IOREMAP from |
| 360 | * the sh-sci serial console platform data, adjust mapbase |
| 361 | * to a static M:N virt:phys mapping that needs to be added to |
| 362 | * the mappings passed with iotable_init() above. |
| 363 | * |
| 364 | * Then add a call to shmobile_setup_console() from this function. |
| 365 | * |
| 366 | * As a final step pass earlyprint=sh-sci.2,115200 on the kernel |
| 367 | * command line in case of the marzen board. |
| 368 | */ |
Magnus Damm | df27a2d | 2012-03-06 17:37:01 +0900 | [diff] [blame] | 369 | |
| 370 | /* override timer setup with soc-specific code */ |
| 371 | shmobile_timer.init = r8a7779_earlytimer_init; |
Magnus Damm | f411fad | 2011-12-14 01:36:12 +0900 | [diff] [blame] | 372 | } |