1f411fadeSMagnus Damm /* 2f411fadeSMagnus Damm * r8a7779 processor support 3f411fadeSMagnus Damm * 4f411fadeSMagnus Damm * Copyright (C) 2011 Renesas Solutions Corp. 5f411fadeSMagnus Damm * Copyright (C) 2011 Magnus Damm 6f411fadeSMagnus Damm * 7f411fadeSMagnus Damm * This program is free software; you can redistribute it and/or modify 8f411fadeSMagnus Damm * it under the terms of the GNU General Public License as published by 9f411fadeSMagnus Damm * the Free Software Foundation; version 2 of the License. 10f411fadeSMagnus Damm * 11f411fadeSMagnus Damm * This program is distributed in the hope that it will be useful, 12f411fadeSMagnus Damm * but WITHOUT ANY WARRANTY; without even the implied warranty of 13f411fadeSMagnus Damm * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14f411fadeSMagnus Damm * GNU General Public License for more details. 15f411fadeSMagnus Damm * 16f411fadeSMagnus Damm * You should have received a copy of the GNU General Public License 17f411fadeSMagnus Damm * along with this program; if not, write to the Free Software 18f411fadeSMagnus Damm * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19f411fadeSMagnus Damm */ 20f411fadeSMagnus Damm #include <linux/kernel.h> 21f411fadeSMagnus Damm #include <linux/init.h> 22f411fadeSMagnus Damm #include <linux/interrupt.h> 23f411fadeSMagnus Damm #include <linux/irq.h> 24f411fadeSMagnus Damm #include <linux/platform_device.h> 25f411fadeSMagnus Damm #include <linux/delay.h> 26f411fadeSMagnus Damm #include <linux/input.h> 27f411fadeSMagnus Damm #include <linux/io.h> 28f411fadeSMagnus Damm #include <linux/serial_sci.h> 29f411fadeSMagnus Damm #include <linux/sh_intc.h> 30f411fadeSMagnus Damm #include <linux/sh_timer.h> 31f411fadeSMagnus Damm #include <mach/hardware.h> 32250a2723SRob Herring #include <mach/irqs.h> 33f411fadeSMagnus Damm #include <mach/r8a7779.h> 34a662c082SMagnus Damm #include <mach/common.h> 35f411fadeSMagnus Damm #include <asm/mach-types.h> 36f411fadeSMagnus Damm #include <asm/mach/arch.h> 37df27a2d8SMagnus Damm #include <asm/mach/time.h> 383e353b87SMagnus Damm #include <asm/mach/map.h> 398bac13f5SMagnus Damm #include <asm/hardware/cache-l2x0.h> 403e353b87SMagnus Damm 413e353b87SMagnus Damm static struct map_desc r8a7779_io_desc[] __initdata = { 423e353b87SMagnus Damm /* 2M entity map for 0xf0000000 (MPCORE) */ 433e353b87SMagnus Damm { 443e353b87SMagnus Damm .virtual = 0xf0000000, 453e353b87SMagnus Damm .pfn = __phys_to_pfn(0xf0000000), 463e353b87SMagnus Damm .length = SZ_2M, 473e353b87SMagnus Damm .type = MT_DEVICE_NONSHARED 483e353b87SMagnus Damm }, 493e353b87SMagnus Damm /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ 503e353b87SMagnus Damm { 513e353b87SMagnus Damm .virtual = 0xfe000000, 523e353b87SMagnus Damm .pfn = __phys_to_pfn(0xfe000000), 533e353b87SMagnus Damm .length = SZ_16M, 543e353b87SMagnus Damm .type = MT_DEVICE_NONSHARED 553e353b87SMagnus Damm }, 563e353b87SMagnus Damm }; 573e353b87SMagnus Damm 583e353b87SMagnus Damm void __init r8a7779_map_io(void) 593e353b87SMagnus Damm { 603e353b87SMagnus Damm iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); 613e353b87SMagnus Damm } 62f411fadeSMagnus Damm 63f411fadeSMagnus Damm static struct plat_sci_port scif0_platform_data = { 64f411fadeSMagnus Damm .mapbase = 0xffe40000, 65f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 66f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 67f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 68f411fadeSMagnus Damm .type = PORT_SCIF, 69ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(88)), 70f411fadeSMagnus Damm }; 71f411fadeSMagnus Damm 72f411fadeSMagnus Damm static struct platform_device scif0_device = { 73f411fadeSMagnus Damm .name = "sh-sci", 74f411fadeSMagnus Damm .id = 0, 75f411fadeSMagnus Damm .dev = { 76f411fadeSMagnus Damm .platform_data = &scif0_platform_data, 77f411fadeSMagnus Damm }, 78f411fadeSMagnus Damm }; 79f411fadeSMagnus Damm 80f411fadeSMagnus Damm static struct plat_sci_port scif1_platform_data = { 81f411fadeSMagnus Damm .mapbase = 0xffe41000, 82f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 83f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 84f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 85f411fadeSMagnus Damm .type = PORT_SCIF, 86ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(89)), 87f411fadeSMagnus Damm }; 88f411fadeSMagnus Damm 89f411fadeSMagnus Damm static struct platform_device scif1_device = { 90f411fadeSMagnus Damm .name = "sh-sci", 91f411fadeSMagnus Damm .id = 1, 92f411fadeSMagnus Damm .dev = { 93f411fadeSMagnus Damm .platform_data = &scif1_platform_data, 94f411fadeSMagnus Damm }, 95f411fadeSMagnus Damm }; 96f411fadeSMagnus Damm 97f411fadeSMagnus Damm static struct plat_sci_port scif2_platform_data = { 98f411fadeSMagnus Damm .mapbase = 0xffe42000, 99f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 100f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 101f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 102f411fadeSMagnus Damm .type = PORT_SCIF, 103ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(90)), 104f411fadeSMagnus Damm }; 105f411fadeSMagnus Damm 106f411fadeSMagnus Damm static struct platform_device scif2_device = { 107f411fadeSMagnus Damm .name = "sh-sci", 108f411fadeSMagnus Damm .id = 2, 109f411fadeSMagnus Damm .dev = { 110f411fadeSMagnus Damm .platform_data = &scif2_platform_data, 111f411fadeSMagnus Damm }, 112f411fadeSMagnus Damm }; 113f411fadeSMagnus Damm 114f411fadeSMagnus Damm static struct plat_sci_port scif3_platform_data = { 115f411fadeSMagnus Damm .mapbase = 0xffe43000, 116f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 117f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 118f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 119f411fadeSMagnus Damm .type = PORT_SCIF, 120ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(91)), 121f411fadeSMagnus Damm }; 122f411fadeSMagnus Damm 123f411fadeSMagnus Damm static struct platform_device scif3_device = { 124f411fadeSMagnus Damm .name = "sh-sci", 125f411fadeSMagnus Damm .id = 3, 126f411fadeSMagnus Damm .dev = { 127f411fadeSMagnus Damm .platform_data = &scif3_platform_data, 128f411fadeSMagnus Damm }, 129f411fadeSMagnus Damm }; 130f411fadeSMagnus Damm 131f411fadeSMagnus Damm static struct plat_sci_port scif4_platform_data = { 132f411fadeSMagnus Damm .mapbase = 0xffe44000, 133f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 134f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 135f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 136f411fadeSMagnus Damm .type = PORT_SCIF, 137ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(92)), 138f411fadeSMagnus Damm }; 139f411fadeSMagnus Damm 140f411fadeSMagnus Damm static struct platform_device scif4_device = { 141f411fadeSMagnus Damm .name = "sh-sci", 142f411fadeSMagnus Damm .id = 4, 143f411fadeSMagnus Damm .dev = { 144f411fadeSMagnus Damm .platform_data = &scif4_platform_data, 145f411fadeSMagnus Damm }, 146f411fadeSMagnus Damm }; 147f411fadeSMagnus Damm 148f411fadeSMagnus Damm static struct plat_sci_port scif5_platform_data = { 149f411fadeSMagnus Damm .mapbase = 0xffe45000, 150f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 151f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 152f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 153f411fadeSMagnus Damm .type = PORT_SCIF, 154ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(93)), 155f411fadeSMagnus Damm }; 156f411fadeSMagnus Damm 157f411fadeSMagnus Damm static struct platform_device scif5_device = { 158f411fadeSMagnus Damm .name = "sh-sci", 159f411fadeSMagnus Damm .id = 5, 160f411fadeSMagnus Damm .dev = { 161f411fadeSMagnus Damm .platform_data = &scif5_platform_data, 162f411fadeSMagnus Damm }, 163f411fadeSMagnus Damm }; 164f411fadeSMagnus Damm 165f411fadeSMagnus Damm /* TMU */ 166f411fadeSMagnus Damm static struct sh_timer_config tmu00_platform_data = { 167f411fadeSMagnus Damm .name = "TMU00", 168f411fadeSMagnus Damm .channel_offset = 0x4, 169f411fadeSMagnus Damm .timer_bit = 0, 170f411fadeSMagnus Damm .clockevent_rating = 200, 171f411fadeSMagnus Damm }; 172f411fadeSMagnus Damm 173f411fadeSMagnus Damm static struct resource tmu00_resources[] = { 174f411fadeSMagnus Damm [0] = { 175f411fadeSMagnus Damm .name = "TMU00", 176f411fadeSMagnus Damm .start = 0xffd80008, 177f411fadeSMagnus Damm .end = 0xffd80013, 178f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 179f411fadeSMagnus Damm }, 180f411fadeSMagnus Damm [1] = { 181f411fadeSMagnus Damm .start = gic_spi(32), 182f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 183f411fadeSMagnus Damm }, 184f411fadeSMagnus Damm }; 185f411fadeSMagnus Damm 186f411fadeSMagnus Damm static struct platform_device tmu00_device = { 187f411fadeSMagnus Damm .name = "sh_tmu", 188f411fadeSMagnus Damm .id = 0, 189f411fadeSMagnus Damm .dev = { 190f411fadeSMagnus Damm .platform_data = &tmu00_platform_data, 191f411fadeSMagnus Damm }, 192f411fadeSMagnus Damm .resource = tmu00_resources, 193f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu00_resources), 194f411fadeSMagnus Damm }; 195f411fadeSMagnus Damm 196f411fadeSMagnus Damm static struct sh_timer_config tmu01_platform_data = { 197f411fadeSMagnus Damm .name = "TMU01", 198f411fadeSMagnus Damm .channel_offset = 0x10, 199f411fadeSMagnus Damm .timer_bit = 1, 200f411fadeSMagnus Damm .clocksource_rating = 200, 201f411fadeSMagnus Damm }; 202f411fadeSMagnus Damm 203f411fadeSMagnus Damm static struct resource tmu01_resources[] = { 204f411fadeSMagnus Damm [0] = { 205f411fadeSMagnus Damm .name = "TMU01", 206f411fadeSMagnus Damm .start = 0xffd80014, 207f411fadeSMagnus Damm .end = 0xffd8001f, 208f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 209f411fadeSMagnus Damm }, 210f411fadeSMagnus Damm [1] = { 211f411fadeSMagnus Damm .start = gic_spi(33), 212f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 213f411fadeSMagnus Damm }, 214f411fadeSMagnus Damm }; 215f411fadeSMagnus Damm 216f411fadeSMagnus Damm static struct platform_device tmu01_device = { 217f411fadeSMagnus Damm .name = "sh_tmu", 218f411fadeSMagnus Damm .id = 1, 219f411fadeSMagnus Damm .dev = { 220f411fadeSMagnus Damm .platform_data = &tmu01_platform_data, 221f411fadeSMagnus Damm }, 222f411fadeSMagnus Damm .resource = tmu01_resources, 223f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu01_resources), 224f411fadeSMagnus Damm }; 225f411fadeSMagnus Damm 226ccc2a27bSKuninori Morimoto /* I2C */ 227ccc2a27bSKuninori Morimoto static struct resource rcar_i2c0_res[] = { 228ccc2a27bSKuninori Morimoto { 229ccc2a27bSKuninori Morimoto .start = 0xffc70000, 230ccc2a27bSKuninori Morimoto .end = 0xffc70fff, 231ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 232ccc2a27bSKuninori Morimoto }, { 233ccc2a27bSKuninori Morimoto .start = gic_spi(79), 234ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 235ccc2a27bSKuninori Morimoto }, 236ccc2a27bSKuninori Morimoto }; 237ccc2a27bSKuninori Morimoto 238ccc2a27bSKuninori Morimoto static struct platform_device i2c0_device = { 239ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 240ccc2a27bSKuninori Morimoto .id = 0, 241ccc2a27bSKuninori Morimoto .resource = rcar_i2c0_res, 242ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c0_res), 243ccc2a27bSKuninori Morimoto }; 244ccc2a27bSKuninori Morimoto 245ccc2a27bSKuninori Morimoto static struct resource rcar_i2c1_res[] = { 246ccc2a27bSKuninori Morimoto { 247ccc2a27bSKuninori Morimoto .start = 0xffc71000, 248ccc2a27bSKuninori Morimoto .end = 0xffc71fff, 249ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 250ccc2a27bSKuninori Morimoto }, { 251ccc2a27bSKuninori Morimoto .start = gic_spi(82), 252ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 253ccc2a27bSKuninori Morimoto }, 254ccc2a27bSKuninori Morimoto }; 255ccc2a27bSKuninori Morimoto 256ccc2a27bSKuninori Morimoto static struct platform_device i2c1_device = { 257ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 258ccc2a27bSKuninori Morimoto .id = 1, 259ccc2a27bSKuninori Morimoto .resource = rcar_i2c1_res, 260ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c1_res), 261ccc2a27bSKuninori Morimoto }; 262ccc2a27bSKuninori Morimoto 263ccc2a27bSKuninori Morimoto static struct resource rcar_i2c2_res[] = { 264ccc2a27bSKuninori Morimoto { 265ccc2a27bSKuninori Morimoto .start = 0xffc72000, 266ccc2a27bSKuninori Morimoto .end = 0xffc72fff, 267ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 268ccc2a27bSKuninori Morimoto }, { 269ccc2a27bSKuninori Morimoto .start = gic_spi(80), 270ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 271ccc2a27bSKuninori Morimoto }, 272ccc2a27bSKuninori Morimoto }; 273ccc2a27bSKuninori Morimoto 274ccc2a27bSKuninori Morimoto static struct platform_device i2c2_device = { 275ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 276ccc2a27bSKuninori Morimoto .id = 2, 277ccc2a27bSKuninori Morimoto .resource = rcar_i2c2_res, 278ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c2_res), 279ccc2a27bSKuninori Morimoto }; 280ccc2a27bSKuninori Morimoto 281ccc2a27bSKuninori Morimoto static struct resource rcar_i2c3_res[] = { 282ccc2a27bSKuninori Morimoto { 283ccc2a27bSKuninori Morimoto .start = 0xffc73000, 284ccc2a27bSKuninori Morimoto .end = 0xffc73fff, 285ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 286ccc2a27bSKuninori Morimoto }, { 287ccc2a27bSKuninori Morimoto .start = gic_spi(81), 288ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 289ccc2a27bSKuninori Morimoto }, 290ccc2a27bSKuninori Morimoto }; 291ccc2a27bSKuninori Morimoto 292ccc2a27bSKuninori Morimoto static struct platform_device i2c3_device = { 293ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 294ccc2a27bSKuninori Morimoto .id = 3, 295ccc2a27bSKuninori Morimoto .resource = rcar_i2c3_res, 296ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c3_res), 297ccc2a27bSKuninori Morimoto }; 298ccc2a27bSKuninori Morimoto 299f411fadeSMagnus Damm static struct platform_device *r8a7779_early_devices[] __initdata = { 300f411fadeSMagnus Damm &scif0_device, 301f411fadeSMagnus Damm &scif1_device, 302f411fadeSMagnus Damm &scif2_device, 303f411fadeSMagnus Damm &scif3_device, 304f411fadeSMagnus Damm &scif4_device, 305f411fadeSMagnus Damm &scif5_device, 306f411fadeSMagnus Damm &tmu00_device, 307f411fadeSMagnus Damm &tmu01_device, 308ccc2a27bSKuninori Morimoto &i2c0_device, 309ccc2a27bSKuninori Morimoto &i2c1_device, 310ccc2a27bSKuninori Morimoto &i2c2_device, 311ccc2a27bSKuninori Morimoto &i2c3_device, 312f411fadeSMagnus Damm }; 313f411fadeSMagnus Damm 314f411fadeSMagnus Damm static struct platform_device *r8a7779_late_devices[] __initdata = { 315f411fadeSMagnus Damm }; 316f411fadeSMagnus Damm 317f411fadeSMagnus Damm void __init r8a7779_add_standard_devices(void) 318f411fadeSMagnus Damm { 3198bac13f5SMagnus Damm #ifdef CONFIG_CACHE_L2X0 3208bac13f5SMagnus Damm /* Early BRESP enable, Shared attribute override enable, 64K*16way */ 321ed7d132aSKuninori Morimoto l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); 3228bac13f5SMagnus Damm #endif 323a662c082SMagnus Damm r8a7779_pm_init(); 324a662c082SMagnus Damm 32545e5ca57SRafael J. Wysocki r8a7779_init_pm_domains(); 326a662c082SMagnus Damm 327f411fadeSMagnus Damm platform_add_devices(r8a7779_early_devices, 328f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 329f411fadeSMagnus Damm platform_add_devices(r8a7779_late_devices, 330f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_late_devices)); 331f411fadeSMagnus Damm } 332f411fadeSMagnus Damm 333b759bd11SMagnus Damm /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */ 334b759bd11SMagnus Damm void __init __weak r8a7779_register_twd(void) { } 335b759bd11SMagnus Damm 3366bb27d73SStephen Warren void __init r8a7779_earlytimer_init(void) 337df27a2d8SMagnus Damm { 338df27a2d8SMagnus Damm r8a7779_clock_init(); 339df27a2d8SMagnus Damm shmobile_earlytimer_init(); 340b759bd11SMagnus Damm r8a7779_register_twd(); 341df27a2d8SMagnus Damm } 342df27a2d8SMagnus Damm 343f411fadeSMagnus Damm void __init r8a7779_add_early_devices(void) 344f411fadeSMagnus Damm { 345f411fadeSMagnus Damm early_platform_add_devices(r8a7779_early_devices, 346f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 3473e353b87SMagnus Damm 3483e353b87SMagnus Damm /* Early serial console setup is not included here due to 3493e353b87SMagnus Damm * memory map collisions. The SCIF serial ports in r8a7779 3503e353b87SMagnus Damm * are difficult to entity map 1:1 due to collision with the 3513e353b87SMagnus Damm * virtual memory range used by the coherent DMA code on ARM. 3523e353b87SMagnus Damm * 3533e353b87SMagnus Damm * Anyone wanting to debug early can remove UPF_IOREMAP from 3543e353b87SMagnus Damm * the sh-sci serial console platform data, adjust mapbase 3553e353b87SMagnus Damm * to a static M:N virt:phys mapping that needs to be added to 3563e353b87SMagnus Damm * the mappings passed with iotable_init() above. 3573e353b87SMagnus Damm * 3583e353b87SMagnus Damm * Then add a call to shmobile_setup_console() from this function. 3593e353b87SMagnus Damm * 3603e353b87SMagnus Damm * As a final step pass earlyprint=sh-sci.2,115200 on the kernel 3613e353b87SMagnus Damm * command line in case of the marzen board. 3623e353b87SMagnus Damm */ 363f411fadeSMagnus Damm } 364