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> 2410e8d4f6SSimon Horman #include <linux/of_platform.h> 25f411fadeSMagnus Damm #include <linux/platform_device.h> 26f411fadeSMagnus Damm #include <linux/delay.h> 27f411fadeSMagnus Damm #include <linux/input.h> 28f411fadeSMagnus Damm #include <linux/io.h> 29f411fadeSMagnus Damm #include <linux/serial_sci.h> 30f411fadeSMagnus Damm #include <linux/sh_intc.h> 31f411fadeSMagnus Damm #include <linux/sh_timer.h> 32f411fadeSMagnus Damm #include <mach/hardware.h> 33250a2723SRob Herring #include <mach/irqs.h> 34f411fadeSMagnus Damm #include <mach/r8a7779.h> 35a662c082SMagnus Damm #include <mach/common.h> 36f411fadeSMagnus Damm #include <asm/mach-types.h> 37f411fadeSMagnus Damm #include <asm/mach/arch.h> 38df27a2d8SMagnus Damm #include <asm/mach/time.h> 393e353b87SMagnus Damm #include <asm/mach/map.h> 408bac13f5SMagnus Damm #include <asm/hardware/cache-l2x0.h> 413e353b87SMagnus Damm 423e353b87SMagnus Damm static struct map_desc r8a7779_io_desc[] __initdata = { 433e353b87SMagnus Damm /* 2M entity map for 0xf0000000 (MPCORE) */ 443e353b87SMagnus Damm { 453e353b87SMagnus Damm .virtual = 0xf0000000, 463e353b87SMagnus Damm .pfn = __phys_to_pfn(0xf0000000), 473e353b87SMagnus Damm .length = SZ_2M, 483e353b87SMagnus Damm .type = MT_DEVICE_NONSHARED 493e353b87SMagnus Damm }, 503e353b87SMagnus Damm /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ 513e353b87SMagnus Damm { 523e353b87SMagnus Damm .virtual = 0xfe000000, 533e353b87SMagnus Damm .pfn = __phys_to_pfn(0xfe000000), 543e353b87SMagnus Damm .length = SZ_16M, 553e353b87SMagnus Damm .type = MT_DEVICE_NONSHARED 563e353b87SMagnus Damm }, 573e353b87SMagnus Damm }; 583e353b87SMagnus Damm 593e353b87SMagnus Damm void __init r8a7779_map_io(void) 603e353b87SMagnus Damm { 613e353b87SMagnus Damm iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); 623e353b87SMagnus Damm } 63f411fadeSMagnus Damm 648b6edf36SLaurent Pinchart static struct resource r8a7779_pfc_resources[] = { 658b6edf36SLaurent Pinchart [0] = { 668b6edf36SLaurent Pinchart .start = 0xfffc0000, 678b6edf36SLaurent Pinchart .end = 0xfffc023b, 688b6edf36SLaurent Pinchart .flags = IORESOURCE_MEM, 698b6edf36SLaurent Pinchart }, 708b6edf36SLaurent Pinchart [1] = { 718b6edf36SLaurent Pinchart .start = 0xffc40000, 728b6edf36SLaurent Pinchart .end = 0xffc46fff, 738b6edf36SLaurent Pinchart .flags = IORESOURCE_MEM, 748b6edf36SLaurent Pinchart } 758b6edf36SLaurent Pinchart }; 768b6edf36SLaurent Pinchart 778b6edf36SLaurent Pinchart static struct platform_device r8a7779_pfc_device = { 788b6edf36SLaurent Pinchart .name = "pfc-r8a7779", 798b6edf36SLaurent Pinchart .id = -1, 808b6edf36SLaurent Pinchart .resource = r8a7779_pfc_resources, 818b6edf36SLaurent Pinchart .num_resources = ARRAY_SIZE(r8a7779_pfc_resources), 828b6edf36SLaurent Pinchart }; 838b6edf36SLaurent Pinchart 848b6edf36SLaurent Pinchart void __init r8a7779_pinmux_init(void) 858b6edf36SLaurent Pinchart { 868b6edf36SLaurent Pinchart platform_device_register(&r8a7779_pfc_device); 878b6edf36SLaurent Pinchart } 888b6edf36SLaurent Pinchart 89f411fadeSMagnus Damm static struct plat_sci_port scif0_platform_data = { 90f411fadeSMagnus Damm .mapbase = 0xffe40000, 91f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 92f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 93f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 94f411fadeSMagnus Damm .type = PORT_SCIF, 95ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(88)), 96f411fadeSMagnus Damm }; 97f411fadeSMagnus Damm 98f411fadeSMagnus Damm static struct platform_device scif0_device = { 99f411fadeSMagnus Damm .name = "sh-sci", 100f411fadeSMagnus Damm .id = 0, 101f411fadeSMagnus Damm .dev = { 102f411fadeSMagnus Damm .platform_data = &scif0_platform_data, 103f411fadeSMagnus Damm }, 104f411fadeSMagnus Damm }; 105f411fadeSMagnus Damm 106f411fadeSMagnus Damm static struct plat_sci_port scif1_platform_data = { 107f411fadeSMagnus Damm .mapbase = 0xffe41000, 108f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 109f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 110f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 111f411fadeSMagnus Damm .type = PORT_SCIF, 112ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(89)), 113f411fadeSMagnus Damm }; 114f411fadeSMagnus Damm 115f411fadeSMagnus Damm static struct platform_device scif1_device = { 116f411fadeSMagnus Damm .name = "sh-sci", 117f411fadeSMagnus Damm .id = 1, 118f411fadeSMagnus Damm .dev = { 119f411fadeSMagnus Damm .platform_data = &scif1_platform_data, 120f411fadeSMagnus Damm }, 121f411fadeSMagnus Damm }; 122f411fadeSMagnus Damm 123f411fadeSMagnus Damm static struct plat_sci_port scif2_platform_data = { 124f411fadeSMagnus Damm .mapbase = 0xffe42000, 125f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 126f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 127f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 128f411fadeSMagnus Damm .type = PORT_SCIF, 129ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(90)), 130f411fadeSMagnus Damm }; 131f411fadeSMagnus Damm 132f411fadeSMagnus Damm static struct platform_device scif2_device = { 133f411fadeSMagnus Damm .name = "sh-sci", 134f411fadeSMagnus Damm .id = 2, 135f411fadeSMagnus Damm .dev = { 136f411fadeSMagnus Damm .platform_data = &scif2_platform_data, 137f411fadeSMagnus Damm }, 138f411fadeSMagnus Damm }; 139f411fadeSMagnus Damm 140f411fadeSMagnus Damm static struct plat_sci_port scif3_platform_data = { 141f411fadeSMagnus Damm .mapbase = 0xffe43000, 142f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 143f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 144f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 145f411fadeSMagnus Damm .type = PORT_SCIF, 146ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(91)), 147f411fadeSMagnus Damm }; 148f411fadeSMagnus Damm 149f411fadeSMagnus Damm static struct platform_device scif3_device = { 150f411fadeSMagnus Damm .name = "sh-sci", 151f411fadeSMagnus Damm .id = 3, 152f411fadeSMagnus Damm .dev = { 153f411fadeSMagnus Damm .platform_data = &scif3_platform_data, 154f411fadeSMagnus Damm }, 155f411fadeSMagnus Damm }; 156f411fadeSMagnus Damm 157f411fadeSMagnus Damm static struct plat_sci_port scif4_platform_data = { 158f411fadeSMagnus Damm .mapbase = 0xffe44000, 159f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 160f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 161f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 162f411fadeSMagnus Damm .type = PORT_SCIF, 163ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(92)), 164f411fadeSMagnus Damm }; 165f411fadeSMagnus Damm 166f411fadeSMagnus Damm static struct platform_device scif4_device = { 167f411fadeSMagnus Damm .name = "sh-sci", 168f411fadeSMagnus Damm .id = 4, 169f411fadeSMagnus Damm .dev = { 170f411fadeSMagnus Damm .platform_data = &scif4_platform_data, 171f411fadeSMagnus Damm }, 172f411fadeSMagnus Damm }; 173f411fadeSMagnus Damm 174f411fadeSMagnus Damm static struct plat_sci_port scif5_platform_data = { 175f411fadeSMagnus Damm .mapbase = 0xffe45000, 176f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 177f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 178f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 179f411fadeSMagnus Damm .type = PORT_SCIF, 180ff8de98dSKuninori Morimoto .irqs = SCIx_IRQ_MUXED(gic_spi(93)), 181f411fadeSMagnus Damm }; 182f411fadeSMagnus Damm 183f411fadeSMagnus Damm static struct platform_device scif5_device = { 184f411fadeSMagnus Damm .name = "sh-sci", 185f411fadeSMagnus Damm .id = 5, 186f411fadeSMagnus Damm .dev = { 187f411fadeSMagnus Damm .platform_data = &scif5_platform_data, 188f411fadeSMagnus Damm }, 189f411fadeSMagnus Damm }; 190f411fadeSMagnus Damm 191f411fadeSMagnus Damm /* TMU */ 192f411fadeSMagnus Damm static struct sh_timer_config tmu00_platform_data = { 193f411fadeSMagnus Damm .name = "TMU00", 194f411fadeSMagnus Damm .channel_offset = 0x4, 195f411fadeSMagnus Damm .timer_bit = 0, 196f411fadeSMagnus Damm .clockevent_rating = 200, 197f411fadeSMagnus Damm }; 198f411fadeSMagnus Damm 199f411fadeSMagnus Damm static struct resource tmu00_resources[] = { 200f411fadeSMagnus Damm [0] = { 201f411fadeSMagnus Damm .name = "TMU00", 202f411fadeSMagnus Damm .start = 0xffd80008, 203f411fadeSMagnus Damm .end = 0xffd80013, 204f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 205f411fadeSMagnus Damm }, 206f411fadeSMagnus Damm [1] = { 207f411fadeSMagnus Damm .start = gic_spi(32), 208f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 209f411fadeSMagnus Damm }, 210f411fadeSMagnus Damm }; 211f411fadeSMagnus Damm 212f411fadeSMagnus Damm static struct platform_device tmu00_device = { 213f411fadeSMagnus Damm .name = "sh_tmu", 214f411fadeSMagnus Damm .id = 0, 215f411fadeSMagnus Damm .dev = { 216f411fadeSMagnus Damm .platform_data = &tmu00_platform_data, 217f411fadeSMagnus Damm }, 218f411fadeSMagnus Damm .resource = tmu00_resources, 219f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu00_resources), 220f411fadeSMagnus Damm }; 221f411fadeSMagnus Damm 222f411fadeSMagnus Damm static struct sh_timer_config tmu01_platform_data = { 223f411fadeSMagnus Damm .name = "TMU01", 224f411fadeSMagnus Damm .channel_offset = 0x10, 225f411fadeSMagnus Damm .timer_bit = 1, 226f411fadeSMagnus Damm .clocksource_rating = 200, 227f411fadeSMagnus Damm }; 228f411fadeSMagnus Damm 229f411fadeSMagnus Damm static struct resource tmu01_resources[] = { 230f411fadeSMagnus Damm [0] = { 231f411fadeSMagnus Damm .name = "TMU01", 232f411fadeSMagnus Damm .start = 0xffd80014, 233f411fadeSMagnus Damm .end = 0xffd8001f, 234f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 235f411fadeSMagnus Damm }, 236f411fadeSMagnus Damm [1] = { 237f411fadeSMagnus Damm .start = gic_spi(33), 238f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 239f411fadeSMagnus Damm }, 240f411fadeSMagnus Damm }; 241f411fadeSMagnus Damm 242f411fadeSMagnus Damm static struct platform_device tmu01_device = { 243f411fadeSMagnus Damm .name = "sh_tmu", 244f411fadeSMagnus Damm .id = 1, 245f411fadeSMagnus Damm .dev = { 246f411fadeSMagnus Damm .platform_data = &tmu01_platform_data, 247f411fadeSMagnus Damm }, 248f411fadeSMagnus Damm .resource = tmu01_resources, 249f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu01_resources), 250f411fadeSMagnus Damm }; 251f411fadeSMagnus Damm 252ccc2a27bSKuninori Morimoto /* I2C */ 253ccc2a27bSKuninori Morimoto static struct resource rcar_i2c0_res[] = { 254ccc2a27bSKuninori Morimoto { 255ccc2a27bSKuninori Morimoto .start = 0xffc70000, 256ccc2a27bSKuninori Morimoto .end = 0xffc70fff, 257ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 258ccc2a27bSKuninori Morimoto }, { 259ccc2a27bSKuninori Morimoto .start = gic_spi(79), 260ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 261ccc2a27bSKuninori Morimoto }, 262ccc2a27bSKuninori Morimoto }; 263ccc2a27bSKuninori Morimoto 264ccc2a27bSKuninori Morimoto static struct platform_device i2c0_device = { 265ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 266ccc2a27bSKuninori Morimoto .id = 0, 267ccc2a27bSKuninori Morimoto .resource = rcar_i2c0_res, 268ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c0_res), 269ccc2a27bSKuninori Morimoto }; 270ccc2a27bSKuninori Morimoto 271ccc2a27bSKuninori Morimoto static struct resource rcar_i2c1_res[] = { 272ccc2a27bSKuninori Morimoto { 273ccc2a27bSKuninori Morimoto .start = 0xffc71000, 274ccc2a27bSKuninori Morimoto .end = 0xffc71fff, 275ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 276ccc2a27bSKuninori Morimoto }, { 277ccc2a27bSKuninori Morimoto .start = gic_spi(82), 278ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 279ccc2a27bSKuninori Morimoto }, 280ccc2a27bSKuninori Morimoto }; 281ccc2a27bSKuninori Morimoto 282ccc2a27bSKuninori Morimoto static struct platform_device i2c1_device = { 283ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 284ccc2a27bSKuninori Morimoto .id = 1, 285ccc2a27bSKuninori Morimoto .resource = rcar_i2c1_res, 286ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c1_res), 287ccc2a27bSKuninori Morimoto }; 288ccc2a27bSKuninori Morimoto 289ccc2a27bSKuninori Morimoto static struct resource rcar_i2c2_res[] = { 290ccc2a27bSKuninori Morimoto { 291ccc2a27bSKuninori Morimoto .start = 0xffc72000, 292ccc2a27bSKuninori Morimoto .end = 0xffc72fff, 293ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 294ccc2a27bSKuninori Morimoto }, { 295ccc2a27bSKuninori Morimoto .start = gic_spi(80), 296ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 297ccc2a27bSKuninori Morimoto }, 298ccc2a27bSKuninori Morimoto }; 299ccc2a27bSKuninori Morimoto 300ccc2a27bSKuninori Morimoto static struct platform_device i2c2_device = { 301ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 302ccc2a27bSKuninori Morimoto .id = 2, 303ccc2a27bSKuninori Morimoto .resource = rcar_i2c2_res, 304ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c2_res), 305ccc2a27bSKuninori Morimoto }; 306ccc2a27bSKuninori Morimoto 307ccc2a27bSKuninori Morimoto static struct resource rcar_i2c3_res[] = { 308ccc2a27bSKuninori Morimoto { 309ccc2a27bSKuninori Morimoto .start = 0xffc73000, 310ccc2a27bSKuninori Morimoto .end = 0xffc73fff, 311ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 312ccc2a27bSKuninori Morimoto }, { 313ccc2a27bSKuninori Morimoto .start = gic_spi(81), 314ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 315ccc2a27bSKuninori Morimoto }, 316ccc2a27bSKuninori Morimoto }; 317ccc2a27bSKuninori Morimoto 318ccc2a27bSKuninori Morimoto static struct platform_device i2c3_device = { 319ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 320ccc2a27bSKuninori Morimoto .id = 3, 321ccc2a27bSKuninori Morimoto .resource = rcar_i2c3_res, 322ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c3_res), 323ccc2a27bSKuninori Morimoto }; 324ccc2a27bSKuninori Morimoto 32510e8d4f6SSimon Horman static struct platform_device *r8a7779_early_devices_dt[] __initdata = { 326f411fadeSMagnus Damm &scif0_device, 327f411fadeSMagnus Damm &scif1_device, 328f411fadeSMagnus Damm &scif2_device, 329f411fadeSMagnus Damm &scif3_device, 330f411fadeSMagnus Damm &scif4_device, 331f411fadeSMagnus Damm &scif5_device, 332f411fadeSMagnus Damm &tmu00_device, 333f411fadeSMagnus Damm &tmu01_device, 33410e8d4f6SSimon Horman }; 33510e8d4f6SSimon Horman 33610e8d4f6SSimon Horman static struct platform_device *r8a7779_early_devices[] __initdata = { 337ccc2a27bSKuninori Morimoto &i2c0_device, 338ccc2a27bSKuninori Morimoto &i2c1_device, 339ccc2a27bSKuninori Morimoto &i2c2_device, 340ccc2a27bSKuninori Morimoto &i2c3_device, 341f411fadeSMagnus Damm }; 342f411fadeSMagnus Damm 343f411fadeSMagnus Damm void __init r8a7779_add_standard_devices(void) 344f411fadeSMagnus Damm { 3458bac13f5SMagnus Damm #ifdef CONFIG_CACHE_L2X0 3468bac13f5SMagnus Damm /* Early BRESP enable, Shared attribute override enable, 64K*16way */ 347ed7d132aSKuninori Morimoto l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); 3488bac13f5SMagnus Damm #endif 349a662c082SMagnus Damm r8a7779_pm_init(); 350a662c082SMagnus Damm 35145e5ca57SRafael J. Wysocki r8a7779_init_pm_domains(); 352a662c082SMagnus Damm 35310e8d4f6SSimon Horman platform_add_devices(r8a7779_early_devices_dt, 35410e8d4f6SSimon Horman ARRAY_SIZE(r8a7779_early_devices_dt)); 355f411fadeSMagnus Damm platform_add_devices(r8a7779_early_devices, 356f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 357f411fadeSMagnus Damm } 358f411fadeSMagnus Damm 359b759bd11SMagnus Damm /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */ 360b759bd11SMagnus Damm void __init __weak r8a7779_register_twd(void) { } 361b759bd11SMagnus Damm 3626bb27d73SStephen Warren void __init r8a7779_earlytimer_init(void) 363df27a2d8SMagnus Damm { 364df27a2d8SMagnus Damm r8a7779_clock_init(); 365df27a2d8SMagnus Damm shmobile_earlytimer_init(); 366b759bd11SMagnus Damm r8a7779_register_twd(); 367df27a2d8SMagnus Damm } 368df27a2d8SMagnus Damm 369f411fadeSMagnus Damm void __init r8a7779_add_early_devices(void) 370f411fadeSMagnus Damm { 37110e8d4f6SSimon Horman early_platform_add_devices(r8a7779_early_devices_dt, 37210e8d4f6SSimon Horman ARRAY_SIZE(r8a7779_early_devices_dt)); 373f411fadeSMagnus Damm early_platform_add_devices(r8a7779_early_devices, 374f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 3753e353b87SMagnus Damm 3763e353b87SMagnus Damm /* Early serial console setup is not included here due to 3773e353b87SMagnus Damm * memory map collisions. The SCIF serial ports in r8a7779 3783e353b87SMagnus Damm * are difficult to entity map 1:1 due to collision with the 3793e353b87SMagnus Damm * virtual memory range used by the coherent DMA code on ARM. 3803e353b87SMagnus Damm * 3813e353b87SMagnus Damm * Anyone wanting to debug early can remove UPF_IOREMAP from 3823e353b87SMagnus Damm * the sh-sci serial console platform data, adjust mapbase 3833e353b87SMagnus Damm * to a static M:N virt:phys mapping that needs to be added to 3843e353b87SMagnus Damm * the mappings passed with iotable_init() above. 3853e353b87SMagnus Damm * 3863e353b87SMagnus Damm * Then add a call to shmobile_setup_console() from this function. 3873e353b87SMagnus Damm * 3883e353b87SMagnus Damm * As a final step pass earlyprint=sh-sci.2,115200 on the kernel 3893e353b87SMagnus Damm * command line in case of the marzen board. 3903e353b87SMagnus Damm */ 391f411fadeSMagnus Damm } 39210e8d4f6SSimon Horman 39310e8d4f6SSimon Horman #ifdef CONFIG_USE_OF 39410e8d4f6SSimon Horman void __init r8a7779_add_early_devices_dt(void) 39510e8d4f6SSimon Horman { 39610e8d4f6SSimon Horman shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */ 39710e8d4f6SSimon Horman 39810e8d4f6SSimon Horman early_platform_add_devices(r8a7779_early_devices_dt, 39910e8d4f6SSimon Horman ARRAY_SIZE(r8a7779_early_devices_dt)); 40010e8d4f6SSimon Horman 40110e8d4f6SSimon Horman /* Early serial console setup is not included here. 40210e8d4f6SSimon Horman * See comment in r8a7779_add_early_devices(). 40310e8d4f6SSimon Horman */ 40410e8d4f6SSimon Horman } 40510e8d4f6SSimon Horman 40610e8d4f6SSimon Horman static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = { 40710e8d4f6SSimon Horman {}, 40810e8d4f6SSimon Horman }; 40910e8d4f6SSimon Horman 41010e8d4f6SSimon Horman void __init r8a7779_add_standard_devices_dt(void) 41110e8d4f6SSimon Horman { 41210e8d4f6SSimon Horman /* clocks are setup late during boot in the case of DT */ 41310e8d4f6SSimon Horman r8a7779_clock_init(); 41410e8d4f6SSimon Horman 41510e8d4f6SSimon Horman platform_add_devices(r8a7779_early_devices_dt, 41610e8d4f6SSimon Horman ARRAY_SIZE(r8a7779_early_devices_dt)); 41710e8d4f6SSimon Horman of_platform_populate(NULL, of_default_bus_match_table, 41810e8d4f6SSimon Horman r8a7779_auxdata_lookup, NULL); 41910e8d4f6SSimon Horman } 42010e8d4f6SSimon Horman 42110e8d4f6SSimon Horman static const char *r8a7779_compat_dt[] __initdata = { 42210e8d4f6SSimon Horman "renesas,r8a7779", 42310e8d4f6SSimon Horman NULL, 42410e8d4f6SSimon Horman }; 42510e8d4f6SSimon Horman 42610e8d4f6SSimon Horman DT_MACHINE_START(SH73A0_DT, "Generic R8A7779 (Flattened Device Tree)") 42710e8d4f6SSimon Horman .map_io = r8a7779_map_io, 42810e8d4f6SSimon Horman .init_early = r8a7779_add_early_devices_dt, 42910e8d4f6SSimon Horman .nr_irqs = NR_IRQS_LEGACY, 43010e8d4f6SSimon Horman .init_irq = r8a7779_init_irq_dt, 43110e8d4f6SSimon Horman .init_machine = r8a7779_add_standard_devices_dt, 43210e8d4f6SSimon Horman .init_time = shmobile_timer_init, 43310e8d4f6SSimon Horman .dt_compat = r8a7779_compat_dt, 43410e8d4f6SSimon Horman MACHINE_END 43510e8d4f6SSimon Horman #endif /* CONFIG_USE_OF */ 436