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 638b6edf36SLaurent Pinchart static struct resource r8a7779_pfc_resources[] = { 648b6edf36SLaurent Pinchart [0] = { 658b6edf36SLaurent Pinchart .start = 0xfffc0000, 668b6edf36SLaurent Pinchart .end = 0xfffc023b, 678b6edf36SLaurent Pinchart .flags = IORESOURCE_MEM, 688b6edf36SLaurent Pinchart }, 698b6edf36SLaurent Pinchart [1] = { 708b6edf36SLaurent Pinchart .start = 0xffc40000, 718b6edf36SLaurent Pinchart .end = 0xffc46fff, 728b6edf36SLaurent Pinchart .flags = IORESOURCE_MEM, 738b6edf36SLaurent Pinchart } 748b6edf36SLaurent Pinchart }; 758b6edf36SLaurent Pinchart 768b6edf36SLaurent Pinchart static struct platform_device r8a7779_pfc_device = { 778b6edf36SLaurent Pinchart .name = "pfc-r8a7779", 788b6edf36SLaurent Pinchart .id = -1, 798b6edf36SLaurent Pinchart .resource = r8a7779_pfc_resources, 808b6edf36SLaurent Pinchart .num_resources = ARRAY_SIZE(r8a7779_pfc_resources), 818b6edf36SLaurent Pinchart }; 828b6edf36SLaurent Pinchart 838b6edf36SLaurent Pinchart void __init r8a7779_pinmux_init(void) 848b6edf36SLaurent Pinchart { 858b6edf36SLaurent Pinchart platform_device_register(&r8a7779_pfc_device); 868b6edf36SLaurent Pinchart } 878b6edf36SLaurent Pinchart 88f411fadeSMagnus Damm static struct plat_sci_port scif0_platform_data = { 89f411fadeSMagnus Damm .mapbase = 0xffe40000, 90f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 91f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 92f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 93f411fadeSMagnus Damm .type = PORT_SCIF, 94f411fadeSMagnus Damm .irqs = { gic_spi(88), gic_spi(88), 95f411fadeSMagnus Damm gic_spi(88), 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, 112f411fadeSMagnus Damm .irqs = { gic_spi(89), gic_spi(89), 113f411fadeSMagnus Damm gic_spi(89), gic_spi(89) }, 114f411fadeSMagnus Damm }; 115f411fadeSMagnus Damm 116f411fadeSMagnus Damm static struct platform_device scif1_device = { 117f411fadeSMagnus Damm .name = "sh-sci", 118f411fadeSMagnus Damm .id = 1, 119f411fadeSMagnus Damm .dev = { 120f411fadeSMagnus Damm .platform_data = &scif1_platform_data, 121f411fadeSMagnus Damm }, 122f411fadeSMagnus Damm }; 123f411fadeSMagnus Damm 124f411fadeSMagnus Damm static struct plat_sci_port scif2_platform_data = { 125f411fadeSMagnus Damm .mapbase = 0xffe42000, 126f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 127f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 128f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 129f411fadeSMagnus Damm .type = PORT_SCIF, 130f411fadeSMagnus Damm .irqs = { gic_spi(90), gic_spi(90), 131f411fadeSMagnus Damm gic_spi(90), gic_spi(90) }, 132f411fadeSMagnus Damm }; 133f411fadeSMagnus Damm 134f411fadeSMagnus Damm static struct platform_device scif2_device = { 135f411fadeSMagnus Damm .name = "sh-sci", 136f411fadeSMagnus Damm .id = 2, 137f411fadeSMagnus Damm .dev = { 138f411fadeSMagnus Damm .platform_data = &scif2_platform_data, 139f411fadeSMagnus Damm }, 140f411fadeSMagnus Damm }; 141f411fadeSMagnus Damm 142f411fadeSMagnus Damm static struct plat_sci_port scif3_platform_data = { 143f411fadeSMagnus Damm .mapbase = 0xffe43000, 144f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 145f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 146f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 147f411fadeSMagnus Damm .type = PORT_SCIF, 148f411fadeSMagnus Damm .irqs = { gic_spi(91), gic_spi(91), 149f411fadeSMagnus Damm gic_spi(91), gic_spi(91) }, 150f411fadeSMagnus Damm }; 151f411fadeSMagnus Damm 152f411fadeSMagnus Damm static struct platform_device scif3_device = { 153f411fadeSMagnus Damm .name = "sh-sci", 154f411fadeSMagnus Damm .id = 3, 155f411fadeSMagnus Damm .dev = { 156f411fadeSMagnus Damm .platform_data = &scif3_platform_data, 157f411fadeSMagnus Damm }, 158f411fadeSMagnus Damm }; 159f411fadeSMagnus Damm 160f411fadeSMagnus Damm static struct plat_sci_port scif4_platform_data = { 161f411fadeSMagnus Damm .mapbase = 0xffe44000, 162f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 163f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 164f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 165f411fadeSMagnus Damm .type = PORT_SCIF, 166f411fadeSMagnus Damm .irqs = { gic_spi(92), gic_spi(92), 167f411fadeSMagnus Damm gic_spi(92), gic_spi(92) }, 168f411fadeSMagnus Damm }; 169f411fadeSMagnus Damm 170f411fadeSMagnus Damm static struct platform_device scif4_device = { 171f411fadeSMagnus Damm .name = "sh-sci", 172f411fadeSMagnus Damm .id = 4, 173f411fadeSMagnus Damm .dev = { 174f411fadeSMagnus Damm .platform_data = &scif4_platform_data, 175f411fadeSMagnus Damm }, 176f411fadeSMagnus Damm }; 177f411fadeSMagnus Damm 178f411fadeSMagnus Damm static struct plat_sci_port scif5_platform_data = { 179f411fadeSMagnus Damm .mapbase = 0xffe45000, 180f411fadeSMagnus Damm .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, 181f411fadeSMagnus Damm .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, 182f411fadeSMagnus Damm .scbrr_algo_id = SCBRR_ALGO_2, 183f411fadeSMagnus Damm .type = PORT_SCIF, 184f411fadeSMagnus Damm .irqs = { gic_spi(93), gic_spi(93), 185f411fadeSMagnus Damm gic_spi(93), gic_spi(93) }, 186f411fadeSMagnus Damm }; 187f411fadeSMagnus Damm 188f411fadeSMagnus Damm static struct platform_device scif5_device = { 189f411fadeSMagnus Damm .name = "sh-sci", 190f411fadeSMagnus Damm .id = 5, 191f411fadeSMagnus Damm .dev = { 192f411fadeSMagnus Damm .platform_data = &scif5_platform_data, 193f411fadeSMagnus Damm }, 194f411fadeSMagnus Damm }; 195f411fadeSMagnus Damm 196f411fadeSMagnus Damm /* TMU */ 197f411fadeSMagnus Damm static struct sh_timer_config tmu00_platform_data = { 198f411fadeSMagnus Damm .name = "TMU00", 199f411fadeSMagnus Damm .channel_offset = 0x4, 200f411fadeSMagnus Damm .timer_bit = 0, 201f411fadeSMagnus Damm .clockevent_rating = 200, 202f411fadeSMagnus Damm }; 203f411fadeSMagnus Damm 204f411fadeSMagnus Damm static struct resource tmu00_resources[] = { 205f411fadeSMagnus Damm [0] = { 206f411fadeSMagnus Damm .name = "TMU00", 207f411fadeSMagnus Damm .start = 0xffd80008, 208f411fadeSMagnus Damm .end = 0xffd80013, 209f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 210f411fadeSMagnus Damm }, 211f411fadeSMagnus Damm [1] = { 212f411fadeSMagnus Damm .start = gic_spi(32), 213f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 214f411fadeSMagnus Damm }, 215f411fadeSMagnus Damm }; 216f411fadeSMagnus Damm 217f411fadeSMagnus Damm static struct platform_device tmu00_device = { 218f411fadeSMagnus Damm .name = "sh_tmu", 219f411fadeSMagnus Damm .id = 0, 220f411fadeSMagnus Damm .dev = { 221f411fadeSMagnus Damm .platform_data = &tmu00_platform_data, 222f411fadeSMagnus Damm }, 223f411fadeSMagnus Damm .resource = tmu00_resources, 224f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu00_resources), 225f411fadeSMagnus Damm }; 226f411fadeSMagnus Damm 227f411fadeSMagnus Damm static struct sh_timer_config tmu01_platform_data = { 228f411fadeSMagnus Damm .name = "TMU01", 229f411fadeSMagnus Damm .channel_offset = 0x10, 230f411fadeSMagnus Damm .timer_bit = 1, 231f411fadeSMagnus Damm .clocksource_rating = 200, 232f411fadeSMagnus Damm }; 233f411fadeSMagnus Damm 234f411fadeSMagnus Damm static struct resource tmu01_resources[] = { 235f411fadeSMagnus Damm [0] = { 236f411fadeSMagnus Damm .name = "TMU01", 237f411fadeSMagnus Damm .start = 0xffd80014, 238f411fadeSMagnus Damm .end = 0xffd8001f, 239f411fadeSMagnus Damm .flags = IORESOURCE_MEM, 240f411fadeSMagnus Damm }, 241f411fadeSMagnus Damm [1] = { 242f411fadeSMagnus Damm .start = gic_spi(33), 243f411fadeSMagnus Damm .flags = IORESOURCE_IRQ, 244f411fadeSMagnus Damm }, 245f411fadeSMagnus Damm }; 246f411fadeSMagnus Damm 247f411fadeSMagnus Damm static struct platform_device tmu01_device = { 248f411fadeSMagnus Damm .name = "sh_tmu", 249f411fadeSMagnus Damm .id = 1, 250f411fadeSMagnus Damm .dev = { 251f411fadeSMagnus Damm .platform_data = &tmu01_platform_data, 252f411fadeSMagnus Damm }, 253f411fadeSMagnus Damm .resource = tmu01_resources, 254f411fadeSMagnus Damm .num_resources = ARRAY_SIZE(tmu01_resources), 255f411fadeSMagnus Damm }; 256f411fadeSMagnus Damm 257ccc2a27bSKuninori Morimoto /* I2C */ 258ccc2a27bSKuninori Morimoto static struct resource rcar_i2c0_res[] = { 259ccc2a27bSKuninori Morimoto { 260ccc2a27bSKuninori Morimoto .start = 0xffc70000, 261ccc2a27bSKuninori Morimoto .end = 0xffc70fff, 262ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 263ccc2a27bSKuninori Morimoto }, { 264ccc2a27bSKuninori Morimoto .start = gic_spi(79), 265ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 266ccc2a27bSKuninori Morimoto }, 267ccc2a27bSKuninori Morimoto }; 268ccc2a27bSKuninori Morimoto 269ccc2a27bSKuninori Morimoto static struct platform_device i2c0_device = { 270ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 271ccc2a27bSKuninori Morimoto .id = 0, 272ccc2a27bSKuninori Morimoto .resource = rcar_i2c0_res, 273ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c0_res), 274ccc2a27bSKuninori Morimoto }; 275ccc2a27bSKuninori Morimoto 276ccc2a27bSKuninori Morimoto static struct resource rcar_i2c1_res[] = { 277ccc2a27bSKuninori Morimoto { 278ccc2a27bSKuninori Morimoto .start = 0xffc71000, 279ccc2a27bSKuninori Morimoto .end = 0xffc71fff, 280ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 281ccc2a27bSKuninori Morimoto }, { 282ccc2a27bSKuninori Morimoto .start = gic_spi(82), 283ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 284ccc2a27bSKuninori Morimoto }, 285ccc2a27bSKuninori Morimoto }; 286ccc2a27bSKuninori Morimoto 287ccc2a27bSKuninori Morimoto static struct platform_device i2c1_device = { 288ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 289ccc2a27bSKuninori Morimoto .id = 1, 290ccc2a27bSKuninori Morimoto .resource = rcar_i2c1_res, 291ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c1_res), 292ccc2a27bSKuninori Morimoto }; 293ccc2a27bSKuninori Morimoto 294ccc2a27bSKuninori Morimoto static struct resource rcar_i2c2_res[] = { 295ccc2a27bSKuninori Morimoto { 296ccc2a27bSKuninori Morimoto .start = 0xffc72000, 297ccc2a27bSKuninori Morimoto .end = 0xffc72fff, 298ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 299ccc2a27bSKuninori Morimoto }, { 300ccc2a27bSKuninori Morimoto .start = gic_spi(80), 301ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 302ccc2a27bSKuninori Morimoto }, 303ccc2a27bSKuninori Morimoto }; 304ccc2a27bSKuninori Morimoto 305ccc2a27bSKuninori Morimoto static struct platform_device i2c2_device = { 306ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 307ccc2a27bSKuninori Morimoto .id = 2, 308ccc2a27bSKuninori Morimoto .resource = rcar_i2c2_res, 309ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c2_res), 310ccc2a27bSKuninori Morimoto }; 311ccc2a27bSKuninori Morimoto 312ccc2a27bSKuninori Morimoto static struct resource rcar_i2c3_res[] = { 313ccc2a27bSKuninori Morimoto { 314ccc2a27bSKuninori Morimoto .start = 0xffc73000, 315ccc2a27bSKuninori Morimoto .end = 0xffc73fff, 316ccc2a27bSKuninori Morimoto .flags = IORESOURCE_MEM, 317ccc2a27bSKuninori Morimoto }, { 318ccc2a27bSKuninori Morimoto .start = gic_spi(81), 319ccc2a27bSKuninori Morimoto .flags = IORESOURCE_IRQ, 320ccc2a27bSKuninori Morimoto }, 321ccc2a27bSKuninori Morimoto }; 322ccc2a27bSKuninori Morimoto 323ccc2a27bSKuninori Morimoto static struct platform_device i2c3_device = { 324ccc2a27bSKuninori Morimoto .name = "i2c-rcar", 325ccc2a27bSKuninori Morimoto .id = 3, 326ccc2a27bSKuninori Morimoto .resource = rcar_i2c3_res, 327ccc2a27bSKuninori Morimoto .num_resources = ARRAY_SIZE(rcar_i2c3_res), 328ccc2a27bSKuninori Morimoto }; 329ccc2a27bSKuninori Morimoto 330f411fadeSMagnus Damm static struct platform_device *r8a7779_early_devices[] __initdata = { 331f411fadeSMagnus Damm &scif0_device, 332f411fadeSMagnus Damm &scif1_device, 333f411fadeSMagnus Damm &scif2_device, 334f411fadeSMagnus Damm &scif3_device, 335f411fadeSMagnus Damm &scif4_device, 336f411fadeSMagnus Damm &scif5_device, 337f411fadeSMagnus Damm &tmu00_device, 338f411fadeSMagnus Damm &tmu01_device, 339ccc2a27bSKuninori Morimoto &i2c0_device, 340ccc2a27bSKuninori Morimoto &i2c1_device, 341ccc2a27bSKuninori Morimoto &i2c2_device, 342ccc2a27bSKuninori Morimoto &i2c3_device, 343f411fadeSMagnus Damm }; 344f411fadeSMagnus Damm 345f411fadeSMagnus Damm static struct platform_device *r8a7779_late_devices[] __initdata = { 346f411fadeSMagnus Damm }; 347f411fadeSMagnus Damm 348f411fadeSMagnus Damm void __init r8a7779_add_standard_devices(void) 349f411fadeSMagnus Damm { 3508bac13f5SMagnus Damm #ifdef CONFIG_CACHE_L2X0 3518bac13f5SMagnus Damm /* Early BRESP enable, Shared attribute override enable, 64K*16way */ 352ed7d132aSKuninori Morimoto l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); 3538bac13f5SMagnus Damm #endif 354a662c082SMagnus Damm r8a7779_pm_init(); 355a662c082SMagnus Damm 35645e5ca57SRafael J. Wysocki r8a7779_init_pm_domains(); 357a662c082SMagnus Damm 358f411fadeSMagnus Damm platform_add_devices(r8a7779_early_devices, 359f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 360f411fadeSMagnus Damm platform_add_devices(r8a7779_late_devices, 361f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_late_devices)); 362f411fadeSMagnus Damm } 363f411fadeSMagnus Damm 364b759bd11SMagnus Damm /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */ 365b759bd11SMagnus Damm void __init __weak r8a7779_register_twd(void) { } 366b759bd11SMagnus Damm 367df27a2d8SMagnus Damm static void __init r8a7779_earlytimer_init(void) 368df27a2d8SMagnus Damm { 369df27a2d8SMagnus Damm r8a7779_clock_init(); 370df27a2d8SMagnus Damm shmobile_earlytimer_init(); 371b759bd11SMagnus Damm r8a7779_register_twd(); 372df27a2d8SMagnus Damm } 373df27a2d8SMagnus Damm 374f411fadeSMagnus Damm void __init r8a7779_add_early_devices(void) 375f411fadeSMagnus Damm { 376f411fadeSMagnus Damm early_platform_add_devices(r8a7779_early_devices, 377f411fadeSMagnus Damm ARRAY_SIZE(r8a7779_early_devices)); 3783e353b87SMagnus Damm 3793e353b87SMagnus Damm /* Early serial console setup is not included here due to 3803e353b87SMagnus Damm * memory map collisions. The SCIF serial ports in r8a7779 3813e353b87SMagnus Damm * are difficult to entity map 1:1 due to collision with the 3823e353b87SMagnus Damm * virtual memory range used by the coherent DMA code on ARM. 3833e353b87SMagnus Damm * 3843e353b87SMagnus Damm * Anyone wanting to debug early can remove UPF_IOREMAP from 3853e353b87SMagnus Damm * the sh-sci serial console platform data, adjust mapbase 3863e353b87SMagnus Damm * to a static M:N virt:phys mapping that needs to be added to 3873e353b87SMagnus Damm * the mappings passed with iotable_init() above. 3883e353b87SMagnus Damm * 3893e353b87SMagnus Damm * Then add a call to shmobile_setup_console() from this function. 3903e353b87SMagnus Damm * 3913e353b87SMagnus Damm * As a final step pass earlyprint=sh-sci.2,115200 on the kernel 3923e353b87SMagnus Damm * command line in case of the marzen board. 3933e353b87SMagnus Damm */ 394df27a2d8SMagnus Damm 395df27a2d8SMagnus Damm /* override timer setup with soc-specific code */ 396df27a2d8SMagnus Damm shmobile_timer.init = r8a7779_earlytimer_init; 397f411fadeSMagnus Damm } 398