13b52634fSMaxime Ripard /* 23b52634fSMaxime Ripard * Device Tree support for Allwinner A1X SoCs 33b52634fSMaxime Ripard * 43b52634fSMaxime Ripard * Copyright (C) 2012 Maxime Ripard 53b52634fSMaxime Ripard * 63b52634fSMaxime Ripard * Maxime Ripard <maxime.ripard@free-electrons.com> 73b52634fSMaxime Ripard * 83b52634fSMaxime Ripard * This file is licensed under the terms of the GNU General Public 93b52634fSMaxime Ripard * License version 2. This program is licensed "as is" without any 103b52634fSMaxime Ripard * warranty of any kind, whether express or implied. 113b52634fSMaxime Ripard */ 123b52634fSMaxime Ripard 133b52634fSMaxime Ripard #include <linux/kernel.h> 143b52634fSMaxime Ripard #include <linux/init.h> 153b52634fSMaxime Ripard #include <linux/of_irq.h> 163b52634fSMaxime Ripard #include <linux/of_platform.h> 173b52634fSMaxime Ripard #include <linux/io.h> 183b52634fSMaxime Ripard #include <linux/sunxi_timer.h> 193b52634fSMaxime Ripard 203b52634fSMaxime Ripard #include <linux/irqchip/sunxi.h> 213b52634fSMaxime Ripard 223b52634fSMaxime Ripard #include <asm/hardware/vic.h> 233b52634fSMaxime Ripard 243b52634fSMaxime Ripard #include <asm/mach/arch.h> 253b52634fSMaxime Ripard #include <asm/mach/map.h> 263b52634fSMaxime Ripard 273b52634fSMaxime Ripard #include "sunxi.h" 283b52634fSMaxime Ripard 293b52634fSMaxime Ripard static struct map_desc sunxi_io_desc[] __initdata = { 303b52634fSMaxime Ripard { 313b52634fSMaxime Ripard .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE, 323b52634fSMaxime Ripard .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE), 333b52634fSMaxime Ripard .length = SUNXI_REGS_SIZE, 343b52634fSMaxime Ripard .type = MT_DEVICE, 353b52634fSMaxime Ripard }, 363b52634fSMaxime Ripard }; 373b52634fSMaxime Ripard 383b52634fSMaxime Ripard void __init sunxi_map_io(void) 393b52634fSMaxime Ripard { 403b52634fSMaxime Ripard iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); 413b52634fSMaxime Ripard } 423b52634fSMaxime Ripard 433b52634fSMaxime Ripard static void __init sunxi_dt_init(void) 443b52634fSMaxime Ripard { 453b52634fSMaxime Ripard of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 463b52634fSMaxime Ripard } 473b52634fSMaxime Ripard 483b52634fSMaxime Ripard static const char * const sunxi_board_dt_compat[] = { 493b52634fSMaxime Ripard "allwinner,sun5i", 503b52634fSMaxime Ripard NULL, 513b52634fSMaxime Ripard }; 523b52634fSMaxime Ripard 533b52634fSMaxime Ripard DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") 543b52634fSMaxime Ripard .init_machine = sunxi_dt_init, 553b52634fSMaxime Ripard .map_io = sunxi_map_io, 563b52634fSMaxime Ripard .init_irq = sunxi_init_irq, 573b52634fSMaxime Ripard .handle_irq = sunxi_handle_irq, 583b52634fSMaxime Ripard .timer = &sunxi_timer, 593b52634fSMaxime Ripard .dt_compat = sunxi_board_dt_compat, 603b52634fSMaxime Ripard MACHINE_END 61