2 * Device Tree support for Allwinner A1X SoCs
4 * Copyright (C) 2012 Maxime Ripard
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/of_irq.h>
16 #include <linux/of_platform.h>
18 #include <linux/sunxi_timer.h>
20 #include <linux/irqchip/sunxi.h>
22 #include <asm/hardware/vic.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
29 static struct map_desc sunxi_io_desc[] __initdata = {
31 .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE,
32 .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE),
33 .length = SUNXI_REGS_SIZE,
38 void __init sunxi_map_io(void)
40 iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc));
43 static void __init sunxi_dt_init(void)
45 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
48 static const char * const sunxi_board_dt_compat[] = {
53 DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
54 .init_machine = sunxi_dt_init,
55 .map_io = sunxi_map_io,
56 .init_irq = sunxi_init_irq,
57 .handle_irq = sunxi_handle_irq,
58 .timer = &sunxi_timer,
59 .dt_compat = sunxi_board_dt_compat,