| /* |
| * Device Tree support for Allwinner A1X SoCs |
| * |
| * Copyright (C) 2012 Maxime Ripard |
| * |
| * Maxime Ripard <maxime.ripard@free-electrons.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/of_irq.h> |
| #include <linux/of_platform.h> |
| #include <linux/io.h> |
| #include <linux/sunxi_timer.h> |
| |
| #include <linux/irqchip/sunxi.h> |
| |
| #include <asm/hardware/vic.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include "sunxi.h" |
| |
| static struct map_desc sunxi_io_desc[] __initdata = { |
| { |
| .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE, |
| .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE), |
| .length = SUNXI_REGS_SIZE, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| void __init sunxi_map_io(void) |
| { |
| iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); |
| } |
| |
| static void __init sunxi_dt_init(void) |
| { |
| of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| } |
| |
| static const char * const sunxi_board_dt_compat[] = { |
| "allwinner,sun5i", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") |
| .init_machine = sunxi_dt_init, |
| .map_io = sunxi_map_io, |
| .init_irq = sunxi_init_irq, |
| .handle_irq = sunxi_handle_irq, |
| .timer = &sunxi_timer, |
| .dt_compat = sunxi_board_dt_compat, |
| MACHINE_END |