| Maxime Ripard | 3b52634 | 2012-11-08 12:40:16 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Device Tree support for Allwinner A1X SoCs |
| 3 | * |
| 4 | * Copyright (C) 2012 Maxime Ripard |
| 5 | * |
| 6 | * Maxime Ripard <maxime.ripard@free-electrons.com> |
| 7 | * |
| 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. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/of_irq.h> |
| 16 | #include <linux/of_platform.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <linux/sunxi_timer.h> |
| 19 | |
| 20 | #include <linux/irqchip/sunxi.h> |
| 21 | |
| 22 | #include <asm/hardware/vic.h> |
| 23 | |
| 24 | #include <asm/mach/arch.h> |
| 25 | #include <asm/mach/map.h> |
| 26 | |
| 27 | #include "sunxi.h" |
| 28 | |
| 29 | static struct map_desc sunxi_io_desc[] __initdata = { |
| 30 | { |
| 31 | .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE, |
| 32 | .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE), |
| 33 | .length = SUNXI_REGS_SIZE, |
| 34 | .type = MT_DEVICE, |
| 35 | }, |
| 36 | }; |
| 37 | |
| 38 | void __init sunxi_map_io(void) |
| 39 | { |
| 40 | iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); |
| 41 | } |
| 42 | |
| 43 | static void __init sunxi_dt_init(void) |
| 44 | { |
| 45 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| 46 | } |
| 47 | |
| 48 | static const char * const sunxi_board_dt_compat[] = { |
| 49 | "allwinner,sun5i", |
| 50 | NULL, |
| 51 | }; |
| 52 | |
| 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, |
| 60 | MACHINE_END |