| /* |
| * (Hisilicon's SoC based) flattened device tree enabled machine |
| * |
| * Copyright (c) 2012-2013 Hisilicon Ltd. |
| * Copyright (c) 2012-2013 Linaro Ltd. |
| * |
| * Author: Haojian Zhuang <haojian.zhuang@linaro.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/clocksource.h> |
| #include <linux/irqchip.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #define HI3620_SYSCTRL_PHYS_BASE 0xfc802000 |
| #define HI3620_SYSCTRL_VIRT_BASE 0xfe802000 |
| |
| /* |
| * This table is only for optimization. Since ioremap() could always share |
| * the same mapping if it's defined as static IO mapping. |
| * |
| * Without this table, system could also work. The cost is some virtual address |
| * spaces wasted since ioremap() may be called multi times for the same |
| * IO space. |
| */ |
| static struct map_desc hi3620_io_desc[] __initdata = { |
| { |
| /* sysctrl */ |
| .pfn = __phys_to_pfn(HI3620_SYSCTRL_PHYS_BASE), |
| .virtual = HI3620_SYSCTRL_VIRT_BASE, |
| .length = 0x1000, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| static void __init hi3620_map_io(void) |
| { |
| debug_ll_io_init(); |
| iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc)); |
| } |
| |
| static const char *const hi3xxx_compat[] __initconst = { |
| "hisilicon,hi3620-hi4511", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)") |
| .map_io = hi3620_map_io, |
| .dt_compat = hi3xxx_compat, |
| MACHINE_END |