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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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5/*
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* (Hisilicon's Hi36xx/Hi37xx SoC based) flattened device tree enabled machine
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*
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* Copyright (c) 2012-2013 Hisilicon Ltd.
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* Copyright (c) 2012-2013 Linaro Ltd.
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*
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* Author: Haojian Zhuang <haojian.zhuang@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clk-provider.h>
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#include <linux/clocksource.h>
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#include <linux/irqchip.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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/*
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* This table is only for optimization. Since ioremap() could always share
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* the same mapping if it's defined as static IO mapping.
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*
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* Without this table, system could also work. The cost is some virtual address
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* spaces wasted since ioremap() may be called multi times for the same
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* IO space.
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*/
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static struct map_desc hi3620_io_desc[] __initdata = {
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{
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.pfn = __phys_to_pfn(0xfc802000),
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.virtual = 0xfe802000,
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.length = 0x1000,
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.type = MT_DEVICE,
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},
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};
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static void __init hi3620_map_io(void)
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{
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debug_ll_io_init();
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iotable_init(hi3620_io_desc, ARRAY_SIZE(hi3620_io_desc));
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}
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static void __init hi3xxx_timer_init(void)
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{
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of_clk_init(NULL);
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clocksource_of_init();
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}
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static const char *hi3xxx_compat[] __initconst = {
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"hisilicon,hi3620-hi4511",
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NULL,
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};
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DT_MACHINE_START(HI3620, "Hisilicon Hi3620 (Flattened Device Tree)")
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.map_io = hi3620_map_io,
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.init_time = hi3xxx_timer_init,
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.dt_compat = hi3xxx_compat,
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MACHINE_END
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