mirror of https://gitee.com/openkylin/linux.git
46 lines
1012 B
C
46 lines
1012 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/init.h>
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#include <linux/of_platform.h>
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#include <linux/of_fdt.h>
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#include <linux/bootmem.h>
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#include <asm/prom.h>
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#include <asm/mips-boards/generic.h>
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const char *get_system_type(void)
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{
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return "MIPS SEAD3";
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}
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void __init plat_mem_setup(void)
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{
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/*
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* Load the builtin devicetree. This causes the chosen node to be
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* parsed resulting in our memory appearing
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*/
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__dt_setup_arch(&__dtb_start);
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}
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void __init device_tree_init(void)
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{
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unsigned long base, size;
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if (!initial_boot_params)
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return;
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base = virt_to_phys((void *)initial_boot_params);
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size = be32_to_cpu(initial_boot_params->totalsize);
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/* Before we do anything, lets reserve the dt blob */
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reserve_bootmem(base, size, BOOTMEM_DEFAULT);
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unflatten_device_tree();
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}
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