54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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/*
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* Architecture specific OF callbacks.
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*
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* Copyright (C) 2011 Texas Instruments Incorporated
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* Author: Mark Salter <msalter@redhat.com>
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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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*/
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#include <linux/init.h>
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#include <linux/of.h>
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#include <linux/of_fdt.h>
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#include <linux/initrd.h>
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#include <linux/memblock.h>
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void __init early_init_devtree(void *params)
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{
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/* Setup flat device-tree pointer */
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initial_boot_params = params;
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/* Retrieve various informations from the /chosen node of the
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* device-tree, including the platform type, initrd location and
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* size and more ...
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*/
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of_scan_flat_dt(early_init_dt_scan_chosen, c6x_command_line);
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/* Scan memory nodes and rebuild MEMBLOCKs */
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of_scan_flat_dt(early_init_dt_scan_root, NULL);
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of_scan_flat_dt(early_init_dt_scan_memory, NULL);
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}
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#ifdef CONFIG_BLK_DEV_INITRD
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void __init early_init_dt_setup_initrd_arch(unsigned long start,
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unsigned long end)
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{
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initrd_start = (unsigned long)__va(start);
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initrd_end = (unsigned long)__va(end);
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initrd_below_start_ok = 1;
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}
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#endif
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void __init early_init_dt_add_memory_arch(u64 base, u64 size)
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{
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c6x_add_memory(base, size);
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}
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void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
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{
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return __va(memblock_alloc(size, align));
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}
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