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| 3 | * Procedures for creating, accessing and interpreting the device tree.
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| 4 | *
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| 5 | * Paul Mackerras August 1996.
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| 6 | * Copyright (C) 1996-2005 Paul Mackerras.
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| 7 | *
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| 8 | * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
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| 9 | * {engebret|bergner}@us.ibm.com
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| 10 |
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| 11 |
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| 12 | #include <linux/kernel.h>
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| 13 | #include <linux/string.h>
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| 14 | #include <linux/memblock.h>
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| 15 | #include <linux/of_fdt.h>
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| 16 |
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| 17 | void __init early_init_devtree(void *params)
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| 18 | {
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| 19 | pr_debug(" -> early_init_devtree(%p)\n", params);
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| 20 |
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| 21 | early_init_dt_scan(params, __pa(params));
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| 22 | if (!strlen(boot_command_line))
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| 23 | strscpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
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| 24 |
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| 25 | memblock_allow_resize();
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| 26 |
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| 27 | pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size());
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| 28 |
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| 29 | pr_debug(" <- early_init_devtree()\n");
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| 30 | }
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