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67 lines
1.4 KiB
67 lines
1.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* MIPS support for CONFIG_OF device tree support |
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* |
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* Copyright (C) 2010 Cisco Systems Inc. <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/export.h> |
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#include <linux/errno.h> |
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#include <linux/types.h> |
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#include <linux/memblock.h> |
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#include <linux/debugfs.h> |
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#include <linux/of.h> |
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#include <linux/of_fdt.h> |
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#include <linux/of_platform.h> |
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#include <asm/bootinfo.h> |
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#include <asm/page.h> |
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#include <asm/prom.h> |
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static char mips_machine_name[64] = "Unknown"; |
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__init void mips_set_machine_name(const char *name) |
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{ |
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if (name == NULL) |
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return; |
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strlcpy(mips_machine_name, name, sizeof(mips_machine_name)); |
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pr_info("MIPS: machine is %s\n", mips_get_machine_name()); |
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} |
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char *mips_get_machine_name(void) |
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{ |
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return mips_machine_name; |
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} |
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#ifdef CONFIG_USE_OF |
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void __init __dt_setup_arch(void *bph) |
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{ |
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if (!early_init_dt_scan(bph)) |
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return; |
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mips_set_machine_name(of_flat_dt_get_machine_name()); |
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} |
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int __init __dt_register_buses(const char *bus0, const char *bus1) |
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{ |
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static struct of_device_id of_ids[3]; |
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if (!of_have_populated_dt()) |
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panic("device tree not present"); |
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strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible)); |
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if (bus1) { |
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strlcpy(of_ids[1].compatible, bus1, |
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sizeof(of_ids[1].compatible)); |
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} |
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if (of_platform_populate(NULL, of_ids, NULL, NULL)) |
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panic("failed to populate DT"); |
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return 0; |
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} |
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#endif
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