cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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prom.c (1478B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * MIPS support for CONFIG_OF device tree support
      4 *
      5 * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
      6 */
      7
      8#include <linux/init.h>
      9#include <linux/export.h>
     10#include <linux/errno.h>
     11#include <linux/types.h>
     12#include <linux/memblock.h>
     13#include <linux/debugfs.h>
     14#include <linux/of.h>
     15#include <linux/of_fdt.h>
     16#include <linux/of_platform.h>
     17
     18#include <asm/bootinfo.h>
     19#include <asm/page.h>
     20#include <asm/prom.h>
     21
     22static char mips_machine_name[64] = "Unknown";
     23
     24__init void mips_set_machine_name(const char *name)
     25{
     26	if (name == NULL)
     27		return;
     28
     29	strlcpy(mips_machine_name, name, sizeof(mips_machine_name));
     30	pr_info("MIPS: machine is %s\n", mips_get_machine_name());
     31}
     32
     33char *mips_get_machine_name(void)
     34{
     35	return mips_machine_name;
     36}
     37
     38#ifdef CONFIG_USE_OF
     39
     40void __init __dt_setup_arch(void *bph)
     41{
     42	if (!early_init_dt_scan(bph))
     43		return;
     44
     45	mips_set_machine_name(of_flat_dt_get_machine_name());
     46}
     47
     48int __init __dt_register_buses(const char *bus0, const char *bus1)
     49{
     50	static struct of_device_id of_ids[3];
     51
     52	if (!of_have_populated_dt())
     53		panic("device tree not present");
     54
     55	strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible));
     56	if (bus1) {
     57		strlcpy(of_ids[1].compatible, bus1,
     58			sizeof(of_ids[1].compatible));
     59	}
     60
     61	if (of_platform_populate(NULL, of_ids, NULL, NULL))
     62		panic("failed to populate DT");
     63
     64	return 0;
     65}
     66
     67void __weak __init device_tree_init(void)
     68{
     69	unflatten_and_copy_device_tree();
     70}
     71
     72#endif