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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cuboot-824x.c (1075B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Old U-boot compatibility for 824x
      4 *
      5 * Copyright (c) 2007 Freescale Semiconductor, Inc.
      6 */
      7
      8#include "ops.h"
      9#include "stdio.h"
     10#include "cuboot.h"
     11
     12#define TARGET_824x
     13#include "ppcboot.h"
     14
     15static bd_t bd;
     16
     17
     18static void platform_fixups(void)
     19{
     20	void *soc;
     21
     22	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
     23	dt_fixup_mac_addresses(bd.bi_enetaddr);
     24	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
     25
     26	soc = find_node_by_devtype(NULL, "soc");
     27	if (soc) {
     28		void *serial = NULL;
     29
     30		setprop(soc, "bus-frequency", &bd.bi_busfreq,
     31		        sizeof(bd.bi_busfreq));
     32
     33		while ((serial = find_node_by_devtype(serial, "serial"))) {
     34			if (get_parent(serial) != soc)
     35				continue;
     36
     37			setprop(serial, "clock-frequency", &bd.bi_busfreq,
     38			        sizeof(bd.bi_busfreq));
     39		}
     40	}
     41}
     42
     43void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
     44                   unsigned long r6, unsigned long r7)
     45{
     46	CUBOOT_INIT();
     47	fdt_init(_dtb_start);
     48	serial_console_init();
     49	platform_ops.fixups = platform_fixups;
     50}