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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ep8248e.c (1111B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Embedded Planet EP8248E with PlanetCore firmware
      4 *
      5 * Author: Scott Wood <scottwood@freescale.com>
      6 *
      7 * Copyright (c) 2007 Freescale Semiconductor, Inc.
      8 */
      9
     10#include "ops.h"
     11#include "stdio.h"
     12#include "planetcore.h"
     13#include "pq2.h"
     14
     15static char *table;
     16static u64 mem_size;
     17
     18#include <io.h>
     19
     20static void platform_fixups(void)
     21{
     22	u64 val;
     23
     24	dt_fixup_memory(0, mem_size);
     25	planetcore_set_mac_addrs(table);
     26
     27	if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
     28		printf("No PlanetCore crystal frequency key.\r\n");
     29		return;
     30	}
     31
     32	pq2_fixup_clocks(val);
     33}
     34
     35void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
     36                   unsigned long r6, unsigned long r7)
     37{
     38	table = (char *)r3;
     39	planetcore_prepare_table(table);
     40
     41	if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
     42		return;
     43
     44	mem_size *= 1024 * 1024;
     45	simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
     46
     47	fdt_init(_dtb_start);
     48
     49	planetcore_set_stdout_path(table);
     50	serial_console_init();
     51	platform_ops.fixups = platform_fixups;
     52}