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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ip32-memory.c (1044B)

      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * Copyright (C) 2003 Keith M Wesolowski
      7 * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge)
      8 */
      9#include <linux/types.h>
     10#include <linux/init.h>
     11#include <linux/kernel.h>
     12#include <linux/memblock.h>
     13#include <linux/mm.h>
     14
     15#include <asm/ip32/crime.h>
     16#include <asm/bootinfo.h>
     17#include <asm/page.h>
     18
     19extern void crime_init(void);
     20
     21void __init prom_meminit(void)
     22{
     23	u64 base, size;
     24	int bank;
     25
     26	crime_init();
     27
     28	for (bank=0; bank < CRIME_MAXBANKS; bank++) {
     29		u64 bankctl = crime->bank_ctrl[bank];
     30		base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25;
     31		if (bank != 0 && base == 0)
     32			continue;
     33		size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32;
     34		size <<= 20;
     35		if (base + size > (256 << 20))
     36			base += CRIME_HI_MEM_BASE;
     37
     38		printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
     39			bank, base, size >> 20);
     40		memblock_add(base, size);
     41	}
     42}