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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mach-imx27.c (1461B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright 2012 Sascha Hauer, Pengutronix
      4 */
      5
      6#include <linux/init.h>
      7#include <linux/irq.h>
      8#include <linux/of_address.h>
      9#include <linux/of_irq.h>
     10#include <linux/of_platform.h>
     11#include <linux/mm.h>
     12#include <asm/mach/arch.h>
     13#include <asm/mach/map.h>
     14#include <asm/mach/time.h>
     15
     16#include "common.h"
     17#include "hardware.h"
     18#include "mx27.h"
     19
     20/* MX27 memory map definition */
     21static struct map_desc imx27_io_desc[] __initdata = {
     22	/*
     23	 * this fixed mapping covers:
     24	 * - AIPI1
     25	 * - AIPI2
     26	 * - AITC
     27	 * - ROM Patch
     28	 * - and some reserved space
     29	 */
     30	imx_map_entry(MX27, AIPI, MT_DEVICE),
     31	/*
     32	 * this fixed mapping covers:
     33	 * - CSI
     34	 * - ATA
     35	 */
     36	imx_map_entry(MX27, SAHB1, MT_DEVICE),
     37	/*
     38	 * this fixed mapping covers:
     39	 * - EMI
     40	 */
     41	imx_map_entry(MX27, X_MEMC, MT_DEVICE),
     42};
     43
     44/*
     45 * Initialize the memory map. It is called during the
     46 * system startup to create static physical to virtual
     47 * memory map for the IO modules.
     48 */
     49static void __init mx27_map_io(void)
     50{
     51	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
     52}
     53
     54static void __init imx27_init_early(void)
     55{
     56	mxc_set_cpu_type(MXC_CPU_MX27);
     57}
     58
     59static const char * const imx27_dt_board_compat[] __initconst = {
     60	"fsl,imx27",
     61	NULL
     62};
     63
     64DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
     65	.map_io		= mx27_map_io,
     66	.init_early	= imx27_init_early,
     67	.init_late	= imx27_pm_init,
     68	.dt_compat	= imx27_dt_board_compat,
     69MACHINE_END