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-imx6sx.c (1721B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright 2014 Freescale Semiconductor, Inc.
      4 */
      5
      6#include <linux/irqchip.h>
      7#include <linux/of_platform.h>
      8#include <linux/phy.h>
      9#include <linux/regmap.h>
     10#include <linux/mfd/syscon.h>
     11#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
     12#include <asm/mach/arch.h>
     13#include <asm/mach/map.h>
     14
     15#include "common.h"
     16#include "cpuidle.h"
     17
     18static void __init imx6sx_enet_clk_sel(void)
     19{
     20	struct regmap *gpr;
     21
     22	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sx-iomuxc-gpr");
     23	if (!IS_ERR(gpr)) {
     24		regmap_update_bits(gpr, IOMUXC_GPR1,
     25				   IMX6SX_GPR1_FEC_CLOCK_MUX_SEL_MASK, 0);
     26		regmap_update_bits(gpr, IOMUXC_GPR1,
     27				   IMX6SX_GPR1_FEC_CLOCK_PAD_DIR_MASK, 0);
     28	} else {
     29		pr_err("failed to find fsl,imx6sx-iomux-gpr regmap\n");
     30	}
     31}
     32
     33static inline void imx6sx_enet_init(void)
     34{
     35	imx6sx_enet_clk_sel();
     36}
     37
     38static void __init imx6sx_init_machine(void)
     39{
     40	of_platform_default_populate(NULL, NULL, NULL);
     41
     42	imx6sx_enet_init();
     43	imx_anatop_init();
     44	imx6sx_pm_init();
     45}
     46
     47static void __init imx6sx_init_irq(void)
     48{
     49	imx_gpc_check_dt();
     50	imx_init_revision_from_anatop();
     51	imx_init_l2cache();
     52	imx_src_init();
     53	irqchip_init();
     54	imx6_pm_ccm_init("fsl,imx6sx-ccm");
     55}
     56
     57static void __init imx6sx_init_late(void)
     58{
     59	imx6sx_cpuidle_init();
     60
     61	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
     62		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
     63}
     64
     65static const char * const imx6sx_dt_compat[] __initconst = {
     66	"fsl,imx6sx",
     67	NULL,
     68};
     69
     70DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)")
     71	.l2c_aux_val 	= 0,
     72	.l2c_aux_mask	= ~0,
     73	.init_irq	= imx6sx_init_irq,
     74	.init_machine	= imx6sx_init_machine,
     75	.dt_compat	= imx6sx_dt_compat,
     76	.init_late	= imx6sx_init_late,
     77MACHINE_END