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-imx6sl.c (1970B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright 2013 Freescale Semiconductor, Inc.
      4 */
      5
      6#include <linux/irqchip.h>
      7#include <linux/of_platform.h>
      8#include <linux/mfd/syscon.h>
      9#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
     10#include <linux/regmap.h>
     11#include <asm/mach/arch.h>
     12#include <asm/mach/map.h>
     13
     14#include "common.h"
     15#include "cpuidle.h"
     16#include "hardware.h"
     17
     18static void __init imx6sl_fec_init(void)
     19{
     20	struct regmap *gpr;
     21
     22	/* set FEC clock from internal PLL clock source */
     23	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr");
     24	if (!IS_ERR(gpr)) {
     25		regmap_update_bits(gpr, IOMUXC_GPR1,
     26			IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0);
     27		regmap_update_bits(gpr, IOMUXC_GPR1,
     28			IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0);
     29	} else {
     30		pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n");
     31	}
     32}
     33
     34static void __init imx6sl_init_late(void)
     35{
     36	/* imx6sl reuses imx6q cpufreq driver */
     37	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
     38		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
     39
     40	if (IS_ENABLED(CONFIG_SOC_IMX6SL) && cpu_is_imx6sl())
     41		imx6sl_cpuidle_init();
     42	else if (IS_ENABLED(CONFIG_SOC_IMX6SLL))
     43		imx6sx_cpuidle_init();
     44}
     45
     46static void __init imx6sl_init_machine(void)
     47{
     48	of_platform_default_populate(NULL, NULL, NULL);
     49
     50	if (cpu_is_imx6sl())
     51		imx6sl_fec_init();
     52	imx_anatop_init();
     53	imx6sl_pm_init();
     54}
     55
     56static void __init imx6sl_init_irq(void)
     57{
     58	imx_gpc_check_dt();
     59	imx_init_revision_from_anatop();
     60	imx_init_l2cache();
     61	imx_src_init();
     62	irqchip_init();
     63	if (cpu_is_imx6sl())
     64		imx6_pm_ccm_init("fsl,imx6sl-ccm");
     65	else
     66		imx6_pm_ccm_init("fsl,imx6sll-ccm");
     67}
     68
     69static const char * const imx6sl_dt_compat[] __initconst = {
     70	"fsl,imx6sl",
     71	"fsl,imx6sll",
     72	NULL,
     73};
     74
     75DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
     76	.l2c_aux_val 	= 0,
     77	.l2c_aux_mask	= ~0,
     78	.init_irq	= imx6sl_init_irq,
     79	.init_machine	= imx6sl_init_machine,
     80	.init_late      = imx6sl_init_late,
     81	.dt_compat	= imx6sl_dt_compat,
     82MACHINE_END