OpenCloudOS-Kernel/arch/arm/mach-imx/mach-imx6ul.c

75 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*/
#include <linux/irqchip.h>
#include <linux/mfd/syscon.h>
#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
#include <linux/micrel_phy.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
#include <linux/regmap.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "cpuidle.h"
#include "hardware.h"
static void __init imx6ul_enet_clk_init(void)
{
struct regmap *gpr;
gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
if (!IS_ERR(gpr))
regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
IMX6UL_GPR1_ENET_CLK_OUTPUT);
else
pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
}
static inline void imx6ul_enet_init(void)
{
imx6ul_enet_clk_init();
}
static void __init imx6ul_init_machine(void)
{
imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
imx_get_soc_revision());
of_platform_default_populate(NULL, NULL, NULL);
imx6ul_enet_init();
imx_anatop_init();
imx6ul_pm_init();
}
static void __init imx6ul_init_irq(void)
{
imx_init_revision_from_anatop();
imx_src_init();
irqchip_init();
imx6_pm_ccm_init("fsl,imx6ul-ccm");
}
static void __init imx6ul_init_late(void)
{
imx6sx_cpuidle_init();
if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
}
static const char * const imx6ul_dt_compat[] __initconst = {
"fsl,imx6ul",
"fsl,imx6ull",
NULL,
};
DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
.init_irq = imx6ul_init_irq,
.init_machine = imx6ul_init_machine,
.init_late = imx6ul_init_late,
.dt_compat = imx6ul_dt_compat,
MACHINE_END