/* * Copyright 2013 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/regmap.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include "common.h" #include "cpuidle.h" static void __init imx6sl_fec_init(void) { struct regmap *gpr; /* set FEC clock from internal PLL clock source */ gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr"); if (!IS_ERR(gpr)) { regmap_update_bits(gpr, IOMUXC_GPR1, IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0); regmap_update_bits(gpr, IOMUXC_GPR1, IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0); } else { pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n"); } } static void __init imx6sl_init_late(void) { /* imx6sl reuses imx6q cpufreq driver */ if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); imx6sl_cpuidle_init(); } static void __init imx6sl_init_machine(void) { struct device *parent; parent = imx_soc_device_init(); if (parent == NULL) pr_warn("failed to initialize soc device\n"); of_platform_populate(NULL, of_default_bus_match_table, NULL, parent); imx6sl_fec_init(); imx_anatop_init(); imx6sl_pm_init(); } static void __init imx6sl_init_irq(void) { imx_gpc_check_dt(); imx_init_revision_from_anatop(); imx_init_l2cache(); imx_src_init(); irqchip_init(); } static const char * const imx6sl_dt_compat[] __initconst = { "fsl,imx6sl", NULL, }; DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)") .init_irq = imx6sl_init_irq, .init_machine = imx6sl_init_machine, .init_late = imx6sl_init_late, .dt_compat = imx6sl_dt_compat, MACHINE_END