blob: 58e5033c4b187b985de57c1105884daf29382d58 [file] [log] [blame]
/*
* Copyright 2013-2016 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"
#include "hardware.h"
static void __init imx6sl_fec_clk_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 inline void imx6sl_fec_init(void)
{
imx6sl_fec_clk_init();
imx6_enet_mac_init("fsl,imx6sl-fec", "fsl,imx6sl-ocotp");
}
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);
/* cpuidle will be enabled later for i.MX6SLL */
if (cpu_is_imx6sll())
imx6sll_cpuidle_init();
else
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_default_populate(NULL, NULL, parent);
if (!cpu_is_imx6sll())
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();
if (cpu_is_imx6sll())
imx6_pm_ccm_init("fsl,imx6sll-ccm");
else
imx6_pm_ccm_init("fsl,imx6sl-ccm");
}
static void __init imx6sl_map_io(void)
{
debug_ll_io_init();
imx6_pm_map_io();
#ifdef CONFIG_CPU_FREQ
imx_busfreq_map_io();
#endif
}
static const char * const imx6sl_dt_compat[] __initconst = {
"fsl,imx6sl",
"fsl,imx6sll",
NULL,
};
DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
.l2c_aux_val = 0,
.l2c_aux_mask = ~0,
.map_io = imx6sl_map_io,
.init_irq = imx6sl_init_irq,
.init_machine = imx6sl_init_machine,
.init_late = imx6sl_init_late,
.dt_compat = imx6sl_dt_compat,
MACHINE_END