6b13f685e
 김민수
BSP 최초 추가
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/*
* Copyright (C) 2013-2014 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_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
");
}
static inline void imx6sl_fec_init(void)
{
imx6sl_fec_clk_init();
imx6_enet_mac_init("fsl,imx6sl-fec");
}
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;
mxc_arch_reset_init_dt();
parent = imx_soc_device_init();
if (parent == NULL)
pr_warn("failed to initialize soc device
");
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_init_revision_from_anatop();
imx_init_l2cache();
imx_src_init();
imx_gpc_init();
irqchip_init();
}
static const char *imx6sl_dt_compat[] __initconst = {
"fsl,imx6sl",
NULL,
};
static void __init imx6sl_map_io(void)
{
debug_ll_io_init();
imx6_pm_map_io();
imx6_busfreq_map_io();
}
DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
.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,
.restart = mxc_restart,
MACHINE_END
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