99 строки
2.2 KiB
C
99 строки
2.2 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"
|
|
|
|
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 int ksz8081_phy_fixup(struct phy_device *dev)
|
|
{
|
|
if (dev && dev->interface == PHY_INTERFACE_MODE_MII) {
|
|
phy_write(dev, 0x1f, 0x8110);
|
|
phy_write(dev, 0x16, 0x201);
|
|
} else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) {
|
|
phy_write(dev, 0x1f, 0x8190);
|
|
phy_write(dev, 0x16, 0x202);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __init imx6ul_enet_phy_init(void)
|
|
{
|
|
if (IS_BUILTIN(CONFIG_PHYLIB))
|
|
phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK,
|
|
ksz8081_phy_fixup);
|
|
}
|
|
|
|
static inline void imx6ul_enet_init(void)
|
|
{
|
|
imx6ul_enet_clk_init();
|
|
imx6ul_enet_phy_init();
|
|
}
|
|
|
|
static void __init imx6ul_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);
|
|
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
|