1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 
 
 
 
 4 */
 5#include <linux/irqchip.h>
 6#include <linux/mfd/syscon.h>
 7#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
 8#include <linux/micrel_phy.h>
 9#include <linux/of_platform.h>
10#include <linux/phy.h>
11#include <linux/regmap.h>
12#include <asm/mach/arch.h>
13#include <asm/mach/map.h>
14
15#include "common.h"
16#include "cpuidle.h"
17#include "hardware.h"
18
19static void __init imx6ul_enet_clk_init(void)
20{
21	struct regmap *gpr;
22
23	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
24	if (!IS_ERR(gpr))
25		regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
26				   IMX6UL_GPR1_ENET_CLK_OUTPUT);
27	else
28		pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
29}
30
31static inline void imx6ul_enet_init(void)
32{
33	imx6ul_enet_clk_init();
 
34}
35
36static void __init imx6ul_init_machine(void)
37{
38	imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
39		imx_get_soc_revision());
40
41	of_platform_default_populate(NULL, NULL, NULL);
 
 
 
 
42	imx6ul_enet_init();
43	imx_anatop_init();
44	imx6ul_pm_init();
45}
46
47static void __init imx6ul_init_irq(void)
48{
49	imx_init_revision_from_anatop();
50	imx_src_init();
51	irqchip_init();
52	imx6_pm_ccm_init("fsl,imx6ul-ccm");
53}
54
55static void __init imx6ul_init_late(void)
56{
57	imx6sx_cpuidle_init();
58
59	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
60		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
61}
62
63static const char * const imx6ul_dt_compat[] __initconst = {
64	"fsl,imx6ul",
65	"fsl,imx6ull",
66	NULL,
67};
68
69DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
70	.init_irq	= imx6ul_init_irq,
71	.init_machine	= imx6ul_init_machine,
72	.init_late	= imx6ul_init_late,
73	.dt_compat	= imx6ul_dt_compat,
74MACHINE_END

 
 1/*
 2 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8#include <linux/irqchip.h>
 9#include <linux/mfd/syscon.h>
10#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
11#include <linux/micrel_phy.h>
12#include <linux/of_platform.h>
13#include <linux/phy.h>
14#include <linux/regmap.h>
15#include <asm/mach/arch.h>
16#include <asm/mach/map.h>
17
18#include "common.h"
 
 
19
20static void __init imx6ul_enet_clk_init(void)
21{
22	struct regmap *gpr;
23
24	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
25	if (!IS_ERR(gpr))
26		regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
27				   IMX6UL_GPR1_ENET_CLK_OUTPUT);
28	else
29		pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
30
31}
32
33static int ksz8081_phy_fixup(struct phy_device *dev)
34{
35	if (dev && dev->interface == PHY_INTERFACE_MODE_MII) {
36		phy_write(dev, 0x1f, 0x8110);
37		phy_write(dev, 0x16, 0x201);
38	} else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) {
39		phy_write(dev, 0x1f, 0x8190);
40		phy_write(dev, 0x16, 0x202);
41	}
42
43	return 0;
44}
45
46static void __init imx6ul_enet_phy_init(void)
47{
48	if (IS_BUILTIN(CONFIG_PHYLIB))
49		phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff,
50					   ksz8081_phy_fixup);
51}
52
53static inline void imx6ul_enet_init(void)
54{
55	imx6ul_enet_clk_init();
56	imx6ul_enet_phy_init();
57}
58
59static void __init imx6ul_init_machine(void)
60{
61	struct device *parent;
 
62
63	parent = imx_soc_device_init();
64	if (parent == NULL)
65		pr_warn("failed to initialize soc device\n");
66
67	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
68	imx6ul_enet_init();
69	imx_anatop_init();
70	imx6ul_pm_init();
71}
72
73static void __init imx6ul_init_irq(void)
74{
75	imx_init_revision_from_anatop();
76	imx_src_init();
77	irqchip_init();
78	imx6_pm_ccm_init("fsl,imx6ul-ccm");
79}
80
81static void __init imx6ul_init_late(void)
82{
 
 
83	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
84		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
85}
86
87static const char * const imx6ul_dt_compat[] __initconst = {
88	"fsl,imx6ul",
 
89	NULL,
90};
91
92DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
93	.init_irq	= imx6ul_init_irq,
94	.init_machine	= imx6ul_init_machine,
95	.init_late	= imx6ul_init_late,
96	.dt_compat	= imx6ul_dt_compat,
97MACHINE_END