1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2013 Freescale Semiconductor, Inc.
4 */
5
6#include <linux/irqchip.h>
7#include <linux/of_platform.h>
8#include <linux/mfd/syscon.h>
9#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
10#include <linux/regmap.h>
11#include <asm/mach/arch.h>
12#include <asm/mach/map.h>
13
14#include "common.h"
15#include "cpuidle.h"
16#include "hardware.h"
17
18static void __init imx6sl_fec_init(void)
19{
20	struct regmap *gpr;
21
22	/* set FEC clock from internal PLL clock source */
23	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr");
24	if (!IS_ERR(gpr)) {
25		regmap_update_bits(gpr, IOMUXC_GPR1,
26			IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0);
27		regmap_update_bits(gpr, IOMUXC_GPR1,
28			IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0);
29	} else {
30		pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n");
31	}
32}
33
34static void __init imx6sl_init_late(void)
35{
36	/* imx6sl reuses imx6q cpufreq driver */
37	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
38		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
39
40	if (IS_ENABLED(CONFIG_SOC_IMX6SL) && cpu_is_imx6sl())
41		imx6sl_cpuidle_init();
42	else if (IS_ENABLED(CONFIG_SOC_IMX6SLL))
43		imx6sx_cpuidle_init();
44}
45
46static void __init imx6sl_init_machine(void)
47{
48	of_platform_default_populate(NULL, NULL, NULL);
49
50	if (cpu_is_imx6sl())
51		imx6sl_fec_init();
52	imx_anatop_init();
53	imx6sl_pm_init();
54}
55
56static void __init imx6sl_init_irq(void)
57{
58	imx_gpc_check_dt();
59	imx_init_revision_from_anatop();
60	imx_init_l2cache();
61	imx_src_init();
62	irqchip_init();
63	if (cpu_is_imx6sl())
64		imx6_pm_ccm_init("fsl,imx6sl-ccm");
65	else
66		imx6_pm_ccm_init("fsl,imx6sll-ccm");
67}
68
69static const char * const imx6sl_dt_compat[] __initconst = {
70	"fsl,imx6sl",
71	"fsl,imx6sll",
72	NULL,
73};
74
75DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
76	.l2c_aux_val 	= 0,
77	.l2c_aux_mask	= ~0,
78	.init_irq	= imx6sl_init_irq,
79	.init_machine	= imx6sl_init_machine,
80	.init_late      = imx6sl_init_late,
81	.dt_compat	= imx6sl_dt_compat,
82MACHINE_END
83