1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright 2014 Freescale Semiconductor, Inc. |
4 | */ |
5 | |
6 | #include <linux/irqchip.h> |
7 | #include <linux/of_platform.h> |
8 | #include <linux/regmap.h> |
9 | #include <linux/mfd/syscon.h> |
10 | #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> |
11 | #include <asm/mach/arch.h> |
12 | |
13 | #include "common.h" |
14 | #include "cpuidle.h" |
15 | |
16 | static void __init imx6sx_enet_clk_sel(void) |
17 | { |
18 | struct regmap *gpr; |
19 | |
20 | gpr = syscon_regmap_lookup_by_compatible(s: "fsl,imx6sx-iomuxc-gpr" ); |
21 | if (!IS_ERR(ptr: gpr)) { |
22 | regmap_update_bits(map: gpr, IOMUXC_GPR1, |
23 | IMX6SX_GPR1_FEC_CLOCK_MUX_SEL_MASK, val: 0); |
24 | regmap_update_bits(map: gpr, IOMUXC_GPR1, |
25 | IMX6SX_GPR1_FEC_CLOCK_PAD_DIR_MASK, val: 0); |
26 | } else { |
27 | pr_err("failed to find fsl,imx6sx-iomux-gpr regmap\n" ); |
28 | } |
29 | } |
30 | |
31 | static inline void imx6sx_enet_init(void) |
32 | { |
33 | imx6sx_enet_clk_sel(); |
34 | } |
35 | |
36 | static void __init imx6sx_init_machine(void) |
37 | { |
38 | of_platform_default_populate(NULL, NULL, NULL); |
39 | |
40 | imx6sx_enet_init(); |
41 | imx_anatop_init(); |
42 | imx6sx_pm_init(); |
43 | } |
44 | |
45 | static void __init imx6sx_init_irq(void) |
46 | { |
47 | imx_gpc_check_dt(); |
48 | imx_init_revision_from_anatop(); |
49 | imx_init_l2cache(); |
50 | imx_src_init(); |
51 | irqchip_init(); |
52 | imx6_pm_ccm_init(ccm_compat: "fsl,imx6sx-ccm" ); |
53 | } |
54 | |
55 | static void __init imx6sx_init_late(void) |
56 | { |
57 | imx6sx_cpuidle_init(); |
58 | |
59 | if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) |
60 | platform_device_register_simple(name: "imx6q-cpufreq" , id: -1, NULL, num: 0); |
61 | } |
62 | |
63 | static const char * const imx6sx_dt_compat[] __initconst = { |
64 | "fsl,imx6sx" , |
65 | NULL, |
66 | }; |
67 | |
68 | DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)" ) |
69 | .l2c_aux_val = 0, |
70 | .l2c_aux_mask = ~0, |
71 | .init_irq = imx6sx_init_irq, |
72 | .init_machine = imx6sx_init_machine, |
73 | .dt_compat = imx6sx_dt_compat, |
74 | .init_late = imx6sx_init_late, |
75 | MACHINE_END |
76 | |