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 | |
18 | static 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(s: "fsl,imx6sl-iomuxc-gpr" ); |
24 | if (!IS_ERR(ptr: gpr)) { |
25 | regmap_update_bits(map: gpr, IOMUXC_GPR1, |
26 | IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, val: 0); |
27 | regmap_update_bits(map: gpr, IOMUXC_GPR1, |
28 | IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, val: 0); |
29 | } else { |
30 | pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n" ); |
31 | } |
32 | } |
33 | |
34 | static 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(name: "imx6q-cpufreq" , id: -1, NULL, num: 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 | |
46 | static 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 | |
56 | static 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(ccm_compat: "fsl,imx6sl-ccm" ); |
65 | else |
66 | imx6_pm_ccm_init(ccm_compat: "fsl,imx6sll-ccm" ); |
67 | } |
68 | |
69 | static const char * const imx6sl_dt_compat[] __initconst = { |
70 | "fsl,imx6sl" , |
71 | "fsl,imx6sll" , |
72 | NULL, |
73 | }; |
74 | |
75 | DT_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, |
82 | MACHINE_END |
83 | |