linux/arch/arm/mach-imx/common.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright 2004-2014 Freescale Semiconductor, Inc. All Rights Reserved.
   4 */
   5
   6
   7#ifndef __ASM_ARCH_MXC_COMMON_H__
   8#define __ASM_ARCH_MXC_COMMON_H__
   9
  10#include <linux/reboot.h>
  11
  12struct irq_data;
  13struct platform_device;
  14struct pt_regs;
  15struct clk;
  16struct device_node;
  17enum mxc_cpu_pwr_mode;
  18struct of_device_id;
  19
  20void mx31_map_io(void);
  21void mx35_map_io(void);
  22void imx21_init_early(void);
  23void imx31_init_early(void);
  24void imx35_init_early(void);
  25void mx31_init_irq(void);
  26void mx35_init_irq(void);
  27void mxc_set_cpu_type(unsigned int type);
  28void mxc_restart(enum reboot_mode, const char *);
  29void mxc_arch_reset_init(void __iomem *);
  30void imx1_reset_init(void __iomem *);
  31void imx_set_aips(void __iomem *);
  32void imx_aips_allow_unprivileged_access(const char *compat);
  33int mxc_device_init(void);
  34void imx_set_soc_revision(unsigned int rev);
  35void imx_init_revision_from_anatop(void);
  36void imx6_enable_rbc(bool enable);
  37void imx_gpc_check_dt(void);
  38void imx_gpc_set_arm_power_in_lpm(bool power_off);
  39void imx_gpc_set_l2_mem_power_in_lpm(bool power_off);
  40void imx_gpc_set_arm_power_up_timing(u32 sw2iso, u32 sw);
  41void imx_gpc_set_arm_power_down_timing(u32 sw2iso, u32 sw);
  42void imx25_pm_init(void);
  43void imx27_pm_init(void);
  44void imx5_pmu_init(void);
  45
  46enum mxc_cpu_pwr_mode {
  47        WAIT_CLOCKED,           /* wfi only */
  48        WAIT_UNCLOCKED,         /* WAIT */
  49        WAIT_UNCLOCKED_POWER_OFF,       /* WAIT + SRPG */
  50        STOP_POWER_ON,          /* just STOP */
  51        STOP_POWER_OFF,         /* STOP + SRPG */
  52};
  53
  54enum ulp_cpu_pwr_mode {
  55        ULP_PM_HSRUN,    /* High speed run mode */
  56        ULP_PM_RUN,      /* Run mode */
  57        ULP_PM_WAIT,     /* Wait mode */
  58        ULP_PM_STOP,     /* Stop mode */
  59        ULP_PM_VLPS,     /* Very low power stop mode */
  60        ULP_PM_VLLS,     /* very low leakage stop mode */
  61};
  62
  63void imx_enable_cpu(int cpu, bool enable);
  64void imx_set_cpu_jump(int cpu, void *jump_addr);
  65u32 imx_get_cpu_arg(int cpu);
  66void imx_set_cpu_arg(int cpu, u32 arg);
  67#ifdef CONFIG_SMP
  68void v7_secondary_startup(void);
  69void imx_scu_map_io(void);
  70void imx_smp_prepare(void);
  71#else
  72static inline void imx_scu_map_io(void) {}
  73static inline void imx_smp_prepare(void) {}
  74#endif
  75void imx_src_init(void);
  76void imx_gpc_pre_suspend(bool arm_power_off);
  77void imx_gpc_post_resume(void);
  78void imx_gpc_mask_all(void);
  79void imx_gpc_restore_all(void);
  80void imx_gpc_hwirq_mask(unsigned int hwirq);
  81void imx_gpc_hwirq_unmask(unsigned int hwirq);
  82void imx_anatop_init(void);
  83void imx_anatop_pre_suspend(void);
  84void imx_anatop_post_resume(void);
  85int imx6_set_lpm(enum mxc_cpu_pwr_mode mode);
  86void imx6_set_int_mem_clk_lpm(bool enable);
  87int imx_mmdc_get_ddr_type(void);
  88int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode);
  89
  90void imx_cpu_die(unsigned int cpu);
  91int imx_cpu_kill(unsigned int cpu);
  92
  93#ifdef CONFIG_SUSPEND
  94void imx53_suspend(void __iomem *ocram_vbase);
  95extern const u32 imx53_suspend_sz;
  96void imx6_suspend(void __iomem *ocram_vbase);
  97#else
  98static inline void imx53_suspend(void __iomem *ocram_vbase) {}
  99static const u32 imx53_suspend_sz;
 100static inline void imx6_suspend(void __iomem *ocram_vbase) {}
 101#endif
 102
 103void v7_cpu_resume(void);
 104
 105void imx6_pm_ccm_init(const char *ccm_compat);
 106void imx6q_pm_init(void);
 107void imx6dl_pm_init(void);
 108void imx6sl_pm_init(void);
 109void imx6sx_pm_init(void);
 110void imx6ul_pm_init(void);
 111void imx7ulp_pm_init(void);
 112
 113#ifdef CONFIG_PM
 114void imx51_pm_init(void);
 115void imx53_pm_init(void);
 116#else
 117static inline void imx51_pm_init(void) {}
 118static inline void imx53_pm_init(void) {}
 119#endif
 120
 121#ifdef CONFIG_NEON
 122int mx51_neon_fixup(void);
 123#else
 124static inline int mx51_neon_fixup(void) { return 0; }
 125#endif
 126
 127#ifdef CONFIG_CACHE_L2X0
 128void imx_init_l2cache(void);
 129#else
 130static inline void imx_init_l2cache(void) {}
 131#endif
 132
 133extern const struct smp_operations imx_smp_ops;
 134extern const struct smp_operations ls1021a_smp_ops;
 135
 136#endif
 137