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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172/* SPDX-License-Identifier: GPL-2.0-only *//* * Functions and macros to control the flowcontroller * * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. */
#ifndef __SOC_TEGRA_FLOWCTRL_H__#define __SOC_TEGRA_FLOWCTRL_H__
#define FLOW_CTRL_HALT_CPU0_EVENTS 0x0#define FLOW_CTRL_WAITEVENT (2 << 29)#define FLOW_CTRL_WAIT_FOR_INTERRUPT (4 << 29)#define FLOW_CTRL_JTAG_RESUME (1 << 28)#define FLOW_CTRL_SCLK_RESUME (1 << 27)#define FLOW_CTRL_HALT_CPU_IRQ (1 << 10)#define FLOW_CTRL_HALT_CPU_FIQ (1 << 8)#define FLOW_CTRL_HALT_LIC_IRQ (1 << 11)#define FLOW_CTRL_HALT_LIC_FIQ (1 << 10)#define FLOW_CTRL_HALT_GIC_IRQ (1 << 9)#define FLOW_CTRL_HALT_GIC_FIQ (1 << 8)#define FLOW_CTRL_CPU0_CSR 0x8#define FLOW_CTRL_CSR_INTR_FLAG (1 << 15)#define FLOW_CTRL_CSR_EVENT_FLAG (1 << 14)#define FLOW_CTRL_CSR_ENABLE_EXT_CRAIL (1 << 13)#define FLOW_CTRL_CSR_ENABLE_EXT_NCPU (1 << 12)#define FLOW_CTRL_CSR_ENABLE_EXT_MASK ( \ FLOW_CTRL_CSR_ENABLE_EXT_NCPU | \ FLOW_CTRL_CSR_ENABLE_EXT_CRAIL)#define FLOW_CTRL_CSR_ENABLE (1 << 0)#define FLOW_CTRL_HALT_CPU1_EVENTS 0x14#define FLOW_CTRL_CPU1_CSR 0x18
#define TEGRA20_FLOW_CTRL_CSR_WFE_CPU0 (1 << 4)#define TEGRA20_FLOW_CTRL_CSR_WFE_BITMAP (3 << 4)#define TEGRA20_FLOW_CTRL_CSR_WFI_BITMAP 0
#define TEGRA30_FLOW_CTRL_CSR_WFI_CPU0 (1 << 8)#define TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP (0xF << 4)#define TEGRA30_FLOW_CTRL_CSR_WFI_BITMAP (0xF << 8)
#ifndef __ASSEMBLY__#ifdef CONFIG_SOC_TEGRA_FLOWCTRLu32 flowctrl_read_cpu_csr(unsigned int cpuid);void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value);void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value);
void flowctrl_cpu_suspend_enter(unsigned int cpuid);void flowctrl_cpu_suspend_exit(unsigned int cpuid);#elsestatic inline u32 flowctrl_read_cpu_csr(unsigned int cpuid){ return 0;}
static inline void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value){}
static inline void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value) {}
static inline void flowctrl_cpu_suspend_enter(unsigned int cpuid){}
static inline void flowctrl_cpu_suspend_exit(unsigned int cpuid){}#endif /* CONFIG_SOC_TEGRA_FLOWCTRL */#endif /* __ASSEMBLY */#endif /* __SOC_TEGRA_FLOWCTRL_H__ */