| /* 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_FLOWCTRL |
| u32 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); |
| #else |
| static 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__ */ |
