/* * arch/arm/mach-tegra/flowctrl.h * * functions and macros to control the flowcontroller * * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef __MACH_TEGRA_FLOWCTRL_H #define __MACH_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__ 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); void tegra_flowctrl_init(void); #endif #endif