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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#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_HALT_CPU_IRQ (1 << 10)
#define FLOW_CTRL_HALT_CPU_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 (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);
#endif
#endif
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