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74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/* $NetBSD: smc.h,v 1.2 2014/09/05 08:01:05 skrll Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Reinoud Zandijk.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_SAMSUNG_SMC_H_
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#define _ARM_SAMSUNG_SMC_H_
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/* provided by Samsung for the Exynos SMC calls */
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#define SMC_CMD_INIT (-1)
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#define SMC_CMD_INFO (-2)
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/* For Power Management */
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#define SMC_CMD_SLEEP (-3)
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#define SMC_CMD_CPU1BOOT (-4)
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#define SMC_CMD_CPU0AFTR (-5)
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/* For CP15 Access */
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#define SMC_CMD_C15RESUME (-11)
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/* For L2 Cache Access */
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#define SMC_CMD_L2X0CTRL (-21)
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#define SMC_CMD_L2X0SETUP1 (-22)
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#define SMC_CMD_L2X0SETUP2 (-23)
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#define SMC_CMD_L2X0INVALL (-24)
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#define SMC_CMD_L2X0DEBUG (-25)
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/* XXX status of the following SMC is not known */
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/* For Accessing CP15/SFR (General) */
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#define SMC_CMD_REG (-101)
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/* MACRO for SMC_CMD_REG */
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#define SMC_REG_CLASS_CP15 (0x0 << 30)
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#define SMC_REG_CLASS_SFR_W (0x1 << 30)
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#define SMC_REG_CLASS_SFR_R (0x3 << 30)
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#define SMC_REG_CLASS_MASK (0x3 << 30)
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#define SMC_REG_ID_CP15(CRn, Op1, CRm, Op2) \
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(SMC_REG_CLASS_CP15 | \
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((CRn) << 10) | ((Op1) << 7) | ((CRm) << 3) | (Op2))
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#define SMC_REG_ID_SFR_W(ADDR) (SMC_REG_CLASS_SFR_W | ((ADDR) >> 2))
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#define SMC_REG_ID_SFR_R(ADDR) (SMC_REG_CLASS_SFR_R | ((ADDR) >> 2))
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extern void exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3);
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#endif /* _ARM_SAMSUNG_SMC_H_ */
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