1 /* $NetBSD: smc.h,v 1.2 2014/09/05 08:01:05 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Reinoud Zandijk. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 33 #ifndef _ARM_SAMSUNG_SMC_H_ 34 #define _ARM_SAMSUNG_SMC_H_ 35 36 /* provided by Samsung for the Exynos SMC calls */ 37 38 #define SMC_CMD_INIT (-1) 39 #define SMC_CMD_INFO (-2) 40 /* For Power Management */ 41 #define SMC_CMD_SLEEP (-3) 42 #define SMC_CMD_CPU1BOOT (-4) 43 #define SMC_CMD_CPU0AFTR (-5) 44 /* For CP15 Access */ 45 #define SMC_CMD_C15RESUME (-11) 46 /* For L2 Cache Access */ 47 #define SMC_CMD_L2X0CTRL (-21) 48 #define SMC_CMD_L2X0SETUP1 (-22) 49 #define SMC_CMD_L2X0SETUP2 (-23) 50 #define SMC_CMD_L2X0INVALL (-24) 51 #define SMC_CMD_L2X0DEBUG (-25) 52 53 54 /* XXX status of the following SMC is not known */ 55 /* For Accessing CP15/SFR (General) */ 56 #define SMC_CMD_REG (-101) 57 58 /* MACRO for SMC_CMD_REG */ 59 #define SMC_REG_CLASS_CP15 (0x0 << 30) 60 #define SMC_REG_CLASS_SFR_W (0x1 << 30) 61 #define SMC_REG_CLASS_SFR_R (0x3 << 30) 62 #define SMC_REG_CLASS_MASK (0x3 << 30) 63 #define SMC_REG_ID_CP15(CRn, Op1, CRm, Op2) \ 64 (SMC_REG_CLASS_CP15 | \ 65 ((CRn) << 10) | ((Op1) << 7) | ((CRm) << 3) | (Op2)) 66 #define SMC_REG_ID_SFR_W(ADDR) (SMC_REG_CLASS_SFR_W | ((ADDR) >> 2)) 67 #define SMC_REG_ID_SFR_R(ADDR) (SMC_REG_CLASS_SFR_R | ((ADDR) >> 2)) 68 69 70 extern void exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3); 71 72 #endif /* _ARM_SAMSUNG_SMC_H_ */ 73 74