1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2017 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> 4 * Copyright 2021 NXP 5 */ 6 7 #ifndef _IMX_RPROC_H 8 #define _IMX_RPROC_H 9 10 /* address translation table */ 11 struct imx_rproc_att { 12 u32 da; /* device address (From Cortex M4 view)*/ 13 u32 sa; /* system bus address */ 14 u32 size; /* size of reg range */ 15 int flags; 16 }; 17 18 /* Remote core start/stop method */ 19 enum imx_rproc_method { 20 IMX_RPROC_NONE, 21 /* Through syscon regmap */ 22 IMX_RPROC_MMIO, 23 /* Through ARM SMCCC */ 24 IMX_RPROC_SMC, 25 /* Through System Control Unit API */ 26 IMX_RPROC_SCU_API, 27 }; 28 29 /* dcfg flags */ 30 #define IMX_RPROC_NEED_SYSTEM_OFF BIT(0) 31 32 struct imx_rproc_dcfg { 33 u32 src_reg; 34 u32 src_mask; 35 u32 src_start; 36 u32 src_stop; 37 u32 gpr_reg; 38 u32 gpr_wait; 39 const struct imx_rproc_att *att; 40 size_t att_size; 41 enum imx_rproc_method method; 42 u32 flags; 43 }; 44 45 #endif /* _IMX_RPROC_H */ 46