drivers/remoteproc/imx_rproc.h

   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 */