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49f80a7ab9
The MX8M CM7 boot via SMC call is problematic, since not all versions of ATF support this interface. Extend the MMIO support so it can boot the CM7 on MX8MN/MP instead and discern the two alternatives using DT compatible strings. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20230724222418.163220-2-marex@denx.de Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
42 lines
857 B
C
42 lines
857 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017 Pengutronix, Oleksij Rempel <kernel@pengutronix.de>
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* Copyright 2021 NXP
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*/
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#ifndef _IMX_RPROC_H
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#define _IMX_RPROC_H
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/* address translation table */
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struct imx_rproc_att {
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u32 da; /* device address (From Cortex M4 view)*/
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u32 sa; /* system bus address */
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u32 size; /* size of reg range */
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int flags;
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};
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/* Remote core start/stop method */
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enum imx_rproc_method {
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IMX_RPROC_NONE,
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/* Through syscon regmap */
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IMX_RPROC_MMIO,
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/* Through ARM SMCCC */
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IMX_RPROC_SMC,
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/* Through System Control Unit API */
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IMX_RPROC_SCU_API,
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};
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struct imx_rproc_dcfg {
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u32 src_reg;
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u32 src_mask;
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u32 src_start;
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u32 src_stop;
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u32 gpr_reg;
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u32 gpr_wait;
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const struct imx_rproc_att *att;
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size_t att_size;
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enum imx_rproc_method method;
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};
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#endif /* _IMX_RPROC_H */
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