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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2c4ddb2155
Introduce a driver to provide calls into secure monitor mode. In the Amlogic SoCs these calls are used for multiple reasons: access to NVMEM, set USB boot, enable JTAG, etc... Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Carlo Caione <carlo@endlessm.com> [khilman: add in SZ_4K cleanup] Signed-off-by: Kevin Hilman <khilman@baylibre.com>
32 lines
965 B
C
32 lines
965 B
C
/*
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* Copyright (C) 2016 Endless Mobile, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MESON_SM_FW_H_
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#define _MESON_SM_FW_H_
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enum {
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SM_EFUSE_READ,
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SM_EFUSE_WRITE,
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SM_EFUSE_USER_MAX,
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};
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struct meson_sm_firmware;
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int meson_sm_call(unsigned int cmd_index, u32 *ret, u32 arg0, u32 arg1,
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u32 arg2, u32 arg3, u32 arg4);
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int meson_sm_call_write(void *buffer, unsigned int b_size, unsigned int cmd_index,
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u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
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int meson_sm_call_read(void *buffer, unsigned int cmd_index, u32 arg0, u32 arg1,
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u32 arg2, u32 arg3, u32 arg4);
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#endif /* _MESON_SM_FW_H_ */
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