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https://github.com/brain-hackers/u-boot-brain
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52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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/*
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*
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* Common security related functions for OMAP devices
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*
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* (C) Copyright 2016
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* Texas Instruments, <www.ti.com>
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*
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* Daniel Allred <d-allred@ti.com>
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* Andreas Dannenberg <dannenberg@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <stdarg.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/omap_common.h>
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#include <asm/omap_sec_common.h>
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static uint32_t secure_rom_call_args[5] __aligned(ARCH_DMA_MINALIGN);
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u32 secure_rom_call(u32 service, u32 proc_id, u32 flag, ...)
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{
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int i;
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u32 num_args;
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va_list ap;
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va_start(ap, flag);
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num_args = va_arg(ap, u32);
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if (num_args > 4)
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return 1;
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/* Copy args to aligned args structure */
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for (i = 0; i < num_args; i++)
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secure_rom_call_args[i + 1] = va_arg(ap, u32);
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secure_rom_call_args[0] = num_args;
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va_end(ap);
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/* if data cache is enabled, flush the aligned args structure */
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flush_dcache_range(
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(unsigned int)&secure_rom_call_args[0],
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(unsigned int)&secure_rom_call_args[0] +
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roundup(sizeof(secure_rom_call_args), ARCH_DMA_MINALIGN));
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return omap_smc_sec(service, proc_id, flag, secure_rom_call_args);
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}
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