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