blob: 9bb0f34e1f999c969a2ff83354b63516e64da122 [file] [log] [blame]
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arch.h>
#include <arch_helpers.h>
#include <assert.h>
#include <console.h>
#include <debug.h>
#include <mmio.h>
#include <mt_cpuxgpt.h>
#include <mtk_sip_svc.h>
#include <plat_private.h>
#include <platform.h>
#include <platform_def.h>
#include <mtk_plat_common.h>
#include <runtime_svc.h>
#include <xlat_tables.h>
/*******************************************************************************
* SIP top level handler for servicing SMCs.
******************************************************************************/
uint64_t mediatek_plat_sip_handler(uint32_t smc_fid,
uint64_t x1,
uint64_t x2,
uint64_t x3,
uint64_t x4,
void *cookie,
void *handle,
uint64_t flags)
{
uint64_t rc = 0;
uint32_t ns;
/* Determine which security state this SMC originated from */
ns = is_caller_non_secure(flags);
VERBOSE("sip_smc_handler\n");
VERBOSE("id=0x%x\n", smc_fid);
VERBOSE("x1=0x%lx, x2=0x%lx, x3=0x%lx, x4=0x%lx\n", x1, x2, x3, x4);
if (!ns) {
/* SiP SMC service secure world's call */
switch (smc_fid) {
default:
rc = SMC_UNK;
}
} else {
/* SiP SMC service normal world's call */
switch (smc_fid) {
default:
rc = SMC_UNK;
}
}
if (rc == SMC_UNK) {
console_init(gteearg.atf_log_port,
UART_CLOCK, UART_BAUDRATE);
ERROR("%s: unhandled NS(%d) SMC (0x%x)\n",
__func__, ns, smc_fid);
console_uninit();
}
SMC_RET1(handle, rc);
}