blob: 63c7dba15b090e80cf2ae9a8964406208776f412 [file] [log] [blame]
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <platform_def.h>
#include <common/debug.h>
#include <common/runtime_svc.h>
#include <lib/mmio.h>
#include "gxbb_private.h"
/*******************************************************************************
* This function is responsible for handling all SiP calls
******************************************************************************/
static uintptr_t gxbb_sip_handler(uint32_t smc_fid,
u_register_t x1, u_register_t x2,
u_register_t x3, u_register_t x4,
void *cookie, void *handle,
u_register_t flags)
{
switch (smc_fid) {
case GXBB_SM_GET_SHARE_MEM_INPUT_BASE:
SMC_RET1(handle, GXBB_SHARE_MEM_INPUT_BASE);
case GXBB_SM_GET_SHARE_MEM_OUTPUT_BASE:
SMC_RET1(handle, GXBB_SHARE_MEM_OUTPUT_BASE);
case GXBB_SM_EFUSE_READ:
{
void *dst = (void *)GXBB_SHARE_MEM_OUTPUT_BASE;
uint64_t ret = gxbb_efuse_read(dst, (uint32_t)x1, x2);
SMC_RET1(handle, ret);
}
case GXBB_SM_EFUSE_USER_MAX:
SMC_RET1(handle, gxbb_efuse_user_max());
case GXBB_SM_JTAG_ON:
scpi_jtag_set_state(GXBB_JTAG_STATE_ON, x1);
SMC_RET1(handle, 0);
case GXBB_SM_JTAG_OFF:
scpi_jtag_set_state(GXBB_JTAG_STATE_OFF, x1);
SMC_RET1(handle, 0);
default:
ERROR("BL31: Unhandled SIP SMC: 0x%08x\n", smc_fid);
break;
}
SMC_RET1(handle, SMC_UNK);
}
DECLARE_RT_SVC(
gxbb_sip_handler,
OEN_SIP_START,
OEN_SIP_END,
SMC_TYPE_FAST,
NULL,
gxbb_sip_handler
);