| /* |
| * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <common/debug.h> |
| #include <common/runtime_svc.h> |
| #include <lib/mmio.h> |
| #include <platform_def.h> |
| #include <stdint.h> |
| |
| #include "aml_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 |
| ); |