blob: 74fbc80e42c6a47046c219ae818a83964b977b67 [file] [log] [blame]
Antonio Nino Diaz7298c1f2018-12-05 00:09:30 +00001/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <common/debug.h>
8#include <lib/mmio.h>
9#include <platform_def.h>
10#include <common/runtime_svc.h>
11#include <stdint.h>
12
13#include "gxl_private.h"
14
15/*******************************************************************************
16 * This function is responsible for handling all SiP calls
17 ******************************************************************************/
18static uintptr_t gxbb_sip_handler(uint32_t smc_fid,
19 u_register_t x1, u_register_t x2,
20 u_register_t x3, u_register_t x4,
21 void *cookie, void *handle,
22 u_register_t flags)
23{
24 switch (smc_fid) {
25
26 case GXBB_SM_GET_SHARE_MEM_INPUT_BASE:
27 SMC_RET1(handle, GXBB_SHARE_MEM_INPUT_BASE);
28
29 case GXBB_SM_GET_SHARE_MEM_OUTPUT_BASE:
30 SMC_RET1(handle, GXBB_SHARE_MEM_OUTPUT_BASE);
31
32 case GXBB_SM_EFUSE_READ:
33 {
34 void *dst = (void *)GXBB_SHARE_MEM_OUTPUT_BASE;
35 uint64_t ret = gxbb_efuse_read(dst, (uint32_t)x1, x2);
36
37 SMC_RET1(handle, ret);
38 }
39 case GXBB_SM_EFUSE_USER_MAX:
40 SMC_RET1(handle, gxbb_efuse_user_max());
41
42 case GXBB_SM_JTAG_ON:
43 scpi_jtag_set_state(GXBB_JTAG_STATE_ON, x1);
44 SMC_RET1(handle, 0);
45
46 case GXBB_SM_JTAG_OFF:
47 scpi_jtag_set_state(GXBB_JTAG_STATE_OFF, x1);
48 SMC_RET1(handle, 0);
49
50 default:
51 ERROR("BL31: Unhandled SIP SMC: 0x%08x\n", smc_fid);
52 break;
53 }
54
55 SMC_RET1(handle, SMC_UNK);
56}
57
58DECLARE_RT_SVC(
59 gxbb_sip_handler,
60
61 OEN_SIP_START,
62 OEN_SIP_END,
63 SMC_TYPE_FAST,
64 NULL,
65 gxbb_sip_handler
66);