xref: /rk3399_ARM-atf/plat/intel/soc/common/socfpga_sip_svc.c (revision cc2265390f7b205b38e7c997a281604aea9e056f)
1 
2 /*
3  * Copyright (c) 2019-2025, Arm Limited and Contributors. All rights reserved.
4  * Copyright (c) 2019-2023, Intel Corporation. All rights reserved.
5  * Copyright (c) 2024-2025, Altera Corporation. All rights reserved.
6  *
7  * SPDX-License-Identifier: BSD-3-Clause
8  */
9 
10 #include <assert.h>
11 #include <common/debug.h>
12 #include <common/runtime_svc.h>
13 #include <drivers/delay_timer.h>
14 #include <lib/mmio.h>
15 #include <tools_share/uuid.h>
16 
17 #include "lib/utils/alignment_utils.h"
18 #include "socfpga_fcs.h"
19 #include "socfpga_mailbox.h"
20 #include "socfpga_plat_def.h"
21 #include "socfpga_reset_manager.h"
22 #include "socfpga_sip_svc.h"
23 #include "socfpga_system_manager.h"
24 
25 /* Total buffer the driver can hold */
26 #define FPGA_CONFIG_BUFFER_SIZE 4
27 
28 static config_type request_type = NO_REQUEST;
29 static int current_block, current_buffer;
30 static int read_block, max_blocks;
31 static uint32_t send_id, rcv_id;
32 static uint32_t bytes_per_block, blocks_submitted;
33 static bool bridge_disable;
34 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
35 static uint32_t g_remapper_bypass;
36 #endif
37 
38 /* RSU static variables */
39 static uint32_t rsu_dcmf_ver[4] = {0};
40 static uint16_t rsu_dcmf_stat[4] = {0};
41 static uint32_t rsu_max_retry;
42 
43 /*  SiP Service UUID */
44 DEFINE_SVC_UUID2(intl_svc_uid,
45 		0xa85273b0, 0xe85a, 0x4862, 0xa6, 0x2a,
46 		0xfa, 0x88, 0x88, 0x17, 0x68, 0x81);
47 
48 static uint64_t socfpga_sip_handler(uint32_t smc_fid,
49 				   uint64_t x1,
50 				   uint64_t x2,
51 				   uint64_t x3,
52 				   uint64_t x4,
53 				   void *cookie,
54 				   void *handle,
55 				   uint64_t flags)
56 {
57 	ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
58 	SMC_RET1(handle, SMC_UNK);
59 }
60 
61 struct fpga_config_info fpga_config_buffers[FPGA_CONFIG_BUFFER_SIZE];
62 
63 static int intel_fpga_sdm_write_buffer(struct fpga_config_info *buffer)
64 {
65 	uint32_t args[3];
66 
67 	while (max_blocks > 0 && buffer->size > buffer->size_written) {
68 		args[0] = (1<<8);
69 		args[1] = buffer->addr + buffer->size_written;
70 		if (buffer->size - buffer->size_written <= bytes_per_block) {
71 			args[2] = buffer->size - buffer->size_written;
72 			current_buffer++;
73 			current_buffer %= FPGA_CONFIG_BUFFER_SIZE;
74 		} else {
75 			args[2] = bytes_per_block;
76 		}
77 
78 		buffer->size_written += args[2];
79 		mailbox_send_cmd_async(&send_id, MBOX_RECONFIG_DATA, args,
80 					3U, CMD_INDIRECT);
81 
82 		buffer->subblocks_sent++;
83 		max_blocks--;
84 	}
85 
86 	return !max_blocks;
87 }
88 
89 static int intel_fpga_sdm_write_all(void)
90 {
91 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
92 		if (intel_fpga_sdm_write_buffer(
93 			&fpga_config_buffers[current_buffer])) {
94 			break;
95 		}
96 	}
97 	return 0;
98 }
99 
100 static uint32_t intel_mailbox_fpga_config_isdone(uint32_t *err_states)
101 {
102 	uint32_t ret;
103 
104 	if (err_states == NULL)
105 		return INTEL_SIP_SMC_STATUS_REJECTED;
106 
107 	switch (request_type) {
108 	case RECONFIGURATION:
109 		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS,
110 							true, err_states);
111 		break;
112 	case BITSTREAM_AUTH:
113 		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS,
114 							false, err_states);
115 		break;
116 	default:
117 		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS,
118 							false, err_states);
119 		break;
120 	}
121 
122 	if (ret != 0U) {
123 		if (ret == MBOX_CFGSTAT_STATE_CONFIG) {
124 			return INTEL_SIP_SMC_STATUS_BUSY;
125 		} else {
126 			request_type = NO_REQUEST;
127 			return INTEL_SIP_SMC_STATUS_ERROR;
128 		}
129 	}
130 
131 	if (bridge_disable != 0U) {
132 		socfpga_bridges_enable(~0);	/* Enable bridge */
133 		bridge_disable = false;
134 	}
135 	request_type = NO_REQUEST;
136 
137 	return INTEL_SIP_SMC_STATUS_OK;
138 }
139 
140 static int mark_last_buffer_xfer_completed(uint32_t *buffer_addr_completed)
141 {
142 	int i;
143 
144 	for (i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
145 		if (fpga_config_buffers[i].block_number == current_block) {
146 			fpga_config_buffers[i].subblocks_sent--;
147 			if (fpga_config_buffers[i].subblocks_sent == 0
148 			&& fpga_config_buffers[i].size <=
149 			fpga_config_buffers[i].size_written) {
150 				fpga_config_buffers[i].write_requested = 0;
151 				current_block++;
152 				*buffer_addr_completed =
153 					fpga_config_buffers[i].addr;
154 				return 0;
155 			}
156 		}
157 	}
158 
159 	return -1;
160 }
161 
162 static int intel_fpga_config_completed_write(uint32_t *completed_addr,
163 					uint32_t *count, uint32_t *job_id)
164 {
165 	uint32_t resp[5];
166 	unsigned int resp_len = ARRAY_SIZE(resp);
167 	int status = INTEL_SIP_SMC_STATUS_OK;
168 	int all_completed = 1;
169 	*count = 0;
170 
171 	while (*count < 3) {
172 
173 		status = mailbox_read_response(job_id,
174 				resp, &resp_len);
175 
176 		if (status < 0) {
177 			break;
178 		}
179 
180 		max_blocks++;
181 
182 		if (mark_last_buffer_xfer_completed(
183 			&completed_addr[*count]) == 0) {
184 			*count = *count + 1;
185 		} else {
186 			break;
187 		}
188 	}
189 
190 	if (*count <= 0) {
191 		if (status != MBOX_NO_RESPONSE &&
192 			status != MBOX_TIMEOUT && resp_len != 0) {
193 			mailbox_clear_response();
194 			request_type = NO_REQUEST;
195 			return INTEL_SIP_SMC_STATUS_ERROR;
196 		}
197 
198 		*count = 0;
199 	}
200 
201 	intel_fpga_sdm_write_all();
202 
203 	if (*count > 0) {
204 		status = INTEL_SIP_SMC_STATUS_OK;
205 	} else if (*count == 0) {
206 		status = INTEL_SIP_SMC_STATUS_BUSY;
207 	}
208 
209 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
210 		if (fpga_config_buffers[i].write_requested != 0) {
211 			all_completed = 0;
212 			break;
213 		}
214 	}
215 
216 	if (all_completed == 1) {
217 		return INTEL_SIP_SMC_STATUS_OK;
218 	}
219 
220 	return status;
221 }
222 
223 static int intel_fpga_config_start(uint32_t flag)
224 {
225 	uint32_t argument = 0x1;
226 	uint32_t response[3];
227 	int status = 0;
228 	unsigned int size = 0;
229 	unsigned int resp_len = ARRAY_SIZE(response);
230 
231 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
232 	/*
233 	 * To trigger isolation
234 	 * FPGA configuration complete signal should be de-asserted
235 	 */
236 	INFO("SOCFPGA: Request SDM to trigger isolation\n");
237 	status = mailbox_send_fpga_config_comp();
238 
239 	if (status < 0) {
240 		INFO("SOCFPGA: Isolation for FPGA configuration complete is not executed\n");
241 	}
242 #endif
243 
244 	request_type = RECONFIGURATION;
245 
246 	if (!CONFIG_TEST_FLAG(flag, PARTIAL_CONFIG)) {
247 		bridge_disable = true;
248 	}
249 
250 	if (CONFIG_TEST_FLAG(flag, AUTHENTICATION)) {
251 		size = 1;
252 		bridge_disable = false;
253 		request_type = BITSTREAM_AUTH;
254 	}
255 
256 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
257 	intel_smmu_hps_remapper_init(0U);
258 #endif
259 
260 	mailbox_clear_response();
261 
262 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_CANCEL, NULL, 0U,
263 			CMD_CASUAL, NULL, NULL);
264 
265 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_RECONFIG, &argument, size,
266 			CMD_CASUAL, response, &resp_len);
267 
268 	if (status < 0) {
269 		bridge_disable = false;
270 		request_type = NO_REQUEST;
271 		return INTEL_SIP_SMC_STATUS_ERROR;
272 	}
273 
274 	max_blocks = response[0];
275 	bytes_per_block = response[1];
276 
277 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
278 		fpga_config_buffers[i].size = 0;
279 		fpga_config_buffers[i].size_written = 0;
280 		fpga_config_buffers[i].addr = 0;
281 		fpga_config_buffers[i].write_requested = 0;
282 		fpga_config_buffers[i].block_number = 0;
283 		fpga_config_buffers[i].subblocks_sent = 0;
284 	}
285 
286 	blocks_submitted = 0;
287 	current_block = 0;
288 	read_block = 0;
289 	current_buffer = 0;
290 
291 	/* Disable bridge on full reconfiguration */
292 	if (bridge_disable) {
293 		socfpga_bridges_disable(~0);
294 	}
295 
296 	return INTEL_SIP_SMC_STATUS_OK;
297 }
298 
299 static bool is_fpga_config_buffer_full(void)
300 {
301 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
302 		if (!fpga_config_buffers[i].write_requested) {
303 			return false;
304 		}
305 	}
306 	return true;
307 }
308 
309 bool is_address_in_ddr_range(uint64_t addr, uint64_t size)
310 {
311 	uint128_t dram_max_sz = (uint128_t)DRAM_BASE + (uint128_t)DRAM_SIZE;
312 	uint128_t dram_region_end = (uint128_t)addr + (uint128_t)size;
313 
314 	if (!addr && !size) {
315 		return true;
316 	}
317 	if (size > (UINT64_MAX - addr)) {
318 		return false;
319 	}
320 	if (addr < BL31_LIMIT) {
321 		return false;
322 	}
323 	if (dram_region_end > dram_max_sz) {
324 		return false;
325 	}
326 
327 	return true;
328 }
329 
330 static uint32_t intel_fpga_config_write(uint64_t mem, uint64_t size)
331 {
332 	int i;
333 
334 	intel_fpga_sdm_write_all();
335 
336 	if (!is_address_in_ddr_range(mem, size) ||
337 		is_fpga_config_buffer_full()) {
338 		return INTEL_SIP_SMC_STATUS_REJECTED;
339 	}
340 
341 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
342 	intel_smmu_hps_remapper_init(&mem);
343 #endif
344 
345 	for (i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
346 		int j = (i + current_buffer) % FPGA_CONFIG_BUFFER_SIZE;
347 
348 		if (!fpga_config_buffers[j].write_requested) {
349 			fpga_config_buffers[j].addr = mem;
350 			fpga_config_buffers[j].size = size;
351 			fpga_config_buffers[j].size_written = 0;
352 			fpga_config_buffers[j].write_requested = 1;
353 			fpga_config_buffers[j].block_number =
354 				blocks_submitted++;
355 			fpga_config_buffers[j].subblocks_sent = 0;
356 			break;
357 		}
358 	}
359 
360 	if (is_fpga_config_buffer_full()) {
361 		return INTEL_SIP_SMC_STATUS_BUSY;
362 	}
363 
364 	return INTEL_SIP_SMC_STATUS_OK;
365 }
366 
367 static int is_out_of_sec_range(uint64_t reg_addr)
368 {
369 #if DEBUG
370 	return 0;
371 #endif
372 
373 #if PLATFORM_MODEL != PLAT_SOCFPGA_AGILEX5
374 	switch (reg_addr) {
375 	case(0xF8011100):	/* ECCCTRL1 */
376 	case(0xF8011104):	/* ECCCTRL2 */
377 	case(0xF8011110):	/* ERRINTEN */
378 	case(0xF8011114):	/* ERRINTENS */
379 	case(0xF8011118):	/* ERRINTENR */
380 	case(0xF801111C):	/* INTMODE */
381 	case(0xF8011120):	/* INTSTAT */
382 	case(0xF8011124):	/* DIAGINTTEST */
383 	case(0xF801112C):	/* DERRADDRA */
384 	case(0xFA000000):	/* SMMU SCR0 */
385 	case(0xFA000004):	/* SMMU SCR1 */
386 	case(0xFA000400):	/* SMMU NSCR0 */
387 	case(0xFA004000):	/* SMMU SSD0_REG */
388 	case(0xFA000820):	/* SMMU SMR8 */
389 	case(0xFA000c20):	/* SMMU SCR8 */
390 	case(0xFA028000):	/* SMMU CB8_SCTRL */
391 	case(0xFA001020):	/* SMMU CBAR8 */
392 	case(0xFA028030):	/* SMMU TCR_LPAE */
393 	case(0xFA028020):	/* SMMU CB8_TTBR0_LOW */
394 	case(0xFA028024):	/* SMMU CB8_PRRR_HIGH */
395 	case(0xFA028038):	/* SMMU CB8_PRRR_MIR0 */
396 	case(0xFA02803C):	/* SMMU CB8_PRRR_MIR1 */
397 	case(0xFA028010):	/* SMMU_CB8)TCR2 */
398 	case(0xFFD080A4):	/* SDM SMMU STREAM ID REG */
399 	case(0xFA001820):	/* SMMU_CBA2R8 */
400 	case(0xFA000074):	/* SMMU_STLBGSTATUS */
401 	case(0xFA0287F4):	/* SMMU_CB8_TLBSTATUS */
402 	case(0xFA000060):	/* SMMU_STLBIALL */
403 	case(0xFA000070):	/* SMMU_STLBGSYNC */
404 	case(0xFA028618):	/* CB8_TLBALL */
405 	case(0xFA0287F0):	/* CB8_TLBSYNC */
406 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
407 	case(0xFFD12044):	/* EMAC0 */
408 	case(0xFFD12048):	/* EMAC1 */
409 	case(0xFFD1204C):	/* EMAC2 */
410 	case(0xFFD12090):	/* ECC_INT_MASK_VALUE */
411 	case(0xFFD12094):	/* ECC_INT_MASK_SET */
412 	case(0xFFD12098):	/* ECC_INT_MASK_CLEAR */
413 	case(0xFFD1209C):	/* ECC_INTSTATUS_SERR */
414 	case(0xFFD120A0):	/* ECC_INTSTATUS_DERR */
415 	case(0xFFD120C0):	/* NOC_TIMEOUT */
416 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
417 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
418 	case(0xFFD120D0):	/* NOC_IDLEACK */
419 	case(0xFFD120D4):	/* NOC_IDLESTATUS */
420 	case(0xFFD12200):	/* BOOT_SCRATCH_COLD0 */
421 	case(0xFFD12204):	/* BOOT_SCRATCH_COLD1 */
422 	case(0xFFD12220):	/* BOOT_SCRATCH_COLD8 */
423 	case(0xFFD12224):	/* BOOT_SCRATCH_COLD9 */
424 		return 0;
425 #else
426 	switch (reg_addr) {
427 
428 	case(0xF8011104):	/* ECCCTRL2 */
429 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
430 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
431 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
432 	case(0xFFD120D0):	/* NOC_IDLEACK */
433 
434 
435 	case(SOCFPGA_MEMCTRL(ECCCTRL1)):	/* ECCCTRL1 */
436 	case(SOCFPGA_MEMCTRL(ERRINTEN)):	/* ERRINTEN */
437 	case(SOCFPGA_MEMCTRL(ERRINTENS)):	/* ERRINTENS */
438 	case(SOCFPGA_MEMCTRL(ERRINTENR)):	/* ERRINTENR */
439 	case(SOCFPGA_MEMCTRL(INTMODE)):	/* INTMODE */
440 	case(SOCFPGA_MEMCTRL(INTSTAT)):	/* INTSTAT */
441 	case(SOCFPGA_MEMCTRL(DIAGINTTEST)):	/* DIAGINTTEST */
442 	case(SOCFPGA_MEMCTRL(DERRADDRA)):	/* DERRADDRA */
443 
444 	case(SOCFPGA_ECC_QSPI(INITSTAT)):	/* ECC_QSPI_INITSTAT */
445 	case(SOCFPGA_SYSMGR(EMAC_0)):	/* EMAC0 */
446 	case(SOCFPGA_SYSMGR(EMAC_1)):	/* EMAC1 */
447 	case(SOCFPGA_SYSMGR(EMAC_2)):	/* EMAC2 */
448 
449 	/* TSN stream control registers — only accessible on Agilex5 B0 */
450 	case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN0):
451 	case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN1):
452 	case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN2):
453 	if (is_agilex5_A5F4() == true) {
454 		return 0;
455 	}
456 	break;
457 
458 	case(SOCFPGA_SYSMGR(ECC_INTMASK_VALUE)):	/* ECC_INT_MASK_VALUE */
459 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SET)):	/* ECC_INT_MASK_SET */
460 	case(SOCFPGA_SYSMGR(ECC_INTMASK_CLR)):	/* ECC_INT_MASK_CLEAR */
461 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SERR)):	/* ECC_INTSTATUS_SERR */
462 	case(SOCFPGA_SYSMGR(ECC_INTMASK_DERR)):	/* ECC_INTSTATUS_DERR */
463 	case(SOCFPGA_SYSMGR(NOC_TIMEOUT)):	/* NOC_TIMEOUT */
464 	case(SOCFPGA_SYSMGR(NOC_IDLESTATUS)):	/* NOC_IDLESTATUS */
465 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_0)):	/* BOOT_SCRATCH_COLD0 */
466 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_1)):	/* BOOT_SCRATCH_COLD1 */
467 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_8)):	/* BOOT_SCRATCH_COLD8 */
468 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_9)):	/* BOOT_SCRATCH_COLD9 */
469 #endif
470 	case(SOCFPGA_ECC_QSPI(CTRL)):			/* ECC_QSPI_CTRL */
471 	case(SOCFPGA_ECC_QSPI(ERRINTEN)):		/* ECC_QSPI_ERRINTEN */
472 	case(SOCFPGA_ECC_QSPI(ERRINTENS)):		/* ECC_QSPI_ERRINTENS */
473 	case(SOCFPGA_ECC_QSPI(ERRINTENR)):		/* ECC_QSPI_ERRINTENR */
474 	case(SOCFPGA_ECC_QSPI(INTMODE)):		/* ECC_QSPI_INTMODE */
475 	case(SOCFPGA_ECC_QSPI(ECC_ACCCTRL)):	/* ECC_QSPI_ECC_ACCCTRL */
476 	case(SOCFPGA_ECC_QSPI(ECC_STARTACC)):	/* ECC_QSPI_ECC_STARTACC */
477 	case(SOCFPGA_ECC_QSPI(ECC_WDCTRL)):		/* ECC_QSPI_ECC_WDCTRL */
478 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
479 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
480 		return 0;
481 
482 	default:
483 		break;
484 	}
485 
486 	return -1;
487 }
488 
489 /* Secure register access */
490 uint32_t intel_secure_reg_read(uint64_t reg_addr, uint32_t *retval)
491 {
492 	if (is_out_of_sec_range(reg_addr)) {
493 		return INTEL_SIP_SMC_STATUS_ERROR;
494 	}
495 
496 	*retval = mmio_read_32(reg_addr);
497 
498 	return INTEL_SIP_SMC_STATUS_OK;
499 }
500 
501 uint32_t intel_secure_reg_write(uint64_t reg_addr, uint32_t val,
502 				uint32_t *retval)
503 {
504 	if (is_out_of_sec_range(reg_addr)) {
505 		return INTEL_SIP_SMC_STATUS_ERROR;
506 	}
507 
508 	switch (reg_addr) {
509 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
510 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
511 		mmio_write_16(reg_addr, val);
512 		break;
513 	default:
514 		mmio_write_32(reg_addr, val);
515 		break;
516 	}
517 
518 	return intel_secure_reg_read(reg_addr, retval);
519 }
520 
521 uint32_t intel_secure_reg_update(uint64_t reg_addr, uint32_t mask,
522 				 uint32_t val, uint32_t *retval)
523 {
524 	if (!intel_secure_reg_read(reg_addr, retval)) {
525 		*retval &= ~mask;
526 		*retval |= val & mask;
527 		return intel_secure_reg_write(reg_addr, *retval, retval);
528 	}
529 
530 	return INTEL_SIP_SMC_STATUS_ERROR;
531 }
532 
533 /* Intel Remote System Update (RSU) services */
534 uint64_t intel_rsu_update_address;
535 
536 static uint32_t intel_rsu_status(uint64_t *respbuf, unsigned int respbuf_sz)
537 {
538 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
539 		return INTEL_SIP_SMC_RSU_ERROR;
540 	}
541 
542 	return INTEL_SIP_SMC_STATUS_OK;
543 }
544 
545 static uint32_t intel_rsu_get_device_info(uint32_t *respbuf,
546 					  unsigned int respbuf_sz)
547 {
548 	if (mailbox_rsu_get_device_info((uint32_t *)respbuf, respbuf_sz) < 0) {
549 		return INTEL_SIP_SMC_RSU_ERROR;
550 	}
551 
552 	return INTEL_SIP_SMC_STATUS_OK;
553 }
554 
555 uint32_t intel_rsu_update(uint64_t update_address)
556 {
557 	if (update_address > SIZE_MAX) {
558 		return INTEL_SIP_SMC_STATUS_REJECTED;
559 	}
560 
561 	intel_rsu_update_address = update_address;
562 	return INTEL_SIP_SMC_STATUS_OK;
563 }
564 
565 static uint32_t intel_rsu_notify(uint32_t execution_stage)
566 {
567 	if (mailbox_hps_stage_notify(execution_stage) < 0) {
568 		return INTEL_SIP_SMC_RSU_ERROR;
569 	}
570 
571 	return INTEL_SIP_SMC_STATUS_OK;
572 }
573 
574 static uint32_t intel_rsu_retry_counter(uint32_t *respbuf, uint32_t respbuf_sz,
575 					uint32_t *ret_stat)
576 {
577 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
578 		return INTEL_SIP_SMC_RSU_ERROR;
579 	}
580 
581 	*ret_stat = respbuf[8];
582 	return INTEL_SIP_SMC_STATUS_OK;
583 }
584 
585 static uint32_t intel_rsu_copy_dcmf_version(uint64_t dcmf_ver_1_0,
586 					    uint64_t dcmf_ver_3_2)
587 {
588 	rsu_dcmf_ver[0] = dcmf_ver_1_0;
589 	rsu_dcmf_ver[1] = dcmf_ver_1_0 >> 32;
590 	rsu_dcmf_ver[2] = dcmf_ver_3_2;
591 	rsu_dcmf_ver[3] = dcmf_ver_3_2 >> 32;
592 
593 	return INTEL_SIP_SMC_STATUS_OK;
594 }
595 
596 static uint32_t intel_rsu_copy_dcmf_status(uint64_t dcmf_stat)
597 {
598 	rsu_dcmf_stat[0] = 0xFFFF & (dcmf_stat >> (0 * 16));
599 	rsu_dcmf_stat[1] = 0xFFFF & (dcmf_stat >> (1 * 16));
600 	rsu_dcmf_stat[2] = 0xFFFF & (dcmf_stat >> (2 * 16));
601 	rsu_dcmf_stat[3] = 0xFFFF & (dcmf_stat >> (3 * 16));
602 
603 	return INTEL_SIP_SMC_STATUS_OK;
604 }
605 
606 /* Intel HWMON services */
607 static uint32_t intel_hwmon_readtemp(uint32_t chan, uint32_t *retval)
608 {
609 	if (mailbox_hwmon_readtemp(chan, retval) < 0) {
610 		return INTEL_SIP_SMC_STATUS_ERROR;
611 	}
612 
613 	return INTEL_SIP_SMC_STATUS_OK;
614 }
615 
616 static uint32_t intel_hwmon_readvolt(uint32_t chan, uint32_t *retval)
617 {
618 	if (mailbox_hwmon_readvolt(chan, retval) < 0) {
619 		return INTEL_SIP_SMC_STATUS_ERROR;
620 	}
621 
622 	return INTEL_SIP_SMC_STATUS_OK;
623 }
624 
625 /* Mailbox services */
626 static uint32_t intel_smc_fw_version(uint32_t *fw_version)
627 {
628 	int status;
629 	unsigned int resp_len = CONFIG_STATUS_WORD_SIZE;
630 	uint32_t resp_data[CONFIG_STATUS_WORD_SIZE] = {0U};
631 
632 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CONFIG_STATUS, NULL, 0U,
633 			CMD_CASUAL, resp_data, &resp_len);
634 
635 	if (status < 0) {
636 		return INTEL_SIP_SMC_STATUS_ERROR;
637 	}
638 
639 	if (resp_len <= CONFIG_STATUS_FW_VER_OFFSET) {
640 		return INTEL_SIP_SMC_STATUS_ERROR;
641 	}
642 
643 	*fw_version = resp_data[CONFIG_STATUS_FW_VER_OFFSET] & CONFIG_STATUS_FW_VER_MASK;
644 
645 	return INTEL_SIP_SMC_STATUS_OK;
646 }
647 
648 static uint32_t intel_mbox_send_cmd(uint32_t cmd, uint32_t *args,
649 				unsigned int len, uint32_t urgent, uint64_t response,
650 				unsigned int resp_len, int *mbox_status,
651 				unsigned int *len_in_resp)
652 {
653 	*len_in_resp = 0;
654 	*mbox_status = GENERIC_RESPONSE_ERROR;
655 
656 	if (!is_address_in_ddr_range((uint64_t)args, sizeof(uint32_t) * len)) {
657 		return INTEL_SIP_SMC_STATUS_REJECTED;
658 	}
659 
660 	int status = mailbox_send_cmd(MBOX_JOB_ID, cmd, args, len, urgent,
661 					(uint32_t *) response, &resp_len);
662 
663 	if (status < 0) {
664 		*mbox_status = -status;
665 		return INTEL_SIP_SMC_STATUS_ERROR;
666 	}
667 
668 	*mbox_status = 0;
669 	*len_in_resp = resp_len;
670 
671 	flush_dcache_range(response, resp_len * MBOX_WORD_BYTE);
672 
673 	return INTEL_SIP_SMC_STATUS_OK;
674 }
675 
676 static int intel_smc_get_usercode(uint32_t *user_code)
677 {
678 	int status;
679 	unsigned int resp_len = sizeof(user_code) / MBOX_WORD_BYTE;
680 
681 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_GET_USERCODE, NULL,
682 				0U, CMD_CASUAL, user_code, &resp_len);
683 
684 	if (status < 0) {
685 		return INTEL_SIP_SMC_STATUS_ERROR;
686 	}
687 
688 	return INTEL_SIP_SMC_STATUS_OK;
689 }
690 
691 uint32_t intel_smc_service_completed(uint64_t addr, uint32_t size,
692 				uint32_t mode, uint32_t *job_id,
693 				uint32_t *ret_size, uint32_t *mbox_error)
694 {
695 	int status = 0;
696 	uint32_t resp_len = size / MBOX_WORD_BYTE;
697 
698 	if (resp_len > MBOX_DATA_MAX_LEN) {
699 		return INTEL_SIP_SMC_STATUS_REJECTED;
700 	}
701 
702 	if (!is_address_in_ddr_range(addr, size)) {
703 		return INTEL_SIP_SMC_STATUS_REJECTED;
704 	}
705 
706 	if (mode == SERVICE_COMPLETED_MODE_ASYNC) {
707 		status = mailbox_read_response_async(job_id,
708 				NULL, (uint32_t *) addr, &resp_len, 0);
709 	} else {
710 		status = mailbox_read_response(job_id,
711 				(uint32_t *) addr, &resp_len);
712 
713 		if (status == MBOX_NO_RESPONSE) {
714 			status = MBOX_BUSY;
715 		}
716 	}
717 
718 	if (status == MBOX_NO_RESPONSE) {
719 		return INTEL_SIP_SMC_STATUS_NO_RESPONSE;
720 	}
721 
722 	if (status == MBOX_BUSY) {
723 		return INTEL_SIP_SMC_STATUS_BUSY;
724 	}
725 
726 	*ret_size = resp_len * MBOX_WORD_BYTE;
727 	flush_dcache_range(addr, *ret_size);
728 
729 	if (status == MBOX_RET_SDOS_DECRYPTION_ERROR_102 ||
730 		status == MBOX_RET_SDOS_DECRYPTION_ERROR_103) {
731 		*mbox_error = -status;
732 	} else if (status != MBOX_RET_OK) {
733 		*mbox_error = -status;
734 		return INTEL_SIP_SMC_STATUS_ERROR;
735 	}
736 
737 	return INTEL_SIP_SMC_STATUS_OK;
738 }
739 
740 /* Miscellaneous HPS services */
741 uint32_t intel_hps_set_bridges(uint64_t enable, uint64_t mask)
742 {
743 	int status = 0;
744 
745 	if ((enable & SOCFPGA_BRIDGE_ENABLE) != 0U) {
746 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
747 			status = socfpga_bridges_enable((uint32_t)mask);
748 		} else {
749 			status = socfpga_bridges_enable(~0);
750 		}
751 	} else {
752 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
753 			status = socfpga_bridges_disable((uint32_t)mask);
754 		} else {
755 			status = socfpga_bridges_disable(~0);
756 		}
757 	}
758 
759 	if (status < 0) {
760 		return INTEL_SIP_SMC_STATUS_ERROR;
761 	}
762 
763 	return INTEL_SIP_SMC_STATUS_OK;
764 }
765 
766 /* SDM SEU Error services */
767 static uint32_t intel_sdm_seu_err_read(uint32_t *respbuf, unsigned int respbuf_sz)
768 {
769 	if (mailbox_seu_err_status(respbuf, respbuf_sz) < 0) {
770 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
771 	}
772 
773 	return INTEL_SIP_SMC_STATUS_OK;
774 }
775 
776 /* SDM SAFE SEU Error inject services */
777 static uint32_t intel_sdm_safe_inject_seu_err(uint32_t *command, uint32_t len)
778 {
779 	if (mailbox_safe_inject_seu_err(command, len) < 0) {
780 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
781 	}
782 
783 	return INTEL_SIP_SMC_STATUS_OK;
784 }
785 
786 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
787 /* SMMU HPS Remapper */
788 void intel_smmu_hps_remapper_init(uint64_t *mem)
789 {
790 	/* Read out Bit 1 value */
791 	uint32_t remap = (mmio_read_32(SOCFPGA_SYSMGR(BOOT_SCRATCH_POR_1)) & 0x02);
792 
793 	if ((remap == 0x00) && (g_remapper_bypass == 0x00)) {
794 		/* Update DRAM Base address for SDM SMMU */
795 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), DRAM_BASE);
796 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), DRAM_BASE);
797 		*mem = *mem - DRAM_BASE;
798 	} else {
799 		*mem = *mem - DRAM_BASE;
800 	}
801 }
802 
803 int intel_smmu_hps_remapper_config(uint32_t remapper_bypass)
804 {
805 	/* Read out the JTAG-ID from boot scratch register */
806 	if (is_agilex5_A5C0() || is_agilex5_A5C4()) {
807 		if (remapper_bypass == 0x01) {
808 			g_remapper_bypass = remapper_bypass;
809 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), 0);
810 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), 0);
811 		}
812 	}
813 	return INTEL_SIP_SMC_STATUS_OK;
814 }
815 
816 static void intel_inject_io96b_ecc_err(const uint32_t *syndrome, const uint32_t command)
817 {
818 	volatile uint64_t atf_ddr_buffer;
819 	volatile uint64_t val;
820 
821 	mmio_write_32(IOSSM_CMD_PARAM, *syndrome);
822 	mmio_write_32(IOSSM_CMD_TRIG_OP, command);
823 	udelay(IOSSM_ECC_ERR_INJ_DELAY_USECS);
824 	atf_ddr_buffer = 0xCAFEBABEFEEDFACE;	/* Write data */
825 	memcpy_s((void *)&val, sizeof(val),
826 		 (void *)&atf_ddr_buffer, sizeof(atf_ddr_buffer));
827 
828 	/* Clear response_ready BIT0 of status_register before sending next command. */
829 	mmio_clrbits_32(IOSSM_CMD_RESP_STATUS, IOSSM_CMD_STATUS_RESP_READY);
830 }
831 #endif
832 
833 #if SIP_SVC_V3
834 uint8_t sip_smc_cmd_cb_ret2(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
835 {
836 	uint8_t ret_args_len = 0U;
837 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
838 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
839 
840 	(void)cmd;
841 	/* Returns 3 SMC arguments for SMC_RET3 */
842 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
843 	ret_args[ret_args_len++] = resp->err_code;
844 
845 	return ret_args_len;
846 }
847 
848 uint8_t sip_smc_cmd_cb_ret3(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
849 {
850 	uint8_t ret_args_len = 0U;
851 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
852 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
853 
854 	(void)cmd;
855 	/* Returns 3 SMC arguments for SMC_RET3 */
856 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
857 	ret_args[ret_args_len++] = resp->err_code;
858 	ret_args[ret_args_len++] = resp->resp_data[0];
859 
860 	return ret_args_len;
861 }
862 
863 uint8_t sip_smc_ret_nbytes_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
864 {
865 	uint8_t ret_args_len = 0U;
866 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
867 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
868 
869 	INFO("MBOX: %s: mailbox_err 0%x, nbytes_ret %d\n",
870 		__func__, resp->err_code, resp->rcvd_resp_len * MBOX_WORD_BYTE);
871 
872 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
873 	ret_args[ret_args_len++] = resp->err_code;
874 	ret_args[ret_args_len++] = resp->rcvd_resp_len * MBOX_WORD_BYTE;
875 
876 	/* Flush the response data buffer. */
877 	flush_dcache_range((uintptr_t)cmd->cb_args, resp->rcvd_resp_len * MBOX_WORD_BYTE);
878 
879 	return ret_args_len;
880 }
881 
882 uint8_t sip_smc_get_chipid_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
883 {
884 	uint8_t ret_args_len = 0U;
885 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
886 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
887 
888 	(void)cmd;
889 	INFO("MBOX: %s: mailbox_err 0%x, data[0] 0x%x, data[1] 0x%x\n",
890 		__func__, resp->err_code, resp->resp_data[0], resp->resp_data[1]);
891 
892 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
893 	ret_args[ret_args_len++] = resp->err_code;
894 	ret_args[ret_args_len++] = resp->resp_data[0];
895 	ret_args[ret_args_len++] = resp->resp_data[1];
896 
897 	return ret_args_len;
898 }
899 
900 uint8_t sip_smc_cmd_cb_rsu_status(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
901 {
902 	uint8_t ret_args_len = 0U;
903 	uint32_t retry_counter = ~0U;
904 	uint32_t failure_source = 0U;
905 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
906 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
907 
908 	(void)cmd;
909 	/* Get the failure source and current image retry counter value from the response. */
910 	failure_source = resp->resp_data[5] & RSU_VERSION_ACMF_MASK;
911 	retry_counter = resp->resp_data[8];
912 
913 	if ((retry_counter != ~0U) && (failure_source == 0U))
914 		resp->resp_data[5] |= RSU_VERSION_ACMF;
915 
916 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
917 	ret_args[ret_args_len++] = resp->err_code;
918 	/* Current CMF */
919 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[1], resp->resp_data[0]);
920 	/* Last Failing CMF Address */
921 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[3], resp->resp_data[2]);
922 	/* Config State */
923 	ret_args[ret_args_len++] = resp->resp_data[4];
924 	/* Version */
925 	ret_args[ret_args_len++] = resp->resp_data[5];
926 	/* Failure Source */
927 	ret_args[ret_args_len++] = ((GENMASK(32, 17) & resp->resp_data[5]) >> 16);
928 	/* Error location */
929 	ret_args[ret_args_len++] = resp->resp_data[6];
930 	/* Error details */
931 	ret_args[ret_args_len++] = resp->resp_data[7];
932 	/* Current image retry counter */
933 	ret_args[ret_args_len++] = resp->resp_data[8];
934 
935 	return ret_args_len;
936 }
937 
938 uint8_t sip_smc_cmd_cb_rsu_spt(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
939 {
940 	uint8_t ret_args_len = 0U;
941 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
942 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
943 
944 	(void)cmd;
945 
946 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
947 	ret_args[ret_args_len++] = resp->err_code;
948 	/* Sub Partition Table (SPT) 0 address */
949 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[0], resp->resp_data[1]);
950 	/* Sub Partition Table (SPT) 1 address */
951 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[2], resp->resp_data[3]);
952 
953 	return ret_args_len;
954 }
955 
956 static uintptr_t smc_ret(void *handle, uint64_t *ret_args, uint32_t ret_args_len)
957 {
958 
959 	switch (ret_args_len) {
960 	case SMC_RET_ARGS_ONE:
961 		VERBOSE("SVC V3: %s: x0 0x%lx\n", __func__, ret_args[0]);
962 		SMC_RET1(handle, ret_args[0]);
963 		break;
964 
965 	case SMC_RET_ARGS_TWO:
966 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx\n", __func__, ret_args[0], ret_args[1]);
967 		SMC_RET2(handle, ret_args[0], ret_args[1]);
968 		break;
969 
970 	case SMC_RET_ARGS_THREE:
971 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx\n",
972 			__func__, ret_args[0],	ret_args[1], ret_args[2]);
973 		SMC_RET3(handle, ret_args[0], ret_args[1], ret_args[2]);
974 		break;
975 
976 	case SMC_RET_ARGS_FOUR:
977 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
978 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
979 		SMC_RET4(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
980 		break;
981 
982 	case SMC_RET_ARGS_FIVE:
983 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx\n",
984 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
985 		SMC_RET5(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
986 		break;
987 
988 	case SMC_RET_ARGS_SIX:
989 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx x3 0x%lx, x4 0x%lx x5 0x%lx\n",
990 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
991 			ret_args[5]);
992 		SMC_RET6(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
993 			 ret_args[5]);
994 		break;
995 
996 	case SMC_RET_ARGS_SEVEN:
997 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
998 			"x6 0x%lx\n",
999 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1000 			ret_args[5], ret_args[6]);
1001 		SMC_RET7(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1002 			 ret_args[5], ret_args[6]);
1003 		break;
1004 
1005 	case SMC_RET_ARGS_EIGHT:
1006 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
1007 			"x6 0x%lx, x7 0x%lx\n",
1008 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1009 			ret_args[5], ret_args[6], ret_args[7]);
1010 		SMC_RET8(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1011 			 ret_args[5], ret_args[6], ret_args[7]);
1012 		break;
1013 
1014 	case SMC_RET_ARGS_NINE:
1015 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
1016 			"x6 0x%lx, x7 0x%lx, x8 0x%lx\n",
1017 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1018 			ret_args[5], ret_args[6], ret_args[7], ret_args[8]);
1019 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1020 			 ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1021 			 0, 0, 0, 0, 0, 0, 0, 0, 0);
1022 		break;
1023 
1024 	case SMC_RET_ARGS_TEN:
1025 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
1026 			"x6 0x%lx, x7 0x%lx x8 0x%lx, x9 0x%lx, x10 0x%lx\n",
1027 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3],
1028 			ret_args[4], ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1029 			ret_args[9], ret_args[10]);
1030 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1031 			  ret_args[5], ret_args[6], ret_args[7], ret_args[8], ret_args[9],
1032 			  0, 0, 0, 0, 0, 0, 0, 0);
1033 		break;
1034 
1035 	default:
1036 		VERBOSE("SVC V3: %s ret_args_len is wrong, please check %d\n ",
1037 			__func__, ret_args_len);
1038 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
1039 		break;
1040 	}
1041 }
1042 
1043 static inline bool is_gen_mbox_cmd_allowed(uint32_t cmd)
1044 {
1045 	/* Check if the command is allowed to be executed in generic mbox format */
1046 	bool is_cmd_allowed = false;
1047 
1048 	switch (cmd) {
1049 	case MBOX_FCS_OPEN_CS_SESSION:
1050 	case MBOX_FCS_CLOSE_CS_SESSION:
1051 	case MBOX_FCS_IMPORT_CS_KEY:
1052 	case MBOX_FCS_EXPORT_CS_KEY:
1053 	case MBOX_FCS_REMOVE_CS_KEY:
1054 	case MBOX_FCS_GET_CS_KEY_INFO:
1055 	case MBOX_FCS_CREATE_CS_KEY:
1056 	case MBOX_FCS_GET_DIGEST_REQ:
1057 	case MBOX_FCS_MAC_VERIFY_REQ:
1058 	case MBOX_FCS_ECDSA_HASH_SIGN_REQ:
1059 	case MBOX_FCS_GET_PROVISION:
1060 	case MBOX_FCS_CNTR_SET_PREAUTH:
1061 	case MBOX_FCS_ENCRYPT_REQ:
1062 	case MBOX_FCS_DECRYPT_REQ:
1063 	case MBOX_FCS_RANDOM_GEN:
1064 	case MBOX_FCS_AES_CRYPT_REQ:
1065 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ:
1066 	case MBOX_FCS_ECDSA_HASH_SIG_VERIFY:
1067 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY:
1068 	case MBOX_FCS_ECDSA_GET_PUBKEY:
1069 	case MBOX_FCS_ECDH_REQUEST:
1070 	case MBOX_FCS_HKDF_REQUEST:
1071 		/* These mailbox commands are not supported in the generic mailbox format. */
1072 		break;
1073 
1074 	default:
1075 		is_cmd_allowed = true;
1076 		break;
1077 	} /* switch */
1078 
1079 	return is_cmd_allowed;
1080 }
1081 
1082 /*
1083  * This function is responsible for handling all SiP SVC V3 calls from the
1084  * non-secure world.
1085  */
1086 static uintptr_t sip_smc_handler_v3(uint32_t smc_fid,
1087 				    u_register_t x1,
1088 				    u_register_t x2,
1089 				    u_register_t x3,
1090 				    u_register_t x4,
1091 				    void *cookie,
1092 				    void *handle,
1093 				    u_register_t flags)
1094 {
1095 	int status = 0;
1096 	uint32_t mbox_error = 0U;
1097 	u_register_t x5, x6, x7, x8, x9, x10, x11;
1098 
1099 	/* Get all the SMC call arguments */
1100 	x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
1101 	x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
1102 	x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
1103 	x8 = SMC_GET_GP(handle, CTX_GPREG_X8);
1104 	x9 = SMC_GET_GP(handle, CTX_GPREG_X9);
1105 	x10 = SMC_GET_GP(handle, CTX_GPREG_X10);
1106 	x11 = SMC_GET_GP(handle, CTX_GPREG_X11);
1107 
1108 	INFO("MBOX: SVC_V3: x0 0x%x, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\n",
1109 		smc_fid, x1, x2, x3, x4, x5);
1110 	INFO("MBOX: SVC_V3: x6 0x%lx, x7 0x%lx, x8 0x%lx, x9 0x%lx, x10 0x%lx x11 0x%lx\n",
1111 		x6, x7, x8, x9, x10, x11);
1112 
1113 	switch (smc_fid) {
1114 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL:
1115 	{
1116 		uint64_t ret_args[16] = {0};
1117 		uint32_t ret_args_len = 0;
1118 
1119 		status = mailbox_response_poll_v3(GET_CLIENT_ID(x1),
1120 						  GET_JOB_ID(x1),
1121 						  ret_args,
1122 						  &ret_args_len);
1123 		/* Always reserve [0] index for command status. */
1124 		ret_args[0] = status;
1125 
1126 		/* Return SMC call based on the number of return arguments */
1127 		return smc_ret(handle, ret_args, ret_args_len);
1128 	}
1129 
1130 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL_ON_INTR:
1131 	{
1132 		/* TBD: Here now we don't need these CID and JID?? */
1133 		uint8_t client_id = 0U;
1134 		uint8_t job_id = 0U;
1135 		uint64_t trans_id_bitmap[4] = {0U};
1136 
1137 		status = mailbox_response_poll_on_intr_v3(&client_id,
1138 							  &job_id,
1139 							  trans_id_bitmap);
1140 
1141 		SMC_RET5(handle, status, trans_id_bitmap[0], trans_id_bitmap[1],
1142 			 trans_id_bitmap[2], trans_id_bitmap[3]);
1143 		break;
1144 	}
1145 
1146 	case ALTERA_SIP_SMC_ASYNC_GET_DEVICE_IDENTITY:
1147 	{
1148 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1149 						   GET_JOB_ID(x1),
1150 						   MBOX_CMD_GET_DEVICEID,
1151 						   NULL,
1152 						   0U,
1153 						   MBOX_CMD_FLAG_CASUAL,
1154 						   sip_smc_ret_nbytes_cb,
1155 						   (uint32_t *)x2,
1156 						   2);
1157 
1158 		SMC_RET1(handle, status);
1159 	}
1160 
1161 	case ALTERA_SIP_SMC_ASYNC_GET_IDCODE:
1162 	{
1163 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1164 						   GET_JOB_ID(x1),
1165 						   MBOX_CMD_GET_IDCODE,
1166 						   NULL,
1167 						   0U,
1168 						   MBOX_CMD_FLAG_CASUAL,
1169 						   sip_smc_cmd_cb_ret3,
1170 						   NULL,
1171 						   0);
1172 
1173 		SMC_RET1(handle, status);
1174 	}
1175 
1176 	case ALTERA_SIP_SMC_ASYNC_QSPI_OPEN:
1177 	{
1178 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1179 						   GET_JOB_ID(x1),
1180 						   MBOX_CMD_QSPI_OPEN,
1181 						   NULL,
1182 						   0U,
1183 						   MBOX_CMD_FLAG_CASUAL,
1184 						   sip_smc_cmd_cb_ret2,
1185 						   NULL,
1186 						   0U);
1187 
1188 		SMC_RET1(handle, status);
1189 	}
1190 
1191 	case ALTERA_SIP_SMC_ASYNC_QSPI_CLOSE:
1192 	{
1193 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1194 						   GET_JOB_ID(x1),
1195 						   MBOX_CMD_QSPI_CLOSE,
1196 						   NULL,
1197 						   0U,
1198 						   MBOX_CMD_FLAG_CASUAL,
1199 						   sip_smc_cmd_cb_ret2,
1200 						   NULL,
1201 						   0U);
1202 
1203 		SMC_RET1(handle, status);
1204 	}
1205 
1206 	case ALTERA_SIP_SMC_ASYNC_QSPI_SET_CS:
1207 	{
1208 		uint32_t cmd_data = 0U;
1209 		uint32_t chip_sel = (uint32_t)x2;
1210 		uint32_t comb_addr_mode = (uint32_t)x3;
1211 		uint32_t ext_dec_mode = (uint32_t)x4;
1212 
1213 		cmd_data = (chip_sel << MBOX_QSPI_SET_CS_OFFSET) |
1214 			   (comb_addr_mode << MBOX_QSPI_SET_CS_CA_OFFSET) |
1215 			   (ext_dec_mode << MBOX_QSPI_SET_CS_MODE_OFFSET);
1216 
1217 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1218 						   GET_JOB_ID(x1),
1219 						   MBOX_CMD_QSPI_SET_CS,
1220 						   &cmd_data,
1221 						   1U,
1222 						   MBOX_CMD_FLAG_CASUAL,
1223 						   sip_smc_cmd_cb_ret2,
1224 						   NULL,
1225 						   0U);
1226 
1227 		SMC_RET1(handle, status);
1228 	}
1229 
1230 	case ALTERA_SIP_SMC_ASYNC_QSPI_ERASE:
1231 	{
1232 		uint32_t qspi_addr = (uint32_t)x2;
1233 		uint32_t qspi_nwords = (uint32_t)x3;
1234 
1235 		/* QSPI address offset to start erase, must be 4K aligned */
1236 		if (MBOX_IS_4K_ALIGNED(qspi_addr)) {
1237 			ERROR("MBOX: 0x%x: QSPI address not 4K aligned\n",
1238 				smc_fid);
1239 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1240 			SMC_RET1(handle, status);
1241 		}
1242 
1243 		/* Number of words to erase, multiples of 0x400 or 4K */
1244 		if (qspi_nwords % MBOX_QSPI_ERASE_SIZE_GRAN) {
1245 			ERROR("MBOX: 0x%x: Given words not in multiples of 4K\n",
1246 				smc_fid);
1247 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1248 			SMC_RET1(handle, status);
1249 		}
1250 
1251 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1252 
1253 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1254 						   GET_JOB_ID(x1),
1255 						   MBOX_CMD_QSPI_ERASE,
1256 						   cmd_data,
1257 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1258 						   MBOX_CMD_FLAG_CASUAL,
1259 						   sip_smc_cmd_cb_ret2,
1260 						   NULL,
1261 						   0U);
1262 
1263 		SMC_RET1(handle, status);
1264 	}
1265 
1266 	case ALTERA_SIP_SMC_ASYNC_QSPI_WRITE:
1267 	{
1268 		uint32_t *qspi_payload = (uint32_t *)x2;
1269 		uint32_t qspi_total_nwords = (((uint32_t)x3) / MBOX_WORD_BYTE);
1270 		uint32_t qspi_addr = qspi_payload[0];
1271 		uint32_t qspi_nwords = qspi_payload[1];
1272 
1273 		if (!MBOX_IS_WORD_ALIGNED(qspi_addr)) {
1274 			ERROR("MBOX: 0x%x: Given address is not WORD aligned\n",
1275 				smc_fid);
1276 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1277 			SMC_RET1(handle, status);
1278 		}
1279 
1280 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1281 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1282 				smc_fid);
1283 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1284 			SMC_RET1(handle, status);
1285 		}
1286 
1287 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1288 						   GET_JOB_ID(x1),
1289 						   MBOX_CMD_QSPI_WRITE,
1290 						   qspi_payload,
1291 						   qspi_total_nwords,
1292 						   MBOX_CMD_FLAG_CASUAL,
1293 						   sip_smc_cmd_cb_ret2,
1294 						   NULL,
1295 						   0U);
1296 
1297 		SMC_RET1(handle, status);
1298 	}
1299 
1300 	case ALTERA_SIP_SMC_ASYNC_QSPI_READ:
1301 	{
1302 		uint32_t qspi_addr = (uint32_t)x2;
1303 		uint32_t qspi_nwords = (((uint32_t)x4) / MBOX_WORD_BYTE);
1304 
1305 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1306 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1307 				smc_fid);
1308 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1309 			SMC_RET1(handle, status);
1310 		}
1311 
1312 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1313 
1314 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1315 						   GET_JOB_ID(x1),
1316 						   MBOX_CMD_QSPI_READ,
1317 						   cmd_data,
1318 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1319 						   MBOX_CMD_FLAG_CASUAL,
1320 						   sip_smc_ret_nbytes_cb,
1321 						   (uint32_t *)x3,
1322 						   2);
1323 
1324 		SMC_RET1(handle, status);
1325 	}
1326 
1327 	case ALTERA_SIP_SMC_ASYNC_QSPI_GET_DEV_INFO:
1328 	{
1329 		uint32_t *dst_addr = (uint32_t *)x2;
1330 
1331 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1332 						   GET_JOB_ID(x1),
1333 						   MBOX_CMD_QSPI_GET_DEV_INFO,
1334 						   NULL,
1335 						   0U,
1336 						   MBOX_CMD_FLAG_CASUAL,
1337 						   sip_smc_ret_nbytes_cb,
1338 						   (uint32_t *)dst_addr,
1339 						   2);
1340 
1341 		SMC_RET1(handle, status);
1342 	}
1343 
1344 	case ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT:
1345 	case ALTERA_SIP_SMC_ASYNC_HWMON_READTEMP:
1346 	{
1347 		uint32_t channel = (uint32_t)x2;
1348 		uint32_t mbox_cmd = ((smc_fid == ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT) ?
1349 					MBOX_HWMON_READVOLT : MBOX_HWMON_READTEMP);
1350 
1351 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1352 						   GET_JOB_ID(x1),
1353 						   mbox_cmd,
1354 						   &channel,
1355 						   1U,
1356 						   MBOX_CMD_FLAG_CASUAL,
1357 						   sip_smc_cmd_cb_ret3,
1358 						   NULL,
1359 						   0);
1360 
1361 		SMC_RET1(handle, status);
1362 	}
1363 
1364 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_SPT:
1365 	{
1366 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1367 						   GET_JOB_ID(x1),
1368 						   MBOX_GET_SUBPARTITION_TABLE,
1369 						   NULL,
1370 						   0,
1371 						   MBOX_CMD_FLAG_CASUAL,
1372 						   sip_smc_cmd_cb_rsu_spt,
1373 						   NULL,
1374 						   0);
1375 
1376 		SMC_RET1(handle, status);
1377 	}
1378 
1379 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_STATUS:
1380 	{
1381 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1382 						   GET_JOB_ID(x1),
1383 						   MBOX_RSU_STATUS,
1384 						   NULL,
1385 						   0,
1386 						   MBOX_CMD_FLAG_CASUAL,
1387 						   sip_smc_cmd_cb_rsu_status,
1388 						   NULL,
1389 						   0);
1390 
1391 		SMC_RET1(handle, status);
1392 	}
1393 
1394 	case ALTERA_SIP_SMC_ASYNC_RSU_NOTIFY:
1395 	{
1396 		uint32_t notify_code = (uint32_t)x2;
1397 
1398 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1399 						   GET_JOB_ID(x1),
1400 						   MBOX_HPS_STAGE_NOTIFY,
1401 						   &notify_code,
1402 						   1U,
1403 						   MBOX_CMD_FLAG_CASUAL,
1404 						   sip_smc_cmd_cb_ret2,
1405 						   NULL,
1406 						   0);
1407 
1408 		SMC_RET1(handle, status);
1409 	}
1410 
1411 	case ALTERA_SIP_SMC_ASYNC_GEN_MBOX_CMD:
1412 	{
1413 		/* Collect all the args passed in, and send the mailbox command. */
1414 		uint32_t mbox_cmd = (uint32_t)x2;
1415 		uint32_t *cmd_payload_addr = NULL;
1416 		uint32_t cmd_payload_len = (uint32_t)x4 / MBOX_WORD_BYTE;
1417 		uint32_t *resp_payload_addr = NULL;
1418 		uint32_t resp_payload_len = (uint32_t)x6 / MBOX_WORD_BYTE;
1419 
1420 		/* Filter the required commands here. */
1421 		if (!is_gen_mbox_cmd_allowed(mbox_cmd)) {
1422 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1423 			SMC_RET1(handle, status);
1424 		}
1425 
1426 		if ((cmd_payload_len > MBOX_GEN_CMD_MAX_WORDS) ||
1427 		    (resp_payload_len > MBOX_GEN_CMD_MAX_WORDS)) {
1428 			ERROR("MBOX: 0x%x: Command/Response payload length exceeds max limit\n",
1429 				smc_fid);
1430 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1431 			SMC_RET1(handle, status);
1432 		}
1433 
1434 		/* Make sure we have valid command payload length and buffer */
1435 		if (cmd_payload_len != 0U) {
1436 			cmd_payload_addr = (uint32_t *)x3;
1437 			if (cmd_payload_addr == NULL) {
1438 				ERROR("MBOX: 0x%x: Command payload address is NULL\n",
1439 					smc_fid);
1440 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1441 				SMC_RET1(handle, status);
1442 			}
1443 		}
1444 
1445 		/* Make sure we have valid response payload length and buffer */
1446 		if (resp_payload_len != 0U) {
1447 			resp_payload_addr = (uint32_t *)x5;
1448 			if (resp_payload_addr == NULL) {
1449 				ERROR("MBOX: 0x%x: Response payload address is NULL\n",
1450 					smc_fid);
1451 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1452 				SMC_RET1(handle, status);
1453 			}
1454 		}
1455 
1456 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1457 						   GET_JOB_ID(x1),
1458 						   mbox_cmd,
1459 						   (uint32_t *)cmd_payload_addr,
1460 						   cmd_payload_len,
1461 						   MBOX_CMD_FLAG_CASUAL,
1462 						   sip_smc_ret_nbytes_cb,
1463 						   (uint32_t *)resp_payload_addr,
1464 						   resp_payload_len);
1465 
1466 		SMC_RET1(handle, status);
1467 	}
1468 
1469 	case ALTERA_SIP_SMC_ASYNC_FCS_RANDOM_NUMBER_EXT:
1470 	{
1471 		uint32_t session_id = (uint32_t)x2;
1472 		uint32_t context_id = (uint32_t)x3;
1473 		uint64_t ret_random_addr = (uint64_t)x4;
1474 		uint32_t random_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1475 		uint32_t crypto_header = 0U;
1476 
1477 		if ((random_len > (FCS_RANDOM_EXT_MAX_WORD_SIZE * MBOX_WORD_BYTE)) ||
1478 		    (random_len == 0U) ||
1479 		    (!is_size_4_bytes_aligned(random_len))) {
1480 			ERROR("MBOX: 0x%x is rejected\n", smc_fid);
1481 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1482 			SMC_RET1(handle, status);
1483 		}
1484 
1485 		crypto_header = ((FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_FINALIZE) <<
1486 				  FCS_CS_FIELD_FLAG_OFFSET);
1487 		fcs_rng_payload payload = {session_id, context_id,
1488 					   crypto_header, random_len};
1489 
1490 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1491 						   GET_JOB_ID(x1),
1492 						   MBOX_FCS_RANDOM_GEN,
1493 						   (uint32_t *)&payload,
1494 						   sizeof(payload) / MBOX_WORD_BYTE,
1495 						   MBOX_CMD_FLAG_CASUAL,
1496 						   sip_smc_ret_nbytes_cb,
1497 						   (uint32_t *)ret_random_addr,
1498 						   2);
1499 		SMC_RET1(handle, status);
1500 	}
1501 
1502 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_PROVISION_DATA:
1503 	{
1504 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1505 						   GET_JOB_ID(x1),
1506 						   MBOX_FCS_GET_PROVISION,
1507 						   NULL,
1508 						   0U,
1509 						   MBOX_CMD_FLAG_CASUAL,
1510 						   sip_smc_ret_nbytes_cb,
1511 						   (uint32_t *)x2,
1512 						   2);
1513 		SMC_RET1(handle, status);
1514 	}
1515 
1516 	case ALTERA_SIP_SMC_ASYNC_FCS_CNTR_SET_PREAUTH:
1517 	{
1518 		status = intel_fcs_cntr_set_preauth(smc_fid, x1, x2, x3,
1519 					x4, &mbox_error);
1520 		SMC_RET1(handle, status);
1521 	}
1522 
1523 	case ALTERA_SIP_SMC_ASYNC_FCS_CHIP_ID:
1524 	{
1525 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1526 						   GET_JOB_ID(x1),
1527 						   MBOX_CMD_GET_CHIPID,
1528 						   NULL,
1529 						   0U,
1530 						   MBOX_CMD_FLAG_CASUAL,
1531 						   sip_smc_get_chipid_cb,
1532 						   NULL,
1533 						   0);
1534 		SMC_RET1(handle, status);
1535 	}
1536 
1537 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_ATTESTATION_CERT:
1538 	{
1539 		status = intel_fcs_get_attestation_cert(smc_fid, x1, x2, x3,
1540 					(uint32_t *) &x4, &mbox_error);
1541 		SMC_RET1(handle, status);
1542 	}
1543 
1544 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CERT_ON_RELOAD:
1545 	{
1546 		status = intel_fcs_create_cert_on_reload(smc_fid, x1,
1547 					x2, &mbox_error);
1548 		SMC_RET1(handle, status);
1549 	}
1550 
1551 	case ALTERA_SIP_SMC_ASYNC_FCS_CRYPTION_EXT:
1552 	{
1553 		if (x4 == FCS_MODE_ENCRYPT) {
1554 			status = intel_fcs_encryption_ext(smc_fid, x1, x2, x3,
1555 					x5, x6, x7, (uint32_t *) &x8,
1556 					&mbox_error, x10, x11);
1557 		} else if (x4 == FCS_MODE_DECRYPT) {
1558 			status = intel_fcs_decryption_ext(smc_fid, x1, x2, x3,
1559 					x5, x6, x7, (uint32_t *) &x8,
1560 					&mbox_error, x9, x10, x11);
1561 		} else {
1562 			ERROR("MBOX: 0x%x: Wrong crypto mode\n", smc_fid);
1563 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1564 		}
1565 		SMC_RET1(handle, status);
1566 	}
1567 
1568 	case ALTERA_SIP_SMC_ASYNC_FCS_SEND_CERTIFICATE:
1569 	{
1570 		status = intel_fcs_send_cert(smc_fid, x1, x2, x3, &mbox_error);
1571 		SMC_RET1(handle, status);
1572 	}
1573 
1574 	case ALTERA_SIP_SMC_ASYNC_FCS_OPEN_CS_SESSION:
1575 	{
1576 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1577 						   GET_JOB_ID(x1),
1578 						   MBOX_FCS_OPEN_CS_SESSION,
1579 						   NULL,
1580 						   0U,
1581 						   MBOX_CMD_FLAG_CASUAL,
1582 						   sip_smc_cmd_cb_ret3,
1583 						   NULL,
1584 						   0);
1585 		SMC_RET1(handle, status);
1586 	}
1587 
1588 	case ALTERA_SIP_SMC_ASYNC_FCS_CLOSE_CS_SESSION:
1589 	{
1590 		uint32_t session_id = (uint32_t)x2;
1591 
1592 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1593 						   GET_JOB_ID(x1),
1594 						   MBOX_FCS_CLOSE_CS_SESSION,
1595 						   &session_id,
1596 						   1U,
1597 						   MBOX_CMD_FLAG_CASUAL,
1598 						   sip_smc_cmd_cb_ret2,
1599 						   NULL,
1600 						   0);
1601 		SMC_RET1(handle, status);
1602 	}
1603 
1604 	case ALTERA_SIP_SMC_ASYNC_FCS_IMPORT_CS_KEY:
1605 	{
1606 		uint64_t key_addr = x2;
1607 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1608 
1609 		if ((key_len_words > FCS_CS_KEY_OBJ_MAX_WORD_SIZE) ||
1610 		    (!is_address_in_ddr_range(key_addr, key_len_words * 4))) {
1611 			ERROR("MBOX: 0x%x: Addr not in DDR range or key len exceeds\n",
1612 				smc_fid);
1613 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1614 			SMC_RET1(handle, status);
1615 		}
1616 
1617 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1618 						   GET_JOB_ID(x1),
1619 						   MBOX_FCS_IMPORT_CS_KEY,
1620 						   (uint32_t *)key_addr,
1621 						   key_len_words,
1622 						   MBOX_CMD_FLAG_CASUAL,
1623 						   sip_smc_cmd_cb_ret3,
1624 						   NULL,
1625 						   0);
1626 		SMC_RET1(handle, status);
1627 	}
1628 
1629 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CS_KEY:
1630 	{
1631 		uint64_t key_addr = x2;
1632 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1633 
1634 		if (!is_address_in_ddr_range(key_addr, key_len_words * 4)) {
1635 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1636 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1637 			SMC_RET1(handle, status);
1638 		}
1639 
1640 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1641 						   GET_JOB_ID(x1),
1642 						   MBOX_FCS_CREATE_CS_KEY,
1643 						   (uint32_t *)key_addr,
1644 						   key_len_words,
1645 						   MBOX_CMD_FLAG_CASUAL,
1646 						   sip_smc_cmd_cb_ret3,
1647 						   NULL,
1648 						   0);
1649 		SMC_RET1(handle, status);
1650 	}
1651 
1652 	case ALTERA_SIP_SMC_ASYNC_FCS_EXPORT_CS_KEY:
1653 	{
1654 		uint32_t session_id = (uint32_t)x2;
1655 		uint32_t key_uid = (uint32_t)x3;
1656 		uint64_t ret_key_addr = (uint64_t)x4;
1657 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1658 
1659 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1660 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1661 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1662 			SMC_RET1(handle, status);
1663 		}
1664 
1665 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1666 					      RESERVED_AS_ZERO, key_uid};
1667 
1668 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1669 						   GET_JOB_ID(x1),
1670 						   MBOX_FCS_EXPORT_CS_KEY,
1671 						   (uint32_t *)&payload,
1672 						   sizeof(payload) / MBOX_WORD_BYTE,
1673 						   MBOX_CMD_FLAG_CASUAL,
1674 						   sip_smc_ret_nbytes_cb,
1675 						   (uint32_t *)ret_key_addr,
1676 						   2);
1677 		SMC_RET1(handle, status);
1678 	}
1679 
1680 	case ALTERA_SIP_SMC_ASYNC_FCS_REMOVE_CS_KEY:
1681 	{
1682 		uint32_t session_id = (uint32_t)x2;
1683 		uint32_t key_uid = (uint32_t)x3;
1684 
1685 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1686 					      RESERVED_AS_ZERO, key_uid};
1687 
1688 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1689 						   GET_JOB_ID(x1),
1690 						   MBOX_FCS_REMOVE_CS_KEY,
1691 						   (uint32_t *)&payload,
1692 						   sizeof(payload) / MBOX_WORD_BYTE,
1693 						   MBOX_CMD_FLAG_CASUAL,
1694 						   sip_smc_cmd_cb_ret3,
1695 						   NULL,
1696 						   0);
1697 		SMC_RET1(handle, status);
1698 	}
1699 
1700 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_CS_KEY_INFO:
1701 	{
1702 		uint32_t session_id = (uint32_t)x2;
1703 		uint32_t key_uid = (uint32_t)x3;
1704 		uint64_t ret_key_addr = (uint64_t)x4;
1705 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1706 
1707 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1708 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1709 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1710 			SMC_RET1(handle, status);
1711 		}
1712 
1713 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1714 					      RESERVED_AS_ZERO, key_uid};
1715 
1716 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1717 						   GET_JOB_ID(x1),
1718 						   MBOX_FCS_GET_CS_KEY_INFO,
1719 						   (uint32_t *)&payload,
1720 						   sizeof(payload) / MBOX_WORD_BYTE,
1721 						   MBOX_CMD_FLAG_CASUAL,
1722 						   sip_smc_ret_nbytes_cb,
1723 						   (uint32_t *)ret_key_addr,
1724 						   2);
1725 		SMC_RET1(handle, status);
1726 	}
1727 
1728 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_INIT:
1729 	{
1730 		status = intel_fcs_aes_crypt_init(x2, x3, x4, x5,
1731 					x6, &mbox_error);
1732 		SMC_RET1(handle, status);
1733 	}
1734 
1735 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_UPDATE:
1736 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE:
1737 	{
1738 		uint32_t job_id = 0U;
1739 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE) ?
1740 				true : false;
1741 
1742 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, x1, x2,
1743 					x3, x4, x5, x6, x7, x8, is_final,
1744 					&job_id, x9, x10);
1745 		SMC_RET1(handle, status);
1746 	}
1747 
1748 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_INIT:
1749 	{
1750 		status = intel_fcs_get_digest_init(x2, x3, x4, x5, x6,
1751 					&mbox_error);
1752 		SMC_RET1(handle, status);
1753 	}
1754 
1755 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_UPDATE:
1756 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE:
1757 	{
1758 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE) ?
1759 				true : false;
1760 
1761 		status = intel_fcs_get_digest_update_finalize(smc_fid, x1, x2,
1762 					x3, x4, x5, x6, (uint32_t *) &x7,
1763 					is_final, &mbox_error, x8);
1764 
1765 		SMC_RET1(handle, status);
1766 	}
1767 
1768 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_INIT:
1769 	{
1770 		status = intel_fcs_mac_verify_init(x2, x3, x4, x5, x6,
1771 					&mbox_error);
1772 		SMC_RET1(handle, status);
1773 	}
1774 
1775 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_UPDATE:
1776 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE:
1777 	{
1778 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE) ?
1779 				true : false;
1780 
1781 		status = intel_fcs_mac_verify_update_finalize(smc_fid, x1, x2,
1782 					x3, x4, x5, x6, (uint32_t *) &x7, x8,
1783 					is_final, &mbox_error, x9);
1784 		SMC_RET1(handle, status);
1785 	}
1786 
1787 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_INIT:
1788 	{
1789 		status = intel_fcs_ecdsa_hash_sign_init(x2, x3, x4, x5, x6,
1790 					&mbox_error);
1791 		SMC_RET1(handle, status);
1792 	}
1793 
1794 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_FINALIZE:
1795 	{
1796 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, x1, x2, x3,
1797 					x4, x5, x6, (uint32_t *) &x7,
1798 					&mbox_error);
1799 		SMC_RET1(handle, status);
1800 	}
1801 
1802 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
1803 	{
1804 		status = intel_fcs_ecdsa_sha2_data_sign_init(x2, x3, x4, x5, x6,
1805 					&mbox_error);
1806 		SMC_RET1(handle, status);
1807 	}
1808 
1809 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
1810 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
1811 	{
1812 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE)
1813 				? true : false;
1814 
1815 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
1816 					x1, x2, x3, x4, x5, x6, (uint32_t *) &x7,
1817 					is_final, &mbox_error, x8);
1818 		SMC_RET1(handle, status);
1819 	}
1820 
1821 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
1822 	{
1823 		status = intel_fcs_ecdsa_hash_sig_verify_init(x2, x3, x4, x5,
1824 					x6, &mbox_error);
1825 		SMC_RET1(handle, status);
1826 	}
1827 
1828 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
1829 	{
1830 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, x1,
1831 					x2, x3, x4, x5, x6, (uint32_t *) &x7,
1832 					&mbox_error);
1833 		SMC_RET1(handle, status);
1834 	}
1835 
1836 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
1837 	{
1838 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x2, x3, x4,
1839 					x5, x6, &mbox_error);
1840 		SMC_RET1(handle, status);
1841 	}
1842 
1843 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
1844 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
1845 	{
1846 		bool is_final = (smc_fid ==
1847 				ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE) ?
1848 				true : false;
1849 
1850 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
1851 					smc_fid, x1, x2, x3, x4, x5, x6,
1852 					(uint32_t *) &x7, x8, is_final,
1853 					&mbox_error, x9);
1854 		SMC_RET1(handle, status);
1855 	}
1856 
1857 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_INIT:
1858 	{
1859 		status = intel_fcs_ecdsa_get_pubkey_init(x2, x3, x4, x5, x6,
1860 					&mbox_error);
1861 		SMC_RET1(handle, status);
1862 	}
1863 
1864 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
1865 	{
1866 		status = intel_fcs_ecdsa_get_pubkey_finalize(smc_fid, x1, x2, x3,
1867 					x4, (uint32_t *) &x5, &mbox_error);
1868 		SMC_RET1(handle, status);
1869 	}
1870 
1871 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_INIT:
1872 	{
1873 		status = intel_fcs_ecdh_request_init(x2, x3, x4, x5, x6,
1874 					&mbox_error);
1875 		SMC_RET1(handle, status);
1876 	}
1877 
1878 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_FINALIZE:
1879 	{
1880 		uint32_t dest_size = (uint32_t)x7;
1881 
1882 		NOTICE("MBOX: %s, %d: x7 0x%x, dest_size 0x%x\n",
1883 			__func__, __LINE__, (uint32_t)x7, dest_size);
1884 
1885 		status = intel_fcs_ecdh_request_finalize(smc_fid, x1, x2, x3,
1886 					x4, x5, x6, (uint32_t *) &dest_size,
1887 					&mbox_error);
1888 		SMC_RET1(handle, status);
1889 	}
1890 
1891 	case ALTERA_SIP_SMC_ASYNC_MCTP_MSG:
1892 	{
1893 		uint32_t *src_addr = (uint32_t *)x2;
1894 		uint32_t src_size = (uint32_t)x3;
1895 		uint32_t *dst_addr = (uint32_t *)x4;
1896 
1897 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1898 						   GET_JOB_ID(x1),
1899 						   MBOX_CMD_MCTP_MSG,
1900 						   src_addr,
1901 						   src_size / MBOX_WORD_BYTE,
1902 						   MBOX_CMD_FLAG_CASUAL,
1903 						   sip_smc_ret_nbytes_cb,
1904 						   dst_addr,
1905 						   2);
1906 
1907 		SMC_RET1(handle, status);
1908 	}
1909 
1910 	case ALTERA_SIP_SMC_ASYNC_FCS_HKDF_REQUEST:
1911 	{
1912 		status = intel_fcs_hkdf_request(smc_fid, x1, x2, x3, x4, x5, x6,
1913 					x7);
1914 		SMC_RET1(handle, status);
1915 	}
1916 
1917 	default:
1918 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
1919 					   cookie, handle, flags);
1920 	} /* switch (smc_fid) */
1921 }
1922 #endif
1923 
1924 /*
1925  * This function is responsible for handling all SiP calls from the NS world
1926  */
1927 
1928 uintptr_t sip_smc_handler_v1(uint32_t smc_fid,
1929 			 u_register_t x1,
1930 			 u_register_t x2,
1931 			 u_register_t x3,
1932 			 u_register_t x4,
1933 			 void *cookie,
1934 			 void *handle,
1935 			 u_register_t flags)
1936 {
1937 	uint32_t retval = 0, completed_addr[3];
1938 	uint32_t retval2 = 0;
1939 	uint32_t mbox_error = 0;
1940 	uint32_t err_states = 0;
1941 	uint64_t retval64, rsu_respbuf[9];
1942 	uint32_t seu_respbuf[3];
1943 	int status = INTEL_SIP_SMC_STATUS_OK;
1944 	int mbox_status;
1945 	unsigned int len_in_resp = 0;
1946 	u_register_t x5, x6, x7;
1947 
1948 	switch (smc_fid) {
1949 	case SIP_SVC_UID:
1950 		/* Return UID to the caller */
1951 		SMC_UUID_RET(handle, intl_svc_uid);
1952 
1953 	case INTEL_SIP_SMC_FPGA_CONFIG_ISDONE:
1954 		status = intel_mailbox_fpga_config_isdone(&err_states);
1955 		SMC_RET4(handle, status, err_states, 0, 0);
1956 
1957 	case INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM:
1958 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
1959 			INTEL_SIP_SMC_FPGA_CONFIG_ADDR,
1960 			INTEL_SIP_SMC_FPGA_CONFIG_SIZE -
1961 				INTEL_SIP_SMC_FPGA_CONFIG_ADDR);
1962 
1963 	case INTEL_SIP_SMC_FPGA_CONFIG_START:
1964 		status = intel_fpga_config_start(x1);
1965 		SMC_RET4(handle, status, 0, 0, 0);
1966 
1967 	case INTEL_SIP_SMC_FPGA_CONFIG_WRITE:
1968 		status = intel_fpga_config_write(x1, x2);
1969 		SMC_RET4(handle, status, 0, 0, 0);
1970 
1971 	case INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE:
1972 		status = intel_fpga_config_completed_write(completed_addr,
1973 							&retval, &rcv_id);
1974 		switch (retval) {
1975 		case 1:
1976 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1977 				completed_addr[0], 0, 0);
1978 
1979 		case 2:
1980 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1981 				completed_addr[0],
1982 				completed_addr[1], 0);
1983 
1984 		case 3:
1985 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1986 				completed_addr[0],
1987 				completed_addr[1],
1988 				completed_addr[2]);
1989 
1990 		case 0:
1991 			SMC_RET4(handle, status, 0, 0, 0);
1992 
1993 		default:
1994 			mailbox_clear_response();
1995 			SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
1996 		}
1997 
1998 	case INTEL_SIP_SMC_REG_READ:
1999 		status = intel_secure_reg_read(x1, &retval);
2000 		SMC_RET3(handle, status, retval, x1);
2001 
2002 	case INTEL_SIP_SMC_REG_WRITE:
2003 		status = intel_secure_reg_write(x1, (uint32_t)x2, &retval);
2004 		SMC_RET3(handle, status, retval, x1);
2005 
2006 	case INTEL_SIP_SMC_REG_UPDATE:
2007 		status = intel_secure_reg_update(x1, (uint32_t)x2,
2008 						 (uint32_t)x3, &retval);
2009 		SMC_RET3(handle, status, retval, x1);
2010 
2011 	case INTEL_SIP_SMC_RSU_STATUS:
2012 		status = intel_rsu_status(rsu_respbuf,
2013 					ARRAY_SIZE(rsu_respbuf));
2014 		if (status) {
2015 			SMC_RET1(handle, status);
2016 		} else {
2017 			SMC_RET4(handle, rsu_respbuf[0], rsu_respbuf[1],
2018 					rsu_respbuf[2], rsu_respbuf[3]);
2019 		}
2020 
2021 	case INTEL_SIP_SMC_RSU_UPDATE:
2022 		status = intel_rsu_update(x1);
2023 		SMC_RET1(handle, status);
2024 
2025 	case INTEL_SIP_SMC_RSU_NOTIFY:
2026 		status = intel_rsu_notify(x1);
2027 		SMC_RET1(handle, status);
2028 
2029 	case INTEL_SIP_SMC_RSU_RETRY_COUNTER:
2030 		status = intel_rsu_retry_counter((uint32_t *)rsu_respbuf,
2031 						ARRAY_SIZE(rsu_respbuf), &retval);
2032 		if (status) {
2033 			SMC_RET1(handle, status);
2034 		} else {
2035 			SMC_RET2(handle, status, retval);
2036 		}
2037 
2038 	case INTEL_SIP_SMC_RSU_DCMF_VERSION:
2039 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2040 			 ((uint64_t)rsu_dcmf_ver[1] << 32) | rsu_dcmf_ver[0],
2041 			 ((uint64_t)rsu_dcmf_ver[3] << 32) | rsu_dcmf_ver[2]);
2042 
2043 	case INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION:
2044 		status = intel_rsu_copy_dcmf_version(x1, x2);
2045 		SMC_RET1(handle, status);
2046 
2047 	case INTEL_SIP_SMC_RSU_GET_DEVICE_INFO:
2048 		status = intel_rsu_get_device_info((uint32_t *)rsu_respbuf,
2049 					ARRAY_SIZE(rsu_respbuf));
2050 		if (status) {
2051 			SMC_RET1(handle, status);
2052 		} else {
2053 			SMC_RET5(handle, status, rsu_respbuf[0], rsu_respbuf[1],
2054 				 rsu_respbuf[2], rsu_respbuf[3]);
2055 		}
2056 
2057 	case INTEL_SIP_SMC_RSU_DCMF_STATUS:
2058 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK,
2059 			 ((uint64_t)rsu_dcmf_stat[3] << 48) |
2060 			 ((uint64_t)rsu_dcmf_stat[2] << 32) |
2061 			 ((uint64_t)rsu_dcmf_stat[1] << 16) |
2062 			 rsu_dcmf_stat[0]);
2063 
2064 	case INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS:
2065 		status = intel_rsu_copy_dcmf_status(x1);
2066 		SMC_RET1(handle, status);
2067 
2068 	case INTEL_SIP_SMC_RSU_MAX_RETRY:
2069 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK, rsu_max_retry);
2070 
2071 	case INTEL_SIP_SMC_RSU_COPY_MAX_RETRY:
2072 		rsu_max_retry = x1;
2073 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2074 
2075 	case INTEL_SIP_SMC_ECC_DBE:
2076 		status = intel_ecc_dbe_notification(x1);
2077 		SMC_RET1(handle, status);
2078 
2079 	case INTEL_SIP_SMC_SERVICE_COMPLETED:
2080 		status = intel_smc_service_completed(x1, x2, x3, &rcv_id,
2081 						&len_in_resp, &mbox_error);
2082 		SMC_RET4(handle, status, mbox_error, x1, len_in_resp);
2083 
2084 	case INTEL_SIP_SMC_FIRMWARE_VERSION:
2085 		status = intel_smc_fw_version(&retval);
2086 		SMC_RET2(handle, status, retval);
2087 
2088 	case INTEL_SIP_SMC_MBOX_SEND_CMD:
2089 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2090 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2091 		status = intel_mbox_send_cmd(x1, (uint32_t *)x2, x3, x4, x5, x6,
2092 						&mbox_status, &len_in_resp);
2093 		SMC_RET3(handle, status, mbox_status, len_in_resp);
2094 
2095 	case INTEL_SIP_SMC_GET_USERCODE:
2096 		status = intel_smc_get_usercode(&retval);
2097 		SMC_RET2(handle, status, retval);
2098 
2099 	case INTEL_SIP_SMC_FCS_CRYPTION:
2100 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2101 
2102 		if (x1 == FCS_MODE_DECRYPT) {
2103 			status = intel_fcs_decryption(x2, x3, x4, x5, &send_id);
2104 		} else if (x1 == FCS_MODE_ENCRYPT) {
2105 			status = intel_fcs_encryption(x2, x3, x4, x5, &send_id);
2106 		} else {
2107 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2108 		}
2109 
2110 		SMC_RET3(handle, status, x4, x5);
2111 
2112 	case INTEL_SIP_SMC_FCS_CRYPTION_EXT:
2113 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2114 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2115 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2116 
2117 		if (x3 == FCS_MODE_DECRYPT) {
2118 			status = intel_fcs_decryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2119 					(uint32_t *) &x7, &mbox_error, 0, 0, 0);
2120 		} else if (x3 == FCS_MODE_ENCRYPT) {
2121 			status = intel_fcs_encryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2122 					(uint32_t *) &x7, &mbox_error, 0, 0);
2123 		} else {
2124 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2125 		}
2126 
2127 		SMC_RET4(handle, status, mbox_error, x6, x7);
2128 
2129 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER:
2130 		status = intel_fcs_random_number_gen(x1, &retval64,
2131 							&mbox_error);
2132 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2133 
2134 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT:
2135 		status = intel_fcs_random_number_gen_ext(x1, x2, x3,
2136 							&send_id);
2137 		SMC_RET1(handle, status);
2138 
2139 	case INTEL_SIP_SMC_FCS_SEND_CERTIFICATE:
2140 		status = intel_fcs_send_cert(smc_fid, 0, x1, x2, &send_id);
2141 		SMC_RET1(handle, status);
2142 
2143 	case INTEL_SIP_SMC_FCS_GET_PROVISION_DATA:
2144 		status = intel_fcs_get_provision_data(&send_id);
2145 		SMC_RET1(handle, status);
2146 
2147 	case INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH:
2148 		status = intel_fcs_cntr_set_preauth(smc_fid, 0, x1, x2, x3,
2149 							&mbox_error);
2150 		SMC_RET2(handle, status, mbox_error);
2151 
2152 	case INTEL_SIP_SMC_HPS_SET_BRIDGES:
2153 		status = intel_hps_set_bridges(x1, x2);
2154 		SMC_RET1(handle, status);
2155 
2156 	case INTEL_SIP_SMC_HWMON_READTEMP:
2157 		status = intel_hwmon_readtemp(x1, &retval);
2158 		SMC_RET2(handle, status, retval);
2159 
2160 	case INTEL_SIP_SMC_HWMON_READVOLT:
2161 		status = intel_hwmon_readvolt(x1, &retval);
2162 		SMC_RET2(handle, status, retval);
2163 
2164 	case INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN:
2165 		status = intel_fcs_sigma_teardown(x1, &mbox_error);
2166 		SMC_RET2(handle, status, mbox_error);
2167 
2168 	case INTEL_SIP_SMC_FCS_CHIP_ID:
2169 		status = intel_fcs_chip_id(&retval, &retval2, &mbox_error);
2170 		SMC_RET4(handle, status, mbox_error, retval, retval2);
2171 
2172 	case INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY:
2173 		status = intel_fcs_attestation_subkey(x1, x2, x3,
2174 					(uint32_t *) &x4, &mbox_error);
2175 		SMC_RET4(handle, status, mbox_error, x3, x4);
2176 
2177 	case INTEL_SIP_SMC_FCS_ATTESTATION_MEASUREMENTS:
2178 		status = intel_fcs_get_measurement(x1, x2, x3,
2179 					(uint32_t *) &x4, &mbox_error);
2180 		SMC_RET4(handle, status, mbox_error, x3, x4);
2181 
2182 	case INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT:
2183 		status = intel_fcs_get_attestation_cert(smc_fid, 0, x1, x2,
2184 					(uint32_t *) &x3, &mbox_error);
2185 		SMC_RET4(handle, status, mbox_error, x2, x3);
2186 
2187 	case INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD:
2188 		status = intel_fcs_create_cert_on_reload(smc_fid, 0, x1, &mbox_error);
2189 		SMC_RET2(handle, status, mbox_error);
2190 
2191 	case INTEL_SIP_SMC_FCS_OPEN_CS_SESSION:
2192 		status = intel_fcs_open_crypto_service_session(&retval, &mbox_error);
2193 		SMC_RET3(handle, status, mbox_error, retval);
2194 
2195 	case INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION:
2196 		status = intel_fcs_close_crypto_service_session(x1, &mbox_error);
2197 		SMC_RET2(handle, status, mbox_error);
2198 
2199 	case INTEL_SIP_SMC_FCS_IMPORT_CS_KEY:
2200 		status = intel_fcs_import_crypto_service_key(x1, x2, &send_id);
2201 		SMC_RET1(handle, status);
2202 
2203 	case INTEL_SIP_SMC_FCS_EXPORT_CS_KEY:
2204 		status = intel_fcs_export_crypto_service_key(x1, x2, x3,
2205 					(uint32_t *) &x4, &mbox_error);
2206 		SMC_RET4(handle, status, mbox_error, x3, x4);
2207 
2208 	case INTEL_SIP_SMC_FCS_REMOVE_CS_KEY:
2209 		status = intel_fcs_remove_crypto_service_key(x1, x2,
2210 					&mbox_error);
2211 		SMC_RET2(handle, status, mbox_error);
2212 
2213 	case INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO:
2214 		status = intel_fcs_get_crypto_service_key_info(x1, x2, x3,
2215 					(uint32_t *) &x4, &mbox_error);
2216 		SMC_RET4(handle, status, mbox_error, x3, x4);
2217 
2218 	case INTEL_SIP_SMC_FCS_GET_DIGEST_INIT:
2219 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2220 		status = intel_fcs_get_digest_init(x1, x2, x3,
2221 					x4, x5, &mbox_error);
2222 		SMC_RET2(handle, status, mbox_error);
2223 
2224 	case INTEL_SIP_SMC_FCS_GET_DIGEST_UPDATE:
2225 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2226 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2227 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2228 					x3, x4, x5, (uint32_t *) &x6, false,
2229 					&mbox_error, 0);
2230 		SMC_RET4(handle, status, mbox_error, x5, x6);
2231 
2232 	case INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE:
2233 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2234 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2235 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2236 					x3, x4, x5, (uint32_t *) &x6, true,
2237 					&mbox_error, 0);
2238 		SMC_RET4(handle, status, mbox_error, x5, x6);
2239 
2240 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_UPDATE:
2241 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2242 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2243 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2244 					x4, x5, (uint32_t *) &x6, false,
2245 					&mbox_error, &send_id);
2246 		SMC_RET4(handle, status, mbox_error, x5, x6);
2247 
2248 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_FINALIZE:
2249 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2250 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2251 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2252 					x4, x5, (uint32_t *) &x6, true,
2253 					&mbox_error, &send_id);
2254 		SMC_RET4(handle, status, mbox_error, x5, x6);
2255 
2256 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT:
2257 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2258 		status = intel_fcs_mac_verify_init(x1, x2, x3,
2259 					x4, x5, &mbox_error);
2260 		SMC_RET2(handle, status, mbox_error);
2261 
2262 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_UPDATE:
2263 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2264 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2265 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2266 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2267 					x3, x4, x5, (uint32_t *) &x6, x7, false,
2268 					&mbox_error, 0);
2269 		SMC_RET4(handle, status, mbox_error, x5, x6);
2270 
2271 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE:
2272 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2273 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2274 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2275 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2276 					x3, x4, x5, (uint32_t *) &x6, x7, true,
2277 					&mbox_error, 0);
2278 		SMC_RET4(handle, status, mbox_error, x5, x6);
2279 
2280 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_UPDATE:
2281 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2282 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2283 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2284 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2285 					x4, x5, (uint32_t *) &x6, x7,
2286 					false, &mbox_error, &send_id);
2287 		SMC_RET4(handle, status, mbox_error, x5, x6);
2288 
2289 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_FINALIZE:
2290 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2291 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2292 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2293 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2294 					x4, x5, (uint32_t *) &x6, x7,
2295 					true, &mbox_error, &send_id);
2296 		SMC_RET4(handle, status, mbox_error, x5, x6);
2297 
2298 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
2299 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2300 		status = intel_fcs_ecdsa_sha2_data_sign_init(x1, x2, x3,
2301 					x4, x5, &mbox_error);
2302 		SMC_RET2(handle, status, mbox_error);
2303 
2304 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
2305 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2306 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2307 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2308 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2309 					false, &mbox_error, 0);
2310 		SMC_RET4(handle, status, mbox_error, x5, x6);
2311 
2312 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
2313 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2314 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2315 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2316 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2317 					true, &mbox_error, 0);
2318 		SMC_RET4(handle, status, mbox_error, x5, x6);
2319 
2320 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_UPDATE:
2321 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2322 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2323 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2324 					x2, x3, x4, x5, (uint32_t *) &x6, false,
2325 					&mbox_error, &send_id);
2326 		SMC_RET4(handle, status, mbox_error, x5, x6);
2327 
2328 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_FINALIZE:
2329 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2330 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2331 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2332 					x2, x3, x4, x5, (uint32_t *) &x6, true,
2333 					&mbox_error, &send_id);
2334 		SMC_RET4(handle, status, mbox_error, x5, x6);
2335 
2336 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_INIT:
2337 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2338 		status = intel_fcs_ecdsa_hash_sign_init(x1, x2, x3,
2339 					x4, x5, &mbox_error);
2340 		SMC_RET2(handle, status, mbox_error);
2341 
2342 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_FINALIZE:
2343 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2344 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2345 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, 0, x1, x2,
2346 					x3, x4, x5, (uint32_t *) &x6,
2347 					&mbox_error);
2348 		SMC_RET4(handle, status, mbox_error, x5, x6);
2349 
2350 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
2351 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2352 		status = intel_fcs_ecdsa_hash_sig_verify_init(x1, x2, x3,
2353 					x4, x5, &mbox_error);
2354 		SMC_RET2(handle, status, mbox_error);
2355 
2356 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
2357 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2358 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2359 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, 0, x1,
2360 					x2, x3, x4, x5, (uint32_t *) &x6,
2361 					&mbox_error);
2362 		SMC_RET4(handle, status, mbox_error, x5, x6);
2363 
2364 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
2365 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2366 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x1, x2, x3,
2367 					x4, x5, &mbox_error);
2368 		SMC_RET2(handle, status, mbox_error);
2369 
2370 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
2371 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2372 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2373 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2374 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2375 					smc_fid, 0, x1, x2, x3, x4, x5,
2376 					(uint32_t *) &x6, x7, false,
2377 					&mbox_error, 0);
2378 		SMC_RET4(handle, status, mbox_error, x5, x6);
2379 
2380 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_UPDATE:
2381 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2382 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2383 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2384 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2385 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2386 					x7, false, &mbox_error, &send_id);
2387 		SMC_RET4(handle, status, mbox_error, x5, x6);
2388 
2389 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_FINALIZE:
2390 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2391 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2392 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2393 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2394 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2395 					x7, true, &mbox_error, &send_id);
2396 		SMC_RET4(handle, status, mbox_error, x5, x6);
2397 
2398 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
2399 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2400 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2401 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2402 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2403 					smc_fid, 0, x1, x2, x3, x4, x5,
2404 					(uint32_t *) &x6, x7, true,
2405 					&mbox_error, 0);
2406 		SMC_RET4(handle, status, mbox_error, x5, x6);
2407 
2408 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
2409 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2410 		status = intel_fcs_ecdsa_get_pubkey_init(x1, x2, x3,
2411 					x4, x5, &mbox_error);
2412 		SMC_RET2(handle, status, mbox_error);
2413 
2414 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
2415 		status = intel_fcs_ecdsa_get_pubkey_finalize(
2416 				INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE, 0,
2417 				x1, x2, x3, (uint32_t *) &x4, &mbox_error);
2418 		SMC_RET4(handle, status, mbox_error, x3, x4);
2419 
2420 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_INIT:
2421 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2422 		status = intel_fcs_ecdh_request_init(x1, x2, x3,
2423 					x4, x5, &mbox_error);
2424 		SMC_RET2(handle, status, mbox_error);
2425 
2426 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_FINALIZE:
2427 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2428 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2429 		status = intel_fcs_ecdh_request_finalize(smc_fid, 0, x1, x2, x3,
2430 					 x4, x5, (uint32_t *) &x6, &mbox_error);
2431 		SMC_RET4(handle, status, mbox_error, x5, x6);
2432 
2433 	case INTEL_SIP_SMC_FCS_AES_CRYPT_INIT:
2434 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2435 		status = intel_fcs_aes_crypt_init(x1, x2, x3, x4, x5,
2436 					&mbox_error);
2437 		SMC_RET2(handle, status, mbox_error);
2438 
2439 	case INTEL_SIP_SMC_FCS_AES_CRYPT_UPDATE:
2440 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2441 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2442 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2443 					x3, x4, x5, x6, 0, false, &send_id, 0, 0);
2444 		SMC_RET1(handle, status);
2445 
2446 	case INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE:
2447 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2448 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2449 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2450 					x3, x4, x5, x6, 0, true, &send_id, 0, 0);
2451 		SMC_RET1(handle, status);
2452 
2453 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2454 	case INTEL_SIP_SMC_FCS_SDM_REMAPPER_CONFIG:
2455 		status = intel_smmu_hps_remapper_config(x1);
2456 		SMC_RET1(handle, status);
2457 #endif
2458 
2459 	case INTEL_SIP_SMC_GET_ROM_PATCH_SHA384:
2460 		status = intel_fcs_get_rom_patch_sha384(x1, &retval64,
2461 							&mbox_error);
2462 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2463 
2464 	case INTEL_SIP_SMC_SVC_VERSION:
2465 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2466 					SIP_SVC_VERSION_MAJOR,
2467 					SIP_SVC_VERSION_MINOR);
2468 
2469 	case INTEL_SIP_SMC_SEU_ERR_STATUS:
2470 		status = intel_sdm_seu_err_read(seu_respbuf,
2471 					ARRAY_SIZE(seu_respbuf));
2472 		if (status) {
2473 			SMC_RET1(handle, status);
2474 		} else {
2475 			SMC_RET3(handle, seu_respbuf[0], seu_respbuf[1], seu_respbuf[2]);
2476 		}
2477 
2478 	case INTEL_SIP_SMC_SAFE_INJECT_SEU_ERR:
2479 		status = intel_sdm_safe_inject_seu_err((uint32_t *)&x1, (uint32_t)x2);
2480 		SMC_RET1(handle, status);
2481 
2482 	case INTEL_SIP_SMC_ATF_BUILD_VER:
2483 		SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK, VERSION_MAJOR,
2484 			 VERSION_MINOR, VERSION_PATCH);
2485 
2486 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2487 	case INTEL_SIP_SMC_INJECT_IO96B_ECC_ERR:
2488 		intel_inject_io96b_ecc_err((uint32_t *)&x1, (uint32_t)x2);
2489 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2490 #endif
2491 
2492 	default:
2493 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
2494 			cookie, handle, flags);
2495 	}
2496 }
2497 
2498 uintptr_t sip_smc_handler(uint32_t smc_fid,
2499 			 u_register_t x1,
2500 			 u_register_t x2,
2501 			 u_register_t x3,
2502 			 u_register_t x4,
2503 			 void *cookie,
2504 			 void *handle,
2505 			 u_register_t flags)
2506 {
2507 	uint32_t cmd = smc_fid & INTEL_SIP_SMC_CMD_MASK;
2508 
2509 	if (cmd >= INTEL_SIP_SMC_CMD_V2_RANGE_BEGIN &&
2510 	    cmd <= INTEL_SIP_SMC_CMD_V2_RANGE_END) {
2511 		return sip_smc_handler_v2(smc_fid, x1, x2, x3, x4,
2512 			cookie, handle, flags);
2513 	}
2514 #if SIP_SVC_V3
2515 	else if ((cmd >= INTEL_SIP_SMC_CMD_V3_RANGE_BEGIN) &&
2516 		(cmd <= INTEL_SIP_SMC_CMD_V3_RANGE_END)) {
2517 		uintptr_t ret = sip_smc_handler_v3(smc_fid, x1, x2, x3, x4,
2518 						   cookie, handle, flags);
2519 		return ret;
2520 	}
2521 #endif
2522 	else {
2523 		return sip_smc_handler_v1(smc_fid, x1, x2, x3, x4,
2524 			cookie, handle, flags);
2525 	}
2526 }
2527 
2528 DECLARE_RT_SVC(
2529 	socfpga_sip_svc,
2530 	OEN_SIP_START,
2531 	OEN_SIP_END,
2532 	SMC_TYPE_FAST,
2533 	NULL,
2534 	sip_smc_handler
2535 );
2536 
2537 DECLARE_RT_SVC(
2538 	socfpga_sip_svc_std,
2539 	OEN_SIP_START,
2540 	OEN_SIP_END,
2541 	SMC_TYPE_YIELD,
2542 	NULL,
2543 	sip_smc_handler
2544 );
2545