xref: /rk3399_ARM-atf/plat/intel/soc/common/socfpga_sip_svc.c (revision d625940fb85df18f6f25d1b6da1293f5f1bf8779)
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 	if (is_agilex5_A5F4() == true) {
375 		switch (reg_addr) {
376 		/* TSN stream control registers — only accessible on Agilex5 B0 */
377 		case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN0):
378 		case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN1):
379 		case SOCFPGA_SYSMGR(TSN_TBU_STREAM_CTRL_REG_3_TSN2):
380 			return 0;
381 
382 		default:
383 			break;
384 		}
385 	}
386 #endif
387 
388 #if PLATFORM_MODEL != PLAT_SOCFPGA_AGILEX5
389 	switch (reg_addr) {
390 	case(0xF8011100):	/* ECCCTRL1 */
391 	case(0xF8011104):	/* ECCCTRL2 */
392 	case(0xF8011110):	/* ERRINTEN */
393 	case(0xF8011114):	/* ERRINTENS */
394 	case(0xF8011118):	/* ERRINTENR */
395 	case(0xF801111C):	/* INTMODE */
396 	case(0xF8011120):	/* INTSTAT */
397 	case(0xF8011124):	/* DIAGINTTEST */
398 	case(0xF801112C):	/* DERRADDRA */
399 	case(0xFA000000):	/* SMMU SCR0 */
400 	case(0xFA000004):	/* SMMU SCR1 */
401 	case(0xFA000400):	/* SMMU NSCR0 */
402 	case(0xFA004000):	/* SMMU SSD0_REG */
403 	case(0xFA000820):	/* SMMU SMR8 */
404 	case(0xFA000c20):	/* SMMU SCR8 */
405 	case(0xFA028000):	/* SMMU CB8_SCTRL */
406 	case(0xFA001020):	/* SMMU CBAR8 */
407 	case(0xFA028030):	/* SMMU TCR_LPAE */
408 	case(0xFA028020):	/* SMMU CB8_TTBR0_LOW */
409 	case(0xFA028024):	/* SMMU CB8_PRRR_HIGH */
410 	case(0xFA028038):	/* SMMU CB8_PRRR_MIR0 */
411 	case(0xFA02803C):	/* SMMU CB8_PRRR_MIR1 */
412 	case(0xFA028010):	/* SMMU_CB8)TCR2 */
413 	case(0xFFD080A4):	/* SDM SMMU STREAM ID REG */
414 	case(0xFA001820):	/* SMMU_CBA2R8 */
415 	case(0xFA000074):	/* SMMU_STLBGSTATUS */
416 	case(0xFA0287F4):	/* SMMU_CB8_TLBSTATUS */
417 	case(0xFA000060):	/* SMMU_STLBIALL */
418 	case(0xFA000070):	/* SMMU_STLBGSYNC */
419 	case(0xFA028618):	/* CB8_TLBALL */
420 	case(0xFA0287F0):	/* CB8_TLBSYNC */
421 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
422 	case(0xFFD12044):	/* EMAC0 */
423 	case(0xFFD12048):	/* EMAC1 */
424 	case(0xFFD1204C):	/* EMAC2 */
425 	case(0xFFD12090):	/* ECC_INT_MASK_VALUE */
426 	case(0xFFD12094):	/* ECC_INT_MASK_SET */
427 	case(0xFFD12098):	/* ECC_INT_MASK_CLEAR */
428 	case(0xFFD1209C):	/* ECC_INTSTATUS_SERR */
429 	case(0xFFD120A0):	/* ECC_INTSTATUS_DERR */
430 	case(0xFFD120C0):	/* NOC_TIMEOUT */
431 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
432 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
433 	case(0xFFD120D0):	/* NOC_IDLEACK */
434 	case(0xFFD120D4):	/* NOC_IDLESTATUS */
435 	case(0xFFD12200):	/* BOOT_SCRATCH_COLD0 */
436 	case(0xFFD12204):	/* BOOT_SCRATCH_COLD1 */
437 	case(0xFFD12220):	/* BOOT_SCRATCH_COLD8 */
438 	case(0xFFD12224):	/* BOOT_SCRATCH_COLD9 */
439 		return 0;
440 #else
441 	switch (reg_addr) {
442 
443 	case(0xF8011104):	/* ECCCTRL2 */
444 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
445 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
446 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
447 	case(0xFFD120D0):	/* NOC_IDLEACK */
448 
449 
450 	case(SOCFPGA_MEMCTRL(ECCCTRL1)):	/* ECCCTRL1 */
451 	case(SOCFPGA_MEMCTRL(ERRINTEN)):	/* ERRINTEN */
452 	case(SOCFPGA_MEMCTRL(ERRINTENS)):	/* ERRINTENS */
453 	case(SOCFPGA_MEMCTRL(ERRINTENR)):	/* ERRINTENR */
454 	case(SOCFPGA_MEMCTRL(INTMODE)):	/* INTMODE */
455 	case(SOCFPGA_MEMCTRL(INTSTAT)):	/* INTSTAT */
456 	case(SOCFPGA_MEMCTRL(DIAGINTTEST)):	/* DIAGINTTEST */
457 	case(SOCFPGA_MEMCTRL(DERRADDRA)):	/* DERRADDRA */
458 
459 	case(SOCFPGA_ECC_QSPI(INITSTAT)):	/* ECC_QSPI_INITSTAT */
460 	case(SOCFPGA_SYSMGR(EMAC_0)):	/* EMAC0 */
461 	case(SOCFPGA_SYSMGR(EMAC_1)):	/* EMAC1 */
462 	case(SOCFPGA_SYSMGR(EMAC_2)):	/* EMAC2 */
463 	case(SOCFPGA_SYSMGR(ECC_INTMASK_VALUE)):	/* ECC_INT_MASK_VALUE */
464 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SET)):	/* ECC_INT_MASK_SET */
465 	case(SOCFPGA_SYSMGR(ECC_INTMASK_CLR)):	/* ECC_INT_MASK_CLEAR */
466 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SERR)):	/* ECC_INTSTATUS_SERR */
467 	case(SOCFPGA_SYSMGR(ECC_INTMASK_DERR)):	/* ECC_INTSTATUS_DERR */
468 	case(SOCFPGA_SYSMGR(NOC_TIMEOUT)):	/* NOC_TIMEOUT */
469 	case(SOCFPGA_SYSMGR(NOC_IDLESTATUS)):	/* NOC_IDLESTATUS */
470 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_0)):	/* BOOT_SCRATCH_COLD0 */
471 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_1)):	/* BOOT_SCRATCH_COLD1 */
472 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_8)):	/* BOOT_SCRATCH_COLD8 */
473 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_9)):	/* BOOT_SCRATCH_COLD9 */
474 #endif
475 	case(SOCFPGA_ECC_QSPI(CTRL)):			/* ECC_QSPI_CTRL */
476 	case(SOCFPGA_ECC_QSPI(ERRINTEN)):		/* ECC_QSPI_ERRINTEN */
477 	case(SOCFPGA_ECC_QSPI(ERRINTENS)):		/* ECC_QSPI_ERRINTENS */
478 	case(SOCFPGA_ECC_QSPI(ERRINTENR)):		/* ECC_QSPI_ERRINTENR */
479 	case(SOCFPGA_ECC_QSPI(INTMODE)):		/* ECC_QSPI_INTMODE */
480 	case(SOCFPGA_ECC_QSPI(ECC_ACCCTRL)):	/* ECC_QSPI_ECC_ACCCTRL */
481 	case(SOCFPGA_ECC_QSPI(ECC_STARTACC)):	/* ECC_QSPI_ECC_STARTACC */
482 	case(SOCFPGA_ECC_QSPI(ECC_WDCTRL)):		/* ECC_QSPI_ECC_WDCTRL */
483 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
484 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
485 		return 0;
486 
487 	default:
488 		break;
489 	}
490 
491 	return -1;
492 }
493 
494 /* Secure register access */
495 uint32_t intel_secure_reg_read(uint64_t reg_addr, uint32_t *retval)
496 {
497 	if (is_out_of_sec_range(reg_addr)) {
498 		return INTEL_SIP_SMC_STATUS_ERROR;
499 	}
500 
501 	*retval = mmio_read_32(reg_addr);
502 
503 	return INTEL_SIP_SMC_STATUS_OK;
504 }
505 
506 uint32_t intel_secure_reg_write(uint64_t reg_addr, uint32_t val,
507 				uint32_t *retval)
508 {
509 	if (is_out_of_sec_range(reg_addr)) {
510 		return INTEL_SIP_SMC_STATUS_ERROR;
511 	}
512 
513 	switch (reg_addr) {
514 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
515 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
516 		mmio_write_16(reg_addr, val);
517 		break;
518 	default:
519 		mmio_write_32(reg_addr, val);
520 		break;
521 	}
522 
523 	return intel_secure_reg_read(reg_addr, retval);
524 }
525 
526 uint32_t intel_secure_reg_update(uint64_t reg_addr, uint32_t mask,
527 				 uint32_t val, uint32_t *retval)
528 {
529 	if (!intel_secure_reg_read(reg_addr, retval)) {
530 		*retval &= ~mask;
531 		*retval |= val & mask;
532 		return intel_secure_reg_write(reg_addr, *retval, retval);
533 	}
534 
535 	return INTEL_SIP_SMC_STATUS_ERROR;
536 }
537 
538 /* Intel Remote System Update (RSU) services */
539 uint64_t intel_rsu_update_address;
540 
541 static uint32_t intel_rsu_status(uint64_t *respbuf, unsigned int respbuf_sz)
542 {
543 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
544 		return INTEL_SIP_SMC_RSU_ERROR;
545 	}
546 
547 	return INTEL_SIP_SMC_STATUS_OK;
548 }
549 
550 static uint32_t intel_rsu_get_device_info(uint32_t *respbuf,
551 					  unsigned int respbuf_sz)
552 {
553 	if (mailbox_rsu_get_device_info((uint32_t *)respbuf, respbuf_sz) < 0) {
554 		return INTEL_SIP_SMC_RSU_ERROR;
555 	}
556 
557 	return INTEL_SIP_SMC_STATUS_OK;
558 }
559 
560 uint32_t intel_rsu_update(uint64_t update_address)
561 {
562 	if (update_address > SIZE_MAX) {
563 		return INTEL_SIP_SMC_STATUS_REJECTED;
564 	}
565 
566 	intel_rsu_update_address = update_address;
567 	return INTEL_SIP_SMC_STATUS_OK;
568 }
569 
570 static uint32_t intel_rsu_notify(uint32_t execution_stage)
571 {
572 	if (mailbox_hps_stage_notify(execution_stage) < 0) {
573 		return INTEL_SIP_SMC_RSU_ERROR;
574 	}
575 
576 	return INTEL_SIP_SMC_STATUS_OK;
577 }
578 
579 static uint32_t intel_rsu_retry_counter(uint32_t *respbuf, uint32_t respbuf_sz,
580 					uint32_t *ret_stat)
581 {
582 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
583 		return INTEL_SIP_SMC_RSU_ERROR;
584 	}
585 
586 	*ret_stat = respbuf[8];
587 	return INTEL_SIP_SMC_STATUS_OK;
588 }
589 
590 static uint32_t intel_rsu_copy_dcmf_version(uint64_t dcmf_ver_1_0,
591 					    uint64_t dcmf_ver_3_2)
592 {
593 	rsu_dcmf_ver[0] = dcmf_ver_1_0;
594 	rsu_dcmf_ver[1] = dcmf_ver_1_0 >> 32;
595 	rsu_dcmf_ver[2] = dcmf_ver_3_2;
596 	rsu_dcmf_ver[3] = dcmf_ver_3_2 >> 32;
597 
598 	return INTEL_SIP_SMC_STATUS_OK;
599 }
600 
601 static uint32_t intel_rsu_copy_dcmf_status(uint64_t dcmf_stat)
602 {
603 	rsu_dcmf_stat[0] = 0xFFFF & (dcmf_stat >> (0 * 16));
604 	rsu_dcmf_stat[1] = 0xFFFF & (dcmf_stat >> (1 * 16));
605 	rsu_dcmf_stat[2] = 0xFFFF & (dcmf_stat >> (2 * 16));
606 	rsu_dcmf_stat[3] = 0xFFFF & (dcmf_stat >> (3 * 16));
607 
608 	return INTEL_SIP_SMC_STATUS_OK;
609 }
610 
611 /* Intel HWMON services */
612 static uint32_t intel_hwmon_readtemp(uint32_t chan, uint32_t *retval)
613 {
614 	if (mailbox_hwmon_readtemp(chan, retval) < 0) {
615 		return INTEL_SIP_SMC_STATUS_ERROR;
616 	}
617 
618 	return INTEL_SIP_SMC_STATUS_OK;
619 }
620 
621 static uint32_t intel_hwmon_readvolt(uint32_t chan, uint32_t *retval)
622 {
623 	if (mailbox_hwmon_readvolt(chan, retval) < 0) {
624 		return INTEL_SIP_SMC_STATUS_ERROR;
625 	}
626 
627 	return INTEL_SIP_SMC_STATUS_OK;
628 }
629 
630 /* Mailbox services */
631 static uint32_t intel_smc_fw_version(uint32_t *fw_version)
632 {
633 	int status;
634 	unsigned int resp_len = CONFIG_STATUS_WORD_SIZE;
635 	uint32_t resp_data[CONFIG_STATUS_WORD_SIZE] = {0U};
636 
637 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CONFIG_STATUS, NULL, 0U,
638 			CMD_CASUAL, resp_data, &resp_len);
639 
640 	if (status < 0) {
641 		return INTEL_SIP_SMC_STATUS_ERROR;
642 	}
643 
644 	if (resp_len <= CONFIG_STATUS_FW_VER_OFFSET) {
645 		return INTEL_SIP_SMC_STATUS_ERROR;
646 	}
647 
648 	*fw_version = resp_data[CONFIG_STATUS_FW_VER_OFFSET] & CONFIG_STATUS_FW_VER_MASK;
649 
650 	return INTEL_SIP_SMC_STATUS_OK;
651 }
652 
653 static uint32_t intel_mbox_send_cmd(uint32_t cmd, uint32_t *args,
654 				unsigned int len, uint32_t urgent, uint64_t response,
655 				unsigned int resp_len, int *mbox_status,
656 				unsigned int *len_in_resp)
657 {
658 	*len_in_resp = 0;
659 	*mbox_status = GENERIC_RESPONSE_ERROR;
660 
661 	if (!is_address_in_ddr_range((uint64_t)args, sizeof(uint32_t) * len)) {
662 		return INTEL_SIP_SMC_STATUS_REJECTED;
663 	}
664 
665 	int status = mailbox_send_cmd(MBOX_JOB_ID, cmd, args, len, urgent,
666 					(uint32_t *) response, &resp_len);
667 
668 	if (status < 0) {
669 		*mbox_status = -status;
670 		return INTEL_SIP_SMC_STATUS_ERROR;
671 	}
672 
673 	*mbox_status = 0;
674 	*len_in_resp = resp_len;
675 
676 	flush_dcache_range(response, resp_len * MBOX_WORD_BYTE);
677 
678 	return INTEL_SIP_SMC_STATUS_OK;
679 }
680 
681 static int intel_smc_get_usercode(uint32_t *user_code)
682 {
683 	int status;
684 	unsigned int resp_len = sizeof(user_code) / MBOX_WORD_BYTE;
685 
686 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_GET_USERCODE, NULL,
687 				0U, CMD_CASUAL, user_code, &resp_len);
688 
689 	if (status < 0) {
690 		return INTEL_SIP_SMC_STATUS_ERROR;
691 	}
692 
693 	return INTEL_SIP_SMC_STATUS_OK;
694 }
695 
696 uint32_t intel_smc_service_completed(uint64_t addr, uint32_t size,
697 				uint32_t mode, uint32_t *job_id,
698 				uint32_t *ret_size, uint32_t *mbox_error)
699 {
700 	int status = 0;
701 	uint32_t resp_len = size / MBOX_WORD_BYTE;
702 
703 	if (resp_len > MBOX_DATA_MAX_LEN) {
704 		return INTEL_SIP_SMC_STATUS_REJECTED;
705 	}
706 
707 	if (!is_address_in_ddr_range(addr, size)) {
708 		return INTEL_SIP_SMC_STATUS_REJECTED;
709 	}
710 
711 	if (mode == SERVICE_COMPLETED_MODE_ASYNC) {
712 		status = mailbox_read_response_async(job_id,
713 				NULL, (uint32_t *) addr, &resp_len, 0);
714 	} else {
715 		status = mailbox_read_response(job_id,
716 				(uint32_t *) addr, &resp_len);
717 
718 		if (status == MBOX_NO_RESPONSE) {
719 			status = MBOX_BUSY;
720 		}
721 	}
722 
723 	if (status == MBOX_NO_RESPONSE) {
724 		return INTEL_SIP_SMC_STATUS_NO_RESPONSE;
725 	}
726 
727 	if (status == MBOX_BUSY) {
728 		return INTEL_SIP_SMC_STATUS_BUSY;
729 	}
730 
731 	*ret_size = resp_len * MBOX_WORD_BYTE;
732 	flush_dcache_range(addr, *ret_size);
733 
734 	if (status == MBOX_RET_SDOS_DECRYPTION_ERROR_102 ||
735 		status == MBOX_RET_SDOS_DECRYPTION_ERROR_103) {
736 		*mbox_error = -status;
737 	} else if (status != MBOX_RET_OK) {
738 		*mbox_error = -status;
739 		return INTEL_SIP_SMC_STATUS_ERROR;
740 	}
741 
742 	return INTEL_SIP_SMC_STATUS_OK;
743 }
744 
745 /* Miscellaneous HPS services */
746 uint32_t intel_hps_set_bridges(uint64_t enable, uint64_t mask)
747 {
748 	int status = 0;
749 
750 	if ((enable & SOCFPGA_BRIDGE_ENABLE) != 0U) {
751 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
752 			status = socfpga_bridges_enable((uint32_t)mask);
753 		} else {
754 			status = socfpga_bridges_enable(~0);
755 		}
756 	} else {
757 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
758 			status = socfpga_bridges_disable((uint32_t)mask);
759 		} else {
760 			status = socfpga_bridges_disable(~0);
761 		}
762 	}
763 
764 	if (status < 0) {
765 		return INTEL_SIP_SMC_STATUS_ERROR;
766 	}
767 
768 	return INTEL_SIP_SMC_STATUS_OK;
769 }
770 
771 /* SDM SEU Error services */
772 static uint32_t intel_sdm_seu_err_read(uint32_t *respbuf, unsigned int respbuf_sz)
773 {
774 	if (mailbox_seu_err_status(respbuf, respbuf_sz) < 0) {
775 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
776 	}
777 
778 	return INTEL_SIP_SMC_STATUS_OK;
779 }
780 
781 /* SDM SAFE SEU Error inject services */
782 static uint32_t intel_sdm_safe_inject_seu_err(uint32_t *command, uint32_t len)
783 {
784 	if (mailbox_safe_inject_seu_err(command, len) < 0) {
785 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
786 	}
787 
788 	return INTEL_SIP_SMC_STATUS_OK;
789 }
790 
791 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
792 /* SMMU HPS Remapper */
793 void intel_smmu_hps_remapper_init(uint64_t *mem)
794 {
795 	/* Read out Bit 1 value */
796 	uint32_t remap = (mmio_read_32(SOCFPGA_SYSMGR(BOOT_SCRATCH_POR_1)) & 0x02);
797 
798 	if ((remap == 0x00) && (g_remapper_bypass == 0x00)) {
799 		/* Update DRAM Base address for SDM SMMU */
800 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), DRAM_BASE);
801 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), DRAM_BASE);
802 		*mem = *mem - DRAM_BASE;
803 	} else {
804 		*mem = *mem - DRAM_BASE;
805 	}
806 }
807 
808 int intel_smmu_hps_remapper_config(uint32_t remapper_bypass)
809 {
810 	/* Read out the JTAG-ID from boot scratch register */
811 	if (is_agilex5_A5C0() || is_agilex5_A5C4()) {
812 		if (remapper_bypass == 0x01) {
813 			g_remapper_bypass = remapper_bypass;
814 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), 0);
815 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), 0);
816 		}
817 	}
818 	return INTEL_SIP_SMC_STATUS_OK;
819 }
820 
821 static void intel_inject_io96b_ecc_err(const uint32_t *syndrome, const uint32_t command)
822 {
823 	volatile uint64_t atf_ddr_buffer;
824 	volatile uint64_t val;
825 
826 	mmio_write_32(IOSSM_CMD_PARAM, *syndrome);
827 	mmio_write_32(IOSSM_CMD_TRIG_OP, command);
828 	udelay(IOSSM_ECC_ERR_INJ_DELAY_USECS);
829 	atf_ddr_buffer = 0xCAFEBABEFEEDFACE;	/* Write data */
830 	memcpy_s((void *)&val, sizeof(val),
831 		 (void *)&atf_ddr_buffer, sizeof(atf_ddr_buffer));
832 
833 	/* Clear response_ready BIT0 of status_register before sending next command. */
834 	mmio_clrbits_32(IOSSM_CMD_RESP_STATUS, IOSSM_CMD_STATUS_RESP_READY);
835 }
836 #endif
837 
838 #if SIP_SVC_V3
839 uint8_t sip_smc_cmd_cb_ret2(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
840 {
841 	uint8_t ret_args_len = 0U;
842 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
843 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
844 
845 	(void)cmd;
846 	/* Returns 3 SMC arguments for SMC_RET3 */
847 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
848 	ret_args[ret_args_len++] = resp->err_code;
849 
850 	return ret_args_len;
851 }
852 
853 uint8_t sip_smc_cmd_cb_ret3(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
854 {
855 	uint8_t ret_args_len = 0U;
856 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
857 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
858 
859 	(void)cmd;
860 	/* Returns 3 SMC arguments for SMC_RET3 */
861 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
862 	ret_args[ret_args_len++] = resp->err_code;
863 	ret_args[ret_args_len++] = resp->resp_data[0];
864 
865 	return ret_args_len;
866 }
867 
868 uint8_t sip_smc_ret_nbytes_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
869 {
870 	uint8_t ret_args_len = 0U;
871 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
872 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
873 
874 	INFO("MBOX: %s: mailbox_err 0%x, nbytes_ret %d\n",
875 		__func__, resp->err_code, resp->rcvd_resp_len * MBOX_WORD_BYTE);
876 
877 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
878 	ret_args[ret_args_len++] = resp->err_code;
879 	ret_args[ret_args_len++] = resp->rcvd_resp_len * MBOX_WORD_BYTE;
880 
881 	/* Flush the response data buffer. */
882 	flush_dcache_range((uintptr_t)cmd->cb_args, resp->rcvd_resp_len * MBOX_WORD_BYTE);
883 
884 	return ret_args_len;
885 }
886 
887 uint8_t sip_smc_get_chipid_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
888 {
889 	uint8_t ret_args_len = 0U;
890 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
891 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
892 
893 	(void)cmd;
894 	INFO("MBOX: %s: mailbox_err 0%x, data[0] 0x%x, data[1] 0x%x\n",
895 		__func__, resp->err_code, resp->resp_data[0], resp->resp_data[1]);
896 
897 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
898 	ret_args[ret_args_len++] = resp->err_code;
899 	ret_args[ret_args_len++] = resp->resp_data[0];
900 	ret_args[ret_args_len++] = resp->resp_data[1];
901 
902 	return ret_args_len;
903 }
904 
905 uint8_t sip_smc_cmd_cb_rsu_status(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
906 {
907 	uint8_t ret_args_len = 0U;
908 	uint32_t retry_counter = ~0U;
909 	uint32_t failure_source = 0U;
910 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
911 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
912 
913 	(void)cmd;
914 	/* Get the failure source and current image retry counter value from the response. */
915 	failure_source = resp->resp_data[5] & RSU_VERSION_ACMF_MASK;
916 	retry_counter = resp->resp_data[8];
917 
918 	if ((retry_counter != ~0U) && (failure_source == 0U))
919 		resp->resp_data[5] |= RSU_VERSION_ACMF;
920 
921 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
922 	ret_args[ret_args_len++] = resp->err_code;
923 	/* Current CMF */
924 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[1], resp->resp_data[0]);
925 	/* Last Failing CMF Address */
926 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[3], resp->resp_data[2]);
927 	/* Config State */
928 	ret_args[ret_args_len++] = resp->resp_data[4];
929 	/* Version */
930 	ret_args[ret_args_len++] = resp->resp_data[5];
931 	/* Failure Source */
932 	ret_args[ret_args_len++] = ((GENMASK(32, 17) & resp->resp_data[5]) >> 16);
933 	/* Error location */
934 	ret_args[ret_args_len++] = resp->resp_data[6];
935 	/* Error details */
936 	ret_args[ret_args_len++] = resp->resp_data[7];
937 	/* Current image retry counter */
938 	ret_args[ret_args_len++] = resp->resp_data[8];
939 
940 	return ret_args_len;
941 }
942 
943 uint8_t sip_smc_cmd_cb_rsu_spt(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
944 {
945 	uint8_t ret_args_len = 0U;
946 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
947 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
948 
949 	(void)cmd;
950 
951 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
952 	ret_args[ret_args_len++] = resp->err_code;
953 	/* Sub Partition Table (SPT) 0 address */
954 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[0], resp->resp_data[1]);
955 	/* Sub Partition Table (SPT) 1 address */
956 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[2], resp->resp_data[3]);
957 
958 	return ret_args_len;
959 }
960 
961 static uintptr_t smc_ret(void *handle, uint64_t *ret_args, uint32_t ret_args_len)
962 {
963 
964 	switch (ret_args_len) {
965 	case SMC_RET_ARGS_ONE:
966 		VERBOSE("SVC V3: %s: x0 0x%lx\n", __func__, ret_args[0]);
967 		SMC_RET1(handle, ret_args[0]);
968 		break;
969 
970 	case SMC_RET_ARGS_TWO:
971 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx\n", __func__, ret_args[0], ret_args[1]);
972 		SMC_RET2(handle, ret_args[0], ret_args[1]);
973 		break;
974 
975 	case SMC_RET_ARGS_THREE:
976 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx\n",
977 			__func__, ret_args[0],	ret_args[1], ret_args[2]);
978 		SMC_RET3(handle, ret_args[0], ret_args[1], ret_args[2]);
979 		break;
980 
981 	case SMC_RET_ARGS_FOUR:
982 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
983 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
984 		SMC_RET4(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
985 		break;
986 
987 	case SMC_RET_ARGS_FIVE:
988 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx\n",
989 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
990 		SMC_RET5(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
991 		break;
992 
993 	case SMC_RET_ARGS_SIX:
994 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx x3 0x%lx, x4 0x%lx x5 0x%lx\n",
995 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
996 			ret_args[5]);
997 		SMC_RET6(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
998 			 ret_args[5]);
999 		break;
1000 
1001 	case SMC_RET_ARGS_SEVEN:
1002 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
1003 			"x6 0x%lx\n",
1004 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1005 			ret_args[5], ret_args[6]);
1006 		SMC_RET7(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1007 			 ret_args[5], ret_args[6]);
1008 		break;
1009 
1010 	case SMC_RET_ARGS_EIGHT:
1011 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
1012 			"x6 0x%lx, x7 0x%lx\n",
1013 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1014 			ret_args[5], ret_args[6], ret_args[7]);
1015 		SMC_RET8(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1016 			 ret_args[5], ret_args[6], ret_args[7]);
1017 		break;
1018 
1019 	case SMC_RET_ARGS_NINE:
1020 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
1021 			"x6 0x%lx, x7 0x%lx, x8 0x%lx\n",
1022 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1023 			ret_args[5], ret_args[6], ret_args[7], ret_args[8]);
1024 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1025 			 ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1026 			 0, 0, 0, 0, 0, 0, 0, 0, 0);
1027 		break;
1028 
1029 	case SMC_RET_ARGS_TEN:
1030 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
1031 			"x6 0x%lx, x7 0x%lx x8 0x%lx, x9 0x%lx, x10 0x%lx\n",
1032 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3],
1033 			ret_args[4], ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1034 			ret_args[9], ret_args[10]);
1035 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1036 			  ret_args[5], ret_args[6], ret_args[7], ret_args[8], ret_args[9],
1037 			  0, 0, 0, 0, 0, 0, 0, 0);
1038 		break;
1039 
1040 	default:
1041 		VERBOSE("SVC V3: %s ret_args_len is wrong, please check %d\n ",
1042 			__func__, ret_args_len);
1043 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
1044 		break;
1045 	}
1046 }
1047 
1048 static inline bool is_gen_mbox_cmd_allowed(uint32_t cmd)
1049 {
1050 	/* Check if the command is allowed to be executed in generic mbox format */
1051 	bool is_cmd_allowed = false;
1052 
1053 	switch (cmd) {
1054 	case MBOX_FCS_OPEN_CS_SESSION:
1055 	case MBOX_FCS_CLOSE_CS_SESSION:
1056 	case MBOX_FCS_IMPORT_CS_KEY:
1057 	case MBOX_FCS_EXPORT_CS_KEY:
1058 	case MBOX_FCS_REMOVE_CS_KEY:
1059 	case MBOX_FCS_GET_CS_KEY_INFO:
1060 	case MBOX_FCS_CREATE_CS_KEY:
1061 	case MBOX_FCS_GET_DIGEST_REQ:
1062 	case MBOX_FCS_MAC_VERIFY_REQ:
1063 	case MBOX_FCS_ECDSA_HASH_SIGN_REQ:
1064 	case MBOX_FCS_GET_PROVISION:
1065 	case MBOX_FCS_CNTR_SET_PREAUTH:
1066 	case MBOX_FCS_ENCRYPT_REQ:
1067 	case MBOX_FCS_DECRYPT_REQ:
1068 	case MBOX_FCS_RANDOM_GEN:
1069 	case MBOX_FCS_AES_CRYPT_REQ:
1070 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ:
1071 	case MBOX_FCS_ECDSA_HASH_SIG_VERIFY:
1072 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY:
1073 	case MBOX_FCS_ECDSA_GET_PUBKEY:
1074 	case MBOX_FCS_ECDH_REQUEST:
1075 	case MBOX_FCS_HKDF_REQUEST:
1076 		/* These mailbox commands are not supported in the generic mailbox format. */
1077 		break;
1078 
1079 	default:
1080 		is_cmd_allowed = true;
1081 		break;
1082 	} /* switch */
1083 
1084 	return is_cmd_allowed;
1085 }
1086 
1087 /*
1088  * This function is responsible for handling all SiP SVC V3 calls from the
1089  * non-secure world.
1090  */
1091 static uintptr_t sip_smc_handler_v3(uint32_t smc_fid,
1092 				    u_register_t x1,
1093 				    u_register_t x2,
1094 				    u_register_t x3,
1095 				    u_register_t x4,
1096 				    void *cookie,
1097 				    void *handle,
1098 				    u_register_t flags)
1099 {
1100 	int status = 0;
1101 	uint32_t mbox_error = 0U;
1102 	u_register_t x5, x6, x7, x8, x9, x10, x11;
1103 
1104 	/* Get all the SMC call arguments */
1105 	x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
1106 	x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
1107 	x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
1108 	x8 = SMC_GET_GP(handle, CTX_GPREG_X8);
1109 	x9 = SMC_GET_GP(handle, CTX_GPREG_X9);
1110 	x10 = SMC_GET_GP(handle, CTX_GPREG_X10);
1111 	x11 = SMC_GET_GP(handle, CTX_GPREG_X11);
1112 
1113 	INFO("MBOX: SVC_V3: x0 0x%x, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\n",
1114 		smc_fid, x1, x2, x3, x4, x5);
1115 	INFO("MBOX: SVC_V3: x6 0x%lx, x7 0x%lx, x8 0x%lx, x9 0x%lx, x10 0x%lx x11 0x%lx\n",
1116 		x6, x7, x8, x9, x10, x11);
1117 
1118 	switch (smc_fid) {
1119 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL:
1120 	{
1121 		uint64_t ret_args[16] = {0};
1122 		uint32_t ret_args_len = 0;
1123 
1124 		status = mailbox_response_poll_v3(GET_CLIENT_ID(x1),
1125 						  GET_JOB_ID(x1),
1126 						  ret_args,
1127 						  &ret_args_len);
1128 		/* Always reserve [0] index for command status. */
1129 		ret_args[0] = status;
1130 
1131 		/* Return SMC call based on the number of return arguments */
1132 		return smc_ret(handle, ret_args, ret_args_len);
1133 	}
1134 
1135 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL_ON_INTR:
1136 	{
1137 		/* TBD: Here now we don't need these CID and JID?? */
1138 		uint8_t client_id = 0U;
1139 		uint8_t job_id = 0U;
1140 		uint64_t trans_id_bitmap[4] = {0U};
1141 
1142 		status = mailbox_response_poll_on_intr_v3(&client_id,
1143 							  &job_id,
1144 							  trans_id_bitmap);
1145 
1146 		SMC_RET5(handle, status, trans_id_bitmap[0], trans_id_bitmap[1],
1147 			 trans_id_bitmap[2], trans_id_bitmap[3]);
1148 		break;
1149 	}
1150 
1151 	case ALTERA_SIP_SMC_ASYNC_GET_DEVICE_IDENTITY:
1152 	{
1153 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1154 						   GET_JOB_ID(x1),
1155 						   MBOX_CMD_GET_DEVICEID,
1156 						   NULL,
1157 						   0U,
1158 						   MBOX_CMD_FLAG_CASUAL,
1159 						   sip_smc_ret_nbytes_cb,
1160 						   (uint32_t *)x2,
1161 						   2);
1162 
1163 		SMC_RET1(handle, status);
1164 	}
1165 
1166 	case ALTERA_SIP_SMC_ASYNC_GET_IDCODE:
1167 	{
1168 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1169 						   GET_JOB_ID(x1),
1170 						   MBOX_CMD_GET_IDCODE,
1171 						   NULL,
1172 						   0U,
1173 						   MBOX_CMD_FLAG_CASUAL,
1174 						   sip_smc_cmd_cb_ret3,
1175 						   NULL,
1176 						   0);
1177 
1178 		SMC_RET1(handle, status);
1179 	}
1180 
1181 	case ALTERA_SIP_SMC_ASYNC_QSPI_OPEN:
1182 	{
1183 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1184 						   GET_JOB_ID(x1),
1185 						   MBOX_CMD_QSPI_OPEN,
1186 						   NULL,
1187 						   0U,
1188 						   MBOX_CMD_FLAG_CASUAL,
1189 						   sip_smc_cmd_cb_ret2,
1190 						   NULL,
1191 						   0U);
1192 
1193 		SMC_RET1(handle, status);
1194 	}
1195 
1196 	case ALTERA_SIP_SMC_ASYNC_QSPI_CLOSE:
1197 	{
1198 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1199 						   GET_JOB_ID(x1),
1200 						   MBOX_CMD_QSPI_CLOSE,
1201 						   NULL,
1202 						   0U,
1203 						   MBOX_CMD_FLAG_CASUAL,
1204 						   sip_smc_cmd_cb_ret2,
1205 						   NULL,
1206 						   0U);
1207 
1208 		SMC_RET1(handle, status);
1209 	}
1210 
1211 	case ALTERA_SIP_SMC_ASYNC_QSPI_SET_CS:
1212 	{
1213 		uint32_t cmd_data = 0U;
1214 		uint32_t chip_sel = (uint32_t)x2;
1215 		uint32_t comb_addr_mode = (uint32_t)x3;
1216 		uint32_t ext_dec_mode = (uint32_t)x4;
1217 
1218 		cmd_data = (chip_sel << MBOX_QSPI_SET_CS_OFFSET) |
1219 			   (comb_addr_mode << MBOX_QSPI_SET_CS_CA_OFFSET) |
1220 			   (ext_dec_mode << MBOX_QSPI_SET_CS_MODE_OFFSET);
1221 
1222 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1223 						   GET_JOB_ID(x1),
1224 						   MBOX_CMD_QSPI_SET_CS,
1225 						   &cmd_data,
1226 						   1U,
1227 						   MBOX_CMD_FLAG_CASUAL,
1228 						   sip_smc_cmd_cb_ret2,
1229 						   NULL,
1230 						   0U);
1231 
1232 		SMC_RET1(handle, status);
1233 	}
1234 
1235 	case ALTERA_SIP_SMC_ASYNC_QSPI_ERASE:
1236 	{
1237 		uint32_t qspi_addr = (uint32_t)x2;
1238 		uint32_t qspi_nwords = (uint32_t)x3;
1239 
1240 		/* QSPI address offset to start erase, must be 4K aligned */
1241 		if (MBOX_IS_4K_ALIGNED(qspi_addr)) {
1242 			ERROR("MBOX: 0x%x: QSPI address not 4K aligned\n",
1243 				smc_fid);
1244 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1245 			SMC_RET1(handle, status);
1246 		}
1247 
1248 		/* Number of words to erase, multiples of 0x400 or 4K */
1249 		if (qspi_nwords % MBOX_QSPI_ERASE_SIZE_GRAN) {
1250 			ERROR("MBOX: 0x%x: Given words not in multiples of 4K\n",
1251 				smc_fid);
1252 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1253 			SMC_RET1(handle, status);
1254 		}
1255 
1256 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1257 
1258 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1259 						   GET_JOB_ID(x1),
1260 						   MBOX_CMD_QSPI_ERASE,
1261 						   cmd_data,
1262 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1263 						   MBOX_CMD_FLAG_CASUAL,
1264 						   sip_smc_cmd_cb_ret2,
1265 						   NULL,
1266 						   0U);
1267 
1268 		SMC_RET1(handle, status);
1269 	}
1270 
1271 	case ALTERA_SIP_SMC_ASYNC_QSPI_WRITE:
1272 	{
1273 		uint32_t *qspi_payload = (uint32_t *)x2;
1274 		uint32_t qspi_total_nwords = (((uint32_t)x3) / MBOX_WORD_BYTE);
1275 		uint32_t qspi_addr = qspi_payload[0];
1276 		uint32_t qspi_nwords = qspi_payload[1];
1277 
1278 		if (!MBOX_IS_WORD_ALIGNED(qspi_addr)) {
1279 			ERROR("MBOX: 0x%x: Given address is not WORD aligned\n",
1280 				smc_fid);
1281 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1282 			SMC_RET1(handle, status);
1283 		}
1284 
1285 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1286 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1287 				smc_fid);
1288 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1289 			SMC_RET1(handle, status);
1290 		}
1291 
1292 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1293 						   GET_JOB_ID(x1),
1294 						   MBOX_CMD_QSPI_WRITE,
1295 						   qspi_payload,
1296 						   qspi_total_nwords,
1297 						   MBOX_CMD_FLAG_CASUAL,
1298 						   sip_smc_cmd_cb_ret2,
1299 						   NULL,
1300 						   0U);
1301 
1302 		SMC_RET1(handle, status);
1303 	}
1304 
1305 	case ALTERA_SIP_SMC_ASYNC_QSPI_READ:
1306 	{
1307 		uint32_t qspi_addr = (uint32_t)x2;
1308 		uint32_t qspi_nwords = (((uint32_t)x4) / MBOX_WORD_BYTE);
1309 
1310 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1311 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1312 				smc_fid);
1313 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1314 			SMC_RET1(handle, status);
1315 		}
1316 
1317 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1318 
1319 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1320 						   GET_JOB_ID(x1),
1321 						   MBOX_CMD_QSPI_READ,
1322 						   cmd_data,
1323 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1324 						   MBOX_CMD_FLAG_CASUAL,
1325 						   sip_smc_ret_nbytes_cb,
1326 						   (uint32_t *)x3,
1327 						   2);
1328 
1329 		SMC_RET1(handle, status);
1330 	}
1331 
1332 	case ALTERA_SIP_SMC_ASYNC_QSPI_GET_DEV_INFO:
1333 	{
1334 		uint32_t *dst_addr = (uint32_t *)x2;
1335 
1336 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1337 						   GET_JOB_ID(x1),
1338 						   MBOX_CMD_QSPI_GET_DEV_INFO,
1339 						   NULL,
1340 						   0U,
1341 						   MBOX_CMD_FLAG_CASUAL,
1342 						   sip_smc_ret_nbytes_cb,
1343 						   (uint32_t *)dst_addr,
1344 						   2);
1345 
1346 		SMC_RET1(handle, status);
1347 	}
1348 
1349 	case ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT:
1350 	case ALTERA_SIP_SMC_ASYNC_HWMON_READTEMP:
1351 	{
1352 		uint32_t channel = (uint32_t)x2;
1353 		uint32_t mbox_cmd = ((smc_fid == ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT) ?
1354 					MBOX_HWMON_READVOLT : MBOX_HWMON_READTEMP);
1355 
1356 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1357 						   GET_JOB_ID(x1),
1358 						   mbox_cmd,
1359 						   &channel,
1360 						   1U,
1361 						   MBOX_CMD_FLAG_CASUAL,
1362 						   sip_smc_cmd_cb_ret3,
1363 						   NULL,
1364 						   0);
1365 
1366 		SMC_RET1(handle, status);
1367 	}
1368 
1369 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_SPT:
1370 	{
1371 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1372 						   GET_JOB_ID(x1),
1373 						   MBOX_GET_SUBPARTITION_TABLE,
1374 						   NULL,
1375 						   0,
1376 						   MBOX_CMD_FLAG_CASUAL,
1377 						   sip_smc_cmd_cb_rsu_spt,
1378 						   NULL,
1379 						   0);
1380 
1381 		SMC_RET1(handle, status);
1382 	}
1383 
1384 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_STATUS:
1385 	{
1386 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1387 						   GET_JOB_ID(x1),
1388 						   MBOX_RSU_STATUS,
1389 						   NULL,
1390 						   0,
1391 						   MBOX_CMD_FLAG_CASUAL,
1392 						   sip_smc_cmd_cb_rsu_status,
1393 						   NULL,
1394 						   0);
1395 
1396 		SMC_RET1(handle, status);
1397 	}
1398 
1399 	case ALTERA_SIP_SMC_ASYNC_RSU_NOTIFY:
1400 	{
1401 		uint32_t notify_code = (uint32_t)x2;
1402 
1403 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1404 						   GET_JOB_ID(x1),
1405 						   MBOX_HPS_STAGE_NOTIFY,
1406 						   &notify_code,
1407 						   1U,
1408 						   MBOX_CMD_FLAG_CASUAL,
1409 						   sip_smc_cmd_cb_ret2,
1410 						   NULL,
1411 						   0);
1412 
1413 		SMC_RET1(handle, status);
1414 	}
1415 
1416 	case ALTERA_SIP_SMC_ASYNC_GEN_MBOX_CMD:
1417 	{
1418 		/* Collect all the args passed in, and send the mailbox command. */
1419 		uint32_t mbox_cmd = (uint32_t)x2;
1420 		uint32_t *cmd_payload_addr = NULL;
1421 		uint32_t cmd_payload_len = (uint32_t)x4 / MBOX_WORD_BYTE;
1422 		uint32_t *resp_payload_addr = NULL;
1423 		uint32_t resp_payload_len = (uint32_t)x6 / MBOX_WORD_BYTE;
1424 
1425 		/* Filter the required commands here. */
1426 		if (!is_gen_mbox_cmd_allowed(mbox_cmd)) {
1427 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1428 			SMC_RET1(handle, status);
1429 		}
1430 
1431 		if ((cmd_payload_len > MBOX_GEN_CMD_MAX_WORDS) ||
1432 		    (resp_payload_len > MBOX_GEN_CMD_MAX_WORDS)) {
1433 			ERROR("MBOX: 0x%x: Command/Response payload length exceeds max limit\n",
1434 				smc_fid);
1435 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1436 			SMC_RET1(handle, status);
1437 		}
1438 
1439 		/* Make sure we have valid command payload length and buffer */
1440 		if (cmd_payload_len != 0U) {
1441 			cmd_payload_addr = (uint32_t *)x3;
1442 			if (cmd_payload_addr == NULL) {
1443 				ERROR("MBOX: 0x%x: Command payload address is NULL\n",
1444 					smc_fid);
1445 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1446 				SMC_RET1(handle, status);
1447 			}
1448 		}
1449 
1450 		/* Make sure we have valid response payload length and buffer */
1451 		if (resp_payload_len != 0U) {
1452 			resp_payload_addr = (uint32_t *)x5;
1453 			if (resp_payload_addr == NULL) {
1454 				ERROR("MBOX: 0x%x: Response payload address is NULL\n",
1455 					smc_fid);
1456 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1457 				SMC_RET1(handle, status);
1458 			}
1459 		}
1460 
1461 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1462 						   GET_JOB_ID(x1),
1463 						   mbox_cmd,
1464 						   (uint32_t *)cmd_payload_addr,
1465 						   cmd_payload_len,
1466 						   MBOX_CMD_FLAG_CASUAL,
1467 						   sip_smc_ret_nbytes_cb,
1468 						   (uint32_t *)resp_payload_addr,
1469 						   resp_payload_len);
1470 
1471 		SMC_RET1(handle, status);
1472 	}
1473 
1474 	case ALTERA_SIP_SMC_ASYNC_FCS_RANDOM_NUMBER_EXT:
1475 	{
1476 		uint32_t session_id = (uint32_t)x2;
1477 		uint32_t context_id = (uint32_t)x3;
1478 		uint64_t ret_random_addr = (uint64_t)x4;
1479 		uint32_t random_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1480 		uint32_t crypto_header = 0U;
1481 
1482 		if ((random_len > (FCS_RANDOM_EXT_MAX_WORD_SIZE * MBOX_WORD_BYTE)) ||
1483 		    (random_len == 0U) ||
1484 		    (!is_size_4_bytes_aligned(random_len))) {
1485 			ERROR("MBOX: 0x%x is rejected\n", smc_fid);
1486 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1487 			SMC_RET1(handle, status);
1488 		}
1489 
1490 		crypto_header = ((FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_FINALIZE) <<
1491 				  FCS_CS_FIELD_FLAG_OFFSET);
1492 		fcs_rng_payload payload = {session_id, context_id,
1493 					   crypto_header, random_len};
1494 
1495 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1496 						   GET_JOB_ID(x1),
1497 						   MBOX_FCS_RANDOM_GEN,
1498 						   (uint32_t *)&payload,
1499 						   sizeof(payload) / MBOX_WORD_BYTE,
1500 						   MBOX_CMD_FLAG_CASUAL,
1501 						   sip_smc_ret_nbytes_cb,
1502 						   (uint32_t *)ret_random_addr,
1503 						   2);
1504 		SMC_RET1(handle, status);
1505 	}
1506 
1507 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_PROVISION_DATA:
1508 	{
1509 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1510 						   GET_JOB_ID(x1),
1511 						   MBOX_FCS_GET_PROVISION,
1512 						   NULL,
1513 						   0U,
1514 						   MBOX_CMD_FLAG_CASUAL,
1515 						   sip_smc_ret_nbytes_cb,
1516 						   (uint32_t *)x2,
1517 						   2);
1518 		SMC_RET1(handle, status);
1519 	}
1520 
1521 	case ALTERA_SIP_SMC_ASYNC_FCS_CNTR_SET_PREAUTH:
1522 	{
1523 		status = intel_fcs_cntr_set_preauth(smc_fid, x1, x2, x3,
1524 					x4, &mbox_error);
1525 		SMC_RET1(handle, status);
1526 	}
1527 
1528 	case ALTERA_SIP_SMC_ASYNC_FCS_CHIP_ID:
1529 	{
1530 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1531 						   GET_JOB_ID(x1),
1532 						   MBOX_CMD_GET_CHIPID,
1533 						   NULL,
1534 						   0U,
1535 						   MBOX_CMD_FLAG_CASUAL,
1536 						   sip_smc_get_chipid_cb,
1537 						   NULL,
1538 						   0);
1539 		SMC_RET1(handle, status);
1540 	}
1541 
1542 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_ATTESTATION_CERT:
1543 	{
1544 		status = intel_fcs_get_attestation_cert(smc_fid, x1, x2, x3,
1545 					(uint32_t *) &x4, &mbox_error);
1546 		SMC_RET1(handle, status);
1547 	}
1548 
1549 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CERT_ON_RELOAD:
1550 	{
1551 		status = intel_fcs_create_cert_on_reload(smc_fid, x1,
1552 					x2, &mbox_error);
1553 		SMC_RET1(handle, status);
1554 	}
1555 
1556 	case ALTERA_SIP_SMC_ASYNC_FCS_CRYPTION_EXT:
1557 	{
1558 		if (x4 == FCS_MODE_ENCRYPT) {
1559 			status = intel_fcs_encryption_ext(smc_fid, x1, x2, x3,
1560 					x5, x6, x7, (uint32_t *) &x8,
1561 					&mbox_error, x10, x11);
1562 		} else if (x4 == FCS_MODE_DECRYPT) {
1563 			status = intel_fcs_decryption_ext(smc_fid, x1, x2, x3,
1564 					x5, x6, x7, (uint32_t *) &x8,
1565 					&mbox_error, x9, x10, x11);
1566 		} else {
1567 			ERROR("MBOX: 0x%x: Wrong crypto mode\n", smc_fid);
1568 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1569 		}
1570 		SMC_RET1(handle, status);
1571 	}
1572 
1573 	case ALTERA_SIP_SMC_ASYNC_FCS_SEND_CERTIFICATE:
1574 	{
1575 		status = intel_fcs_send_cert(smc_fid, x1, x2, x3, &mbox_error);
1576 		SMC_RET1(handle, status);
1577 	}
1578 
1579 	case ALTERA_SIP_SMC_ASYNC_FCS_OPEN_CS_SESSION:
1580 	{
1581 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1582 						   GET_JOB_ID(x1),
1583 						   MBOX_FCS_OPEN_CS_SESSION,
1584 						   NULL,
1585 						   0U,
1586 						   MBOX_CMD_FLAG_CASUAL,
1587 						   sip_smc_cmd_cb_ret3,
1588 						   NULL,
1589 						   0);
1590 		SMC_RET1(handle, status);
1591 	}
1592 
1593 	case ALTERA_SIP_SMC_ASYNC_FCS_CLOSE_CS_SESSION:
1594 	{
1595 		uint32_t session_id = (uint32_t)x2;
1596 
1597 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1598 						   GET_JOB_ID(x1),
1599 						   MBOX_FCS_CLOSE_CS_SESSION,
1600 						   &session_id,
1601 						   1U,
1602 						   MBOX_CMD_FLAG_CASUAL,
1603 						   sip_smc_cmd_cb_ret2,
1604 						   NULL,
1605 						   0);
1606 		SMC_RET1(handle, status);
1607 	}
1608 
1609 	case ALTERA_SIP_SMC_ASYNC_FCS_IMPORT_CS_KEY:
1610 	{
1611 		uint64_t key_addr = x2;
1612 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1613 
1614 		if ((key_len_words > FCS_CS_KEY_OBJ_MAX_WORD_SIZE) ||
1615 		    (!is_address_in_ddr_range(key_addr, key_len_words * 4))) {
1616 			ERROR("MBOX: 0x%x: Addr not in DDR range or key len exceeds\n",
1617 				smc_fid);
1618 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1619 			SMC_RET1(handle, status);
1620 		}
1621 
1622 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1623 						   GET_JOB_ID(x1),
1624 						   MBOX_FCS_IMPORT_CS_KEY,
1625 						   (uint32_t *)key_addr,
1626 						   key_len_words,
1627 						   MBOX_CMD_FLAG_CASUAL,
1628 						   sip_smc_cmd_cb_ret3,
1629 						   NULL,
1630 						   0);
1631 		SMC_RET1(handle, status);
1632 	}
1633 
1634 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CS_KEY:
1635 	{
1636 		uint64_t key_addr = x2;
1637 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1638 
1639 		if (!is_address_in_ddr_range(key_addr, key_len_words * 4)) {
1640 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1641 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1642 			SMC_RET1(handle, status);
1643 		}
1644 
1645 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1646 						   GET_JOB_ID(x1),
1647 						   MBOX_FCS_CREATE_CS_KEY,
1648 						   (uint32_t *)key_addr,
1649 						   key_len_words,
1650 						   MBOX_CMD_FLAG_CASUAL,
1651 						   sip_smc_cmd_cb_ret3,
1652 						   NULL,
1653 						   0);
1654 		SMC_RET1(handle, status);
1655 	}
1656 
1657 	case ALTERA_SIP_SMC_ASYNC_FCS_EXPORT_CS_KEY:
1658 	{
1659 		uint32_t session_id = (uint32_t)x2;
1660 		uint32_t key_uid = (uint32_t)x3;
1661 		uint64_t ret_key_addr = (uint64_t)x4;
1662 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1663 
1664 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1665 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1666 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1667 			SMC_RET1(handle, status);
1668 		}
1669 
1670 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1671 					      RESERVED_AS_ZERO, key_uid};
1672 
1673 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1674 						   GET_JOB_ID(x1),
1675 						   MBOX_FCS_EXPORT_CS_KEY,
1676 						   (uint32_t *)&payload,
1677 						   sizeof(payload) / MBOX_WORD_BYTE,
1678 						   MBOX_CMD_FLAG_CASUAL,
1679 						   sip_smc_ret_nbytes_cb,
1680 						   (uint32_t *)ret_key_addr,
1681 						   2);
1682 		SMC_RET1(handle, status);
1683 	}
1684 
1685 	case ALTERA_SIP_SMC_ASYNC_FCS_REMOVE_CS_KEY:
1686 	{
1687 		uint32_t session_id = (uint32_t)x2;
1688 		uint32_t key_uid = (uint32_t)x3;
1689 
1690 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1691 					      RESERVED_AS_ZERO, key_uid};
1692 
1693 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1694 						   GET_JOB_ID(x1),
1695 						   MBOX_FCS_REMOVE_CS_KEY,
1696 						   (uint32_t *)&payload,
1697 						   sizeof(payload) / MBOX_WORD_BYTE,
1698 						   MBOX_CMD_FLAG_CASUAL,
1699 						   sip_smc_cmd_cb_ret3,
1700 						   NULL,
1701 						   0);
1702 		SMC_RET1(handle, status);
1703 	}
1704 
1705 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_CS_KEY_INFO:
1706 	{
1707 		uint32_t session_id = (uint32_t)x2;
1708 		uint32_t key_uid = (uint32_t)x3;
1709 		uint64_t ret_key_addr = (uint64_t)x4;
1710 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1711 
1712 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1713 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1714 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1715 			SMC_RET1(handle, status);
1716 		}
1717 
1718 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1719 					      RESERVED_AS_ZERO, key_uid};
1720 
1721 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1722 						   GET_JOB_ID(x1),
1723 						   MBOX_FCS_GET_CS_KEY_INFO,
1724 						   (uint32_t *)&payload,
1725 						   sizeof(payload) / MBOX_WORD_BYTE,
1726 						   MBOX_CMD_FLAG_CASUAL,
1727 						   sip_smc_ret_nbytes_cb,
1728 						   (uint32_t *)ret_key_addr,
1729 						   2);
1730 		SMC_RET1(handle, status);
1731 	}
1732 
1733 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_INIT:
1734 	{
1735 		status = intel_fcs_aes_crypt_init(x2, x3, x4, x5,
1736 					x6, &mbox_error);
1737 		SMC_RET1(handle, status);
1738 	}
1739 
1740 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_UPDATE:
1741 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE:
1742 	{
1743 		uint32_t job_id = 0U;
1744 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE) ?
1745 				true : false;
1746 
1747 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, x1, x2,
1748 					x3, x4, x5, x6, x7, x8, is_final,
1749 					&job_id, x9, x10);
1750 		SMC_RET1(handle, status);
1751 	}
1752 
1753 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_INIT:
1754 	{
1755 		status = intel_fcs_get_digest_init(x2, x3, x4, x5, x6,
1756 					&mbox_error);
1757 		SMC_RET1(handle, status);
1758 	}
1759 
1760 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_UPDATE:
1761 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE:
1762 	{
1763 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE) ?
1764 				true : false;
1765 
1766 		status = intel_fcs_get_digest_update_finalize(smc_fid, x1, x2,
1767 					x3, x4, x5, x6, (uint32_t *) &x7,
1768 					is_final, &mbox_error, x8);
1769 
1770 		SMC_RET1(handle, status);
1771 	}
1772 
1773 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_INIT:
1774 	{
1775 		status = intel_fcs_mac_verify_init(x2, x3, x4, x5, x6,
1776 					&mbox_error);
1777 		SMC_RET1(handle, status);
1778 	}
1779 
1780 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_UPDATE:
1781 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE:
1782 	{
1783 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE) ?
1784 				true : false;
1785 
1786 		status = intel_fcs_mac_verify_update_finalize(smc_fid, x1, x2,
1787 					x3, x4, x5, x6, (uint32_t *) &x7, x8,
1788 					is_final, &mbox_error, x9);
1789 		SMC_RET1(handle, status);
1790 	}
1791 
1792 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_INIT:
1793 	{
1794 		status = intel_fcs_ecdsa_hash_sign_init(x2, x3, x4, x5, x6,
1795 					&mbox_error);
1796 		SMC_RET1(handle, status);
1797 	}
1798 
1799 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_FINALIZE:
1800 	{
1801 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, x1, x2, x3,
1802 					x4, x5, x6, (uint32_t *) &x7,
1803 					&mbox_error);
1804 		SMC_RET1(handle, status);
1805 	}
1806 
1807 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
1808 	{
1809 		status = intel_fcs_ecdsa_sha2_data_sign_init(x2, x3, x4, x5, x6,
1810 					&mbox_error);
1811 		SMC_RET1(handle, status);
1812 	}
1813 
1814 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
1815 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
1816 	{
1817 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE)
1818 				? true : false;
1819 
1820 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
1821 					x1, x2, x3, x4, x5, x6, (uint32_t *) &x7,
1822 					is_final, &mbox_error, x8);
1823 		SMC_RET1(handle, status);
1824 	}
1825 
1826 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
1827 	{
1828 		status = intel_fcs_ecdsa_hash_sig_verify_init(x2, x3, x4, x5,
1829 					x6, &mbox_error);
1830 		SMC_RET1(handle, status);
1831 	}
1832 
1833 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
1834 	{
1835 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, x1,
1836 					x2, x3, x4, x5, x6, (uint32_t *) &x7,
1837 					&mbox_error);
1838 		SMC_RET1(handle, status);
1839 	}
1840 
1841 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
1842 	{
1843 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x2, x3, x4,
1844 					x5, x6, &mbox_error);
1845 		SMC_RET1(handle, status);
1846 	}
1847 
1848 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
1849 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
1850 	{
1851 		bool is_final = (smc_fid ==
1852 				ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE) ?
1853 				true : false;
1854 
1855 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
1856 					smc_fid, x1, x2, x3, x4, x5, x6,
1857 					(uint32_t *) &x7, x8, is_final,
1858 					&mbox_error, x9);
1859 		SMC_RET1(handle, status);
1860 	}
1861 
1862 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_INIT:
1863 	{
1864 		status = intel_fcs_ecdsa_get_pubkey_init(x2, x3, x4, x5, x6,
1865 					&mbox_error);
1866 		SMC_RET1(handle, status);
1867 	}
1868 
1869 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
1870 	{
1871 		status = intel_fcs_ecdsa_get_pubkey_finalize(smc_fid, x1, x2, x3,
1872 					x4, (uint32_t *) &x5, &mbox_error);
1873 		SMC_RET1(handle, status);
1874 	}
1875 
1876 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_INIT:
1877 	{
1878 		status = intel_fcs_ecdh_request_init(x2, x3, x4, x5, x6,
1879 					&mbox_error);
1880 		SMC_RET1(handle, status);
1881 	}
1882 
1883 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_FINALIZE:
1884 	{
1885 		uint32_t dest_size = (uint32_t)x7;
1886 
1887 		NOTICE("MBOX: %s, %d: x7 0x%x, dest_size 0x%x\n",
1888 			__func__, __LINE__, (uint32_t)x7, dest_size);
1889 
1890 		status = intel_fcs_ecdh_request_finalize(smc_fid, x1, x2, x3,
1891 					x4, x5, x6, (uint32_t *) &dest_size,
1892 					&mbox_error);
1893 		SMC_RET1(handle, status);
1894 	}
1895 
1896 	case ALTERA_SIP_SMC_ASYNC_MCTP_MSG:
1897 	{
1898 		uint32_t *src_addr = (uint32_t *)x2;
1899 		uint32_t src_size = (uint32_t)x3;
1900 		uint32_t *dst_addr = (uint32_t *)x4;
1901 
1902 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1903 						   GET_JOB_ID(x1),
1904 						   MBOX_CMD_MCTP_MSG,
1905 						   src_addr,
1906 						   src_size / MBOX_WORD_BYTE,
1907 						   MBOX_CMD_FLAG_CASUAL,
1908 						   sip_smc_ret_nbytes_cb,
1909 						   dst_addr,
1910 						   2);
1911 
1912 		SMC_RET1(handle, status);
1913 	}
1914 
1915 	case ALTERA_SIP_SMC_ASYNC_FCS_HKDF_REQUEST:
1916 	{
1917 		status = intel_fcs_hkdf_request(smc_fid, x1, x2, x3, x4, x5, x6,
1918 					x7);
1919 		SMC_RET1(handle, status);
1920 	}
1921 
1922 	default:
1923 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
1924 					   cookie, handle, flags);
1925 	} /* switch (smc_fid) */
1926 }
1927 #endif
1928 
1929 /*
1930  * This function is responsible for handling all SiP calls from the NS world
1931  */
1932 
1933 uintptr_t sip_smc_handler_v1(uint32_t smc_fid,
1934 			 u_register_t x1,
1935 			 u_register_t x2,
1936 			 u_register_t x3,
1937 			 u_register_t x4,
1938 			 void *cookie,
1939 			 void *handle,
1940 			 u_register_t flags)
1941 {
1942 	uint32_t retval = 0, completed_addr[3];
1943 	uint32_t retval2 = 0;
1944 	uint32_t mbox_error = 0;
1945 	uint32_t err_states = 0;
1946 	uint64_t retval64, rsu_respbuf[9];
1947 	uint32_t seu_respbuf[3];
1948 	int status = INTEL_SIP_SMC_STATUS_OK;
1949 	int mbox_status;
1950 	unsigned int len_in_resp = 0;
1951 	u_register_t x5, x6, x7;
1952 
1953 	switch (smc_fid) {
1954 	case SIP_SVC_UID:
1955 		/* Return UID to the caller */
1956 		SMC_UUID_RET(handle, intl_svc_uid);
1957 
1958 	case INTEL_SIP_SMC_FPGA_CONFIG_ISDONE:
1959 		status = intel_mailbox_fpga_config_isdone(&err_states);
1960 		SMC_RET4(handle, status, err_states, 0, 0);
1961 
1962 	case INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM:
1963 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
1964 			INTEL_SIP_SMC_FPGA_CONFIG_ADDR,
1965 			INTEL_SIP_SMC_FPGA_CONFIG_SIZE -
1966 				INTEL_SIP_SMC_FPGA_CONFIG_ADDR);
1967 
1968 	case INTEL_SIP_SMC_FPGA_CONFIG_START:
1969 		status = intel_fpga_config_start(x1);
1970 		SMC_RET4(handle, status, 0, 0, 0);
1971 
1972 	case INTEL_SIP_SMC_FPGA_CONFIG_WRITE:
1973 		status = intel_fpga_config_write(x1, x2);
1974 		SMC_RET4(handle, status, 0, 0, 0);
1975 
1976 	case INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE:
1977 		status = intel_fpga_config_completed_write(completed_addr,
1978 							&retval, &rcv_id);
1979 		switch (retval) {
1980 		case 1:
1981 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1982 				completed_addr[0], 0, 0);
1983 
1984 		case 2:
1985 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1986 				completed_addr[0],
1987 				completed_addr[1], 0);
1988 
1989 		case 3:
1990 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1991 				completed_addr[0],
1992 				completed_addr[1],
1993 				completed_addr[2]);
1994 
1995 		case 0:
1996 			SMC_RET4(handle, status, 0, 0, 0);
1997 
1998 		default:
1999 			mailbox_clear_response();
2000 			SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
2001 		}
2002 
2003 	case INTEL_SIP_SMC_REG_READ:
2004 		status = intel_secure_reg_read(x1, &retval);
2005 		SMC_RET3(handle, status, retval, x1);
2006 
2007 	case INTEL_SIP_SMC_REG_WRITE:
2008 		status = intel_secure_reg_write(x1, (uint32_t)x2, &retval);
2009 		SMC_RET3(handle, status, retval, x1);
2010 
2011 	case INTEL_SIP_SMC_REG_UPDATE:
2012 		status = intel_secure_reg_update(x1, (uint32_t)x2,
2013 						 (uint32_t)x3, &retval);
2014 		SMC_RET3(handle, status, retval, x1);
2015 
2016 	case INTEL_SIP_SMC_RSU_STATUS:
2017 		status = intel_rsu_status(rsu_respbuf,
2018 					ARRAY_SIZE(rsu_respbuf));
2019 		if (status) {
2020 			SMC_RET1(handle, status);
2021 		} else {
2022 			SMC_RET4(handle, rsu_respbuf[0], rsu_respbuf[1],
2023 					rsu_respbuf[2], rsu_respbuf[3]);
2024 		}
2025 
2026 	case INTEL_SIP_SMC_RSU_UPDATE:
2027 		status = intel_rsu_update(x1);
2028 		SMC_RET1(handle, status);
2029 
2030 	case INTEL_SIP_SMC_RSU_NOTIFY:
2031 		status = intel_rsu_notify(x1);
2032 		SMC_RET1(handle, status);
2033 
2034 	case INTEL_SIP_SMC_RSU_RETRY_COUNTER:
2035 		status = intel_rsu_retry_counter((uint32_t *)rsu_respbuf,
2036 						ARRAY_SIZE(rsu_respbuf), &retval);
2037 		if (status) {
2038 			SMC_RET1(handle, status);
2039 		} else {
2040 			SMC_RET2(handle, status, retval);
2041 		}
2042 
2043 	case INTEL_SIP_SMC_RSU_DCMF_VERSION:
2044 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2045 			 ((uint64_t)rsu_dcmf_ver[1] << 32) | rsu_dcmf_ver[0],
2046 			 ((uint64_t)rsu_dcmf_ver[3] << 32) | rsu_dcmf_ver[2]);
2047 
2048 	case INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION:
2049 		status = intel_rsu_copy_dcmf_version(x1, x2);
2050 		SMC_RET1(handle, status);
2051 
2052 	case INTEL_SIP_SMC_RSU_GET_DEVICE_INFO:
2053 		status = intel_rsu_get_device_info((uint32_t *)rsu_respbuf,
2054 					ARRAY_SIZE(rsu_respbuf));
2055 		if (status) {
2056 			SMC_RET1(handle, status);
2057 		} else {
2058 			SMC_RET5(handle, status, rsu_respbuf[0], rsu_respbuf[1],
2059 				 rsu_respbuf[2], rsu_respbuf[3]);
2060 		}
2061 
2062 	case INTEL_SIP_SMC_RSU_DCMF_STATUS:
2063 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK,
2064 			 ((uint64_t)rsu_dcmf_stat[3] << 48) |
2065 			 ((uint64_t)rsu_dcmf_stat[2] << 32) |
2066 			 ((uint64_t)rsu_dcmf_stat[1] << 16) |
2067 			 rsu_dcmf_stat[0]);
2068 
2069 	case INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS:
2070 		status = intel_rsu_copy_dcmf_status(x1);
2071 		SMC_RET1(handle, status);
2072 
2073 	case INTEL_SIP_SMC_RSU_MAX_RETRY:
2074 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK, rsu_max_retry);
2075 
2076 	case INTEL_SIP_SMC_RSU_COPY_MAX_RETRY:
2077 		rsu_max_retry = x1;
2078 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2079 
2080 	case INTEL_SIP_SMC_ECC_DBE:
2081 		status = intel_ecc_dbe_notification(x1);
2082 		SMC_RET1(handle, status);
2083 
2084 	case INTEL_SIP_SMC_SERVICE_COMPLETED:
2085 		status = intel_smc_service_completed(x1, x2, x3, &rcv_id,
2086 						&len_in_resp, &mbox_error);
2087 		SMC_RET4(handle, status, mbox_error, x1, len_in_resp);
2088 
2089 	case INTEL_SIP_SMC_FIRMWARE_VERSION:
2090 		status = intel_smc_fw_version(&retval);
2091 		SMC_RET2(handle, status, retval);
2092 
2093 	case INTEL_SIP_SMC_MBOX_SEND_CMD:
2094 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2095 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2096 		status = intel_mbox_send_cmd(x1, (uint32_t *)x2, x3, x4, x5, x6,
2097 						&mbox_status, &len_in_resp);
2098 		SMC_RET3(handle, status, mbox_status, len_in_resp);
2099 
2100 	case INTEL_SIP_SMC_GET_USERCODE:
2101 		status = intel_smc_get_usercode(&retval);
2102 		SMC_RET2(handle, status, retval);
2103 
2104 	case INTEL_SIP_SMC_FCS_CRYPTION:
2105 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2106 
2107 		if (x1 == FCS_MODE_DECRYPT) {
2108 			status = intel_fcs_decryption(x2, x3, x4, x5, &send_id);
2109 		} else if (x1 == FCS_MODE_ENCRYPT) {
2110 			status = intel_fcs_encryption(x2, x3, x4, x5, &send_id);
2111 		} else {
2112 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2113 		}
2114 
2115 		SMC_RET3(handle, status, x4, x5);
2116 
2117 	case INTEL_SIP_SMC_FCS_CRYPTION_EXT:
2118 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2119 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2120 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2121 
2122 		if (x3 == FCS_MODE_DECRYPT) {
2123 			status = intel_fcs_decryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2124 					(uint32_t *) &x7, &mbox_error, 0, 0, 0);
2125 		} else if (x3 == FCS_MODE_ENCRYPT) {
2126 			status = intel_fcs_encryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2127 					(uint32_t *) &x7, &mbox_error, 0, 0);
2128 		} else {
2129 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2130 		}
2131 
2132 		SMC_RET4(handle, status, mbox_error, x6, x7);
2133 
2134 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER:
2135 		status = intel_fcs_random_number_gen(x1, &retval64,
2136 							&mbox_error);
2137 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2138 
2139 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT:
2140 		status = intel_fcs_random_number_gen_ext(x1, x2, x3,
2141 							&send_id);
2142 		SMC_RET1(handle, status);
2143 
2144 	case INTEL_SIP_SMC_FCS_SEND_CERTIFICATE:
2145 		status = intel_fcs_send_cert(smc_fid, 0, x1, x2, &send_id);
2146 		SMC_RET1(handle, status);
2147 
2148 	case INTEL_SIP_SMC_FCS_GET_PROVISION_DATA:
2149 		status = intel_fcs_get_provision_data(&send_id);
2150 		SMC_RET1(handle, status);
2151 
2152 	case INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH:
2153 		status = intel_fcs_cntr_set_preauth(smc_fid, 0, x1, x2, x3,
2154 							&mbox_error);
2155 		SMC_RET2(handle, status, mbox_error);
2156 
2157 	case INTEL_SIP_SMC_HPS_SET_BRIDGES:
2158 		status = intel_hps_set_bridges(x1, x2);
2159 		SMC_RET1(handle, status);
2160 
2161 	case INTEL_SIP_SMC_HWMON_READTEMP:
2162 		status = intel_hwmon_readtemp(x1, &retval);
2163 		SMC_RET2(handle, status, retval);
2164 
2165 	case INTEL_SIP_SMC_HWMON_READVOLT:
2166 		status = intel_hwmon_readvolt(x1, &retval);
2167 		SMC_RET2(handle, status, retval);
2168 
2169 	case INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN:
2170 		status = intel_fcs_sigma_teardown(x1, &mbox_error);
2171 		SMC_RET2(handle, status, mbox_error);
2172 
2173 	case INTEL_SIP_SMC_FCS_CHIP_ID:
2174 		status = intel_fcs_chip_id(&retval, &retval2, &mbox_error);
2175 		SMC_RET4(handle, status, mbox_error, retval, retval2);
2176 
2177 	case INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY:
2178 		status = intel_fcs_attestation_subkey(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_ATTESTATION_MEASUREMENTS:
2183 		status = intel_fcs_get_measurement(x1, x2, x3,
2184 					(uint32_t *) &x4, &mbox_error);
2185 		SMC_RET4(handle, status, mbox_error, x3, x4);
2186 
2187 	case INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT:
2188 		status = intel_fcs_get_attestation_cert(smc_fid, 0, x1, x2,
2189 					(uint32_t *) &x3, &mbox_error);
2190 		SMC_RET4(handle, status, mbox_error, x2, x3);
2191 
2192 	case INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD:
2193 		status = intel_fcs_create_cert_on_reload(smc_fid, 0, x1, &mbox_error);
2194 		SMC_RET2(handle, status, mbox_error);
2195 
2196 	case INTEL_SIP_SMC_FCS_OPEN_CS_SESSION:
2197 		status = intel_fcs_open_crypto_service_session(&retval, &mbox_error);
2198 		SMC_RET3(handle, status, mbox_error, retval);
2199 
2200 	case INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION:
2201 		status = intel_fcs_close_crypto_service_session(x1, &mbox_error);
2202 		SMC_RET2(handle, status, mbox_error);
2203 
2204 	case INTEL_SIP_SMC_FCS_IMPORT_CS_KEY:
2205 		status = intel_fcs_import_crypto_service_key(x1, x2, &send_id);
2206 		SMC_RET1(handle, status);
2207 
2208 	case INTEL_SIP_SMC_FCS_EXPORT_CS_KEY:
2209 		status = intel_fcs_export_crypto_service_key(x1, x2, x3,
2210 					(uint32_t *) &x4, &mbox_error);
2211 		SMC_RET4(handle, status, mbox_error, x3, x4);
2212 
2213 	case INTEL_SIP_SMC_FCS_REMOVE_CS_KEY:
2214 		status = intel_fcs_remove_crypto_service_key(x1, x2,
2215 					&mbox_error);
2216 		SMC_RET2(handle, status, mbox_error);
2217 
2218 	case INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO:
2219 		status = intel_fcs_get_crypto_service_key_info(x1, x2, x3,
2220 					(uint32_t *) &x4, &mbox_error);
2221 		SMC_RET4(handle, status, mbox_error, x3, x4);
2222 
2223 	case INTEL_SIP_SMC_FCS_GET_DIGEST_INIT:
2224 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2225 		status = intel_fcs_get_digest_init(x1, x2, x3,
2226 					x4, x5, &mbox_error);
2227 		SMC_RET2(handle, status, mbox_error);
2228 
2229 	case INTEL_SIP_SMC_FCS_GET_DIGEST_UPDATE:
2230 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2231 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2232 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2233 					x3, x4, x5, (uint32_t *) &x6, false,
2234 					&mbox_error, 0);
2235 		SMC_RET4(handle, status, mbox_error, x5, x6);
2236 
2237 	case INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE:
2238 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2239 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2240 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2241 					x3, x4, x5, (uint32_t *) &x6, true,
2242 					&mbox_error, 0);
2243 		SMC_RET4(handle, status, mbox_error, x5, x6);
2244 
2245 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_UPDATE:
2246 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2247 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2248 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2249 					x4, x5, (uint32_t *) &x6, false,
2250 					&mbox_error, &send_id);
2251 		SMC_RET4(handle, status, mbox_error, x5, x6);
2252 
2253 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_FINALIZE:
2254 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2255 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2256 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2257 					x4, x5, (uint32_t *) &x6, true,
2258 					&mbox_error, &send_id);
2259 		SMC_RET4(handle, status, mbox_error, x5, x6);
2260 
2261 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT:
2262 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2263 		status = intel_fcs_mac_verify_init(x1, x2, x3,
2264 					x4, x5, &mbox_error);
2265 		SMC_RET2(handle, status, mbox_error);
2266 
2267 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_UPDATE:
2268 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2269 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2270 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2271 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2272 					x3, x4, x5, (uint32_t *) &x6, x7, false,
2273 					&mbox_error, 0);
2274 		SMC_RET4(handle, status, mbox_error, x5, x6);
2275 
2276 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE:
2277 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2278 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2279 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2280 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2281 					x3, x4, x5, (uint32_t *) &x6, x7, true,
2282 					&mbox_error, 0);
2283 		SMC_RET4(handle, status, mbox_error, x5, x6);
2284 
2285 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_UPDATE:
2286 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2287 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2288 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2289 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2290 					x4, x5, (uint32_t *) &x6, x7,
2291 					false, &mbox_error, &send_id);
2292 		SMC_RET4(handle, status, mbox_error, x5, x6);
2293 
2294 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_FINALIZE:
2295 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2296 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2297 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2298 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2299 					x4, x5, (uint32_t *) &x6, x7,
2300 					true, &mbox_error, &send_id);
2301 		SMC_RET4(handle, status, mbox_error, x5, x6);
2302 
2303 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
2304 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2305 		status = intel_fcs_ecdsa_sha2_data_sign_init(x1, x2, x3,
2306 					x4, x5, &mbox_error);
2307 		SMC_RET2(handle, status, mbox_error);
2308 
2309 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
2310 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2311 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2312 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2313 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2314 					false, &mbox_error, 0);
2315 		SMC_RET4(handle, status, mbox_error, x5, x6);
2316 
2317 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
2318 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2319 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2320 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2321 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2322 					true, &mbox_error, 0);
2323 		SMC_RET4(handle, status, mbox_error, x5, x6);
2324 
2325 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_UPDATE:
2326 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2327 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2328 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2329 					x2, x3, x4, x5, (uint32_t *) &x6, false,
2330 					&mbox_error, &send_id);
2331 		SMC_RET4(handle, status, mbox_error, x5, x6);
2332 
2333 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_FINALIZE:
2334 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2335 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2336 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2337 					x2, x3, x4, x5, (uint32_t *) &x6, true,
2338 					&mbox_error, &send_id);
2339 		SMC_RET4(handle, status, mbox_error, x5, x6);
2340 
2341 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_INIT:
2342 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2343 		status = intel_fcs_ecdsa_hash_sign_init(x1, x2, x3,
2344 					x4, x5, &mbox_error);
2345 		SMC_RET2(handle, status, mbox_error);
2346 
2347 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_FINALIZE:
2348 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2349 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2350 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, 0, x1, x2,
2351 					x3, x4, x5, (uint32_t *) &x6,
2352 					&mbox_error);
2353 		SMC_RET4(handle, status, mbox_error, x5, x6);
2354 
2355 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
2356 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2357 		status = intel_fcs_ecdsa_hash_sig_verify_init(x1, x2, x3,
2358 					x4, x5, &mbox_error);
2359 		SMC_RET2(handle, status, mbox_error);
2360 
2361 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
2362 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2363 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2364 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, 0, x1,
2365 					x2, x3, x4, x5, (uint32_t *) &x6,
2366 					&mbox_error);
2367 		SMC_RET4(handle, status, mbox_error, x5, x6);
2368 
2369 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
2370 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2371 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x1, x2, x3,
2372 					x4, x5, &mbox_error);
2373 		SMC_RET2(handle, status, mbox_error);
2374 
2375 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
2376 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2377 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2378 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2379 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2380 					smc_fid, 0, x1, x2, x3, x4, x5,
2381 					(uint32_t *) &x6, x7, false,
2382 					&mbox_error, 0);
2383 		SMC_RET4(handle, status, mbox_error, x5, x6);
2384 
2385 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_UPDATE:
2386 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2387 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2388 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2389 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2390 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2391 					x7, false, &mbox_error, &send_id);
2392 		SMC_RET4(handle, status, mbox_error, x5, x6);
2393 
2394 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_FINALIZE:
2395 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2396 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2397 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2398 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2399 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2400 					x7, true, &mbox_error, &send_id);
2401 		SMC_RET4(handle, status, mbox_error, x5, x6);
2402 
2403 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
2404 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2405 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2406 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2407 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2408 					smc_fid, 0, x1, x2, x3, x4, x5,
2409 					(uint32_t *) &x6, x7, true,
2410 					&mbox_error, 0);
2411 		SMC_RET4(handle, status, mbox_error, x5, x6);
2412 
2413 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
2414 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2415 		status = intel_fcs_ecdsa_get_pubkey_init(x1, x2, x3,
2416 					x4, x5, &mbox_error);
2417 		SMC_RET2(handle, status, mbox_error);
2418 
2419 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
2420 		status = intel_fcs_ecdsa_get_pubkey_finalize(
2421 				INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE, 0,
2422 				x1, x2, x3, (uint32_t *) &x4, &mbox_error);
2423 		SMC_RET4(handle, status, mbox_error, x3, x4);
2424 
2425 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_INIT:
2426 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2427 		status = intel_fcs_ecdh_request_init(x1, x2, x3,
2428 					x4, x5, &mbox_error);
2429 		SMC_RET2(handle, status, mbox_error);
2430 
2431 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_FINALIZE:
2432 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2433 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2434 		status = intel_fcs_ecdh_request_finalize(smc_fid, 0, x1, x2, x3,
2435 					 x4, x5, (uint32_t *) &x6, &mbox_error);
2436 		SMC_RET4(handle, status, mbox_error, x5, x6);
2437 
2438 	case INTEL_SIP_SMC_FCS_AES_CRYPT_INIT:
2439 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2440 		status = intel_fcs_aes_crypt_init(x1, x2, x3, x4, x5,
2441 					&mbox_error);
2442 		SMC_RET2(handle, status, mbox_error);
2443 
2444 	case INTEL_SIP_SMC_FCS_AES_CRYPT_UPDATE:
2445 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2446 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2447 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2448 					x3, x4, x5, x6, 0, false, &send_id, 0, 0);
2449 		SMC_RET1(handle, status);
2450 
2451 	case INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE:
2452 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2453 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2454 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2455 					x3, x4, x5, x6, 0, true, &send_id, 0, 0);
2456 		SMC_RET1(handle, status);
2457 
2458 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2459 	case INTEL_SIP_SMC_FCS_SDM_REMAPPER_CONFIG:
2460 		status = intel_smmu_hps_remapper_config(x1);
2461 		SMC_RET1(handle, status);
2462 #endif
2463 
2464 	case INTEL_SIP_SMC_GET_ROM_PATCH_SHA384:
2465 		status = intel_fcs_get_rom_patch_sha384(x1, &retval64,
2466 							&mbox_error);
2467 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2468 
2469 	case INTEL_SIP_SMC_SVC_VERSION:
2470 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2471 					SIP_SVC_VERSION_MAJOR,
2472 					SIP_SVC_VERSION_MINOR);
2473 
2474 	case INTEL_SIP_SMC_SEU_ERR_STATUS:
2475 		status = intel_sdm_seu_err_read(seu_respbuf,
2476 					ARRAY_SIZE(seu_respbuf));
2477 		if (status) {
2478 			SMC_RET1(handle, status);
2479 		} else {
2480 			SMC_RET3(handle, seu_respbuf[0], seu_respbuf[1], seu_respbuf[2]);
2481 		}
2482 
2483 	case INTEL_SIP_SMC_SAFE_INJECT_SEU_ERR:
2484 		status = intel_sdm_safe_inject_seu_err((uint32_t *)&x1, (uint32_t)x2);
2485 		SMC_RET1(handle, status);
2486 
2487 	case INTEL_SIP_SMC_ATF_BUILD_VER:
2488 		SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK, VERSION_MAJOR,
2489 			 VERSION_MINOR, VERSION_PATCH);
2490 
2491 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2492 	case INTEL_SIP_SMC_INJECT_IO96B_ECC_ERR:
2493 		intel_inject_io96b_ecc_err((uint32_t *)&x1, (uint32_t)x2);
2494 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2495 #endif
2496 
2497 	default:
2498 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
2499 			cookie, handle, flags);
2500 	}
2501 }
2502 
2503 uintptr_t sip_smc_handler(uint32_t smc_fid,
2504 			 u_register_t x1,
2505 			 u_register_t x2,
2506 			 u_register_t x3,
2507 			 u_register_t x4,
2508 			 void *cookie,
2509 			 void *handle,
2510 			 u_register_t flags)
2511 {
2512 	uint32_t cmd = smc_fid & INTEL_SIP_SMC_CMD_MASK;
2513 
2514 	if (cmd >= INTEL_SIP_SMC_CMD_V2_RANGE_BEGIN &&
2515 	    cmd <= INTEL_SIP_SMC_CMD_V2_RANGE_END) {
2516 		return sip_smc_handler_v2(smc_fid, x1, x2, x3, x4,
2517 			cookie, handle, flags);
2518 	}
2519 #if SIP_SVC_V3
2520 	else if ((cmd >= INTEL_SIP_SMC_CMD_V3_RANGE_BEGIN) &&
2521 		(cmd <= INTEL_SIP_SMC_CMD_V3_RANGE_END)) {
2522 		uintptr_t ret = sip_smc_handler_v3(smc_fid, x1, x2, x3, x4,
2523 						   cookie, handle, flags);
2524 		return ret;
2525 	}
2526 #endif
2527 	else {
2528 		return sip_smc_handler_v1(smc_fid, x1, x2, x3, x4,
2529 			cookie, handle, flags);
2530 	}
2531 }
2532 
2533 DECLARE_RT_SVC(
2534 	socfpga_sip_svc,
2535 	OEN_SIP_START,
2536 	OEN_SIP_END,
2537 	SMC_TYPE_FAST,
2538 	NULL,
2539 	sip_smc_handler
2540 );
2541 
2542 DECLARE_RT_SVC(
2543 	socfpga_sip_svc_std,
2544 	OEN_SIP_START,
2545 	OEN_SIP_END,
2546 	SMC_TYPE_YIELD,
2547 	NULL,
2548 	sip_smc_handler
2549 );
2550