Merge changes from topic "st-fix-enum" into integration

* changes:
  fix(stm32mp1): fix enum prints
  fix(st-clock): print enums as unsigned
diff --git a/changelog.yaml b/changelog.yaml
index 4d38e37..fa42e96 100644
--- a/changelog.yaml
+++ b/changelog.yaml
@@ -185,6 +185,13 @@
                 deprecated:
                   - plat/tc0
 
+      - title: Intel
+        scope: intel
+
+        subsections:
+          - title: SoC
+            scope: soc
+
       - title: Marvell
         scope: marvell
 
diff --git a/plat/intel/soc/agilex/bl2_plat_setup.c b/plat/intel/soc/agilex/bl2_plat_setup.c
index b6b3e16..30fbe0d 100644
--- a/plat/intel/soc/agilex/bl2_plat_setup.c
+++ b/plat/intel/soc/agilex/bl2_plat_setup.c
@@ -113,6 +113,9 @@
 	mmc_info.mmc_dev_type = MMC_IS_SD;
 	mmc_info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3;
 
+	/* Request ownership and direct access to QSPI */
+	mailbox_hps_qspi_enable();
+
 	switch (boot_source) {
 	case BOOT_SOURCE_SDMMC:
 		dw_mmc_init(&params, &mmc_info);
@@ -120,8 +123,6 @@
 		break;
 
 	case BOOT_SOURCE_QSPI:
-		mailbox_set_qspi_open();
-		mailbox_set_qspi_direct();
 		cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL,
 			QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS,
 			QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0);
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index 923c4f1..bc10dd8 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -69,6 +69,7 @@
 #define CMD_CASUAL			0
 #define CMD_URGENT			1
 
+#define MBOX_WORD_BYTE			4U
 #define MBOX_RESP_BUFFER_SIZE		16
 #define MBOX_CMD_BUFFER_SIZE		32
 
@@ -108,6 +109,9 @@
 
 /* Mailbox Macros */
 
+#define MBOX_ENTRY_TO_ADDR(_buf, ptr)	(MBOX_OFFSET + (MBOX_##_buf##_BUFFER) \
+						+ MBOX_WORD_BYTE * (ptr))
+
 /* Mailbox interrupt flags and masks */
 #define MBOX_INT_FLAG_COE		0x1
 #define MBOX_INT_FLAG_RIE		0x2
@@ -139,23 +143,22 @@
 void mailbox_set_int(uint32_t interrupt_input);
 int mailbox_init(void);
 void mailbox_set_qspi_close(void);
-void mailbox_set_qspi_open(void);
-void mailbox_set_qspi_direct(void);
+void mailbox_hps_qspi_enable(void);
 
 int mailbox_send_cmd(uint32_t job_id, uint32_t cmd, uint32_t *args,
 			unsigned int len, uint32_t urgent, uint32_t *response,
-			unsigned int resp_len);
+			unsigned int *resp_len);
 int mailbox_send_cmd_async(uint32_t *job_id, uint32_t cmd, uint32_t *args,
 			unsigned int len, unsigned int indirect);
 int mailbox_read_response(uint32_t *job_id, uint32_t *response,
-			unsigned int resp_len);
-unsigned int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
-			unsigned int resp_len);
+			unsigned int *resp_len);
+int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
+			unsigned int *resp_len);
 
 void mailbox_reset_cold(void);
 void mailbox_clear_response(void);
 
-int intel_mailbox_get_config_status(uint32_t cmd);
+int intel_mailbox_get_config_status(uint32_t cmd, bool init_done);
 int intel_mailbox_is_fpga_not_ready(void);
 
 int mailbox_rsu_get_spt_offset(uint32_t *resp_buf, uint32_t resp_buf_len);
diff --git a/plat/intel/soc/common/soc/socfpga_mailbox.c b/plat/intel/soc/common/soc/socfpga_mailbox.c
index aec94af..be900c9 100644
--- a/plat/intel/soc/common/soc/socfpga_mailbox.c
+++ b/plat/intel/soc/common/soc/socfpga_mailbox.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Intel Corporation. All rights reserved.
+ * Copyright (c) 2020-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -59,9 +59,7 @@
 			}
 			mdelay(10U);
 		} else {
-			mmio_write_32(MBOX_OFFSET + MBOX_CMD_BUFFER +
-				      (*cin * 4), data);
-			(*cin)++;
+			mmio_write_32(MBOX_ENTRY_TO_ADDR(CMD, (*cin)++), data);
 			*cin %= MBOX_CMD_BUFFER_SIZE;
 			mmio_write_32(MBOX_OFFSET + MBOX_CIN, *cin);
 			break;
@@ -107,9 +105,7 @@
 		}
 	}
 
-	if (!is_doorbell_triggered) {
-		mmio_write_32(MBOX_OFFSET + MBOX_DOORBELL_TO_SDM, 1U);
-	}
+	mmio_write_32(MBOX_OFFSET + MBOX_DOORBELL_TO_SDM, 1U);
 
 	return MBOX_RET_OK;
 
@@ -131,7 +127,7 @@
 }
 
 int mailbox_read_response(unsigned int *job_id, uint32_t *response,
-				unsigned int resp_len)
+				unsigned int *resp_len)
 {
 	uint32_t rin;
 	uint32_t rout;
@@ -146,8 +142,7 @@
 	rout = mmio_read_32(MBOX_OFFSET + MBOX_ROUT);
 
 	if (rout != rin) {
-		resp_data = mmio_read_32(MBOX_OFFSET +
-				    MBOX_RESP_BUFFER + ((rout++)*4U));
+		resp_data = mmio_read_32(MBOX_ENTRY_TO_ADDR(RESP, (rout)++));
 
 		rout %= MBOX_RESP_BUFFER_SIZE;
 		mmio_write_32(MBOX_OFFSET + MBOX_ROUT, rout);
@@ -161,9 +156,9 @@
 
 		ret_resp_len = MBOX_RESP_LEN(resp_data);
 
-		if (ret_resp_len != 0U) {
-			ret_resp_len = iterate_resp(ret_resp_len, response,
-						    resp_len);
+		if (iterate_resp(ret_resp_len, response, resp_len)
+			!= MBOX_RET_OK) {
+			return MBOX_TIMEOUT;
 		}
 
 		if (MBOX_RESP_ERR(resp_data) > 0U) {
@@ -171,14 +166,14 @@
 			return -MBOX_RESP_ERR(resp_data);
 		}
 
-		return ret_resp_len;
+		return MBOX_RET_OK;
 	}
 	return MBOX_NO_RESPONSE;
 }
 
 
 int mailbox_poll_response(uint32_t job_id, uint32_t urgent, uint32_t *response,
-				unsigned int resp_len)
+				unsigned int *resp_len)
 {
 	unsigned int timeout = 40U;
 	unsigned int sdm_loop = 255U;
@@ -221,8 +216,8 @@
 		rout = mmio_read_32(MBOX_OFFSET + MBOX_ROUT);
 
 		while (rout != rin) {
-			resp_data = mmio_read_32(MBOX_OFFSET +
-					    MBOX_RESP_BUFFER + ((rout++)*4U));
+			resp_data = mmio_read_32(MBOX_ENTRY_TO_ADDR(RESP,
+								(rout)++));
 
 			rout %= MBOX_RESP_BUFFER_SIZE;
 			mmio_write_32(MBOX_OFFSET + MBOX_ROUT, rout);
@@ -234,10 +229,9 @@
 
 			ret_resp_len = MBOX_RESP_LEN(resp_data);
 
-			if (ret_resp_len != 0U) {
-				ret_resp_len = iterate_resp(ret_resp_len,
-							    response,
-							    resp_len);
+			if (iterate_resp(ret_resp_len, response, resp_len)
+				!= MBOX_RET_OK) {
+				return MBOX_TIMEOUT;
 			}
 
 			if (MBOX_RESP_ERR(resp_data) > 0U) {
@@ -245,7 +239,7 @@
 				return -MBOX_RESP_ERR(resp_data);
 			}
 
-			return ret_resp_len;
+			return MBOX_RET_OK;
 		}
 
 	sdm_loop--;
@@ -255,8 +249,8 @@
 	return MBOX_TIMEOUT;
 }
 
-unsigned int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
-			unsigned int resp_len)
+int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
+			unsigned int *resp_len)
 {
 	unsigned int timeout, total_resp_len = 0U;
 	uint32_t resp_data;
@@ -266,17 +260,15 @@
 	while (mbox_resp_len > 0U) {
 		timeout = 100U;
 		mbox_resp_len--;
-		resp_data = mmio_read_32(MBOX_OFFSET +
-					MBOX_RESP_BUFFER +
-					(rout)*4U);
+		resp_data = mmio_read_32(MBOX_ENTRY_TO_ADDR(RESP, (rout)++));
 
-		if ((resp_buf != NULL) && (resp_len != 0U)) {
+		if ((resp_buf != NULL) && (resp_len != NULL)
+			&& (*resp_len != 0U)) {
 			*(resp_buf + total_resp_len)
 					= resp_data;
-			resp_len--;
+			*resp_len = *resp_len - 1;
 			total_resp_len++;
 		}
-		rout++;
 		rout %= MBOX_RESP_BUFFER_SIZE;
 		mmio_write_32(MBOX_OFFSET + MBOX_ROUT, rout);
 
@@ -295,7 +287,11 @@
 			return MBOX_TIMEOUT;
 		}
 	}
-	return total_resp_len;
+
+	if (resp_len)
+		*resp_len = total_resp_len;
+
+	return MBOX_RET_OK;
 }
 
 int mailbox_send_cmd_async(uint32_t *job_id, uint32_t cmd, uint32_t *args,
@@ -320,7 +316,7 @@
 
 int mailbox_send_cmd(uint32_t job_id, uint32_t cmd, uint32_t *args,
 			unsigned int len, uint32_t urgent, uint32_t *response,
-			unsigned int resp_len)
+			unsigned int *resp_len)
 {
 	int status = 0;
 
@@ -366,20 +362,20 @@
 {
 	mailbox_set_int(MBOX_INT_FLAG_COE | MBOX_INT_FLAG_RIE);
 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_QSPI_OPEN, NULL, 0U,
-				CMD_CASUAL, NULL, 0U);
+				CMD_CASUAL, NULL, NULL);
 }
 
 void mailbox_set_qspi_direct(void)
 {
 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_QSPI_DIRECT, NULL, 0U,
-				CMD_CASUAL, NULL, 0U);
+				CMD_CASUAL, NULL, NULL);
 }
 
 void mailbox_set_qspi_close(void)
 {
 	mailbox_set_int(MBOX_INT_FLAG_COE | MBOX_INT_FLAG_RIE);
 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_QSPI_CLOSE, NULL, 0U,
-				CMD_CASUAL, NULL, 0U);
+				CMD_CASUAL, NULL, NULL);
 }
 
 void mailbox_qspi_set_cs(uint32_t device_select)
@@ -390,21 +386,27 @@
 	cs_setting = (device_select << 28);
 	mailbox_set_int(MBOX_INT_FLAG_COE | MBOX_INT_FLAG_RIE);
 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_QSPI_SET_CS, &cs_setting,
-				1U, CMD_CASUAL, NULL, 0U);
+				1U, CMD_CASUAL, NULL, NULL);
+}
+
+void mailbox_hps_qspi_enable(void)
+{
+	mailbox_set_qspi_open();
+	mailbox_set_qspi_direct();
 }
 
 void mailbox_reset_cold(void)
 {
 	mailbox_set_int(MBOX_INT_FLAG_COE | MBOX_INT_FLAG_RIE);
 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_REBOOT_HPS, NULL, 0U,
-				CMD_CASUAL, NULL, 0U);
+				CMD_CASUAL, NULL, NULL);
 }
 
 int mailbox_rsu_get_spt_offset(uint32_t *resp_buf, unsigned int resp_buf_len)
 {
 	return mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_SUBPARTITION_TABLE,
 				NULL, 0U, CMD_CASUAL, resp_buf,
-				resp_buf_len);
+				&resp_buf_len);
 }
 
 struct rsu_status_info {
@@ -426,7 +428,7 @@
 
 	ret = mailbox_send_cmd(MBOX_JOB_ID, MBOX_RSU_STATUS, NULL, 0U,
 				CMD_CASUAL, resp_buf,
-				resp_buf_len);
+				&resp_buf_len);
 
 	if (ret < 0) {
 		return ret;
@@ -445,14 +447,14 @@
 {
 	return mailbox_send_cmd(MBOX_JOB_ID, MBOX_RSU_UPDATE,
 				flash_offset, 2U,
-				CMD_CASUAL, NULL, 0U);
+				CMD_CASUAL, NULL, NULL);
 }
 
 int mailbox_hps_stage_notify(uint32_t execution_stage)
 {
 	return mailbox_send_cmd(MBOX_JOB_ID, MBOX_HPS_STAGE_NOTIFY,
 				&execution_stage, 1U, CMD_CASUAL,
-				NULL, 0U);
+				NULL, NULL);
 }
 
 int mailbox_init(void)
@@ -465,7 +467,7 @@
 	mmio_write_32(MBOX_OFFSET + MBOX_DOORBELL_FROM_SDM, 0U);
 
 	status = mailbox_send_cmd(0U, MBOX_CMD_RESTART, NULL, 0U,
-					CMD_URGENT, NULL, 0U);
+					CMD_URGENT, NULL, NULL);
 
 	if (status != 0) {
 		return status;
@@ -477,13 +479,14 @@
 	return MBOX_RET_OK;
 }
 
-int intel_mailbox_get_config_status(uint32_t cmd)
+int intel_mailbox_get_config_status(uint32_t cmd, bool init_done)
 {
 	int status;
 	uint32_t res, response[6];
+	unsigned int resp_len = ARRAY_SIZE(response);
 
 	status = mailbox_send_cmd(MBOX_JOB_ID, cmd, NULL, 0U, CMD_CASUAL,
-				response, ARRAY_SIZE(response));
+				response, &resp_len);
 
 	if (status < 0) {
 		return status;
@@ -504,20 +507,22 @@
 		return MBOX_CFGSTAT_STATE_ERROR_HARDWARE;
 	}
 
-	if ((res & SOFTFUNC_STATUS_CONF_DONE) != 0U &&
-		(res & SOFTFUNC_STATUS_INIT_DONE) != 0U) {
-		return MBOX_RET_OK;
-	}
+	if ((res & SOFTFUNC_STATUS_CONF_DONE) == 0U)
+		return MBOX_CFGSTAT_STATE_CONFIG;
 
-	return MBOX_CFGSTAT_STATE_CONFIG;
+	if (init_done && (res & SOFTFUNC_STATUS_INIT_DONE) == 0U)
+		return MBOX_CFGSTAT_STATE_CONFIG;
+
+	return MBOX_RET_OK;
 }
 
 int intel_mailbox_is_fpga_not_ready(void)
 {
-	int ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS);
+	int ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS, true);
 
 	if ((ret != MBOX_RET_OK) && (ret != MBOX_CFGSTAT_STATE_CONFIG)) {
-		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS);
+		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS,
+							false);
 	}
 
 	return ret;
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 86a4455..d53e8de 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -83,9 +83,9 @@
 	uint32_t ret;
 
 	if (query_type == 1)
-		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS);
+		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS, false);
 	else
-		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS);
+		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS, true);
 
 	if (ret) {
 		if (ret == MBOX_CFGSTAT_STATE_CONFIG)
@@ -128,16 +128,16 @@
 static int intel_fpga_config_completed_write(uint32_t *completed_addr,
 					uint32_t *count, uint32_t *job_id)
 {
-	uint32_t status = INTEL_SIP_SMC_STATUS_OK;
-	*count = 0;
-	int resp_len = 0;
 	uint32_t resp[5];
+	unsigned int resp_len = ARRAY_SIZE(resp);
+	int status = INTEL_SIP_SMC_STATUS_OK;
 	int all_completed = 1;
+	*count = 0;
 
 	while (*count < 3) {
 
-		resp_len = mailbox_read_response(job_id,
-				resp, ARRAY_SIZE(resp));
+		status = mailbox_read_response(job_id,
+				resp, &resp_len);
 
 		if (resp_len < 0)
 			break;
@@ -183,17 +183,21 @@
 
 static int intel_fpga_config_start(uint32_t config_type)
 {
+	uint32_t argument = 0x1;
 	uint32_t response[3];
 	int status = 0;
+	unsigned int size = 0;
+	unsigned int resp_len = ARRAY_SIZE(response);
 
 	is_partial_reconfig = config_type;
 
 	mailbox_clear_response();
 
-	mailbox_send_cmd(1U, MBOX_CMD_CANCEL, NULL, 0U, CMD_CASUAL, NULL, 0U);
+	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_CANCEL, NULL, 0U,
+			CMD_CASUAL, NULL, NULL);
 
-	status = mailbox_send_cmd(1U, MBOX_RECONFIG, NULL, 0U, CMD_CASUAL,
-			response, ARRAY_SIZE(response));
+	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_RECONFIG, &argument, size,
+			CMD_CASUAL, response, &resp_len);
 
 	if (status < 0)
 		return status;
@@ -234,6 +238,9 @@
 
 bool is_address_in_ddr_range(uint64_t addr, uint64_t size)
 {
+	if (!addr && !size) {
+		return true;
+	}
 	if (size > (UINT64_MAX - addr))
 		return false;
 	if (addr < BL31_LIMIT)
@@ -341,7 +348,7 @@
 {
 	if (!intel_secure_reg_read(reg_addr, retval)) {
 		*retval &= ~mask;
-		*retval |= val;
+		*retval |= val & mask;
 		return intel_secure_reg_write(reg_addr, *retval, retval);
 	}
 
@@ -384,10 +391,11 @@
 }
 
 /* Mailbox services */
-static uint32_t intel_mbox_send_cmd(uint32_t cmd, uint32_t *args, uint32_t len,
-				    uint32_t urgent, uint32_t *response,
-				    uint32_t resp_len, int *mbox_status,
-				    int *len_in_resp)
+static uint32_t intel_mbox_send_cmd(uint32_t cmd, uint32_t *args,
+				unsigned int len,
+				uint32_t urgent, uint32_t *response,
+				unsigned int resp_len, int *mbox_status,
+				unsigned int *len_in_resp)
 {
 	*len_in_resp = 0;
 	*mbox_status = 0;
@@ -396,7 +404,7 @@
 		return INTEL_SIP_SMC_STATUS_REJECTED;
 
 	int status = mailbox_send_cmd(MBOX_JOB_ID, cmd, args, len, urgent,
-				      response, resp_len);
+				      response, &resp_len);
 
 	if (status < 0) {
 		*mbox_status = -status;
@@ -404,7 +412,7 @@
 	}
 
 	*mbox_status = 0;
-	*len_in_resp = status;
+	*len_in_resp = resp_len;
 	return INTEL_SIP_SMC_STATUS_OK;
 }
 
@@ -425,9 +433,9 @@
 	uint32_t status = INTEL_SIP_SMC_STATUS_OK;
 	uint32_t completed_addr[3];
 	uint64_t rsu_respbuf[9];
+	int mbox_status;
+	unsigned int len_in_resp;
 	u_register_t x5, x6;
-	int mbox_status, len_in_resp;
-
 
 	switch (smc_fid) {
 	case SIP_SVC_UID:
@@ -525,7 +533,7 @@
 		status = intel_mbox_send_cmd(x1, (uint32_t *)x2, x3, x4,
 					     (uint32_t *)x5, x6, &mbox_status,
 					     &len_in_resp);
-		SMC_RET4(handle, status, mbox_status, x5, len_in_resp);
+		SMC_RET3(handle, status, mbox_status, len_in_resp);
 
 	default:
 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
diff --git a/plat/intel/soc/stratix10/bl2_plat_setup.c b/plat/intel/soc/stratix10/bl2_plat_setup.c
index ecf1f01..77b0493 100644
--- a/plat/intel/soc/stratix10/bl2_plat_setup.c
+++ b/plat/intel/soc/stratix10/bl2_plat_setup.c
@@ -109,6 +109,9 @@
 	mmc_info.mmc_dev_type = MMC_IS_SD;
 	mmc_info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3;
 
+	/* Request ownership and direct access to QSPI */
+	mailbox_hps_qspi_enable();
+
 	switch (boot_source) {
 	case BOOT_SOURCE_SDMMC:
 		dw_mmc_init(&params, &mmc_info);
@@ -116,8 +119,6 @@
 		break;
 
 	case BOOT_SOURCE_QSPI:
-		mailbox_set_qspi_open();
-		mailbox_set_qspi_direct();
 		cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL,
 			QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS,
 			QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0);