psoc64: Update flash layout of CYTFM_064B0S2_4343W

Only report the flash region that can be accessed by none-secure CPU

Signed-off-by: Charley Chu <[email protected]>

Author: Charley Chu

targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYTFM_064B0S2_4343W/cytfm_flash_info.c

@@ -0,0 +1,83 @@
+/***************************************************************************//**
+* \file cytfm_flash_info.c
+*
+* Description:
+* Provides Flash characteristics information for target CYTFM_064B0S2_4343W
+* Cypress board.
+*
+********************************************************************************
+* \copyright
+* Copyright 2020 Cypress Semiconductor Corporation
+* SPDX-License-Identifier: Apache-2.0
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*******************************************************************************/
+#include "cyhal_flash.h"
+#include "region_defs.h"
+#include "cytfm_flash_info.h"
+
+#if DEVICE_FLASH
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Flash layout for App on TARGET_CYTFM_064B0S2_4343W
+ *   +--------------------------+
+ *   |                          |
+ *   |         KVSTORE          |  }+ MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_SIZE
+ *   |                          |
+ *   +--------------------------+
+ *   |                          |
+ *   |                          |
+ *   |  NS partition for App    |  }+ NS_PARTITION_SIZE
+ *   |                          |
+ *   |                          |
+ *   +--------------------------+ <-+ NS_PARTITION_START
+ */
+
+static const cyhal_flash_block_info_t CYTFM_FLASH_BLOCKS[2] =
+{
+    // Main Flash
+    {
+        .start_address = NS_PARTITION_START,
+        .size = NS_PARTITION_SIZE + MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_SIZE,
+        .sector_size = CY_FLASH_SIZEOF_ROW,
+        .page_size = CY_FLASH_SIZEOF_ROW,
+        .erase_value = 0x00U,
+    },
+    // Working Flash
+    {
+        .start_address = CY_EM_EEPROM_BASE,
+        .size = CY_EM_EEPROM_SIZE,
+        .sector_size = CY_FLASH_SIZEOF_ROW,
+        .page_size = CY_FLASH_SIZEOF_ROW,
+        .erase_value = 0x00U,
+    },
+};
+
+void cytfm_flash_get_info(const cyhal_flash_t *obj, cyhal_flash_info_t *info)
+{
+    CY_UNUSED_PARAMETER(obj);
+    CY_ASSERT(NULL != obj);
+
+    info->block_count =
+          sizeof(CYTFM_FLASH_BLOCKS) / sizeof(cyhal_flash_block_info_t);
+    info->blocks = CYTFM_FLASH_BLOCKS;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CYTFM_064B0S2_4343W/cytfm_flash_info.h

@@ -0,0 +1,47 @@
+/***************************************************************************//**
+* \file cytfm_flash_info.h
+*
+* Description:
+* Provides Flash characteristics information for target CYTFM_064B0S2_4343W
+* Cypress board.
+*
+********************************************************************************
+* \copyright
+* Copyright 2020 Cypress Semiconductor Corporation
+* SPDX-License-Identifier: Apache-2.0
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*******************************************************************************/
+#pragma once
+
+#include "cyhal_flash.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Gets flash characteristics like the start address, size, erase values etc
+ *  for TF-M platform.
+ * Refer \ref cyhal_flash_info_t for more information.
+ *
+ * @param[in]  obj  The flash object.
+ * @param[out] info The flash characteristic info.
+ *
+ * Refer \ref subsection_flash_use_case_1 for more information.
+ */
+void cytfm_flash_get_info(const cyhal_flash_t *obj, cyhal_flash_info_t *info);
+
+#ifdef __cplusplus
+}
+#endif
+

targets/TARGET_Cypress/TARGET_PSOC6/cy_flash_api.c

@@ -17,6 +17,10 @@
 #include "flash_api.h"
 #include "cyhal_flash.h"
 
+#ifdef TARGET_TFM
+#include "cytfm_flash_info.h"
+#endif
+
 #if DEVICE_FLASH
 
 #ifdef __cplusplus
@@ -28,7 +32,12 @@ int32_t flash_init(flash_t *obj)
     if (CY_RSLT_SUCCESS != cyhal_flash_init(&(obj->flash))) {
         return -1;
     }
+#ifdef TARGET_TFM
+    cytfm_flash_get_info(&(obj->flash), &(obj->info));
+#else /* TARGET_TFM */
     cyhal_flash_get_info(&(obj->flash), &(obj->info));
+#endif /* TARGET_TFM */
+
     return 0;
 }