target: add Ambiq Apollo3 target and NM180410 board support (#1632)

pyocd/board/board_ids.py

@@ -317,4 +317,5 @@ class BoardInfo(NamedTuple):
     "9906": BoardInfo(  "micro:bit v2",         "nrf52833",         "microbitv2.bin",       ),
     "C004": BoardInfo(  "tinyK20",              "k20d50m",          "l1_k20d50m.bin",       ),
     "C006": BoardInfo(  "VBLUno51",             "nrf51",            "l1_nrf51.bin",         ),
+    "D000": BoardInfo(  "NM180410",             "ama3b1kk_kbr",     "l1_ama3b1kk_kbr.bin",  ),
 }

pyocd/target/builtin/__init__.py

@@ -137,6 +137,7 @@
 from . import target_STM32H7B0xx
 from . import target_Air001
 from . import target_Air32F103xx
+from . import target_AMA3B1KK
 
 ## @brief Dictionary of all builtin targets.
 #
@@ -318,4 +319,5 @@
           'air32f103xp': target_Air32F103xx.Air32F103xP,
           'air32f103xe': target_Air32F103xx.Air32F103xE,
           'air32f103xg': target_Air32F103xx.Air32F103xG,
+          'ama3b1kk_kbr': target_AMA3B1KK.AMA3B1KK_KBR,
          }

pyocd/target/builtin/target_AMA3B1KK.py

@@ -0,0 +1,167 @@
+# pyOCD debugger
+# Copyright (c) 2023 Northern Mechatronics, Inc.
+# 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.
+
+import logging
+
+from ...core import exceptions
+from ...core.memory_map import (FlashRegion, RamRegion, MemoryMap)
+from ...coresight.coresight_target import CoreSightTarget
+from ...debug.svd.loader import SVDFile
+from ..family.target_ama3b import AMA3BFamily
+
+LOG = logging.getLogger(__name__)
+
+FLASH_ALGO = {
+    'load_address' : 0x10000000,
+
+    # Flash algorithm as a hex string
+    'instructions': [
+    0xE00ABE00, 0x062D780D, 0x24084068, 0xD3000040, 0x1E644058, 0x1C49D1FA, 0x2A001E52, 0x4770D1F2,
+    0x2040f04f, 0x61812147, 0x61412100, 0x46086181, 0x20004770, 0xe92d4770, 0x4e3341f0, 0x4f332500,
+    0x444e2406, 0x68734622, 0x46382100, 0x43054798, 0x2c401c64, 0x6832dbf6, 0x46382101, 0x43284790,
+    0x81f0e8bd, 0x0cc1b510, 0x2101d000, 0x444a4a26, 0xf3c06853, 0x48253245, 0x28004798, 0x2001d000,
+    0xe92dbd10, 0x460747f0, 0x07884616, 0x2001d000, 0x0491eb00, 0x8070f8df, 0x0006ea47, 0xa06cf8df,
+    0x44c80780, 0x2000d025, 0xf5b4e01f, 0xd2017f00, 0xe00100a5, 0x6500f44f, 0x20004915, 0xe0044449,
+    0x2b01f816, 0x2b01f801, 0x42a81c40, 0x4910d3f8, 0xc008f8d8, 0xf02708ab, 0x44490203, 0x47e04650,
+    0xd1042800, 0x0495eba4, 0x2c00442f, 0xe8bdd1dd, 0xf8d887f0, 0x46235008, 0x4631463a, 0x46ac4650,
+    0x47f0e8bd, 0x00004760, 0x00000004, 0x12344321, 0x00000024, 0x00000000, 0x0800004d, 0x08000051,
+    0x08000055, 0x08000059, 0x0800005d, 0x08000061, 0x08000065, 0x08000069, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
+    ],
+
+    # Relative function addresses
+    'pc_init': 0x10000021,
+    'pc_unInit': 0x10000033,
+    'pc_program_page': 0x10000083,
+    'pc_erase_sector': 0x10000065,
+    'pc_eraseAll': 0x10000037,
+
+    'static_base' : 0x10000000 + 0x00000020 + 0x000000F4,
+    'begin_stack' : 0x10000400,
+    'begin_data' : 0x10000000 + 0x1000,
+    'page_size' : 0x2000,
+    'analyzer_supported' : False,
+    'analyzer_address' : 0x00000000,
+    'page_buffers' : [0x10001000, 0x10003000],   # Enable double buffering
+    'min_program_length' : 0x2000,
+
+    # Flash information
+    'flash_start': 0xC000,
+    'flash_size': 0xF4000,
+    'sector_sizes': (
+        (0x0, 0x2000),
+    )
+}
+
+class AMA3B1KK_KBR(CoreSightTarget):
+
+    VENDOR = "Ambiq Micro"
+
+    MEMORY_MAP = MemoryMap(
+        FlashRegion(name='flash', start=0x0000C000, length=0x000F4000, access='rx',
+            page_size=0x2000,
+            sector_size=0x2000,
+            is_boot_memory=True,
+            algo=FLASH_ALGO),
+
+        RamRegion(  name='sram',  start=0x10000000, length=0x00060000, access='rwx')
+    )
+
+    CortexM_Core = AMA3BFamily
+
+    def __init__(self, link):
+        super().__init__(link, self.MEMORY_MAP)
+        self._svd_location = SVDFile.from_builtin("apollo3.svd")
+
+    def create_init_sequence(self):
+        seq = super().create_init_sequence()
+        seq.wrap_task('discovery',
+            lambda seq: seq.replace_task('create_cores', self.create_cores)
+            )
+        return seq
+
+    def create_cores(self):
+        try:
+            core = self.CortexM_Core(self.session, self.aps[0], self.memory_map, 0)
+            core.default_reset_type = self.ResetType.SW_SYSRESETREQ
+            self.aps[0].core = core
+            core.init()
+            self.add_core(core)
+        except exceptions.Error:
+            LOG.error("No Apollo3 Core found")

pyocd/target/family/target_ama3b.py

@@ -0,0 +1,53 @@
+# pyOCD debugger
+# Copyright (c) 2023 Northern Mechatronics, Inc.
+# 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.
+
+import logging
+
+from ...coresight.cortex_m import CortexM
+
+LOG = logging.getLogger(__name__)
+
+class AMA3BFamily(CortexM):
+    REG_MCU_CTRL_BOOTLOADER = 0x400201A0
+    REG_MCU_CTRL_SCRATCH0 = 0x400201B0
+
+    def set_reset_catch(self, reset_type=None):
+        # If Debugger Support is disabled by the SDBG bit in INFO0_SECURITY,
+        # The least significant bit of register REG_MCU_CTRL_SCRATCH0 must be
+        # set to indicate that a halt is requested by the debugger after
+        # primary boot.
+        #
+        # Refer to document A-SOCA3B-UGGA02EN for more details.
+
+        # Check the REG_MCU_CTRL_BOOTLOADER register to see if secure boot
+        # is enabled for:
+        #   bit 31:30 warm reset
+        #   bit 29:28 cold reset
+        #   bit 27:26 secure boot feature enabled
+        secure_boot = False
+        reg_bootloader = self.read_memory(self.REG_MCU_CTRL_BOOTLOADER)
+        if (reg_bootloader & 0xFC000000):
+            secure_boot = True
+        LOG.debug("AMA3B Secure Boot: %x" % secure_boot)
+
+        if(secure_boot is True):
+            # Modify only the least significant bit and preserve the scratch
+            # register as it could be used by the application firmware.
+            reg_scratch0 = self.read_memory(self.REG_MCU_CTRL_SCRATCH0) | 0x01
+            self.write_memory(self.REG_MCU_CTRL_SCRATCH0, reg_scratch0)
+        else:
+            LOG.debug("normal_set_reset_catch")
+            super().set_reset_catch(reset_type)