sonic-net · luka-micas · Jun 5, 2026 · Jun 5, 2026 · Jun 5, 2026 · Jun 8, 2026
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/70-usb-network.rules b/device/micas/arm64-micas_m2-w6950-128oc-r0/70-usb-network.rules
@@ -0,0 +1,6 @@
+# Aspeed BMC USB Network Gadget Interface Renaming Rule
+# Renames USB NCM gadget interface from usb0 to bmc0 for consistent naming
+
+# Match USB NCM gadget interface with BMC MAC address and rename to bmc0
+SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:00:00:00:01", NAME="bmc0"
+
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/99-switchCpu.rules b/device/micas/arm64-micas_m2-w6950-128oc-r0/99-switchCpu.rules
@@ -0,0 +1,2 @@
+# Micas M2-W6950-128OC BMC: map host CPU console /dev/ttyS2 to /dev/ttySwitchCpu0
+SUBSYSTEM=="tty", KERNEL=="ttyS2", SYMLINK+="ttySwitchCpu0", MODE="0666"
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/asic.conf b/device/micas/arm64-micas_m2-w6950-128oc-r0/asic.conf
@@ -0,0 +1,2 @@
+# BMC does not have switch ASIC, but SONiC expects NUM_ASIC >= 1
+NUM_ASIC=1
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/bmc.json b/device/micas/arm64-micas_m2-w6950-128oc-r0/bmc.json
@@ -0,0 +1,6 @@
+{
+    "bmc_if_name": "bmc0",
+    "bmc_if_addr": "169.254.100.2",
+    "bmc_addr": "169.254.100.1",
+    "bmc_net_mask": "255.255.255.252"
+}
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/default_sku b/device/micas/arm64-micas_m2-w6950-128oc-r0/default_sku
@@ -0,0 +1 @@
+M2-W6950-128OC empty
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/installer.conf b/device/micas/arm64-micas_m2-w6950-128oc-r0/installer.conf
@@ -0,0 +1,7 @@
+# Console configuration for AST27xx platform
+CONSOLE_DEV=12
+CONSOLE_SPEED=115200
+EARLYCON="earlycon=uart8250,mmio32,0x14c33b00"
+bootconf="micas-m2-w6950-128oc"
+VAR_LOG_SIZE=512
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX=""
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/platform.json b/device/micas/arm64-micas_m2-w6950-128oc-r0/platform.json
@@ -0,0 +1,20 @@
+{
+    "chassis": {
+        "name": "M2-W6950-128OC-BMC",
+        "thermal_manager": false,
+        "status_led": {
+            "controllable": true,
+            "colors": ["green", "amber", "off"]
+        },
+        "components": [
+            {
+                "name": "BIOS"
+            }
+        ],
+        "fans": [],
+        "psus": [],
+        "thermals": [],
+        "sfps": []
+    },
+    "interfaces": {}
+}
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_asic b/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_asic
@@ -0,0 +1 @@
+aspeed
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_components.json b/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_components.json
@@ -0,0 +1,17 @@
+{
+    "chassis": {
+        "M2-W6950-128OC": {
+            "component": {
+                "CPU_CPLD": { },
+                "BASE_CPLD": { },
+                "MAC_CPLDA": { },
+                "MAC_CPLDB": { },
+                "IO_CPLD": { },
+                "FAN_CPLD": { },
+                "MAC_FPGA": { },
+                "IO_FPGA": { },
+                "BIOS": { }
+            }
+        }
+    }
+}
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_env.conf b/device/micas/arm64-micas_m2-w6950-128oc-r0/platform_env.conf
@@ -0,0 +1,2 @@
+# BMC platform environment for Micas AST27xx
+switch_bmc=1
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/pmon_daemon_control.json b/device/micas/arm64-micas_m2-w6950-128oc-r0/pmon_daemon_control.json
@@ -0,0 +1,17 @@
+{
+    "skip_thermalctld": false,
+    "skip_ledd": true,
+    "skip_xcvrd": true,
+    "skip_psud": true,
+    "skip_syseepromd": false,
+    "skip_pcied": true,
+    "skip_chassisd": false,
+    "skip_chassis_db_init": false,
+    "skip_fancontrol": true,
+    "include_sensormond": false,
+    "thermalctld": {
+        "thermal_monitor_initial_interval": 5,
+        "thermal_monitor_update_interval": 60,
+        "thermal_monitor_update_elapsed_threshold": 30
+    }
+}
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/switch_cpu_console.conf b/device/micas/arm64-micas_m2-w6950-128oc-r0/switch_cpu_console.conf
@@ -0,0 +1,4 @@
+# Console configuration for Micas M2-W6950-128OC BMC
+CONSOLE_BAUD_RATE=115200
+CONSOLE_FLOW_CONTROL=0
+CONSOLE_REMOTE_DEVICE=SwitchCpu
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/system_health_monitoring_config.json b/device/micas/arm64-micas_m2-w6950-128oc-r0/system_health_monitoring_config.json
@@ -0,0 +1,11 @@
+{
+    "services_to_ignore": [],
+    "devices_to_ignore": ["psu", "pdb", "fan", "asic"],
+    "user_defined_checkers": [],
+    "polling_interval": 300,
+    "led_color": {
+        "fault": "amber",
+        "normal": "green",
+        "booting": "amber_blink"
+    }
+}
diff --git a/device/micas/arm64-micas_m2-w6950-128oc-r0/udevprefix.conf b/device/micas/arm64-micas_m2-w6950-128oc-r0/udevprefix.conf
@@ -0,0 +1 @@
+ttySwitchCpu
@@ -47,17 +47,21 @@ elif echo "$MODEL" | grep -qi -e "AST2700-A1 Spc6" -e "AST2700-A2 Spc6"; then
     PLATFORM="arm64-aspeed_nvidia_ast2700_bmc-r0"
     MACHINE="aspeed_ast2700"
     log "Detected NVIDIA SPC6 BMC platform"
-elif echo "$COMPATIBLE" | grep -q "aspeed,ast2700-evb"; then
-    PLATFORM="arm64-aspeed_ast2700_evb-r0"
-    MACHINE="aspeed_ast2700"
-    log "Detected Aspeed AST2700 EVB platform"
 elif echo "$COMPATIBLE" | grep -q "arista_goldfinch-r0"; then
    PLATFORM="arm64-arista_goldfinch-r0"
    MACHINE="aspeed_ast2700"
    log "Detected Arista Goldfinch platform"
+elif echo "$COMPATIBLE" | grep -q "micas,m2-w6950-128oc"; then
+    PLATFORM="arm64-micas_m2-w6950-128oc-r0"
+    MACHINE="aspeed_ast2700"
+    log "Detected Micas M2-W6950-128OC BMC platform"
+elif echo "$COMPATIBLE" | grep -q "aspeed,ast2700-evb"; then
+    PLATFORM="arm64-aspeed_ast2700_evb-r0"
+    MACHINE="aspeed_ast2700"
+    log "Detected Aspeed AST2700 EVB platform"
 else
     log "ERROR: Unknown hardware. Compatible: $COMPATIBLE, model: $MODEL"
-    log "Supported platforms: nexthop-b27-r0, nvidia-spc6-bmc, aspeed_ast2700_evb, arista_goldfinch-r0"
+    log "Supported platforms: nexthop-b27-r0, nvidia-spc6-bmc, aspeed_ast2700_evb, arista_goldfinch-r0, micas-m2-w6950-128oc"
     exit 1
 fi
 
@@ -77,4 +81,3 @@ cat "$MACHINE_CONF" | tee -a "$LOG_FILE"
 log "Machine configuration initialization complete"
 
 exit 0
-
@@ -37,6 +37,8 @@ $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(ASPEED_NEXTHOP_B27_PLATFORM_MODULE)
 $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(ASPEED_NVIDIA_AST2700_BMC_PLATFORM_MODULE)
 $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(ARISTA_PLATFORM_MODULE_ALL)
 $(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(NOKIA_BMC_H6_128_PLATFORM_MODULE)
+$(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(MICAS_COMMON_PLATFORM_MODULE)
+$(SONIC_ONE_IMAGE)_LAZY_INSTALLS += $(ASPEED_MICAS_M2_W6950_128OC_PLATFORM_MODULE)
 
 $(SONIC_ONE_IMAGE)_DOCKERS = $(DOCKER_DATABASE) $(DOCKER_GNMI) $(DOCKER_PLATFORM_MONITOR) $(DOCKER_LLDP) $(DOCKER_TELEMETRY) $(DOCKER_SYSMGR) $(DOCKER_SONIC_REDFISH)
-SONIC_INSTALLERS += $(SONIC_ONE_IMAGE)
+SONIC_INSTALLERS += $(SONIC_ONE_IMAGE)
@@ -0,0 +1,8 @@
+MPATH       := $($(MICAS_COMMON_PLATFORM_MODULE)_SRC_PATH)
+DEP_FILES   := $(SONIC_COMMON_FILES_LIST) platform/aspeed/platform-modules-micas.mk platform/aspeed/platform-modules-micas.dep
+DEP_FILES   += $(SONIC_COMMON_BASE_FILES_LIST)
+DEP_FILES   += $(addprefix $(MPATH)/,$(shell cd $(MPATH) && git ls-files))
+
+$(MICAS_COMMON_PLATFORM_MODULE)_CACHE_MODE  := GIT_CONTENT_SHA
+$(MICAS_COMMON_PLATFORM_MODULE)_DEP_FLAGS   := $(SONIC_COMMON_FLAGS_LIST)
+$(MICAS_COMMON_PLATFORM_MODULE)_DEP_FILES   := $(DEP_FILES)
@@ -0,0 +1,14 @@
+# Micas Platform modules
+#
+
+# Common package - contains shared utilities for Micas Aspeed-based BMC cards
+MICAS_COMMON_PLATFORM_MODULE = sonic-platform-aspeed-micas-common_1.0_arm64.deb
+$(MICAS_COMMON_PLATFORM_MODULE)_SRC_PATH = $(PLATFORM_PATH)/sonic-platform-modules-micas
+$(MICAS_COMMON_PLATFORM_MODULE)_DEPENDS += $(LINUX_HEADERS) $(LINUX_HEADERS_COMMON)
+$(MICAS_COMMON_PLATFORM_MODULE)_PLATFORM = arm64-micas-common
+SONIC_DPKG_DEBS += $(MICAS_COMMON_PLATFORM_MODULE)
+
+# M2-W6950-128OC platform package
+ASPEED_MICAS_M2_W6950_128OC_PLATFORM_MODULE = sonic-platform-aspeed-micas-m2-w6950-128oc_1.0_arm64.deb
+$(ASPEED_MICAS_M2_W6950_128OC_PLATFORM_MODULE)_PLATFORM = arm64-micas_m2-w6950-128oc-r0
+$(eval $(call add_extra_package,$(MICAS_COMMON_PLATFORM_MODULE),$(ASPEED_MICAS_M2_W6950_128OC_PLATFORM_MODULE)))
@@ -5,6 +5,7 @@ include $(PLATFORM_PATH)/aspeed-platform-services.mk
 include $(PLATFORM_PATH)/nvidia-hw-mgmt.mk
 include $(PLATFORM_PATH)/platform-modules-arista.mk
 include $(PLATFORM_PATH)/platform-modules-nokia.mk
+include $(PLATFORM_PATH)/platform-modules-micas.mk
 include $(PLATFORM_PATH)/one-image.mk
 include $(PLATFORM_PATH)/recipes/installer-tftp.mk
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# Micas M2-W6950-128OC BMC: map host CPU console /dev/ttyS2 to /dev/ttySwitchCpu0
		SUBSYSTEM=="tty", KERNEL=="ttyS2", SYMLINK+="ttySwitchCpu0", MODE="0666"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# BMC does not have switch ASIC, but SONiC expects NUM_ASIC >= 1
		NUM_ASIC=1
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# BMC platform environment for Micas AST27xx
		switch_bmc=1