CMake: Add support for LPC11XX_11CXX targets

All LPC11XX_11CXX targets supported by Mbed OS
can now be built with CMake.

targets/CMakeLists.txt

@@ -15,6 +15,8 @@ elseif("NORDIC" IN_LIST MBED_TARGET_LABELS)
     add_subdirectory(TARGET_NORDIC)
 elseif("NUVOTON" IN_LIST MBED_TARGET_LABELS)
     add_subdirectory(TARGET_NUVOTON)
+elseif("NXP" IN_LIST MBED_TARGET_LABELS)
+    add_subdirectory(TARGET_NXP)
 elseif("Silicon_Labs" IN_LIST MBED_TARGET_LABELS)
     add_subdirectory(TARGET_Silicon_Labs)
 elseif("STM" IN_LIST MBED_TARGET_LABELS)

targets/TARGET_NXP/CMakeLists.txt

@@ -0,0 +1,20 @@
+# Copyright (c) 2020 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+if("LPC11XX_11CXX" IN_LIST MBED_TARGET_LABELS)
+    add_subdirectory(TARGET_LPC11XX_11CXX)
+elseif("LPC176X" IN_LIST MBED_TARGET_LABELS)
+    add_subdirectory(TARGET_LPC176X)
+elseif("MCUXpresso_MCUS" IN_LIST MBED_TARGET_LABELS)
+    add_subdirectory(TARGET_MCUXpresso_MCUS)
+endif()
+
+target_include_directories(mbed-core
+    INTERFACE
+        .
+)
+
+target_sources(mbed-core
+    INTERFACE
+        USBHAL_LPC17.cpp
+)

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/CMakeLists.txt

@@ -0,0 +1,48 @@
+# Copyright (c) 2020 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+if("LPC11XX" IN_LIST MBED_TARGET_LABELS)
+    target_include_directories(mbed-core
+        INTERFACE
+            TARGET_LPC11XX
+    )
+
+    target_sources(mbed-core
+        INTERFACE
+            TARGET_LPC11XX/device/system_LPC11xx.c
+    )
+
+    if(${MBED_TOOLCHAIN} STREQUAL "ARM")
+        set(STARTUP_FILE device/TOOLCHAIN_ARM_STD/TARGET_LPC11XX/startup_LPC11xx.S)
+        set(LINKER_FILE device/TOOLCHAIN_ARM_STD/TARGET_LPC11XX/LPC1114.sct)
+    elseif(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM")
+        set(STARTUP_FILE device/TOOLCHAIN_GCC_ARM/startup_LPC11xx.S)
+        set(LINKER_FILE device/TOOLCHAIN_GCC_ARM/TARGET_LPC11XX/LPC1114.ld)
+    endif()
+endif()
+
+set_property(GLOBAL PROPERTY MBED_TARGET_LINKER_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${LINKER_FILE})
+
+target_include_directories(mbed-core
+    INTERFACE
+        .
+        device
+)
+
+target_sources(mbed-core
+    INTERFACE
+        analogin_api.c
+        gpio_api.c
+        gpio_irq_api.c
+        i2c_api.c
+        pinmap.c
+        port_api.c
+        pwmout_api.c
+        serial_api.c
+        sleep.c
+        spi_api.c
+        us_ticker.c
+
+        device/cmsis_nvic.c
+        ${STARTUP_FILE}
+)