SPM: Remove SPM and its secure services

Remove the Secure Partition Manager (SPM) and the secure services its
exposed.
Remove all sample support for using the SPM.

NCSDK-18315

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>

.github/test-spec.yml

@@ -107,7 +107,6 @@
   - "include/fprotect.h"
   - "include/fw_info.*"
   - "include/mgmt/*"
-  - "include/spm.h"
   - "include/dfu/**/*"
   - "include/net/**/*"
   - "cmake/*"
@@ -126,7 +125,6 @@
   - "subsys/fw_info/**/*"
   - "subsys/mgmt/**/*"
   - "subsys/pcd/*"
-  - "subsys/spm/*"
   - "subsys/net/lib/*fota*/**/*"
   - "subsys/net/lib/download_client/**/*"
   - "tests/subsys/bootloader/**/*"
@@ -148,7 +146,6 @@
   - "subsys/bootloader/**/*"
   - "subsys/partition_manager/**/*"
   - "tests/modules/tfm"
-  - "tests/subsys/spm/secure_services/**/*"
   - "tests/tfm/**/*"
 
 "CI-ble-test":

CODEOWNERS

@@ -150,7 +150,6 @@ Kconfig*                                  @tejlmand
 /samples/nrf9160/modem_shell/             @trantanen @hiltunent @jhirsi @tokangas
 /samples/nrf9160/nrf_cloud_*              @plskeggs @jayteemo @glarsennordic
 /samples/nrf9160/modem_trace_flash/       @gregersrygg @balaji-nordic
-/samples/spm/                             @lemrey @hakonfam @SebastianBoe
 /samples/openthread/                      @rlubos @edmont @canisLupus1313 @mariuszpos
 /samples/nrf_profiler/                    @pdunaj
 /samples/peripheral/radio_test/           @KAGA164 @maje-emb
@@ -211,7 +210,6 @@ Kconfig*                                  @tejlmand
 /subsys/pcd/                              @hakonfam
 /subsys/nrf_profiler/                     @pdunaj
 /subsys/shell/                            @nordic-krch
-/subsys/spm/                              @SebastianBoe
 /subsys/nonsecure/                        @SebastianBoe
 /modules/                                 @tejlmand
 /modules/tfm/                             @SebastianBoe @joerchan
@@ -266,7 +264,6 @@ Kconfig*                                  @tejlmand
 /tests/subsys/partition_manager/region/   @hakonfam @sigvartmh
 /tests/subsys/pcd/                        @hakonfam @sigvartmh
 /tests/subsys/nrf_profiler/               @pdunaj @MarekPieta
-/tests/subsys/spm/                        @oyvindronningstad @SebastianBoe
 /tests/subsys/zigbee/                     @tomchy @sebastiandraus
 /tests/tfm/                               @SebastianBoe @joerchan @torsteingrindvik @magnev
 /tests/unity/                             @nordic-krch

Kconfig.nrf

@@ -57,7 +57,7 @@ config NET_SOCKETS_OFFLOAD_TLS
 #  - For CC3XX RNG
 config MAIN_STACK_SIZE
 	default 2048 if ZTEST
-	default 2048 if ENTROPY_CC3XX && !(SPM || BUILD_WITH_TFM)
+	default 2048 if ENTROPY_CC3XX && !BUILD_WITH_TFM
 
 config ZTEST_STACK_SIZE
 	default 2048 if ZTEST
@@ -73,22 +73,18 @@ config MCUMGR_BUF_SIZE
 config BT_BUF_CMD_TX_COUNT
 	default 10 if SOC_NRF5340_CPUAPP || SOC_NRF5340_CPUNET
 
-# Set ENTROPY_GENERATOR to true for TF-M or SPM builds with enabled
+# Set ENTROPY_GENERATOR to true for TF-M builds with enabled
 # RNG provided from secure services.
 config ENTROPY_GENERATOR
-	default y if BUILD_WITH_TFM || (SPM && SPM_SECURE_SERVICES)
+	default y if BUILD_WITH_TFM
 
 config INIT_ARCH_HW_AT_BOOT
-	default n if SPM
 	default y
 	help
 	  The image will be booted directly by an unknown image which might not
 	  leave the system in a clean state, so it is necessary to perform
 	  architecture specific hardware initialization.
 
-config LINKER_LAST_SECTION_ID
-	default n if IS_SPM
-
 DT_COMPAT_NORDIC_QSPI_NOR := nordic,qspi-nor
 config NORDIC_QSPI_NOR
 	default y if $(dt_compat_on_bus,$(DT_COMPAT_NORDIC_QSPI_NOR),qspi) && PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY && !SPI_NOR

boards/arm/thingy91_nrf9160/CMakeLists.txt

@@ -12,7 +12,6 @@ endif()
 if(CONFIG_BOARD_THINGY91_NRF9160_NS)
 	# If TF-M is used, the ADP5360 configuration must be done in non-secure
 	# as we can't instruct TF-M to run it.
-	# If SPM is used instead, it will run the ADP5360 configuration in secure.
 	if(CONFIG_BUILD_WITH_TFM)
 		zephyr_library()
 		zephyr_library_sources(adp5360_init.c)
@@ -21,9 +20,7 @@ if(CONFIG_BOARD_THINGY91_NRF9160_NS)
 	# Use static partition layout to ensure the partition layout remains
 	# unchanged after DFU. This needs to be made globally available
 	# because it is used in other CMake files.
-	if (CONFIG_SPM)
-		set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_LIST_DIR}/thingy91_pm_static_spm.yml CACHE INTERNAL "")
-	elseif(CONFIG_LWM2M_CARRIER)
+	if(CONFIG_LWM2M_CARRIER)
 		set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_LIST_DIR}/thingy91_pm_static_lwm2m_carrier.yml CACHE INTERNAL "")
 	else()
 		set(PM_STATIC_YML_FILE ${CMAKE_CURRENT_LIST_DIR}/thingy91_pm_static.yml CACHE INTERNAL "")