diff --git a/src/flash/nor/psoc6.c b/src/flash/nor/psoc6.c
index 859b3e9ec..47f3ac698 100644
--- a/src/flash/nor/psoc6.c
+++ b/src/flash/nor/psoc6.c
@@ -223,6 +223,8 @@ static int ipc_poll_lock_stat(struct target *target, uint32_t ipc_id, bool lock_
 {
 	int hr;
 	uint32_t reg_val;
+	struct armv7m_common *armv7m = target_to_armv7m(target);
+	bool is_cm0 = (armv7m->arm.arch == ARM_ARCH_V6M);
 
 	struct timeout to;
 	timeout_init(&to, IPC_TIMEOUT_MS);
@@ -244,7 +246,7 @@ static int ipc_poll_lock_stat(struct target *target, uint32_t ipc_id, bool lock_
 			return ERROR_OK;
 	}
 
-	if (target->coreid) {
+	if (!is_cm0) {
 		LOG_WARNING("SROM API calls via CM4 target are supported on single-core PSoC6 devices only. "
 			"Please perform all Flash-related operations via CM0+ target on dual-core devices.");
 	}
@@ -886,7 +888,8 @@ static int handle_reset_halt(struct target *target)
 {
 	int hr;
 	uint32_t reset_addr;
-	bool is_cm0 = (target->coreid == 0);
+	struct armv7m_common *armv7m = target_to_armv7m(target);
+	bool is_cm0 = (armv7m->arm.arch == ARM_ARCH_V6M);
 
 	/* Halt target device */
 	if (target->state != TARGET_HALTED) {
diff --git a/tcl/target/psoc6.cfg b/tcl/target/psoc6.cfg
index d69515cdf..52b04f569 100644
--- a/tcl/target/psoc6.cfg
+++ b/tcl/target/psoc6.cfg
@@ -113,7 +113,7 @@ proc psoc6_deassert_post { target } {
 }
 
 if { $_ENABLE_CM0 } {
-	target create ${TARGET}.cm0 cortex_m -dap $_CHIPNAME.dap -ap-num 1 -coreid 0
+	target create ${TARGET}.cm0 cortex_m -dap $_CHIPNAME.dap -ap-num 1
 	${TARGET}.cm0 configure -work-area-phys $_WORKAREAADDR_CM0 -work-area-size $_WORKAREASIZE_CM0 -work-area-backup 0
 
 	flash bank main_flash_cm0		psoc6 0x10000000 0 0 0 ${TARGET}.cm0
@@ -128,7 +128,7 @@ if { $_ENABLE_CM0 } {
 }
 
 if { $_ENABLE_CM4 } {
-	target create ${TARGET}.cm4 cortex_m -dap $_CHIPNAME.dap -ap-num 2 -coreid 1
+	target create ${TARGET}.cm4 cortex_m -dap $_CHIPNAME.dap -ap-num 2
 	${TARGET}.cm4 configure -work-area-phys $_WORKAREAADDR_CM4 -work-area-size $_WORKAREASIZE_CM4 -work-area-backup 0
 
 	flash bank main_flash_cm4		psoc6 0x10000000 0 0 0 ${TARGET}.cm4