diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.board b/boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.apollo4p_blue_kxr_evb
similarity index 61%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.board
rename to boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.apollo4p_blue_kxr_evb
index 0ae2283f97d..09de003fc14 100644
--- a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.board
+++ b/boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.apollo4p_blue_kxr_evb
@@ -3,5 +3,4 @@
 # Copyright (c) 2023 Ambiq Micro Inc. <www.ambiq.com>
 
 config BOARD_APOLLO4P_BLUE_KXR_EVB
-	bool "Ambiq Apollo4 Blue Plus KXR Evaluation Board"
-	depends on SOC_APOLLO4P_BLUE
+	select SOC_APOLLO4P_BLUE
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.defconfig b/boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.defconfig
similarity index 86%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.defconfig
rename to boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.defconfig
index 1edc7b5581b..87e1c5a8764 100644
--- a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/Kconfig.defconfig
+++ b/boards/ambiq/apollo4p_blue_kxr_evb/Kconfig.defconfig
@@ -2,9 +2,7 @@
 #
 # Copyright (c) 2023 Ambiq Micro Inc. <www.ambiq.com>
 
-config BOARD
-	default "apollo4p_blue_kxr_evb"
-	depends on BOARD_APOLLO4P_BLUE_KXR_EVB
+if BOARD_APOLLO4P_BLUE_KXR_EVB
 
 if BT
 
@@ -36,3 +34,5 @@ config BT_L2CAP_TX_MTU
 	default 247
 
 endif # BT
+
+endif # BOARD_APOLLO4P_BLUE_KXR_EVB
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi b/boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi
rename to boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts b/boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts
rename to boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.yaml b/boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.yaml
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.yaml
rename to boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.yaml
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig b/boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig
similarity index 76%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig
rename to boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig
index 4c940d417fd..5f556803e52 100644
--- a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig
+++ b/boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb_defconfig
@@ -2,8 +2,6 @@
 #
 # Copyright (c) 2023 Ambiq Micro Inc. <www.ambiq.com>
 
-CONFIG_SOC_SERIES_APOLLO4X=y
-CONFIG_SOC_APOLLO4P_BLUE=y
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/board.cmake b/boards/ambiq/apollo4p_blue_kxr_evb/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/board.cmake
rename to boards/ambiq/apollo4p_blue_kxr_evb/board.cmake
diff --git a/boards/ambiq/apollo4p_blue_kxr_evb/board.yml b/boards/ambiq/apollo4p_blue_kxr_evb/board.yml
new file mode 100644
index 00000000000..b6b4f5ea9fc
--- /dev/null
+++ b/boards/ambiq/apollo4p_blue_kxr_evb/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: apollo4p_blue_kxr_evb
+  vendor: Ambiq
+  socs:
+  - name: apollo4p_blue
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/doc/apollo4-blue-plus-kxr-soc-eval-board.jpg b/boards/ambiq/apollo4p_blue_kxr_evb/doc/apollo4-blue-plus-kxr-soc-eval-board.jpg
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/doc/apollo4-blue-plus-kxr-soc-eval-board.jpg
rename to boards/ambiq/apollo4p_blue_kxr_evb/doc/apollo4-blue-plus-kxr-soc-eval-board.jpg
diff --git a/boards/boards_legacy/arm/apollo4p_blue_kxr_evb/doc/index.rst b/boards/ambiq/apollo4p_blue_kxr_evb/doc/index.rst
similarity index 100%
rename from boards/boards_legacy/arm/apollo4p_blue_kxr_evb/doc/index.rst
rename to boards/ambiq/apollo4p_blue_kxr_evb/doc/index.rst