drivers: jtag: refactor npcm4xx jtag driver

refactor npcm4xx jtag driver 1. add jtag driver from soc. 1. use dts to setup jtag gpio setting. shell command: ir_scan 0x8 0x16 dr_scan 0x20 0xffffffff read lattice LC4128 device id ok. Signed-off-by: cpchiang <[email protected]>
Nuvoton-Israel · Sep 7, 2023 · cb2c743 · cb2c743
1 parent 2f5fe91
commit cb2c743
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Showing 17 changed files with 1,403 additions and 458 deletions.
diff --git a/boards/arm/npcm400f_evb/npcm400f_evb.dts b/boards/arm/npcm400f_evb/npcm400f_evb.dts
@@ -220,3 +220,11 @@
 &usbd0 {
 	status = "okay";
 };
+
+&jtag1 {
+	tck-gpios = <&gpiof 0 (GPIO_PUSH_PULL | GPIO_ACTIVE_HIGH)>;
+	tdi-gpios = <&gpiof 1 (GPIO_PUSH_PULL | GPIO_ACTIVE_HIGH)>;
+	tdo-gpios = <&gpiof 2 (GPIO_ACTIVE_HIGH)>;
+	tms-gpios = <&gpiof 3 (GPIO_PUSH_PULL | GPIO_ACTIVE_HIGH)>;
+	status = "okay";
+};
diff --git a/boards/arm/npcm400f_evb/npcm400f_evb_defconfig b/boards/arm/npcm400f_evb/npcm400f_evb_defconfig
@@ -99,3 +99,8 @@ CONFIG_SPIP_NPCM4XX=y
 # USB Driver
 CONFIG_USB=y
 CONFIG_USB_DC_NPCM4XX=y
+
+# JTAG Driver
+CONFIG_JTAG=y
+CONFIG_JTAG_SHELL=y
+CONFIG_JTAG_NPCM4XX=y
diff --git a/drivers/CMakeLists.txt b/drivers/CMakeLists.txt
@@ -59,3 +59,4 @@ add_subdirectory_ifdef(CONFIG_NEURAL_NET_ACCEL neural_net)
 add_subdirectory_ifdef(CONFIG_PTP_CLOCK        ptp_clock)
 add_subdirectory_ifdef(CONFIG_EDAC             edac)
 add_subdirectory_ifdef(CONFIG_CACHE_MANAGEMENT cache)
+add_subdirectory_ifdef(CONFIG_JTAG		jtag)
diff --git a/drivers/Kconfig b/drivers/Kconfig
@@ -119,4 +119,6 @@ source "drivers/disk/Kconfig"
 
 source "drivers/cache/Kconfig"
 
+source "drivers/jtag/Kconfig"
+
 endmenu
diff --git a/drivers/jtag/CMakeLists.txt b/drivers/jtag/CMakeLists.txt
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library()
+
+zephyr_library_sources_ifdef(CONFIG_JTAG_SHELL		jtag_shell.c)
+zephyr_library_sources_ifdef(CONFIG_JTAG_NPCM4XX	jtag_npcm4xx.c)
diff --git a/drivers/jtag/Kconfig b/drivers/jtag/Kconfig
@@ -0,0 +1,29 @@
+# JTAG configuration options
+
+# Copyright (c) 2023 Zephyr
+# SPDX-License-Identifier: Apache-2.0
+
+#
+# JTAG options
+#
+menuconfig JTAG
+	bool "JTAG drivers"
+	help
+	  Enable JTAG driver configuration.
+
+if JTAG
+
+config JTAG_SHELL
+	bool "Enable JTAG Shell"
+	default y
+	depends on SHELL
+	help
+	  Enable JTAG Shell for testing.
+
+module = JTAG
+module-str = JTAG
+source "subsys/logging/Kconfig.template.log_config"
+
+source "drivers/jtag/Kconfig.npcm4xx"
+
+endif
diff --git a/drivers/jtag/Kconfig.npcm4xx b/drivers/jtag/Kconfig.npcm4xx
@@ -0,0 +1,12 @@
+# NPCM4XX JTAG driver configuration options
+
+# Copyright (c) 2023 Nuvoton Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config JTAG_NPCM4XX
+	bool "NPCM4XX JTAG driver"
+	depends on SOC_FAMILY_NPCM4XX
+	help
+	  This option enables the JTAG driver for NPCM4XX family of
+	  processors.
+	  Say y if you wish to use JTAG channels on NPCM4XX MCU.