More Kconfig stuff

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4623 42af7a65-404d-4744-a932-0658087f49c3

arch/avr/Kconfig

@@ -2,3 +2,80 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+if ARCH_AVR
+choice
+	prompt "Atmel AVR chip selection"
+	default ARCH_CHIP_AT32UC3B0256
+
+config ARCH_CHIP_ATMEGA128
+	bool "ATMega128"
+	---help---
+		Atmel ATMega128 8-bit AVR.
+
+config ARCH_CHIP_AT90USB646
+	bool "AT90USB646"
+	---help---
+		Atmel AT90USB646 8-bit AVR.
+
+config ARCH_CHIP_AT90USB647
+	bool "AT90USB647"
+	---help---
+		Atmel AT90USB647 8-bit AVR.
+
+config ARCH_CHIP_AT90USB1286
+	bool "AT90USB1286"
+	---help---
+		Atmel AT90USB1286 8-bit AVR.
+
+config ARCH_CHIP_AT90USB1287
+	bool "AT90USB1287"
+	---help---
+		Atmel AT90USB1287 8-bit AVR.
+
+config ARCH_CHIP_AT32UC3B0256
+	bool "AT32UC3B0256"
+	---help---
+		Atmel AT32UC3B0256 32-bit AVR32.
+
+endchoice
+
+config ARCH_FAMILY_AVR
+	bool
+	default y			if ARCH_CHIP_ATMEGA128 || ARCH_CHIP_AT90USB646 || ARCH_CHIP_AT90USB647 || ARCH_CHIP_AT90USB1286 || ARCH_CHIP_AT90USB1287
+
+config ARCH_FAMILY_AVR32
+	bool
+	default y			if ARCH_CHIP_AT32UC3B0256
+
+config ARCH_FAMILY
+	string
+	default "avr"		if ARCH_FAMILY_AVR
+	default "avr32"		if ARCH_FAMILY_AVR32
+
+config ARCH_ATMEGA
+	bool
+	default y			if ARCH_CHIP_ATMEGA128
+
+config ARCH_AT90USB
+	bool
+	default y			if ARCH_CHIP_AT90USB646 || ARCH_CHIP_AT90USB647 || ARCH_CHIP_AT90USB1286 || ARCH_CHIP_AT90USB1287
+
+config ARCH_AT32UC3
+	bool
+	default y			if ARCH_CHIP_AT32UC3B0256
+
+config ARCH
+	string
+	default "atmega"	if ARCH_ATMEGA
+	default "at90usb"	if ARCH_AT90USB
+	default "at32uc3"	if ARCH_AT32UC3
+
+source arch/avr/src/common/Kconfig
+source arch/avr/src/avr/Kconfig
+source arch/avr/src/at90usb/Kconfig
+source arch/avr/src/atmega/Kconfig
+source arch/avr/src/avr32/Kconfig
+source arch/avr/src/at32uc3/Kconfig
+
+endif

arch/avr/src/at32uc3/Kconfig

@@ -0,0 +1,7 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_AT32UC3
+endif

arch/avr/src/at90usb/Kconfig

@@ -0,0 +1,7 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_AT90USB
+endif

arch/avr/src/atmega/Kconfig

@@ -0,0 +1,8 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_ATMEGA
+endif
+

arch/avr/src/avr/Kconfig

@@ -0,0 +1,7 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_FAMILY_AVR
+endif

arch/avr/src/avr32/Kconfig

@@ -0,0 +1,7 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_FAMILY_AVR32
+endif

arch/avr/src/common/Kconfig

@@ -0,0 +1,7 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+if ARCH_AVR
+endif

arch/sh/src/m16c/m16c_head.S

@@ -158,7 +158,7 @@ _g_heapbase:
  ************************************************************************************/
 
 /************************************************************************************
- * Name: _start
+ * Name: __start
  *
  * Description:
  *   After reset, program execution starts here.

include/nuttx/watchdog.h

@@ -216,6 +216,10 @@ extern "C" {
  *   When this function is called, the "lower half" driver should be in the
  *   disabled state (as if the stop() method had already been called).
  *
+ *   NOTE:  Normally, this function would not be called by application code.
+ *   Rather it is called indirectly through the architecture-specific
+ *   interface up_wdginitialize() described below.
+ *
  * Input parameters:
  *   dev path - The full path to the driver to be registers in the NuttX
  *     pseudo-filesystem.  The recommended convention is to name all watchdog
@@ -255,6 +259,31 @@ EXTERN void watchdog_unregister(FAR void *handle);
  * Platform-Independent "Lower-Half" Watchdog Driver Interfaces
  ****************************************************************************/
 
+/****************************************************************************
+ * Architecture-specific Application Interfaces
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_wdginitialize()
+ *
+ * Description:
+ *   Perform architecture-specific initialization of the Watchdog hardware.
+ *   This interface should be provided by all configurations using
+ *   to avoid exposed platform-dependent logic.
+ * 
+ *   At a minimum, this function should all watchdog_register() which is
+ *   described above.
+ *
+ * Input parameters:
+ *   None
+ *
+ * Returned Value:
+ *   Zero on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+EXTERN int up_wdginitialize(void);
+
 #undef EXTERN
 #ifdef __cplusplus
 }