Add ATMega128 configuration

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3695 42af7a65-404d-4744-a932-0658087f49c3

arch/avr/src/at90usb/at90usb_lowconsole.c

@@ -144,13 +144,19 @@
 #ifdef HAVE_USART_DEVICE
 void usart1_reset(void)
 {
+  /* Clear USART configuration */
+
   UCSR1A = 0;
   UCSR1B = 0;
   UCSR1C = 0;
 
-  DDRD  &= ~(1 << 3);  
+  /* Unconfigure pins */
+
+  DDRD  &= ~(1 << 3);
   PORTD &= ~(1 << 2);
-        
+
+  /* Unconfigure BAUD divisor */
+  
   UBRR1  = 0;
 }
 #endif
@@ -214,10 +220,20 @@ void usart1_configure(void)
   UCSR1B = ucsr1b;
   UCSR1C = ucsr1c;
 
-  /* Configure pin */
+  /* Pin Configuration: None necessary, Port D bits 2&3 are automatically
+   * configured:
+   *
+   *   Port D, Bit 2: RXD1, Receive Data (Data input pin for the USART1). When
+   *     the USART1 receiver is enabled this pin is configured as an input
+   *     regardless of the value of DDD2. When the USART forces this pin to
+   *     be an input, the pull-up can still be controlled by the PORTD2 bit.
+   *   Port D, Bit 3: TXD1, Transmit Data (Data output pin for the USART1).
+   *     When the USART1 Transmitter is enabled, this pin is configured as
+   *     an output regardless of the value of DDD3.
+   */
 
-  DDRD  |= (1 << 3);  
+  DDRD  |= (1 << 3);   /* Force Port D pin 3 to be an output */
-  PORTD |= (1 << 2);
+  PORTD |= (1 << 2);   /* Set pull-up on port D pin 2 */
 
   /* Set the baud rate divisor */
 

arch/avr/src/atmega/atmega_config.h

@@ -33,8 +33,8 @@
  *
  ************************************************************************************/
 
-#ifndef __ARCH_AVR_SRC_AT90USB_AT90USB_CONFIG_H
+#ifndef __ARCH_AVR_SRC_ATMEGA_ATMEGA_CONFIG_H
-#define __ARCH_AVR_SRC_AT90USB_AT90USB_CONFIG_H
+#define __ARCH_AVR_SRC_ATMEGA_ATMEGA_CONFIG_H
 
 /************************************************************************************
  * Included Files
@@ -80,5 +80,5 @@
  * Public Functions
  ************************************************************************************/
 
-#endif /* __ARCH_AVR_SRC_AT90USB_AT90USB_CONFIG_H */
+#endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_CONFIG_H */
 

arch/avr/src/atmega/atmega_exceptions.S

@@ -49,7 +49,7 @@
 
 	.file	"atmega_exceptions.S"
 	.global	up_doirq
-	.gloal	up_fullcontextrestore
+	.global	up_fullcontextrestore
 
 /********************************************************************************************
  * Macros

arch/avr/src/atmega/atmega_lowconsole.c

@@ -58,10 +58,10 @@
 /* USART0 Baud rate settings for normal and double speed settings  */
 
 #define AVR_NORMAL_UBRR0 \
-  ((((BOARD_CPU_CLOCK / 16) + (CONFIG_USART0_BAUD / 2)) / (CONFIG_USART0_BAUD)) - 1)
+  (((((BOARD_CPU_CLOCK / 16) + (CONFIG_USART0_BAUD / 2)) / (CONFIG_USART0_BAUD)) - 1)
 
 #define AVR_DBLSPEED_UBRR0 \
-  ((((BOARD_CPU_CLOCK / 8) + (CONFIG_USART0_BAUD / 2)) / (CONFIG_USART0_BAUD)) - 1)
+  (((((BOARD_CPU_CLOCK / 8) + (CONFIG_USART0_BAUD / 2)) / (CONFIG_USART0_BAUD)) - 1)
 
 /* Select normal or double speed baud settings.  This is a trade-off between the
  * sampling rate and the accuracy of the divisor for high baud rates.
@@ -111,10 +111,10 @@
 /* USART1 Baud rate settings for normal and double speed settings  */
 
 #define AVR_NORMAL_UBRR1 \
-  (((BOARD_CPU_CLOCK / 16) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
+  ((((BOARD_CPU_CLOCK / 16) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
 
 #define AVR_DBLSPEED_UBRR1 \
-  (((BOARD_CPU_CLOCK / 8) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
+  ((((BOARD_CPU_CLOCK / 8) + (CONFIG_USART1_BAUD / 2)) / (CONFIG_USART1_BAUD)) - 1)
 
 /* Select normal or double speed baud settings.  This is a trade-off between the
  * sampling rate and the accuracy of the divisor for high baud rates.
@@ -196,27 +196,42 @@
 #ifdef CONFIG_ATMEGA_USART0
 void usart0_reset(void)
 {
+  /* Clear USART configuration */
+
   UCSR0A = 0;
   UCSR0B = 0;
   UCSR0C = 0;
 
-# warning "Missing logic"
+  /* Unconfigure pins (no action needed */
 
-  UBRR0  = 0;
+  DDRE  &= ~(1 << 1);
+  PORTE &= ~(1 << 0);
+
+  /* Unconfigure BAUD divisor */
+
+  UBRR0H = 0;
+  UBRR0L = 0;
 }
 #endif
 
 #ifdef CONFIG_ATMEGA_USART1
 void usart1_reset(void)
 {
+  /* Clear USART configuration */
+
   UCSR1A = 0;
   UCSR1B = 0;
   UCSR1C = 0;
 
-  DDRD  &= ~(1 << 3);  
+  /* Unconfigure pins */
+
+  DDRD  &= ~(1 << 3);
   PORTD &= ~(1 << 2);
-        
+
-  UBRR1  = 0;
+  /* Unconfigure BAUD divisor */
+
+  UBRR1H = 0;
+  UBRR1L = 0;
 }
 #endif
 
@@ -279,13 +294,28 @@ void usart0_configure(void)
   UCSR0B = ucsr0b;
   UCSR0C = ucsr0c;
 
-  /* Configure pin */
+  /* Pin Configuration: None necessary, Port E bits 0&1 are automatically
+   * configured:
+   *
+   * Port E, Bit 0: RXD0, USART0 Receive Pin. Receive Data (Data input pin
+   *   for the USART0). When the USART0 receiver is enabled this pin is
+   *   configured as an input regardless of the value of DDRE0. When the
+   *   USART0 forces this pin to be an input, a logical one in PORTE0 will
+   *   turn on the internal pull-up.
+   *
+   * Port E, Bit 1: TXD0, UART0 Transmit pin.
+   *
+   * REVISIT: According to table 41, TXD0 is also automatically configured.
+   * However, this is not explicitly stated in the text.
+   */
 
-#warning "Missing logic"
+  DDRE  |= (1 << 1);   /* Force Port E pin 1 to be an input */
+  PORTE |= (1 << 0);   /* Set pull-up on Port E pin 0 */
 
   /* Set the baud rate divisor */
 
-  UBRR0  = AVR_UBRR0;
+  UBRR0H = AVR_UBRR1 >> 8;
+  UBRR0L = AVR_UBRR1 & 0xff;
 }
 #endif
 
@@ -340,14 +370,25 @@ void usart1_configure(void)
   UCSR1B = ucsr1b;
   UCSR1C = ucsr1c;
 
-  /* Configure pin */
+  /* Pin Configuration: None necessary, Port D bits 2&3 are automatically
+   * configured:
+   *
+   *   Port D, Bit 2: RXD1, Receive Data (Data input pin for the USART1). When
+   *     the USART1 receiver is enabled this pin is configured as an input
+   *     regardless of the value of DDD2. When the USART forces this pin to
+   *     be an input, the pull-up can still be controlled by the PORTD2 bit.
+   *   Port D, Bit 3: TXD1, Transmit Data (Data output pin for the USART1).
+   *     When the USART1 Transmitter is enabled, this pin is configured as
+   *     an output regardless of the value of DDD3.
+   */
 
-  DDRD  |= (1 << 3);  
+  DDRD  |= (1 << 3);   /* Force Port D pin 3 to be an output */
-  PORTD |= (1 << 2);
+  PORTD |= (1 << 2);   /* Set pull-up on port D pin 2 */
 
   /* Set the baud rate divisor */
 
-  UBRR1  = AVR_UBRR1;
+  UBRR1H = AVR_UBRR1 >> 8;
+  UBRR1L = AVR_UBRR1 & 0xff;
 }
 #endif
 

arch/avr/src/atmega/atmega_timerisr.c

@@ -177,5 +177,5 @@ void up_timerinit(void)
 
   /* Enable the interrupt on compare match A */
 
-  TIMSK1 |= (1 << OCIE1A);
+  TIMSK |= (1 << OCIE1A);
 }

arch/avr/src/avr/up_irq.c

@@ -38,7 +38,6 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#include "at90usb_config.h"
 
 #include <stdint.h>
 #include <errno.h>

configs/amber/README.txt

@@ -26,6 +26,19 @@ Contents
 Amber Web Server Features
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+   o  17.56MHz ATmega128 Atmel 8bit AVR RISC Processor
+   o  128Kbyte Flash
+   o  64Kbyte RAM
+   o  10BaseT Ethernet Port
+   o  High Speed Serial Port
+   o  8Ch 10bit Analog Input port
+   o  16 Digital IO ports
+   o  Expansion bus for daughter cards
+   o  LED status indicators
+   o  ISP Programming port
+   o  7-14VDC input
+   o  Power via Ethernet port
+
 Toolchains
 ^^^^^^^^^^
 
@@ -189,6 +202,7 @@ Build Notes:
      cd avr-lib-1.7.1
 
   3. Configure avr-lib.  Assuming that WinAVR is installed at the following
+     loction:
 
      export PATH=/cygdrive/c/WinAVR/bin:$PATH
      ./configure --build=`./config.guess` --host=avr
@@ -287,32 +301,29 @@ Amber Web Server Configuration Options
 	   CONFIG_AVR_INT5=n
 	   CONFIG_AVR_INT6=n
 	   CONFIG_AVR_INT7=n
-	   CONFIG_AVR_USBHOST=n
-	   CONFIG_AVR_USBDEV=n
-	   CONFIG_AVR_WDT=n
 	   CONFIG_AVR_TIMER0=n
 	   CONFIG_AVR_TIMER1=n
 	   CONFIG_AVR_TIMER2=n
 	   CONFIG_AVR_TIMER3=n
 	   CONFIG_AVR_SPI=n
-	   CONFIG_AVR_UART0=y
+	   CONFIG_AVR_USART0=y
-	   CONFIG_AVR_UART1=n
+	   CONFIG_AVR_USART1=n
-	   CONFIG_AVR_ANACOMP=n
 	   CONFIG_AVR_ADC=n
+	   CONFIG_AVR_ANACOMP=n
 	   CONFIG_AVR_TWI=n
 
   ATMEGA specific device driver settings
 
-	CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
+	CONFIG_USARTn_SERIAL_CONSOLE - selects the USARTn for the
-	   console and ttys0 (default is the UART0).
+	   console and ttys0 (default is the USART0).
-	CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
+	CONFIG_USARTn_RXBUFSIZE - Characters are buffered as received.
 	   This specific the size of the receive buffer
-	CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
+	CONFIG_USARTn_TXBUFSIZE - Characters are buffered before
 	   being sent.  This specific the size of the transmit buffer
-	CONFIG_UARTn_BAUD - The configure BAUD of the UART.  Must be
+	CONFIG_USARTn_BAUD - The configure BAUD of the USART.  Must be
-	CONFIG_UARTn_BITS - The number of bits.  Must be either 7 or 8.
+	CONFIG_USARTn_BITS - The number of bits.  Must be either 7 or 8.
-	CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
+	CONFIG_USARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
-	CONFIG_UARTn_2STOP - Two stop bits
+	CONFIG_USARTn_2STOP - Two stop bits
 
 Configurations
 ^^^^^^^^^^^^^^

configs/amber/include/board.h

@@ -0,0 +1,93 @@
+/****************************************************************************
+ * configs/amber/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __CONFIGS_AMBER_INCLUDE_BOARD_H
+#define __CONFIGS_AMBER_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+/* Clocking *****************************************************************/
+
+#define BOARD_CPU_CLOCK        8000000 /* 8MHz */
+
+/* LED definitions **********************************************************/
+
+#define LED_STARTED            0
+#define LED_HEAPALLOCATE       1
+#define LED_IRQSENABLED        2
+#define LED_STACKCREATED       3
+#define LED_INIRQ              4
+#define LED_SIGNAL             5
+#define LED_ASSERTION          6
+#define LED_PANIC              7
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIGS_AMBER_INCLUDE_BOARD_H */

configs/amber/ostest/Make.defs

@@ -0,0 +1,149 @@
+############################################################################
+# configs/amber/ostest/Make.defs
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+include ${TOPDIR}/.config
+
+# Setup for the selected toolchain
+
+ifeq ($(CONFIG_AVR_WINAVR),y)
+  # WinAVR toolchain under Windows/Cygwin
+  CROSSDEV = avr-
+  WINTOOL = y
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mmcu=atmega128
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+
+ifeq ($(CONFIG_AVR_LINUXGCC),y)
+  # GCC toolchain under Linux
+  CROSSDEV = avr-
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mmcu=atmega128
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+
+ifeq ($(CONFIG_AVR_BUILDROOT),y)
+  # NuttX buildroot GCC toolchain under Linux or Cygwin
+  CROSSDEV = avr-elf-
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mmcu=atmega128
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
+  ARCHXXINCLUDES = $(ARCHINCLUDES) -w $(TOPDIR)/include/cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script}"
+else
+  # Linux/Cygwin-native toolchain 
+  MKDEP = $(TOPDIR)/tools/mkdeps.sh
+  ARCHINCLUDES = -I. -isystem "$(TOPDIR)/include"
+  ARCHXXINCLUDES =  $(ARCHINCLUDES) -isystem "$(TOPDIR)/include/cxx"
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
+  ARCHOPTIMIZATION = -g
+else
+  ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX = -Wall -Wshadow
+ARCHDEFINES =
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+define PREPROCESS
+	@echo "CPP: $1->$2"
+	@$(CPP) $(CPPFLAGS) $1 -o $2
+endef
+
+define COMPILE
+	@echo "CC: $1"
+	@$(CC) -c $(CFLAGS) $1 -o $2
+endef
+
+define COMPILEXX
+	@echo "CXX: $1"
+	@$(CXX) -c $(CXXFLAGS) $1 -o $2
+endef
+
+define ASSEMBLE
+	@echo "AS: $1"
+	@$(CC) -c $(AFLAGS) $1 -o $2
+endef
+
+define ARCHIVE
+	echo "AR: $2"; \
+	$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
+endef
+
+define CLEAN
+	@rm -f *.o *.a
+endef
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
+

configs/amber/ostest/appconfig

@@ -0,0 +1,39 @@
+############################################################################
+# configs/amber/ostest/appconfig
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+# Path to example in apps/examples containing the user_start entry point
+
+CONFIGURED_APPS += examples/ostest
+

configs/amber/ostest/ld.script

@@ -0,0 +1,202 @@
+/****************************************************************************
+ * configs/amber/ostest/ld.script
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *	notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *	notice, this list of conditions and the following disclaimer in
+ *	the documentation and/or other materials provided with the
+ *	distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *	used to endorse or promote products derived from this software
+ *	without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+/* Memory Regions ***********************************************************/
+
+MEMORY
+{
+	flash    (rx) : ORIGIN = 0, LENGTH = 128K
+	sram   (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0
+	eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
+}
+
+OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
+OUTPUT_ARCH(avr:5)
+ENTRY(__start)
+
+SECTIONS
+{
+	/* Read-only sections, merged into text segment: */
+
+	.hash			: { *(.hash) }
+	.dynsym			: { *(.dynsym) }
+	.dynstr			: { *(.dynstr) }
+	.gnu.version	: { *(.gnu.version) }
+	.gnu.version_d	: { *(.gnu.version_d) }
+	.gnu.version_r	: { *(.gnu.version_r) }
+	.rel.init		: { *(.rel.init) }
+	.rela.init		: { *(.rela.init) }
+
+	.rel.text		:
+		{
+			*(.rel.text)
+			*(.rel.text.*)
+			*(.rel.gnu.linkonce.t*)
+		}
+
+	.rela.text		:
+		{
+			*(.rela.text)
+			*(.rela.text.*)
+			*(.rela.gnu.linkonce.t*)
+		}
+
+	.rel.fini		: { *(.rel.fini) }
+	.rela.fini		: { *(.rela.fini) }
+
+	.rel.rodata		:
+		{
+			*(.rel.rodata)
+			*(.rel.rodata.*)
+			*(.rel.gnu.linkonce.r*)
+		}
+
+	.rela.rodata	:
+		{
+			*(.rela.rodata)
+			*(.rela.rodata.*)
+			*(.rela.gnu.linkonce.r*)
+		}
+
+	.rel.data		:
+		{
+			*(.rel.data)
+			*(.rel.data.*)
+			*(.rel.gnu.linkonce.d*)
+		}
+
+	.rela.data		:
+		{
+			*(.rela.data)
+			*(.rela.data.*)
+			*(.rela.gnu.linkonce.d*)
+		}
+
+	.rel.ctors		: { *(.rel.ctors) }
+	.rela.ctors		: { *(.rela.ctors) }
+	.rel.dtors		: { *(.rel.dtors) }
+	.rela.dtors		: { *(.rela.dtors) }
+	.rel.got		: { *(.rel.got) }
+	.rela.got		: { *(.rela.got) }
+	.rel.bss		: { *(.rel.bss) }
+	.rela.bss		: { *(.rela.bss) }
+	.rel.plt		: { *(.rel.plt) }
+	.rela.plt		: { *(.rela.plt) }
+
+	.text			:
+	{
+		_stext = . ;
+		*(.vectors)
+		*(.init)
+		*(.handlers)
+		*(.text)
+		*(.text.*)
+		_etext = . ;
+	} > flash
+
+	_eronly = ABSOLUTE(.);		/* See below										*/
+
+	.data			:
+	{
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss			:
+	{
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Global data not cleared after reset.	*/
+
+	.noinit			:
+	{
+		_snoinit = ABSOLUTE(.);
+		*(.noinit*)
+		_enoinit = ABSOLUTE(.);
+	}	> sram
+
+	.eeprom			:
+	{
+		_seeprom = ABSOLUTE(.);
+		*(.eeprom*)
+		_eeeprom = ABSOLUTE(.);
+	}	> eeprom
+
+	/* Stabs debugging sections.	*/
+
+	.stab 0				: { *(.stab) }
+	.stabstr 0			: { *(.stabstr) }
+	.stab.excl 0		: { *(.stab.excl) }
+	.stab.exclstr 0		: { *(.stab.exclstr) }
+	.stab.index 0		: { *(.stab.index) }
+	.stab.indexstr 0	: { *(.stab.indexstr) }
+	.comment 0			: { *(.comment) }
+
+	/* DWARF debug sections.
+		 Symbols in the DWARF debugging sections are relative to the beginning
+		 of the section so we begin them at 0.	*/
+
+	/* DWARF 1 */
+
+	.debug 0			: { *(.debug) }
+	.line 0				: { *(.line) }
+
+	/* GNU DWARF 1 extensions */
+
+	.debug_srcinfo 0	: { *(.debug_srcinfo) }
+	.debug_sfnames 0	: { *(.debug_sfnames) }
+
+	/* DWARF 1.1 and DWARF 2 */
+
+	.debug_aranges 0 	: { *(.debug_aranges) }
+	.debug_pubnames 0	: { *(.debug_pubnames) }
+
+	/* DWARF 2 */
+
+	.debug_info 0		: { *(.debug_info) *(.gnu.linkonce.wi.*) }
+	.debug_abbrev 0		: { *(.debug_abbrev) }
+	.debug_line 0		: { *(.debug_line) }
+	.debug_frame 0		: { *(.debug_frame) }
+	.debug_str 0		: { *(.debug_str) }
+	.debug_loc 0		: { *(.debug_loc) }
+	.debug_macinfo 0	: { *(.debug_macinfo) }
+}

configs/amber/ostest/setenv.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+# configs/amber/ostest/setenv.sh
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+if [ "$_" = "$0" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then
+  export PATH_ORIG="${PATH}"
+fi
+
+# This the Cygwin path to the location where I installed the WinAVR
+# toolchain under windows.  This is *not* the default install
+# location so you will probably have to edit this.  You will also have
+# to edit this if you install the Linux AVR toolchain as well
+#export TOOLCHAIN_BIN="/cygdrive/c/WinAVR/bin"
+
+# This the Cygwin path to the location where I build the buildroot
+# toolchain.
+export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_avr/staging_dir/bin"
+
+# Add the path to the toolchain to the PATH varialble
+export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"

configs/amber/src/Makefile

@@ -0,0 +1,97 @@
+############################################################################
+# configs/amber/src/Makefile
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/Make.defs
+
+ASRCS		= 
+CSRCS		= up_boot.c
+
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS		+= up_leds.c
+endif
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
+ifeq ($(CONFIG_ARCH_AVR32),y)
+ARCH_SUBDIR	= avr32
+endif
+ifeq ($(CONFIG_ARCH_AVR),y)
+ARCH_SUBDIR	= avr
+endif
+
+ifeq ($(WINTOOL),y)
+  CFLAGS	+= -I "${shell cygpath -w $(TOPDIR)/sched}"
+  CFLAGS	+= -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" 
+  CFLAGS	+= -I "${shell cygpath -w $(ARCH_SRCDIR)/common}" 
+  CFLAGS	+= -I "${shell cygpath -w $(ARCH_SRCDIR)/$(ARCH_SUBDIR)}"
+else
+  CFLAGS	+= -I "$(TOPDIR)/sched"
+  CFLAGS	+= -I "$(ARCH_SRCDIR)/chip"
+  CFLAGS	+= -I "$(ARCH_SRCDIR)/common" 
+  CFLAGS	+= -I "$(ARCH_SRCDIR)/$(ARCH_SUBDIR)"
+endif
+
+all: libboard$(LIBEXT)
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+libboard$(LIBEXT): $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $@, $${obj}); \
+	done ; )
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f libboard$(LIBEXT) *~ .*.swp
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep

configs/amber/src/amber_internal.h

@@ -0,0 +1,101 @@
+/****************************************************************************
+ * configs/amber/src/pcblogic-internal.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __CONFIGS_AMBER_SRC_AMBER_INTERNAL_H
+#define __CONFIGS_AMBER_SRC_AMBER_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Name: atmega_spiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the Amber Web Server.
+ *
+ ************************************************************************************/
+
+#if defined(CONFIG_AVR_SPI1) || defined(CONFIG_AVR_SPI2)
+EXTERN void weak_function atmega_spiinitialize(void);
+#endif
+
+/************************************************************************************
+ * Name: atmega_ledinit
+ *
+ * Description:
+ *   Configure on-board LEDs if LED support has been selected.
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_ARCH_LEDS
+EXTERN void atmega_ledinit(void);
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIGS_AMBER_SRC_AMBER_INTERNAL_H */

configs/amber/src/up_boot.c

@@ -0,0 +1,93 @@
+/************************************************************************************
+ * configs/amber/src/up_boot.c
+ * arch/mips/src/board/up_boot.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "up_internal.h"
+
+#include "atmega_internal.h"
+#include "amber_internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: up_boardinitialize
+ *
+ * Description:
+ *   All ATMega architectures must provide the following entry point.  This entry
+ *   point is called early in the intitialization -- after all memory has been
+ *   configured and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+void up_boardinitialize(void)
+{
+  /* Configure SSP chip selects if 1) at least one SSP is enabled, and 2) the weak
+   * function atmega_spiinitialize() has been brought into the link.
+   */
+
+#if defined(CONFIG_AVR_SPI1) || defined(CONFIG_AVR_SPI2)
+  if (atmega_spiinitialize)
+    {
+      atmega_spiinitialize();
+    }
+#endif
+
+  /* Configure on-board LEDs if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+  atmega_ledinit();
+#endif
+}

configs/micropendous3/include/board.h

@@ -34,8 +34,8 @@
  *
  ****************************************************************************/
 
-#ifndef __CONFIGS_MICROPENDOUS_INCLUDE_BOARD_H
+#ifndef __CONFIGS_MICROPENDOUS3_INCLUDE_BOARD_H
-#define __CONFIGS_MICROPENDOUS_INCLUDE_BOARD_H
+#define __CONFIGS_MICROPENDOUS3_INCLUDE_BOARD_H
 
 /****************************************************************************
  * Included Files
@@ -90,4 +90,4 @@ extern "C" {
 #endif
 
 #endif /* __ASSEMBLY__ */
-#endif /* __CONFIGS_MICROPENDOUS_INCLUDE_BOARD_H */
+#endif /* __CONFIGS_MICROPENDOUS3_INCLUDE_BOARD_H */

configs/micropendous3/ostest/defconfig

@@ -55,7 +55,7 @@
 # CONFIG_ARCH_NOINTC - define if the architecture does not
 #   support an interrupt controller or otherwise cannot support
 #   APIs like up_enable_irq() and up_disable_irq().
-# CONFIG_ARCH_IRQPRIO - The AT90USB supports interrupt prioritization
+# CONFIG_ARCH_IRQPRIO - The AT90USB does not support interrupt prioritization
 # CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
 #   stack. If defined, this symbol is the size of the interrupt
 #   stack in bytes.  If not defined, the user task stacks will be