Moved convenient scripts to opt/ directory as they are not mandatory for the project.

opt/flashing/flash.sh

+#! /bin/sh
+
+exec sam-ba /dev/ttyACM0 at91sam9g20-ek src/flashing/$1-flash.tcl > flash.log 2>&1
+
+true

src/flashing/nand-flash.tcl → opt/flashing/nand-flash.tcl

 set bootstrap    "/home/colin/Documents/apc/at91bootstrap/binaries/at91sam9g20ek-nandflashboot--3.8.10.bin"
-set img          "/home/colin/Documents/apc/template-freertos/bin/img-sdram.bin"
+set img          "/home/colin/Documents/apc/template-freertos/bin/img-at91sam9g20-ek-at91sam9g20-sdram.bin"
 
 
 NANDFLASH::Init

src/flashing/sdram.tcl → opt/flashing/ram-flash.tcl

-set img          "/home/colin/Documents/apc/template-freertos/bin/img-sdram.bin"
+set img          "/home/colin/Documents/apc/template-freertos/bin/img-at91sam9g20-ek-at91sam9g20-sdram.bin"
 
 GENERIC::Init $RAM::appletAddr $RAM::appletMailboxAddr $RAM::appletFileName [list $::target(comType) $::target(traceLevel) $BOARD::extRamVdd $BOARD::extRamType $BOARD::extRamDataBusWidth $BOARD::extDDRamModel]
 send_file {SDRAM} "$img" 0x20000000 0

opt/gdb/at91sam9g20-ek-sdram.gdb

+# SDRAM initialization script for the AT91SAM9G20
+#------------------------------------------------
+# Configure master clock
+echo Configuring the master clock...\n
+# Enable main oscillator
+set *0xFFFFFC20 = 0x00004001
+while ((*0xFFFFFC68 & 0x1) == 0)
+end
+
+# Set PLLA to 800MHz
+set *0xFFFFFC28 = 0x202A3F01
+while ((*0xFFFFFC68 & 0x2) == 0)
+end
+
+# Set PLLB for USB usage
+set *0xFFFFFC2C = 0x10193F05
+while ((*0xFFFFFC68 & 0x4) == 0)
+end
+
+# Select prescaler
+set *0xFFFFFC30 = 0x00001300
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+# Select master clock
+set *0xFFFFFC30 = 0x00001302
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+echo Master clock ok.\n
+echo Configuring the SDRAM controller...\n
+
+# Enable EBI chip select for the SDRAM
+set *0xFFFFEF1C = 0x2
+
+# Enable PC16-PC31 pins
+set *0xFFFFF870 = 0xFFFF0000
+set *0xFFFFF874 = 0x00000000
+set *0xFFFFF804 = 0xFFFF0000
+
+# SDRAM configuration
+set *0xFFFFEA08 = 0x96338379
+
+set *0xFFFFEA00 = 0x1
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x2
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x3
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x0
+set *0x20000000 = 0
+
+set *0xFFFFEA04 = 0x39D
+
+echo SDRAM configuration ok.\n

opt/gdb/at91sam9g20-ek-sram.gdb

+# MCK initialization script for the AT91SAM9G20
+#------------------------------------------------
+# Configure master clock
+echo Configuring the master clock...\n
+# Enable main oscillator
+set *0xFFFFFC20 = 0x00004001
+while ((*0xFFFFFC68 & 0x1) == 0)
+end
+
+# Set PLLA to 800MHz
+set *0xFFFFFC28 = 0x202A3F01
+while ((*0xFFFFFC68 & 0x2) == 0)
+end
+
+# Select prescaler
+set *0xFFFFFC30 = 0x00001300
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+# Select master clock
+set *0xFFFFFC30 = 0x00001302
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+echo Master clock ok.\n
+

opt/gdb/debug.sh

+#!/bin/bash
+
+img=$1
+
+cmd=cmd.gdb
+
+sdram_config="./opt/gdb/at91sam9g20-ek-sdram.gdb"
+
+sram_config="./opt/gdb/at91sam9g20-ek-sram.gdb"
+
+if echo $img | grep sdram > /dev/null
+then
+    config=$sdram_config
+else
+    config=$sram_config
+fi
+
+echo "define reset" > $cmd
+echo "    target remote localhost:2331" >> $cmd
+echo "    monitor reset" >> $cmd
+echo "    source" $config >> $cmd
+echo "    load" >> $cmd
+echo "end" >> $cmd
+
+if !(file $img | grep ELF > /dev/null)
+then
+    echo "ELF file is expected."
+    exit
+fi
+
+exec gdb-multiarch -x cmd1.gdb -ex reset $img

opt/jlink/jlink.sh

+#!/bin/bash
+
+exec /opt/SEGGER/JLink/JLinkGDBServerCLExe -USB -device AT91SAM9G20 -endian little -if JTAG -speed auto -noLocalhostOnly

opt/tty/connect.sh

+#!/bin/bash
+
+exec picocom --baud 115200 --parity n --stop 1 --flow none /dev/ttyUSB0

src/flashing/flash.sh

-#! /bin/sh
-
-sam-ba /dev/ttyACM0 at91sam9g20-ek src/flashing/sdram.tcl > flash.log 2>&1
-
-true