From patchwork Tue May 19 14:21:47 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 473935 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from fraxinus.osuosl.org (fraxinus.osuosl.org [140.211.166.137]) by ozlabs.org (Postfix) with ESMTP id DE694140D58 for ; Wed, 20 May 2015 00:22:43 +1000 (AEST) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 1890587B70; Tue, 19 May 2015 14:22:43 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eZU0Ip5YEdWs; Tue, 19 May 2015 14:22:39 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id 8B292A2F46; Tue, 19 May 2015 14:22:19 +0000 (UTC) X-Original-To: buildroot@lists.busybox.net Delivered-To: buildroot@osuosl.org Received: from whitealder.osuosl.org (whitealder.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 8BCFA1C2239 for ; Tue, 19 May 2015 14:22:08 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 86A408294C for ; Tue, 19 May 2015 14:22:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id evwGYMhQtJqB for ; Tue, 19 May 2015 14:22:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by whitealder.osuosl.org (Postfix) with ESMTP id 3243083941 for ; Tue, 19 May 2015 14:22:04 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 106) id 5A07724C; Tue, 19 May 2015 16:22:12 +0200 (CEST) Received: from localhost (external.comtrade.rs [185.56.220.48]) by mail.free-electrons.com (Postfix) with ESMTPSA id 93B37108; Tue, 19 May 2015 16:22:11 +0200 (CEST) From: Alexandre Belloni To: buildroot@busybox.net Date: Tue, 19 May 2015 16:21:47 +0200 Message-Id: <1432045308-16825-9-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432045308-16825-1-git-send-email-alexandre.belloni@free-electrons.com> References: <1432045308-16825-1-git-send-email-alexandre.belloni@free-electrons.com> Cc: Nicolas Ferre Subject: [Buildroot] [PATCH v3 8/9] atmel: add a flashing helper and documentation X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" Provide a flashing helper to properly select the sam-ba configuration and reuse the sam-ba tcl script provided by Atmel with minimal modifications. Signed-off-by: Alexandre Belloni --- board/atmel/flasher.sh | 136 ++++++++++++++++++ board/atmel/nandflash.tcl | 358 ++++++++++++++++++++++++++++++++++++++++++++++ board/atmel/readme.txt | 107 ++++++++++++++ 3 files changed, 601 insertions(+) create mode 100755 board/atmel/flasher.sh create mode 100644 board/atmel/nandflash.tcl create mode 100644 board/atmel/readme.txt diff --git a/board/atmel/flasher.sh b/board/atmel/flasher.sh new file mode 100755 index 000000000000..b04b53d633b0 --- /dev/null +++ b/board/atmel/flasher.sh @@ -0,0 +1,136 @@ +#!/bin/bash + +BUILDIR=$1 +TTY=$2 +BOARD=$3 + +family_at91sam9g45m10ek="at91sam9m10g45ek" +mach_at91sam9g45m10ek="at91sam9m10-g45-ek" +dtb_at91sam9g45m10ek="at91sam9m10g45ek.dtb" + +family_at91sam9rlek="at91sam9rlek" +mach_at91sam9rlek="at91sam9rl64-ek" +dtb_at91sam9rlek="at91sam9rlek.dtb" + +family_at91sam9g15ek="at91sam9x5ek" +mach_at91sam9g15ek="at91sam9g15-ek" +dtb_at91sam9g15ek="at91sam9g15ek.dtb" + +family_at91sam9g25ek="at91sam9x5ek" +mach_at91sam9g25ek="at91sam9g25-ek" +dtb_at91sam9g25ek="at91sam9g25ek.dtb" + +family_at91sam9g35ek="at91sam9x5ek" +mach_at91sam9g35ek="at91sam9g35-ek" +dtb_at91sam9g35ek="at91sam9g35ek.dtb" + +family_at91sam9x25ek="at91sam9x5ek" +mach_at91sam9x25ek="at91sam9x25-ek" +dtb_at91sam9x25ek="at91sam9x25ek.dtb" + +family_at91sam9x35ek="at91sam9x5ek" +mach_at91sam9x35ek="at91sam9x35-ek" +dtb_at91sam9x35ek="at91sam9x35ek.dtb" + +family_sama5d31ek="sama5d3xek" +mach_sama5d31ek="at91sama5d3x-ek" +dtb_sama5d31ek="sama5d31ek.dtb" + +family_sama5d31ek_revc="sama5d3xek" +mach_sama5d31ek_revc="at91sama5d3x-ek" +dtb_sama5d31ek_revc="sama5d31ek_revc.dtb" + +family_sama5d33ek="sama5d3xek" +mach_sama5d33ek="at91sama5d3x-ek" +dtb_sama5d33ek="sama5d33ek.dtb" + +family_sama5d33ek_revc="sama5d3xek" +mach_sama5d33ek_revc="at91sama5d3x-ek" +dtb_sama5d33ek_revc="sama5d33ek_revc.dtb" + +family_sama5d34ek="sama5d3xek" +mach_sama5d34ek="at91sama5d3x-ek" +dtb_sama5d34ek="sama5d34ek.dtb" + +family_sama5d34ek_revc="sama5d3xek" +mach_sama5d34ek_revc="at91sama5d3x-ek" +dtb_sama5d34ek_revc="sama5d34ek_revc.dtb" + +family_sama5d35ek="sama5d3xek" +mach_sama5d35ek="at91sama5d3x-ek" +dtb_sama5d35ek="sama5d35ek.dtb" + +family_sama5d35ek_revc="sama5d3xek" +mach_sama5d35ek_revc="at91sama5d3x-ek" +dtb_sama5d35ek_revc="sama5d35ek_revc.dtb" + +family_sama5d36ek="sama5d3xek" +mach_sama5d36ek="at91sama5d3x-ek" +dtb_sama5d36ek="sama5d36ek.dtb" + +family_sama5d36ek_revc="sama5d3xek" +mach_sama5d36ek_revc="at91sama5d3x-ek" +dtb_sama5d36ek_revc="sama5d36ek_revc.dtb" + +family_sama5d3_xplained="sama5d3_xplained" +mach_sama5d3_xplained="at91sama5d3x-xplained" +dtb_sama5d3_xplained="at91-sama5d3_xplained.dtb" + +family_sama5d4ek="sama5d4ek" +mach_sama5d4ek="at91sama5d4x-ek" +dtb_sama5d4ek="at91-sama5d4ek.dtb" + +family_sama5d4_xplained="sama5d4_xplained" +mach_sama5d4_xplained="at91sama5d4x-ek" +dtb_sama5d4_xplained="at91-sama5d4_xplained.dtb" + +usage() { + cat << EOF +Usage: + $0 + +Available boards: + at91sam9g45m10ek + at91sam9rlek + at91sam9g15ek + at91sam9g25ek + at91sam9x25ek + at91sam9g35ek + at91sam9x35ek + sama5d31ek + sama5d33ek + sama5d34ek + sama5d35ek + sama5d36ek + sama5d31ek_revc (Until rev. C) + sama5d33ek_revc (Until rev. C) + sama5d34ek_revc (Until rev. C) + sama5d35ek_revc (Until rev. C) + sama5d36ek_revc (Until rev. C) + sama5d3_xplained + sama5d4ek + sama5d4_xplained + +Example: + $0 ./output /dev/ttyACM0 at91sam9g45m10ek +EOF +} + +F="family_$BOARD" +M="mach_$BOARD" +D="dtb_$BOARD" + +if [[ $# != 3 || -z ${!F} ]]; then + usage + exit 1 +fi + +video_mode="video=LVDS-1:800x480-16" +if [[ $BOARD == "*pda4" ]]; then + video_mode="video=LVDS-1:480x272-16" +fi + +echo "Executing: ${!F} O=$1/images $1/host/opt/sam-ba/sam-ba $TTY ${!M} $(dirname $0)/nandflash.tcl -- ${!F} ${!D} $video_mode" +export O=$1/images +$1/host/opt/sam-ba/sam-ba $TTY ${!M} $(dirname $0)/nandflash.tcl -- ${!F} ${!D} $video_mode + diff --git a/board/atmel/nandflash.tcl b/board/atmel/nandflash.tcl new file mode 100644 index 000000000000..3955b345a44c --- /dev/null +++ b/board/atmel/nandflash.tcl @@ -0,0 +1,358 @@ +# ---------------------------------------------------------------------------- +# ATMEL Microcontroller +# ---------------------------------------------------------------------------- +# Copyright (c) 2015, Atmel Corporation +# +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# - Redistributions of source code must retain the above copyright notice, +# this list of conditions and the disclaimer below. +# +# Atmel's name may not be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE +# DISCLAIMED. IN NO EVENT SHALL ATMEL 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. +# ---------------------------------------------------------------------------- + +################################################################################ +# Script data +################################################################################ +# DBGU address for rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5 +set at91_base_dbgu0 0xfffff200 +# DBGU address for 9263, 9g45, sama5d3 +set at91_base_dbgu1 0xffffee00 +# DBGU address for sama5d4 +set at91_base_dbgu2 0xfc069000 + +set arch_exid_offset 0x44 + +# arch id +set arch_id_at91sam9g20 0x019905a0 +set arch_id_at91sam9g45 0x819b05a0 +set arch_id_at91sam9x5 0x819a05a0 +set arch_id_at91sam9n12 0x819a07a0 +set arch_id_sama5d3 0x8a5c07c0 + +## Find out at91sam9x5 variant to load the corresponding dtb file +array set at91sam9x5_variant { + 0x00000000 at91sam9g15 + 0x00000001 at91sam9g35 + 0x00000002 at91sam9x35 + 0x00000003 at91sam9g25 + 0x00000004 at91sam9x25 +} + +## Find out sama5d3 variant to load the corresponding dtb file +array set sama5d3_variant { + 0x00444300 sama5d31 + 0x00414300 sama5d33 + 0x00414301 sama5d34 + 0x00584300 sama5d35 + 0x00004301 sama5d36 +} + +## Find out sama5d4 variant +array set sama5d4_variant { + 0x00000001 sama5d41 + 0x00000002 sama5d42 + 0x00000003 sama5d43 + 0x00000004 sama5d44 +} + +################################################################################ +# proc uboot_env: Convert u-boot variables in a string ready to be flashed +# in the region reserved for environment variables +################################################################################ +proc set_uboot_env {nameOfLstOfVar} { + upvar $nameOfLstOfVar lstOfVar + + # sector size is the size defined in u-boot CFG_ENV_SIZE + set sectorSize [expr 0x20000 - 5] + + set strEnv [join $lstOfVar "\0"] + while {[string length $strEnv] < $sectorSize} { + append strEnv "\0" + } + # \0 between crc and strEnv is the flag value for redundant environment + set strCrc [binary format i [::vfs::crc $strEnv]] + return "$strCrc\0$strEnv" +} + +################################################################################ +proc find_variant_name {boardType} { + global at91_base_dbgu0 + global at91_base_dbgu1 + global at91_base_dbgu2 + global arch_exid_offset + global at91sam9x5_variant + global sama5d3_variant + global sama5d4_variant + set socName "none" + + switch $boardType { + at91sam9x5ek { + set exidAddr [expr {$at91_base_dbgu0 + $arch_exid_offset}] + set chip_variant [format "0x%08x" [read_int $exidAddr]] + + foreach {key value} [array get at91sam9x5_variant] { + if {$key == $chip_variant} { + set socName "$value" + break; + } + } + } + sama5d3xek { + set exidAddr [expr {$at91_base_dbgu1 + $arch_exid_offset}] + set chip_variant [format "0x%08x" [read_int $exidAddr]] + + foreach {key value} [array get sama5d3_variant] { + #puts "-I- === $chip_variant ? $key ($value) ===" + if {$key == $chip_variant} { + set socName "$value" + break; + } + } + } + sama5d3_xplained { + set exidAddr [expr {$at91_base_dbgu1 + $arch_exid_offset}] + set chip_variant [format "0x%08x" [read_int $exidAddr]] + + foreach {key value} [array get sama5d3_variant] { + #puts "-I- === $chip_variant ? $key ($value) ===" + if {$key == $chip_variant} { + set socName "$value" + break; + } + } + } + sama5d4ek { + set exidAddr [expr {$at91_base_dbgu2 + $arch_exid_offset}] + set chip_variant [format "0x%08x" [read_int $exidAddr]] + + foreach {key value} [array get sama5d4_variant] { + #puts "-I- === $chip_variant ? $key ($value) ===" + if {$key == $chip_variant} { + set socName "$value" + break; + } + } + } + sama5d4_xplained { + set exidAddr [expr {$at91_base_dbgu2 + $arch_exid_offset}] + set chip_variant [format "0x%08x" [read_int $exidAddr]] + + foreach {key value} [array get sama5d4_variant] { + #puts "-I- === $chip_variant ? $key ($value) ===" + if {$key == $chip_variant} { + set socName "$value" + break; + } + } + } + } + + return "$socName" +} + +proc find_variant_ecc {boardType} { + set eccType "none" + + switch $boardType { + at91sam9x5ek { + set eccType 0xc0c00405 + } + at91sam9n12ek { + set eccType 0xc0c00405 + } + sama5d3xek { + set eccType 0xc0902405 + } + sama5d3_xplained { + set eccType 0xc0902405 + } + sama5d4ek { + set eccType 0xc1e04e07 + } + sama5d4_xplained { + set eccType 0xc1e04e07 + } + } + + puts "-I- === eccType is $eccType ===" + return $eccType +} + +proc get_kernel_load_addr {boardType} { + set kernel_load_addr 0x22000000 + + switch $boardType { + at91sam9m10g45ek { + set kernel_load_addr 0x72000000 + } + } + + return $kernel_load_addr +} + +proc get_dtb_load_addr {boardType} { + set dtb_load_addr 0x21000000 + + switch $boardType { + at91sam9m10g45ek { + set dtb_load_addr 0x71000000 + } + } + + return $dtb_load_addr +} + +################################################################################ +# Main script: Load the linux demo in NandFlash, +# Update the environment variables +################################################################################ + +################################################################################ + +# check for proper variable initialization +if {! [info exists boardFamily]} { + puts "-I- === Parsing script arguments ===" + if {! [info exists env(O)]} { + puts "-E- === Binaries path not defined ===" + exit + } + + set bootstrapFile "$env(O)/at91bootstrap.bin" + set ubootFile "$env(O)/u-boot.bin" + set kernelFile "$env(O)/zImage" + set rootfsFile "$env(O)/rootfs.ubi" + set build_uboot_env "yes" + + set i 1 + foreach arg $::argv { + puts "argument $i is $arg" + switch $i { + 4 { set boardFamily $arg } + 5 { set dtbFile "$env(O)/$arg" } + 6 { set videoMode $arg } + } + incr i + } +} + +puts "-I- === Board Family is $boardFamily ===" + +set pmeccConfig [find_variant_ecc $boardFamily] + +## Now check for the needed files +if {! [file exists $bootstrapFile]} { + puts "-E- === AT91Bootstrap file not found ===" + exit +} + +if {! [file exists $ubootFile]} { + puts "-E- === U-Boot file not found ===" + exit +} + +if {! [file exists $kernelFile]} { + puts "-E- === Linux kernel file not found ===" + exit +} + +if {! [file exists $dtbFile]} { + puts "-E- === Device Tree binary: $dtbFile file not found ===" + exit +} + +if {! [file exists $rootfsFile]} { + puts "-E- === Rootfs file not found ===" + exit +} + +## NandFlash Mapping +set bootStrapAddr 0x00000000 +set ubootAddr 0x00040000 +set ubootEnvAddr 0x000c0000 +set dtbAddr 0x00180000 +set kernelAddr 0x00200000 +set rootfsAddr 0x00800000 + +## u-boot variable +set kernelLoadAddr [get_kernel_load_addr $boardFamily] +set dtbLoadAddr [get_dtb_load_addr $boardFamily] + +## NandFlash Mapping +set kernelSize [format "0x%08X" [file size $kernelFile]] +set dtbSize [format "0x%08X" [file size $dtbFile]] +set bootCmd "bootcmd=nand read $dtbLoadAddr $dtbAddr $dtbSize; nand read $kernelLoadAddr $kernelAddr $kernelSize; bootz $kernelLoadAddr - $dtbLoadAddr" +set rootfsSize [format "0x%08X" [file size $rootfsFile]] + +lappend u_boot_variables \ + "bootdelay=1" \ + "baudrate=115200" \ + "stdin=serial" \ + "stdout=serial" \ + "stderr=serial" \ + "bootargs=console=ttyS0,115200 mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,256k(env),256k(env_redundant),256k(spare),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw $videoMode" \ + "$bootCmd" + +## Additional files to load +set ubootEnvFile "ubootEnvtFileNandFlash.bin" + + +## Start flashing procedure ################################################## +puts "-I- === Initialize the NAND access ===" +NANDFLASH::Init + +if {$pmeccConfig != "none"} { + puts "-I- === Enable PMECC OS Parameters ===" + NANDFLASH::NandHeaderValue HEADER $pmeccConfig +} + +puts "-I- === Erase all the NAND flash blocs and test the erasing ===" +NANDFLASH::EraseAllNandFlash + +puts "-I- === Load AT91Bootstrap in the first sector ===" +if {$pmeccConfig != "none"} { + NANDFLASH::SendBootFilePmeccCmd $bootstrapFile +} else { + NANDFLASH::sendBootFile $bootstrapFile +} + +puts "-I- === Load u-boot in the next sectors ===" +send_file {NandFlash} "$ubootFile" $ubootAddr 0 + +if {$build_uboot_env == "yes"} { + puts "-I- === Load the u-boot environment variables ===" + set fh [open "$ubootEnvFile" w] + fconfigure $fh -translation binary + puts -nonewline $fh [set_uboot_env u_boot_variables] + close $fh + send_file {NandFlash} "$ubootEnvFile" $ubootEnvAddr 0 +} + +puts "-I- === Load the Kernel image and device tree database ===" +send_file {NandFlash} "$dtbFile" $dtbAddr 0 +send_file {NandFlash} "$kernelFile" $kernelAddr 0 + +if {$pmeccConfig != "none"} { + puts "-I- === Enable trimffs ===" + NANDFLASH::NandSetTrimffs 1 +} + +puts "-I- === Load the linux file system ===" +send_file {NandFlash} "$rootfsFile" $rootfsAddr 0 + +puts "-I- === DONE. ===" diff --git a/board/atmel/readme.txt b/board/atmel/readme.txt new file mode 100644 index 000000000000..539ef6605866 --- /dev/null +++ b/board/atmel/readme.txt @@ -0,0 +1,107 @@ +Flashing the NAND using SAM-BA +============================== + +This document explains how to flash a basic Buildroot system on various +Atmel boards. Additional details can +also be found on the Linux4SAM website, in particular here: +http://www.at91.com/linux4sam/bin/view/Linux4SAM/GettingStarted + +This guide covers the following configurations: + - at91sam9g45m10ek_defconfig + - at91sam9rlek_defconfig + - at91sam9x5ek_defconfig (at91sam9g15, at91sam9g25, at91sam9x25, + at91sam9g35 and at91sam9x35) + - atmel_sama5d3xek_defconfig (sama5d31, sama5d33, sama5d34, sama5d35, + sama5d36) + - atmel_sama5d3_xplained_defconfig + - atmel_sama5d4ek_defconfig + - atmel_sama5d4_xplained_defconfig + +These configurations will use AT91Bootstrap, u-boot and a linux kernel from +the git trees maintained by Atmel. They also build u-boot SPL when +available, it can replace AT91Bootstrap. + + +Configuring and building Buildroot +---------------------------------- + + make _defconfig + make + + +Flashing the board +------------------ + +Connect the board: + o at91sam9g45m10ek: DBGU: J10, USB sam-ba: J14 + o at91sam9rlek: DBGU: J19, USB sam-ba: J21 + o at91sam9x5ek: DBGU: J11, USB sam-ba: J20 + o sama5d3xek: DBGU: J14, USB sam-ba: J20 + o sama5d3 Xplained: DBGU: J23, USB sam-ba: J6 + o sama5d4ek: DBGU: J22 or J24, USB sam-ba: J1 + o sama5d4 Xplained: DBGU: J1, USB sam-ba: J11 + +Start the board in RomBOOT: + o at91sam9g45m10ek: + 1. open JP8, JP10 and JP12 + 2. start the board + 3. close JP8, JP10 and JP12 + + o at91sam9rlek: + 1. J11 on 1-2 (BMS=1), open J12 and J13 + 2. start the board + 3. close J12 and J13 + + o at91sam9x5ek: + 1. open JP9 and: + - Cogent: open *NCS jumper + - Embest: open SW1 + - Ronetix: open J1 and J2 + 2. start the board + 3. close JP9 and: + - Cogent: close *NCS jumper + - Embest: close SW1 (ON position) + - Ronetix: close J1 and J2 + + o sama5d3xek: + 1. start the board + 2. push BP4 and BP1 + 3. release BP1 + 4. release BP4 + + o sama5d3 Xplained: + 1. open JP5 (NANDCS) and JP6 (SPICS) + 2. start the board + 3. close JP5 ans JP6 + + o sama5d4ek: + 1. start the board + 2. push BP3 and BP4 + 3. release BP4 + 4. release BP3 + + o sama5d4 Xplained: + 1. close JP7 (BOOT_DIS) + 2. start the board + 3. open JP7 + +"RomBOOT" should appear on your console (this should be ttyUSBx or ttyACMx) + +Now locate the USB sam-ba interface it should be ttyACMx, usually ttyACM0 +dmesg on your machine should give: +usb 1-2.1.4: New USB device found, idVendor=03eb, idProduct=6124 +usb 1-2.1.4: New USB device strings: Mfr=0, Product=0, SerialNumber=0 +cdc_acm 1-2.1.4:1.0: ttyACM0: USB ACM device + +Look for idVendor=03eb, idProduct=6124, this is the interface you want to use. + +You can then flash the board using the provided flasher.sh script in board/atmel: + +board/atmel/flasher.sh + +For example, for an out of tree build made in +/tmp/atmel_sama5d3_xplained/ for the sama5d3 Xplained, you would use: +board/atmel/flasher.sh /tmp/atmel_sama5d3_xplained/ /dev/ttyACM0 sama5d3_xplained + +Reboot, the system should boot up to the buildroot login invite. +