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GET /api/patches/817994/?format=api
{ "id": 817994, "url": "http://patchwork.ozlabs.org/api/patches/817994/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/patch/1506290733-6042-2-git-send-email-chevalliersebmax@gmail.com/", "project": { "id": 27, "url": "http://patchwork.ozlabs.org/api/projects/27/?format=api", "name": "Buildroot development", "link_name": "buildroot", "list_id": "buildroot.buildroot.org", "list_email": "buildroot@buildroot.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1506290733-6042-2-git-send-email-chevalliersebmax@gmail.com>", "list_archive_url": null, "date": "2017-09-24T22:05:33", "name": "[1/1,RFC] mvebu_espressobin-88f3720 : Add support for espressobin", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "5c49cd314a13826245ee31eb44fb85ce22d45ab7", "submitter": { "id": 72430, "url": "http://patchwork.ozlabs.org/api/people/72430/?format=api", "name": "Maxime Chevallier", "email": "chevalliersebmax@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/buildroot/patch/1506290733-6042-2-git-send-email-chevalliersebmax@gmail.com/mbox/", "series": [ { "id": 4848, "url": "http://patchwork.ozlabs.org/api/series/4848/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/list/?series=4848", "date": "2017-09-24T22:05:32", "name": "Add support for espressobin", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/4848/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/817994/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/817994/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<buildroot-bounces@busybox.net>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "buildroot@lists.busybox.net" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "buildroot@osuosl.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=busybox.net\n\t(client-ip=140.211.166.136; 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charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "buildroot-bounces@busybox.net", "Sender": "\"buildroot\" <buildroot-bounces@busybox.net>" }, "content": "Add support for the Globalscale 'Espressobin' board based\non Marvell Armada 3720.\n\nThis board has a dual Cortex-A53, 1GB DDR3, USBs, ethernets,\nand some GPIO ports. More informations on the vendor site :\nhttp://espressobin.net/tech-spec/\n\nThis config uses the mainline linux support for the board and\nthe buildroot toolchain using glibc, since uclibc does not\nsupport aarch64.\n\nMainline device-tree does not include SDCard support yet, so USB\nis the preferred way to boot the image, using the default pre-flashed\nu-boot on SPI NOR.\n\nSigned-off-by: Maxime Chevallier <chevalliersebmax@gmail.com>\n---\n DEVELOPERS | 4 ++\n board/globalscale/espressobin/genimage.cfg | 11 +++++\n board/globalscale/espressobin/readme.txt | 76 +++++++++++++++++++++++++++++\n configs/mvebu_espressobin-88f3720_defconfig | 29 +++++++++++\n 4 files changed, 120 insertions(+)\n create mode 100644 board/globalscale/espressobin/genimage.cfg\n create mode 100644 board/globalscale/espressobin/readme.txt\n create mode 100644 configs/mvebu_espressobin-88f3720_defconfig", "diff": "diff --git a/DEVELOPERS b/DEVELOPERS\nindex e34802f..5036ac2 100644\n--- a/DEVELOPERS\n+++ b/DEVELOPERS\n@@ -1208,6 +1208,10 @@ F:\tpackage/python-wsaccel/\n N:\tMax Filippov <jcmvbkbc@gmail.com>\n F:\tarch/Config.in.xtensa\n \n+N:\tMaxime Chevallier <chevalliersebmax@gmail.com>\n+F:\tconfigs/mvebu_espressobin-88f3720_defconfig\n+F:\tboard/globalscale/espressobin/\n+\n N:\tMaxime Hadjinlian <maxime.hadjinlian@gmail.com>\n F:\tpackage/babeld/\n F:\tpackage/dante/\ndiff --git a/board/globalscale/espressobin/genimage.cfg b/board/globalscale/espressobin/genimage.cfg\nnew file mode 100644\nindex 0000000..664f81b\n--- /dev/null\n+++ b/board/globalscale/espressobin/genimage.cfg\n@@ -0,0 +1,11 @@\n+# Minimal image\n+\n+image sdcard.img {\n+ hdimage {\n+ }\n+\n+ partition rootfs {\n+ partition-type = 0x83\n+ image = \"rootfs.ext4\"\n+ }\n+}\ndiff --git a/board/globalscale/espressobin/readme.txt b/board/globalscale/espressobin/readme.txt\nnew file mode 100644\nindex 0000000..fc9140e\n--- /dev/null\n+++ b/board/globalscale/espressobin/readme.txt\n@@ -0,0 +1,76 @@\n+Espressobin\n+===========\n+\n+This is the basic support for the Espressobin by globalscale technologies,\n+based on the Marvell Armada 3720.\n+\n+This support is based on the mainline linux kernel.\n+\n+\n+How to build\n+============\n+\n+1 - Use default configuration for espressobin :\n+\n+make mvebu_espressobin-88f3720_defconfig\n+\n+2 - Build the system\n+\n+make\n+\n+This generates the kernel image, the devicetree binary, the rootfs as a\n+tar.gz, and a filesystem image containing everything : sdcard.img (this name\n+is misleading though, see Limitations).\n+\n+Build artifacts are located in output/images.\n+\n+How to boot\n+===========\n+\n+To boot, you need an UART connection, using the on-board micro-usb port\n+at 115200 bauds.\n+\n+NOTE : As of today, booting from SDCard is not fully supported (rootfs cannot\n+be located on SCard).\n+\n+## From USB Stick ############################################################\n+\n+As of right now, this is the easiest way to boot the system, since the SDCard\n+support is not fully mainlined. It uses the pre-flashed u-boot on the SPI NOR\n+to load the kernel, device-tree and rootfs from a USB stick.\n+\n+The on-board jumpers must be configured to select the SPI NOR as a boot source.\n+\n+1 - Flash rootfs image on usb drive (Be careful to select the correct drive)\n+\n+sudo dd if=sdcard.img of=/dev/sdX bs=1M\n+sync\n+\n+2 - Boot from SPI NOR, interrupt boot by pressing Enter\n+\n+3 - Setup the bootusb u-boot script :\n+\n+setenv fdt_addr 0x1800000\n+setenv fdt_name boot/armada-3720-espressobin.dtb\n+setenv bootusb 'usb start; ext4load usb 0:1 $kernel_addr $image_name; ext4load usb 0:1 $fdt_addr $fdt_name; setenv bootargs $console root=/dev/sda1 rw rootwait; booti $kernel_addr - $fdt_addr'\n+run bootusb\n+\n+Limitations\n+===========\n+\n+Since the buildroot support for the espressobin is based on mainline\n+linux, especially regarding device-tree, the current functionnalities\n+for espressobin are limited.\n+\n+Namely, the mainline device-tree does not include support for sdcards yet, which\n+means the kernel is not able to load a rootfs located on a SDCard.\n+\n+Todo\n+====\n+\n+- Add bootloader generation\n+\n+- Use a custom devicetree to have SDcard support (or wait for support in mainline linux tree)\n+\n+- When SDcard support is working, add generation of sdcard image including bootloader, and\n+ document the on-board jumper configuration needed for sdcard boot.\ndiff --git a/configs/mvebu_espressobin-88f3720_defconfig b/configs/mvebu_espressobin-88f3720_defconfig\nnew file mode 100644\nindex 0000000..394c881\n--- /dev/null\n+++ b/configs/mvebu_espressobin-88f3720_defconfig\n@@ -0,0 +1,29 @@\n+# Architecture\n+BR2_aarch64=y\n+BR2_cortex_a53=y\n+\n+# Linux headers same as kernel, a 4.13 series\n+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_13=y\n+\n+# Filesystem\n+BR2_TARGET_ROOTFS_EXT2=y\n+BR2_TARGET_ROOTFS_EXT2_4=y\n+BR2_TARGET_ROOTFS_EXT2_GEN=4\n+BR2_TARGET_ROOTFS_TAR_GZIP=y\n+\n+# Kernel\n+BR2_LINUX_KERNEL=y\n+BR2_LINUX_KERNEL_CUSTOM_VERSION=y\n+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE=\"4.13\"\n+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y\n+BR2_LINUX_KERNEL_DTS_SUPPORT=y\n+BR2_LINUX_KERNEL_INTREE_DTS_NAME=\"marvell/armada-3720-espressobin\"\n+BR2_LINUX_KERNEL_INSTALL_TARGET=y\n+\n+# uClibc does not support aarch64 yet.\n+BR2_TOOLCHAIN_BUILDROOT_GLIBC=y\n+\n+# Image generation\n+BR2_PACKAGE_HOST_GENIMAGE=y\n+BR2_ROOTFS_POST_IMAGE_SCRIPT=\"support/scripts/genimage.sh\"\n+BR2_ROOTFS_POST_SCRIPT_ARGS=\"-c board/globalscale/espressobin/genimage.cfg\"\n", "prefixes": [ "1/1", "RFC" ] }