boards: minnowboard: remove untested and old board
Remove minnowboard configuration which is very basic and can be brought back by just taking another X86 configuration. We have not tested this board for a while and it is not being used actively, so remove it. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif
Kumar Gala
parent
86209aced7
commit
11b8dd85b9
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@ -1,5 +0,0 @@
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_MINNOWBOARD
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bool "MinnowBoard Max"
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depends on SOC_ATOM
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@ -1,11 +0,0 @@
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_MINNOWBOARD
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config BOARD
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default "minnowboard"
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config BUILD_OUTPUT_STRIPPED
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default y
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endif # BOARD_MINNOWBOARD
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@ -1,196 +0,0 @@
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.. _minnowboard_board:
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MinnowBoard Max
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###############
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Overview
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********
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The MinnowBoard is an Intel |reg| Atom |trade| processor based board which introduces
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Intel |reg| Architecture to the small and low cost embedded market for the developer
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and maker community. It has exceptional performance, flexibility, openness and
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standards
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.. figure:: minnowboard.jpg
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:width: 800px
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:align: center
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:alt: Minnowboard
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Minnowboard (Credit: Intel)
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The `MinnowBoard`_ board configuration supports the following:
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* HPET
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* Advanced Programmed Interrupt Controller (APIC)
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* NS16550 UART
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Hardware
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********
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Supported Features
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==================
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This board configuration supports the following hardware features:
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+--------------+------------+-----------------------+
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| Interface | Controller | Driver/Component |
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+==============+============+=======================+
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| HPET | on-chip | system clock |
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+--------------+------------+-----------------------+
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| APIC | on-chip | interrupt controller |
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+--------------+------------+-----------------------+
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| NS16550 | on-chip | serial port |
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| UART | | |
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+--------------+------------+-----------------------+
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The kernel currently does not support other hardware features on this platform.
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HPET System Clock Support
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--------------------------
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This board uses a system clock frequency of 25 MHz.
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.. note::
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The LOAPIC timer may be used instead of the HPET. To do so,
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set SYS_CLOCK_HW_CYCLES_PER_SEC to a custom value that is tied to the host system speed.
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Serial Port
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-----------
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This board uses a single serial communication channel
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with a NS16550 serial driver that operates in polling mode.
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For an interrupt-driven driver, enable the
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:option:`CONFIG_UART_INTERRUPT_DRIVEN` kernel configuration option.
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PCI
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----
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PCI drivers assume that IO regions and IRQs for devices are preconfigured
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identically by the firmware on all supported devices. This configuration is
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specified in the Kconfig file for the Intel Atom SoC. The PCI library supports
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dynamically enumerating PCI devices, but that support is disabled by default.
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.. note::
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The PCI library does not support 64-bit devices.
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Memory address and size storage only require 32-bit integers.
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Known Problems or Limitations
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-----------------------------
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The following platform features are unsupported:
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* Isolated Memory Regions
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* Serial port in Direct Memory Access (DMA) mode
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* Serial Peripheral Interface (SPI) flash
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* General-Purpose Input/Output (GPIO)
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* Inter-Integrated Circuit (I2C)
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* Ethernet
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* Supervisor Mode Execution Protection (SMEP)
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Creating a GRUB2 Boot Loader Image from a Linux Host
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====================================================
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If you are having problems running an application using the preinstalled
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copy of GRUB, follow these steps to test on supported boards using a custom GRUB.
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#. Install the requirements to build GRUB on your host machine.
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On Ubuntu, type:
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.. code-block:: console
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$ sudo apt-get install bison autoconf libopts25-dev flex automake \
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pkg-config gettext autopoint
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On Fedora, type:
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.. code-block:: console
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$ sudo dnf install gnu-efi bison m4 autoconf help2man flex \
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automake texinfo gettext-devel
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#. Clone and build the GRUB repository using the script in Zephyr tree, type:
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.. code-block:: console
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$ cd $ZEPHYR_BASE
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$ ./boards/x86/common/scripts/build_grub.sh i386
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#. Find the binary at
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:file:`$ZEPHYR_BASE/boards/x86/common/scripts/grub/bin/grub_i386.efi`.
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Preparing the Boot Device
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=========================
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Prepare either an SD-micro card or USB flash drive to boot the Zephyr
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application image on the board. The following instructions apply to both
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devices.
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#. Build a Zephyr application; for instance, to build the ``hello_world``
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application on the minnowboard:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: minnowboard
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:goals: build
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.. note::
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A stripped project image file named :file:`zephyr.strip` is automatically
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created in the build directory after the application is built. This image
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has removed debug information from the :file:`zephyr.elf` file.
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#. Use one of these cables for serial output:
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`<http://www.ftdichip.com/Products/Cables/USBTTLSerial.htm>`_
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#. Format a microSD as FAT
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#. Create the following directories
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:file:`efi`
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:file:`efi/boot`
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:file:`kernel`
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#. Copy the kernel file :file:`build/zephyr/zephyr.strip` to the :file:`$SDCARD/kernel` folder.
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#. Copy your built version of GRUB to :file:`$SDCARD/efi/boot/bootia32.efi`
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#. Create :file:`$SDCARD/efi/boot/grub.cfg` containing the following:
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.. code-block:: console
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set default=0
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set timeout=10
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menuentry "Zephyr Kernel" {
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multiboot /kernel/zephyr.strip
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}
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Booting Zephyr on the MinnowBoard
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=================================
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The MinnowBoard by default will be running a 64bit firmware. To boot Zephyr, you
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will need to replace the 64bit firmware with the 32bit variant. Please follow
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the instructions for updating the firmware documented at the
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`MinnowBoard firmware`_ website. Look for the Firmware Download section and find
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Firmware Flash Images release. The ZIP file will contain the binary images,
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update utilities, and instructions. Extract the files and prepare a bootable USB.
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Follow the release instructions on Flash Update. You can also check out the
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`MinnowBoard firmware development`_ website for more information.
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.. _MinnowBoard: https://github.com/MinnowBoard-org
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.. _MinnowBoard firmware: https://software.intel.com/en-us/articles/minnowboard-maxturbot-uefi-firmware
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.. _Minnowboard firmware development: https://github.com/tianocore/edk2-platforms/blob/master/Platform/Intel/Vlv2TbltDevicePkg/Readme.md
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Binary file not shown.
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@ -1,42 +0,0 @@
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/* SPDX-License-Identifier: Apache-2.0 */
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/dts-v1/;
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#include <mem.h>
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#define DT_DRAM_SIZE DT_SIZE_M(2048)
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#include <atom.dtsi>
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/ {
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model = "minnowboard";
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compatible = "minnowboard,minnowboard";
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aliases {
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uart-0 = &uart0;
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uart-1 = &uart1;
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};
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chosen {
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zephyr,sram = &dram0;
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zephyr,console = &uart0;
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zephyr,shell-uart = &uart0;
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zephyr,bt-uart = &uart1;
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zephyr,uart-pipe = &uart1;
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zephyr,bt-mon-uart = &uart1;
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};
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};
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&uart0 {
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status = "okay";
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current-speed = <115200>;
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};
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&uart1 {
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status = "okay";
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current-speed = <115200>;
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};
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&hpet {
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status = "okay";
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};
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@ -1,11 +0,0 @@
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identifier: minnowboard
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name: MinnowBoard
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type: mcu
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arch: x86
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toolchain:
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- zephyr
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ram: 256
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testing:
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ignore_tags:
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- net
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- bluetooth
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_SOC_ATOM=y
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CONFIG_BOARD_MINNOWBOARD=y
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CONFIG_HPET_TIMER=y
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CONFIG_PIC_DISABLE=y
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CONFIG_LOAPIC=y
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CONFIG_CONSOLE=y
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CONFIG_SERIAL=y
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CONFIG_UART_NS16550=y
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CONFIG_UART_CONSOLE=y
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=25000000
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CONFIG_BUILD_NO_GAP_FILL=y
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@ -133,7 +133,6 @@ REDIRECTS = [
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('boards/riscv/zedboard_pulpino/doc/zedboard_pulpino', 'boards/riscv/zedboard_pulpino/doc/index'),
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('boards/x86/arduino_101/doc/board', 'boards/x86/arduino_101/doc/index'),
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('boards/x86/galileo/doc/galileo', 'boards/x86/galileo/doc/index'),
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('boards/x86/minnowboard/doc/minnowboard', 'boards/x86/minnowboard/doc/index'),
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('boards/x86/qemu_x86/doc/board', 'boards/x86/qemu_x86/doc/index'),
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('boards/x86/tinytile/doc/board', 'boards/x86/tinytile/doc/index'),
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('boards/x86/up_squared/doc/up_squared', 'boards/x86/up_squared/doc/index'),
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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.13.1)
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if(BOARD STREQUAL "minnowboard")
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set(CONF_FILE prj_fp.conf)
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endif()
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(app_kernel)
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