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diff --git a/Documentation/openrisc/openrisc_port.rst b/Documentation/openrisc/openrisc_port.rst deleted file mode 100644 index 4b2c437942a0..000000000000 --- a/Documentation/openrisc/openrisc_port.rst +++ /dev/null @@ -1,121 +0,0 @@ -============== -OpenRISC Linux -============== - -This is a port of Linux to the OpenRISC class of microprocessors; the initial -target architecture, specifically, is the 32-bit OpenRISC 1000 family (or1k). - -For information about OpenRISC processors and ongoing development: - - ======= ============================= - website http://openrisc.io - email openrisc@lists.librecores.org - ======= ============================= - ---------------------------------------------------------------------- - -Build instructions for OpenRISC toolchain and Linux -=================================================== - -In order to build and run Linux for OpenRISC, you'll need at least a basic -toolchain and, perhaps, the architectural simulator. Steps to get these bits -in place are outlined here. - -1) Toolchain - -Toolchain binaries can be obtained from openrisc.io or our github releases page. -Instructions for building the different toolchains can be found on openrisc.io -or Stafford's toolchain build and release scripts. - - ========== ================================================= - binaries https://github.com/openrisc/or1k-gcc/releases - toolchains https://openrisc.io/software - building https://github.com/stffrdhrn/or1k-toolchain-build - ========== ================================================= - -2) Building - -Build the Linux kernel as usual:: - - make ARCH=openrisc CROSS_COMPILE="or1k-linux-" defconfig - make ARCH=openrisc CROSS_COMPILE="or1k-linux-" - -3) Running on FPGA (optional) - -The OpenRISC community typically uses FuseSoC to manage building and programming -an SoC into an FPGA. The below is an example of programming a De0 Nano -development board with the OpenRISC SoC. During the build FPGA RTL is code -downloaded from the FuseSoC IP cores repository and built using the FPGA vendor -tools. Binaries are loaded onto the board with openocd. - -:: - - git clone https://github.com/olofk/fusesoc - cd fusesoc - sudo pip install -e . - - fusesoc init - fusesoc build de0_nano - fusesoc pgm de0_nano - - openocd -f interface/altera-usb-blaster.cfg \ - -f board/or1k_generic.cfg - - telnet localhost 4444 - > init - > halt; load_image vmlinux ; reset - -4) Running on a Simulator (optional) - -QEMU is a processor emulator which we recommend for simulating the OpenRISC -platform. Please follow the OpenRISC instructions on the QEMU website to get -Linux running on QEMU. You can build QEMU yourself, but your Linux distribution -likely provides binary packages to support OpenRISC. - - ============= ====================================================== - qemu openrisc https://wiki.qemu.org/Documentation/Platforms/OpenRISC - ============= ====================================================== - ---------------------------------------------------------------------- - -Terminology -=========== - -In the code, the following particles are used on symbols to limit the scope -to more or less specific processor implementations: - -========= ======================================= -openrisc: the OpenRISC class of processors -or1k: the OpenRISC 1000 family of processors -or1200: the OpenRISC 1200 processor -========= ======================================= - ---------------------------------------------------------------------- - -History -======== - -18-11-2003 Matjaz Breskvar (phoenix@bsemi.com) - initial port of linux to OpenRISC/or32 architecture. - all the core stuff is implemented and seams usable. - -08-12-2003 Matjaz Breskvar (phoenix@bsemi.com) - complete change of TLB miss handling. - rewrite of exceptions handling. - fully functional sash-3.6 in default initrd. - a much improved version with changes all around. - -10-04-2004 Matjaz Breskvar (phoenix@bsemi.com) - alot of bugfixes all over. - ethernet support, functional http and telnet servers. - running many standard linux apps. - -26-06-2004 Matjaz Breskvar (phoenix@bsemi.com) - port to 2.6.x - -30-11-2004 Matjaz Breskvar (phoenix@bsemi.com) - lots of bugfixes and enhancments. - added opencores framebuffer driver. - -09-10-2010 Jonas Bonn (jonas@southpole.se) - major rewrite to bring up to par with upstream Linux 2.6.36 |