--- wikisrc/ports/evbarm/allwinner.mdwn 2015/04/02 18:36:59 1.50 +++ wikisrc/ports/evbarm/allwinner.mdwn 2017/03/30 16:06:58 1.59 @@ -1,6 +1,6 @@ [[!meta title="NetBSD/evbarm on Allwinner Technology SoCs"]] -NetBSD 7.0 has support for A10, A20, and A31 SoCs. NetBSD -current adds support for A80 SoCs. +NetBSD 7.0 has support for A20 and A31 SoCs. NetBSD -current adds support for A80 SoCs. [[!toc levels=2]] @@ -62,29 +62,53 @@ NetBSD 7.0 has support for A10, A20, and - Audio codec - All - USB device mode - - SD/MMC UHS-I support (needs sdmmc(4) changes) - SDIO (Bluetooth / WiFi) - NAND - VGA (Cubietruck, Hummingbird A31, Cubieboard4) # Installation -## A10 / A20 / A31 based boards +## A20 / A31 based boards -* Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *beagleboard.img* +* Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/armv7.img.gz* from +NetBSD 7.0 * Download a U-Boot build for your board * Download the correct build from the linux-sunxi web site . +* Decompress the image via [[!template id=man name="gunzip" section="1"]]: +[[!template id=programlisting text=""" +# gunzip armv7.img.gz +"""]] * Write the *u-boot-sunxi-with-spl.bin* loader to the empty space at the start of the base image: [[!template id=programlisting text=""" -# dd if=u-boot-sunxi-with-spl.bin of=beagleboard.img bs=1k seek=8 conv=notrunc +# dd if=u-boot-sunxi-with-spl.bin of=armv7.img bs=1k seek=8 conv=notrunc """]] -* Write the image to an SD card. -* Copy the kernel (netbsd.ub) for your board to the root of the MS-DOS partition on the SD card. -* Create or edit uEnv.txt on the MS-DOS partition: +* Write the image to an SD card (e.g.: if the SD card is recognised as *sd0* - +please check the [[!template id=man name="dmesg" section="8"]] output to be +sure!): [[!template id=programlisting text=""" -bootargs=root=ld0a -uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000 +# dd if=armv7.img of=/dev/rsd0d bs=1m """]] +* Copy the kernel (*netbsd.ub*) for your board to the root of the MS-DOS +partition on the SD card +* Prepare a *boot.cmd* file for U-Boot boot loader containing the needed +instructions regarding how to boot the kernel (basically the *bootargs* that are +passed to the kernel and how to load the kernel from a device to the RAM and +then boot it from the memory address): + +[[!template id=filecontent name="boot.cmd" text=""" +setenv kernel_addr 82000000 +setenv kernel netbsd.ub +setenv bootargs "root=ld0a" + +fatload mmc 0:1 ${kernel_addr} ${kernel} +bootm ${kernel_addr} +"""]] +* The *boot.cmd* text file should be converted in a script image - *boot.scr* +for U-Boot via [[!template id=man name="mkubootimage" section="1"]]: +[[!template id=programlisting text=""" +# mkubootimage -A arm -n armv7 -T script boot.cmd boot.scr +"""]] +* Copy the *boot.scr* to the MS-DOS partition of the SD card ## A80 based boards @@ -100,9 +124,9 @@ uenvcmd=mmc dev 0; mmc rescan; fatload m You can run this boards with a little endian (this is the default and implied by above install instructions) or with a big endian kernel and userland. However, kernel and userland endianness needs to match. -To build a big endian release (or sets) use +To build a big endian release (or sets) use [[!template id=programlisting text=""" -./build.sh -m evbearmv7hf-eb +./build.sh -m evbearmv7hf-eb """]] where -eb means endianness big, hf is hardware floating point support, and earm is the modern "extended" ABI for ARM CPUs, and finally v7 is version 7 of the supported instruction set. @@ -112,7 +136,7 @@ Board configuration scripts can be found To use, copy the compiled FEX to your MS-DOS partition, load it with U-Boot, and then tell the kernel where to find it with the "sysconfig=" boot option. For example, uEnv.txt on a Cubieboard2 might look like this: -[[!template id=programlisting text=""" +[[!template id=filecontent name="uEnv.txt" text=""" bootargs=root=ld0a sysconfig=0x43000000 uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 43000000 cubieboard2.bin; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000 """]] @@ -143,6 +167,6 @@ a31# audiocfg list # MAC address On boards where the ethernet MAC address cannot be determmined, a random MAC address will be generated every boot. You can override this behaviour by specifying a MAC address in *uEnv.txt*: -[[!template id=programlisting text=""" +[[!template id=filecontent name="uEnv.txt" text=""" bootargs=root=ld0a awge0.mac-address=02:a0:3d:88:1a:1e """]]