--- wikisrc/ports/evbarm/allwinner.mdwn 2015/04/02 18:36:59 1.50 +++ wikisrc/ports/evbarm/allwinner.mdwn 2015/12/10 08:07:54 1.56 @@ -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 +62,52 @@ 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 (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=""" +# 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=programlisting text=""" +setenv kernel_addr 82000000 +setenv kernel netbsd.ub +setenv bootargs "root=ld0a" + +fatload mmc 0:1 ${kernel_addr} ${kernel} +bootm ${kernel_addr} """]] -* 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: +* 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=""" -bootargs=root=ld0a -uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000 +# 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