X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;f=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fboard%2Ffreescale%2Fp1010rdb%2Freadme.txt;fp=cirros-testvm%2Fsrc-cirros%2Fbuildroot-2015.05%2Fboard%2Ffreescale%2Fp1010rdb%2Freadme.txt;h=b119f9a4781e55779f98292638a8637c74732a70;hb=b0a0f15dfaa205161a7fcb20cf1b8cd4948c2ef3;hp=0000000000000000000000000000000000000000;hpb=c6ac3cd55ee2da956195eee393b0882105dfad4e;p=packages%2Ftrusty%2Fcirros-testvm.git diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/board/freescale/p1010rdb/readme.txt b/cirros-testvm/src-cirros/buildroot-2015.05/board/freescale/p1010rdb/readme.txt new file mode 100644 index 0000000..b119f9a --- /dev/null +++ b/cirros-testvm/src-cirros/buildroot-2015.05/board/freescale/p1010rdb/readme.txt @@ -0,0 +1,77 @@ + +******************** WARNING ******************** +The compiled U-Boot binary is intended for NOR flash only! +It won't work for NAND or SPI and will brick those bootloaders! + +Also don't go playing around with different U-boot versions or flash targets +unless you've got the necessary hardware and/or know-how to unbrick your kit. + +2014.01 is known good for NOR on the P1010RDB-PA kit. + +Freescale released a revised version of the kit with a faster processor and +some other hardware changes named P1010RDB-PB. U-Boot needs to be configured +differently for this kit hence this default config WILL NOT WORK. +This is ONLY related to U-Boot, otherwise the configuration is the same, +you can perfectly use the generated kernel and rootfs. + +IF you want to build an U-Boot for the new kit just change +BR2_TARGET_UBOOT_BOARDNAME from P1010RDB-PA_NOR to P1010RDB-PB_NOR. +!!!!! THIS IS COMPLETELY UNTESTED BY BR DEVS SO YOU ARE ON YOUR OWN !!!!! +If it works we'd like to know so drop an email to the mailing list. Thanks. + +If your kit doesn't mention PA nor PB in their shipping inventory then it's +the old version (PA). +******************** WARNING ******************** + +You'll need to program the files created by buildroot into the flash. +The fast way is to tftp transfer the files via one of the network interfaces. + +Alternatively you can transfer the files via serial console with an Ymodem +file transfer from your terminal program by using a "loady" command +from the u-boot prompt instead of the "tftp ..." commands stated below. +Beware that serial console file transfers are quite slow! + +Remember to set the P1010RDB switches to NOR boot if you want to use +your newly built U-Boot. + +1. Program the new U-Boot binary to NOR flash (optional) + If you don't feel confident upgrading your bootloader then don't do it, + it's unnecessary most of the time. + + => tftp $loadaddr u-boot.bin + => protect off 0xeff80000 +$filesize + => erase 0xeff80000 +$filesize + => cp.b $loadaddr 0xeff80000 $filesize + +2. Program the DTB to NOR flash + + => tftp $loadaddr p1010rdb-pa.dtb + => erase 0xee000000 +$filesize + => cp.b $loadaddr 0xee000000 $filesize + +3. Program the kernel to NOR flash + + => tftp $loadaddr uImage + => erase 0xee080000 +$filesize + => cp.b $loadaddr 0xee080000 $filesize + +4. Program the root filesystem to NOR flash + + => tftp $loadaddr rootfs.jffs2 + => erase 0xee800000 0xeff5ffff + => cp.b $loadaddr 0xee800000 $filesize + +5. Booting your new system + + => setenv norboot 'setenv bootargs root=/dev/mtdblock2 rootfstype=jffs2 console=$consoledev,$baudrate;bootm 0xee080000 - 0xee000000' + + If you want to set this boot option as default: + + => setenv bootcmd 'run norboot' + => saveenv + + ...or for a single boot: + + => run norboot + + You can login with user "root".