Ports of Linux to different architectures. Please keep the architectures in alphabetical order, thank you.
68k
[http://e-www.motorola.com/support/technical/faq/ Motorola FAQs]BR [http://directory.google.com/Top/Computers/Software/Operating_Systems/Linux/Platforms/68k/ links]BR [http://www.linux-m68k.org linux-m68k.org]BR
Alpha
[http://directory.google.com/Top/Computers/Software/Operating_Systems/Linux/Platforms/Alpha/ Alpha] on Google DirectoryBR
ARM
[http://www.arm.uk.linux.org www.arm.uk.linux.org]BR [http://www.arm.linux.org.uk/developer/ ARM Linux developer] - lots of docs & linksBR [http://directory.google.com/Top/Computers/Software/Operating_Systems/Linux/Platforms/ARM/ links]BR [http://www.handhelds.org:8080/wiki/Misc#porting porting to ARM]BR [http://www.handhelds.org:8080/wiki/StrongARM StrongARM] lots of docs & linksBR [http://kerneltrap.com/article.php?sid=340 Interview with Russell King], the lead ARM Linux developerBR [http://lists.arm.linux.org.uk/pipermail/linux-arm/2001-July/001649.html Cross-compile kernel for ARM(mini-howto)]BR Essential if you want to do assembly programming: ARM System Architecture, ISBN 0-201-40352-8, ADDISON-WESLEY, 1999BR [http://developer.intel.com/design/strong/manuals/ SA1110 Microprocessor Advanced Developers Manual]BR [http://www.heyrick.co.uk/assembler/ ARM assembler]BR [http://www.arm.com/arm/documentation documentation]BR [http://www.armdevzone.com ARM dev zone]BR [http://www.ucdot.org]some ARM and uClinuxBR
Blackfin
[http://blackfin.uclinux.org/gf/project/linux-kernel Blackfin kernel porting project]BR [http://blackfin.uclinux.org/gf/ Blackfin Open Source/Free Software Koop]BR [http://blackfin.uclinux.org/git/?p=readonly-mirrors/linux-kernel.git GIT local changes, not pushed upstream yet]BR [http://git.kernel.org/?p=linux/kernel/git/cooloney/blackfin-2.6.git;a=tree Blackfin kernel.org git tree]BR
MIPS
[http://www.linux-mips.org/ Linux MIPS] BR [http://www.sombrio.com/downloads.htm NEC Vr4122 Port] BR [http://oss.sgi.com/mips/ Excellent source of linux/mips stuff] BR [http://www.linux-vr.org/ MIPS PDA stuff] BR
PowerPC
[http://e-www.motorola.com/brdata/PDFDB/docs/MPCFPE32B.pdf][[BR]] [http://www.mot.com/SPS/RISC/smartnetworks/arch/powerpc/doclib.htm][[BR]] [http://e-www.motorola.com/support/technical/faq/ Motorola FAQs]BR [http://developer.apple.com/techpubs/macosx/DeveloperTools/Assembler/AssemblerTOC.html Apple: assember]BR [http://slashdot.org/article.pl?sid=01/11/18/1859208 discussion on SlashDot]BR [http://directory.google.com/Top/Computers/Software/Operating_Systems/Linux/Platforms/PowerPC/ links on Google Directory]BR
PA
[http://www.parisc-linux.org/ Linux on PARISC] BR
SuperH
[http://www.linux-sh.org/ Linux on SuperH] BR
UserMode
[http://user-mode-linux.sourceforge.net/][[BR]]
[http://directory.google.com/Top/Computers/Software/Operating_Systems/Linux/Platforms/ Google Directory on Linux ports]BR [http://www.cyut.edu.tw/~ckhung/resource/linux_ports.html linux_ports.html]BR [http://webster.cs.ucr.edu/Page_asm/ArtOfAsm.html Art of Assembly Language Programming] - online textbook focussed on x86BR [http://www.tldp.org/HOWTO/Assembly-HOWTO/ Linux Assembly HOWTO]BR [http://www.treblig.org/Linux_kernel_source_finder.html source for various ports]BR [http://www.osdl.org/archive/rddunlap/linux-port-25x.html Some Linux 2.5.x Porting help]BR