Notes on Sam460ex Haiku port					-*- org -*-

* U-Boot commands
** no-fdt no-initrd
# (seems the U-Boot input buffer is quite limited, can't paste much more on single line in minicom)
setenv ipaddr 192.168.4.100; tftpboot 0x4000000 192.168.4.2:haiku_loader_linux.ub; bootm 0x4000000
** with FDT and tgz as initrd
setenv ipaddr 192.168.4.100
tftpboot 0x4000000 192.168.4.2:haiku_loader_linux.ub
tftpboot 0x8000000 192.168.4.2:haiku_initrd.ub
tftpboot 0xc000000 192.168.4.2:sam460ex.dtb
fdt addr 0xc000000
fdt header
bootm 0x4000000 0x8000000 0xc000000 plop
** for environment:
setenv booth1 'setenv ipaddr 192.168.4.100; tftpboot 0x4000000 192.168.4.2:haiku_loader_linux.ub'
setenv booth2 'tftpboot 0x8000000 192.168.4.2:haiku_initrd.ub'
setenv booth3 'tftpboot 0xc000000 192.168.4.2:sam460ex.dtb'
setenv booth4 'bootm 0x4000000 0x8000000 0xc000000 plop'
setenv booth 'run booth1; run booth2; run booth3; run booth4'
saveenv
run booth


* TODO U-Boot API?
** TODO move Partenope hack to proper official U-Boot API?
** TODO reserved regs?
BoardSetup +=:?
TARGET_BOOT_CCFLAGS += -ffixed-r2 -ffixed-r14 -ffixed-r29 ;
TARGET_BOOT_C++FLAGS += -ffixed-r2 -ffixed-r14 -ffixed-r29 ;

* Other ports
** AROS port
https://www.gitorious.org/aros/aros/commits/sam460
** Linux port
http://kernel.org/doc/ols/2003/ols2003-pages-340-350.pdf
** NetBSD
https://wiki.netbsd.org/users/rkujawa/sam4x0/

* PPC
** Classic
http://class.ee.iastate.edu/cpre211/labs/quickrefPPC.html
http://www.ibm.com/developerworks/library/l-ppc/
http://www.csd.uwo.ca/~mburrel/stuff/ppc-asm.html
** Book-E
http://www.linux-kvm.org/page/PowerPC_Book_E_MMU
http://wiki.freebsd.org/powerpc/BookE
http://en.wikipedia.org/wiki/Memory_management_unit#PowerPC
** ePAPR
https://www.power.org/wp-content/uploads/2012/06/Power_ePAPR_APPROVED_v1.1.pdf
** 440
http://elinux.org/Book_E_and_PPC_440
*** amcc 4x0
http://c0ff33.net/drop/PPC440_UM2013.pdf
http://www.embeddeddeveloper.com/assets/processors/amcc/datasheets/PP460EX_DS2063.pdf
*** Freescale 440 (different mmu!!)
http://www.freescale.com/files/32bit/doc/white_paper/POWRPCARCPRMRM.pdf

* FDT
http://www.denx.de/wiki/U-Boot/UBootFdtInfo
http://wiki.freebsd.org/FlattenedDeviceTree#Supporting_library_.28libfdt.29
(see also arm docs)
** Sam440 dts
http://lxr.linux.no/linux+v3.4/arch/powerpc/boot/dts/sam440ep.dts
** Sam460ex dts: identical to amcc,Canyonlands !?
http://www.denx.de/wiki/view/DULG/Appendix#Section_13.1.

* OF framebuffer
(not really usable from U-Boot (yet?))
http://www.feedface.com/howto/forth.html
http://mail-index.netbsd.org/port-macppc/2004/12/13/0046.html
http://lists.freebsd.org/pipermail/svn-src-user/2012-January/004806.html
http://www.openfirmware.info/Bindings

* TODO kdebug/disasm/ppc
http://code.google.com/p/ppcd/