On Fri, Sep 17, 2010 at 7:10 AM, Heiko Schocher <h...@denx.de> wrote: > This patch series add full relocation and cache support for arm > based boards. I test this for arm1136, arm_cortexa8 and arm926ejs > based boards. > > Relocation support: > > !! This change is not compatible to old code !! > > If you want to compile in old style, you can set > > CONFIG_SYS_ARM_WITHOUT_RELOC > > but this possibility will be removed soon, so please > adapt your board(s) > > changed arch/arm/lib/board.c to get inline with arch/powerpc/lib/board.c > maybe it is possible to snyc them to one arch/generic/lib/board.c? > > This approach is similiar to powerpc, so there is a need for > an initial stack pointer addr defined through CONFIG_SYS_INIT_SP_ADDR. > > Please also read doc/README.arm-relocation There is more > info what is done, and maybe should be done. > > Cache support: > > I used the patches from Alessandro Rubini: > http://lists.denx.de/pipermail/u-boot/2010-January/067099.html > > and rebased them to actual code. Also, in case of full relocation, > the position of the TLB can not be set on compile time, instead > it is calculated in board_init_f() and stored in gd. Also added > cache support for arm_cortexa8 and arm1136. > > changes since v1: > > - missed to add statistics for enabling dcache to arm926ejs in > commit message. Add also CACHE command to the tx25 and > magnesium board. So I changed old patch > "ARM: flush cache for arm926" to > "ARM (ARM926ejs): add data cache support, tested on magnesium and tx25 board" > - set TEXT_BASE == relocation address for the tx25 board. > -> in relocation_code() no need to copy code again for > this board. This results in editing "ARM: implement relocation for ARM926" > patch.
Tested u-boot/next, where the following is also applied: 97003756249bd790910417eb66f0039bbf06a02c da8xx: fixup ARM relocation support Tests on da850evm with NAND and MII PHY enabled work fine. Tested-by: Ben Gardiner <bengardi...@nanometrics.ca> Best Regards, Ben Gardiner --- Nanometrics Inc. http://www.nanometrics.ca _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
