Messages in this thread | | | From | Marek Vasut <> | Subject | Re: pxa300 - DDRAM base value | Date | Sat, 5 Jun 2010 19:19:17 +0200 |
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Dne Út 1. června 2010 07:44:18 balakrishnan napsal(a): > I am working on pxa300 based development board and using Linux 2.6.34. > This Linux kernel already has support for following boards > 1. zylonite_pxa300 > 2. cm-x300 > 3. colibri-pxa300 > 4. littleton > > My doubt is that pxa300 based boards are using "0xa0000000" as DDRAM > base and PHYS_OFFSET is also defined in > "arch/arm/mach-pxa/include/mach/memory.h" as 0xa0000000. > But in our board DDR is mapped in 0x80000000. Does it make any > problem?. Because after mmu is turned ON, my board is hanging. > > "zreladdr-y := 0x80008000" is defined in > "arch/arm/mach-pxa/Makefile.boot" file . > my machine_desc is as follows > .phys_io = 0x40000000, > .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, > .boot_params = 0x80000100, >
Try editing both arch/arm/mach-pxa/Makefile.boot and arch/arm/mach/pxa/include/mach/memory.h
> With Thanks > J.Balakrishnan
The 0x80000000 should be aliased to 0xa0000000, but looking into the PXA docs, it is only on pxa320. Eric, any ideas on this ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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