Hi all, I have a strange issue with a custom board running a 750GX on a Marvell 64360 bridge. I transferred control to the uImage via u-boot (which I had to modify for my board-specific UART and SDRAM inits, also disabling PCI).
Using the UART that's initialized by u-boot, I put some putchar()s in head.S to figure out where the kernel was freezing. It seems 'rfi' in mmu_off doesn't jump off to '__after_mmu_off' as expected. I also put some pattern into SDRAM before an after mmu_off. I just see the pattern (via a PCI interface) put before mmu_off. The contents of SRR0 correctly point to __after_mmu_off just before the 'rfi'. However, the 'rfi' documentation says the value of SRR0 is concatenated with '0x0b00'. I don't think this should be done. Anyways, since this code is supposed to work, I'm not sure why it isn't working. Can any u-boot initializations be causing this? I guess not, I've not touched any CPU-specific settings in u-boot. Can anyone give me some pointers? Thanks, Amit. -- Amit Shah http://amitshah.nav.to/ ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
