My brian stopped working but I figured I'd send my issue and hopefully
I'll wake up and someone will have a solution for me.
The problem is we can call flush_cache(0xfffff000, 0x1000) which will
never exit the loop:
void flush_cache(ulong start_addr, ulong size)
{
#ifndef CONFIG_5xx
ulong addr, start;
u64 end;
start = start_addr & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
end = start_addr + size - 1;
for (addr = start; addr <= end; addr +=
CONFIG_SYS_CACHELINE_SIZE) {
asm volatile("dcbst 0,%0" : : "r" (addr) : "memory");
WATCHDOG_RESET();
}
...
since end = 0xffffffff. There are some other situations (like
flush_cache(0, 0)) that cause similar issues, but less concerned about
that.
Any suggestions on how to best to re-write the code to correctly
handle flush_cache(0xfffff000, 0x1000) are welcome.
- k
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