Re: L2 SRAM on PowerPC e500 and Caching-inhibited bit

2022-04-29 Thread Pali Rohár
On Friday 29 April 2022 22:57:03 Michael Ellerman wrote: > Pali Rohár writes: > > Hello! > > > > I started playing with PowerPC e500 architecture, it is something really > > new for me and I suspect that I found a bug in U-Boot code which > > configures L2 cache as initial SRAM (L2 with locked lin

Re: L2 SRAM on PowerPC e500 and Caching-inhibited bit

2022-04-29 Thread Michael Ellerman
Pali Rohár writes: > Hello! > > I started playing with PowerPC e500 architecture, it is something really > new for me and I suspect that I found a bug in U-Boot code which > configures L2 cache as initial SRAM (L2 with locked lines). > > U-Boot code for the first half of L2 cache sets Caching-inhi

L2 SRAM on PowerPC e500 and Caching-inhibited bit

2022-04-25 Thread Pali Rohár
Hello! I started playing with PowerPC e500 architecture, it is something really new for me and I suspect that I found a bug in U-Boot code which configures L2 cache as initial SRAM (L2 with locked lines). U-Boot code for the first half of L2 cache sets Caching-inhibited (MAS2_I) in TLB and for se