Messages in this thread | | | Subject | Re: [PATCH v1 03/13] powerpc/mm/32s: rework mmu_mapin_ram() | From | Christophe Leroy <> | Date | Thu, 13 Dec 2018 12:16:00 +0000 |
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Hi,
On 12/03/2018 09:55 PM, Jonathan Neuschäfer wrote: > Hi, > > On Thu, Nov 29, 2018 at 07:00:16PM +0000, Christophe Leroy wrote: >> This patch reworks mmu_mapin_ram() to be more generic and map as much >> blocks as possible. It now supports blocks not starting at address 0. >> >> It scans DBATs array to find free ones instead of forcing the use of >> BAT2 and BAT3. >> >> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> >> --- > > I've just tested this series on my Wii, and starting from this patch > (03/13), it hangs at the following lines of output: > > [ 0.000000] printk: bootconsole [udbg0] enabled > [ 0.000000] Total memory = 319MB; using 1024kB for hash table (at (ptrval)) > > Before this patch it looks like this and boots to userspace: > > [ 0.000000] printk: bootconsole [udbg0] enabled > [ 0.000000] Total memory = 319MB; using 1024kB for hash table (at (ptrval)) > [ 0.000000] Linux version 4.20.0-rc5-wii-00022-gfbb911b84755 (jn@longitude) (gcc version 8.2.0 (Debian 8.2.0-9)) #1337 PREEMPT Mon Dec 3 21:49:02 CET 2018 > ug_udbg_init: early -> final > usbgecko_udbg: ready > [ 0.000000] Using wii machine description
Can you tell/provide the .config and dts used ?
You seem to have 319MB RAM wherease arch/powerpc/boot/dts/wii.dts only has 88MB Memory:
memory { device_type = "memory"; reg = <0x00000000 0x01800000 /* MEM1 24MB 1T-SRAM */ 0x10000000 0x04000000>; /* MEM2 64MB GDDR3 */ };
Christophe
> ... > > I've tested at patch 1, 2, 3, 4, and 13, so I don't know if it works > somewhere in the middle, but probably not. > > (And in case you're wondering about the 22 in the version string: Those > are mostly patches that give me a serial console.) > > I'm not sure what is going on, because I haven't looked closely at the > patches or tried to debug the problem. If you have some debugging tips, > I can try them. > > > Jonathan Neuschäfer >
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