W dniu 14 sierpnia 2011 13:17 użytkownik Rafał Miłecki <zaj...@gmail.com> napisał: > W dniu 14 sierpnia 2011 11:24 użytkownik Rafał Miłecki > <zaj...@gmail.com> napisał: >> W dniu 14 sierpnia 2011 11:07 użytkownik Rafał Miłecki >> <zaj...@gmail.com> napisał: >>> I guess we should just increase RX ring size instead hacking >>> (stripping) 0x1000 bit. We just need to check on which hardware wl >>> uses 256 ring size. >> >> Ignore that. I just got 8 KiB aligned ring when testing 256 ring size. >> >> I agree with David, that 0x1000 comes from ring address. Depending on >> address alignment it's 0 or 1. > > I wanted to check if firmware ever uses 0x1000 for addressing > purposes. To test that I've increased RX ring size to 257 and waited > for 8 KiB aligned ring address (to avoid copying 0x1000 bit from > address). > > [ 3963.448699] RX ring at 24661e000 > (...) > [ 4041.766608] Read RXSTATUS 0x10000fc0 (makes offs 0xfc0, divided by > 0x10 gives slot 0xfc > [ 4042.066683] Read RXSTATUS 0x10000fd0 (makes offs 0xfd0, divided by > 0x10 gives slot 0xfd > [ 4042.070585] Read RXSTATUS 0x10000fe0 (makes offs 0xfe0, divided by > 0x10 gives slot 0xfe > [ 4042.141030] Read RXSTATUS 0x10000ff0 (makes offs 0xff0, divided by > 0x10 gives slot 0xff > [ 4042.206599] b43-phy0 ERROR: Fatal DMA error: 0x00011000, > 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 > [ 4042.208438] b43-phy0 ERROR: This device does not support DMA on > your system. It will now be switched to PIO. > [ 4042.210463] b43-phy0: Controller RESET (DMA error) ... > > Maybe we should just change: > #define B43_DMA64_TXSTATDPTR 0x00001FFF
I meant #define B43_DMA64_RXSTATDPTR 0x00001FFF ofc -- Rafał _______________________________________________ b43-dev mailing list b43-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/b43-dev
