Date: Fri, 13 May 2011 01:39:00 +0900 From: "Rozhuk Ivan" <Rozhuk_I@mail.ru> To: <freebsd-arm@freebsd.org> Subject: how to add DMA support? Message-ID: <029601cc10c3$19ca3090$4d5e91b0$@ru>
next in thread | raw e-mail | index | archive | help
Hi! STR813X/CNS213X have: - eight-channel Generic DMA controller (GDMA) - single-channel High Speed DMA controller (HSDMA) Both for: memory-to-memory, memory-to-peripheral, peripheral-to-memory, = and peripheral-to-peripheral data transferring with a shared buffer. Both have IRQ: - Generic DMA Terminal Counter, Generic DMA Error (GDMA) - HSDMA Terminal Counter and Error Interrupt. How I can tell system to use DMA? How tell to use DMA in ECHI and OCHI standard USB drives? =A0 -- Rozhuk Ivan =A0=20
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?029601cc10c3$19ca3090$4d5e91b0$>