| To: | <linux-mips@linux-mips.org> |
|---|---|
| Subject: | RE: smp8634 add memory at dram1 |
| From: | "Gustafsson Marcus-MGU001" <marcus.gustafsson@motorola.com> |
| Date: | Thu, 15 Nov 2007 10:49:23 -0000 |
| In-reply-to: | <473B1DD0.2090903@avtrex.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
| Thread-index: | Acgm2QB4xn+6fb3YRXGJOOt6dN86XAAm96dA |
| Thread-topic: | smp8634 add memory at dram1 |
David Daney wrote > I think your understanding of the 8634 is at least close to correct. > > It may be possible (but I have not tried it yet) to use the > remapping registers to move dram1 into the first 512MB of the > memory space. If it is possible, you would then have to > modify the gbus access functions accordingly. Also the 8634 > media drivers would probably have to be changed as well. I > am not sure about the microcode for the media DSPs, but if it > is dependent on the mapping of the DRAM, then you would > probably have to get the vendor's help. > > Let me know if you are successful. AFAIK the memory bandwith available is not enough for supporting video decoding and Linux usage at the same dram controller. /Marcus Gustafsson |
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