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Altera_Forum's avatar
Altera_Forum
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21 years ago

usb-storage

I've got the sl811-hcd driver from 2.6.10 working (apparently). I've also got usb-storage compiled into the kernel. Is there anything else, besides scsi disk support, which I need to do to ge...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

The scsi driver uses DMA buffer, it is written that way (it is not used by the USB storage only). This does not mean it will actually use DMA. All you need to do is to make sure DMA buffer allocations won't fail. You can give DMA-able RAM to ZONE_DMA in file arch/nios2nommu/mm/init.c. Refer to a previous thread for more information.

uclinux .data segment in sdram? (http://www.niosforum.com/forum/index.php?act=st&f=18&t=1339)