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mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTD

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Add ps3vram driver, which exposes unused video RAM on the PS3 as a MTD
device suitable for storage or swap.  Fast data transfer is achieved
using a local cache in system RAM and DMA transfers via the GPU.

Signed-off-by: Vivien Chappelier <vivien.chappelier@free.fr>
Signed-off-by: Jim Paris <jim@jtan.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Jim Paris 2009-01-06 11:32:10 +00:00 • committed by Benjamin Herrenschmidt
commit cffb4add03
6 changed files with 828 additions and 0 deletions
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