Re: [PATCH] SH/Dreamcast - add support for GD-Rom device

Paul Mundt
2007-12-27T22:20:15Z

On Thu, Dec 27, 2007 at 04:52:19PM +0000, Adrian McMenamin wrote:
> This patch adds support for the CD-Rom drive on the SEGA Dreamcast.
>
> The SEGA Dreamcast has a built in CD-Rom drive, electrically similar
> to an ATA-3 drive, but implementing a proprietary packet interface -
> the so-called Sega Packet Interface (SPI)- and also supporting a
> proprietary format of disk - the Giga Disk Rom, with a 1GB capacity.
> The drive is know as the "GD-Rom drive".
>
> This patch partially implements the SPI and also supports reading GD
> Rom disks. Unlike previous GD Rom drivers (which were never in the
> mainline), this driver implements DMA and not PIO for reads. It is a
> new driver, not a modified version of previous drivers.
>
> This is the fifth iteration of this patch - which should work with
> both 2.6-24-rc5 and Paul Mundt's 2.6.25 queue.
>
> Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
>
Looks fine to me. Thanks for cleaning it up, Adrian.