sparc32: ledma extra registers
ledma has 0x20 bytes of registers according to OBP, and at least Solaris9 reads the 5th register which is beyond what we've mapped. So let's setup a flag (inspired by a previous patch from Blue Swirl) to identify ledma from espdma, and map another 16 bytes of registers which return 0. Signed-off-by: NBob Breuer <breuerr@mc.net> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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