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authoritojun <itojun@NetBSD.org>2000-07-05 18:42:19 +0000
committeritojun <itojun@NetBSD.org>2000-07-05 18:42:19 +0000
commit5f1c4bb5197b09bbb833428cff3b19297930415c (patch)
tree767f8296d69df7d2dda605c58cc3c6797f38eb31 /sys/dev/microcode/isp
parent4c19b21f7263e038ecc0ea90eda961fb36f0e17f (diff)
use memory mapped address, instead of i/o memory access, for control
registers. rationale: - Netwave cards choke if we map i/o memory to >= 0x400 - even though, CIS tuple talks nothing about it - it is not possible to specify range in pcmcia_io_map - it would be very bad to do a try-and-error bus_space allocation for i/o memory regions < 0x400 - we can have exactly the same functionality with memory mapped access this should correct PR 10139. the memory mapped access idea was from WIDE wildboar/bsdi cnw code.
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