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[TC] TURBOchannel support for the DECstation

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This is the platform-specific part of TURBOchannel bus support for the
DECstation.  It implements determining whether the bus is actually there,
getting bus parameters, IRQ assignments for devices and protected accesses
to possibly unoccupied slots that may trigger bus error exceptions.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki
2007-02-05 16:28:26 -08:00
committed by Ralf Baechle
parent 56a47da1b9
commit 33cf45b90e
5 changed files with 103 additions and 1 deletions
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arch/mips/dec/setup.c
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@@ -53,6 +53,8 @@ unsigned long dec_kn_slot_base, dec_kn_slot_size;
EXPORT_SYMBOL(dec_kn_slot_base);
EXPORT_SYMBOL(dec_kn_slot_size);
int dec_tc_bus;
spinlock_t ioasic_ssr_lock;
volatile u32 *ioasic_base;