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Changes in aid of FIQ support: 

Add ioc_fiq_setmask().
  Change ioc_irq_status_full() to use the request registers rather than the
  status registers.  This is brings it into line with the Unix baclplane, and
  makes detecting downgraded FIQs possible.
This commit is contained in:
bjh21 2001-08-19 15:27:44 +00:00
parent 664a532e86
commit 8b7128e398
1 changed files with 19 additions and 4 deletions
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23
sys/arch/arm26/iobus/ioc.c
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@ -1,4 +1,4 @@
/* $NetBSD: ioc.c,v 1.12 2001/06/19 13:42:12 wiz Exp $ */ /* $NetBSD: ioc.c,v 1.13 2001/08/19 15:27:44 bjh21 Exp $ */
/*- /*-
* Copyright (c) 1998, 1999, 2000 Ben Harris * Copyright (c) 1998, 1999, 2000 Ben Harris
@ -33,7 +33,7 @@
#include <sys/param.h> #include <sys/param.h>
__RCSID("$NetBSD: ioc.c,v 1.12 2001/06/19 13:42:12 wiz Exp $"); __RCSID("$NetBSD: ioc.c,v 1.13 2001/08/19 15:27:44 bjh21 Exp $");
#include <sys/device.h> #include <sys/device.h>
#include <sys/kernel.h> #include <sys/kernel.h>
@ -254,8 +254,8 @@ ioc_irq_status_full()
bus_space_read_1(bst, bsh, IOC_IRQMSKA) | bus_space_read_1(bst, bsh, IOC_IRQMSKA) |
(bus_space_read_1(bst, bsh, IOC_IRQMSKB) << 8)); (bus_space_read_1(bst, bsh, IOC_IRQMSKB) << 8));
#endif #endif
return bus_space_read_1(bst, bsh, IOC_IRQSTA) | return bus_space_read_1(bst, bsh, IOC_IRQRQA) |
(bus_space_read_1(bst, bsh, IOC_IRQSTB) << 8); (bus_space_read_1(bst, bsh, IOC_IRQRQB) << 8);
} }
void void
@ -314,6 +314,21 @@ int ioc_get_irq_level(struct device *self, int irq)
#endif /* 0 */ #endif /* 0 */
/*
* FIQs
*/
void
ioc_fiq_setmask(u_int32_t mask)
{
struct ioc_softc *sc = (void *)the_ioc;
bus_space_tag_t bst = sc->sc_bst;
bus_space_handle_t bsh = sc->sc_bsh;
bus_space_write_1(bst, bsh, IOC_FIQMSK, mask);
}
/* /*
* Counters * Counters