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authorMark Kettenis <kettenis@cvs.openbsd.org>2009-04-08 21:19:32 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2009-04-08 21:19:32 +0000
commit7d6c453d8038a6f7688bf4d0d3137bc6b56e5436 (patch)
tree62204ad0cf2b02e386e67798141b8a7efb2052de /sys/arch/arm/xscale
parent8238133246ae3851704cd0610f21634538e47b8f (diff)
Cleanup arm soft interrupt handling; remove the unused IPL_SERIAL and rename
IPL_SOFTSERIAL to IPL_SOFTTTY. tested by oga@ ok miod@
Diffstat (limited to 'sys/arch/arm/xscale')
-rw-r--r--sys/arch/arm/xscale/i80321_intr.c8
-rw-r--r--sys/arch/arm/xscale/pxa2x0_intr.c44
2 files changed, 23 insertions, 29 deletions
diff --git a/sys/arch/arm/xscale/i80321_intr.c b/sys/arch/arm/xscale/i80321_intr.c
index 0ab42780968..9ac0f057638 100644
--- a/sys/arch/arm/xscale/i80321_intr.c
+++ b/sys/arch/arm/xscale/i80321_intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: i80321_intr.c,v 1.11 2007/05/19 15:47:16 miod Exp $ */
+/* $OpenBSD: i80321_intr.c,v 1.12 2009/04/08 21:19:31 kettenis Exp $ */
/*
* Copyright (c) 2006 Dale Rahn <drahn@openbsd.org>
@@ -160,8 +160,8 @@ i80321intc_calc_mask(void)
i80321intc_smask[i] |= SI_TO_IRQBIT(SI_SOFTCLOCK);
if (i < IPL_SOFTNET)
i80321intc_smask[i] |= SI_TO_IRQBIT(SI_SOFTNET);
- if (i < IPL_SOFTSERIAL)
- i80321intc_smask[i] |= SI_TO_IRQBIT(SI_SOFTSERIAL);
+ if (i < IPL_SOFTTTY)
+ i80321intc_smask[i] |= SI_TO_IRQBIT(SI_SOFTTTY);
#if 0
printf("mask[%d]: %x %x\n", i, i80321intc_smask[i],
i80321intc_imask[i]);
@@ -199,7 +199,7 @@ i80321intc_do_pending(void)
}
do {
- DO_SOFTINT(SI_SOFTSERIAL, IPL_SOFTSERIAL);
+ DO_SOFTINT(SI_SOFTTTY, IPL_SOFTTTY);
DO_SOFTINT(SI_SOFTNET, IPL_SOFTNET);
DO_SOFTINT(SI_SOFTCLOCK, IPL_SOFTCLOCK);
DO_SOFTINT(SI_SOFT, IPL_SOFT);
diff --git a/sys/arch/arm/xscale/pxa2x0_intr.c b/sys/arch/arm/xscale/pxa2x0_intr.c
index 0ba419b4fac..8a9bb619dab 100644
--- a/sys/arch/arm/xscale/pxa2x0_intr.c
+++ b/sys/arch/arm/xscale/pxa2x0_intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pxa2x0_intr.c,v 1.17 2008/05/19 18:42:12 miod Exp $ */
+/* $OpenBSD: pxa2x0_intr.c,v 1.18 2009/04/08 21:19:31 kettenis Exp $ */
/* $NetBSD: pxa2x0_intr.c,v 1.5 2003/07/15 00:24:55 lukem Exp $ */
/*
@@ -152,14 +152,14 @@ pxaintc_attach(struct device *parent, struct device *self, void *args)
handler[i].name = "stray";
handler[i].func = pxa2x0_stray_interrupt;
handler[i].arg = (void *)(u_int32_t) i;
- extirq_level[i] = IPL_SERIAL;
+ extirq_level[i] = IPL_HIGH;
#endif
}
pxa2x0_init_interrupt_masks();
- _splraise(IPL_SERIAL);
+ _splraise(IPL_HIGH);
enable_interrupts(I32_bit);
}
@@ -191,7 +191,7 @@ static const int si_to_ipl[SI_NQUEUES] = {
IPL_SOFT, /* SI_SOFT */
IPL_SOFTCLOCK, /* SI_SOFTCLOCK */
IPL_SOFTNET, /* SI_SOFTNET */
- IPL_SOFTSERIAL, /* SI_SOFTSERIAL */
+ IPL_SOFTTTY, /* SI_SOFTTTY */
};
/*
@@ -297,7 +297,7 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
for (irq = 0; irq < ICU_LEN; irq++) {
int i;
int max = IPL_NONE;
- int min = IPL_HIGH; /* XXX kill IPL_SERIAL */
+ int min = IPL_HIGH;
TAILQ_FOREACH(ih, &handler[irq].list, ih_list) {
if (ih->ih_level > max)
max = ih->ih_level;
@@ -316,7 +316,7 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
pxa2x0_imask[i] |= (1 << irq);
/* Disable interrupt at upper level */
- for( ; i < NIPL-1; ++i)
+ for( ; i < NIPL; ++i)
pxa2x0_imask[i] &= ~(1 << irq);
}
@@ -325,17 +325,17 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
SI_TO_IRQBIT(SI_SOFT) |
SI_TO_IRQBIT(SI_SOFTCLOCK) |
SI_TO_IRQBIT(SI_SOFTNET) |
- SI_TO_IRQBIT(SI_SOFTSERIAL);
+ SI_TO_IRQBIT(SI_SOFTTTY);
pxa2x0_imask[IPL_SOFT] |=
SI_TO_IRQBIT(SI_SOFTCLOCK) |
SI_TO_IRQBIT(SI_SOFTNET) |
- SI_TO_IRQBIT(SI_SOFTSERIAL);
+ SI_TO_IRQBIT(SI_SOFTTTY);
pxa2x0_imask[IPL_SOFTCLOCK] |=
SI_TO_IRQBIT(SI_SOFTNET) |
- SI_TO_IRQBIT(SI_SOFTSERIAL);
+ SI_TO_IRQBIT(SI_SOFTTTY);
pxa2x0_imask[IPL_SOFTNET] |=
- SI_TO_IRQBIT(SI_SOFTSERIAL);
- pxa2x0_imask[IPL_SOFTSERIAL] |=
+ SI_TO_IRQBIT(SI_SOFTTTY);
+ pxa2x0_imask[IPL_SOFTTTY] |=
0;
#else
int level; /* debug */
@@ -346,7 +346,7 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
for(i = 0; i < irqlevel; ++i)
pxa2x0_imask[i] |= mask; /* Enable interrupt at lower level */
- for( ; i < NIPL-1; ++i)
+ for( ; i < NIPL; ++i)
pxa2x0_imask[i] &= ~mask; /* Disable interrupt at upper level */
#endif
@@ -357,8 +357,8 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
*/
pxa2x0_imask[IPL_BIO] &= pxa2x0_imask[IPL_SOFTNET];
pxa2x0_imask[IPL_NET] &= pxa2x0_imask[IPL_BIO];
- pxa2x0_imask[IPL_SOFTSERIAL] &= pxa2x0_imask[IPL_NET];
- pxa2x0_imask[IPL_TTY] &= pxa2x0_imask[IPL_SOFTSERIAL];
+ pxa2x0_imask[IPL_SOFTTTY] &= pxa2x0_imask[IPL_NET];
+ pxa2x0_imask[IPL_TTY] &= pxa2x0_imask[IPL_SOFTTTY];
/*
* splvm() blocks all interrupts that use the kernel memory
@@ -383,12 +383,6 @@ pxa2x0_update_intr_masks(int irqno, int irqlevel)
*/
pxa2x0_imask[IPL_HIGH] &= pxa2x0_imask[IPL_STATCLOCK];
- /*
- * XXX We need serial drivers to run at the absolute highest priority
- * in order to avoid overruns, so serial > high.
- */
- pxa2x0_imask[IPL_SERIAL] &= pxa2x0_imask[IPL_HIGH];
-
#ifdef DEBUG
for (level = IPL_NONE; level < NIPL; level++) {
printf("imask %d, %x\n", level, pxa2x0_imask[level]);
@@ -426,7 +420,7 @@ pxa2x0_init_interrupt_masks(void)
SI_TO_IRQBIT(SI_SOFT) |
SI_TO_IRQBIT(SI_SOFTCLOCK) |
SI_TO_IRQBIT(SI_SOFTNET) |
- SI_TO_IRQBIT(SI_SOFTSERIAL);
+ SI_TO_IRQBIT(SI_SOFTTTY);
/*
* Initialize the soft interrupt masks to block themselves.
@@ -434,7 +428,7 @@ pxa2x0_init_interrupt_masks(void)
pxa2x0_imask[IPL_SOFT] = ~SI_TO_IRQBIT(SI_SOFT);
pxa2x0_imask[IPL_SOFTCLOCK] = ~SI_TO_IRQBIT(SI_SOFTCLOCK);
pxa2x0_imask[IPL_SOFTNET] = ~SI_TO_IRQBIT(SI_SOFTNET);
- pxa2x0_imask[IPL_SOFTSERIAL] = ~SI_TO_IRQBIT(SI_SOFTSERIAL);
+ pxa2x0_imask[IPL_SOFTTTY] = ~SI_TO_IRQBIT(SI_SOFTTTY);
pxa2x0_imask[IPL_SOFT] &= pxa2x0_imask[IPL_NONE];
@@ -480,7 +474,7 @@ pxa2x0_do_pending(void)
}
do {
- DO_SOFTINT(SI_SOFTSERIAL,IPL_SOFTSERIAL);
+ DO_SOFTINT(SI_SOFTTTY,IPL_SOFTTTY);
DO_SOFTINT(SI_SOFTNET, IPL_SOFTNET);
DO_SOFTINT(SI_SOFTCLOCK, IPL_SOFTCLOCK);
DO_SOFTINT(SI_SOFT, IPL_SOFT);
@@ -623,8 +617,8 @@ pxa2x0_intr_disestablish(void *cookie)
ih->arg = (void *) irqno;
ih->func = pxa2x0_stray_interrupt;
ih->name = "stray";
- extirq_level[irqno] = IPL_SERIAL;
- pxa2x0_update_intr_masks(irqno, IPL_SERIAL);
+ extirq_level[irqno] = IPL_HIGH;
+ pxa2x0_update_intr_masks(irqno, IPL_HIGH);
restore_interrupts(psw);
#endif