summaryrefslogtreecommitdiff
path: root/arch/m68k/platform/coldfire/intc-simr.c
diff options
context:
space:
mode:
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
commit0980bd9cd32de2fef7eaa2858345c49d14498625 (patch)
tree41f5f823d0569a81b22037e79c22d823933a63f1 /arch/m68k/platform/coldfire/intc-simr.c
parent78821b2c0299ab807d483802f09897728b93bce0 (diff)
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
Merge commit 'v3.6-rc1' into linux-next
* commit 'v3.6-rc1': (9532 commits) Linux 3.6-rc1 mm: remove node_start_pfn checking in new WARN_ON for now ARM: mmp: add missing irqs.h arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes libceph: fix crypto key null deref, memory leak ceph: simplify+fix atomic_open sh: explicitly include sh_dma.h in setup-sh7722.c um: Add arch/x86/um to MAINTAINERS um: pass siginfo to guest process um: fix ubd_file_size for read-only files md/dm-raid: DM_RAID should select MD_RAID10 md/raid1: submit IO from originating thread instead of md thread. raid5: raid5d handle stripe in batch way raid5: make_request use batch stripe release um: pull interrupt_end() into userspace() um: split syscall_trace(), pass pt_regs to it um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs MIPS: Loongson 2: Sort out clock managment. locks: remove unused lm_release_private ...
Diffstat (limited to 'arch/m68k/platform/coldfire/intc-simr.c')
-rw-r--r--arch/m68k/platform/coldfire/intc-simr.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/m68k/platform/coldfire/intc-simr.c b/arch/m68k/platform/coldfire/intc-simr.c
index 650d52e2927e..7cf2c156f72d 100644
--- a/arch/m68k/platform/coldfire/intc-simr.c
+++ b/arch/m68k/platform/coldfire/intc-simr.c
@@ -59,16 +59,18 @@ static unsigned int inline irq2ebit(unsigned int irq)
#endif
/*
- * There maybe one or two interrupt control units, each has 64
- * interrupts. If there is no second unit then MCFINTC1_* defines
- * will be 0 (and code for them optimized away).
+ * There maybe one, two or three interrupt control units, each has 64
+ * interrupts. If there is no second or third unit then MCFINTC1_* or
+ * MCFINTC2_* defines will be 0 (and code for them optimized away).
*/
static void intc_irq_mask(struct irq_data *d)
{
unsigned int irq = d->irq - MCFINT_VECBASE;
- if (MCFINTC1_SIMR && (irq > 64))
+ if (MCFINTC2_SIMR && (irq > 128))
+ __raw_writeb(irq - 128, MCFINTC2_SIMR);
+ else if (MCFINTC1_SIMR && (irq > 64))
__raw_writeb(irq - 64, MCFINTC1_SIMR);
else
__raw_writeb(irq, MCFINTC0_SIMR);
@@ -78,7 +80,9 @@ static void intc_irq_unmask(struct irq_data *d)
{
unsigned int irq = d->irq - MCFINT_VECBASE;
- if (MCFINTC1_CIMR && (irq > 64))
+ if (MCFINTC2_CIMR && (irq > 128))
+ __raw_writeb(irq - 128, MCFINTC2_CIMR);
+ else if (MCFINTC1_CIMR && (irq > 64))
__raw_writeb(irq - 64, MCFINTC1_CIMR);
else
__raw_writeb(irq, MCFINTC0_CIMR);
@@ -99,9 +103,11 @@ static unsigned int intc_irq_startup(struct irq_data *d)
unsigned int ebit = irq2ebit(irq);
u8 v;
+#if defined(MCFEPORT_EPDDR)
/* Set EPORT line as input */
v = __raw_readb(MCFEPORT_EPDDR);
__raw_writeb(v & ~(0x1 << ebit), MCFEPORT_EPDDR);
+#endif
/* Set EPORT line as interrupt source */
v = __raw_readb(MCFEPORT_EPIER);
@@ -109,12 +115,13 @@ static unsigned int intc_irq_startup(struct irq_data *d)
}
irq -= MCFINT_VECBASE;
- if (MCFINTC1_ICR0 && (irq > 64))
+ if (MCFINTC2_ICR0 && (irq > 128))
+ __raw_writeb(5, MCFINTC2_ICR0 + irq - 128);
+ else if (MCFINTC1_ICR0 && (irq > 64))
__raw_writeb(5, MCFINTC1_ICR0 + irq - 64);
else
__raw_writeb(5, MCFINTC0_ICR0 + irq);
-
intc_irq_unmask(d);
return 0;
}
@@ -175,8 +182,11 @@ void __init init_IRQ(void)
__raw_writeb(0xff, MCFINTC0_SIMR);
if (MCFINTC1_SIMR)
__raw_writeb(0xff, MCFINTC1_SIMR);
+ if (MCFINTC2_SIMR)
+ __raw_writeb(0xff, MCFINTC2_SIMR);
- eirq = MCFINT_VECBASE + 64 + (MCFINTC1_ICR0 ? 64 : 0);
+ eirq = MCFINT_VECBASE + 64 + (MCFINTC1_ICR0 ? 64 : 0) +
+ (MCFINTC2_ICR0 ? 64 : 0);
for (irq = MCFINT_VECBASE; (irq < eirq); irq++) {
if ((irq >= EINT1) && (irq <= EINT7))
irq_set_chip(irq, &intc_irq_chip_edge_port);