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authorMarc Zyngier <maz@misterjones.org>2008-09-01 13:03:32 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-09-01 17:13:26 +0100
commit57a7a62eb65b35f51814382b0841ff99be242880 (patch)
tree9cdabcea5ed96a33b26f58430b0b3c36257670cb /arch/arm/mach-pxa
parent7a5063d86e95774ada66baac58fdfb7a80c75180 (diff)
[ARM] 5233/1: Allow PXA to have ISA IRQs numbered 0-15
Allow PXA IRQs to be numbered starting at 16, leaving 0 to 15 for the ISA IRQs, if needed. This patch depends on RMK's PXA_HAVE_BOARD_IRQS patch. Signed-off-by: Marc Zyngier <marc.zyngier@altran.com> Acked-by: Russel King <linux@arm.linux.org.uk> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/Kconfig3
-rw-r--r--arch/arm/mach-pxa/include/mach/entry-macro.S4
-rw-r--r--arch/arm/mach-pxa/include/mach/irqs.h11
-rw-r--r--arch/arm/mach-pxa/irq.c2
4 files changed, 15 insertions, 5 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index c9643bd4849..b0417122d4e 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -353,4 +353,7 @@ config TOSA_BT
config PXA_HAVE_BOARD_IRQS
bool
+config PXA_HAVE_ISA_IRQS
+ bool
+
endif
diff --git a/arch/arm/mach-pxa/include/mach/entry-macro.S b/arch/arm/mach-pxa/include/mach/entry-macro.S
index de16c12d523..f6b4bf3e73d 100644
--- a/arch/arm/mach-pxa/include/mach/entry-macro.S
+++ b/arch/arm/mach-pxa/include/mach/entry-macro.S
@@ -41,7 +41,7 @@
and \irqstat, \irqstat, \irqnr
clz \irqnr, \irqstat
rsb \irqnr, \irqnr, #31
- add \irqnr, \irqnr, #32
+ add \irqnr, \irqnr, #(32 + PXA_IRQ(0))
b 1001f
1003:
mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
@@ -52,6 +52,6 @@
rsb \irqstat, \irqnr, #0
and \irqstat, \irqstat, \irqnr
clz \irqnr, \irqstat
- rsb \irqnr, \irqnr, #31
+ rsb \irqnr, \irqnr, #(31 + PXA_IRQ(0))
1001:
.endm
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index ce3ce17ce3d..9c163e19ada 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -11,7 +11,14 @@
*/
-#define PXA_IRQ(x) (x)
+#ifdef CONFIG_PXA_HAVE_ISA_IRQS
+#define PXA_ISA_IRQ(x) (x)
+#define PXA_ISA_IRQ_NUM (16)
+#else
+#define PXA_ISA_IRQ_NUM (0)
+#endif
+
+#define PXA_IRQ(x) (PXA_ISA_IRQ_NUM + (x))
#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */
@@ -73,7 +80,7 @@
#define IRQ_MMC3 PXA_IRQ(55) /* MMC3 Controller (PXA310) */
#endif
-#define PXA_GPIO_IRQ_BASE (64)
+#define PXA_GPIO_IRQ_BASE PXA_IRQ(64)
#define PXA_GPIO_IRQ_NUM (128)
#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 5e95c5372fe..fa69c3a6a38 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -57,7 +57,7 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
pxa_internal_irq_nr = irq_nr;
- for (irq = 0; irq < irq_nr; irq += 32) {
+ for (irq = PXA_IRQ(0); irq < PXA_IRQ(irq_nr); irq += 32) {
_ICMR(irq) = 0; /* disable all IRQs */
_ICLR(irq) = 0; /* all IRQs are IRQ, not FIQ */
}