[ARM] pxa: integrate low IRQ chip (ICIP) and high IRQ chip (ICIP2) into one
This makes the code better organized and simplified a bit. The change
will lose a bit of performance when performing IRQ ack/mask/unmask,but
that's not too much after checking the result binary.
This patch also removes the ugly #ifdef CONFIG_PXA27x .. #endif by
carefully not to access those pxa{27x,3xx} specific registers, this
is done by keeping an internal IRQ number variable. The pxa-regs.h
is also modified so registers for IRQ > PXA_IRQ(31) are made public
even if CONFIG_PXA{27x,3xx} isn't defined (for pxa25x's sake)
The incorrect assumption in the original code that internal irq starts
from 0 is also corrected by comparing with PXA_IRQ(0).
"struct sys_device" for the IRQ are reduced into one single device on
pxa{27x,3xx}.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index fd81e55..e659be4 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1129,6 +1129,11 @@
#define ICPR __REG(0x40D00010) /* Interrupt Controller Pending Register */
#define ICCR __REG(0x40D00014) /* Interrupt Controller Control Register */
+#define ICIP2 __REG(0x40D0009C) /* Interrupt Controller IRQ Pending Register 2 */
+#define ICMR2 __REG(0x40D000A0) /* Interrupt Controller Mask Register 2 */
+#define ICLR2 __REG(0x40D000A4) /* Interrupt Controller Level Register 2 */
+#define ICFP2 __REG(0x40D000A8) /* Interrupt Controller FIQ Pending Register 2 */
+#define ICPR2 __REG(0x40D000AC) /* Interrupt Controller Pending Register 2 */
/*
* General Purpose I/O
@@ -1200,12 +1205,6 @@
/* Interrupt Controller */
-#define ICIP2 __REG(0x40D0009C) /* Interrupt Controller IRQ Pending Register 2 */
-#define ICMR2 __REG(0x40D000A0) /* Interrupt Controller Mask Register 2 */
-#define ICLR2 __REG(0x40D000A4) /* Interrupt Controller Level Register 2 */
-#define ICFP2 __REG(0x40D000A8) /* Interrupt Controller FIQ Pending Register 2 */
-#define ICPR2 __REG(0x40D000AC) /* Interrupt Controller Pending Register 2 */
-
#define _GPLR(x) __REG2(0x40E00000, ((x) & 0x60) >> 3)
#define _GPDR(x) __REG2(0x40E0000C, ((x) & 0x60) >> 3)
#define _GPSR(x) __REG2(0x40E00018, ((x) & 0x60) >> 3)