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authorLudovic Desroches <ludovic.desroches@atmel.com>2012-06-11 15:38:03 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2012-07-02 14:26:58 +0200
commit3e135466745a62b1814edef74c7b4a25e6bda707 (patch)
tree77949a25a79b63bba42eb9485e2655d68007ae79 /arch/arm/mach-at91/include/mach
parent3a6b37134c71be1b085be7fe5234f364dc68e2de (diff)
downloadblackbird-op-linux-3e135466745a62b1814edef74c7b4a25e6bda707.tar.gz
blackbird-op-linux-3e135466745a62b1814edef74c7b4a25e6bda707.zip
ARM: at91: at91 based machines specify their own irq handler at run time
SOC_AT91SAM9 selects MULTI_IRQ_HANDLER in order to let machines specify their own IRQ handler at run time. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/include/mach')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_aic.h2
-rw-r--r--arch/arm/mach-at91/include/mach/entry-macro.S27
2 files changed, 2 insertions, 27 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_aic.h b/arch/arm/mach-at91/include/mach/at91_aic.h
index 3af7272a4060..78673784bc64 100644
--- a/arch/arm/mach-at91/include/mach/at91_aic.h
+++ b/arch/arm/mach-at91/include/mach/at91_aic.h
@@ -65,4 +65,6 @@ extern void __iomem *at91_aic_base;
#define AT91_AIC_FFDR 0x144 /* Fast Forcing Disable Register [SAM9 only] */
#define AT91_AIC_FFSR 0x148 /* Fast Forcing Status Register [SAM9 only] */
+void at91_aic_handle_irq(struct pt_regs *regs);
+
#endif
diff --git a/arch/arm/mach-at91/include/mach/entry-macro.S b/arch/arm/mach-at91/include/mach/entry-macro.S
deleted file mode 100644
index 903bf205a333..000000000000
--- a/arch/arm/mach-at91/include/mach/entry-macro.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/entry-macro.S
- *
- * Copyright (C) 2003-2005 SAN People
- *
- * Low-level IRQ helper macros for AT91RM9200 platforms
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <mach/hardware.h>
-#include <mach/at91_aic.h>
-
- .macro get_irqnr_preamble, base, tmp
- ldr \base, =at91_aic_base @ base virtual address of AIC peripheral
- ldr \base, [\base]
- .endm
-
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \irqnr, [\base, #AT91_AIC_IVR] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt)
- ldr \irqstat, [\base, #AT91_AIC_ISR] @ read interrupt source number
- teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt
- streq \tmp, [\base, #AT91_AIC_EOICR] @ not going to be handled further, then ACK it now.
- .endm
-
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