aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-at91rm9200
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-02-20 10:52:01 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-20 10:52:43 +0000
commite80a0e6e7ccdf64575d4384cb4172860422f5b81 (patch)
tree8960fa71eb73d0f1185e893192411cb873362738 /include/asm-arm/arch-at91rm9200
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
parent3668b45d46f777b0773ef5ff49531c1144efb6dd (diff)
[ARM] Merge remaining IOP code
Conflicts: include/asm-arm/arch-at91rm9200/entry-macro.S Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-at91rm9200')
-rw-r--r--include/asm-arm/arch-at91rm9200/entry-macro.S32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/entry-macro.S b/include/asm-arm/arch-at91rm9200/entry-macro.S
new file mode 100644
index 00000000000..0e0aadf2a17
--- /dev/null
+++ b/include/asm-arm/arch-at91rm9200/entry-macro.S
@@ -0,0 +1,32 @@
+/*
+ * include/asm-arm/arch-at91rm9200/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 <asm/hardware.h>
+#include <asm/arch/at91_aic.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \base, =(AT91_VA_BASE_SYS) @ base virtual address of SYS peripherals
+ 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
+