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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-12 11:28:00 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-12 11:28:00 +0100 |
| commit | 742c52533b05d8ae83c794bd6811100675b85ce5 (patch) | |
| tree | de89a81d88c19504d1dc4f023a4b480c9022b3b5 /arch/arm/mach-at91/include/mach/entry-macro.S | |
| parent | 36cd4fb5d277f34fe9e4db0deac2d4efd7dff735 (diff) | |
| parent | 10fec20ef5eec1c91913baec1225400f0d02df40 (diff) | |
| download | talos-op-linux-742c52533b05d8ae83c794bd6811100675b85ce5.tar.gz talos-op-linux-742c52533b05d8ae83c794bd6811100675b85ce5.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-arm/arch-omap/onenand.h
Diffstat (limited to 'arch/arm/mach-at91/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/entry-macro.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/entry-macro.S b/arch/arm/mach-at91/include/mach/entry-macro.S new file mode 100644 index 000000000000..7ab68f972227 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/entry-macro.S @@ -0,0 +1,32 @@ +/* + * 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 disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) + ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number + teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt + streq \tmp, [\base, #(AT91_AIC_EOICR - AT91_AIC)] @ not going to be handled further, then ACK it now. + .endm + |
