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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-02-20 10:52:01 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-20 10:52:43 +0000 |
| commit | e80a0e6e7ccdf64575d4384cb4172860422f5b81 (patch) | |
| tree | 8960fa71eb73d0f1185e893192411cb873362738 /include/asm-arm/arch-at91rm9200/entry-macro.S | |
| parent | 3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff) | |
| parent | 3668b45d46f777b0773ef5ff49531c1144efb6dd (diff) | |
| download | blackbird-op-linux-e80a0e6e7ccdf64575d4384cb4172860422f5b81.tar.gz blackbird-op-linux-e80a0e6e7ccdf64575d4384cb4172860422f5b81.zip | |
[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/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-at91rm9200/entry-macro.S | 32 |
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 000000000000..0e0aadf2a175 --- /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 + |
