diff options
Diffstat (limited to 'arch/arm/mach-gemini/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-gemini/include/mach/entry-macro.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S new file mode 100644 index 00000000..f044e430 --- /dev/null +++ b/arch/arm/mach-gemini/include/mach/entry-macro.S @@ -0,0 +1,33 @@ +/* + * Low-level IRQ helper macros for Gemini platform. + * + * Copyright (C) 2001-2006 Storlink, Corp. + * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> + * + * 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> + +#define IRQ_STATUS 0x14 + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS) + ldr \irqnr, [\irqstat] + cmp \irqnr, #0 + beq 2313f + mov \tmp, \irqnr + mov \irqnr, #0 +2312: + tst \tmp, #1 + bne 2313f + add \irqnr, \irqnr, #1 + mov \tmp, \tmp, lsr #1 + cmp \irqnr, #31 + bcc 2312b +2313: + .endm |