diff options
Diffstat (limited to 'include/asm-arm/arch-l7200/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-l7200/entry-macro.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/entry-macro.S b/include/asm-arm/arch-l7200/entry-macro.S new file mode 100644 index 000000000000..8b6342dc4be2 --- /dev/null +++ b/include/asm-arm/arch-l7200/entry-macro.S @@ -0,0 +1,29 @@ +/* + * include/asm-arm/arch-l7200/entry-macro.S + * + * Low-level IRQ helper macros for L7200-based 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> + + .equ irq_base_addr, IO_BASE_2 + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + mov \irqstat, #irq_base_addr @ Virt addr IRQ regs + add \irqstat, \irqstat, #0x00001000 @ Status reg + ldr \irqstat, [\irqstat, #0] @ get interrupts + mov \irqnr, #0 +1001: tst \irqstat, #1 + addeq \irqnr, \irqnr, #1 + moveq \irqstat, \irqstat, lsr #1 + tsteq \irqnr, #32 + beq 1001b + teq \irqnr, #32 + .endm + |