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- /*
- * include/asm-arm/arch-pxa/entry-macro.S
- *
- * Low-level IRQ helper macros for PXA-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>
- #include <asm/arch/irqs.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
- #ifdef CONFIG_PXA27x
- mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
- mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
- #else
- mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
- add \base, \base, #0x00d00000
- ldr \irqstat, [\base, #0] @ ICIP
- ldr \irqnr, [\base, #4] @ ICMR
- #endif
- ands \irqnr, \irqstat, \irqnr
- beq 1001f
- rsb \irqstat, \irqnr, #0
- and \irqstat, \irqstat, \irqnr
- clz \irqnr, \irqstat
- rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
- 1001:
- .endm
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