projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c97c6864 TL |
1 | /* |
| 2 | * arch/arm/mach-omap1/include/mach/entry-macro.S | |
| 3 | * | |
| 4 | * Low-level IRQ helper macros for OMAP-based platforms | |
| 5 | * | |
| 6 | * Copyright (C) 2009 Texas Instruments | |
| 7 | * | |
| 8 | * This file is licensed under the terms of the GNU General Public | |
| 9 | * License version 2. This program is licensed "as is" without any | |
| 10 | * warranty of any kind, whether express or implied. | |
| 11 | */ | |
| 12 | #include <mach/hardware.h> | |
| 13 | #include <mach/io.h> | |
| 14 | #include <mach/irqs.h> | |
| 15 | #include <asm/hardware/gic.h> | |
| 16 | ||
| c97c6864 TL |
17 | .macro disable_fiq |
| 18 | .endm | |
| 19 | ||
| 20 | .macro get_irqnr_preamble, base, tmp | |
| 21 | .endm | |
| 22 | ||
| 23 | .macro arch_ret_to_user, tmp1, tmp2 | |
| 24 | .endm | |
| 25 | ||
| 26 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | |
| 27 | ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE) | |
| 28 | ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET] | |
| 29 | ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET] | |
| 30 | mov \irqstat, #0xffffffff | |
| 31 | bic \tmp, \irqstat, \tmp | |
| 32 | tst \irqnr, \tmp | |
| 33 | beq 1510f | |
| 34 | ||
| 35 | ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] | |
| 03a9e512 TL |
36 | ldr \tmp, =omap_irq_flags @ irq flags address |
| 37 | ldr \tmp, [\tmp, #0] @ irq flags value | |
| c97c6864 TL |
38 | cmp \irqnr, #0 |
| 39 | ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] | |
| 03a9e512 | 40 | cmpeq \irqnr, \tmp |
| c97c6864 TL |
41 | ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE) |
| 42 | ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] | |
| 43 | addeqs \irqnr, \irqnr, #32 | |
| 44 | 1510: | |
| 45 | .endm | |
| 46 |