| Tony Lindgren | c97c686 | 2009-10-19 17:26:19 -0700 | [diff] [blame] | 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 | |
| Tony Lindgren | c97c686 | 2009-10-19 17:26:19 -0700 | [diff] [blame] | 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] |
| Tony Lindgren | 03a9e51 | 2010-12-09 15:49:23 -0800 | [diff] [blame] | 36 | ldr \tmp, =omap_irq_flags @ irq flags address |
| 37 | ldr \tmp, [\tmp, #0] @ irq flags value |
| Tony Lindgren | c97c686 | 2009-10-19 17:26:19 -0700 | [diff] [blame] | 38 | cmp \irqnr, #0 |
| 39 | ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] |
| Tony Lindgren | 03a9e51 | 2010-12-09 15:49:23 -0800 | [diff] [blame] | 40 | cmpeq \irqnr, \tmp |
| Tony Lindgren | c97c686 | 2009-10-19 17:26:19 -0700 | [diff] [blame] | 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 | |