1 /* 2 * arch/arm/mach-footbridge/include/mach/entry-macro.S 3 * 4 * Low-level IRQ helper macros for footbridge-based platforms 5 * 6 * This file is licensed under the terms of the GNU General Public 7 * License version 2. This program is licensed "as is" without any 8 * warranty of any kind, whether express or implied. 9 */ 10 #include <mach/hardware.h> 11 #include <mach/irqs.h> 12 #include <asm/hardware/dec21285.h> 13 14 .equ dc21285_high, ARMCSR_BASE & 0xff000000 15 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff 16 17 .macro get_irqnr_preamble, base, tmp 18 mov \base, #dc21285_high 19 .if dc21285_low 20 orr \base, \base, #dc21285_low 21 .endif 22 .endm 23 24 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 25 ldr \irqstat, [\base, #0x180] @ get interrupts 26 27 mov \irqnr, #IRQ_SDRAMPARITY 28 tst \irqstat, #IRQ_MASK_SDRAMPARITY 29 bne 1001f 30 31 tst \irqstat, #IRQ_MASK_UART_RX 32 movne \irqnr, #IRQ_CONRX 33 bne 1001f 34 35 tst \irqstat, #IRQ_MASK_DMA1 36 movne \irqnr, #IRQ_DMA1 37 bne 1001f 38 39 tst \irqstat, #IRQ_MASK_DMA2 40 movne \irqnr, #IRQ_DMA2 41 bne 1001f 42 43 tst \irqstat, #IRQ_MASK_IN0 44 movne \irqnr, #IRQ_IN0 45 bne 1001f 46 47 tst \irqstat, #IRQ_MASK_IN1 48 movne \irqnr, #IRQ_IN1 49 bne 1001f 50 51 tst \irqstat, #IRQ_MASK_IN2 52 movne \irqnr, #IRQ_IN2 53 bne 1001f 54 55 tst \irqstat, #IRQ_MASK_IN3 56 movne \irqnr, #IRQ_IN3 57 bne 1001f 58 59 tst \irqstat, #IRQ_MASK_PCI 60 movne \irqnr, #IRQ_PCI 61 bne 1001f 62 63 tst \irqstat, #IRQ_MASK_DOORBELLHOST 64 movne \irqnr, #IRQ_DOORBELLHOST 65 bne 1001f 66 67 tst \irqstat, #IRQ_MASK_I2OINPOST 68 movne \irqnr, #IRQ_I2OINPOST 69 bne 1001f 70 71 tst \irqstat, #IRQ_MASK_TIMER1 72 movne \irqnr, #IRQ_TIMER1 73 bne 1001f 74 75 tst \irqstat, #IRQ_MASK_TIMER2 76 movne \irqnr, #IRQ_TIMER2 77 bne 1001f 78 79 tst \irqstat, #IRQ_MASK_TIMER3 80 movne \irqnr, #IRQ_TIMER3 81 bne 1001f 82 83 tst \irqstat, #IRQ_MASK_UART_TX 84 movne \irqnr, #IRQ_CONTX 85 bne 1001f 86 87 tst \irqstat, #IRQ_MASK_PCI_ABORT 88 movne \irqnr, #IRQ_PCI_ABORT 89 bne 1001f 90 91 tst \irqstat, #IRQ_MASK_PCI_SERR 92 movne \irqnr, #IRQ_PCI_SERR 93 bne 1001f 94 95 tst \irqstat, #IRQ_MASK_DISCARD_TIMER 96 movne \irqnr, #IRQ_DISCARD_TIMER 97 bne 1001f 98 99 tst \irqstat, #IRQ_MASK_PCI_DPERR 100 movne \irqnr, #IRQ_PCI_DPERR 101 bne 1001f 102 103 tst \irqstat, #IRQ_MASK_PCI_PERR 104 movne \irqnr, #IRQ_PCI_PERR 105 1001: 106 .endm 107 108