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entry-macro.S
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/*
* arch/arm/mach-footbridge/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for footbridge-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 <mach/hardware.h>
#include <mach/irqs.h>
#include <asm/hardware/dec21285.h>
.equ dc21285_high, ARMCSR_BASE & 0xff000000
.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
.macro get_irqnr_preamble, base, tmp
mov \base, #dc21285_high
.if dc21285_low
orr \base, \base, #dc21285_low
.endif
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqstat, [\base, #0x180] @ get interrupts
mov \irqnr, #IRQ_SDRAMPARITY
tst \irqstat, #IRQ_MASK_SDRAMPARITY
bne 1001f
tst \irqstat, #IRQ_MASK_UART_RX
movne \irqnr, #IRQ_CONRX
bne 1001f
tst \irqstat, #IRQ_MASK_DMA1
movne \irqnr, #IRQ_DMA1
bne 1001f
tst \irqstat, #IRQ_MASK_DMA2
movne \irqnr, #IRQ_DMA2
bne 1001f
tst \irqstat, #IRQ_MASK_IN0
movne \irqnr, #IRQ_IN0
bne 1001f
tst \irqstat, #IRQ_MASK_IN1
movne \irqnr, #IRQ_IN1
bne 1001f
tst \irqstat, #IRQ_MASK_IN2
movne \irqnr, #IRQ_IN2
bne 1001f
tst \irqstat, #IRQ_MASK_IN3
movne \irqnr, #IRQ_IN3
bne 1001f
tst \irqstat, #IRQ_MASK_PCI
movne \irqnr, #IRQ_PCI
bne 1001f
tst \irqstat, #IRQ_MASK_DOORBELLHOST
movne \irqnr, #IRQ_DOORBELLHOST
bne 1001f
tst \irqstat, #IRQ_MASK_I2OINPOST
movne \irqnr, #IRQ_I2OINPOST
bne 1001f
tst \irqstat, #IRQ_MASK_TIMER1
movne \irqnr, #IRQ_TIMER1
bne 1001f
tst \irqstat, #IRQ_MASK_TIMER2
movne \irqnr, #IRQ_TIMER2
bne 1001f
tst \irqstat, #IRQ_MASK_TIMER3
movne \irqnr, #IRQ_TIMER3
bne 1001f
tst \irqstat, #IRQ_MASK_UART_TX
movne \irqnr, #IRQ_CONTX
bne 1001f
tst \irqstat, #IRQ_MASK_PCI_ABORT
movne \irqnr, #IRQ_PCI_ABORT
bne 1001f
tst \irqstat, #IRQ_MASK_PCI_SERR
movne \irqnr, #IRQ_PCI_SERR
bne 1001f
tst \irqstat, #IRQ_MASK_DISCARD_TIMER
movne \irqnr, #IRQ_DISCARD_TIMER
bne 1001f
tst \irqstat, #IRQ_MASK_PCI_DPERR
movne \irqnr, #IRQ_PCI_DPERR
bne 1001f
tst \irqstat, #IRQ_MASK_PCI_PERR
movne \irqnr, #IRQ_PCI_PERR
1001:
.endm