114 lines
2.3 KiB
ArmAsm
114 lines
2.3 KiB
ArmAsm
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/*
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* arch/arm/mach-footbridge/include/mach/entry-macro.S
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*
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* Low-level IRQ helper macros for footbridge-based platforms
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <asm/hardware/dec21285.h>
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.equ dc21285_high, ARMCSR_BASE & 0xff000000
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.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
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.macro disable_fiq
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.endm
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.macro get_irqnr_preamble, base, tmp
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mov \base, #dc21285_high
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.if dc21285_low
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orr \base, \base, #dc21285_low
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.endif
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.endm
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.macro arch_ret_to_user, tmp1, tmp2
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.endm
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.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
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ldr \irqstat, [\base, #0x180] @ get interrupts
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mov \irqnr, #IRQ_SDRAMPARITY
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tst \irqstat, #IRQ_MASK_SDRAMPARITY
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bne 1001f
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tst \irqstat, #IRQ_MASK_UART_RX
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movne \irqnr, #IRQ_CONRX
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bne 1001f
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tst \irqstat, #IRQ_MASK_DMA1
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movne \irqnr, #IRQ_DMA1
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bne 1001f
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tst \irqstat, #IRQ_MASK_DMA2
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movne \irqnr, #IRQ_DMA2
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bne 1001f
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tst \irqstat, #IRQ_MASK_IN0
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movne \irqnr, #IRQ_IN0
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bne 1001f
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tst \irqstat, #IRQ_MASK_IN1
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movne \irqnr, #IRQ_IN1
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bne 1001f
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tst \irqstat, #IRQ_MASK_IN2
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movne \irqnr, #IRQ_IN2
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bne 1001f
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tst \irqstat, #IRQ_MASK_IN3
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movne \irqnr, #IRQ_IN3
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bne 1001f
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tst \irqstat, #IRQ_MASK_PCI
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movne \irqnr, #IRQ_PCI
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bne 1001f
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tst \irqstat, #IRQ_MASK_DOORBELLHOST
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movne \irqnr, #IRQ_DOORBELLHOST
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bne 1001f
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tst \irqstat, #IRQ_MASK_I2OINPOST
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movne \irqnr, #IRQ_I2OINPOST
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bne 1001f
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tst \irqstat, #IRQ_MASK_TIMER1
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movne \irqnr, #IRQ_TIMER1
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bne 1001f
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tst \irqstat, #IRQ_MASK_TIMER2
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movne \irqnr, #IRQ_TIMER2
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bne 1001f
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tst \irqstat, #IRQ_MASK_TIMER3
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movne \irqnr, #IRQ_TIMER3
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bne 1001f
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tst \irqstat, #IRQ_MASK_UART_TX
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movne \irqnr, #IRQ_CONTX
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bne 1001f
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tst \irqstat, #IRQ_MASK_PCI_ABORT
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movne \irqnr, #IRQ_PCI_ABORT
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bne 1001f
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tst \irqstat, #IRQ_MASK_PCI_SERR
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movne \irqnr, #IRQ_PCI_SERR
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bne 1001f
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tst \irqstat, #IRQ_MASK_DISCARD_TIMER
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movne \irqnr, #IRQ_DISCARD_TIMER
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bne 1001f
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tst \irqstat, #IRQ_MASK_PCI_DPERR
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movne \irqnr, #IRQ_PCI_DPERR
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bne 1001f
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tst \irqstat, #IRQ_MASK_PCI_PERR
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movne \irqnr, #IRQ_PCI_PERR
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1001:
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.endm
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