/*
 * 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	disable_fiq
		.endm

		.macro  get_irqnr_preamble, base, tmp
		mov	\base, #dc21285_high
		.if	dc21285_low
		orr	\base, \base, #dc21285_low
		.endif
		.endm

		.macro  arch_ret_to_user, tmp1, tmp2
		.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
