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kernel/linux-rt-4.4.41/arch/arm/mach-footbridge/include/mach/entry-macro.S 2.19 KB
5113f6f70   김현기   kernel add
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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