entry-macro.S
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- /*
- * include/asm-arm/arch-footbridge/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 <asm/hardware/dec21285.h>
- .macro disable_fiq
- .endm
- .equ dc21285_high, ARMCSR_BASE & 0xff000000
- .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- mov r4, #dc21285_high
- .if dc21285_low
- orr r4, r4, #dc21285_low
- .endif
- ldr irqstat, [r4, #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