diff options
Diffstat (limited to 'include/asm-cris/arch-v10/irq.h')
| -rw-r--r-- | include/asm-cris/arch-v10/irq.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/include/asm-cris/arch-v10/irq.h b/include/asm-cris/arch-v10/irq.h deleted file mode 100644 index b1128a9984a..00000000000 --- a/include/asm-cris/arch-v10/irq.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Interrupt handling assembler and defines for Linux/CRISv10 - */ - -#ifndef _ASM_ARCH_IRQ_H -#define _ASM_ARCH_IRQ_H - -#include <asm/arch/sv_addr_ag.h> - -#define NR_IRQS 32 - -/* The first vector number used for IRQs in v10 is really 0x20 */ -/* but all the code and constants are offseted to make 0 the first */ -#define FIRST_IRQ 0 - -#define SOME_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, some) /* 0 ? */ -#define NMI_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, nmi) /* 1 */ -#define TIMER0_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, timer0) /* 2 */ -#define TIMER1_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, timer1) /* 3 */ -/* mio, ata, par0, scsi0 on 4 */ -/* par1, scsi1 on 5 */ -#define NETWORK_STATUS_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, network) /* 6 */ - -#define SERIAL_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, serial) /* 8 */ -#define PA_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, pa) /* 11 */ -/* extdma0 and extdma1 is at irq 12 and 13 and/or same as dma5 and dma6 ? */ -#define EXTDMA0_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, ext_dma0) -#define EXTDMA1_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, ext_dma1) - -/* dma0-9 is irq 16..25 */ -/* 16,17: network */ -#define DMA0_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma0) -#define DMA1_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma1) -#define NETWORK_DMA_TX_IRQ_NBR DMA0_TX_IRQ_NBR -#define NETWORK_DMA_RX_IRQ_NBR DMA1_RX_IRQ_NBR - -/* 18,19: dma2 and dma3 shared by par0, scsi0, ser2 and ata */ -#define DMA2_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma2) -#define DMA3_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma3) -#define SER2_DMA_TX_IRQ_NBR DMA2_TX_IRQ_NBR -#define SER2_DMA_RX_IRQ_NBR DMA3_RX_IRQ_NBR - -/* 20,21: dma4 and dma5 shared by par1, scsi1, ser3 and extdma0 */ -#define DMA4_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma4) -#define DMA5_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma5) -#define SER3_DMA_TX_IRQ_NBR DMA4_TX_IRQ_NBR -#define SER3_DMA_RX_IRQ_NBR DMA5_RX_IRQ_NBR - -/* 22,23: dma6 and dma7 shared by ser0, extdma1 and mem2mem */ -#define DMA6_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma6) -#define DMA7_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma7) -#define SER0_DMA_TX_IRQ_NBR DMA6_TX_IRQ_NBR -#define SER0_DMA_RX_IRQ_NBR DMA7_RX_IRQ_NBR -#define MEM2MEM_DMA_TX_IRQ_NBR DMA6_TX_IRQ_NBR -#define MEM2MEM_DMA_RX_IRQ_NBR DMA7_RX_IRQ_NBR - -/* 24,25: dma8 and dma9 shared by ser1 and usb */ -#define DMA8_TX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma8) -#define DMA9_RX_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, dma9) -#define SER1_DMA_TX_IRQ_NBR DMA8_TX_IRQ_NBR -#define SER1_DMA_RX_IRQ_NBR DMA9_RX_IRQ_NBR -#define USB_DMA_TX_IRQ_NBR DMA8_TX_IRQ_NBR -#define USB_DMA_RX_IRQ_NBR DMA9_RX_IRQ_NBR - -/* usb: controller at irq 31 + uses DMA8 and DMA9 */ -#define USB_HC_IRQ_NBR IO_BITNR(R_VECT_MASK_RD, usb) - -/* our fine, global, etrax irq vector! the pointer lives in the head.S file. */ - -typedef void (*irqvectptr)(void); - -struct etrax_interrupt_vector { - irqvectptr v[256]; -}; - -extern struct etrax_interrupt_vector *etrax_irv; -void set_int_vector(int n, irqvectptr addr); -void set_break_vector(int n, irqvectptr addr); - -#define __STR(x) #x -#define STR(x) __STR(x) - -/* SAVE_ALL saves registers so they match pt_regs */ - -#define SAVE_ALL \ - "move $irp,[$sp=$sp-16]\n\t" /* push instruction pointer and fake SBFS struct */ \ - "push $srp\n\t" /* push subroutine return pointer */ \ - "push $dccr\n\t" /* push condition codes */ \ - "push $mof\n\t" /* push multiply overflow reg */ \ - "di\n\t" /* need to disable irq's at this point */\ - "subq 14*4,$sp\n\t" /* make room for r0-r13 */ \ - "movem $r13,[$sp]\n\t" /* push the r0-r13 registers */ \ - "push $r10\n\t" /* push orig_r10 */ \ - "clear.d [$sp=$sp-4]\n\t" /* frametype - this is a normal stackframe */ - - /* BLOCK_IRQ and UNBLOCK_IRQ do the same as mask_irq and unmask_irq */ - -#define BLOCK_IRQ(mask,nr) \ - "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000d8]\n\t" - -#define UNBLOCK_IRQ(mask) \ - "move.d " #mask ",$r0\n\t" \ - "move.d $r0,[0xb00000dc]\n\t" - -#define IRQ_NAME2(nr) nr##_interrupt(void) -#define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) -#define sIRQ_NAME(nr) IRQ_NAME2(sIRQ##nr) -#define BAD_IRQ_NAME(nr) IRQ_NAME2(bad_IRQ##nr) - - /* the asm IRQ handler makes sure the causing IRQ is blocked, then it calls - * do_IRQ (with irq disabled still). after that it unblocks and jumps to - * ret_from_intr (entry.S) - * - * The reason the IRQ is blocked is to allow an sti() before the handler which - * will acknowledge the interrupt is run. - */ - -#define BUILD_IRQ(nr,mask) \ -void IRQ_NAME(nr); \ -__asm__ ( \ - ".text\n\t" \ - "IRQ" #nr "_interrupt:\n\t" \ - SAVE_ALL \ - BLOCK_IRQ(mask,nr) /* this must be done to prevent irq loops when we ei later */ \ - "moveq "#nr",$r10\n\t" \ - "move.d $sp,$r11\n\t" \ - "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ - UNBLOCK_IRQ(mask) \ - "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t"); - -/* This is subtle. The timer interrupt is crucial and it should not be disabled for - * too long. However, if it had been a normal interrupt as per BUILD_IRQ, it would - * have been BLOCK'ed, and then softirq's are run before we return here to UNBLOCK. - * If the softirq's take too much time to run, the timer irq won't run and the - * watchdog will kill us. - * - * Furthermore, if a lot of other irq's occur before we return here, the multiple_irq - * handler is run and it prioritizes the timer interrupt. However if we had BLOCK'ed - * it here, we would not get the multiple_irq at all. - * - * The non-blocking here is based on the knowledge that the timer interrupt is - * registred as a fast interrupt (IRQF_DISABLED) so that we _know_ there will not - * be an sti() before the timer irq handler is run to acknowledge the interrupt. - */ - -#define BUILD_TIMER_IRQ(nr,mask) \ -void IRQ_NAME(nr); \ -__asm__ ( \ - ".text\n\t" \ - "IRQ" #nr "_interrupt:\n\t" \ - SAVE_ALL \ - "moveq "#nr",$r10\n\t" \ - "move.d $sp,$r11\n\t" \ - "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ - "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t"); - -#endif |