| 1 | /* |
| 2 | * Generic interrupt handler for Broadcom MIPS boards |
| 3 | * |
| 4 | * Copyright 2004, Broadcom Corporation |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY |
| 8 | * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM |
| 9 | * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS |
| 10 | * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <linux/config.h> |
| 15 | |
| 16 | #include <asm/asm.h> |
| 17 | #include <asm/mipsregs.h> |
| 18 | #include <asm/regdef.h> |
| 19 | #include <asm/stackframe.h> |
| 20 | |
| 21 | /* |
| 22 | * MIPS IRQ Source |
| 23 | * -------- ------ |
| 24 | * 0 Software (ignored) |
| 25 | * 1 Software (ignored) |
| 26 | * 2 Combined hardware interrupt (hw0) |
| 27 | * 3 Hardware |
| 28 | * 4 Hardware |
| 29 | * 5 Hardware |
| 30 | * 6 Hardware |
| 31 | * 7 R4k timer |
| 32 | */ |
| 33 | |
| 34 | .text |
| 35 | .set noreorder |
| 36 | .set noat |
| 37 | .align 5 |
| 38 | NESTED(brcmIRQ, PT_SIZE, sp) |
| 39 | SAVE_ALL |
| 40 | CLI |
| 41 | .set at |
| 42 | .set noreorder |
| 43 | |
| 44 | jal brcm_irq_dispatch |
| 45 | move a0, sp |
| 46 | |
| 47 | j ret_from_irq |
| 48 | nop |
| 49 | |
| 50 | END(brcmIRQ) |
| 51 | |
