diff options
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5477/int-handler.S')
| -rw-r--r-- | arch/mips/ddb5xxx/ddb5477/int-handler.S | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/arch/mips/ddb5xxx/ddb5477/int-handler.S b/arch/mips/ddb5xxx/ddb5477/int-handler.S deleted file mode 100644 index 9884874dbeb5..000000000000 --- a/arch/mips/ddb5xxx/ddb5477/int-handler.S +++ /dev/null | |||
| @@ -1,75 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2001 MontaVista Software Inc. | ||
| 3 | * Author: jsun@mvista.com or jsun@junsun.net | ||
| 4 | * | ||
| 5 | * First-level interrupt dispatcher for ddb5477 | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify it | ||
| 8 | * under the terms of the GNU General Public License as published by the | ||
| 9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 10 | * option) any later version. | ||
| 11 | */ | ||
| 12 | #include <asm/asm.h> | ||
| 13 | #include <asm/mipsregs.h> | ||
| 14 | #include <asm/addrspace.h> | ||
| 15 | #include <asm/regdef.h> | ||
| 16 | #include <asm/stackframe.h> | ||
| 17 | #include <asm/ddb5xxx/ddb5477.h> | ||
| 18 | |||
| 19 | /* | ||
| 20 | * first level interrupt dispatcher for ocelot board - | ||
| 21 | * We check for the timer first, then check PCI ints A and D. | ||
| 22 | * Then check for serial IRQ and fall through. | ||
| 23 | */ | ||
| 24 | .align 5 | ||
| 25 | NESTED(ddb5477_handle_int, PT_SIZE, sp) | ||
| 26 | SAVE_ALL | ||
| 27 | CLI | ||
| 28 | .set at | ||
| 29 | .set noreorder | ||
| 30 | mfc0 t0, CP0_CAUSE | ||
| 31 | mfc0 t2, CP0_STATUS | ||
| 32 | |||
| 33 | and t0, t2 | ||
| 34 | |||
| 35 | andi t1, t0, STATUSF_IP7 /* cpu timer */ | ||
| 36 | bnez t1, ll_cputimer_irq | ||
| 37 | andi t1, t0, (STATUSF_IP2 | STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP5 | STATUSF_IP6 ) | ||
| 38 | bnez t1, ll_vrc5477_irq | ||
| 39 | andi t1, t0, STATUSF_IP0 /* software int 0 */ | ||
| 40 | bnez t1, ll_cpu_ip0 | ||
| 41 | andi t1, t0, STATUSF_IP1 /* software int 1 */ | ||
| 42 | bnez t1, ll_cpu_ip1 | ||
| 43 | nop | ||
| 44 | .set reorder | ||
| 45 | |||
| 46 | /* wrong alarm or masked ... */ | ||
| 47 | jal spurious_interrupt | ||
| 48 | j ret_from_irq | ||
| 49 | END(ddb5477_handle_int) | ||
| 50 | |||
| 51 | .align 5 | ||
| 52 | |||
| 53 | ll_vrc5477_irq: | ||
| 54 | move a0, sp | ||
| 55 | jal vrc5477_irq_dispatch | ||
| 56 | j ret_from_irq | ||
| 57 | |||
| 58 | ll_cputimer_irq: | ||
| 59 | li a0, CPU_IRQ_BASE + 7 | ||
| 60 | move a1, sp | ||
| 61 | jal do_IRQ | ||
| 62 | j ret_from_irq | ||
| 63 | |||
| 64 | |||
| 65 | ll_cpu_ip0: | ||
| 66 | li a0, CPU_IRQ_BASE + 0 | ||
| 67 | move a1, sp | ||
| 68 | jal do_IRQ | ||
| 69 | j ret_from_irq | ||
| 70 | |||
| 71 | ll_cpu_ip1: | ||
| 72 | li a0, CPU_IRQ_BASE + 1 | ||
| 73 | move a1, sp | ||
| 74 | jal do_IRQ | ||
| 75 | j ret_from_irq | ||