diff options
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476/int-handler.S')
| -rw-r--r-- | arch/mips/ddb5xxx/ddb5476/int-handler.S | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/int-handler.S b/arch/mips/ddb5xxx/ddb5476/int-handler.S deleted file mode 100644 index 0c2bdae96bb1..000000000000 --- a/arch/mips/ddb5xxx/ddb5476/int-handler.S +++ /dev/null | |||
| @@ -1,113 +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 ddb5476 | ||
| 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 | |||
| 18 | #include <asm/ddb5xxx/ddb5476.h> | ||
| 19 | |||
| 20 | /* | ||
| 21 | * first level interrupt dispatcher for ocelot board - | ||
| 22 | * We check for the timer first, then check PCI ints A and D. | ||
| 23 | * Then check for serial IRQ and fall through. | ||
| 24 | */ | ||
| 25 | .align 5 | ||
| 26 | NESTED(ddb5476_handle_int, PT_SIZE, sp) | ||
| 27 | SAVE_ALL | ||
| 28 | CLI | ||
| 29 | .set at | ||
| 30 | .set noreorder | ||
| 31 | mfc0 t0, CP0_CAUSE | ||
| 32 | mfc0 t2, CP0_STATUS | ||
| 33 | |||
| 34 | and t0, t2 | ||
| 35 | |||
| 36 | andi t1, t0, STATUSF_IP7 /* cpu timer */ | ||
| 37 | bnez t1, ll_cpu_ip7 | ||
| 38 | andi t1, t0, STATUSF_IP2 /* vrc5476 & i8259 */ | ||
| 39 | bnez t1, ll_cpu_ip2 | ||
| 40 | andi t1, t0, STATUSF_IP3 | ||
| 41 | bnez t1, ll_cpu_ip3 | ||
| 42 | andi t1, t0, STATUSF_IP4 | ||
| 43 | bnez t1, ll_cpu_ip4 | ||
| 44 | andi t1, t0, STATUSF_IP5 | ||
| 45 | bnez t1, ll_cpu_ip5 | ||
| 46 | andi t1, t0, STATUSF_IP6 | ||
| 47 | bnez t1, ll_cpu_ip6 | ||
| 48 | andi t1, t0, STATUSF_IP0 /* software int 0 */ | ||
| 49 | bnez t1, ll_cpu_ip0 | ||
| 50 | andi t1, t0, STATUSF_IP1 /* software int 1 */ | ||
| 51 | bnez t1, ll_cpu_ip1 | ||
| 52 | nop | ||
| 53 | |||
| 54 | .set reorder | ||
| 55 | |||
| 56 | /* wrong alarm or masked ... */ | ||
| 57 | // jal spurious_interrupt | ||
| 58 | // j ret_from_irq | ||
| 59 | move a0, sp | ||
| 60 | jal vrc5476_irq_dispatch | ||
| 61 | j ret_from_irq | ||
| 62 | nop | ||
| 63 | |||
| 64 | .align 5 | ||
| 65 | |||
| 66 | ll_cpu_ip0: | ||
| 67 | li a0, CPU_IRQ_BASE + 0 | ||
| 68 | move a1, sp | ||
| 69 | jal do_IRQ | ||
| 70 | j ret_from_irq | ||
| 71 | |||
| 72 | ll_cpu_ip1: | ||
| 73 | li a0, CPU_IRQ_BASE + 1 | ||
| 74 | move a1, sp | ||
| 75 | jal do_IRQ | ||
| 76 | j ret_from_irq | ||
| 77 | |||
| 78 | ll_cpu_ip2: /* jump to second-level dispatching */ | ||
| 79 | move a0, sp | ||
| 80 | jal vrc5476_irq_dispatch | ||
| 81 | j ret_from_irq | ||
| 82 | |||
| 83 | ll_cpu_ip3: | ||
| 84 | li a0, CPU_IRQ_BASE + 3 | ||
| 85 | move a1, sp | ||
| 86 | jal do_IRQ | ||
| 87 | j ret_from_irq | ||
| 88 | |||
| 89 | ll_cpu_ip4: | ||
| 90 | li a0, CPU_IRQ_BASE + 4 | ||
| 91 | move a1, sp | ||
| 92 | jal do_IRQ | ||
| 93 | j ret_from_irq | ||
| 94 | |||
| 95 | ll_cpu_ip5: | ||
| 96 | li a0, CPU_IRQ_BASE + 5 | ||
| 97 | move a1, sp | ||
| 98 | jal do_IRQ | ||
| 99 | j ret_from_irq | ||
| 100 | |||
| 101 | ll_cpu_ip6: | ||
| 102 | li a0, CPU_IRQ_BASE + 6 | ||
| 103 | move a1, sp | ||
| 104 | jal do_IRQ | ||
| 105 | j ret_from_irq | ||
| 106 | |||
| 107 | ll_cpu_ip7: | ||
| 108 | li a0, CPU_IRQ_BASE + 7 | ||
| 109 | move a1, sp | ||
| 110 | jal do_IRQ | ||
| 111 | j ret_from_irq | ||
| 112 | |||
| 113 | END(ddb5476_handle_int) | ||