diff options
Diffstat (limited to 'arch/mips/momentum/ocelot_c/int-handler.S')
-rw-r--r-- | arch/mips/momentum/ocelot_c/int-handler.S | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/mips/momentum/ocelot_c/int-handler.S b/arch/mips/momentum/ocelot_c/int-handler.S deleted file mode 100644 index 52349d9bf1be..000000000000 --- a/arch/mips/momentum/ocelot_c/int-handler.S +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2002 Momentum Computer Inc. | ||
3 | * Author: Matthew Dharm <mdharm@momenco.com> | ||
4 | * | ||
5 | * Copyright 2001 MontaVista Software Inc. | ||
6 | * Author: jsun@mvista.com or jsun@junsun.net | ||
7 | * | ||
8 | * First-level interrupt dispatcher for Ocelot-CS board. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify it | ||
11 | * under the terms of the GNU General Public License as published by the | ||
12 | * Free Software Foundation; either version 2 of the License, or (at your | ||
13 | * option) any later version. | ||
14 | */ | ||
15 | #include <asm/asm.h> | ||
16 | #include <asm/mipsregs.h> | ||
17 | #include <asm/addrspace.h> | ||
18 | #include <asm/regdef.h> | ||
19 | #include <asm/stackframe.h> | ||
20 | #include "ocelot_c_fpga.h" | ||
21 | |||
22 | /* | ||
23 | * First level interrupt dispatcher for Ocelot-CS board | ||
24 | */ | ||
25 | .align 5 | ||
26 | NESTED(ocelot_handle_int, PT_SIZE, sp) | ||
27 | SAVE_ALL | ||
28 | CLI | ||
29 | .set at | ||
30 | mfc0 t0, CP0_CAUSE | ||
31 | mfc0 t2, CP0_STATUS | ||
32 | |||
33 | and t0, t2 | ||
34 | |||
35 | andi t1, t0, STATUSF_IP0 /* sw0 software interrupt */ | ||
36 | bnez t1, ll_sw0_irq | ||
37 | andi t1, t0, STATUSF_IP1 /* sw1 software interrupt */ | ||
38 | bnez t1, ll_sw1_irq | ||
39 | andi t1, t0, STATUSF_IP2 /* int0 hardware line */ | ||
40 | bnez t1, ll_scsi_irq | ||
41 | andi t1, t0, STATUSF_IP3 /* int1 hardware line */ | ||
42 | bnez t1, ll_uart_decode_irq | ||
43 | andi t1, t0, STATUSF_IP4 /* int2 hardware line */ | ||
44 | bnez t1, ll_pmc_irq | ||
45 | andi t1, t0, STATUSF_IP5 /* int3 hardware line */ | ||
46 | bnez t1, ll_cpci_decode_irq | ||
47 | andi t1, t0, STATUSF_IP6 /* int4 hardware line */ | ||
48 | bnez t1, ll_mv64340_decode_irq | ||
49 | andi t1, t0, STATUSF_IP7 /* cpu timer */ | ||
50 | bnez t1, ll_cputimer_irq | ||
51 | |||
52 | .set reorder | ||
53 | |||
54 | /* wrong alarm or masked ... */ | ||
55 | j spurious_interrupt | ||
56 | nop | ||
57 | END(ocelot_handle_int) | ||
58 | |||
59 | .align 5 | ||
60 | ll_sw0_irq: | ||
61 | li a0, 0 | ||
62 | move a1, sp | ||
63 | jal do_IRQ | ||
64 | j ret_from_irq | ||
65 | ll_sw1_irq: | ||
66 | li a0, 1 | ||
67 | move a1, sp | ||
68 | jal do_IRQ | ||
69 | j ret_from_irq | ||
70 | ll_scsi_irq: | ||
71 | li a0, 2 | ||
72 | move a1, sp | ||
73 | jal do_IRQ | ||
74 | j ret_from_irq | ||
75 | |||
76 | ll_uart_decode_irq: | ||
77 | move a0, sp | ||
78 | jal ll_uart_irq | ||
79 | j ret_from_irq | ||
80 | |||
81 | ll_pmc_irq: | ||
82 | li a0, 4 | ||
83 | move a1, sp | ||
84 | jal do_IRQ | ||
85 | j ret_from_irq | ||
86 | |||
87 | ll_cpci_decode_irq: | ||
88 | move a0, sp | ||
89 | jal ll_cpci_irq | ||
90 | j ret_from_irq | ||
91 | |||
92 | ll_mv64340_decode_irq: | ||
93 | move a0, sp | ||
94 | jal ll_mv64340_irq | ||
95 | j ret_from_irq | ||
96 | |||
97 | ll_cputimer_irq: | ||
98 | li a0, 7 | ||
99 | move a1, sp | ||
100 | jal do_IRQ | ||
101 | j ret_from_irq | ||
102 | |||