diff options
Diffstat (limited to 'arch/mips/momentum/jaguar_atx/int-handler.S')
-rw-r--r-- | arch/mips/momentum/jaguar_atx/int-handler.S | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/mips/momentum/jaguar_atx/int-handler.S b/arch/mips/momentum/jaguar_atx/int-handler.S deleted file mode 100644 index 55bc789733f2..000000000000 --- a/arch/mips/momentum/jaguar_atx/int-handler.S +++ /dev/null | |||
@@ -1,128 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2002 Momentum Computer Inc. | ||
3 | * Author: Matthew Dharm <mdharm@momenco.com> | ||
4 | * | ||
5 | * Based on work: | ||
6 | * Copyright 2001 MontaVista Software Inc. | ||
7 | * Author: jsun@mvista.com or jsun@junsun.net | ||
8 | * | ||
9 | * First-level interrupt dispatcher for Jaguar-ATX board. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify it | ||
12 | * under the terms of the GNU General Public License as published by the | ||
13 | * Free Software Foundation; either version 2 of the License, or (at your | ||
14 | * option) any later version. | ||
15 | */ | ||
16 | #include <asm/asm.h> | ||
17 | #include <asm/mipsregs.h> | ||
18 | #include <asm/addrspace.h> | ||
19 | #include <asm/regdef.h> | ||
20 | #include <asm/stackframe.h> | ||
21 | |||
22 | /* | ||
23 | * First level interrupt dispatcher for Ocelot-CS board | ||
24 | */ | ||
25 | .align 5 | ||
26 | NESTED(jaguar_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_pcixa_irq | ||
41 | andi t1, t0, STATUSF_IP3 /* int1 hardware line */ | ||
42 | bnez t1, ll_pcixb_irq | ||
43 | andi t1, t0, STATUSF_IP4 /* int2 hardware line */ | ||
44 | bnez t1, ll_pcia_irq | ||
45 | andi t1, t0, STATUSF_IP5 /* int3 hardware line */ | ||
46 | bnez t1, ll_pcib_irq | ||
47 | andi t1, t0, STATUSF_IP6 /* int4 hardware line */ | ||
48 | bnez t1, ll_uart_irq | ||
49 | andi t1, t0, STATUSF_IP7 /* cpu timer */ | ||
50 | bnez t1, ll_cputimer_irq | ||
51 | |||
52 | nop | ||
53 | nop | ||
54 | |||
55 | /* now look at extended interrupts */ | ||
56 | mfc0 t0, CP0_CAUSE | ||
57 | cfc0 t1, CP0_S1_INTCONTROL | ||
58 | |||
59 | /* shift the mask 8 bits left to line up the bits */ | ||
60 | sll t2, t1, 8 | ||
61 | |||
62 | and t0, t2 | ||
63 | srl t0, t0, 16 | ||
64 | |||
65 | andi t1, t0, STATUSF_IP8 /* int6 hardware line */ | ||
66 | bnez t1, ll_mv64340_decode_irq | ||
67 | |||
68 | nop | ||
69 | nop | ||
70 | |||
71 | .set reorder | ||
72 | |||
73 | /* wrong alarm or masked ... */ | ||
74 | j spurious_interrupt | ||
75 | nop | ||
76 | END(jaguar_handle_int) | ||
77 | |||
78 | .align 5 | ||
79 | ll_sw0_irq: | ||
80 | li a0, 0 | ||
81 | move a1, sp | ||
82 | jal do_IRQ | ||
83 | j ret_from_irq | ||
84 | ll_sw1_irq: | ||
85 | li a0, 1 | ||
86 | move a1, sp | ||
87 | jal do_IRQ | ||
88 | j ret_from_irq | ||
89 | ll_pcixa_irq: | ||
90 | li a0, 2 | ||
91 | move a1, sp | ||
92 | jal do_IRQ | ||
93 | j ret_from_irq | ||
94 | |||
95 | ll_pcixb_irq: | ||
96 | li a0, 3 | ||
97 | move a1, sp | ||
98 | jal do_IRQ | ||
99 | j ret_from_irq | ||
100 | |||
101 | ll_pcia_irq: | ||
102 | li a0, 4 | ||
103 | move a1, sp | ||
104 | jal do_IRQ | ||
105 | j ret_from_irq | ||
106 | |||
107 | ll_pcib_irq: | ||
108 | li a0, 5 | ||
109 | move a1, sp | ||
110 | jal do_IRQ | ||
111 | j ret_from_irq | ||
112 | |||
113 | ll_uart_irq: | ||
114 | li a0, 6 | ||
115 | move a1, sp | ||
116 | jal do_IRQ | ||
117 | j ret_from_irq | ||
118 | |||
119 | ll_cputimer_irq: | ||
120 | li a0, 7 | ||
121 | move a1, sp | ||
122 | jal ll_timer_interrupt | ||
123 | j ret_from_irq | ||
124 | |||
125 | ll_mv64340_decode_irq: | ||
126 | move a0, sp | ||
127 | jal ll_mv64340_irq | ||
128 | j ret_from_irq | ||