diff options
Diffstat (limited to 'arch/mips/philips/pnx8550/common')
-rw-r--r-- | arch/mips/philips/pnx8550/common/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/philips/pnx8550/common/int.c | 23 | ||||
-rw-r--r-- | arch/mips/philips/pnx8550/common/mipsIRQ.S | 77 |
3 files changed, 17 insertions, 85 deletions
diff --git a/arch/mips/philips/pnx8550/common/Makefile b/arch/mips/philips/pnx8550/common/Makefile index 6e38f3bc443c..b7c638166e9f 100644 --- a/arch/mips/philips/pnx8550/common/Makefile +++ b/arch/mips/philips/pnx8550/common/Makefile | |||
@@ -22,6 +22,6 @@ | |||
22 | # under Linux. | 22 | # under Linux. |
23 | # | 23 | # |
24 | 24 | ||
25 | obj-y := setup.o prom.o mipsIRQ.o int.o reset.o time.o proc.o platform.o | 25 | obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o |
26 | obj-$(CONFIG_PCI) += pci.o | 26 | obj-$(CONFIG_PCI) += pci.o |
27 | obj-$(CONFIG_KGDB) += gdb_hook.o | 27 | obj-$(CONFIG_KGDB) += gdb_hook.o |
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c index c500e2d41f2c..39ee6314f627 100644 --- a/arch/mips/philips/pnx8550/common/int.c +++ b/arch/mips/philips/pnx8550/common/int.c | |||
@@ -38,8 +38,6 @@ | |||
38 | #include <int.h> | 38 | #include <int.h> |
39 | #include <uart.h> | 39 | #include <uart.h> |
40 | 40 | ||
41 | extern asmlinkage void cp0_irqdispatch(void); | ||
42 | |||
43 | static DEFINE_SPINLOCK(irq_lock); | 41 | static DEFINE_SPINLOCK(irq_lock); |
44 | 42 | ||
45 | /* default prio for interrupts */ | 43 | /* default prio for interrupts */ |
@@ -55,7 +53,7 @@ static char gic_prio[PNX8550_INT_GIC_TOTINT] = { | |||
55 | 1 // 70 | 53 | 1 // 70 |
56 | }; | 54 | }; |
57 | 55 | ||
58 | void hw0_irqdispatch(int irq, struct pt_regs *regs) | 56 | static void hw0_irqdispatch(int irq, struct pt_regs *regs) |
59 | { | 57 | { |
60 | /* find out which interrupt */ | 58 | /* find out which interrupt */ |
61 | irq = PNX8550_GIC_VECTOR_0 >> 3; | 59 | irq = PNX8550_GIC_VECTOR_0 >> 3; |
@@ -68,7 +66,7 @@ void hw0_irqdispatch(int irq, struct pt_regs *regs) | |||
68 | } | 66 | } |
69 | 67 | ||
70 | 68 | ||
71 | void timer_irqdispatch(int irq, struct pt_regs *regs) | 69 | static void timer_irqdispatch(int irq, struct pt_regs *regs) |
72 | { | 70 | { |
73 | irq = (0x01c0 & read_c0_config7()) >> 6; | 71 | irq = (0x01c0 & read_c0_config7()) >> 6; |
74 | 72 | ||
@@ -88,6 +86,20 @@ void timer_irqdispatch(int irq, struct pt_regs *regs) | |||
88 | } | 86 | } |
89 | } | 87 | } |
90 | 88 | ||
89 | asmlinkage void plat_irq_dispatch(struct pt_regs *regs) | ||
90 | { | ||
91 | unsigned int pending = read_c0_status() & read_c0_cause(); | ||
92 | |||
93 | if (pending & STATUSF_IP2) | ||
94 | do_IRQ(2, regs); | ||
95 | else if (pending & STATUSF_IP7) { | ||
96 | if (read_c0_config7() & 0x01c0) | ||
97 | timer_irqdispatch(7, regs); | ||
98 | } | ||
99 | |||
100 | spurious_interrupt(regs); | ||
101 | } | ||
102 | |||
91 | static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) | 103 | static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) |
92 | { | 104 | { |
93 | unsigned long status = read_c0_status(); | 105 | unsigned long status = read_c0_status(); |
@@ -223,9 +235,6 @@ void __init arch_init_irq(void) | |||
223 | int i; | 235 | int i; |
224 | int configPR; | 236 | int configPR; |
225 | 237 | ||
226 | /* init of cp0 interrupts */ | ||
227 | set_except_vector(0, cp0_irqdispatch); | ||
228 | |||
229 | for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { | 238 | for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { |
230 | irq_desc[i].handler = &level_irq_type; | 239 | irq_desc[i].handler = &level_irq_type; |
231 | pnx8550_ack(i); /* mask the irq just in case */ | 240 | pnx8550_ack(i); /* mask the irq just in case */ |
diff --git a/arch/mips/philips/pnx8550/common/mipsIRQ.S b/arch/mips/philips/pnx8550/common/mipsIRQ.S deleted file mode 100644 index e049a719f83d..000000000000 --- a/arch/mips/philips/pnx8550/common/mipsIRQ.S +++ /dev/null | |||
@@ -1,77 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2002 Philips, Inc. All rights. | ||
3 | * Copyright (c) 2002 Red Hat, Inc. All rights. | ||
4 | * | ||
5 | * This software may be freely redistributed under the terms of the | ||
6 | * GNU General Public License. | ||
7 | * | ||
8 | * You should have received a copy of the GNU General Public License | ||
9 | * along with this program; if not, write to the Free Software | ||
10 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
11 | * | ||
12 | * Based upon arch/mips/galileo-boards/ev64240/int-handler.S | ||
13 | * | ||
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 | |||
21 | /* | ||
22 | * cp0_irqdispatch | ||
23 | * | ||
24 | * Code to handle in-core interrupt exception. | ||
25 | */ | ||
26 | |||
27 | .align 5 | ||
28 | .set reorder | ||
29 | .set noat | ||
30 | NESTED(cp0_irqdispatch, PT_SIZE, sp) | ||
31 | SAVE_ALL | ||
32 | CLI | ||
33 | .set at | ||
34 | mfc0 t0,CP0_CAUSE | ||
35 | mfc0 t2,CP0_STATUS | ||
36 | |||
37 | and t0,t2 | ||
38 | |||
39 | andi t1,t0,STATUSF_IP2 /* int0 hardware line */ | ||
40 | bnez t1,ll_hw0_irq | ||
41 | nop | ||
42 | |||
43 | andi t1,t0,STATUSF_IP7 /* int5 hardware line */ | ||
44 | bnez t1,ll_timer_irq | ||
45 | nop | ||
46 | |||
47 | /* wrong alarm or masked ... */ | ||
48 | |||
49 | jal spurious_interrupt | ||
50 | nop | ||
51 | j ret_from_irq | ||
52 | END(cp0_irqdispatch) | ||
53 | |||
54 | .align 5 | ||
55 | .set reorder | ||
56 | ll_hw0_irq: | ||
57 | li a0,2 | ||
58 | move a1,sp | ||
59 | jal hw0_irqdispatch | ||
60 | nop | ||
61 | j ret_from_irq | ||
62 | nop | ||
63 | |||
64 | .align 5 | ||
65 | .set reorder | ||
66 | ll_timer_irq: | ||
67 | mfc0 t3,CP0_CONFIG,7 | ||
68 | andi t4,t3,0x01c0 | ||
69 | beqz t4,ll_timer_out | ||
70 | nop | ||
71 | li a0,7 | ||
72 | move a1,sp | ||
73 | jal timer_irqdispatch | ||
74 | nop | ||
75 | |||
76 | ll_timer_out: j ret_from_irq | ||
77 | nop | ||