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-rw-r--r--arch/mips/ite-boards/generic/Makefile2
-rw-r--r--arch/mips/ite-boards/generic/int-handler.S63
-rw-r--r--arch/mips/ite-boards/generic/irq.c18
-rw-r--r--arch/mips/ite-boards/generic/time.c1
-rw-r--r--arch/mips/ite-boards/ivr/init.c2
-rw-r--r--arch/mips/ite-boards/qed-4n-s01b/init.c2
6 files changed, 16 insertions, 72 deletions
diff --git a/arch/mips/ite-boards/generic/Makefile b/arch/mips/ite-boards/generic/Makefile
index 0e7853f43983..63431538d0ec 100644
--- a/arch/mips/ite-boards/generic/Makefile
+++ b/arch/mips/ite-boards/generic/Makefile
@@ -6,7 +6,7 @@
6# Makefile for the ITE 8172 (qed-4n-s01b) board, generic files. 6# Makefile for the ITE 8172 (qed-4n-s01b) board, generic files.
7# 7#
8 8
9obj-y += it8172_setup.o irq.o int-handler.o pmon_prom.o \ 9obj-y += it8172_setup.o irq.o pmon_prom.o \
10 time.o lpc.o puts.o reset.o 10 time.o lpc.o puts.o reset.o
11 11
12obj-$(CONFIG_IT8172_CIR)+= it8172_cir.o 12obj-$(CONFIG_IT8172_CIR)+= it8172_cir.o
diff --git a/arch/mips/ite-boards/generic/int-handler.S b/arch/mips/ite-boards/generic/int-handler.S
deleted file mode 100644
index d190d8add9cb..000000000000
--- a/arch/mips/ite-boards/generic/int-handler.S
+++ /dev/null
@@ -1,63 +0,0 @@
1#include <asm/asm.h>
2#include <asm/mipsregs.h>
3#include <asm/regdef.h>
4#include <asm/stackframe.h>
5
6 .text
7 .set macro
8 .set noat
9 .align 5
10
11NESTED(it8172_IRQ, PT_SIZE, sp)
12 SAVE_ALL
13 CLI # Important: mark KERNEL mode !
14
15 /* We're working with 'reorder' set at this point. */
16 /*
17 * Get pending interrupts
18 */
19
20 mfc0 t0,CP0_CAUSE # get pending interrupts
21 mfc0 t1,CP0_STATUS # get enabled interrupts
22 and t0,t1 # isolate allowed ones
23
24 andi t0,0xff00 # isolate pending bits
25 beqz t0, 3f # spurious interrupt
26
27 andi a0, t0, CAUSEF_IP7
28 beq a0, zero, 1f
29
30 li a0, 127 # MIPS_CPU_TIMER_IRQ = (NR_IRQS-1)
31 move a1, sp
32 jal ll_timer_interrupt
33 j ret_from_irq
34 nop
35
361:
37 andi a0, t0, CAUSEF_IP2 # the only int we expect at this time
38 beq a0, zero, 3f
39 move a0,sp
40 jal it8172_hw0_irqdispatch
41
42 mfc0 t0,CP0_STATUS # disable interrupts
43 ori t0,1
44 xori t0,1
45 mtc0 t0,CP0_STATUS
46 nop
47 nop
48 nop
49
50 la a1, ret_from_irq
51 jr a1
52 nop
53
543:
55 move a0, sp
56 jal mips_spurious_interrupt
57 nop
58 la a1, ret_from_irq
59 jr a1
60 nop
61
62END(it8172_IRQ)
63
diff --git a/arch/mips/ite-boards/generic/irq.c b/arch/mips/ite-boards/generic/irq.c
index e67f96129491..77be7216bdd0 100644
--- a/arch/mips/ite-boards/generic/irq.c
+++ b/arch/mips/ite-boards/generic/irq.c
@@ -62,12 +62,8 @@
62 62
63#define ALLINTS_NOTIMER (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4) 63#define ALLINTS_NOTIMER (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4)
64 64
65void disable_it8172_irq(unsigned int irq_nr);
66void enable_it8172_irq(unsigned int irq_nr);
67
68extern void set_debug_traps(void); 65extern void set_debug_traps(void);
69extern void mips_timer_interrupt(int irq, struct pt_regs *regs); 66extern void mips_timer_interrupt(int irq, struct pt_regs *regs);
70extern asmlinkage void it8172_IRQ(void);
71 67
72struct it8172_intc_regs volatile *it8172_hw0_icregs = 68struct it8172_intc_regs volatile *it8172_hw0_icregs =
73 (struct it8172_intc_regs volatile *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_INTC_BASE)); 69 (struct it8172_intc_regs volatile *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_INTC_BASE));
@@ -181,8 +177,6 @@ void __init arch_init_irq(void)
181 int i; 177 int i;
182 unsigned long flags; 178 unsigned long flags;
183 179
184 set_except_vector(0, it8172_IRQ);
185
186 /* mask all interrupts */ 180 /* mask all interrupts */
187 it8172_hw0_icregs->lb_mask = 0xffff; 181 it8172_hw0_icregs->lb_mask = 0xffff;
188 it8172_hw0_icregs->lpc_mask = 0xffff; 182 it8172_hw0_icregs->lpc_mask = 0xffff;
@@ -282,6 +276,18 @@ void it8172_hw0_irqdispatch(struct pt_regs *regs)
282 do_IRQ(irq, regs); 276 do_IRQ(irq, regs);
283} 277}
284 278
279asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
280{
281 unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
282
283 if (!pending)
284 mips_spurious_interrupt(regs);
285 else if (pending & CAUSEF_IP7)
286 ll_timer_interrupt(127, regs);
287 else if (pending & CAUSEF_IP2)
288 it8172_hw0_irqdispatch(regs);
289}
290
285void show_pending_irqs(void) 291void show_pending_irqs(void)
286{ 292{
287 fputs("intstatus: "); 293 fputs("intstatus: ");
diff --git a/arch/mips/ite-boards/generic/time.c b/arch/mips/ite-boards/generic/time.c
index b79817bb6cce..dee497a91807 100644
--- a/arch/mips/ite-boards/generic/time.c
+++ b/arch/mips/ite-boards/generic/time.c
@@ -29,6 +29,7 @@
29#include <linux/sched.h> 29#include <linux/sched.h>
30#include <linux/time.h> 30#include <linux/time.h>
31#include <linux/spinlock.h> 31#include <linux/spinlock.h>
32#include <linux/mc146818rtc.h>
32 33
33#include <asm/time.h> 34#include <asm/time.h>
34#include <asm/mipsregs.h> 35#include <asm/mipsregs.h>
diff --git a/arch/mips/ite-boards/ivr/init.c b/arch/mips/ite-boards/ivr/init.c
index b774db035b31..05cf9218c432 100644
--- a/arch/mips/ite-boards/ivr/init.c
+++ b/arch/mips/ite-boards/ivr/init.c
@@ -34,13 +34,13 @@
34#include <asm/bootinfo.h> 34#include <asm/bootinfo.h>
35#include <linux/string.h> 35#include <linux/string.h>
36#include <linux/kernel.h> 36#include <linux/kernel.h>
37#include <asm/sections.h>
37#include <asm/it8172/it8172.h> 38#include <asm/it8172/it8172.h>
38#include <asm/it8172/it8172_dbg.h> 39#include <asm/it8172/it8172_dbg.h>
39 40
40int prom_argc; 41int prom_argc;
41char **prom_argv, **prom_envp; 42char **prom_argv, **prom_envp;
42 43
43extern char _end;
44extern void __init prom_init_cmdline(void); 44extern void __init prom_init_cmdline(void);
45extern unsigned long __init prom_get_memsize(void); 45extern unsigned long __init prom_get_memsize(void);
46extern void __init it8172_init_ram_resource(unsigned long memsize); 46extern void __init it8172_init_ram_resource(unsigned long memsize);
diff --git a/arch/mips/ite-boards/qed-4n-s01b/init.c b/arch/mips/ite-boards/qed-4n-s01b/init.c
index e8ec8be66a80..ea2a754cafe5 100644
--- a/arch/mips/ite-boards/qed-4n-s01b/init.c
+++ b/arch/mips/ite-boards/qed-4n-s01b/init.c
@@ -34,13 +34,13 @@
34#include <asm/bootinfo.h> 34#include <asm/bootinfo.h>
35#include <linux/string.h> 35#include <linux/string.h>
36#include <linux/kernel.h> 36#include <linux/kernel.h>
37#include <asm/sections.h>
37#include <asm/it8172/it8172.h> 38#include <asm/it8172/it8172.h>
38#include <asm/it8172/it8172_dbg.h> 39#include <asm/it8172/it8172_dbg.h>
39 40
40int prom_argc; 41int prom_argc;
41char **prom_argv, **prom_envp; 42char **prom_argv, **prom_envp;
42 43
43extern char _end;
44extern void __init prom_init_cmdline(void); 44extern void __init prom_init_cmdline(void);
45extern unsigned long __init prom_get_memsize(void); 45extern unsigned long __init prom_get_memsize(void);
46extern void __init it8172_init_ram_resource(unsigned long memsize); 46extern void __init it8172_init_ram_resource(unsigned long memsize);