diff options
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/Kconfig | 2 | ||||
-rw-r--r-- | arch/mips/gt64120/wrppmc/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/gt64120/wrppmc/int-handler.S | 59 | ||||
-rw-r--r-- | arch/mips/gt64120/wrppmc/irq.c | 17 | ||||
-rw-r--r-- | arch/mips/gt64120/wrppmc/setup.c | 2 |
5 files changed, 16 insertions, 66 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 35e038a974c6..3fa67af8725d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig | |||
@@ -358,7 +358,7 @@ config MIPS_SEAD | |||
358 | board. | 358 | board. |
359 | 359 | ||
360 | config WR_PPMC | 360 | config WR_PPMC |
361 | bool "Support for Wind River PPMC board" | 361 | bool "Wind River PPMC board" |
362 | select IRQ_CPU | 362 | select IRQ_CPU |
363 | select BOOT_ELF32 | 363 | select BOOT_ELF32 |
364 | select DMA_NONCOHERENT | 364 | select DMA_NONCOHERENT |
diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile index 72606b9af12a..7cf52205511c 100644 --- a/arch/mips/gt64120/wrppmc/Makefile +++ b/arch/mips/gt64120/wrppmc/Makefile | |||
@@ -9,6 +9,6 @@ | |||
9 | # Makefile for the Wind River MIPS 4KC PPMC Eval Board | 9 | # Makefile for the Wind River MIPS 4KC PPMC Eval Board |
10 | # | 10 | # |
11 | 11 | ||
12 | obj-y += int-handler.o irq.o reset.o setup.o time.o pci.o | 12 | obj-y += irq.o reset.o setup.o time.o pci.o |
13 | 13 | ||
14 | EXTRA_AFLAGS := $(CFLAGS) | 14 | EXTRA_AFLAGS := $(CFLAGS) |
diff --git a/arch/mips/gt64120/wrppmc/int-handler.S b/arch/mips/gt64120/wrppmc/int-handler.S deleted file mode 100644 index edee7b394175..000000000000 --- a/arch/mips/gt64120/wrppmc/int-handler.S +++ /dev/null | |||
@@ -1,59 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle | ||
7 | * Copyright (C) Wind River System Inc. Rongkai.Zhan <rongkai.zhan@windriver.com> | ||
8 | */ | ||
9 | #include <asm/asm.h> | ||
10 | #include <asm/mipsregs.h> | ||
11 | #include <asm/addrspace.h> | ||
12 | #include <asm/regdef.h> | ||
13 | #include <asm/stackframe.h> | ||
14 | #include <asm/mach-wrppmc/mach-gt64120.h> | ||
15 | |||
16 | .align 5 | ||
17 | .set noat | ||
18 | NESTED(handle_IRQ, PT_SIZE, sp) | ||
19 | SAVE_ALL | ||
20 | CLI # Important: mark KERNEL mode ! | ||
21 | .set at | ||
22 | |||
23 | mfc0 t0, CP0_CAUSE # get pending interrupts | ||
24 | mfc0 t1, CP0_STATUS # get enabled interrupts | ||
25 | and t0, t0, t1 # get allowed interrupts | ||
26 | andi t0, t0, 0xFF00 | ||
27 | beqz t0, 1f | ||
28 | move a1, sp # Prepare 'struct pt_regs *regs' pointer | ||
29 | |||
30 | andi t1, t0, CAUSEF_IP7 # CPU Compare/Count internal timer | ||
31 | bnez t1, handle_cputimer_irq | ||
32 | andi t1, t0, CAUSEF_IP6 # UART 16550 port | ||
33 | bnez t1, handle_uart_irq | ||
34 | andi t1, t0, CAUSEF_IP3 # PCI INT_A | ||
35 | bnez t1, handle_pci_intA_irq | ||
36 | |||
37 | /* wrong alarm or masked ... */ | ||
38 | 1: j spurious_interrupt | ||
39 | nop | ||
40 | END(handle_IRQ) | ||
41 | |||
42 | .align 5 | ||
43 | handle_cputimer_irq: | ||
44 | li a0, WRPPMC_MIPS_TIMER_IRQ | ||
45 | jal do_IRQ | ||
46 | j ret_from_irq | ||
47 | |||
48 | .align 5 | ||
49 | handle_uart_irq: | ||
50 | li a0, WRPPMC_UART16550_IRQ | ||
51 | jal do_IRQ | ||
52 | j ret_from_irq | ||
53 | |||
54 | .align 5 | ||
55 | handle_pci_intA_irq: | ||
56 | li a0, WRPPMC_PCI_INTA_IRQ | ||
57 | jal do_IRQ | ||
58 | j ret_from_irq | ||
59 | |||
diff --git a/arch/mips/gt64120/wrppmc/irq.c b/arch/mips/gt64120/wrppmc/irq.c index 8605687e24ed..26cf360f1694 100644 --- a/arch/mips/gt64120/wrppmc/irq.c +++ b/arch/mips/gt64120/wrppmc/irq.c | |||
@@ -30,7 +30,19 @@ | |||
30 | #include <asm/irq_cpu.h> | 30 | #include <asm/irq_cpu.h> |
31 | #include <asm/gt64120.h> | 31 | #include <asm/gt64120.h> |
32 | 32 | ||
33 | extern asmlinkage void handle_IRQ(void); | 33 | asmlinkage void plat_irq_dispatch(struct pt_regs *regs) |
34 | { | ||
35 | unsigned int pending = read_c0_status() & read_c0_cause(); | ||
36 | |||
37 | if (pending & STATUSF_IP7) | ||
38 | do_IRQ(WRPPMC_MIPS_TIMER_IRQ, regs); /* CPU Compare/Count internal timer */ | ||
39 | else if (pending & STATUSF_IP6) | ||
40 | do_IRQ(WRPPMC_UART16550_IRQ, regs); /* UART 16550 port */ | ||
41 | else if (pending & STATUSF_IP3) | ||
42 | do_IRQ(WRPPMC_PCI_INTA_IRQ, regs); /* PCI INT_A */ | ||
43 | else | ||
44 | spurious_interrupt(regs); | ||
45 | } | ||
34 | 46 | ||
35 | /** | 47 | /** |
36 | * Initialize GT64120 Interrupt Controller | 48 | * Initialize GT64120 Interrupt Controller |
@@ -53,9 +65,6 @@ void __init arch_init_irq(void) | |||
53 | /* enable all CPU interrupt bits. */ | 65 | /* enable all CPU interrupt bits. */ |
54 | set_c0_status(ST0_IM); /* IE bit is still 0 */ | 66 | set_c0_status(ST0_IM); /* IE bit is still 0 */ |
55 | 67 | ||
56 | /* Install MIPS Interrupt Trap Vector */ | ||
57 | set_except_vector(0, handle_IRQ); | ||
58 | |||
59 | /* IRQ 0 - 7 are for MIPS common irq_cpu controller */ | 68 | /* IRQ 0 - 7 are for MIPS common irq_cpu controller */ |
60 | mips_cpu_irq_init(0); | 69 | mips_cpu_irq_init(0); |
61 | 70 | ||
diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c index 20c591e49dae..2db6375ef29e 100644 --- a/arch/mips/gt64120/wrppmc/setup.c +++ b/arch/mips/gt64120/wrppmc/setup.c | |||
@@ -125,7 +125,7 @@ static void wrppmc_setup_serial(void) | |||
125 | } | 125 | } |
126 | #endif | 126 | #endif |
127 | 127 | ||
128 | void __init plat_setup(void) | 128 | void __init plat_mem_setup(void) |
129 | { | 129 | { |
130 | extern void wrppmc_time_init(void); | 130 | extern void wrppmc_time_init(void); |
131 | extern void wrppmc_timer_setup(struct irqaction *); | 131 | extern void wrppmc_timer_setup(struct irqaction *); |