diff options
| author | Mark.Zhan <rongkai.zhan@windriver.com> | 2006-06-20 18:15:02 +0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-29 21:10:34 +0100 |
| commit | 9247857f5acadf0ea87fd6a9514c633644634f08 (patch) | |
| tree | 77ce13d9b8ef0076622a0225ac6b8b1607a80260 /arch/mips/gt64120/wrppmc/irq.c | |
| parent | 0a6047eef1c465c38aacfbdab193161b3f0cd144 (diff) | |
[MIPS] Fix the build error of Wind River PPMC board, rewrite irq code to C
o Fix the build error Wind River PPMC board caused by the change of
plat_setup hook interface.
o Rewrite first level interrupt dispatch code to C.
Signed-off-by: Rongkai.Zhan <rongkai.zhan@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/gt64120/wrppmc/irq.c')
| -rw-r--r-- | arch/mips/gt64120/wrppmc/irq.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/mips/gt64120/wrppmc/irq.c b/arch/mips/gt64120/wrppmc/irq.c index 8605687e24e..26cf360f169 100644 --- a/arch/mips/gt64120/wrppmc/irq.c +++ b/arch/mips/gt64120/wrppmc/irq.c @@ -30,7 +30,19 @@ #include <asm/irq_cpu.h> #include <asm/gt64120.h> -extern asmlinkage void handle_IRQ(void); +asmlinkage void plat_irq_dispatch(struct pt_regs *regs) +{ + unsigned int pending = read_c0_status() & read_c0_cause(); + + if (pending & STATUSF_IP7) + do_IRQ(WRPPMC_MIPS_TIMER_IRQ, regs); /* CPU Compare/Count internal timer */ + else if (pending & STATUSF_IP6) + do_IRQ(WRPPMC_UART16550_IRQ, regs); /* UART 16550 port */ + else if (pending & STATUSF_IP3) + do_IRQ(WRPPMC_PCI_INTA_IRQ, regs); /* PCI INT_A */ + else + spurious_interrupt(regs); +} /** * Initialize GT64120 Interrupt Controller @@ -53,9 +65,6 @@ void __init arch_init_irq(void) /* enable all CPU interrupt bits. */ set_c0_status(ST0_IM); /* IE bit is still 0 */ - /* Install MIPS Interrupt Trap Vector */ - set_except_vector(0, handle_IRQ); - /* IRQ 0 - 7 are for MIPS common irq_cpu controller */ mips_cpu_irq_init(0); |