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authorBernd Schmidt <bernd.schmidt@analog.com>2007-07-25 14:44:49 +0800
committerBryan Wu <bryan.wu@analog.com>2007-07-25 14:44:49 +0800
commit8be80ed3f74a60e1af5a30e6b4fa4f744911676e (patch)
treebcab49313593fb65e5059ece4fcfc3b0c5435194 /arch/blackfin/mach-common/ints-priority-sc.c
parentd6e274ddb51fa0f9241d7348813351051275d71b (diff)
Blackfin arch: Initialize the exception vectors early in the boot process
Initialize the exception vectors early in the boot process, so that CPLB faults can be handled when memory protection is enabled. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/mach-common/ints-priority-sc.c')
-rw-r--r--arch/blackfin/mach-common/ints-priority-sc.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/arch/blackfin/mach-common/ints-priority-sc.c b/arch/blackfin/mach-common/ints-priority-sc.c
index 28a878c3577..3f6305d1a1a 100644
--- a/arch/blackfin/mach-common/ints-priority-sc.c
+++ b/arch/blackfin/mach-common/ints-priority-sc.c
@@ -713,6 +713,29 @@ static void bfin_demux_gpio_irq(unsigned int intb_irq,
}
#endif /* CONFIG_IRQCHIP_DEMUX_GPIO */
+void __init init_exception_vectors(void)
+{
+ SSYNC();
+
+#ifndef CONFIG_KGDB
+ bfin_write_EVT0(evt_emulation);
+#endif
+ bfin_write_EVT2(evt_evt2);
+ bfin_write_EVT3(trap);
+ bfin_write_EVT5(evt_ivhw);
+ bfin_write_EVT6(evt_timer);
+ bfin_write_EVT7(evt_evt7);
+ bfin_write_EVT8(evt_evt8);
+ bfin_write_EVT9(evt_evt9);
+ bfin_write_EVT10(evt_evt10);
+ bfin_write_EVT11(evt_evt11);
+ bfin_write_EVT12(evt_evt12);
+ bfin_write_EVT13(evt_evt13);
+ bfin_write_EVT14(evt14_softirq);
+ bfin_write_EVT15(evt_system_call);
+ CSYNC();
+}
+
/*
* This function should be called during kernel startup to initialize
* the BFin IRQ handling routines.
@@ -733,29 +756,10 @@ int __init init_arch_irq(void)
bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
bfin_write_SIC_IWR(IWR_ENABLE_ALL);
#endif
-
SSYNC();
local_irq_disable();
-#ifndef CONFIG_KGDB
- bfin_write_EVT0(evt_emulation);
-#endif
- bfin_write_EVT2(evt_evt2);
- bfin_write_EVT3(trap);
- bfin_write_EVT5(evt_ivhw);
- bfin_write_EVT6(evt_timer);
- bfin_write_EVT7(evt_evt7);
- bfin_write_EVT8(evt_evt8);
- bfin_write_EVT9(evt_evt9);
- bfin_write_EVT10(evt_evt10);
- bfin_write_EVT11(evt_evt11);
- bfin_write_EVT12(evt_evt12);
- bfin_write_EVT13(evt_evt13);
- bfin_write_EVT14(evt14_softirq);
- bfin_write_EVT15(evt_system_call);
- CSYNC();
-
#if defined(CONFIG_IRQCHIP_DEMUX_GPIO) && defined(CONFIG_BF54x)
#ifdef CONFIG_PINTx_REASSIGN
pint[0]->assign = CONFIG_PINT0_ASSIGN;