diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-03-21 18:59:38 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:30:59 +0100 |
| commit | 4f12bfe5a498747a9a66f135a67aa8e1caa819dc (patch) | |
| tree | f358bd77f56b4014c1e5a9b5804995fd521c7853 /arch/mips/sgi-ip27/ip27-init.c | |
| parent | 6cbe0631591ca45177d52364dec81cdfba19fec0 (diff) | |
HUB interrupts are allocated per node, not per slice. Make manipulation
of the interrupt mask register atomic by disabling interrupts.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sgi-ip27/ip27-init.c')
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-init.c | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index ad1e86b54fae..8651a0e75404 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -56,12 +56,12 @@ static void __init per_hub_init(cnodeid_t cnode) { struct hub_data *hub = hub_data(cnode); nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); + int i; cpu_set(smp_processor_id(), hub->h_cpus); if (test_and_set_bit(cnode, hub_init_mask)) return; - /* * Set CRB timeout at 5ms, (< PI timeout of 10ms) */ @@ -88,6 +88,24 @@ static void __init per_hub_init(cnodeid_t cnode) __flush_cache_all(); } #endif + + /* + * Some interrupts are reserved by hardware or by software convention. + * Mark these as reserved right away so they won't be used accidently + * later. + */ + for (i = 0; i <= BASE_PCI_IRQ; i++) { + __set_bit(i, hub->irq_alloc_mask); + LOCAL_HUB_CLR_INTR(INT_PEND0_BASELVL + i); + } + + __set_bit(IP_PEND0_6_63, hub->irq_alloc_mask); + LOCAL_HUB_S(PI_INT_PEND_MOD, IP_PEND0_6_63); + + for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++) { + __set_bit(i, hub->irq_alloc_mask); + LOCAL_HUB_CLR_INTR(INT_PEND1_BASELVL + i); + } } void __init per_cpu_init(void) @@ -104,30 +122,12 @@ void __init per_cpu_init(void) clear_c0_status(ST0_IM); + per_hub_init(cnode); + for (i = 0; i < LEVELS_PER_SLICE; i++) si->level_to_irq[i] = -1; /* - * Some interrupts are reserved by hardware or by software convention. - * Mark these as reserved right away so they won't be used accidently - * later. - */ - for (i = 0; i <= BASE_PCI_IRQ; i++) { - __set_bit(i, si->irq_alloc_mask); - LOCAL_HUB_S(PI_INT_PEND_MOD, i); - } - - __set_bit(IP_PEND0_6_63, si->irq_alloc_mask); - LOCAL_HUB_S(PI_INT_PEND_MOD, IP_PEND0_6_63); - - for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++) { - __set_bit(i, si->irq_alloc_mask + 1); - LOCAL_HUB_S(PI_INT_PEND_MOD, i); - } - - LOCAL_HUB_L(PI_INT_PEND0); - - /* * We use this so we can find the local hub's data as fast as only * possible. */ @@ -140,8 +140,6 @@ void __init per_cpu_init(void) install_cpu_nmi_handler(cputoslice(cpu)); set_c0_status(SRB_DEV0 | SRB_DEV1); - - per_hub_init(cnode); } /* |