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| author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2019-02-19 16:57:20 +0100 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-02-19 21:46:03 +0100 |
| commit | 69a07a41d908f9df48393bbab179daded8cfab66 (patch) | |
| tree | 6764897f28cee05ecd539010ce61c4138b3bfdc5 /arch/mips/sgi-ip27/ip27-init.c | |
| parent | MIPS: SGI-IP27: do boot CPU init later (diff) | |
| download | linux-69a07a41d908f9df48393bbab179daded8cfab66.tar.xz linux-69a07a41d908f9df48393bbab179daded8cfab66.zip | |
MIPS: SGI-IP27: rework HUB interrupts
This commit rearranges the HUB interrupt code by using MIPS_IRQ_CPU
interrupt handling code and modern Linux IRQ framework features to get
rid of global arrays. It also adds support for irq affinity setting.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/sgi-ip27/ip27-init.c')
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-init.c | 33 |
1 files changed, 2 insertions, 31 deletions
diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index e6fa9d0c708a..6074efeff894 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -56,7 +56,6 @@ static void per_hub_init(cnodeid_t cnode) { struct hub_data *hub = hub_data(cnode); nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); - int i; cpumask_set_cpu(smp_processor_id(), &hub->h_cpus); @@ -87,24 +86,6 @@ static void 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 accidentally - * 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 per_cpu_init(void) @@ -113,8 +94,6 @@ void per_cpu_init(void) int slice = LOCAL_HUB_L(PI_CPU_NUM); cnodeid_t cnode = get_compact_nodeid(); struct hub_data *hub = hub_data(cnode); - struct slice_data *si = hub->slice + slice; - int i; if (test_and_set_bit(slice, &hub->slice_map)) return; @@ -123,22 +102,14 @@ void per_cpu_init(void) per_hub_init(cnode); - for (i = 0; i < LEVELS_PER_SLICE; i++) - si->level_to_irq[i] = -1; - - /* - * We use this so we can find the local hub's data as fast as only - * possible. - */ - cpu_data[cpu].data = si; - cpu_time_init(); install_ipi(); /* Install our NMI handler if symmon hasn't installed one. */ install_cpu_nmi_handler(cputoslice(cpu)); - set_c0_status(SRB_DEV0 | SRB_DEV1); + enable_percpu_irq(IP27_HUB_PEND0_IRQ, IRQ_TYPE_NONE); + enable_percpu_irq(IP27_HUB_PEND1_IRQ, IRQ_TYPE_NONE); } /* |