diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-12-31 13:54:13 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-12-31 13:54:13 +1100 |
| commit | 4f43143f9fbbb679c38d2ff99e44d3aaa00d0fe1 (patch) | |
| tree | 4472ccce19c5ee2b8c78262d41df8cbcee1aafc3 /arch/powerpc/sysdev | |
| parent | 533b1928b5c37dbdaabec3e7ff073aee8d7af3eb (diff) | |
| parent | 90c26375b48e764a099bb5b606a74bb54bb5a3a7 (diff) | |
| download | linux-4f43143f9fbbb679c38d2ff99e44d3aaa00d0fe1.tar.bz2 | |
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/pasemi
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 31 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/mpic.h | 3 |
2 files changed, 28 insertions, 6 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index f74fe26b787e..f88ff09c4711 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -83,6 +83,7 @@ static u32 mpic_infos[][MPIC_IDX_END] = { MPIC_CPU_WHOAMI, MPIC_CPU_INTACK, MPIC_CPU_EOI, + MPIC_CPU_MCACK, MPIC_IRQ_BASE, MPIC_IRQ_STRIDE, @@ -121,6 +122,7 @@ static u32 mpic_infos[][MPIC_IDX_END] = { TSI108_CPU_WHOAMI, TSI108_CPU_INTACK, TSI108_CPU_EOI, + TSI108_CPU_MCACK, TSI108_IRQ_BASE, TSI108_IRQ_STRIDE, @@ -1126,6 +1128,11 @@ struct mpic * __init mpic_alloc(struct device_node *node, mb(); } + if (flags & MPIC_ENABLE_MCK) + mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), + mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) + | MPIC_GREG_GCONF_MCK); + /* Read feature register, calculate num CPUs and, for non-ISU * MPICs, num sources as well. On ISU MPICs, sources are counted * as ISUs are added @@ -1272,6 +1279,11 @@ void __init mpic_init(struct mpic *mpic) mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) | MPIC_GREG_GCONF_8259_PTHROU_DIS); + if (mpic->flags & MPIC_NO_BIAS) + mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), + mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) + | MPIC_GREG_GCONF_NO_BIAS); + /* Set current processor priority to 0 */ mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0); @@ -1438,13 +1450,13 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask) mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0])); } -unsigned int mpic_get_one_irq(struct mpic *mpic) +static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg) { u32 src; - src = mpic_cpu_read(MPIC_INFO(CPU_INTACK)) & MPIC_INFO(VECPRI_VECTOR_MASK); + src = mpic_cpu_read(reg) & MPIC_INFO(VECPRI_VECTOR_MASK); #ifdef DEBUG_LOW - DBG("%s: get_one_irq(): %d\n", mpic->name, src); + DBG("%s: get_one_irq(reg 0x%x): %d\n", mpic->name, reg, src); #endif if (unlikely(src == mpic->spurious_vec)) { if (mpic->flags & MPIC_SPV_EOI) @@ -1462,6 +1474,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) return irq_linear_revmap(mpic->irqhost, src); } +unsigned int mpic_get_one_irq(struct mpic *mpic) +{ + return _mpic_get_one_irq(mpic, MPIC_INFO(CPU_INTACK)); +} + unsigned int mpic_get_irq(void) { struct mpic *mpic = mpic_primary; @@ -1471,6 +1488,14 @@ unsigned int mpic_get_irq(void) return mpic_get_one_irq(mpic); } +unsigned int mpic_get_mcirq(void) +{ + struct mpic *mpic = mpic_primary; + + BUG_ON(mpic == NULL); + + return _mpic_get_one_irq(mpic, MPIC_INFO(CPU_MCACK)); +} #ifdef CONFIG_SMP void mpic_request_ipis(void) diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h index 4783c6e9f30d..fbf8a266941c 100644 --- a/arch/powerpc/sysdev/mpic.h +++ b/arch/powerpc/sysdev/mpic.h @@ -38,9 +38,6 @@ static inline int mpic_pasemi_msi_init(struct mpic *mpic) extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); extern void mpic_set_vector(unsigned int virq, unsigned int vector); -extern void mpic_end_irq(unsigned int irq); -extern void mpic_mask_irq(unsigned int irq); -extern void mpic_unmask_irq(unsigned int irq); extern void mpic_set_affinity(unsigned int irq, cpumask_t cpumask); #endif /* _POWERPC_SYSDEV_MPIC_H */ |