[POWERPC] Support for "weird" MPICs and fixup mpc7448_hpc2
This adds a new hardware information table for mpic. This enables the mpic code to deal with mpic controllers with different register layouts and hardware behaviours. This introduces CONFIG_MPIC_WEIRD. For boards with non standard mpic controllers, select CONFIG_MPIC_WEIRD and add its hardware information in the mpic_infos[] array. TSI108/109 PIC takes the first index of weird hardware information table. :) The table can be extended. The Tsi108/109 PIC looks like standard OpenPIC but, in fact, is different in register mapping and behavior. The patch does not affect the behavior of standard mpic. If CONFIG_MPIC_WEIRD is not defined, the code is essentially identical to the current code. [benh@kernel.crashing.org: This patch is a slightly cleaned up version of Zang Roy's support for the TSI108 MPIC variant. It also fixes up MPC7448_hpc2 to use the new version of the type macros and changes the way MPIC is selected in Kconfig to better match what is done for other system devices. ] Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
committed by
Paul Mackerras
parent
3efbdd136e
commit
7233593b78
@ -54,6 +54,94 @@ static DEFINE_SPINLOCK(mpic_lock);
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#endif
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#endif
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#ifdef CONFIG_MPIC_WEIRD
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static u32 mpic_infos[][MPIC_IDX_END] = {
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[0] = { /* Original OpenPIC compatible MPIC */
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MPIC_GREG_BASE,
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MPIC_GREG_FEATURE_0,
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MPIC_GREG_GLOBAL_CONF_0,
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MPIC_GREG_VENDOR_ID,
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MPIC_GREG_IPI_VECTOR_PRI_0,
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MPIC_GREG_IPI_STRIDE,
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MPIC_GREG_SPURIOUS,
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MPIC_GREG_TIMER_FREQ,
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MPIC_TIMER_BASE,
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MPIC_TIMER_STRIDE,
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MPIC_TIMER_CURRENT_CNT,
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MPIC_TIMER_BASE_CNT,
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MPIC_TIMER_VECTOR_PRI,
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MPIC_TIMER_DESTINATION,
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MPIC_CPU_BASE,
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MPIC_CPU_STRIDE,
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MPIC_CPU_IPI_DISPATCH_0,
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MPIC_CPU_IPI_DISPATCH_STRIDE,
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MPIC_CPU_CURRENT_TASK_PRI,
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MPIC_CPU_WHOAMI,
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MPIC_CPU_INTACK,
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MPIC_CPU_EOI,
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MPIC_IRQ_BASE,
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MPIC_IRQ_STRIDE,
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MPIC_IRQ_VECTOR_PRI,
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MPIC_VECPRI_VECTOR_MASK,
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MPIC_VECPRI_POLARITY_POSITIVE,
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MPIC_VECPRI_POLARITY_NEGATIVE,
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MPIC_VECPRI_SENSE_LEVEL,
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MPIC_VECPRI_SENSE_EDGE,
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MPIC_VECPRI_POLARITY_MASK,
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MPIC_VECPRI_SENSE_MASK,
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MPIC_IRQ_DESTINATION
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},
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[1] = { /* Tsi108/109 PIC */
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TSI108_GREG_BASE,
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TSI108_GREG_FEATURE_0,
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TSI108_GREG_GLOBAL_CONF_0,
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TSI108_GREG_VENDOR_ID,
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TSI108_GREG_IPI_VECTOR_PRI_0,
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TSI108_GREG_IPI_STRIDE,
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TSI108_GREG_SPURIOUS,
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TSI108_GREG_TIMER_FREQ,
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TSI108_TIMER_BASE,
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TSI108_TIMER_STRIDE,
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TSI108_TIMER_CURRENT_CNT,
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TSI108_TIMER_BASE_CNT,
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TSI108_TIMER_VECTOR_PRI,
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TSI108_TIMER_DESTINATION,
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TSI108_CPU_BASE,
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TSI108_CPU_STRIDE,
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TSI108_CPU_IPI_DISPATCH_0,
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TSI108_CPU_IPI_DISPATCH_STRIDE,
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TSI108_CPU_CURRENT_TASK_PRI,
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TSI108_CPU_WHOAMI,
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TSI108_CPU_INTACK,
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TSI108_CPU_EOI,
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TSI108_IRQ_BASE,
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TSI108_IRQ_STRIDE,
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TSI108_IRQ_VECTOR_PRI,
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TSI108_VECPRI_VECTOR_MASK,
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TSI108_VECPRI_POLARITY_POSITIVE,
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TSI108_VECPRI_POLARITY_NEGATIVE,
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TSI108_VECPRI_SENSE_LEVEL,
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TSI108_VECPRI_SENSE_EDGE,
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TSI108_VECPRI_POLARITY_MASK,
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TSI108_VECPRI_SENSE_MASK,
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TSI108_IRQ_DESTINATION
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},
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};
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#define MPIC_INFO(name) mpic->hw_set[MPIC_IDX_##name]
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#else /* CONFIG_MPIC_WEIRD */
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#define MPIC_INFO(name) MPIC_##name
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#endif /* CONFIG_MPIC_WEIRD */
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/*
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* Register accessor functions
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*/
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@ -80,7 +168,8 @@ static inline void _mpic_write(unsigned int be, volatile u32 __iomem *base,
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static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
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{
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unsigned int be = (mpic->flags & MPIC_BIG_ENDIAN) != 0;
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unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
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unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
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(ipi * MPIC_INFO(GREG_IPI_STRIDE));
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if (mpic->flags & MPIC_BROKEN_IPI)
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be = !be;
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@ -89,7 +178,8 @@ static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
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static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 value)
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{
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unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
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unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
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(ipi * MPIC_INFO(GREG_IPI_STRIDE));
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_mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->gregs, offset, value);
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}
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@ -120,7 +210,7 @@ static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigne
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unsigned int idx = src_no & mpic->isu_mask;
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return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
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reg + (idx * MPIC_IRQ_STRIDE));
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reg + (idx * MPIC_INFO(IRQ_STRIDE)));
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}
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static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
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@ -130,7 +220,7 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
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unsigned int idx = src_no & mpic->isu_mask;
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_mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
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reg + (idx * MPIC_IRQ_STRIDE), value);
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reg + (idx * MPIC_INFO(IRQ_STRIDE)), value);
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}
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#define mpic_read(b,r) _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,(b),(r))
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@ -156,8 +246,8 @@ static void __init mpic_test_broken_ipi(struct mpic *mpic)
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{
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u32 r;
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mpic_write(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0, MPIC_VECPRI_MASK);
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r = mpic_read(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0);
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mpic_write(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0), MPIC_VECPRI_MASK);
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r = mpic_read(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0));
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if (r == le32_to_cpu(MPIC_VECPRI_MASK)) {
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printk(KERN_INFO "mpic: Detected reversed IPI registers\n");
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@ -394,8 +484,8 @@ static inline struct mpic * mpic_from_irq(unsigned int irq)
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/* Send an EOI */
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static inline void mpic_eoi(struct mpic *mpic)
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{
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mpic_cpu_write(MPIC_CPU_EOI, 0);
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(void)mpic_cpu_read(MPIC_CPU_WHOAMI);
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mpic_cpu_write(MPIC_INFO(CPU_EOI), 0);
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(void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI));
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}
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#ifdef CONFIG_SMP
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@ -419,8 +509,8 @@ static void mpic_unmask_irq(unsigned int irq)
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DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
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mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
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mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) &
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mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
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mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) &
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~MPIC_VECPRI_MASK);
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/* make sure mask gets to controller before we return to user */
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do {
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@ -428,7 +518,7 @@ static void mpic_unmask_irq(unsigned int irq)
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printk(KERN_ERR "mpic_enable_irq timeout\n");
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break;
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}
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} while(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK);
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} while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK);
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}
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static void mpic_mask_irq(unsigned int irq)
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@ -439,8 +529,8 @@ static void mpic_mask_irq(unsigned int irq)
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DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
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mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
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mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) |
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mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
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mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) |
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MPIC_VECPRI_MASK);
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/* make sure mask gets to controller before we return to user */
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@ -449,7 +539,7 @@ static void mpic_mask_irq(unsigned int irq)
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printk(KERN_ERR "mpic_enable_irq timeout\n");
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break;
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}
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} while(!(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK));
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} while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK));
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}
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static void mpic_end_irq(unsigned int irq)
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@ -560,24 +650,28 @@ static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
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cpus_and(tmp, cpumask, cpu_online_map);
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mpic_irq_write(src, MPIC_IRQ_DESTINATION,
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mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION),
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mpic_physmask(cpus_addr(tmp)[0]));
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}
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static unsigned int mpic_type_to_vecpri(unsigned int type)
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static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)
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{
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/* Now convert sense value */
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switch(type & IRQ_TYPE_SENSE_MASK) {
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case IRQ_TYPE_EDGE_RISING:
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return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_POSITIVE;
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return MPIC_INFO(VECPRI_SENSE_EDGE) |
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MPIC_INFO(VECPRI_POLARITY_POSITIVE);
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case IRQ_TYPE_EDGE_FALLING:
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case IRQ_TYPE_EDGE_BOTH:
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return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_NEGATIVE;
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return MPIC_INFO(VECPRI_SENSE_EDGE) |
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MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
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case IRQ_TYPE_LEVEL_HIGH:
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return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_POSITIVE;
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return MPIC_INFO(VECPRI_SENSE_LEVEL) |
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MPIC_INFO(VECPRI_POLARITY_POSITIVE);
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case IRQ_TYPE_LEVEL_LOW:
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default:
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return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_NEGATIVE;
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return MPIC_INFO(VECPRI_SENSE_LEVEL) |
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MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
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}
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}
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@ -609,13 +703,14 @@ static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
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vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
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MPIC_VECPRI_SENSE_EDGE;
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else
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vecpri = mpic_type_to_vecpri(flow_type);
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vecpri = mpic_type_to_vecpri(mpic, flow_type);
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vold = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
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vnew = vold & ~(MPIC_VECPRI_POLARITY_MASK | MPIC_VECPRI_SENSE_MASK);
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vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
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vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
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MPIC_INFO(VECPRI_SENSE_MASK));
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vnew |= vecpri;
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if (vold != vnew)
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mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI, vnew);
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mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI), vnew);
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return 0;
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}
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@ -798,17 +893,22 @@ struct mpic * __init mpic_alloc(struct device_node *node,
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mpic->irq_count = irq_count;
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mpic->num_sources = 0; /* so far */
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#ifdef CONFIG_MPIC_WEIRD
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mpic->hw_set = mpic_infos[MPIC_GET_REGSET(flags)];
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#endif
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/* Map the global registers */
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mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
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mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
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mpic->gregs = ioremap(phys_addr + MPIC_INFO(GREG_BASE), 0x1000);
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mpic->tmregs = mpic->gregs +
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((MPIC_INFO(TIMER_BASE) - MPIC_INFO(GREG_BASE)) >> 2);
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BUG_ON(mpic->gregs == NULL);
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/* Reset */
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if (flags & MPIC_WANTS_RESET) {
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mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
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mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
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mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
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mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
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| MPIC_GREG_GCONF_RESET);
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while( mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
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while( mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
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& MPIC_GREG_GCONF_RESET)
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mb();
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}
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@ -817,7 +917,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
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* MPICs, num sources as well. On ISU MPICs, sources are counted
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* as ISUs are added
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*/
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reg = mpic_read(mpic->gregs, MPIC_GREG_FEATURE_0);
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reg = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
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mpic->num_cpus = ((reg & MPIC_GREG_FEATURE_LAST_CPU_MASK)
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>> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1;
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if (isu_size == 0)
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@ -826,16 +926,16 @@ struct mpic * __init mpic_alloc(struct device_node *node,
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/* Map the per-CPU registers */
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for (i = 0; i < mpic->num_cpus; i++) {
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mpic->cpuregs[i] = ioremap(phys_addr + MPIC_CPU_BASE +
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i * MPIC_CPU_STRIDE, 0x1000);
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mpic->cpuregs[i] = ioremap(phys_addr + MPIC_INFO(CPU_BASE) +
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i * MPIC_INFO(CPU_STRIDE), 0x1000);
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BUG_ON(mpic->cpuregs[i] == NULL);
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}
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/* Initialize main ISU if none provided */
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if (mpic->isu_size == 0) {
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mpic->isu_size = mpic->num_sources;
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mpic->isus[0] = ioremap(phys_addr + MPIC_IRQ_BASE,
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MPIC_IRQ_STRIDE * mpic->isu_size);
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mpic->isus[0] = ioremap(phys_addr + MPIC_INFO(IRQ_BASE),
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MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
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BUG_ON(mpic->isus[0] == NULL);
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}
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mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
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@ -879,7 +979,8 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
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BUG_ON(isu_num >= MPIC_MAX_ISU);
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mpic->isus[isu_num] = ioremap(phys_addr, MPIC_IRQ_STRIDE * mpic->isu_size);
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mpic->isus[isu_num] = ioremap(phys_addr,
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MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
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if ((isu_first + mpic->isu_size) > mpic->num_sources)
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mpic->num_sources = isu_first + mpic->isu_size;
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}
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@ -904,14 +1005,16 @@ void __init mpic_init(struct mpic *mpic)
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printk(KERN_INFO "mpic: Initializing for %d sources\n", mpic->num_sources);
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/* Set current processor priority to max */
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mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
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mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
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/* Initialize timers: just disable them all */
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for (i = 0; i < 4; i++) {
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mpic_write(mpic->tmregs,
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i * MPIC_TIMER_STRIDE + MPIC_TIMER_DESTINATION, 0);
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i * MPIC_INFO(TIMER_STRIDE) +
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MPIC_INFO(TIMER_DESTINATION), 0);
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mpic_write(mpic->tmregs,
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i * MPIC_TIMER_STRIDE + MPIC_TIMER_VECTOR_PRI,
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i * MPIC_INFO(TIMER_STRIDE) +
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MPIC_INFO(TIMER_VECTOR_PRI),
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MPIC_VECPRI_MASK |
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(MPIC_VEC_TIMER_0 + i));
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}
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@ -940,21 +1043,22 @@ void __init mpic_init(struct mpic *mpic)
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(8 << MPIC_VECPRI_PRIORITY_SHIFT);
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/* init hw */
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mpic_irq_write(i, MPIC_IRQ_VECTOR_PRI, vecpri);
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mpic_irq_write(i, MPIC_IRQ_DESTINATION,
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mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri);
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mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
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1 << hard_smp_processor_id());
|
||||
}
|
||||
|
||||
/* Init spurrious vector */
|
||||
mpic_write(mpic->gregs, MPIC_GREG_SPURIOUS, MPIC_VEC_SPURRIOUS);
|
||||
mpic_write(mpic->gregs, MPIC_INFO(GREG_SPURIOUS), MPIC_VEC_SPURRIOUS);
|
||||
|
||||
/* Disable 8259 passthrough */
|
||||
mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
|
||||
mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
|
||||
| MPIC_GREG_GCONF_8259_PTHROU_DIS);
|
||||
/* Disable 8259 passthrough, if supported */
|
||||
if (!(mpic->flags & MPIC_NO_PTHROU_DIS))
|
||||
mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
|
||||
mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
|
||||
| MPIC_GREG_GCONF_8259_PTHROU_DIS);
|
||||
|
||||
/* Set current processor priority to 0 */
|
||||
mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
|
||||
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
|
||||
}
|
||||
|
||||
void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio)
|
||||
@ -997,9 +1101,9 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
|
||||
mpic_ipi_write(src - MPIC_VEC_IPI_0,
|
||||
reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
|
||||
} else {
|
||||
reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI)
|
||||
reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI))
|
||||
& ~MPIC_VECPRI_PRIORITY_MASK;
|
||||
mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
|
||||
mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
|
||||
reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
|
||||
}
|
||||
spin_unlock_irqrestore(&mpic_lock, flags);
|
||||
@ -1017,7 +1121,7 @@ unsigned int mpic_irq_get_priority(unsigned int irq)
|
||||
if (is_ipi)
|
||||
reg = mpic_ipi_read(src = MPIC_VEC_IPI_0);
|
||||
else
|
||||
reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
|
||||
reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
|
||||
spin_unlock_irqrestore(&mpic_lock, flags);
|
||||
return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
|
||||
}
|
||||
@ -1043,12 +1147,12 @@ void mpic_setup_this_cpu(void)
|
||||
*/
|
||||
if (distribute_irqs) {
|
||||
for (i = 0; i < mpic->num_sources ; i++)
|
||||
mpic_irq_write(i, MPIC_IRQ_DESTINATION,
|
||||
mpic_irq_read(i, MPIC_IRQ_DESTINATION) | msk);
|
||||
mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
|
||||
mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) | msk);
|
||||
}
|
||||
|
||||
/* Set current processor priority to 0 */
|
||||
mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
|
||||
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
|
||||
|
||||
spin_unlock_irqrestore(&mpic_lock, flags);
|
||||
#endif /* CONFIG_SMP */
|
||||
@ -1058,7 +1162,7 @@ int mpic_cpu_get_priority(void)
|
||||
{
|
||||
struct mpic *mpic = mpic_primary;
|
||||
|
||||
return mpic_cpu_read(MPIC_CPU_CURRENT_TASK_PRI);
|
||||
return mpic_cpu_read(MPIC_INFO(CPU_CURRENT_TASK_PRI));
|
||||
}
|
||||
|
||||
void mpic_cpu_set_priority(int prio)
|
||||
@ -1066,7 +1170,7 @@ void mpic_cpu_set_priority(int prio)
|
||||
struct mpic *mpic = mpic_primary;
|
||||
|
||||
prio &= MPIC_CPU_TASKPRI_MASK;
|
||||
mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, prio);
|
||||
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), prio);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1088,11 +1192,11 @@ void mpic_teardown_this_cpu(int secondary)
|
||||
|
||||
/* let the mpic know we don't want intrs. */
|
||||
for (i = 0; i < mpic->num_sources ; i++)
|
||||
mpic_irq_write(i, MPIC_IRQ_DESTINATION,
|
||||
mpic_irq_read(i, MPIC_IRQ_DESTINATION) & ~msk);
|
||||
mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
|
||||
mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) & ~msk);
|
||||
|
||||
/* Set current processor priority to max */
|
||||
mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
|
||||
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
|
||||
|
||||
spin_unlock_irqrestore(&mpic_lock, flags);
|
||||
}
|
||||
@ -1108,7 +1212,8 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask)
|
||||
DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no);
|
||||
#endif
|
||||
|
||||
mpic_cpu_write(MPIC_CPU_IPI_DISPATCH_0 + ipi_no * 0x10,
|
||||
mpic_cpu_write(MPIC_INFO(CPU_IPI_DISPATCH_0) +
|
||||
ipi_no * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE),
|
||||
mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
|
||||
}
|
||||
|
||||
@ -1116,7 +1221,7 @@ unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
|
||||
{
|
||||
u32 src;
|
||||
|
||||
src = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK;
|
||||
src = mpic_cpu_read(MPIC_INFO(CPU_INTACK)) & MPIC_INFO(VECPRI_VECTOR_MASK);
|
||||
#ifdef DEBUG_LOW
|
||||
DBG("%s: get_one_irq(): %d\n", mpic->name, src);
|
||||
#endif
|
||||
|
Reference in New Issue
Block a user