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Diffstat (limited to 'arch/ppc64/kernel/mpic.h')
-rw-r--r--arch/ppc64/kernel/mpic.h273
1 files changed, 0 insertions, 273 deletions
diff --git a/arch/ppc64/kernel/mpic.h b/arch/ppc64/kernel/mpic.h
deleted file mode 100644
index ca78a7f10528..000000000000
--- a/arch/ppc64/kernel/mpic.h
+++ /dev/null
@@ -1,273 +0,0 @@
-#include <linux/irq.h>
-
-/*
- * Global registers
- */
-
-#define MPIC_GREG_BASE 0x01000
-
-#define MPIC_GREG_FEATURE_0 0x00000
-#define MPIC_GREG_FEATURE_LAST_SRC_MASK 0x07ff0000
-#define MPIC_GREG_FEATURE_LAST_SRC_SHIFT 16
-#define MPIC_GREG_FEATURE_LAST_CPU_MASK 0x00001f00
-#define MPIC_GREG_FEATURE_LAST_CPU_SHIFT 8
-#define MPIC_GREG_FEATURE_VERSION_MASK 0xff
-#define MPIC_GREG_FEATURE_1 0x00010
-#define MPIC_GREG_GLOBAL_CONF_0 0x00020
-#define MPIC_GREG_GCONF_RESET 0x80000000
-#define MPIC_GREG_GCONF_8259_PTHROU_DIS 0x20000000
-#define MPIC_GREG_GCONF_BASE_MASK 0x000fffff
-#define MPIC_GREG_GLOBAL_CONF_1 0x00030
-#define MPIC_GREG_VENDOR_0 0x00040
-#define MPIC_GREG_VENDOR_1 0x00050
-#define MPIC_GREG_VENDOR_2 0x00060
-#define MPIC_GREG_VENDOR_3 0x00070
-#define MPIC_GREG_VENDOR_ID 0x00080
-#define MPIC_GREG_VENDOR_ID_STEPPING_MASK 0x00ff0000
-#define MPIC_GREG_VENDOR_ID_STEPPING_SHIFT 16
-#define MPIC_GREG_VENDOR_ID_DEVICE_ID_MASK 0x0000ff00
-#define MPIC_GREG_VENDOR_ID_DEVICE_ID_SHIFT 8
-#define MPIC_GREG_VENDOR_ID_VENDOR_ID_MASK 0x000000ff
-#define MPIC_GREG_PROCESSOR_INIT 0x00090
-#define MPIC_GREG_IPI_VECTOR_PRI_0 0x000a0
-#define MPIC_GREG_IPI_VECTOR_PRI_1 0x000b0
-#define MPIC_GREG_IPI_VECTOR_PRI_2 0x000c0
-#define MPIC_GREG_IPI_VECTOR_PRI_3 0x000d0
-#define MPIC_GREG_SPURIOUS 0x000e0
-#define MPIC_GREG_TIMER_FREQ 0x000f0
-
-/*
- *
- * Timer registers
- */
-#define MPIC_TIMER_BASE 0x01100
-#define MPIC_TIMER_STRIDE 0x40
-
-#define MPIC_TIMER_CURRENT_CNT 0x00000
-#define MPIC_TIMER_BASE_CNT 0x00010
-#define MPIC_TIMER_VECTOR_PRI 0x00020
-#define MPIC_TIMER_DESTINATION 0x00030
-
-/*
- * Per-Processor registers
- */
-
-#define MPIC_CPU_THISBASE 0x00000
-#define MPIC_CPU_BASE 0x20000
-#define MPIC_CPU_STRIDE 0x01000
-
-#define MPIC_CPU_IPI_DISPATCH_0 0x00040
-#define MPIC_CPU_IPI_DISPATCH_1 0x00050
-#define MPIC_CPU_IPI_DISPATCH_2 0x00060
-#define MPIC_CPU_IPI_DISPATCH_3 0x00070
-#define MPIC_CPU_CURRENT_TASK_PRI 0x00080
-#define MPIC_CPU_TASKPRI_MASK 0x0000000f
-#define MPIC_CPU_WHOAMI 0x00090
-#define MPIC_CPU_WHOAMI_MASK 0x0000001f
-#define MPIC_CPU_INTACK 0x000a0
-#define MPIC_CPU_EOI 0x000b0
-
-/*
- * Per-source registers
- */
-
-#define MPIC_IRQ_BASE 0x10000
-#define MPIC_IRQ_STRIDE 0x00020
-#define MPIC_IRQ_VECTOR_PRI 0x00000
-#define MPIC_VECPRI_MASK 0x80000000
-#define MPIC_VECPRI_ACTIVITY 0x40000000 /* Read Only */
-#define MPIC_VECPRI_PRIORITY_MASK 0x000f0000
-#define MPIC_VECPRI_PRIORITY_SHIFT 16
-#define MPIC_VECPRI_VECTOR_MASK 0x000007ff
-#define MPIC_VECPRI_POLARITY_POSITIVE 0x00800000
-#define MPIC_VECPRI_POLARITY_NEGATIVE 0x00000000
-#define MPIC_VECPRI_POLARITY_MASK 0x00800000
-#define MPIC_VECPRI_SENSE_LEVEL 0x00400000
-#define MPIC_VECPRI_SENSE_EDGE 0x00000000
-#define MPIC_VECPRI_SENSE_MASK 0x00400000
-#define MPIC_IRQ_DESTINATION 0x00010
-
-#define MPIC_MAX_IRQ_SOURCES 2048
-#define MPIC_MAX_CPUS 32
-#define MPIC_MAX_ISU 32
-
-/*
- * Special vector numbers (internal use only)
- */
-#define MPIC_VEC_SPURRIOUS 255
-#define MPIC_VEC_IPI_3 254
-#define MPIC_VEC_IPI_2 253
-#define MPIC_VEC_IPI_1 252
-#define MPIC_VEC_IPI_0 251
-
-/* unused */
-#define MPIC_VEC_TIMER_3 250
-#define MPIC_VEC_TIMER_2 249
-#define MPIC_VEC_TIMER_1 248
-#define MPIC_VEC_TIMER_0 247
-
-/* Type definition of the cascade handler */
-typedef int (*mpic_cascade_t)(struct pt_regs *regs, void *data);
-
-#ifdef CONFIG_MPIC_BROKEN_U3
-/* Fixup table entry */
-struct mpic_irq_fixup
-{
- u8 __iomem *base;
- unsigned int irq;
-};
-#endif /* CONFIG_MPIC_BROKEN_U3 */
-
-
-/* The instance data of a given MPIC */
-struct mpic
-{
- /* The "linux" controller struct */
- hw_irq_controller hc_irq;
-#ifdef CONFIG_SMP
- hw_irq_controller hc_ipi;
-#endif
- const char *name;
- /* Flags */
- unsigned int flags;
- /* How many irq sources in a given ISU */
- unsigned int isu_size;
- unsigned int isu_shift;
- unsigned int isu_mask;
- /* Offset of irq vector numbers */
- unsigned int irq_offset;
- unsigned int irq_count;
- /* Offset of ipi vector numbers */
- unsigned int ipi_offset;
- /* Number of sources */
- unsigned int num_sources;
- /* Number of CPUs */
- unsigned int num_cpus;
- /* cascade handler */
- mpic_cascade_t cascade;
- void *cascade_data;
- unsigned int cascade_vec;
- /* senses array */
- unsigned char *senses;
- unsigned int senses_count;
-
-#ifdef CONFIG_MPIC_BROKEN_U3
- /* The fixup table */
- struct mpic_irq_fixup *fixups;
- spinlock_t fixup_lock;
-#endif
-
- /* The various ioremap'ed bases */
- volatile u32 __iomem *gregs;
- volatile u32 __iomem *tmregs;
- volatile u32 __iomem *cpuregs[MPIC_MAX_CPUS];
- volatile u32 __iomem *isus[MPIC_MAX_ISU];
-
- /* link */
- struct mpic *next;
-};
-
-/* This is the primary controller, only that one has IPIs and
- * has afinity control. A non-primary MPIC always uses CPU0
- * registers only
- */
-#define MPIC_PRIMARY 0x00000001
-/* Set this for a big-endian MPIC */
-#define MPIC_BIG_ENDIAN 0x00000002
-/* Broken U3 MPIC */
-#define MPIC_BROKEN_U3 0x00000004
-/* Broken IPI registers (autodetected) */
-#define MPIC_BROKEN_IPI 0x00000008
-/* MPIC wants a reset */
-#define MPIC_WANTS_RESET 0x00000010
-
-/* Allocate the controller structure and setup the linux irq descs
- * for the range if interrupts passed in. No HW initialization is
- * actually performed.
- *
- * @phys_addr: physial base address of the MPIC
- * @flags: flags, see constants above
- * @isu_size: number of interrupts in an ISU. Use 0 to use a
- * standard ISU-less setup (aka powermac)
- * @irq_offset: first irq number to assign to this mpic
- * @irq_count: number of irqs to use with this mpic IRQ sources. Pass 0
- * to match the number of sources
- * @ipi_offset: first irq number to assign to this mpic IPI sources,
- * used only on primary mpic
- * @senses: array of sense values
- * @senses_num: number of entries in the array
- *
- * Note about the sense array. If none is passed, all interrupts are
- * setup to be level negative unless MPIC_BROKEN_U3 is set in which
- * case they are edge positive (and the array is ignored anyway).
- * The values in the array start at the first source of the MPIC,
- * that is senses[0] correspond to linux irq "irq_offset".
- */
-extern struct mpic *mpic_alloc(unsigned long phys_addr,
- unsigned int flags,
- unsigned int isu_size,
- unsigned int irq_offset,
- unsigned int irq_count,
- unsigned int ipi_offset,
- unsigned char *senses,
- unsigned int senses_num,
- const char *name);
-
-/* Assign ISUs, to call before mpic_init()
- *
- * @mpic: controller structure as returned by mpic_alloc()
- * @isu_num: ISU number
- * @phys_addr: physical address of the ISU
- */
-extern void mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
- unsigned long phys_addr);
-
-/* Initialize the controller. After this has been called, none of the above
- * should be called again for this mpic
- */
-extern void mpic_init(struct mpic *mpic);
-
-/* Setup a cascade. Currently, only one cascade is supported this
- * way, though you can always do a normal request_irq() and add
- * other cascades this way. You should call this _after_ having
- * added all the ISUs
- *
- * @irq_no: "linux" irq number of the cascade (that is offset'ed vector)
- * @handler: cascade handler function
- */
-extern void mpic_setup_cascade(unsigned int irq_no, mpic_cascade_t hanlder,
- void *data);
-
-/*
- * All of the following functions must only be used after the
- * ISUs have been assigned and the controller fully initialized
- * with mpic_init()
- */
-
-
-/* Change/Read the priority of an interrupt. Default is 8 for irqs and
- * 10 for IPIs. You can call this on both IPIs and IRQ numbers, but the
- * IPI number is then the offset'ed (linux irq number mapped to the IPI)
- */
-extern void mpic_irq_set_priority(unsigned int irq, unsigned int pri);
-extern unsigned int mpic_irq_get_priority(unsigned int irq);
-
-/* Setup a non-boot CPU */
-extern void mpic_setup_this_cpu(void);
-
-/* Clean up for kexec (or cpu offline or ...) */
-extern void mpic_teardown_this_cpu(int secondary);
-
-/* Request IPIs on primary mpic */
-extern void mpic_request_ipis(void);
-
-/* Send an IPI (non offseted number 0..3) */
-extern void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask);
-
-/* Fetch interrupt from a given mpic */
-extern int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
-/* This one gets to the primary mpic */
-extern int mpic_get_irq(struct pt_regs *regs);
-
-/* global mpic for pSeries */
-extern struct mpic *pSeries_mpic;