1 files changed, 63 insertions, 30 deletions

diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index db7513881530..100b9c204e78 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -1,5 +1,62 @@
+#include <linux/platform_device.h>
+
 #include <asm/btfixup.h>
 
+struct irq_bucket {
+        struct irq_bucket *next;
+        unsigned int real_irq;
+        unsigned int irq;
+        unsigned int pil;
+};
+
+#define SUN4D_MAX_BOARD 10
+#define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5)
+
+/* Map between the irq identifier used in hw to the
+ * irq_bucket. The map is sufficient large to hold
+ * the sun4d hw identifiers.
+ */
+extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ];
+
+
+/* sun4m specific type definitions */
+
+/* This maps direct to CPU specific interrupt registers */
+struct sun4m_irq_percpu {
+        u32     pending;
+        u32     clear;
+        u32     set;
+};
+
+/* This maps direct to global interrupt registers */
+struct sun4m_irq_global {
+        u32     pending;
+        u32     mask;
+        u32     mask_clear;
+        u32     mask_set;
+        u32     interrupt_target;
+};
+
+extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
+extern struct sun4m_irq_global __iomem *sun4m_irq_global;
+
+/*
+ * Platform specific irq configuration
+ * The individual platforms assign their platform
+ * specifics in their init functions.
+ */
+struct sparc_irq_config {
+        void (*init_timers)(irq_handler_t);
+        unsigned int (*build_device_irq)(struct platform_device *op,
+                                         unsigned int real_irq);
+};
+extern struct sparc_irq_config sparc_irq_config;
+
+unsigned int irq_alloc(unsigned int real_irq, unsigned int pil);
+void irq_link(unsigned int irq);
+void irq_unlink(unsigned int irq);
+void handler_irq(unsigned int pil, struct pt_regs *regs);
+
 /* Dave Redman (djhr@tadpole.co.uk)
  * changed these to function pointers.. it saves cycles and will allow
  * the irq dependencies to be split into different files at a later date
@@ -8,33 +65,9 @@
  * Changed these to btfixup entities... It saves cycles :)
  */
 
-BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
-BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
-BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
-BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
 BTFIXUPDEF_CALL(void, clear_clock_irq, void)
 BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
 
-static inline void __disable_irq(unsigned int irq)
-{
-        BTFIXUP_CALL(disable_irq)(irq);
-}
-
-static inline void __enable_irq(unsigned int irq)
-{
-        BTFIXUP_CALL(enable_irq)(irq);
-}
-
-static inline void disable_pil_irq(unsigned int irq)
-{
-        BTFIXUP_CALL(disable_pil_irq)(irq);
-}
-
-static inline void enable_pil_irq(unsigned int irq)
-{
-        BTFIXUP_CALL(enable_pil_irq)(irq);
-}
-
 static inline void clear_clock_irq(void)
 {
         BTFIXUP_CALL(clear_clock_irq)();
@@ -45,12 +78,6 @@ static inline void load_profile_irq(int cpu, int limit)
         BTFIXUP_CALL(load_profile_irq)(cpu, limit);
 }
 
-extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
-
-extern void claim_ticker14(irq_handler_t irq_handler,
-                           int irq,
-                           unsigned int timeout);
-
 #ifdef CONFIG_SMP
 BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
 BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
@@ -59,4 +86,10 @@ BTFIXUPDEF_CALL(void, set_irq_udt, int)
 #define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
 #define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
 #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
+
+/* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
+#define SUN4D_IPI_IRQ 14
+
+extern void sun4d_ipi_interrupt(void);
+
 #endif