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Diffstat (limited to 'arch/sparc/kernel/irq.h')
-rw-r--r--arch/sparc/kernel/irq.h60
1 files changed, 28 insertions, 32 deletions
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index 5a021dd2f85..b66b6aad1d6 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -1,6 +1,5 @@
#include <linux/platform_device.h>
-#include <asm/btfixup.h>
#include <asm/cpu_type.h>
struct irq_bucket {
@@ -10,6 +9,9 @@ struct irq_bucket {
unsigned int pil;
};
+#define SUN4M_HARD_INT(x) (0x000000001 << (x))
+#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
+
#define SUN4D_MAX_BOARD 10
#define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5)
@@ -41,52 +43,46 @@ struct sun4m_irq_global {
extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
extern struct sun4m_irq_global __iomem *sun4m_irq_global;
+/* The following definitions describe the individual platform features: */
+#define FEAT_L10_CLOCKSOURCE (1 << 0) /* L10 timer is used as a clocksource */
+#define FEAT_L10_CLOCKEVENT (1 << 1) /* L10 timer is used as a clockevent */
+#define FEAT_L14_ONESHOT (1 << 2) /* L14 timer clockevent can oneshot */
+
/*
- * Platform specific irq configuration
+ * Platform specific configuration
* The individual platforms assign their platform
* specifics in their init functions.
*/
-struct sparc_irq_config {
- void (*init_timers)(irq_handler_t);
+struct sparc_config {
+ void (*init_timers)(void);
unsigned int (*build_device_irq)(struct platform_device *op,
unsigned int real_irq);
+
+ /* generic clockevent features - see FEAT_* above */
+ int features;
+
+ /* clock rate used for clock event timer */
+ int clock_rate;
+
+ /* one period for clock source timer */
+ unsigned int cs_period;
+
+ /* function to obtain offsett for cs period */
+ unsigned int (*get_cycles_offset)(void);
+
+ void (*clear_clock_irq)(void);
+ void (*load_profile_irq)(int cpu, unsigned int limit);
};
-extern struct sparc_irq_config sparc_irq_config;
+extern struct sparc_config sparc_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
- * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
- * Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Changed these to btfixup entities... It saves cycles :)
- */
-
-BTFIXUPDEF_CALL(void, clear_clock_irq, void)
-BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
-
-static inline void clear_clock_irq(void)
-{
- BTFIXUP_CALL(clear_clock_irq)();
-}
-
-static inline void load_profile_irq(int cpu, int limit)
-{
- BTFIXUP_CALL(load_profile_irq)(cpu, limit);
-}
+unsigned long leon_get_irqmask(unsigned int irq);
#ifdef CONFIG_SMP
-BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
-BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
-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 13