1 #include <linux/platform_device.h>
3 #include <asm/btfixup.h>
6 struct irq_bucket *next;
12 #define SUN4D_MAX_BOARD 10
13 #define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5)
15 /* Map between the irq identifier used in hw to the
16 * irq_bucket. The map is sufficient large to hold
17 * the sun4d hw identifiers.
19 extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ];
22 /* sun4m specific type definitions */
24 /* This maps direct to CPU specific interrupt registers */
25 struct sun4m_irq_percpu {
31 /* This maps direct to global interrupt registers */
32 struct sun4m_irq_global {
40 extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
41 extern struct sun4m_irq_global __iomem *sun4m_irq_global;
44 * Platform specific irq configuration
45 * The individual platforms assign their platform
46 * specifics in their init functions.
48 struct sparc_irq_config {
49 void (*init_timers)(irq_handler_t);
50 unsigned int (*build_device_irq)(struct platform_device *op,
51 unsigned int real_irq);
53 extern struct sparc_irq_config sparc_irq_config;
55 unsigned int irq_alloc(unsigned int real_irq, unsigned int pil);
56 void irq_link(unsigned int irq);
57 void irq_unlink(unsigned int irq);
58 void handler_irq(unsigned int pil, struct pt_regs *regs);
61 * changed these to function pointers.. it saves cycles and will allow
62 * the irq dependencies to be split into different files at a later date
63 * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
65 * Changed these to btfixup entities... It saves cycles :)
68 BTFIXUPDEF_CALL(void, clear_clock_irq, void)
69 BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
71 static inline void clear_clock_irq(void)
73 BTFIXUP_CALL(clear_clock_irq)();
76 static inline void load_profile_irq(int cpu, int limit)
78 BTFIXUP_CALL(load_profile_irq)(cpu, limit);
82 BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
83 BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
84 BTFIXUPDEF_CALL(void, set_irq_udt, int)
86 #define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
87 #define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
88 #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
90 /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
91 #define SUN4D_IPI_IRQ 13
93 extern void sun4d_ipi_interrupt(void);