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1#include <linux/platform_device.h>
2
3#include <asm/cpu_type.h>
4
5struct irq_bucket {
6 struct irq_bucket *next;
7 unsigned int real_irq;
8 unsigned int irq;
9 unsigned int pil;
10};
11
12#define SUN4M_HARD_INT(x) (0x000000001 << (x))
13#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
14
15#define SUN4D_MAX_BOARD 10
16#define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5)
17
18/* Map between the irq identifier used in hw to the
19 * irq_bucket. The map is sufficient large to hold
20 * the sun4d hw identifiers.
21 */
22extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ];
23
24
25/* sun4m specific type definitions */
26
27/* This maps direct to CPU specific interrupt registers */
28struct sun4m_irq_percpu {
29 u32 pending;
30 u32 clear;
31 u32 set;
32};
33
34/* This maps direct to global interrupt registers */
35struct sun4m_irq_global {
36 u32 pending;
37 u32 mask;
38 u32 mask_clear;
39 u32 mask_set;
40 u32 interrupt_target;
41};
42
43extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
44extern struct sun4m_irq_global __iomem *sun4m_irq_global;
45
46/* The following definitions describe the individual platform features: */
47#define FEAT_L10_CLOCKSOURCE (1 << 0) /* L10 timer is used as a clocksource */
48#define FEAT_L10_CLOCKEVENT (1 << 1) /* L10 timer is used as a clockevent */
49#define FEAT_L14_ONESHOT (1 << 2) /* L14 timer clockevent can oneshot */
50
51/*
52 * Platform specific configuration
53 * The individual platforms assign their platform
54 * specifics in their init functions.
55 */
56struct sparc_config {
57 void (*init_timers)(void);
58 unsigned int (*build_device_irq)(struct platform_device *op,
59 unsigned int real_irq);
60
61 /* generic clockevent features - see FEAT_* above */
62 int features;
63
64 /* clock rate used for clock event timer */
65 int clock_rate;
66
67 /* one period for clock source timer */
68 unsigned int cs_period;
69
70 /* function to obtain offsett for cs period */
71 unsigned int (*get_cycles_offset)(void);
72
73 void (*clear_clock_irq)(void);
74 void (*load_profile_irq)(int cpu, unsigned int limit);
75};
76extern struct sparc_config sparc_config;
77
78unsigned int irq_alloc(unsigned int real_irq, unsigned int pil);
79void irq_link(unsigned int irq);
80void irq_unlink(unsigned int irq);
81void handler_irq(unsigned int pil, struct pt_regs *regs);
82
83unsigned long leon_get_irqmask(unsigned int irq);
84
85#ifdef CONFIG_SMP
86
87/* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
88#define SUN4D_IPI_IRQ 13
89
90extern void sun4d_ipi_interrupt(void);
91
92#endif
1#include <linux/platform_device.h>
2
3#include <asm/cpu_type.h>
4
5struct irq_bucket {
6 struct irq_bucket *next;
7 unsigned int real_irq;
8 unsigned int irq;
9 unsigned int pil;
10};
11
12#define SUN4M_HARD_INT(x) (0x000000001 << (x))
13#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
14
15#define SUN4D_MAX_BOARD 10
16#define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5)
17
18/* Map between the irq identifier used in hw to the
19 * irq_bucket. The map is sufficient large to hold
20 * the sun4d hw identifiers.
21 */
22extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ];
23
24
25/* sun4m specific type definitions */
26
27/* This maps direct to CPU specific interrupt registers */
28struct sun4m_irq_percpu {
29 u32 pending;
30 u32 clear;
31 u32 set;
32};
33
34/* This maps direct to global interrupt registers */
35struct sun4m_irq_global {
36 u32 pending;
37 u32 mask;
38 u32 mask_clear;
39 u32 mask_set;
40 u32 interrupt_target;
41};
42
43extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS];
44extern struct sun4m_irq_global __iomem *sun4m_irq_global;
45
46/* The following definitions describe the individual platform features: */
47#define FEAT_L10_CLOCKSOURCE (1 << 0) /* L10 timer is used as a clocksource */
48#define FEAT_L10_CLOCKEVENT (1 << 1) /* L10 timer is used as a clockevent */
49#define FEAT_L14_ONESHOT (1 << 2) /* L14 timer clockevent can oneshot */
50
51/*
52 * Platform specific configuration
53 * The individual platforms assign their platform
54 * specifics in their init functions.
55 */
56struct sparc_config {
57 void (*init_timers)(void);
58 unsigned int (*build_device_irq)(struct platform_device *op,
59 unsigned int real_irq);
60
61 /* generic clockevent features - see FEAT_* above */
62 int features;
63
64 /* clock rate used for clock event timer */
65 int clock_rate;
66
67 /* one period for clock source timer */
68 unsigned int cs_period;
69
70 /* function to obtain offsett for cs period */
71 unsigned int (*get_cycles_offset)(void);
72
73 void (*clear_clock_irq)(void);
74 void (*load_profile_irq)(int cpu, unsigned int limit);
75};
76extern struct sparc_config sparc_config;
77
78unsigned int irq_alloc(unsigned int real_irq, unsigned int pil);
79void irq_link(unsigned int irq);
80void irq_unlink(unsigned int irq);
81void handler_irq(unsigned int pil, struct pt_regs *regs);
82
83unsigned long leon_get_irqmask(unsigned int irq);
84
85#ifdef CONFIG_SMP
86
87/* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
88#define SUN4D_IPI_IRQ 13
89
90extern void sun4d_ipi_interrupt(void);
91
92#endif