Commit | Line | Data |
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1d05995b SR |
1 | #include <linux/platform_device.h> |
2 | ||
32231a66 | 3 | #include <asm/btfixup.h> |
d550bbd4 | 4 | #include <asm/cpu_type.h> |
32231a66 | 5 | |
6baa9b20 SR |
6 | struct irq_bucket { |
7 | struct irq_bucket *next; | |
8 | unsigned int real_irq; | |
9 | unsigned int irq; | |
10 | unsigned int pil; | |
11 | }; | |
12 | ||
13 | #define SUN4D_MAX_BOARD 10 | |
14 | #define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5) | |
15 | ||
16 | /* Map between the irq identifier used in hw to the | |
17 | * irq_bucket. The map is sufficient large to hold | |
18 | * the sun4d hw identifiers. | |
19 | */ | |
20 | extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ]; | |
21 | ||
22 | ||
0399bb5b SR |
23 | /* sun4m specific type definitions */ |
24 | ||
25 | /* This maps direct to CPU specific interrupt registers */ | |
26 | struct sun4m_irq_percpu { | |
27 | u32 pending; | |
28 | u32 clear; | |
29 | u32 set; | |
30 | }; | |
31 | ||
32 | /* This maps direct to global interrupt registers */ | |
33 | struct sun4m_irq_global { | |
34 | u32 pending; | |
35 | u32 mask; | |
36 | u32 mask_clear; | |
37 | u32 mask_set; | |
38 | u32 interrupt_target; | |
39 | }; | |
40 | ||
41 | extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS]; | |
42 | extern struct sun4m_irq_global __iomem *sun4m_irq_global; | |
43 | ||
bbdc2661 | 44 | /* |
472bc4f2 | 45 | * Platform specific configuration |
bbdc2661 SR |
46 | * The individual platforms assign their platform |
47 | * specifics in their init functions. | |
48 | */ | |
472bc4f2 | 49 | struct sparc_config { |
bbdc2661 | 50 | void (*init_timers)(irq_handler_t); |
1d05995b SR |
51 | unsigned int (*build_device_irq)(struct platform_device *op, |
52 | unsigned int real_irq); | |
bbdc2661 | 53 | }; |
472bc4f2 | 54 | extern struct sparc_config sparc_config; |
bbdc2661 | 55 | |
6baa9b20 SR |
56 | unsigned int irq_alloc(unsigned int real_irq, unsigned int pil); |
57 | void irq_link(unsigned int irq); | |
58 | void irq_unlink(unsigned int irq); | |
59 | void handler_irq(unsigned int pil, struct pt_regs *regs); | |
bbdc2661 | 60 | |
0f516813 AV |
61 | /* Dave Redman (djhr@tadpole.co.uk) |
62 | * changed these to function pointers.. it saves cycles and will allow | |
63 | * the irq dependencies to be split into different files at a later date | |
64 | * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size. | |
65 | * Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
66 | * Changed these to btfixup entities... It saves cycles :) | |
67 | */ | |
68 | ||
32231a66 | 69 | BTFIXUPDEF_CALL(void, clear_clock_irq, void) |
32231a66 AV |
70 | BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) |
71 | ||
32231a66 AV |
72 | static inline void clear_clock_irq(void) |
73 | { | |
74 | BTFIXUP_CALL(clear_clock_irq)(); | |
75 | } | |
76 | ||
32231a66 AV |
77 | static inline void load_profile_irq(int cpu, int limit) |
78 | { | |
79 | BTFIXUP_CALL(load_profile_irq)(cpu, limit); | |
80 | } | |
81 | ||
32231a66 AV |
82 | #ifdef CONFIG_SMP |
83 | BTFIXUPDEF_CALL(void, set_cpu_int, int, int) | |
84 | BTFIXUPDEF_CALL(void, clear_cpu_int, int, int) | |
85 | BTFIXUPDEF_CALL(void, set_irq_udt, int) | |
86 | ||
87 | #define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level) | |
88 | #define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level) | |
89 | #define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu) | |
55dd23ec DH |
90 | |
91 | /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */ | |
38f7f8f0 | 92 | #define SUN4D_IPI_IRQ 13 |
55dd23ec DH |
93 | |
94 | extern void sun4d_ipi_interrupt(void); | |
95 | ||
32231a66 | 96 | #endif |