projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d05995b SR |
1 | #include <linux/platform_device.h> |
| 2 | ||
| 32231a66 AV |
3 | #include <asm/btfixup.h> |
| 4 | ||
| 6baa9b20 SR |
5 | struct irq_bucket { |
| 6 | struct irq_bucket *next; | |
| 7 | unsigned int real_irq; | |
| 8 | unsigned int irq; | |
| 9 | unsigned int pil; | |
| 10 | }; | |
| 11 | ||
| 12 | #define SUN4D_MAX_BOARD 10 | |
| 13 | #define SUN4D_MAX_IRQ ((SUN4D_MAX_BOARD + 2) << 5) | |
| 14 | ||
| 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. | |
| 18 | */ | |
| 19 | extern struct irq_bucket *irq_map[SUN4D_MAX_IRQ]; | |
| 20 | ||
| 21 | ||
| 0399bb5b SR |
22 | /* sun4m specific type definitions */ |
| 23 | ||
| 24 | /* This maps direct to CPU specific interrupt registers */ | |
| 25 | struct sun4m_irq_percpu { | |
| 26 | u32 pending; | |
| 27 | u32 clear; | |
| 28 | u32 set; | |
| 29 | }; | |
| 30 | ||
| 31 | /* This maps direct to global interrupt registers */ | |
| 32 | struct sun4m_irq_global { | |
| 33 | u32 pending; | |
| 34 | u32 mask; | |
| 35 | u32 mask_clear; | |
| 36 | u32 mask_set; | |
| 37 | u32 interrupt_target; | |
| 38 | }; | |
| 39 | ||
| 40 | extern struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS]; | |
| 41 | extern struct sun4m_irq_global __iomem *sun4m_irq_global; | |
| 42 | ||
| bbdc2661 SR |
43 | /* |
| 44 | * Platform specific irq configuration | |
| 45 | * The individual platforms assign their platform | |
| 46 | * specifics in their init functions. | |
| 47 | */ | |
| 48 | struct sparc_irq_config { | |
| 49 | void (*init_timers)(irq_handler_t); | |
| 1d05995b SR |
50 | unsigned int (*build_device_irq)(struct platform_device *op, |
| 51 | unsigned int real_irq); | |
| bbdc2661 SR |
52 | }; |
| 53 | extern struct sparc_irq_config sparc_irq_config; | |
| 54 | ||
| 6baa9b20 SR |
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); | |
| bbdc2661 | 59 | |
| 0f516813 AV |
60 | /* Dave Redman (djhr@tadpole.co.uk) |
| 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. | |
| 64 | * Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| 65 | * Changed these to btfixup entities... It saves cycles :) | |
| 66 | */ | |
| 67 | ||
| 32231a66 | 68 | BTFIXUPDEF_CALL(void, clear_clock_irq, void) |
| 32231a66 AV |
69 | BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) |
| 70 | ||
| 32231a66 AV |
71 | static inline void clear_clock_irq(void) |
| 72 | { | |
| 73 | BTFIXUP_CALL(clear_clock_irq)(); | |
| 74 | } | |
| 75 | ||
| 32231a66 AV |
76 | static inline void load_profile_irq(int cpu, int limit) |
| 77 | { | |
| 78 | BTFIXUP_CALL(load_profile_irq)(cpu, limit); | |
| 79 | } | |
| 80 | ||
| 32231a66 AV |
81 | #ifdef CONFIG_SMP |
| 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) | |
| 85 | ||
| 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) | |
| 55dd23ec DH |
89 | |
| 90 | /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */ | |
| 91 | #define SUN4D_IPI_IRQ 14 | |
| 92 | ||
| 93 | extern void sun4d_ipi_interrupt(void); | |
| 94 | ||
| 32231a66 | 95 | #endif |