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sh: Move the shared INTC code out to drivers/sh/

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The INTC code will be re-used across different architectures, so move
this out to drivers/sh/ and include/linux/sh_intc.h respectively.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2008-10-01 16:13:54 +09:00
parent 7ff731aeba
commit bbfbd8b151
5 changed files with 95 additions and 93 deletions
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92
arch/sh/include/asm/hw_irq.h
View file

@ -2,6 +2,7 @@
#define __ASM_SH_HW_IRQ_H
#include <linux/init.h>
#include <linux/sh_intc.h>
#include <asm/atomic.h>
extern atomic_t irq_err_count;
@ -23,101 +24,12 @@ struct ipr_desc {
void register_ipr_controller(struct ipr_desc *);
typedef unsigned char intc_enum;
struct intc_vect {
intc_enum enum_id;
unsigned short vect;
};
#define INTC_VECT(enum_id, vect) { enum_id, vect }
#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
struct intc_group {
intc_enum enum_id;
intc_enum enum_ids[32];
};
#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
struct intc_mask_reg {
unsigned long set_reg, clr_reg, reg_width;
intc_enum enum_ids[32];
#ifdef CONFIG_SMP
unsigned long smp;
#endif
};
struct intc_prio_reg {
unsigned long set_reg, clr_reg, reg_width, field_width;
intc_enum enum_ids[16];
#ifdef CONFIG_SMP
unsigned long smp;
#endif
};
struct intc_sense_reg {
unsigned long reg, reg_width, field_width;
intc_enum enum_ids[16];
};
#ifdef CONFIG_SMP
#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
#else
#define INTC_SMP(stride, nr)
#endif
struct intc_desc {
struct intc_vect *vectors;
unsigned int nr_vectors;
struct intc_group *groups;
unsigned int nr_groups;
struct intc_mask_reg *mask_regs;
unsigned int nr_mask_regs;
struct intc_prio_reg *prio_regs;
unsigned int nr_prio_regs;
struct intc_sense_reg *sense_regs;
unsigned int nr_sense_regs;
char *name;
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
struct intc_mask_reg *ack_regs;
unsigned int nr_ack_regs;
#endif
};
#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
mask_regs, prio_regs, sense_regs) \
struct intc_desc symbol __initdata = { \
_INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
_INTC_ARRAY(sense_regs), \
chipname, \
}
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \
mask_regs, prio_regs, sense_regs, ack_regs) \
struct intc_desc symbol __initdata = { \
_INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
_INTC_ARRAY(sense_regs), \
chipname, \
_INTC_ARRAY(ack_regs), \
}
#endif
void __init register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
void __init plat_irq_setup(void);
#ifdef CONFIG_CPU_SH3
void __init plat_irq_setup_sh3(void);
#endif
void __init plat_irq_setup_pins(int mode);
enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
void __init plat_irq_setup_pins(int mode);
#endif /* __ASM_SH_HW_IRQ_H */

2
arch/sh/kernel/cpu/irq/Makefile
View file

@ -1,8 +1,6 @@
#
# Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
#
obj-y += intc.o
obj-$(CONFIG_SUPERH32) += imask.o
obj-$(CONFIG_CPU_SH5) += intc-sh5.o
obj-$(CONFIG_CPU_HAS_IPR_IRQ) += ipr.o

2
drivers/sh/Makefile
View file

@ -1,6 +1,6 @@
#
# Makefile for the SuperH specific drivers.
#
obj-$(CONFIG_SUPERHYWAY) += superhyway/
obj-$(CONFIG_MAPLE) += maple/
obj-y += intc.o

1
arch/sh/kernel/cpu/irq/intc.c → drivers/sh/intc.c
View file

@ -21,6 +21,7 @@
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/bootmem.h>
#include <linux/sh_intc.h>
#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \

91
include/linux/sh_intc.h Normal file
View file

@ -0,0 +1,91 @@
#ifndef __SH_INTC_H
#define __SH_INTC_H
typedef unsigned char intc_enum;
struct intc_vect {
intc_enum enum_id;
unsigned short vect;
};
#define INTC_VECT(enum_id, vect) { enum_id, vect }
#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
struct intc_group {
intc_enum enum_id;
intc_enum enum_ids[32];
};
#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
struct intc_mask_reg {
unsigned long set_reg, clr_reg, reg_width;
intc_enum enum_ids[32];
#ifdef CONFIG_SMP
unsigned long smp;
#endif
};
struct intc_prio_reg {
unsigned long set_reg, clr_reg, reg_width, field_width;
intc_enum enum_ids[16];
#ifdef CONFIG_SMP
unsigned long smp;
#endif
};
struct intc_sense_reg {
unsigned long reg, reg_width, field_width;
intc_enum enum_ids[16];
};
#ifdef CONFIG_SMP
#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
#else
#define INTC_SMP(stride, nr)
#endif
struct intc_desc {
struct intc_vect *vectors;
unsigned int nr_vectors;
struct intc_group *groups;
unsigned int nr_groups;
struct intc_mask_reg *mask_regs;
unsigned int nr_mask_regs;
struct intc_prio_reg *prio_regs;
unsigned int nr_prio_regs;
struct intc_sense_reg *sense_regs;
unsigned int nr_sense_regs;
char *name;
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
struct intc_mask_reg *ack_regs;
unsigned int nr_ack_regs;
#endif
};
#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
mask_regs, prio_regs, sense_regs) \
struct intc_desc symbol __initdata = { \
_INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
_INTC_ARRAY(sense_regs), \
chipname, \
}
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \
mask_regs, prio_regs, sense_regs, ack_regs) \
struct intc_desc symbol __initdata = { \
_INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
_INTC_ARRAY(sense_regs), \
chipname, \
_INTC_ARRAY(ack_regs), \
}
#endif
void __init register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
#endif /* __SH_INTC_H */