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authorPaul Mundt <lethal@linux-sh.org>2008-10-01 09:13:54 +0200
committerPaul Mundt <lethal@linux-sh.org>2008-10-01 09:13:54 +0200
commitbbfbd8b151fe35c9a1180a7f5254c5d6b8387cc0 (patch)
treee39f364221492d64c7f8fd80c1ceb2065350c4d7
parentserial: sh-sci: Handle the general UPF_IOREMAP case. (diff)
downloadlinux-bbfbd8b151fe35c9a1180a7f5254c5d6b8387cc0.tar.xz
linux-bbfbd8b151fe35c9a1180a7f5254c5d6b8387cc0.zip
sh: Move the shared INTC code out to drivers/sh/
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>
-rw-r--r--arch/sh/include/asm/hw_irq.h92
-rw-r--r--arch/sh/kernel/cpu/irq/Makefile2
-rw-r--r--drivers/sh/Makefile2
-rw-r--r--drivers/sh/intc.c (renamed from arch/sh/kernel/cpu/irq/intc.c)1
-rw-r--r--include/linux/sh_intc.h91
5 files changed, 95 insertions, 93 deletions
diff --git a/arch/sh/include/asm/hw_irq.h b/arch/sh/include/asm/hw_irq.h
index d557b00111bf..603cdde813d1 100644
--- a/arch/sh/include/asm/hw_irq.h
+++ b/arch/sh/include/asm/hw_irq.h
@@ -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 */
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 462a8f6dfee2..f0c7025a67d1 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -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-$(CONFIG_CPU_HAS_IPR_IRQ) += ipr.o
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index a96f4a8cfeb8..6a025cefe6dc 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,6 +1,6 @@
#
# Makefile for the SuperH specific drivers.
#
-
obj-$(CONFIG_SUPERHYWAY) += superhyway/
obj-$(CONFIG_MAPLE) += maple/
+obj-y += intc.o
diff --git a/arch/sh/kernel/cpu/irq/intc.c b/drivers/sh/intc.c
index 138efa4e95db..58d24c5a76ce 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/drivers/sh/intc.c
@@ -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) | \
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
new file mode 100644
index 000000000000..68e212ff9dde
--- /dev/null
+++ b/include/linux/sh_intc.h
@@ -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 */