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[SPARC32]: clean include/asm-sparc/irq.h 

Move stuff used only by arch/sparc/kernel/* into arch/sparc/kernel/irq.h
and into individual files in there (e.g. macros internal to sun4m_irq.c,
etc.)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2007-07-21 19:18:57 -07:00 committed by David S. Miller
parent 196bffa5dc
commit 32231a66b4
12 changed files with 151 additions and 136 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/kernel/irq.c
View File

@ -47,6 +47,8 @@
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
#include "irq.h"
#ifdef CONFIG_SMP
#define SMP_NOP2 "nop; nop;\n\t"
#define SMP_NOP3 "nop; nop; nop;\n\t"

48
arch/sparc/kernel/irq.h Normal file
View File

@ -0,0 +1,48 @@
#include <asm/btfixup.h>
BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, clear_clock_irq, void)
BTFIXUPDEF_CALL(void, clear_profile_irq, int)
BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
static inline void disable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_pil_irq)(irq);
}
static inline void enable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_pil_irq)(irq);
}
static inline void clear_clock_irq(void)
{
BTFIXUP_CALL(clear_clock_irq)();
}
static inline void clear_profile_irq(int irq)
{
BTFIXUP_CALL(clear_profile_irq)(irq);
}
static inline void load_profile_irq(int cpu, int limit)
{
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
extern void claim_ticker14(irq_handler_t irq_handler,
int irq,
unsigned int timeout);
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
BTFIXUPDEF_CALL(void, set_irq_udt, int)
#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
#endif

1
arch/sparc/kernel/pcic.c
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@ -36,6 +36,7 @@
#include <asm/uaccess.h>
#include <asm/irq_regs.h>
#include "irq.h"
/*
* I studied different documents and many live PROMs both from 2.30

2
arch/sparc/kernel/smp.c
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@ -33,6 +33,8 @@
#include <asm/tlbflush.h>
#include <asm/cpudata.h>
#include "irq.h"
int smp_num_cpus = 1;
volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
unsigned char boot_cpu_id = 0;

15
arch/sparc/kernel/sun4c_irq.c
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@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/init.h>
#include "irq.h"
#include <asm/ptrace.h>
#include <asm/processor.h>
@ -40,6 +41,20 @@ static struct resource sun4c_timer_eb = { "sun4c_timer" };
static struct resource sun4c_intr_eb = { "sun4c_intr" };
#endif
/*
* Bit field defines for the interrupt registers on various
* Sparc machines.
*/
/* The sun4c interrupt register. */
#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */
#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */
#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */
#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */
#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */
#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */
#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */
/* Pointer to the interrupt enable byte
*
* Dave Redman (djhr@tadpole.co.uk)

2
arch/sparc/kernel/sun4d_irq.c
View File

@ -39,6 +39,8 @@
#include <asm/cacheflush.h>
#include <asm/irq_regs.h>
#include "irq.h"
/* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */
/* #define DISTRIBUTE_IRQS */

1
arch/sparc/kernel/sun4d_smp.c
View File

@ -36,6 +36,7 @@
#include <asm/cacheflush.h>
#include <asm/cpudata.h>
#include "irq.h"
#define IRQ_CROSS_CALL 15
extern ctxd_t *srmmu_ctx_table_phys;

74
arch/sparc/kernel/sun4m_irq.c
View File

@ -38,11 +38,85 @@
#include <asm/sbus.h>
#include <asm/cacheflush.h>
#include "irq.h"
/* On the sun4m, just like the timers, we have both per-cpu and master
* interrupt registers.
*/
/* These registers are used for sending/receiving irqs from/to
* different cpu's.
*/
struct sun4m_intreg_percpu {
unsigned int tbt; /* Interrupts still pending for this cpu. */
/* These next two registers are WRITE-ONLY and are only
* "on bit" sensitive, "off bits" written have NO affect.
*/
unsigned int clear; /* Clear this cpus irqs here. */
unsigned int set; /* Set this cpus irqs here. */
unsigned char space[PAGE_SIZE - 12];
};
/*
* djhr
* Actually the clear and set fields in this struct are misleading..
* according to the SLAVIO manual (and the same applies for the SEC)
* the clear field clears bits in the mask which will ENABLE that IRQ
* the set field sets bits in the mask to DISABLE the IRQ.
*
* Also the undirected_xx address in the SLAVIO is defined as
* RESERVED and write only..
*
* DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor
* sun4m machines, for MP the layout makes more sense.
*/
struct sun4m_intregs {
struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS];
unsigned int tbt; /* IRQ's that are still pending. */
unsigned int irqs; /* Master IRQ bits. */
/* Again, like the above, two these registers are WRITE-ONLY. */
unsigned int clear; /* Clear master IRQ's by setting bits here. */
unsigned int set; /* Set master IRQ's by setting bits here. */
/* This register is both READ and WRITE. */
unsigned int undirected_target; /* Which cpu gets undirected irqs. */
};
static unsigned long dummy;
struct sun4m_intregs *sun4m_interrupts;
unsigned long *irq_rcvreg = &dummy;
/* Dave Redman (djhr@tadpole.co.uk)
* The sun4m interrupt registers.
*/
#define SUN4M_INT_ENABLE 0x80000000
#define SUN4M_INT_E14 0x00000080
#define SUN4M_INT_E10 0x00080000
#define SUN4M_HARD_INT(x) (0x000000001 << (x))
#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */
#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */
#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
#define SUN4M_INT_SBUS(x) (1 << (x+7))
#define SUN4M_INT_VME(x) (1 << (x))
/* These tables only apply for interrupts greater than 15..
*
* any intr value below 0x10 is considered to be a soft-int

2
arch/sparc/kernel/sun4m_smp.c
View File

@ -31,6 +31,8 @@
#include <asm/oplib.h>
#include <asm/cpudata.h>
#include "irq.h"
#define IRQ_RESCHEDULE 13
#define IRQ_STOP_CPU 14
#define IRQ_CROSS_CALL 15

2
arch/sparc/kernel/tick14.c
View File

@ -25,6 +25,8 @@
#include <asm/irq.h>
#include <asm/io.h>
#include "irq.h"
extern unsigned long lvl14_save[5];
static unsigned long *linux_lvl14 = NULL;
static unsigned long obp_lvl14[4];

2
arch/sparc/kernel/time.c
View File

@ -44,6 +44,8 @@
#include <asm/of_device.h>
#include <asm/irq_regs.h>
#include "irq.h"
DEFINE_SPINLOCK(rtc_lock);
enum sparc_clock_type sp_clock_typ;
DEFINE_SPINLOCK(mostek_lock);

136
include/asm-sparc/irq.h
View File

@ -14,9 +14,6 @@
#include <asm/system.h> /* For SUN4M_NCPUS */
#include <asm/btfixup.h>
#define __irq_ino(irq) irq
#define __irq_pil(irq) irq
#define NR_IRQS 16
#define irq_canonicalize(irq) (irq)
@ -30,11 +27,6 @@
*/
BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int)
BTFIXUPDEF_CALL(void, clear_clock_irq, void)
BTFIXUPDEF_CALL(void, clear_profile_irq, int)
BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int)
static inline void disable_irq_nosync(unsigned int irq)
{
@ -51,134 +43,6 @@ static inline void enable_irq(unsigned int irq)
BTFIXUP_CALL(enable_irq)(irq);
}
static inline void disable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_pil_irq)(irq);
}
static inline void enable_pil_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_pil_irq)(irq);
}
static inline void clear_clock_irq(void)
{
BTFIXUP_CALL(clear_clock_irq)();
}
static inline void clear_profile_irq(int irq)
{
BTFIXUP_CALL(clear_profile_irq)(irq);
}
static inline void load_profile_irq(int cpu, int limit)
{
BTFIXUP_CALL(load_profile_irq)(cpu, limit);
}
extern void (*sparc_init_timers)(irq_handler_t lvl10_irq);
extern void claim_ticker14(irq_handler_t irq_handler,
int irq,
unsigned int timeout);
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, set_cpu_int, int, int)
BTFIXUPDEF_CALL(void, clear_cpu_int, int, int)
BTFIXUPDEF_CALL(void, set_irq_udt, int)
#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level)
#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level)
#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu)
#endif
extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);
/* On the sun4m, just like the timers, we have both per-cpu and master
* interrupt registers.
*/
/* These registers are used for sending/receiving irqs from/to
* different cpu's.
*/
struct sun4m_intreg_percpu {
unsigned int tbt; /* Interrupts still pending for this cpu. */
/* These next two registers are WRITE-ONLY and are only
* "on bit" sensitive, "off bits" written have NO affect.
*/
unsigned int clear; /* Clear this cpus irqs here. */
unsigned int set; /* Set this cpus irqs here. */
unsigned char space[PAGE_SIZE - 12];
};
/*
* djhr
* Actually the clear and set fields in this struct are misleading..
* according to the SLAVIO manual (and the same applies for the SEC)
* the clear field clears bits in the mask which will ENABLE that IRQ
* the set field sets bits in the mask to DISABLE the IRQ.
*
* Also the undirected_xx address in the SLAVIO is defined as
* RESERVED and write only..
*
* DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor
* sun4m machines, for MP the layout makes more sense.
*/
struct sun4m_intregs {
struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS];
unsigned int tbt; /* IRQ's that are still pending. */
unsigned int irqs; /* Master IRQ bits. */
/* Again, like the above, two these registers are WRITE-ONLY. */
unsigned int clear; /* Clear master IRQ's by setting bits here. */
unsigned int set; /* Set master IRQ's by setting bits here. */
/* This register is both READ and WRITE. */
unsigned int undirected_target; /* Which cpu gets undirected irqs. */
};
extern struct sun4m_intregs *sun4m_interrupts;
/*
* Bit field defines for the interrupt registers on various
* Sparc machines.
*/
/* The sun4c interrupt register. */
#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */
#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */
#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */
#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */
#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */
#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */
#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */
/* Dave Redman (djhr@tadpole.co.uk)
* The sun4m interrupt registers.
*/
#define SUN4M_INT_ENABLE 0x80000000
#define SUN4M_INT_E14 0x00000080
#define SUN4M_INT_E10 0x00080000
#define SUN4M_HARD_INT(x) (0x000000001 << (x))
#define SUN4M_SOFT_INT(x) (0x000010000 << (x))
#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */
#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */
#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */
#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */
#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */
#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */
#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */
#define SUN4M_INT_REALTIME 0x00080000 /* system timer */
#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */
#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */
#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */
#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */
#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */
#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */
#define SUN4M_INT_SBUS(x) (1 << (x+7))
#define SUN4M_INT_VME(x) (1 << (x))
#endif