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-rw-r--r--arch/m68k/sun3/Makefile2
-rw-r--r--arch/m68k/sun3/config.c45
-rw-r--r--arch/m68k/sun3/dvma.c8
-rw-r--r--arch/m68k/sun3/idprom.c7
-rw-r--r--arch/m68k/sun3/intersil.c6
-rw-r--r--arch/m68k/sun3/leds.c4
-rw-r--r--arch/m68k/sun3/mmu_emu.c17
-rw-r--r--arch/m68k/sun3/prom/Makefile1
-rw-r--r--arch/m68k/sun3/prom/console.c7
-rw-r--r--arch/m68k/sun3/prom/init.c60
-rw-r--r--arch/m68k/sun3/prom/misc.c2
-rw-r--r--arch/m68k/sun3/prom/printf.c8
-rw-r--r--arch/m68k/sun3/sbus.c27
-rw-r--r--arch/m68k/sun3/sun3_ksyms.c13
-rw-r--r--arch/m68k/sun3/sun3dvma.c26
-rw-r--r--arch/m68k/sun3/sun3ints.c222
16 files changed, 84 insertions, 371 deletions
diff --git a/arch/m68k/sun3/Makefile b/arch/m68k/sun3/Makefile
index 4d4f0695d98..38ba0e0ceda 100644
--- a/arch/m68k/sun3/Makefile
+++ b/arch/m68k/sun3/Makefile
@@ -2,6 +2,6 @@
# Makefile for Linux arch/m68k/sun3 source directory
#
-obj-y := sun3_ksyms.o sun3ints.o sun3dvma.o sbus.o idprom.o
+obj-y := sun3ints.o sun3dvma.o idprom.o
obj-$(CONFIG_SUN3) += config.o mmu_emu.o leds.o dvma.o intersil.o
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 77d05bcc322..f59ec58083f 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -8,10 +8,10 @@
* for more details.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/seq_file.h>
#include <linux/tty.h>
#include <linux/console.h>
#include <linux/init.h>
@@ -22,41 +22,32 @@
#include <asm/contregs.h>
#include <asm/movs.h>
#include <asm/pgtable.h>
+#include <asm/pgalloc.h>
#include <asm/sun3-head.h>
#include <asm/sun3mmu.h>
#include <asm/rtc.h>
#include <asm/machdep.h>
+#include <asm/idprom.h>
#include <asm/intersil.h>
#include <asm/irq.h>
+#include <asm/sections.h>
#include <asm/segment.h>
#include <asm/sun3ints.h>
-extern char _text, _end;
-
char sun3_reserved_pmeg[SUN3_PMEGS_NUM];
-extern unsigned long sun3_gettimeoffset(void);
-extern int show_sun3_interrupts (struct seq_file *, void *);
-extern void sun3_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
+extern u32 sun3_gettimeoffset(void);
+static void sun3_sched_init(irq_handler_t handler);
extern void sun3_get_model (char* model);
-extern void idprom_init (void);
extern int sun3_hwclk(int set, struct rtc_time *t);
volatile char* clock_va;
-extern volatile unsigned char* sun3_intreg;
extern unsigned long availmem;
unsigned long num_pages;
-static int sun3_get_hardware_list(char *buffer)
+static void sun3_get_hardware_list(struct seq_file *m)
{
-
- int len = 0;
-
- len += sprintf(buffer + len, "PROM Revision:\t%s\n",
- romvec->pv_monid);
-
- return len;
-
+ seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
}
void __init sun3_init(void)
@@ -115,7 +106,8 @@ static void sun3_halt (void)
/* sun3 bootmem allocation */
-void __init sun3_bootmem_alloc(unsigned long memory_start, unsigned long memory_end)
+static void __init sun3_bootmem_alloc(unsigned long memory_start,
+ unsigned long memory_end)
{
unsigned long start_page;
@@ -129,6 +121,7 @@ void __init sun3_bootmem_alloc(unsigned long memory_start, unsigned long memory_
high_memory = (void *)memory_end;
availmem = memory_start;
+ m68k_setup_node(0);
availmem += init_bootmem_node(NODE_DATA(0), start_page, 0, num_pages);
availmem = (availmem + (PAGE_SIZE-1)) & PAGE_MASK;
@@ -147,24 +140,14 @@ void __init config_sun3(void)
mach_sched_init = sun3_sched_init;
mach_init_IRQ = sun3_init_IRQ;
- mach_default_handler = &sun3_default_handler;
- mach_request_irq = sun3_request_irq;
- mach_free_irq = sun3_free_irq;
- enable_irq = sun3_enable_irq;
- disable_irq = sun3_disable_irq;
- mach_process_int = sun3_process_int;
- mach_get_irq_list = show_sun3_interrupts;
mach_reset = sun3_reboot;
- mach_gettimeoffset = sun3_gettimeoffset;
+ arch_gettimeoffset = sun3_gettimeoffset;
mach_get_model = sun3_get_model;
mach_hwclk = sun3_hwclk;
mach_halt = sun3_halt;
mach_get_hardware_list = sun3_get_hardware_list;
-#if defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
-#endif
- memory_start = ((((int)&_end) + 0x2000) & ~0x1fff);
+ memory_start = ((((unsigned long)_end) + 0x2000) & ~0x1fff);
// PROM seems to want the last couple of physical pages. --m
memory_end = *(romvec->pv_sun3mem) + PAGE_OFFSET - 2*PAGE_SIZE;
@@ -174,7 +157,7 @@ void __init config_sun3(void)
sun3_bootmem_alloc(memory_start, memory_end);
}
-void __init sun3_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
+static void __init sun3_sched_init(irq_handler_t timer_routine)
{
sun3_disable_interrupts();
intersil_clock->cmd_reg=(INTERSIL_RUN|INTERSIL_INT_DISABLE|INTERSIL_24H_MODE);
diff --git a/arch/m68k/sun3/dvma.c b/arch/m68k/sun3/dvma.c
index d2b3093f240..d95506e06c2 100644
--- a/arch/m68k/sun3/dvma.c
+++ b/arch/m68k/sun3/dvma.c
@@ -7,6 +7,7 @@
*
*/
+#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
@@ -19,7 +20,7 @@
static unsigned long ptelist[120];
-inline unsigned long dvma_page(unsigned long kaddr, unsigned long vaddr)
+static unsigned long dvma_page(unsigned long kaddr, unsigned long vaddr)
{
unsigned long pte;
unsigned long j;
@@ -62,10 +63,7 @@ int dvma_map_iommu(unsigned long kaddr, unsigned long baddr,
}
-void sun3_dvma_init(void)
+void __init sun3_dvma_init(void)
{
-
memset(ptelist, 0, sizeof(ptelist));
-
-
}
diff --git a/arch/m68k/sun3/idprom.c b/arch/m68k/sun3/idprom.c
index 02c1fee6fe7..c86ac37d198 100644
--- a/arch/m68k/sun3/idprom.c
+++ b/arch/m68k/sun3/idprom.c
@@ -1,4 +1,4 @@
-/* $Id: idprom.c,v 1.22 1996/11/13 05:09:25 davem Exp $
+/*
* idprom.c: Routines to load the idprom into kernel addresses and
* interpret the data contained within.
*
@@ -6,6 +6,7 @@
* Sun3/3x models added by David Monro (davidm@psrg.cs.usyd.edu.au)
*/
+#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
@@ -16,13 +17,15 @@
#include <asm/machines.h> /* Fun with Sun released architectures. */
struct idprom *idprom;
+EXPORT_SYMBOL(idprom);
+
static struct idprom idprom_buffer;
/* Here is the master table of Sun machines which use some implementation
* of the Sparc CPU and have a meaningful IDPROM machtype value that we
* know about. See asm-sparc/machines.h for empirical constants.
*/
-struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
+static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
/* First, Sun3's */
{ .name = "Sun 3/160 Series", .id_machtype = (SM_SUN3 | SM_3_160) },
{ .name = "Sun 3/50", .id_machtype = (SM_SUN3 | SM_3_50) },
diff --git a/arch/m68k/sun3/intersil.c b/arch/m68k/sun3/intersil.c
index db359d7402a..889829e11f1 100644
--- a/arch/m68k/sun3/intersil.c
+++ b/arch/m68k/sun3/intersil.c
@@ -14,8 +14,6 @@
#include <linux/rtc.h>
#include <asm/errno.h>
-#include <asm/system.h>
-#include <asm/semaphore.h>
#include <asm/rtc.h>
#include <asm/intersil.h>
@@ -25,9 +23,9 @@
#define START_VAL (INTERSIL_RUN | INTERSIL_INT_ENABLE | INTERSIL_24H_MODE)
/* does this need to be implemented? */
-unsigned long sun3_gettimeoffset(void)
+u32 sun3_gettimeoffset(void)
{
- return 1;
+ return 1000;
}
diff --git a/arch/m68k/sun3/leds.c b/arch/m68k/sun3/leds.c
index a3e94846398..aad2e0a0682 100644
--- a/arch/m68k/sun3/leds.c
+++ b/arch/m68k/sun3/leds.c
@@ -7,7 +7,7 @@ void sun3_leds(unsigned char byte)
unsigned char dfc;
GET_DFC(dfc);
- SET_DFC(FC_CONTROL);
- SET_CONTROL_BYTE(AC_LEDS,byte);
+ SET_DFC(FC_CONTROL);
+ SET_CONTROL_BYTE(AC_LEDS, byte);
SET_DFC(dfc);
}
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
index 7a0e3a22068..3f258e230ba 100644
--- a/arch/m68k/sun3/mmu_emu.c
+++ b/arch/m68k/sun3/mmu_emu.c
@@ -6,6 +6,7 @@
** Started 1/16/98 @ 2:22 am
*/
+#include <linux/init.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/kernel.h>
@@ -17,7 +18,6 @@
#include <asm/setup.h>
#include <asm/traps.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -27,7 +27,6 @@
#include <asm/mmu_context.h>
#include <asm/dvma.h>
-extern void prom_reboot (char *) __attribute__ ((__noreturn__));
#undef DEBUG_MMU_EMU
#define DEBUG_PROM_MAPS
@@ -46,8 +45,8 @@ extern void prom_reboot (char *) __attribute__ ((__noreturn__));
** Globals
*/
-unsigned long vmalloc_end;
-EXPORT_SYMBOL(vmalloc_end);
+unsigned long m68k_vmalloc_end;
+EXPORT_SYMBOL(m68k_vmalloc_end);
unsigned long pmeg_vaddr[PMEGS_NUM];
unsigned char pmeg_alloc[PMEGS_NUM];
@@ -55,7 +54,7 @@ unsigned char pmeg_ctx[PMEGS_NUM];
/* pointers to the mm structs for each task in each
context. 0xffffffff is a marker for kernel context */
-struct mm_struct *ctx_alloc[CONTEXTS_NUM] = {
+static struct mm_struct *ctx_alloc[CONTEXTS_NUM] = {
[0] = (struct mm_struct *)0xffffffff
};
@@ -124,7 +123,7 @@ void print_pte_vaddr (unsigned long vaddr)
/*
* Initialise the MMU emulator.
*/
-void mmu_emu_init(unsigned long bootmem_end)
+void __init mmu_emu_init(unsigned long bootmem_end)
{
unsigned long seg, num;
int i,j;
@@ -173,8 +172,8 @@ void mmu_emu_init(unsigned long bootmem_end)
#endif
// the lowest mapping here is the end of our
// vmalloc region
- if(!vmalloc_end)
- vmalloc_end = seg;
+ if (!m68k_vmalloc_end)
+ m68k_vmalloc_end = seg;
// mark the segmap alloc'd, and reserve any
// of the first 0xbff pages the hardware is
@@ -239,7 +238,7 @@ void clear_context(unsigned long context)
/* gets an empty context. if full, kills the next context listed to
die first */
/* This context invalidation scheme is, well, totally arbitrary, I'm
- sure it could be much more intellegent... but it gets the job done
+ sure it could be much more intelligent... but it gets the job done
for now without much overhead in making it's decision. */
/* todo: come up with optimized scheme for flushing contexts */
unsigned long get_free_context(struct mm_struct *mm)
diff --git a/arch/m68k/sun3/prom/Makefile b/arch/m68k/sun3/prom/Makefile
index 6e48ae2a717..da7eac06bca 100644
--- a/arch/m68k/sun3/prom/Makefile
+++ b/arch/m68k/sun3/prom/Makefile
@@ -1,4 +1,3 @@
-# $Id: Makefile,v 1.5 1995/11/25 00:59:48 davem Exp $
# Makefile for the Sun Boot PROM interface library under
# Linux.
#
diff --git a/arch/m68k/sun3/prom/console.c b/arch/m68k/sun3/prom/console.c
index 52c1427863d..e92364373b0 100644
--- a/arch/m68k/sun3/prom/console.c
+++ b/arch/m68k/sun3/prom/console.c
@@ -1,4 +1,4 @@
-/* $Id: console.c,v 1.10 1996/12/18 06:46:54 tridge Exp $
+/*
* console.c: Routines that deal with sending and receiving IO
* to/from the current console device using the PROM.
*
@@ -10,7 +10,6 @@
#include <linux/sched.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
-#include <asm/system.h>
#include <linux/string.h>
/* Non blocking get character from console input device, returns -1
@@ -104,8 +103,6 @@ prom_query_input_device()
return PROMDEV_ITTYB;
}
return PROMDEV_I_UNK;
- case PROM_AP1000:
- return PROMDEV_I_UNK;
};
}
#endif
@@ -166,8 +163,6 @@ prom_query_output_device()
};
}
break;
- case PROM_AP1000:
- return PROMDEV_I_UNK;
};
return PROMDEV_O_UNK;
}
diff --git a/arch/m68k/sun3/prom/init.c b/arch/m68k/sun3/prom/init.c
index 2e6ae56aec1..eeba067d565 100644
--- a/arch/m68k/sun3/prom/init.c
+++ b/arch/m68k/sun3/prom/init.c
@@ -1,11 +1,10 @@
-/* $Id: init.c,v 1.9 1996/12/18 06:46:55 tridge Exp $
+/*
* init.c: Initialize internal variables used by the PROM
* library functions.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -23,66 +22,13 @@ int prom_root_node;
struct linux_nodeops *prom_nodeops;
/* You must call prom_init() before you attempt to use any of the
- * routines in the prom library. It returns 0 on success, 1 on
- * failure. It gets passed the pointer to the PROM vector.
+ * routines in the prom library.
+ * It gets passed the pointer to the PROM vector.
*/
-extern void prom_meminit(void);
-extern void prom_ranges_init(void);
-
void __init prom_init(struct linux_romvec *rp)
{
-#ifdef CONFIG_AP1000
- extern struct linux_romvec *ap_prom_init(void);
- rp = ap_prom_init();
-#endif
-
romvec = rp;
-#ifndef CONFIG_SUN3
- switch(romvec->pv_romvers) {
- case 0:
- prom_vers = PROM_V0;
- break;
- case 2:
- prom_vers = PROM_V2;
- break;
- case 3:
- prom_vers = PROM_V3;
- break;
- case 4:
- prom_vers = PROM_P1275;
- prom_printf("PROMLIB: Sun IEEE Prom not supported yet\n");
- prom_halt();
- break;
- case 42: /* why not :-) */
- prom_vers = PROM_AP1000;
- break;
-
- default:
- prom_printf("PROMLIB: Bad PROM version %d\n",
- romvec->pv_romvers);
- prom_halt();
- break;
- };
-
- prom_rev = romvec->pv_plugin_revision;
- prom_prev = romvec->pv_printrev;
- prom_nodeops = romvec->pv_nodeops;
-
- prom_root_node = prom_getsibling(0);
- if((prom_root_node == 0) || (prom_root_node == -1))
- prom_halt();
-
- if((((unsigned long) prom_nodeops) == 0) ||
- (((unsigned long) prom_nodeops) == -1))
- prom_halt();
-
- prom_meminit();
-
- prom_ranges_init();
-#endif
-// printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n",
-// romvec->pv_romvers, prom_rev);
/* Initialization successful. */
return;
diff --git a/arch/m68k/sun3/prom/misc.c b/arch/m68k/sun3/prom/misc.c
index b88716f2c68..3d60e1337f7 100644
--- a/arch/m68k/sun3/prom/misc.c
+++ b/arch/m68k/sun3/prom/misc.c
@@ -1,4 +1,4 @@
-/* $Id: misc.c,v 1.15 1997/05/14 20:45:00 davem Exp $
+/*
* misc.c: Miscellaneous prom functions that don't belong
* anywhere else.
*
diff --git a/arch/m68k/sun3/prom/printf.c b/arch/m68k/sun3/prom/printf.c
index e6ee1006344..df85018f487 100644
--- a/arch/m68k/sun3/prom/printf.c
+++ b/arch/m68k/sun3/prom/printf.c
@@ -1,4 +1,4 @@
-/* $Id: printf.c,v 1.5 1996/04/04 16:31:07 tridge Exp $
+/*
* printf.c: Internal prom library printf facility.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
@@ -8,7 +8,6 @@
* about or use it! It's simple and smelly anyway....
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <asm/openprom.h>
@@ -38,10 +37,6 @@ prom_printf(char *fmt, ...)
bptr = ppbuf;
-#ifdef CONFIG_AP1000
- ap_write(1,bptr,strlen(bptr));
-#else
-
#ifdef CONFIG_KGDB
if (kgdb_initialized) {
printk("kgdb_initialized = %d\n", kgdb_initialized);
@@ -55,7 +50,6 @@ prom_printf(char *fmt, ...)
prom_putchar(ch);
}
#endif
-#endif
va_end(args);
return;
}
diff --git a/arch/m68k/sun3/sbus.c b/arch/m68k/sun3/sbus.c
deleted file mode 100644
index babdbfa3cda..00000000000
--- a/arch/m68k/sun3/sbus.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * SBus helper functions
- *
- * Sun3 don't have a sbus, but many of the used devices are also
- * used on Sparc machines with sbus. To avoid having a lot of
- * duplicate code, we provide necessary glue stuff to make using
- * of the sbus driver code possible.
- *
- * (C) 1999 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
- */
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-#include <linux/init.h>
-
-int __init sbus_init(void)
-{
- return 0;
-}
-
-void *sparc_alloc_io (u32 address, void *virtual, int len, char *name,
- u32 bus_type, int rdonly)
-{
- return (void *)address;
-}
-
-subsys_initcall(sbus_init);
diff --git a/arch/m68k/sun3/sun3_ksyms.c b/arch/m68k/sun3/sun3_ksyms.c
deleted file mode 100644
index 43e5a9af8ab..00000000000
--- a/arch/m68k/sun3/sun3_ksyms.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <linux/module.h>
-#include <linux/types.h>
-#include <asm/dvma.h>
-#include <asm/idprom.h>
-
-/*
- * Add things here when you find the need for it.
- */
-EXPORT_SYMBOL(dvma_map_align);
-EXPORT_SYMBOL(dvma_unmap);
-EXPORT_SYMBOL(dvma_malloc_align);
-EXPORT_SYMBOL(dvma_free);
-EXPORT_SYMBOL(idprom);
diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c
index f04a1d25f1a..b37521a5259 100644
--- a/arch/m68k/sun3/sun3dvma.c
+++ b/arch/m68k/sun3/sun3dvma.c
@@ -1,13 +1,16 @@
/*
- * linux/arch/m68k/mm/sun3dvma.c
+ * linux/arch/m68k/sun3/sun3dvma.c
*
* Copyright (C) 2000 Sam Creasey
*
* Contains common routines for sun3/sun3x DVMA management.
*/
-#include <linux/config.h>
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/gfp.h>
#include <linux/mm.h>
#include <linux/list.h>
@@ -29,7 +32,7 @@ static inline void dvma_unmap_iommu(unsigned long a, int b)
extern void sun3_dvma_init(void);
#endif
-unsigned long iommu_use[IOMMU_TOTAL_ENTRIES];
+static unsigned long *iommu_use;
#define dvma_index(baddr) ((baddr - DVMA_START) >> DVMA_PAGE_SHIFT)
@@ -119,8 +122,7 @@ static inline int refill(void)
if(hole->end == prev->start) {
hole->size += prev->size;
hole->end = prev->end;
- list_del(&(prev->list));
- list_add(&(prev->list), &hole_cache);
+ list_move(&(prev->list), &hole_cache);
ret++;
}
@@ -182,8 +184,7 @@ static inline unsigned long get_baddr(int len, unsigned long align)
#endif
return hole->end;
} else if(hole->size == newlen) {
- list_del(&(hole->list));
- list_add(&(hole->list), &hole_cache);
+ list_move(&(hole->list), &hole_cache);
dvma_entry_use(hole->start) = newlen;
#ifdef DVMA_DEBUG
dvma_allocs++;
@@ -246,7 +247,7 @@ static inline int free_baddr(unsigned long baddr)
}
-void dvma_init(void)
+void __init dvma_init(void)
{
struct hole *hole;
@@ -266,7 +267,7 @@ void dvma_init(void)
list_add(&(hole->list), &hole_list);
- memset(iommu_use, 0, sizeof(iommu_use));
+ iommu_use = alloc_bootmem(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long));
dvma_unmap_iommu(DVMA_START, DVMA_SIZE);
@@ -276,7 +277,7 @@ void dvma_init(void)
}
-inline unsigned long dvma_map_align(unsigned long kaddr, int len, int align)
+unsigned long dvma_map_align(unsigned long kaddr, int len, int align)
{
unsigned long baddr;
@@ -315,6 +316,7 @@ inline unsigned long dvma_map_align(unsigned long kaddr, int len, int align)
BUG();
return 0;
}
+EXPORT_SYMBOL(dvma_map_align);
void dvma_unmap(void *baddr)
{
@@ -330,7 +332,7 @@ void dvma_unmap(void *baddr)
return;
}
-
+EXPORT_SYMBOL(dvma_unmap);
void *dvma_malloc_align(unsigned long len, unsigned long align)
{
@@ -370,6 +372,7 @@ void *dvma_malloc_align(unsigned long len, unsigned long align)
return (void *)vaddr;
}
+EXPORT_SYMBOL(dvma_malloc_align);
void dvma_free(void *vaddr)
{
@@ -377,3 +380,4 @@ void dvma_free(void *vaddr)
return;
}
+EXPORT_SYMBOL(dvma_free);
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index e62a033cd49..6bbca30c918 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -6,7 +6,6 @@
* for more details.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
@@ -16,10 +15,10 @@
#include <asm/intersil.h>
#include <asm/oplib.h>
#include <asm/sun3ints.h>
+#include <asm/irq_regs.h>
#include <linux/seq_file.h>
extern void sun3_leds (unsigned char);
-static irqreturn_t sun3_inthandle(int irq, void *dev_id, struct pt_regs *fp);
void sun3_disable_interrupts(void)
{
@@ -31,7 +30,7 @@ void sun3_enable_interrupts(void)
sun3_enable_irq(0);
}
-int led_pattern[8] = {
+static int led_pattern[8] = {
~(0x80), ~(0x01),
~(0x40), ~(0x02),
~(0x20), ~(0x04),
@@ -40,226 +39,61 @@ int led_pattern[8] = {
volatile unsigned char* sun3_intreg;
-void sun3_insert_irq(irq_node_t **list, irq_node_t *node)
-{
-}
-
-void sun3_delete_irq(irq_node_t **list, void *dev_id)
-{
-}
-
void sun3_enable_irq(unsigned int irq)
{
- *sun3_intreg |= (1<<irq);
+ *sun3_intreg |= (1 << irq);
}
void sun3_disable_irq(unsigned int irq)
{
- *sun3_intreg &= ~(1<<irq);
+ *sun3_intreg &= ~(1 << irq);
}
-inline void sun3_do_irq(int irq, struct pt_regs *fp)
+static irqreturn_t sun3_int7(int irq, void *dev_id)
{
- kstat_cpu(0).irqs[SYS_IRQS + irq]++;
- *sun3_intreg &= ~(1<<irq);
- *sun3_intreg |= (1<<irq);
-}
+ unsigned int cnt;
-static irqreturn_t sun3_int7(int irq, void *dev_id, struct pt_regs *fp)
-{
- sun3_do_irq(irq,fp);
- if(!(kstat_cpu(0).irqs[SYS_IRQS + irq] % 2000))
- sun3_leds(led_pattern[(kstat_cpu(0).irqs[SYS_IRQS+irq]%16000)
- /2000]);
+ cnt = kstat_irqs_cpu(irq, 0);
+ if (!(cnt % 2000))
+ sun3_leds(led_pattern[cnt % 16000 / 2000]);
return IRQ_HANDLED;
}
-static irqreturn_t sun3_int5(int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t sun3_int5(int irq, void *dev_id)
{
- kstat_cpu(0).irqs[SYS_IRQS + irq]++;
+ unsigned int cnt;
+
#ifdef CONFIG_SUN3
intersil_clear();
#endif
- *sun3_intreg &= ~(1<<irq);
- *sun3_intreg |= (1<<irq);
+ sun3_disable_irq(5);
+ sun3_enable_irq(5);
#ifdef CONFIG_SUN3
intersil_clear();
#endif
- do_timer(fp);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(fp));
-#endif
- if(!(kstat_cpu(0).irqs[SYS_IRQS + irq] % 20))
- sun3_leds(led_pattern[(kstat_cpu(0).irqs[SYS_IRQS+irq]%160)
- /20]);
- return IRQ_HANDLED;
-}
-
-/* handle requested ints, excepting 5 and 7, which always do the same
- thing */
-irqreturn_t (*sun3_default_handler[SYS_IRQS])(int, void *, struct pt_regs *) = {
- [0] = sun3_inthandle,
- [1] = sun3_inthandle,
- [2] = sun3_inthandle,
- [3] = sun3_inthandle,
- [4] = sun3_inthandle,
- [5] = sun3_int5,
- [6] = sun3_inthandle,
- [7] = sun3_int7
-};
-
-static const char *dev_names[SYS_IRQS] = {
- [5] = "timer",
- [7] = "int7 handler"
-};
-static void *dev_ids[SYS_IRQS];
-static irqreturn_t (*sun3_inthandler[SYS_IRQS])(int, void *, struct pt_regs *) = {
- [5] = sun3_int5,
- [7] = sun3_int7
-};
-static irqreturn_t (*sun3_vechandler[SUN3_INT_VECS])(int, void *, struct pt_regs *);
-static void *vec_ids[SUN3_INT_VECS];
-static const char *vec_names[SUN3_INT_VECS];
-static int vec_ints[SUN3_INT_VECS];
-
-
-int show_sun3_interrupts(struct seq_file *p, void *v)
-{
- int i;
-
- for(i = 0; i < (SUN3_INT_VECS-1); i++) {
- if(sun3_vechandler[i] != NULL) {
- seq_printf(p, "vec %3d: %10u %s\n", i+64,
- vec_ints[i],
- (vec_names[i]) ? vec_names[i] :
- "sun3_vechandler");
- }
- }
-
- return 0;
-}
-
-static irqreturn_t sun3_inthandle(int irq, void *dev_id, struct pt_regs *fp)
-{
- if(sun3_inthandler[irq] == NULL)
- panic ("bad interrupt %d received (id %p)\n",irq, dev_id);
-
- kstat_cpu(0).irqs[SYS_IRQS + irq]++;
- *sun3_intreg &= ~(1<<irq);
-
- sun3_inthandler[irq](irq, dev_ids[irq], fp);
+ xtime_update(1);
+ update_process_times(user_mode(get_irq_regs()));
+ cnt = kstat_irqs_cpu(irq, 0);
+ if (!(cnt % 20))
+ sun3_leds(led_pattern[cnt % 160 / 20]);
return IRQ_HANDLED;
}
-static irqreturn_t sun3_vec255(int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t sun3_vec255(int irq, void *dev_id)
{
-// intersil_clear();
return IRQ_HANDLED;
}
-void sun3_init_IRQ(void)
+void __init sun3_init_IRQ(void)
{
- int i;
-
*sun3_intreg = 1;
- for(i = 0; i < SYS_IRQS; i++)
- {
- if(dev_names[i])
- cpu_request_irq(i, sun3_default_handler[i], 0,
- dev_names[i], NULL);
- }
-
- for(i = 0; i < 192; i++)
- sun3_vechandler[i] = NULL;
-
- sun3_vechandler[191] = sun3_vec255;
-}
-
-int sun3_request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *),
- unsigned long flags, const char *devname, void *dev_id)
-{
-
- if(irq < SYS_IRQS) {
- if(sun3_inthandler[irq] != NULL) {
- printk("sun3_request_irq: request for irq %d -- already taken!\n", irq);
- return 1;
- }
-
- sun3_inthandler[irq] = handler;
- dev_ids[irq] = dev_id;
- dev_names[irq] = devname;
-
- /* setting devname would be nice */
- cpu_request_irq(irq, sun3_default_handler[irq], 0, devname,
- NULL);
-
- return 0;
- } else {
- if((irq >= 64) && (irq <= 255)) {
- int vec;
-
- vec = irq - 64;
- if(sun3_vechandler[vec] != NULL) {
- printk("sun3_request_irq: request for vec %d -- already taken!\n", irq);
- return 1;
- }
-
- sun3_vechandler[vec] = handler;
- vec_ids[vec] = dev_id;
- vec_names[vec] = devname;
- vec_ints[vec] = 0;
-
- return 0;
- }
- }
-
- printk("sun3_request_irq: invalid irq %d\n", irq);
- return 1;
-
-}
-
-void sun3_free_irq(unsigned int irq, void *dev_id)
-{
-
- if(irq < SYS_IRQS) {
- if(sun3_inthandler[irq] == NULL)
- panic("sun3_free_int: attempt to free unused irq %d\n", irq);
- if(dev_ids[irq] != dev_id)
- panic("sun3_free_int: incorrect dev_id for irq %d\n", irq);
-
- sun3_inthandler[irq] = NULL;
- return;
- } else if((irq >= 64) && (irq <= 255)) {
- int vec;
-
- vec = irq - 64;
- if(sun3_vechandler[vec] == NULL)
- panic("sun3_free_int: attempt to free unused vector %d\n", irq);
- if(vec_ids[irq] != dev_id)
- panic("sun3_free_int: incorrect dev_id for vec %d\n", irq);
-
- sun3_vechandler[vec] = NULL;
- return;
- } else {
- panic("sun3_free_irq: invalid irq %d\n", irq);
- }
-}
-
-irqreturn_t sun3_process_int(int irq, struct pt_regs *regs)
-{
-
- if((irq >= 64) && (irq <= 255)) {
- int vec;
-
- vec = irq - 64;
- if(sun3_vechandler[vec] == NULL)
- panic ("bad interrupt vector %d received\n",irq);
+ m68k_setup_user_interrupt(VEC_USER, 128);
- vec_ints[vec]++;
- return sun3_vechandler[vec](irq, vec_ids[vec], regs);
- } else {
- panic("sun3_process_int: unable to handle interrupt vector %d\n",
- irq);
- }
+ if (request_irq(IRQ_AUTO_5, sun3_int5, 0, "clock", NULL))
+ pr_err("Couldn't register %s interrupt\n", "int5");
+ if (request_irq(IRQ_AUTO_7, sun3_int7, 0, "nmi", NULL))
+ pr_err("Couldn't register %s interrupt\n", "int7");
+ if (request_irq(IRQ_USER+127, sun3_vec255, 0, "vec255", NULL))
+ pr_err("Couldn't register %s interrupt\n", "vec255");
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 17:07:04 +0000