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sparc: remove CONFIG_SUN4

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While doing some easy cleanups on the sparc code I noticed that the
CONFIG_SUN4 code seems to be worse than the rest - there were some
"I don't know how it should work, but the current code definitely cannot
work." places.

And while I have seen people running Linux on machines like a
SPARCstation 5 a few years ago I don't recall having seen sun4
machines, even less ones running Linux.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Adrian Bunk
2008-08-31 20:59:37 -07:00
committed by David S. Miller
parent b69416b51b
commit 5110bd21b8
39 changed files with 80 additions and 1066 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/sparc/Kconfig
-15
View File
@@ -210,17 +210,6 @@ config SUN_PM
Enable power management and CPU standby features on supported
SPARC platforms.
config SUN4
bool "Support for SUN4 machines (disables SUN4[CDM] support)"
depends on !SMP
default n
help
Say Y here if, and only if, your machine is a sun4. Note that
a kernel compiled with this option will run only on sun4.
(And the current version will probably work only on sun4/330.)
if !SUN4
config PCI
bool "Support for PCI and PS/2 keyboard/mouse"
help
@@ -233,8 +222,6 @@ config PCI_SYSCALL
source "drivers/pci/Kconfig"
endif
config SUN_OPENPROMFS
tristate "Openprom tree appears in /proc/openprom"
help
@@ -266,9 +253,7 @@ source "net/Kconfig"
source "drivers/Kconfig"
if !SUN4
source "drivers/sbus/char/Kconfig"
endif
# This one must be before the filesystem configs. -DaveM
arch/sparc/include/asm/asmmacro.h
-5
View File
@@ -34,12 +34,7 @@
/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+
likes byte accesses. These are to avoid ifdef mania. */
#ifdef CONFIG_SUN4
#define lduXa lduha
#define stXa stha
#else
#define lduXa lduba
#define stXa stba
#endif
#endif /* !(_SPARC_ASMMACRO_H) */
arch/sparc/include/asm/elf_32.h
+2 -5
View File
@@ -105,11 +105,8 @@ typedef struct {
#define ELF_DATA ELFDATA2MSB
#define USE_ELF_CORE_DUMP
#ifndef CONFIG_SUN4
#define ELF_EXEC_PAGESIZE 4096
#else
#define ELF_EXEC_PAGESIZE 8192
#endif
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
@@ -126,7 +123,7 @@ typedef struct {
/* Sun4c has none of the capabilities, most sun4m's have them all.
* XXX This is gross, set some global variable at boot time. -DaveM
*/
#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
#define ELF_HWCAP ((ARCH_SUN4C) ? 0 : \
(HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
HWCAP_SPARC_SWAP | \
((srmmu_modtype != Cypress && \
arch/sparc/include/asm/mostek.h
+1 -39
View File
@@ -128,44 +128,6 @@ struct mostek48t08 {
struct mostek48t02 regs; /* Here is what we are interested in. */
};
#ifdef CONFIG_SUN4
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
INTERSIL, MSTK_INVALID };
#else
enum sparc_clock_type { MSTK48T02, MSTK48T08, \
MSTK_INVALID };
#endif
#ifdef CONFIG_SUN4
/* intersil on a sun 4/260 code data from harris doc */
struct intersil_dt {
volatile unsigned char int_csec;
volatile unsigned char int_hour;
volatile unsigned char int_min;
volatile unsigned char int_sec;
volatile unsigned char int_month;
volatile unsigned char int_day;
volatile unsigned char int_year;
volatile unsigned char int_dow;
};
struct intersil {
struct intersil_dt clk;
struct intersil_dt cmp;
volatile unsigned char int_intr_reg;
volatile unsigned char int_cmd_reg;
};
#define INTERSIL_STOP 0x0
#define INTERSIL_START 0x8
#define INTERSIL_INTR_DISABLE 0x0
#define INTERSIL_INTR_ENABLE 0x10
#define INTERSIL_32K 0x0
#define INTERSIL_NORMAL 0x0
#define INTERSIL_24H 0x4
#define INTERSIL_INT_100HZ 0x2
/* end of intersil info */
#endif
enum sparc_clock_type { MSTK48T02, MSTK48T08, MSTK_INVALID };
#endif /* !(_SPARC_MOSTEK_H) */
arch/sparc/include/asm/oplib_32.h
-1
View File
@@ -21,7 +21,6 @@ enum prom_major_version {
PROM_V2, /* sun4c and early sun4m V2 prom */
PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */
PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */
PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */
};
extern enum prom_major_version prom_vers;
arch/sparc/include/asm/page_32.h
+1 -4
View File
@@ -8,11 +8,8 @@
#ifndef _SPARC_PAGE_H
#define _SPARC_PAGE_H
#ifdef CONFIG_SUN4
#define PAGE_SHIFT 13
#else
#define PAGE_SHIFT 12
#endif
#ifndef __ASSEMBLY__
/* I have my suspicions... -DaveM */
#define PAGE_SIZE (1UL << PAGE_SHIFT)
arch/sparc/include/asm/pgtable_32.h
-4
View File
@@ -14,11 +14,7 @@
#include <linux/spinlock.h>
#include <linux/swap.h>
#include <asm/types.h>
#ifdef CONFIG_SUN4
#include <asm/pgtsun4.h>
#else
#include <asm/pgtsun4c.h>
#endif
#include <asm/pgtsrmmu.h>
#include <asm/vac-ops.h>
#include <asm/oplib.h>
arch/sparc/include/asm/sun4paddr.h
-56
View File
@@ -1,56 +0,0 @@
/*
* sun4paddr.h: Various physical addresses on sun4 machines
*
* Copyright (C) 1997 Anton Blanchard (anton@progsoc.uts.edu.au)
* Copyright (C) 1998 Chris Davis (cdavis@cois.on.ca)
*
* Now supports more sun4's
*/
#ifndef _SPARC_SUN4PADDR_H
#define _SPARC_SUN4PADDR_H
#define SUN4_IE_PHYSADDR 0xf5000000
#define SUN4_UNUSED_PHYSADDR 0
/* these work for me */
#define SUN4_200_MEMREG_PHYSADDR 0xf4000000
#define SUN4_200_CLOCK_PHYSADDR 0xf3000000
#define SUN4_200_BWTWO_PHYSADDR 0xfd000000
#define SUN4_200_ETH_PHYSADDR 0xf6000000
#define SUN4_200_SI_PHYSADDR 0xff200000
/* these were here before */
#define SUN4_300_MEMREG_PHYSADDR 0xf4000000
#define SUN4_300_CLOCK_PHYSADDR 0xf2000000
#define SUN4_300_TIMER_PHYSADDR 0xef000000
#define SUN4_300_ETH_PHYSADDR 0xf9000000
#define SUN4_300_BWTWO_PHYSADDR 0xfb400000
#define SUN4_300_DMA_PHYSADDR 0xfa001000
#define SUN4_300_ESP_PHYSADDR 0xfa000000
/* Are these right? */
#define SUN4_400_MEMREG_PHYSADDR 0xf4000000
#define SUN4_400_CLOCK_PHYSADDR 0xf2000000
#define SUN4_400_TIMER_PHYSADDR 0xef000000
#define SUN4_400_ETH_PHYSADDR 0xf9000000
#define SUN4_400_BWTWO_PHYSADDR 0xfb400000
#define SUN4_400_DMA_PHYSADDR 0xfa001000
#define SUN4_400_ESP_PHYSADDR 0xfa000000
/*
these are the actual values set and used in the code. Unused items set
to SUN_UNUSED_PHYSADDR
*/
extern int sun4_memreg_physaddr; /* memory register (ecc?) */
extern int sun4_clock_physaddr; /* system clock */
extern int sun4_timer_physaddr; /* timer, where applicable */
extern int sun4_eth_physaddr; /* onboard ethernet (ie/le) */
extern int sun4_si_physaddr; /* sun3 scsi adapter */
extern int sun4_bwtwo_physaddr; /* onboard bw2 */
extern int sun4_dma_physaddr; /* scsi dma */
extern int sun4_esp_physaddr; /* esp scsi */
extern int sun4_ie_physaddr; /* interrupt enable */
#endif /* !(_SPARC_SUN4PADDR_H) */
arch/sparc/include/asm/sun4prom.h
-83
View File
@@ -1,83 +0,0 @@
/*
* sun4prom.h -- interface to sun4 PROM monitor. We don't use most of this,
* so most of these are just placeholders.
*/
#ifndef _SUN4PROM_H_
#define _SUN4PROM_H_
/*
* Although this looks similar to an romvec for a OpenProm machine, it is
* actually closer to what was used in the Sun2 and Sun3.
*
* V2 entries exist only in version 2 PROMs and later, V3 in version 3 and later.
*
* Many of the function prototypes are guesses. Some are certainly wrong.
* Use with care.
*/
typedef struct {
char *initSP; /* Initial system stack ptr */
void (*startmon)(void); /* Initial PC for hardware */
int *diagberr; /* Bus err handler for diags */
struct linux_arguments_v0 **bootParam; /* Info for bootstrapped pgm */
unsigned int *memorysize; /* Usable memory in bytes */
unsigned char (*getchar)(void); /* Get char from input device */
void (*putchar)(char); /* Put char to output device */
int (*mayget)(void); /* Maybe get char, or -1 */
int (*mayput)(int); /* Maybe put char, or -1 */
unsigned char *echo; /* Should getchar echo? */
unsigned char *insource; /* Input source selector */
unsigned char *outsink; /* Output sink selector */
int (*getkey)(void); /* Get next key if one exists */
void (*initgetkey)(void); /* Initialize get key */
unsigned int *translation; /* Kbd translation selector */
unsigned char *keybid; /* Keyboard ID byte */
int *screen_x; /* V2: Screen x pos (r/o) */
int *screen_y; /* V2: Screen y pos (r/o) */
struct keybuf *keybuf; /* Up/down keycode buffer */
char *monid; /* Monitor version ID */
void (*fbwritechar)(char); /* Write a character to FB */
int *fbAddr; /* Address of frame buffer */
char **font; /* Font table for FB */
void (*fbwritestr)(char *); /* Write string to FB */
void (*reboot)(char *); /* e.g. reboot("sd()vmlinux") */
unsigned char *linebuf; /* The line input buffer */
unsigned char **lineptr; /* Cur pointer into linebuf */
int *linesize; /* length of line in linebuf */
void (*getline)(char *); /* Get line from user */
unsigned char (*getnextchar)(void); /* Get next char from linebuf */
unsigned char (*peeknextchar)(void); /* Peek at next char */
int *fbthere; /* =1 if frame buffer there */
int (*getnum)(void); /* Grab hex num from line */
int (*printf)(char *, ...); /* See prom_printf() instead */
void (*printhex)(int); /* Format N digits in hex */
unsigned char *leds; /* RAM copy of LED register */
void (*setLEDs)(unsigned char *); /* Sets LED's and RAM copy */
void (*NMIaddr)(void *); /* Addr for level 7 vector */
void (*abortentry)(void); /* Entry for keyboard abort */
int *nmiclock; /* Counts up in msec */
int *FBtype; /* Frame buffer type */
unsigned int romvecversion; /* Version number for this romvec */
struct globram *globram; /* monitor global variables ??? */
void * kbdaddr; /* Addr of keyboard in use */
int *keyrinit; /* ms before kbd repeat */
unsigned char *keyrtick; /* ms between repetitions */
unsigned int *memoryavail; /* V1: Main mem usable size */
long *resetaddr; /* where to jump on a reset */
long *resetmap; /* pgmap entry for resetaddr */
void (*exittomon)(void); /* Exit from user program */
unsigned char **memorybitmap; /* V1: &{0 or &bits} */
void (*setcxsegmap)(int ctxt, char *va, int pmeg); /* Set seg in any context */
void (**vector_cmd)(void *); /* V2: Handler for 'v' cmd */
unsigned long *expectedtrapsig; /* V3: Location of the expected trap signal */
unsigned long *trapvectorbasetable; /* V3: Address of the trap vector table */
int unused1;
int unused2;
int unused3;
int unused4;
} linux_sun4_romvec;
extern linux_sun4_romvec *sun4_romvec;
#endif /* _SUN4PROM_H_ */
arch/sparc/include/asm/system_32.h
+1 -7
View File
@@ -34,13 +34,7 @@ enum sparc_cpu {
extern enum sparc_cpu sparc_cpu_model;
#ifndef CONFIG_SUN4
#define ARCH_SUN4C_SUN4 (sparc_cpu_model==sun4c)
#define ARCH_SUN4 0
#else
#define ARCH_SUN4C_SUN4 1
#define ARCH_SUN4 1
#endif
#define ARCH_SUN4C (sparc_cpu_model==sun4c)
#define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */
arch/sparc/include/asm/system_64.h
+2 -3
View File
@@ -26,9 +26,8 @@ enum sparc_cpu {
#define sparc_cpu_model sun4u
/* This cannot ever be a sun4c nor sun4 :) That's just history. */
#define ARCH_SUN4C_SUN4 0
#define ARCH_SUN4 0
/* This cannot ever be a sun4c :) That's just history. */
#define ARCH_SUN4C 0
extern char reboot_command[];
arch/sparc/include/asm/thread_info_32.h
-4
View File
@@ -80,11 +80,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
/*
* thread information allocation
*/
#if PAGE_SHIFT == 13
#define THREAD_INFO_ORDER 0
#else /* PAGE_SHIFT */
#define THREAD_INFO_ORDER 1
#endif
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
arch/sparc/include/asm/timer_32.h
+1 -7
View File
@@ -9,7 +9,6 @@
#define _SPARC_TIMER_H
#include <asm/system.h> /* For SUN4M_NCPUS */
#include <asm/sun4paddr.h>
#include <asm/btfixup.h>
/* Timer structures. The interrupt timer has two properties which
@@ -34,12 +33,7 @@ struct sun4c_timer_info {
__volatile__ unsigned int timer_limit14;
};
#define SUN4C_TIMER_PHYSADDR 0xf3000000
#ifdef CONFIG_SUN4
#define SUN_TIMER_PHYSADDR SUN4_300_TIMER_PHYSADDR
#else
#define SUN_TIMER_PHYSADDR SUN4C_TIMER_PHYSADDR
#endif
#define SUN_TIMER_PHYSADDR 0xf3000000
/* A sun4m has two blocks of registers which are probably of the same
* structure. LSI Logic's L64851 is told to _decrement_ from the limit
arch/sparc/include/asm/vac-ops.h
-7
View File
@@ -76,11 +76,7 @@
* cacheable bit in the pte's of all such pages.
*/
#ifdef CONFIG_SUN4
#define S4CVAC_BADBITS 0x0001e000
#else
#define S4CVAC_BADBITS 0x0000f000
#endif
/* The following is true if vaddr1 and vaddr2 would cause
* a 'bad alias'.
@@ -94,10 +90,7 @@
*/
struct sun4c_vac_props {
unsigned int num_bytes; /* Size of the cache */
unsigned int num_lines; /* Number of cache lines */
unsigned int do_hwflushes; /* Hardware flushing available? */
enum { VAC_NONE, VAC_WRITE_THROUGH,
VAC_WRITE_BACK } type; /* What type of VAC? */
unsigned int linesize; /* Size of each line in bytes */
unsigned int log2lsize; /* log2(linesize) */
unsigned int on; /* VAC is enabled */
arch/sparc/kernel/Makefile
-1
View File
@@ -18,7 +18,6 @@ obj-y := entry.o wof.o wuf.o etrap.o rtrap.o traps.o $(IRQ_OBJS) \
devres-y = ../../../kernel/irq/devres.o
obj-$(CONFIG_PCI) += pcic.o
obj-$(CONFIG_SUN4) += sun4setup.o
obj-$(CONFIG_SMP) += trampoline.o smp.o sun4m_smp.o sun4d_smp.o
obj-$(CONFIG_SUN_AUXIO) += auxio.o
obj-$(CONFIG_SUN_PM) += apc.o pmc.o
arch/sparc/kernel/devices.c
+1 -1
View File
@@ -143,7 +143,7 @@ void __init device_scan(void)
#endif
clock_stop_probe();
if (ARCH_SUN4C_SUN4)
if (ARCH_SUN4C)
sun4c_probe_memerr_reg();
return;
arch/sparc/kernel/entry.S
-54
View File
@@ -20,11 +20,7 @@
#include <asm/memreg.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#ifdef CONFIG_SUN4
#include <asm/pgtsun4.h>
#else
#include <asm/pgtsun4c.h>
#endif
#include <asm/winmacro.h>
#include <asm/signal.h>
#include <asm/obio.h>
@@ -775,11 +771,7 @@ vac_linesize_patch_32: subcc %l7, 32, %l7
* Ugly, but we cant use hardware flushing on the sun4 and we'd require
* two instructions (Anton)
*/
#ifdef CONFIG_SUN4
vac_hwflush_patch1_on: nop
#else
vac_hwflush_patch1_on: addcc %l7, -PAGE_SIZE, %l7
#endif
vac_hwflush_patch2_on: sta %g0, [%l3 + %l7] ASI_HWFLUSHSEG
@@ -798,42 +790,10 @@ vac_hwflush_patch2_on: sta %g0, [%l3 + %l7] ASI_HWFLUSHSEG
! %l7 = 1 for textfault
! We want error in %l5, vaddr in %l6
sun4c_fault:
#ifdef CONFIG_SUN4
sethi %hi(sun4c_memerr_reg), %l4
ld [%l4+%lo(sun4c_memerr_reg)], %l4 ! memerr ctrl reg addr
ld [%l4], %l6 ! memerr ctrl reg
ld [%l4 + 4], %l5 ! memerr vaddr reg
andcc %l6, 0x80, %g0 ! check for error type
st %g0, [%l4 + 4] ! clear the error
be 0f ! normal error
sethi %hi(AC_BUS_ERROR), %l4 ! bus err reg addr
call prom_halt ! something weird happened
! what exactly did happen?
! what should we do here?
0: or %l4, %lo(AC_BUS_ERROR), %l4 ! bus err reg addr
lduba [%l4] ASI_CONTROL, %l6 ! bus err reg
cmp %l7, 1 ! text fault?
be 1f ! yes
nop
ld [%l1], %l4 ! load instruction that caused fault
srl %l4, 21, %l4
andcc %l4, 1, %g0 ! store instruction?
be 1f ! no
sethi %hi(SUN4C_SYNC_BADWRITE), %l4 ! yep
! %lo(SUN4C_SYNC_BADWRITE) = 0
or %l4, %l6, %l6 ! set write bit to emulate sun4c
1:
#else
sethi %hi(AC_SYNC_ERR), %l4
add %l4, 0x4, %l6 ! AC_SYNC_VA in %l6
lda [%l6] ASI_CONTROL, %l5 ! Address
lda [%l4] ASI_CONTROL, %l6 ! Error, retained for a bit
#endif
andn %l5, 0xfff, %l5 ! Encode all info into l7
srl %l6, 14, %l4
@@ -880,12 +840,7 @@ sun4c_fault:
or %l4, %lo(swapper_pg_dir), %l4
sll %l6, 2, %l6
ld [%l4 + %l6], %l4
#ifdef CONFIG_SUN4
sethi %hi(PAGE_MASK), %l6
andcc %l4, %l6, %g0
#else
andcc %l4, PAGE_MASK, %g0
#endif
be sun4c_fault_fromuser
lduXa [%l5] ASI_SEGMAP, %l4
@@ -937,11 +892,7 @@ invalid_segment_patch1:
ld [%l6 + 0x08], %l3 ! tmp = entry->vaddr
! Flush segment from the cache.
#ifdef CONFIG_SUN4
sethi %hi((128 * 1024)), %l7
#else
sethi %hi((64 * 1024)), %l7
#endif
9:
vac_hwflush_patch1:
vac_linesize_patch:
@@ -1029,12 +980,7 @@ invalid_segment_patch2:
or %l4, %lo(swapper_pg_dir), %l4
sll %l3, 2, %l3
ld [%l4 + %l3], %l4
#ifndef CONFIG_SUN4
and %l4, PAGE_MASK, %l4
#else
sethi %hi(PAGE_MASK), %l6
and %l4, %l6, %l4
#endif
srl %l5, (PAGE_SHIFT - 2), %l6
and %l6, ((SUN4C_PTRS_PER_PTE - 1) << 2), %l6
arch/sparc/kernel/head.S
+2 -26
View File
@@ -63,15 +63,9 @@ cputypvar_sun4m:
.align 4
#ifndef CONFIG_SUN4
sun4_notsup:
.asciz "Sparc-Linux sun4 needs a specially compiled kernel, turn CONFIG_SUN4 on.\n\n"
.asciz "Sparc-Linux sun4 support does no longer exist.\n\n"
.align 4
#else
sun4cdm_notsup:
.asciz "Kernel compiled with CONFIG_SUN4 cannot run on SUN4C/SUN4M/SUN4D\nTurn CONFIG_SUN4 off.\n\n"
.align 4
#endif
sun4e_notsup:
.asciz "Sparc-Linux sun4e support does not exist\n\n"
@@ -780,15 +774,6 @@ execute_in_high_mem:
nop
found_version:
#ifdef CONFIG_SUN4
/* For people who try sun4 kernels, even if Configure.help advises them. */
ld [%g7 + 0x68], %o1
set sun4cdm_notsup, %o0
call %o1
nop
b halt_me
nop
#endif
/* Get the machine type via the mysterious romvec node operations. */
add %g7, 0x1c, %l1
@@ -1150,15 +1135,6 @@ sun4c_continue_boot:
nop
sun4_init:
#ifdef CONFIG_SUN4
/* There, happy now Adrian? */
set cputypval, %o2 ! Let everyone know we
set ' ', %o0 ! are a "sun4 " architecture
stb %o0, [%o2 + 0x4]
b got_prop
nop
#else
sethi %hi(SUN4_PROM_VECTOR+0x84), %o1
ld [%o1 + %lo(SUN4_PROM_VECTOR+0x84)], %o1
set sun4_notsup, %o0
@@ -1170,7 +1146,7 @@ sun4_init:
nop
1: ba 1b ! Cannot exit into KMON
nop
#endif
no_sun4e_here:
ld [%g7 + 0x68], %o1
set sun4e_notsup, %o0
arch/sparc/kernel/idprom.c
-7
View File
@@ -12,10 +12,6 @@
#include <asm/oplib.h>
#include <asm/idprom.h>
#include <asm/machines.h> /* Fun with Sun released architectures. */
#ifdef CONFIG_SUN4
#include <asm/sun4paddr.h>
extern void sun4setup(void);
#endif
struct idprom *idprom;
static struct idprom idprom_buffer;
@@ -101,7 +97,4 @@ void __init idprom_init(void)
idprom->id_ethaddr[0], idprom->id_ethaddr[1],
idprom->id_ethaddr[2], idprom->id_ethaddr[3],
idprom->id_ethaddr[4], idprom->id_ethaddr[5]);
#ifdef CONFIG_SUN4
sun4setup();
#endif
}
arch/sparc/kernel/process.c
+1 -1
View File
@@ -75,7 +75,7 @@ void cpu_idle(void)
{
/* endless idle loop with no priority at all */
for (;;) {
if (ARCH_SUN4C_SUN4) {
if (ARCH_SUN4C) {
static int count = HZ;
static unsigned long last_jiffies;
static unsigned long last_faults;

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