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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * mbus.h:  Various defines for MBUS modules.
 *
 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
 */

#ifndef _SPARC_MBUS_H
#define _SPARC_MBUS_H

#include <asm/ross.h>    /* HyperSparc stuff */
#include <asm/viking.h>  /* Ugh, bug city... */

enum mbus_module {
	HyperSparc        = 0,
	Swift_ok          = 4,
	Swift_bad_c       = 5,
	Swift_lots_o_bugs = 6,
	Tsunami           = 7,
	Viking_12         = 8,
	Viking_2x         = 9,
	Viking_30         = 10,
	Viking_35         = 11,
	Viking_new        = 12,
	TurboSparc	  = 13,
	SRMMU_INVAL_MOD   = 14,
};

extern enum mbus_module srmmu_modtype;
extern unsigned int viking_rev, swift_rev, cypress_rev;

/* HW Mbus module bugs we have to deal with */
#define HWBUG_COPYBACK_BROKEN        0x00000001
#define HWBUG_ASIFLUSH_BROKEN        0x00000002
#define HWBUG_VACFLUSH_BITROT        0x00000004
#define HWBUG_KERN_ACCBROKEN         0x00000008
#define HWBUG_KERN_CBITBROKEN        0x00000010
#define HWBUG_MODIFIED_BITROT        0x00000020
#define HWBUG_PC_BADFAULT_ADDR       0x00000040
#define HWBUG_SUPERSCALAR_BAD        0x00000080
#define HWBUG_PACINIT_BITROT         0x00000100

/* First the module type values. To find out which you have, just load
 * the mmu control register from ASI_M_MMUREG alternate address space and
 * shift the value right 28 bits.
 */
/* IMPL field means the company which produced the chip. */
#define MBUS_VIKING        0x4   /* bleech, Texas Instruments Module */
#define MBUS_LSI           0x3   /* LSI Logics */
#define MBUS_ROSS          0x1   /* Ross is nice */
#define MBUS_FMI           0x0   /* Fujitsu Microelectronics/Swift */

/* Ross Module versions */
#define ROSS_604_REV_CDE        0x0   /* revisions c, d, and e */
#define ROSS_604_REV_F          0x1   /* revision f */
#define ROSS_605                0xf   /* revision a, a.1, and a.2 */
#define ROSS_605_REV_B          0xe   /* revision b */

/* TI Viking Module versions */
#define VIKING_REV_12           0x1   /* Version 1.2 or SPARCclassic's CPU */
#define VIKING_REV_2            0x2   /* Version 2.1, 2.2, 2.3, and 2.4 */
#define VIKING_REV_30           0x3   /* Version 3.0 */
#define VIKING_REV_35           0x4   /* Version 3.5 */

/* LSI Logics. */
#define LSI_L64815		0x0

/* Fujitsu */
#define FMI_AURORA		0x4   /* MB8690x, a Swift module... */
#define FMI_TURBO		0x5   /* MB86907, a TurboSparc module... */

/* For multiprocessor support we need to be able to obtain the CPU id and
 * the MBUS Module id.
 */

/* The CPU ID is encoded in the trap base register, 20 bits to the left of
 * bit zero, with 2 bits being significant.
 */
#define TBR_ID_SHIFT            20

static inline int get_cpuid(void)
{
	register int retval;
	__asm__ __volatile__("rd %%tbr, %0\n\t"
			     "srl %0, %1, %0\n\t" :
			     "=r" (retval) :
			     "i" (TBR_ID_SHIFT));
	return (retval & 3);
}

static inline int get_modid(void)
{
	return (get_cpuid() | 0x8);
}

	
#endif /* !(_SPARC_MBUS_H) */

Filemanager

Name Type Size Permission Actions
Kbuild File 491 B 0644
agp.h File 434 B 0644
apb.h File 1.06 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 727 B 0644
asm.h File 1.08 KB 0644
asmmacro.h File 1.16 KB 0644
atomic.h File 219 B 0644
atomic_32.h File 2.26 KB 0644
atomic_64.h File 3.34 KB 0644
auxio.h File 310 B 0644
auxio_32.h File 2.55 KB 0644
auxio_64.h File 3.18 KB 0644
backoff.h File 2.7 KB 0644
barrier.h File 223 B 0644
barrier_32.h File 160 B 0644
barrier_64.h File 1.96 KB 0644
bbc.h File 9.76 KB 0644
bitext.h File 631 B 0644
bitops.h File 219 B 0644
bitops_32.h File 2.79 KB 0644
bitops_64.h File 1.64 KB 0644
btext.h File 145 B 0644
bug.h File 588 B 0644
bugs.h File 404 B 0644
cache.h File 649 B 0644
cacheflush.h File 373 B 0644
cacheflush_32.h File 1.97 KB 0644
cacheflush_64.h File 2.56 KB 0644
cachetlb_32.h File 882 B 0644
chafsr.h File 9.48 KB 0644
checksum.h File 227 B 0644
checksum_32.h File 6.81 KB 0644
checksum_64.h File 4.4 KB 0644
chmctrl.h File 7.91 KB 0644
clock.h File 231 B 0644
clocksource.h File 407 B 0644
cmpxchg.h File 223 B 0644
cmpxchg_32.h File 2.4 KB 0644
cmpxchg_64.h File 5.13 KB 0644
compat.h File 6.45 KB 0644
compat_signal.h File 565 B 0644
contregs.h File 1.9 KB 0644
cpu_type.h File 579 B 0644
cpudata.h File 378 B 0644
cpudata_32.h File 729 B 0644
cpudata_64.h File 1.13 KB 0644
current.h File 991 B 0644
dcr.h File 728 B 0644
dcu.h File 1.48 KB 0644
delay.h File 215 B 0644
delay_32.h File 907 B 0644
delay_64.h File 403 B 0644
device.h File 565 B 0644
dma-mapping.h File 632 B 0644
dma.h File 6.6 KB 0644
ebus_dma.h File 1.07 KB 0644
ecc.h File 4.34 KB 0644
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fhc.h File 4.43 KB 0644
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hardirq.h File 223 B 0644
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hardirq_64.h File 417 B 0644
head.h File 211 B 0644
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hugetlb.h File 2.09 KB 0644
hvtramp.h File 782 B 0644
hw_irq.h File 88 B 0644
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ide.h File 2.19 KB 0644
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io-unit.h File 2.41 KB 0644
io.h File 620 B 0644
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ioctls.h File 358 B 0644
iommu.h File 215 B 0644
iommu_32.h File 5.73 KB 0644
iommu_64.h File 2.43 KB 0644
irq.h File 207 B 0644
irq_32.h File 526 B 0644
irq_64.h File 3.06 KB 0644
irqflags.h File 227 B 0644
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irqflags_64.h File 1.91 KB 0644
jump_label.h File 1.01 KB 0644
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leon_amba.h File 8.09 KB 0644
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mbus.h File 2.93 KB 0644
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mmu_context_64.h File 4.15 KB 0644
mmzone.h File 393 B 0644
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mxcc.h File 4.33 KB 0644
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ns87303.h File 3.22 KB 0644
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pbm.h File 1.47 KB 0644
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pgtsrmmu.h File 6.05 KB 0644
pil.h File 1.08 KB 0644
processor.h File 231 B 0644
processor_32.h File 3.13 KB 0644
processor_64.h File 7.58 KB 0644
prom.h File 2.02 KB 0644
psr.h File 1.38 KB 0644
ptrace.h File 4.19 KB 0644
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qspinlock.h File 215 B 0644
ross.h File 5.52 KB 0644
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spinlock_types.h File 549 B 0644
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string_64.h File 505 B 0644
sunbpp.h File 3.27 KB 0644
swift.h File 3.07 KB 0644
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switch_to_64.h File 2.58 KB 0644
syscall.h File 3.41 KB 0644
syscalls.h File 307 B 0644
termbits.h File 198 B 0644
termios.h File 4.94 KB 0644
thread_info.h File 239 B 0644
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timer.h File 215 B 0644
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timer_64.h File 2.37 KB 0644
timex.h File 215 B 0644
timex_32.h File 266 B 0644
timex_64.h File 423 B 0644
tlb.h File 207 B 0644
tlb_32.h File 520 B 0644
tlb_64.h File 913 B 0644
tlbflush.h File 227 B 0644
tlbflush_32.h File 621 B 0644
tlbflush_64.h File 1.73 KB 0644
topology.h File 227 B 0644
topology_32.h File 170 B 0644
topology_64.h File 1.51 KB 0644
trap_block.h File 6.51 KB 0644
traps.h File 577 B 0644
tsb.h File 12.17 KB 0644
tsunami.h File 1.85 KB 0644
ttable.h File 20.08 KB 0644
turbosparc.h File 3.78 KB 0644
uaccess.h File 363 B 0644
uaccess_32.h File 8.31 KB 0644
uaccess_64.h File 6.05 KB 0644
unaligned.h File 339 B 0644
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user.h File 102 B 0644
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vdso.h File 662 B 0644
vga.h File 964 B 0644
viking.h File 8.14 KB 0644
vio.h File 11.81 KB 0644
visasm.h File 1.51 KB 0644
vvar.h File 1.52 KB 0644
winmacro.h File 4.66 KB 0644
xor.h File 207 B 0644
xor_32.h File 7.31 KB 0644
xor_64.h File 2.5 KB 0644