arch/mips/include/asm/sibyte/sb1250.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/sibyte/sb1250.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/sibyte/sb1250.h
Extension
.h
Size
1168 bytes
Lines
55
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_SIBYTE_SB1250_H
#define _ASM_SIBYTE_SB1250_H

/*
 * yymmddpp: year, month, day, patch.
 * should sync with Makefile EXTRAVERSION
 */
#define SIBYTE_RELEASE 0x02111403

#define SB1250_NR_IRQS 64

#define BCM1480_NR_IRQS			128
#define BCM1480_NR_IRQS_HALF		64

#define SB1250_DUART_MINOR_BASE		64

#ifndef __ASSEMBLER__

#include <asm/addrspace.h>

/* For revision/pass information */
#include <asm/sibyte/sb1250_scd.h>
#include <asm/sibyte/bcm1480_scd.h>
extern unsigned int sb1_pass;
extern unsigned int soc_pass;
extern unsigned int soc_type;
extern unsigned int periph_rev;
extern unsigned int zbbus_mhz;

extern void sb1250_mask_irq(int cpu, int irq);
extern void sb1250_unmask_irq(int cpu, int irq);

extern void bcm1480_time_init(void);
extern void bcm1480_mask_irq(int cpu, int irq);
extern void bcm1480_unmask_irq(int cpu, int irq);

#define AT_spin \
	__asm__ __volatile__ (		\
		".set noat\n"		\
		"li $at, 0\n"		\
		"1: beqz $at, 1b\n"	\
		".set at\n"		\
		)

#endif

#define IOADDR(a) ((void __iomem *)(IO_BASE + (a)))

#endif

Annotation

Implementation Notes