arch/mips/include/asm/mips-boards/generic.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/mips-boards/generic.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/mips-boards/generic.h
Extension
.h
Size
2431 bytes
Lines
77
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_MIPS_BOARDS_GENERIC_H
#define __ASM_MIPS_BOARDS_GENERIC_H

#include <asm/addrspace.h>
#include <asm/byteorder.h>
#include <asm/mips-boards/bonito64.h>

/*
 * Display register base.
 */
#define ASCII_DISPLAY_WORD_BASE	   0x1f000410
#define ASCII_DISPLAY_POS_BASE	   0x1f000418

/*
 * Revision register.
 */
#define MIPS_REVISION_REG		   0x1fc00010
#define MIPS_REVISION_CORID_QED_RM5261	   0
#define MIPS_REVISION_CORID_CORE_LV	   1
#define MIPS_REVISION_CORID_BONITO64	   2
#define MIPS_REVISION_CORID_CORE_20K	   3
#define MIPS_REVISION_CORID_CORE_FPGA	   4
#define MIPS_REVISION_CORID_CORE_MSC	   5
#define MIPS_REVISION_CORID_CORE_EMUL	   6
#define MIPS_REVISION_CORID_CORE_FPGA2	   7
#define MIPS_REVISION_CORID_CORE_FPGAR2	   8
#define MIPS_REVISION_CORID_CORE_FPGA3	   9
#define MIPS_REVISION_CORID_CORE_24K	   10
#define MIPS_REVISION_CORID_CORE_FPGA4	   11
#define MIPS_REVISION_CORID_CORE_FPGA5	   12

/**** Artificial corid defines ****/
/*
 *  CoreEMUL with   Bonito   System Controller is treated like a Core20K
 *  CoreEMUL with SOC-it 101 System Controller is treated like a CoreMSC
 */
#define MIPS_REVISION_CORID_CORE_EMUL_BON  -1
#define MIPS_REVISION_CORID_CORE_EMUL_MSC  -2

#define MIPS_REVISION_CORID (((*(volatile u32 *)ioremap(MIPS_REVISION_REG, 4)) >> 10) & 0x3f)

#define MIPS_REVISION_SCON_OTHER	   0
#define MIPS_REVISION_SCON_SOCITSC	   1
#define MIPS_REVISION_SCON_SOCITSCP	   2

/* Artificial SCON defines for MIPS_REVISION_SCON_OTHER */
#define MIPS_REVISION_SCON_UNKNOWN	   -1
#define MIPS_REVISION_SCON_GT64120	   -2
#define MIPS_REVISION_SCON_BONITO	   -3
#define MIPS_REVISION_SCON_BRTL		   -4
#define MIPS_REVISION_SCON_SOCIT	   -5
#define MIPS_REVISION_SCON_ROCIT	   -6

#define MIPS_REVISION_SCONID (((*(volatile u32 *)ioremap(MIPS_REVISION_REG, 4)) >> 24) & 0xff)

extern int mips_revision_sconid;

#ifdef CONFIG_PCI
extern void mips_pcibios_init(void);
#else
#define mips_pcibios_init() do { } while (0)
#endif

#endif	/* __ASM_MIPS_BOARDS_GENERIC_H */

Annotation

Implementation Notes