arch/mips/include/asm/sibyte/bcm1480_l2c.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/sibyte/bcm1480_l2c.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/sibyte/bcm1480_l2c.h
Extension
.h
Size
7705 bytes
Lines
164
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 _BCM1480_L2C_H
#define _BCM1480_L2C_H

#include <asm/sibyte/sb1250_defs.h>

/*
 * Format of level 2 cache management address (Table 55)
 */

#define S_BCM1480_L2C_MGMT_INDEX	    5
#define M_BCM1480_L2C_MGMT_INDEX	    _SB_MAKEMASK(12, S_BCM1480_L2C_MGMT_INDEX)
#define V_BCM1480_L2C_MGMT_INDEX(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_MGMT_INDEX)
#define G_BCM1480_L2C_MGMT_INDEX(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_MGMT_INDEX, M_BCM1480_L2C_MGMT_INDEX)

#define S_BCM1480_L2C_MGMT_WAY		    17
#define M_BCM1480_L2C_MGMT_WAY		    _SB_MAKEMASK(3, S_BCM1480_L2C_MGMT_WAY)
#define V_BCM1480_L2C_MGMT_WAY(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_MGMT_WAY)
#define G_BCM1480_L2C_MGMT_WAY(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_MGMT_WAY, M_BCM1480_L2C_MGMT_WAY)

#define M_BCM1480_L2C_MGMT_DIRTY	    _SB_MAKEMASK1(20)
#define M_BCM1480_L2C_MGMT_VALID	    _SB_MAKEMASK1(21)

#define S_BCM1480_L2C_MGMT_ECC_DIAG	    22
#define M_BCM1480_L2C_MGMT_ECC_DIAG	    _SB_MAKEMASK(2, S_BCM1480_L2C_MGMT_ECC_DIAG)
#define V_BCM1480_L2C_MGMT_ECC_DIAG(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_MGMT_ECC_DIAG)
#define G_BCM1480_L2C_MGMT_ECC_DIAG(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_MGMT_ECC_DIAG, M_BCM1480_L2C_MGMT_ECC_DIAG)

#define A_BCM1480_L2C_MGMT_TAG_BASE	    0x00D0000000

#define BCM1480_L2C_ENTRIES_PER_WAY	    4096
#define BCM1480_L2C_NUM_WAYS		    8


/*
 * Level 2 Cache Tag register (Table 59)
 */

#define S_BCM1480_L2C_TAG_MBZ		    0
#define M_BCM1480_L2C_TAG_MBZ		    _SB_MAKEMASK(5, S_BCM1480_L2C_TAG_MBZ)

#define S_BCM1480_L2C_TAG_INDEX		    5
#define M_BCM1480_L2C_TAG_INDEX		    _SB_MAKEMASK(12, S_BCM1480_L2C_TAG_INDEX)
#define V_BCM1480_L2C_TAG_INDEX(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_TAG_INDEX)
#define G_BCM1480_L2C_TAG_INDEX(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_TAG_INDEX, M_BCM1480_L2C_TAG_INDEX)

/* Note that index bit 16 is also tag bit 40 */
#define S_BCM1480_L2C_TAG_TAG		    17
#define M_BCM1480_L2C_TAG_TAG		    _SB_MAKEMASK(23, S_BCM1480_L2C_TAG_TAG)
#define V_BCM1480_L2C_TAG_TAG(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_TAG_TAG)
#define G_BCM1480_L2C_TAG_TAG(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_TAG_TAG, M_BCM1480_L2C_TAG_TAG)

#define S_BCM1480_L2C_TAG_ECC		    40
#define M_BCM1480_L2C_TAG_ECC		    _SB_MAKEMASK(6, S_BCM1480_L2C_TAG_ECC)
#define V_BCM1480_L2C_TAG_ECC(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_TAG_ECC)
#define G_BCM1480_L2C_TAG_ECC(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_TAG_ECC, M_BCM1480_L2C_TAG_ECC)

#define S_BCM1480_L2C_TAG_WAY		    46
#define M_BCM1480_L2C_TAG_WAY		    _SB_MAKEMASK(3, S_BCM1480_L2C_TAG_WAY)
#define V_BCM1480_L2C_TAG_WAY(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_TAG_WAY)
#define G_BCM1480_L2C_TAG_WAY(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_TAG_WAY, M_BCM1480_L2C_TAG_WAY)

#define M_BCM1480_L2C_TAG_DIRTY		    _SB_MAKEMASK1(49)
#define M_BCM1480_L2C_TAG_VALID		    _SB_MAKEMASK1(50)

#define S_BCM1480_L2C_DATA_ECC		    51
#define M_BCM1480_L2C_DATA_ECC		    _SB_MAKEMASK(10, S_BCM1480_L2C_DATA_ECC)
#define V_BCM1480_L2C_DATA_ECC(x)	    _SB_MAKEVALUE(x, S_BCM1480_L2C_DATA_ECC)
#define G_BCM1480_L2C_DATA_ECC(x)	    _SB_GETVALUE(x, S_BCM1480_L2C_DATA_ECC, M_BCM1480_L2C_DATA_ECC)


/*
 * L2 Misc0 Value Register (Table 60)
 */

#define S_BCM1480_L2C_MISC0_WAY_REMOTE	    0
#define M_BCM1480_L2C_MISC0_WAY_REMOTE	    _SB_MAKEMASK(8, S_BCM1480_L2C_MISC0_WAY_REMOTE)
#define G_BCM1480_L2C_MISC0_WAY_REMOTE(x)   _SB_GETVALUE(x, S_BCM1480_L2C_MISC0_WAY_REMOTE, M_BCM1480_L2C_MISC0_WAY_REMOTE)

#define S_BCM1480_L2C_MISC0_WAY_LOCAL	    8
#define M_BCM1480_L2C_MISC0_WAY_LOCAL	    _SB_MAKEMASK(8, S_BCM1480_L2C_MISC0_WAY_LOCAL)
#define G_BCM1480_L2C_MISC0_WAY_LOCAL(x)    _SB_GETVALUE(x, S_BCM1480_L2C_MISC0_WAY_LOCAL, M_BCM1480_L2C_MISC0_WAY_LOCAL)

#define S_BCM1480_L2C_MISC0_WAY_ENABLE	    16
#define M_BCM1480_L2C_MISC0_WAY_ENABLE	    _SB_MAKEMASK(8, S_BCM1480_L2C_MISC0_WAY_ENABLE)
#define G_BCM1480_L2C_MISC0_WAY_ENABLE(x)   _SB_GETVALUE(x, S_BCM1480_L2C_MISC0_WAY_ENABLE, M_BCM1480_L2C_MISC0_WAY_ENABLE)

#define S_BCM1480_L2C_MISC0_CACHE_DISABLE   24
#define M_BCM1480_L2C_MISC0_CACHE_DISABLE   _SB_MAKEMASK(2, S_BCM1480_L2C_MISC0_CACHE_DISABLE)
#define G_BCM1480_L2C_MISC0_CACHE_DISABLE(x) _SB_GETVALUE(x, S_BCM1480_L2C_MISC0_CACHE_DISABLE, M_BCM1480_L2C_MISC0_CACHE_DISABLE)

Annotation

Implementation Notes