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openwrt-xburst/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbsocram.h
nbd 7ed9009bbd convert brcm-2.4 to the new target structure
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7092 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-05-04 22:13:42 +00:00

65 lines
1.6 KiB
C

/*
* BCM47XX Sonics SiliconBackplane embedded ram core
*
* Copyright 2006, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* $Id: sbsocram.h,v 1.1.1.3 2006/02/27 03:43:16 honor Exp $
*/
#ifndef _SBSOCRAM_H
#define _SBSOCRAM_H
#define SR_COREINFO 0x00
#define SR_BWALLOC 0x04
#define SR_BISTSTAT 0x0c
#define SR_BANKINDEX 0x10
#define SR_BANKSTBYCTL 0x14
#ifndef _LANGUAGE_ASSEMBLY
/* Memcsocram core registers */
typedef volatile struct sbsocramregs {
uint32 coreinfo;
uint32 bwalloc;
uint32 PAD;
uint32 biststat;
uint32 bankidx;
uint32 standbyctrl;
} sbsocramregs_t;
#endif
/* Coreinfo register */
#define SRCI_PT_MASK 0x30000
#define SRCI_PT_SHIFT 16
/* In corerev 0, the memory size is 2 to the power of the
* base plus 16 plus to the contents of the memsize field plus 1.
*/
#define SRCI_MS0_MASK 0xf
#define SR_MS0_BASE 16
/*
* In corerev 1 the bank size is 2 ^ the bank size field plus 14,
* the memory size is number of banks times bank size.
* The same applies to rom size.
*/
#define SRCI_ROMNB_MASK 0xf000
#define SRCI_ROMNB_SHIFT 12
#define SRCI_ROMBSZ_MASK 0xf00
#define SRCI_ROMBSZ_SHIFT 8
#define SRCI_SRNB_MASK 0xf0
#define SRCI_SRNB_SHIFT 4
#define SRCI_SRBSZ_MASK 0xf
#define SRCI_SRBSZ_SHIFT 0
#define SR_BSZ_BASE 14
#endif /* _SBSOCRAM_H */