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openwrt-xburst/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbsocram.h

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/*
* BCM47XX Sonics SiliconBackplane embedded ram core
*
* Copyright 2007, 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.
*
*/
#ifndef _SBSOCRAM_H
#define _SBSOCRAM_H
#ifndef _LANGUAGE_ASSEMBLY
/* cpp contortions to concatenate w/arg prescan */
#ifndef PAD
#define _PADLINE(line) pad ## line
#define _XSTR(line) _PADLINE(line)
#define PAD _XSTR(__LINE__)
#endif /* PAD */
/* Memcsocram core registers */
typedef volatile struct sbsocramregs {
uint32 coreinfo;
uint32 bwalloc;
uint32 PAD;
uint32 biststat;
uint32 bankidx;
uint32 standbyctrl;
uint32 PAD[116];
uint32 pwrctl; /* corerev >= 2 */
} sbsocramregs_t;
#endif /* _LANGUAGE_ASSEMBLY */
/* Register offsets */
#define SR_COREINFO 0x00
#define SR_BWALLOC 0x04
#define SR_BISTSTAT 0x0c
#define SR_BANKINDEX 0x10
#define SR_BANKSTBYCTL 0x14
#define SR_PWRCTL 0x1e8
/* Coreinfo register */
#define SRCI_PT_MASK 0x00030000
#define SRCI_PT_SHIFT 16
/* corerev >= 3 */
#define SRCI_LSS_MASK 0x00f00000
#define SRCI_LSS_SHIFT 20
#define SRCI_LRS_MASK 0x0f000000
#define SRCI_LRS_SHIFT 24
/* 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
/* Standby control register */
#define SRSC_SBYOVR_MASK 0x80000000
#define SRSC_SBYOVR_SHIFT 31
#define SRSC_SBYOVRVAL_MASK 0x60000000
#define SRSC_SBYOVRVAL_SHIFT 29
#endif /* _SBSOCRAM_H */