1/* 2 * SDRAM init values 3 * 4 * Copyright 2007, Broadcom Corporation 5 * Copyright 2009, OpenWrt.org 6 * All Rights Reserved. 7 * 8 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY 9 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM 10 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS 11 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. 12 * 13 */ 14 15#ifndef _sdinitvals_h_ 16#define _sdinitvals_h_ 17 18/* SDRAM refresh control (refresh) register bits */ 19#define SDRAM_REF(p) (((p)&0xff) | SDRAM_REF_EN) /* Refresh period */ 20#define SDRAM_REF_EN 0x8000 /* Writing 1 enables periodic refresh */ 21 22/* SDRAM Core default Init values (OCP ID 0x803) */ 23#define MEM4MX16X2 0x419 /* 16 MB */ 24 25#define SDRAM_INIT MEM4MX16X2 26#define SDRAM_BURSTFULL 0x0000 /* Use full page bursts */ 27#define SDRAM_CONFIG SDRAM_BURSTFULL 28#define SDRAM_REFRESH SDRAM_REF(0x40) 29 30#endif /* _sdinitvals_h_ */ 31