/* * SDRAM init values * * Copyright 2007, Broadcom Corporation * Copyright 2009, OpenWrt.org * 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 _sdinitvals_h_ #define _sdinitvals_h_ /* SDRAM refresh control (refresh) register bits */ #define SDRAM_REF(p) (((p)&0xff) | SDRAM_REF_EN) /* Refresh period */ #define SDRAM_REF_EN 0x8000 /* Writing 1 enables periodic refresh */ /* SDRAM Core default Init values (OCP ID 0x803) */ #define MEM4MX16X2 0x419 /* 16 MB */ #define SDRAM_INIT MEM4MX16X2 #define SDRAM_BURSTFULL 0x0000 /* Use full page bursts */ #define SDRAM_CONFIG SDRAM_BURSTFULL #define SDRAM_REFRESH SDRAM_REF(0x40) #endif /* _sdinitvals_h_ */