mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-29 04:09:41 +02:00
fad131f967
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15437 3c298f89-4303-0410-b956-a3cf2f4a3e73
31 lines
990 B
C
31 lines
990 B
C
/*
|
|
* 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_ */
|