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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
/*
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* SDRAM init values
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*
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* Copyright 2007, Broadcom Corporation
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* Copyright 2009, OpenWrt.org
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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*/
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#ifndef _sdinitvals_h_
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#define _sdinitvals_h_
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/* SDRAM refresh control (refresh) register bits */
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#define SDRAM_REF(p) (((p)&0xff) | SDRAM_REF_EN) /* Refresh period */
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#define SDRAM_REF_EN 0x8000 /* Writing 1 enables periodic refresh */
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/* SDRAM Core default Init values (OCP ID 0x803) */
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#define MEM4MX16X2 0x419 /* 16 MB */
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#define SDRAM_INIT MEM4MX16X2
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#define SDRAM_BURSTFULL 0x0000 /* Use full page bursts */
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#define SDRAM_CONFIG SDRAM_BURSTFULL
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#define SDRAM_REFRESH SDRAM_REF(0x40)
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#endif /* _sdinitvals_h_ */
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