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/*
* SMS/SDRC (SDRAM controller) common code for OMAP2/3
*
* Copyright (C) 2005, 2008 Texas Instruments Inc.
* Copyright (C) 2005, 2008 Nokia Corporation
*
* Tony Lindgren <tony@atomide.com>
* Paul Walmsley
* Richard Woodruff <r-woodruff2@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <mach/common.h>
#include <mach/clock.h>
#include <mach/sram.h>
#include "prm.h"
#include <mach/sdrc.h>
#include "sdrc.h"
void __iomem *omap2_sdrc_base;
void __iomem *omap2_sms_base;
void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals)
{
omap2_sdrc_base = omap2_globals->sdrc;
omap2_sms_base = omap2_globals->sms;
}
/* turn on smart idle modes for SDRAM scheduler and controller */
void __init omap2_sdrc_init(void)
{
u32 l;
l = sms_read_reg(SMS_SYSCONFIG);
l &= ~(0x3 << 3);
l |= (0x2 << 3);
sms_write_reg(l, SMS_SYSCONFIG);
l = sdrc_read_reg(SDRC_SYSCONFIG);
l &= ~(0x3 << 3);
l |= (0x2 << 3);
sdrc_write_reg(l, SDRC_SYSCONFIG);
}
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