* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
#include <asm/immap.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
phys_size_t initdram(int board_type)
{
- volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
+ sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
u32 dramsize, i;
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
}
i--;
- sdram->cs0 = (CONFIG_SYS_SDRAM_BASE | i);
+ out_be32(&sdram->cs0, CONFIG_SYS_SDRAM_BASE | i);
#ifdef CONFIG_SYS_SDRAM_BASE1
- sdram->cs1 = (CONFIG_SYS_SDRAM_BASE | i);
+ out_be32(&sdram->cs1, CONFIG_SYS_SDRAM_BASE | i);
#endif
- sdram->cfg1 = CONFIG_SYS_SDRAM_CFG1;
- sdram->cfg2 = CONFIG_SYS_SDRAM_CFG2;
+ out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
+ out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
udelay(500);
/* Issue PALL */
- sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
asm("nop");
/* Perform two refresh cycles */
- sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
- sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
asm("nop");
/* Issue LEMR */
- sdram->mode = CONFIG_SYS_SDRAM_MODE;
+ out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
asm("nop");
- sdram->mode = CONFIG_SYS_SDRAM_EMOD;
+ out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
asm("nop");
- sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
asm("nop");
- sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
+ out_be32(&sdram->ctrl,
+ (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
asm("nop");
udelay(100);