* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
#include <common.h>
#include <pci.h>
#include <asm/immap.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
return 0;
};
-long int initdram(int board_type)
+phys_size_t initdram(int board_type)
{
- volatile siu_t *siu = (siu_t *) (MMAP_SIU);
- volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
+ siu_t *siu = (siu_t *) (MMAP_SIU);
+ sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
u32 dramsize, i;
+#ifdef CONFIG_SYS_DRAMSZ1
+ u32 temp;
+#endif
- siu->drv = CFG_SDRAM_DRVSTRENGTH;
+ out_be32(&siu->drv, CONFIG_SYS_SDRAM_DRVSTRENGTH);
- dramsize = CFG_DRAMSZ * 0x100000;
+ dramsize = CONFIG_SYS_DRAMSZ * 0x100000;
for (i = 0x13; i < 0x20; i++) {
if (dramsize == (1 << i))
break;
}
i--;
- siu->cs0cfg = (CFG_SDRAM_BASE | i);
+ out_be32(&siu->cs0cfg, CONFIG_SYS_SDRAM_BASE | i);
-#ifdef CFG_DRAMSZ1
- temp = CFG_DRAMSZ1 * 0x100000;
+#ifdef CONFIG_SYS_DRAMSZ1
+ temp = CONFIG_SYS_DRAMSZ1 * 0x100000;
for (i = 0x13; i < 0x20; i++) {
if (temp == (1 << i))
break;
}
i--;
dramsize += temp;
- siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i);
+ out_be32(&siu->cs1cfg, (CONFIG_SYS_SDRAM_BASE + temp) | i);
#endif
- sdram->cfg1 = CFG_SDRAM_CFG1;
- sdram->cfg2 = CFG_SDRAM_CFG2;
+ out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
+ out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
/* Issue PALL */
- sdram->ctrl = CFG_SDRAM_CTRL | 2;
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
/* Issue LEMR */
- sdram->mode = CFG_SDRAM_EMOD;
- sdram->mode = (CFG_SDRAM_MODE | 0x04000000);
+ out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
+ out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE | 0x04000000);
udelay(500);
/* Issue PALL */
- sdram->ctrl = (CFG_SDRAM_CTRL | 2);
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
/* Perform two refresh cycles */
- sdram->ctrl = CFG_SDRAM_CTRL | 4;
- sdram->ctrl = CFG_SDRAM_CTRL | 4;
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
+ out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
- sdram->mode = CFG_SDRAM_MODE;
+ out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
- sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
+ out_be32(&sdram->ctrl,
+ (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00);
udelay(100);