+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
*
* Authors: Nick.Spence@freescale.com
* Wilson.Lo@freescale.com
* scottwood@freescale.com
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <init.h>
#include <mpc83xx.h>
#include <spd_sdram.h>
+#include <linux/delay.h>
#include <asm/bitops.h>
#include <asm/io.h>
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
u32 msize_log2 = __ilog2(msize);
- im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
+ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & 0xfffff000;
im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
*/
__udelay(50000);
-#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
+#if ((CONFIG_SYS_SDRAM_BASE & 0x00FFFFFF) != 0)
#warning Chip select bounds is only configurable in 16MB increments
#endif
im->ddr.csbnds[0].csbnds =
- ((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
- (((CONFIG_SYS_DDR_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) &
+ ((CONFIG_SYS_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
+ (((CONFIG_SYS_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) &
CSBNDS_EA);
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
return msize;
}
-phys_size_t initdram(int board_type)
+int dram_init(void)
{
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile fsl_lbc_t *lbc = &im->im_lbc;
u32 msize;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
- return -1;
+ return -ENXIO;
/* DDR SDRAM - Main SODIMM */
msize = fixed_sdram();
/* Local Bus setup lbcr and mrtpr */
- lbc->lbcr = CONFIG_SYS_LBC_LBCR;
- lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
+ lbc->lbcr = (0x00040000 | (0xFF << LBCR_BMT_SHIFT) | 0xF);
+ /* LB refresh timer prescal, 266MHz/32 */
+ lbc->mrtpr = 0x20000000;
sync();
#ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
#endif
/* return total bus SDRAM size(bytes) -- DDR */
- return msize;
+ gd->ram_size = msize;
+
+ return 0;
}