upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/xes/common/fsl_8xxx_ddr.c

99 lines
2.4 KiB

/*
* Copyright 2008 Extreme Engineering Solutions, Inc.
*
* 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
*/
#include <common.h>
#include <asm/fsl_ddr_sdram.h>
#include <asm/mmu.h>
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = fsl_ddr_sdram();
#ifdef CONFIG_MPC85xx
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/* Initialize and enable DDR ECC */
ddr_enable_ecc(dram_size);
#endif
return dram_size;
}
#if defined(CONFIG_DDR_ECC) || (CONFIG_NUM_DDR_CONTROLLERS > 1)
void board_add_ram_info(int use_default)
{
#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
#if defined(CONFIG_MPC85xx)
volatile ccsr_ddr_t *ddr1 = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
#elif defined(CONFIG_MPC86xx)
volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1;
#endif
#endif
puts(" (");
#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
/* Print interleaving information */
if (ddr1->cs0_config & 0x20000000) {
switch ((ddr1->cs0_config >> 24) & 0xf) {
case 0:
puts("cache line");
break;
case 1:
puts("page");
break;
case 2:
puts("bank");
break;
case 3:
puts("super-bank");
break;
default:
puts("invalid");
break;
}
} else {
puts("no");
}
puts(" interleaving");
#endif
#if (CONFIG_NUM_DDR_CONTROLLERS > 1) && defined(CONFIG_DDR_ECC)
puts(", ");
#endif
#if defined(CONFIG_DDR_ECC)
puts("ECC enabled");
#endif
puts(")");
}
#endif /* CONFIG_DDR_ECC || CONFIG_NUM_DDR_CONTROLLERS > 1 */