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/*
* Copyright 2009 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/processor.h>
#include <asm/fsl_ddr_sdram.h>
#include <asm/mmu.h>
#include <asm/io.h>
#include <fdt_support.h>
#include <pca953x.h>
#include "../common/fsl_8xxx_misc.h"
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
extern void ft_board_pci_setup(void *blob, bd_t *bd);
#endif
/*
* Print out which flash was booted from and if booting from the 2nd flash,
* swap flash chip selects to maintain consistent flash numbering/addresses.
*/
static void flash_cs_fixup(void)
{
int flash_sel;
/*
* Print boot dev and swap flash flash chip selects if booted from 2nd
* flash. Swapping chip selects presents user with a common memory
* map regardless of which flash was booted from.
*/
flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
if (flash_sel) {
set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
}
}
int board_early_init_r(void)
{
/* Initialize PCA9557 devices */
pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
flash_cs_fixup();
return 0;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = fsl_ddr_sdram();
#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_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_PCI
ft_board_pci_setup(blob, bd);
#endif
ft_cpu_setup(blob, bd);
}
#endif
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