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/*
* Copyright 2008 Extreme Engineering Solutions, Inc.
* Copyright 2004, 2007 Freescale Semiconductor, 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 <command.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_pci.h>
#include <asm/io.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <pca953x.h>
extern void ft_board_pci_setup(void *blob, bd_t *bd);
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_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);
/*
* Remap NOR flash region to caching-inhibited
* so that flash can be erased/programmed properly.
*/
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
/* Invalidate existing TLB entry for NOR flash */
disable_tlb(0);
set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
(CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_256M, 1);
flash_cs_fixup();
return 0;
}
#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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