mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
92af6549b8
Create a common checkboard() function to support all X-ES's Freescale boards. Also, add a get_board_derivative() function which reads hardware strapping resistors to determine what model a board is. This allows one U-Boot image to support multiple boards. Signed-off-by: John Schmoller <jschmoller@xes-inc.com> Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
|
|
* 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/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;
|
|
}
|
|
|
|
#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
|
|
|
|
#ifdef CONFIG_MP
|
|
extern void cpu_mp_lmb_reserve(struct lmb *lmb);
|
|
|
|
void board_lmb_reserve(struct lmb *lmb)
|
|
{
|
|
cpu_mp_lmb_reserve(lmb);
|
|
}
|
|
#endif
|