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
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.7 KiB
98 lines
2.7 KiB
/*
|
|
* Copyright 2010 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 <command.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/mmu.h>
|
|
#include <asm/immap_85xx.h>
|
|
#include <asm/fsl_pci.h>
|
|
#include <asm/io.h>
|
|
#include <asm/cache.h>
|
|
#include <libfdt.h>
|
|
#include <fdt_support.h>
|
|
#include <pca953x.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
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_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);
|
|
|
|
/*
|
|
* 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
|
|
|