diff options
author | Wolfgang Denk <wd@denx.de> | 2010-10-23 21:59:42 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-10-23 21:59:42 +0200 |
commit | f2b382ea066d02d5ba44870024cc1295e85782ef (patch) | |
tree | 9891424412f40e0bbe3cb64d022597bffa301b50 /board/xes/xpedite520x/xpedite520x.c | |
parent | 33a08c10c78baf67e41cd03d5732ddc338e8c2e9 (diff) | |
parent | bfe18815e8123f4456be8b5858b2b255d7881698 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'board/xes/xpedite520x/xpedite520x.c')
-rw-r--r-- | board/xes/xpedite520x/xpedite520x.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/board/xes/xpedite520x/xpedite520x.c b/board/xes/xpedite520x/xpedite520x.c new file mode 100644 index 0000000000..dc5c965114 --- /dev/null +++ b/board/xes/xpedite520x/xpedite520x.c @@ -0,0 +1,96 @@ +/* + * 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 |