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/common/fsl_8xxx_misc.c | |
parent | 33a08c10c78baf67e41cd03d5732ddc338e8c2e9 (diff) | |
parent | bfe18815e8123f4456be8b5858b2b255d7881698 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'board/xes/common/fsl_8xxx_misc.c')
-rw-r--r-- | board/xes/common/fsl_8xxx_misc.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/board/xes/common/fsl_8xxx_misc.c b/board/xes/common/fsl_8xxx_misc.c new file mode 100644 index 0000000000..b7fa6950b0 --- /dev/null +++ b/board/xes/common/fsl_8xxx_misc.c @@ -0,0 +1,62 @@ +/* + * Copyright 2008 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/mmu.h> +#ifdef CONFIG_PCA953X +#include <pca953x.h> + +/* + * Determine if a board's flashes are write protected + */ +int board_flash_wp_on(void) +{ + if (pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) & + CONFIG_SYS_PCA953X_NVM_WP) + return 1; + + return 0; +} +#endif + +/* + * Return a board's derivative model number. For example: + * return 2 for the XPedite5372 and return 1 for the XPedite5201. + */ +uint get_board_derivative(void) +{ +#if defined(CONFIG_MPC85xx) + volatile ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; +#elif defined(CONFIG_MPC86xx) + volatile immap_t *immap = (immap_t *)CONFIG_SYS_CCSRBAR; + volatile ccsr_gur_t *gur = &immap->im_gur; +#endif + + /* + * The top 4 lines of the local bus address are pulled low/high and + * can be read to determine the least significant digit of a board's + * model number. + */ + return gur->gpporcr >> 28; +} + + |