2 * Copyright 2008 Extreme Engineering Solutions, Inc.
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 * Determine if a board's flashes are write protected
31 int board_flash_wp_on(void)
33 if (pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
34 CONFIG_SYS_PCA953X_NVM_WP)
42 * Return a board's derivative model number. For example:
43 * return 2 for the XPedite5372 and return 1 for the XPedite5201.
45 uint get_board_derivative(void)
47 #if defined(CONFIG_MPC85xx)
48 volatile ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
49 #elif defined(CONFIG_MPC86xx)
50 volatile immap_t *immap = (immap_t *)CONFIG_SYS_CCSRBAR;
51 volatile ccsr_gur_t *gur = &immap->im_gur;
55 * The top 4 lines of the local bus address are pulled low/high and
56 * can be read to determine the least significant digit of a board's
59 return gur->gpporcr >> 28;