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/*
* 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;
}
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