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/*
* Copyright 2008 Extreme Engineering Solutions, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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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