[people/ms/u-boot.git] / board / xes / common / fsl_8xxx_misc.c

/*
 * 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;
}
Commit	Line	Data
92af6549 JS	1	/*
	2	* Copyright 2008 Extreme Engineering Solutions, Inc.
	3	*
1a459660	4	* SPDX-License-Identifier: GPL-2.0+
92af6549 JS	5	*/
	6
	7	#include <common.h>
	8	#include <asm/mmu.h>
72fb68d5 JS	9	#ifdef CONFIG_PCA953X
	10	#include <pca953x.h>
	11
	12	/*
	13	* Determine if a board's flashes are write protected
	14	*/
	15	int board_flash_wp_on(void)
	16	{
	17	if (pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
	18	CONFIG_SYS_PCA953X_NVM_WP)
	19	return 1;
	20
	21	return 0;
	22	}
	23	#endif
92af6549 JS	24
	25	/*
	26	* Return a board's derivative model number. For example:
	27	* return 2 for the XPedite5372 and return 1 for the XPedite5201.
	28	*/
	29	uint get_board_derivative(void)
	30	{
	31	#if defined(CONFIG_MPC85xx)
	32	volatile ccsr_gur_t gur = (void )CONFIG_SYS_MPC85xx_GUTS_ADDR;
	33	#elif defined(CONFIG_MPC86xx)
	34	volatile immap_t immap = (immap_t )CONFIG_SYS_CCSRBAR;
	35	volatile ccsr_gur_t *gur = &immap->im_gur;
	36	#endif
	37
	38	/*
071bc923 WD	39	* The top 4 lines of the local bus address are pulled low/high and
	40	* can be read to determine the least significant digit of a board's
	41	* model number.
	42	*/
92af6549 JS	43	return gur->gpporcr >> 28;
92af6549 JS	44	}