[people/ms/u-boot.git] / board / cm-bf548 / cm-bf548.c

/*
 * U-boot - main board file
 *
 * Copyright (c) 2005-2008 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#include <common.h>
#include <config.h>
#include <command.h>
#include <asm/blackfin.h>

DECLARE_GLOBAL_DATA_PTR;

int checkboard(void)
{
	printf("Board: Bluetechnix CM-BF548 board\n");
	printf("       Support: http://www.bluetechnix.at/\n");
	return 0;
}

phys_size_t initdram(int board_type)
{
	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
	gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
	return gd->bd->bi_memsize;
}

int board_early_init_f(void)
{
	/* Port H: PH8 - PH13 == A4 - A9
	 * address lines of the parallel asynchronous memory interface
	 */

	/************************************************
	* configure GPIO 				*
	* set port H function enable register		*
	*  configure PH8-PH13 as peripheral (not GPIO) 	*
	*************************************************/
	bfin_write_PORTH_FER(0x3F03);

	/************************************************
	* set port H MUX to configure PH8-PH13		*
	*  1st Function (MUX = 00) (bits 16-27 == 0)	*
	*  Set to address signals A4-A9 		*
	*************************************************/
	bfin_write_PORTH_MUX(0);

	/************************************************
	* set port H direction register			*
	*  enable PH8-PH13 as outputs			*
	*************************************************/
	bfin_write_PORTH_DIR_SET(0x3F00);

	/* Port I: PI0 - PH14 == A10 - A24
	 * address lines of the parallel asynchronous memory interface
	 */

	/************************************************
	* set port I function enable register		*
	*  configure PI0-PI14 as peripheral (not GPIO) 	*
	*************************************************/
	bfin_write_PORTI_FER(0x7fff);

	/**************************************************
	* set PORT I MUX to configure PI14-PI0 as	  *
	* 1st Function (MUX=00) - address signals A10-A24 *
	***************************************************/
	bfin_write_PORTI_MUX(0);

	/****************************************
	* set PORT I direction register		*
	*  enable PI0 - PI14 as outputs		*
	*****************************************/
	bfin_write_PORTI_DIR_SET(0x7fff);

	return 0;
}
Commit	Line	Data
8b219cf0 MF	1	/*
	2	* U-boot - main board file
	3	*
	4	* Copyright (c) 2005-2008 Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
	9	#include <common.h>
	10	#include <config.h>
	11	#include <command.h>
	12	#include <asm/blackfin.h>
	13
	14	DECLARE_GLOBAL_DATA_PTR;
	15
	16	int checkboard(void)
	17	{
	18	printf("Board: Bluetechnix CM-BF548 board\n");
	19	printf(" Support: http://www.bluetechnix.at/\n");
	20	return 0;
	21	}
	22
	23	phys_size_t initdram(int board_type)
	24	{
	25	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
	26	gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
	27	return gd->bd->bi_memsize;
	28	}
	29
	30	int board_early_init_f(void)
	31	{
	32	/* Port H: PH8 - PH13 == A4 - A9
	33	* address lines of the parallel asynchronous memory interface
	34	*/
	35
	36	/************************************************
	37	* configure GPIO *
	38	* set port H function enable register *
	39	* configure PH8-PH13 as peripheral (not GPIO) *
	40	*************************************************/
	41	bfin_write_PORTH_FER(0x3F03);
	42
	43	/************************************************
	44	* set port H MUX to configure PH8-PH13 *
	45	* 1st Function (MUX = 00) (bits 16-27 == 0) *
	46	* Set to address signals A4-A9 *
	47	*************************************************/
	48	bfin_write_PORTH_MUX(0);
	49
	50	/************************************************
	51	* set port H direction register *
	52	* enable PH8-PH13 as outputs *
	53	*************************************************/
	54	bfin_write_PORTH_DIR_SET(0x3F00);
	55
	56	/* Port I: PI0 - PH14 == A10 - A24
	57	* address lines of the parallel asynchronous memory interface
	58	*/
	59
	60	/************************************************
	61	* set port I function enable register *
	62	* configure PI0-PI14 as peripheral (not GPIO) *
	63	*************************************************/
	64	bfin_write_PORTI_FER(0x7fff);
65
66	/**************************************************
67	* set PORT I MUX to configure PI14-PI0 as *
68	* 1st Function (MUX=00) - address signals A10-A24 *
69	***************************************************/
70	bfin_write_PORTI_MUX(0);
71
72	/****************************************
73	* set PORT I direction register *
74	* enable PI0 - PI14 as outputs *
75	*****************************************/
76	bfin_write_PORTI_DIR_SET(0x7fff);
77
78	return 0;
79	}