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/*
* 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;
}
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