diff options
Diffstat (limited to 'board/cm-bf548/cm-bf548.c')
| -rw-r--r-- | board/cm-bf548/cm-bf548.c | 79 | 
1 files changed, 79 insertions, 0 deletions
| diff --git a/board/cm-bf548/cm-bf548.c b/board/cm-bf548/cm-bf548.c new file mode 100644 index 000000000..1c2660046 --- /dev/null +++ b/board/cm-bf548/cm-bf548.c @@ -0,0 +1,79 @@ +/* + * 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; +} |