Blackfin: cm-bf548: new board port

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

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 0000000..1c26600
--- /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;
+}