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authorAubrey Li <aubrey.adi@gmail.com>2007-03-20 18:16:24 +0800
committerAubrey Li <aubrey.adi@gmail.com>2007-03-20 18:16:24 +0800
commit654589873dbafcf104dff133ce0d03a4506e9cc3 (patch)
tree0a2ff21805cbcfe5078a245245b5318db587fb7c /board/bf561-ezkit/bf561-ezkit.c
parenta20e7106928a284a6d14c066c54b72e552075b06 (diff)
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[Blackfin][PATCH] Add BF561 EZKIT board support
Diffstat (limited to 'board/bf561-ezkit/bf561-ezkit.c')
-rw-r--r--board/bf561-ezkit/bf561-ezkit.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/board/bf561-ezkit/bf561-ezkit.c b/board/bf561-ezkit/bf561-ezkit.c
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+++ b/board/bf561-ezkit/bf561-ezkit.c
@@ -0,0 +1,73 @@
+/*
+ * U-boot - ezkit561.c
+ *
+ * Copyright (c) 2005 Bas Vermeulen <bas@buyways.nl>
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+int checkboard(void)
+{
+ printf("CPU: ADSP BF561\n");
+ printf("Board: ADI BF561 EZ-Kit Lite board\n");
+ printf(" Support: http://blackfin.uclinux.org/\n");
+ return 0;
+}
+
+long int initdram(int board_type)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+#ifdef DEBUG
+ int brate;
+ char *tmp = getenv("baudrate");
+ brate = simple_strtoul(tmp, NULL, 16);
+ printf("Serial Port initialized with Baud rate = %x\n", brate);
+ printf("SDRAM attributes:\n");
+ printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
+ "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
+ 3, 3, 6, 2, 3);
+ printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
+ printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
+#endif
+ gd->bd->bi_memstart = CFG_SDRAM_BASE;
+ gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
+ return CFG_MAX_RAM_SIZE;
+}
+
+#if defined(CONFIG_MISC_INIT_R)
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+ /* Keep PF12 low to be able to drive the USB-LAN Extender */
+ *pFIO0_DIR = 0x0000;
+ *pFIO0_FLAG_C = 0x1000; /* Clear PF12 */
+ sync();
+ *pFIO0_POLAR = 0x0000;
+ sync();
+
+ return 0;
+}
+#endif