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authorwdenk <wdenk>2002-09-14 19:10:04 +0000
committerwdenk <wdenk>2002-09-14 19:10:04 +0000
commitd8a555f2bb533357bd9775fbef7b6d2b33aa1253 (patch)
treebb9f8c70b7dc7ba32ffedf2f94b9b3cfe7546a7e
parent7133d4c4f13ba4228ac8fd1a10ee47fffc5204f7 (diff)
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Initial revision
-rw-r--r--board/smdk2400/smdk2400.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/board/smdk2400/smdk2400.c b/board/smdk2400/smdk2400.c
new file mode 100644
index 0000000..2b61b2d
--- /dev/null
+++ b/board/smdk2400/smdk2400.c
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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 <s3c2400.h>
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int key_pressed(void);
+int mdm_init (bd_t *);
+extern void disable_putc(void);
+extern void enable_putc(void);
+extern int hwflow_onoff(int);
+extern int do_mdm_init; /* defined in common/main.c */
+#endif /* CONFIG_MODEM_SUPPORT */
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* change the clock to be 50 MHz 1:1:1 */
+ rMPLLCON = 0x5c042;
+ rCLKDIVN = 0;
+ /* set up the I/O ports */
+ rPACON = 0x3ffff;
+ rPBCON = 0xaaaaaaaa;
+ rPBUP = 0xffff;
+ rPECON = 0x0;
+ rPEUP = 0x0;
+#ifdef CONFIG_HWFLOW
+ /*CTS[0] RTS[0] INPUT INPUT TXD[0] INPUT RXD[0] */
+ /* 10, 10, 00, 00, 10, 00, 10 */
+ rPFCON=0xa22;
+ /* Disable pull-up on Rx, Tx, CTS and RTS pins */
+ rPFUP=0x35;
+#else
+ /*INPUT INPUT INPUT INPUT TXD[0] INPUT RXD[0] */
+ /* 00, 00, 00, 00, 10, 00, 10 */
+ rPFCON = 0x22;
+ /* Disable pull-up on Rx and Tx pins */
+ rPFUP = 0x5;
+#endif /* CONFIG_HWFLOW */
+ rPGCON = 0x0;
+ rPGUP = 0x0;
+ rOPENCR = 0x0;
+
+ /* arch number of SAMSUNG-Board to MACH_TYPE_SMDK2400 */
+ gd->bd->bi_arch_number = 145;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x0C000100;
+
+#ifdef CONFIG_MODEM_SUPPORT
+ if (key_pressed()) {
+ disable_putc(); /* modem doesn't understand banner etc */
+ do_mdm_init = 1;
+ }
+#endif /* CONFIG_MODEM_SUPPORT */
+
+ return 0;
+}
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int key_pressed(void)
+{
+ int rc;
+ if (1) { /* check for button push here, now just return 1 */
+ rc = 1;
+ }
+
+ return rc;
+}
+#endif /* CONFIG_MODEM_SUPPORT */