|
|
@@ -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 */
|
wdenk