Add missing board/dave/B2/B2.c file.

2024-11-25 21:24:21 +08:00 · 2004-02-24 02:01:43 +00:00 · 2004-02-24 02:01:43 +00:00 · 5cfbab3d82
commit 5cfbab3d82
parent cbd8a35c6d
1 changed files with 128 additions and 0 deletions
--- a/board/dave/B2/B2.c
+++ b/board/dave/B2/B2.c
@ -0,0 +1,128 @@
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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/hardware.h>
+
+/*
+ * Miscelaneous platform dependent initialization
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	u32 temp;
+
+	/* Configuration Port Control Register*/
+	/* Port A */
+	PCONA = 0x3ff;
+
+	/* Port B */
+	PCONB = 0xff;
+	PDATB = 0xFFFF;
+
+	/* Port C */
+	/*
+	PCONC = 0xff55ff15;
+	PDATC = 0x0;
+	PUPC = 0xffff;
+	*/
+
+	/* Port D */
+	/*
+	PCOND = 0xaaaa;
+	PUPD = 0xff;
+	*/
+
+	/* Port E */
+	PCONE = 0x0001aaa9;
+	PDATE = 0x0;
+	PUPE = 0xff;
+
+	/* Port F */
+	PCONF = 0x124955;
+	PDATF  = 0xff; /* B2-eth_reset tied high level */
+	/*
+	PUPF = 0x1e3;
+	*/
+
+	/* Port G */
+	PUPG = 0x1;
+	PCONG = 0x3; /*PG0= EINT0= ETH_INT prepared for linux kernel*/
+
+	INTMSK = 0x03fffeff;
+	INTCON = 0x05;
+
+    /*
+    	Configure chip ethernet interrupt as High level
+    	Port G EINT 0-7 EINT0 -> CHIP ETHERNET
+    */
+	temp = EXTINT;
+   	temp &= ~0x7;
+    temp |= 0x1; /*LEVEL_HIGH*/
+	EXTINT = temp;
+
+    /*
+    	Reset SMSC LAN91C96 chip
+    */
+    temp= PCONF;
+    temp |= 0x00000040;
+    PCONF = temp;
+
+	/* Reset high */
+    temp = PDATF;
+    temp |= (1 << 3);
+    PDATF = temp;
+
+    /* Short delay */
+    for (temp=0;temp<10;temp++)
+    {
+		/* NOP */
+    }
+
+    /* Reset low */
+    temp = PDATF;
+    temp &= ~(1 << 3);
+    PDATF = temp;
+
+	/* arch number MACH_TYPE_MBA44B0 */
+	gd->bd->bi_arch_number = 178;
+
+	/* location of boot parameters */
+	gd->bd->bi_boot_params = 0x0c000100;
+
+	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);
+}