Patch by Yuli Barcohen, 20 May 2004:

Add support for Interphase iSPAN boards.

4 files changed, 659 insertions, 0 deletions

diff --git a/board/ispan/Makefile b/board/ispan/Makefile
new file mode 100644
index 0000000..9123a80
--- /dev/null
+++ b/board/ispan/Makefile
@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.com>
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	:= $(BOARD).o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/ispan/config.mk b/board/ispan/config.mk
new file mode 100644
index 0000000..4600dbb
--- /dev/null
+++ b/board/ispan/config.mk
@@ -0,0 +1,29 @@
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.com>
+#
+# 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
+#
+
+#
+# Interphase iSPAN Communications Controllers
+#
+#TEXT_BASE = 0xFF800000
+#TEXT_BASE = 0xFFBA0000
+TEXT_BASE = 0xFE7A0000
diff --git a/board/ispan/ispan.c b/board/ispan/ispan.c
new file mode 100644
index 0000000..e41a7c4
--- /dev/null
+++ b/board/ispan/ispan.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright (C) 2004 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * Support for Interphase iSPAN Communications Controllers
+ * (453x and others). Tested on 4532.
+ *
+ * Derived from iSPAN 4539 port (iphase4539) by
+ * Wolfgang Grandegger <wg@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 <ioports.h>
+#include <mpc8260.h>
+#include <asm/io.h>
+
+/*
+ * I/O Ports configuration table
+ *
+ * If conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+#define CFG_FCC1 (CONFIG_ETHER_INDEX == 1)
+#define CFG_FCC2 (CONFIG_ETHER_INDEX == 2)
+#define CFG_FCC3 (CONFIG_ETHER_INDEX == 3)
+
+const iop_conf_t iop_conf_tab[4][32] = {
+    /* Port A */
+    {	/*	      conf      ppar psor pdir podr pdat */
+	/* PA31 */ { CFG_FCC1,   1,   1,   0,   0,   0 }, /* FCC1 MII COL   */
+	/* PA30 */ { CFG_FCC1,   1,   1,   0,   0,   0 }, /* FCC1 MII CRS   */
+	/* PA29 */ { CFG_FCC1,   1,   1,   1,   0,   0 }, /* FCC1 MII TX_ER */
+	/* PA28 */ { CFG_FCC1,   1,   1,   1,   0,   0 }, /* FCC1 MII TX_EN */
+	/* PA27 */ { CFG_FCC1,   1,   1,   0,   0,   0 }, /* FCC1 MII RX_DV */
+	/* PA26 */ { CFG_FCC1,   1,   1,   0,   0,   0 }, /* FCC1 MII RX_ER */
+	/* PA25 */ { 0,          0,   0,   0,   0,   0 }, /* PA25 */
+	/* PA24 */ { 0,          0,   0,   0,   0,   0 }, /* PA24 */
+	/* PA23 */ { 0,          0,   0,   0,   0,   0 }, /* PA23 */
+	/* PA22 */ { 0,          0,   0,   0,   0,   0 }, /* PA22 */
+	/* PA21 */ { CFG_FCC1,   1,   0,   1,   0,   0 }, /* FCC1 MII TxD[3] */
+	/* PA20 */ { CFG_FCC1,   1,   0,   1,   0,   0 }, /* FCC1 MII TxD[2] */
+	/* PA19 */ { CFG_FCC1,   1,   0,   1,   0,   0 }, /* FCC1 MII TxD[1] */
+	/* PA18 */ { CFG_FCC1,   1,   0,   1,   0,   0 }, /* FCC1 MII TxD[0] */
+	/* PA17 */ { CFG_FCC1,   1,   0,   0,   0,   0 }, /* FCC1 MII RxD[0] */
+	/* PA16 */ { CFG_FCC1,   1,   0,   0,   0,   0 }, /* FCC1 MII RxD[1] */
+	/* PA15 */ { CFG_FCC1,   1,   0,   0,   0,   0 }, /* FCC1 MII RxD[2] */
+	/* PA14 */ { CFG_FCC1,   1,   0,   0,   0,   0 }, /* FCC1 MII RxD[3] */
+	/* PA13 */ { 0,          0,   0,   0,   0,   0 }, /* PA13 */
+	/* PA12 */ { 0,          0,   0,   0,   0,   0 }, /* PA12 */
+	/* PA11 */ { 0,          0,   0,   0,   0,   0 }, /* PA11 */
+	/* PA10 */ { 0,          0,   0,   0,   0,   0 }, /* PA10 */
+	/* PA9  */ { 0,          1,   0,   1,   0,   0 }, /* SMC2 SMTXD */
+	/* PA8  */ { 0,          1,   0,   0,   0,   0 }, /* SMC2 SMRXD */
+	/* PA7  */ { 0,          0,   0,   0,   0,   0 }, /* PA7 */
+	/* PA6  */ { 0,          0,   0,   0,   0,   0 }, /* PA6 */
+	/* PA5  */ { 0,          0,   0,   0,   0,   0 }, /* PA5 */
+	/* PA4  */ { 0,          0,   0,   0,   0,   0 }, /* PA4 */
+	/* PA3  */ { 0,          0,   0,   0,   0,   0 }, /* PA3 */
+	/* PA2  */ { 0,          0,   0,   0,   0,   0 }, /* PA2 */
+	/* PA1  */ { 0,          0,   0,   0,   0,   0 }, /* PA1 */
+	/* PA0  */ { 0,          0,   0,   0,   0,   0 }  /* PA0 */
+    },
+
+    /* Port B */
+    {   /*	      conf      ppar psor pdir podr pdat */
+	/* PB31 */ { CFG_FCC2,   1,   0,   1,   0,   0 }, /* FCC2 MII TX_ER  */
+	/* PB30 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RX_DV  */
+	/* PB29 */ { CFG_FCC2,   1,   1,   1,   0,   0 }, /* FCC2 MII TX_EN  */
+	/* PB28 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RX_ER  */
+	/* PB27 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII COL    */
+	/* PB26 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII CRS    */
+	/* PB25 */ { CFG_FCC2,   1,   0,   1,   0,   0 }, /* FCC2 MII TxD[3] */
+	/* PB24 */ { CFG_FCC2,   1,   0,   1,   0,   0 }, /* FCC2 MII TxD[2] */
+	/* PB23 */ { CFG_FCC2,   1,   0,   1,   0,   0 }, /* FCC2 MII TxD[1] */
+	/* PB22 */ { CFG_FCC2,   1,   0,   1,   0,   0 }, /* FCC2 MII TxD[0] */
+	/* PB21 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RxD[0] */
+	/* PB20 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RxD[1] */
+	/* PB19 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RxD[2] */
+	/* PB18 */ { CFG_FCC2,   1,   0,   0,   0,   0 }, /* FCC2 MII RxD[3] */
+	/* PB17 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RX_DV  */
+	/* PB16 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RX_ER  */
+	/* PB15 */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TX_ER  */
+	/* PB14 */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TX_EN  */
+	/* PB13 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII COL    */
+	/* PB12 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII CRS    */
+	/* PB11 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RxD[3] */
+	/* PB10 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RxD[2] */
+	/* PB9  */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RxD[1] */
+	/* PB8  */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII RxD[0] */
+	/* PB7  */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TxD[0] */
+	/* PB6  */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TxD[1] */
+	/* PB5  */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TxD[2] */
+	/* PB4  */ { CFG_FCC3,   1,   0,   1,   0,   0 }, /* FCC3 MII TxD[3] */
+	/* PB3  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PB2  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PB1  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PB0  */ { 0,          0,   0,   0,   0,   0 }  /* pin doesn't exist */
+    },
+
+    /* Port C */
+    {   /*	      conf      ppar psor pdir podr pdat */
+	/* PC31 */ { 0,          0,   0,   0,   0,   0 }, /* PC31 */
+	/* PC30 */ { 0,          0,   0,   0,   0,   0 }, /* PC30 */
+	/* PC29 */ { 0,          0,   0,   0,   0,   0 }, /* PC29 */
+	/* PC28 */ { 0,          0,   0,   0,   0,   0 }, /* PC28 */
+	/* PC27 */ { 0,          0,   0,   0,   0,   0 }, /* PC27 */
+	/* PC26 */ { 0,          0,   0,   0,   0,   0 }, /* PC26 */
+	/* PC25 */ { 0,          0,   0,   0,   0,   0 }, /* PC25 */
+	/* PC24 */ { 0,          0,   0,   0,   0,   0 }, /* PC24 */
+	/* PC23 */ { 0,          0,   0,   0,   0,   0 }, /* PC23 */
+	/* PC22 */ { 0,          0,   0,   0,   0,   0 }, /* PC22 */
+	/* PC21 */ { 0,          0,   0,   0,   0,   0 }, /* PC21 */
+	/* PC20 */ { 0,          0,   0,   0,   0,   0 }, /* PC20 */
+	/* PC19 */ { 0,          0,   0,   0,   0,   0 }, /* PC19 */
+	/* PC18 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII Rx Clock (CLK14) */
+	/* PC17 */ { 0,          0,   0,   0,   0,   0 }, /* PC17 */
+	/* PC16 */ { CFG_FCC3,   1,   0,   0,   0,   0 }, /* FCC3 MII Tx Clock (CLK16) */
+	/* PC15 */ { 0,          0,   0,   0,   0,   0 }, /* PC15 */
+	/* PC14 */ { 0,          0,   0,   0,   0,   0 }, /* PC14 */
+	/* PC13 */ { 0,          0,   0,   0,   0,   0 }, /* PC13 */
+	/* PC12 */ { 0,          0,   0,   0,   0,   0 }, /* PC12 */
+	/* PC11 */ { 0,          0,   0,   0,   0,   0 }, /* PC11 */
+	/* PC10 */ { 0,          0,   0,   0,   0,   0 }, /* PC10 */
+	/* PC9  */ { 0,          0,   0,   0,   0,   0 }, /* PC9  */
+	/* PC8  */ { 0,          0,   0,   0,   0,   0 }, /* PC8  */
+	/* PC7  */ { 0,          0,   0,   0,   0,   0 }, /* PC7  */
+	/* PC6  */ { 0,          0,   0,   0,   0,   0 }, /* PC6  */
+	/* PC5  */ { 0,          0,   0,   0,   0,   0 }, /* PC5  */
+	/* PC4  */ { 0,          0,   0,   0,   0,   0 }, /* PC4  */
+	/* PC3  */ { 0,          0,   0,   0,   0,   0 }, /* PC3  */
+	/* PC2  */ { 0,          0,   0,   0,   0,   0 }, /* PC2  */
+	/* PC1  */ { 0,          0,   0,   0,   0,   0 }, /* PC1  */
+	/* PC0  */ { 0,          0,   0,   0,   0,   0 }  /* PC0  */
+    },
+
+    /* Port D */
+    {   /*	      conf      ppar psor pdir podr pdat */
+	/* PD31 */ { 0,          0,   0,   0,   0,   0 }, /* PD31 */
+	/* PD30 */ { 0,          0,   0,   0,   0,   0 }, /* PD30 */
+	/* PD29 */ { 0,          0,   0,   0,   0,   0 }, /* PD29 */
+	/* PD28 */ { 0,          0,   0,   0,   0,   0 }, /* PD28 */
+	/* PD27 */ { 0,          0,   0,   0,   0,   0 }, /* PD27 */
+	/* PD26 */ { 0,          0,   0,   0,   0,   0 }, /* PD26 */
+	/* PD25 */ { 0,          0,   0,   0,   0,   0 }, /* PD25 */
+	/* PD24 */ { 0,          0,   0,   0,   0,   0 }, /* PD24 */
+	/* PD23 */ { 0,          0,   0,   0,   0,   0 }, /* PD23 */
+	/* PD22 */ { 0,          0,   0,   0,   0,   0 }, /* PD22 */
+	/* PD21 */ { 0,          0,   0,   0,   0,   0 }, /* PD21 */
+	/* PD20 */ { 0,          0,   0,   0,   0,   0 }, /* PD20 */
+	/* PD19 */ { 0,          0,   0,   0,   0,   0 }, /* PD19 */
+	/* PD18 */ { 0,          1,   1,   0,   0,   0 }, /* SPICLK  */
+	/* PD17 */ { 0,          1,   1,   0,   0,   0 }, /* SPIMOSI */
+	/* PD16 */ { 0,          1,   1,   0,   0,   0 }, /* SPIMISO */
+	/* PD15 */ { 0,          1,   1,   0,   1,   0 }, /* I2C SDA */
+	/* PD14 */ { 0,          1,   1,   0,   1,   0 }, /* I2C SCL */
+	/* PD13 */ { 1,          0,   0,   0,   0,   0 }, /* MII MDIO */
+	/* PD12 */ { 1,          0,   0,   1,   0,   0 }, /* MII MDC  */
+	/* PD11 */ { 0,          0,   0,   0,   0,   0 }, /* PD11 */
+	/* PD10 */ { 0,          0,   0,   0,   0,   0 }, /* PD10 */
+	/* PD9  */ { 1,          1,   0,   1,   0,   0 }, /* SMC1 SMTXD */
+	/* PD8  */ { 1,          1,   0,   0,   0,   0 }, /* SMC1 SMRXD */
+	/* PD7  */ { 0,          0,   0,   0,   0,   0 }, /* PD7 */
+	/* PD6  */ { CFG_FCC3,   0,   0,   1,   0,   1 }, /* MII PHY Reset  */
+	/* PD5  */ { CFG_FCC3,   0,   0,   1,   0,   0 }, /* MII PHY Enable */
+	/* PD4  */ { 0,          0,   0,   0,   0,   0 }, /* PD4 */
+	/* PD3  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PD2  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PD1  */ { 0,          0,   0,   0,   0,   0 }, /* pin doesn't exist */
+	/* PD0  */ { 0,          0,   0,   0,   0,   0 }  /* pin doesn't exist */
+    }
+};
+
+#define PSPAN_ADDR      0xF0020000
+#define EEPROM_REG      0x408
+#define EEPROM_READ_CMD 0xA000
+#define PSPAN_WRITE(a,v) \
+    *((volatile unsigned long *)(PSPAN_ADDR+(a))) = v; eieio()
+#define PSPAN_READ(a) \
+    *((volatile unsigned long *)(PSPAN_ADDR+(a)))
+
+static int seeprom_read (int addr, uchar * data, int size)
+{
+	ulong val, cmd;
+	int i;
+
+	for (i = 0; i < size; i++) {
+
+		cmd = EEPROM_READ_CMD;
+		cmd |= ((addr + i) << 24) & 0xff000000;
+
+		/* Wait for ACT to authorize write */
+		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
+			eieio ();
+
+		/* Write command */
+		PSPAN_WRITE (EEPROM_REG, cmd);
+
+		/* Wait for data to be valid */
+		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
+			eieio ();
+		/* Do it twice, first read might be erratic */
+		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
+			eieio ();
+
+		/* Read error */
+		if (val & 0x00000040) {
+			return -1;
+		} else {
+			data[i] = (val >> 16) & 0xff;
+		}
+	}
+	return 0;
+}
+
+/***************************************************************
+ * We take some basic Hardware Configuration Parameter from the
+ * Serial EEPROM conected to the PSpan bridge. We keep it as
+ * simple as possible.
+ */
+static int hwc_flash_size (void)
+{
+	uchar byte;
+
+	if (!seeprom_read (0x40, &byte, sizeof (byte))) {
+		switch ((byte >> 2) & 0x3) {
+		case 0x1:
+			return 0x0400000;
+			break;
+		case 0x2:
+			return 0x0800000;
+			break;
+		case 0x3:
+			return 0x1000000;
+		default:
+			return 0x0100000;
+		}
+	}
+	return -1;
+}
+
+static int hwc_local_sdram_size (void)
+{
+	uchar byte;
+
+	if (!seeprom_read (0x40, &byte, sizeof (byte))) {
+		switch ((byte & 0x03)) {
+		case 0x1:
+			return 0x0800000;
+		case 0x2:
+			return 0x1000000;
+		default:
+			return 0;			/* not present */
+		}
+	}
+	return -1;
+}
+
+static int hwc_main_sdram_size (void)
+{
+	uchar byte;
+
+	if (!seeprom_read (0x41, &byte, sizeof (byte))) {
+		return 0x1000000 << ((byte >> 5) & 0x7);
+	}
+	return -1;
+}
+
+static int hwc_serial_number (void)
+{
+	int sn = -1;
+
+	if (!seeprom_read (0xa0, (char *) &sn, sizeof (sn))) {
+		sn = cpu_to_le32 (sn);
+	}
+	return sn;
+}
+
+static int hwc_mac_address (char *str)
+{
+	char mac[6];
+
+	if (!seeprom_read (0xb0, mac, sizeof (mac))) {
+		sprintf (str, "%02X:%02X:%02X:%02X:%02X:%02X",
+				 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	} else {
+		strcpy (str, "ERROR");
+		return -1;
+	}
+	return 0;
+}
+
+static int hwc_manufact_date (char *str)
+{
+	uchar byte;
+	int value;
+
+	if (seeprom_read (0x92, &byte, sizeof (byte)))
+		goto out;
+	value = byte;
+	if (seeprom_read (0x93, &byte, sizeof (byte)))
+		goto out;
+	value += byte << 8;
+	sprintf (str, "%02d/%02d/%04d",
+			 value & 0x1F, (value >> 5) & 0xF,
+			 1980 + ((value >> 9) & 0x1FF));
+	return 0;
+
+out:
+	strcpy (str, "ERROR");
+	return -1;
+}
+
+static int hwc_board_type (char **str)
+{
+	ushort id = 0;
+
+	if (seeprom_read (7, (uchar *) & id, sizeof (id)) == 0) {
+		switch (id) {
+		case 0x9080:
+			*str = "4532-002";
+			break;
+		case 0x9081:
+			*str = "4532-001";
+			break;
+		case 0x9082:
+			*str = "4532-000";
+			break;
+		default:
+			*str = "Unknown";
+		}
+	} else {
+		*str = "Unknown";
+	}
+
+	return id;
+}
+
+long int initdram (int board_type)
+{
+	long maxsize = hwc_main_sdram_size();
+
+#if !defined(CFG_RAMBOOT) && !defined(CFG_USE_FIRMWARE)
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8260_t *memctl = &immap->im_memctl;
+	volatile uchar *base;
+	int i;
+
+	immap->im_siu_conf.sc_ppc_acr  = 0x00000026;
+	immap->im_siu_conf.sc_ppc_alrh = 0x01276345;
+	immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF;
+	immap->im_siu_conf.sc_lcl_acr  = 0x00000000;
+	immap->im_siu_conf.sc_lcl_alrh = 0x01234567;
+	immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF;
+	immap->im_siu_conf.sc_tescr1   = 0x00004000;
+	immap->im_siu_conf.sc_ltescr1  = 0x00004000;
+
+	memctl->memc_mptpr = CFG_MPTPR;
+
+	/* Initialise 60x bus SDRAM */
+	base = (uchar *)(CFG_SDRAM_BASE | 0x110);
+	memctl->memc_psrt  = CFG_PSRT;
+	memctl->memc_or1   = CFG_60x_OR;
+	memctl->memc_br1   = CFG_SDRAM_BASE | CFG_60x_BR;
+
+	memctl->memc_psdmr = CFG_PSDMR | 0x28000000;
+	*base = 0xFF;
+	memctl->memc_psdmr = CFG_PSDMR | 0x08000000;
+	for (i = 0; i < 8; i++)
+		*base = 0xFF;
+	memctl->memc_psdmr = CFG_PSDMR | 0x18000000;
+	*base = 0xFF;
+	memctl->memc_psdmr = CFG_PSDMR | 0x40000000;
+
+	/* Initialise local bus SDRAM */
+	base = (uchar *)CFG_LSDRAM_BASE;
+	memctl->memc_lsrt  = CFG_LSRT;
+	memctl->memc_or2   = CFG_LOC_OR;
+	memctl->memc_br2   = CFG_LSDRAM_BASE | CFG_LOC_BR;
+
+	memctl->memc_lsdmr = CFG_LSDMR | 0x28000000;
+	*base = 0xFF;
+	memctl->memc_lsdmr = CFG_LSDMR | 0x08000000;
+	for (i = 0; i < 8; i++)
+		*base = 0xFF;
+	memctl->memc_lsdmr = CFG_LSDMR | 0x18000000;
+	*base = 0xFF;
+	memctl->memc_lsdmr = CFG_LSDMR | 0x40000000;
+
+	/* We must be able to test a location outsize the maximum legal size
+	 * to find out THAT we are outside; but this address still has to be
+	 * mapped by the controller. That means, that the initial mapping has
+	 * to be (at least) twice as large as the maximum expected size.
+	 */
+	maxsize = (~(memctl->memc_or1 & BRx_BA_MSK) + 1) / 2;
+
+	maxsize = get_ram_size((long *)(memctl->memc_br1 & BRx_BA_MSK), maxsize);
+
+	memctl->memc_or1 |= ~(maxsize - 1);
+
+	if (maxsize != hwc_main_sdram_size())
+		puts("Oops: memory test has not found all memory!\n");
+#endif /* !CFG_RAMBOOT && !CFG_USE_FIRMWARE */
+
+	/* Return total RAM size (size of 60x SDRAM) */
+	return maxsize;
+}
+
+int checkboard(void)
+{
+	char string[32], *id;
+
+	hwc_manufact_date(string);
+	hwc_board_type(&id);
+	printf("Board: Interphase iSPAN %s (#%d %s)\n",
+	       id, hwc_serial_number(), string);
+#ifdef DEBUG
+	printf("Manufacturing date: %s\n", string);
+	printf("Serial number     : %d\n", hwc_serial_number());
+	printf("FLASH size        : %d MB\n", hwc_flash_size() >> 20);
+	printf("Main SDRAM size   : %d MB\n", hwc_main_sdram_size() >> 20);
+	printf("Local SDRAM size  : %d MB\n", hwc_local_sdram_size() >> 20);
+	hwc_mac_address(string);
+	printf("MAC address       : %s\n", string);
+#endif
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	char *s, str[32];
+	int num;
+
+	if ((s = getenv("serial#")) == NULL &&
+	    (num = hwc_serial_number()) != -1) {
+		sprintf(str, "%06d", num);
+		setenv("serial#", str);
+	}
+	if ((s = getenv("ethaddr")) == NULL && hwc_mac_address(str) == 0) {
+		setenv("ethaddr", str);
+	}
+
+	return 0;
+}
diff --git a/board/ispan/u-boot.lds b/board/ispan/u-boot.lds
new file mode 100644
index 0000000..098c046
--- /dev/null
+++ b/board/ispan/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2001-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Modified by Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    cpu/mpc8260/start.o	(.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+    . = ALIGN(16);
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x0FFF) & 0xFFFFF000;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(4096);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(4096);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
+ENTRY(_start)