ARM: Fix for wrong patch version applied for Lyrtech SFF-SDR board (ARM926EJS)

ARM: Fix for incorrect version of patch applied when
adding support for the Lyrtech SFF-SDR board.

Signed-off-by: Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
Signed-off-by: Philip Balister, OpenSDR <philip@opensdr.com>

6 files changed, 342 insertions, 267 deletions

diff --git a/CREDITS b/CREDITS
index aa57682..3b6e57d 100644
--- a/CREDITS
+++ b/CREDITS
@@ -537,3 +537,8 @@ N: Timo Tuunainen
 E: timo.tuunainen@sysart.fi
 D: Support for Artila M-501 starter kit
 W: http://www.sysart.fi/
+
+N: Philip Balister
+E: philip@opensdr.com
+D: Port to Lyrtech SFFSDR development board.
+W: www.opensdr.com
diff --git a/board/davinci/sffsdr/Makefile b/board/davinci/sffsdr/Makefile
index 579efe2..fb31ee4 100644
--- a/board/davinci/sffsdr/Makefile
+++ b/board/davinci/sffsdr/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= dv_board.o
+COBJS	:= $(BOARD).o
 SOBJS	:= board_init.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/board/davinci/sffsdr/config.mk b/board/davinci/sffsdr/config.mk
index e8a329c..f3b23d1 100644
--- a/board/davinci/sffsdr/config.mk
+++ b/board/davinci/sffsdr/config.mk
@@ -3,8 +3,10 @@
 # Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
 # David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
 #
+# Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+# Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
+#
 # Lyrtech SFF SDR board (ARM926EJS) cpu
-# see http://www.lyrtech.com/ for more information on Lyrtech
 #
 # SFF SDR board has 1 bank of 128 MB DDR RAM
 # Physical Address:
@@ -16,9 +18,6 @@
 # Integrity kernel is expected to be at 8000'0000, entry 8000'00D0,
 # up to 81FF'FFFF (uses up to 32 MB of memory for text, heap, etc).
 #
-# we load ourself to 8400'0000
-#
-#
-
-# Provide at least 32MB spacing between us and the Integrity kernel image
+# we load ourself to 8400'0000 to provide at least 32MB spacing
+# between us and the Integrity kernel image
 TEXT_BASE = 0x84000000
diff --git a/board/davinci/sffsdr/dv_board.c b/board/davinci/sffsdr/dv_board.c
deleted file mode 100644
index 0771b5b..0000000
--- a/board/davinci/sffsdr/dv_board.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * Parts are shamelessly stolen from various TI sources, original copyright
- * follows:
- * -----------------------------------------------------------------
- *
- * Copyright (C) 2004 Texas Instruments.
- *
- * ----------------------------------------------------------------------------
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- * ----------------------------------------------------------------------------
- */
-
-#include <common.h>
-#include <i2c.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/emac_defs.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-extern void	timer_init(void);
-extern int	eth_hw_init(void);
-extern phy_t	phy;
-
-
-/* Works on Always On power domain only (no PD argument) */
-void lpsc_on(unsigned int id)
-{
-	dv_reg_p	mdstat, mdctl;
-
-	if (id >= DAVINCI_LPSC_GEM)
-		return;			/* Don't work on DSP Power Domain */
-
-	mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
-	mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
-
-	while (REG(PSC_PTSTAT) & 0x01);
-
-	if ((*mdstat & 0x1f) == 0x03)
-		return;			/* Already on and enabled */
-
-	*mdctl |= 0x03;
-
-	/* Special treatment for some modules as for sprue14 p.7.4.2 */
-	if ((id == DAVINCI_LPSC_VPSSSLV) ||
-	    (id == DAVINCI_LPSC_EMAC) ||
-	    (id == DAVINCI_LPSC_EMAC_WRAPPER) ||
-	    (id == DAVINCI_LPSC_MDIO) ||
-	    (id == DAVINCI_LPSC_USB) ||
-	    (id == DAVINCI_LPSC_ATA) ||
-	    (id == DAVINCI_LPSC_VLYNQ) ||
-	    (id == DAVINCI_LPSC_UHPI) ||
-	    (id == DAVINCI_LPSC_DDR_EMIF) ||
-	    (id == DAVINCI_LPSC_AEMIF) ||
-	    (id == DAVINCI_LPSC_MMC_SD) ||
-	    (id == DAVINCI_LPSC_MEMSTICK) ||
-	    (id == DAVINCI_LPSC_McBSP) ||
-	    (id == DAVINCI_LPSC_GPIO))
-		* mdctl |= 0x200;
-
-	REG(PSC_PTCMD) = 0x01;
-
-	while (REG(PSC_PTSTAT) & 0x03);
-	while ((*mdstat & 0x1f) != 0x03);	/* Probably an overkill... */
-}
-
-void dsp_on(void)
-{
-	int	i;
-
-	if (REG(PSC_PDSTAT1) & 0x1f)
-		return;			/* Already on */
-
-	REG(PSC_GBLCTL) |= 0x01;
-	REG(PSC_PDCTL1) |= 0x01;
-	REG(PSC_PDCTL1) &= ~0x100;
-	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
-	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
-	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
-	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
-	REG(PSC_PTCMD) = 0x02;
-
-	for (i = 0; i < 100; i++) {
-		if (REG(PSC_EPCPR) & 0x02)
-			break;
-	}
-
-	REG(PSC_CHP_SHRTSW) = 0x01;
-	REG(PSC_PDCTL1) |= 0x100;
-	REG(PSC_EPCCR) = 0x02;
-
-	for (i = 0; i < 100; i++) {
-		if (!(REG(PSC_PTSTAT) & 0x02))
-			break;
-	}
-
-	REG(PSC_GBLCTL) &= ~0x1f;
-}
-
-
-int board_init(void)
-{
-	/* arch number of the board */
-	gd->bd->bi_arch_number = MACH_TYPE_SFFSDR;
-
-	/* address of boot parameters */
-	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
-
-	/* Workaround for TMS320DM6446 errata 1.3.22 */
-	REG(PSC_SILVER_BULLET) = 0;
-
-	/* Power on required peripherals */
-	lpsc_on(DAVINCI_LPSC_EMAC);
-	lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
-	lpsc_on(DAVINCI_LPSC_MDIO);
-	lpsc_on(DAVINCI_LPSC_I2C);
-	lpsc_on(DAVINCI_LPSC_UART0);
-	lpsc_on(DAVINCI_LPSC_TIMER1);
-	lpsc_on(DAVINCI_LPSC_GPIO);
-
-	/* Powerup the DSP */
-	dsp_on();
-
-	/* Bringup UART0 out of reset */
-	REG(UART0_PWREMU_MGMT) = 0x0000e003;
-
-	/* Enable GIO3.3V cells used for EMAC */
-	REG(VDD3P3V_PWDN) = 0;
-
-	/* Enable UART0 MUX lines */
-	REG(PINMUX1) |= 1;
-
-	/* Enable EMAC and AEMIF pins */
-	REG(PINMUX0) = 0x80000c1f;
-
-	/* Enable I2C pin Mux */
-	REG(PINMUX1) |= (1 << 7);
-
-	/* Set the Bus Priority Register to appropriate value */
-	REG(VBPR) = 0x20;
-
-	timer_init();
-
-	return(0);
-}
-
-int misc_init_r(void)
-{
-	u_int8_t	tmp[20], buf[10];
-	int		i = 0;
-	int		clk = 0;
-
-	clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
-
-	printf("ARM Clock: %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27) / 2);
-	printf("DDR Clock: %dMHz\n", (clk / 2));
-
-	/* Configure I2C switch (PCA9543) to enable channel 0. */
-	tmp[0] = CFG_I2C_PCA9543_ENABLE_CH0;
-	if (i2c_write(CFG_I2C_PCA9543_ADDR, 0,
-		     CFG_I2C_PCA9543_ADDR_LEN, tmp, 1))
-		printf("Write to MUX @ 0x%02x failed\n", CFG_I2C_PCA9543_ADDR);
-
-	/* Set Ethernet MAC address from EEPROM.
-	 * We must read 8 bytes because data is stored in little-endian. */
-	if (i2c_read(CFG_I2C_EEPROM_ADDR, 0x05A8,
-		     CFG_I2C_EEPROM_ADDR_LEN, buf, 8)) {
-		printf("Read from EEPROM @ 0x%02x failed\n",
-		       CFG_I2C_EEPROM_ADDR);
-	} else {
-		tmp[0] = 0xff;
-		for (i = 0; i < 6; i++)
-			tmp[0] &= buf[i];
-
-		if ((tmp[0] != 0xff) && (getenv("ethaddr") == NULL)) {
-			sprintf((char *)&tmp[0],
-				"%02x:%02x:%02x:%02x:%02x:%02x",
-				buf[3], buf[2], buf[1], buf[0],
-				buf[7], buf[6]);
-			setenv("ethaddr", (char *)&tmp[0]);
-		}
-	}
-
-	if (!eth_hw_init()) {
-		printf("Ethernet init failed\n");
-	} else {
-		printf("ETH PHY: %s\n", phy.name);
-	}
-
-	return(0);
-}
-
-int dram_init(void)
-{
-	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
-	return(0);
-}
diff --git a/board/davinci/sffsdr/sffsdr.c b/board/davinci/sffsdr/sffsdr.c
new file mode 100644
index 0000000..b73484a
--- /dev/null
+++ b/board/davinci/sffsdr/sffsdr.c
@@ -0,0 +1,310 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
+ *
+ * Parts are shamelessly stolen from various TI sources, original copyright
+ * follows:
+ *
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emac_defs.h>
+
+#define DAVINCI_A3CR     (0x01E00014)	/* EMIF-A CS3 config register. */
+#define DAVINCI_A3CR_VAL (0x3FFFFFFD)	/* EMIF-A CS3 value for FPGA. */
+
+#define INTEGRITY_SYSCFG_OFFSET    0x7E8
+#define INTEGRITY_CHECKWORD_OFFSET 0x7F8
+#define INTEGRITY_CHECKWORD_VALUE  0x10ADBEEF
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern void timer_init(void);
+extern int eth_hw_init(void);
+extern phy_t phy;
+
+
+/* Works on Always On power domain only (no PD argument) */
+void lpsc_on(unsigned int id)
+{
+	dv_reg_p mdstat, mdctl;
+
+	if (id >= DAVINCI_LPSC_GEM)
+		return;			/* Don't work on DSP Power Domain */
+
+	mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
+	mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
+
+	while (REG(PSC_PTSTAT) & 0x01);
+
+	if ((*mdstat & 0x1f) == 0x03)
+		return;			/* Already on and enabled */
+
+	*mdctl |= 0x03;
+
+	/* Special treatment for some modules as for sprue14 p.7.4.2 */
+	switch (id) {
+	case DAVINCI_LPSC_VPSSSLV:
+	case DAVINCI_LPSC_EMAC:
+	case DAVINCI_LPSC_EMAC_WRAPPER:
+	case DAVINCI_LPSC_MDIO:
+	case DAVINCI_LPSC_USB:
+	case DAVINCI_LPSC_ATA:
+	case DAVINCI_LPSC_VLYNQ:
+	case DAVINCI_LPSC_UHPI:
+	case DAVINCI_LPSC_DDR_EMIF:
+	case DAVINCI_LPSC_AEMIF:
+	case DAVINCI_LPSC_MMC_SD:
+	case DAVINCI_LPSC_MEMSTICK:
+	case DAVINCI_LPSC_McBSP:
+	case DAVINCI_LPSC_GPIO:
+		*mdctl |= 0x200;
+		break;
+	}
+
+	REG(PSC_PTCMD) = 0x01;
+
+	while (REG(PSC_PTSTAT) & 0x03);
+	while ((*mdstat & 0x1f) != 0x03);	/* Probably an overkill... */
+}
+
+#if !defined(CFG_USE_DSPLINK)
+void dsp_on(void)
+{
+	int i;
+
+	if (REG(PSC_PDSTAT1) & 0x1f)
+		return;			/* Already on */
+
+	REG(PSC_GBLCTL) |= 0x01;
+	REG(PSC_PDCTL1) |= 0x01;
+	REG(PSC_PDCTL1) &= ~0x100;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
+	REG(PSC_PTCMD) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (REG(PSC_EPCPR) & 0x02)
+			break;
+	}
+
+	REG(PSC_CHP_SHRTSW) = 0x01;
+	REG(PSC_PDCTL1) |= 0x100;
+	REG(PSC_EPCCR) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (!(REG(PSC_PTSTAT) & 0x02))
+			break;
+	}
+
+	REG(PSC_GBLCTL) &= ~0x1f;
+}
+#endif /* CFG_USE_DSPLINK */
+
+int board_init(void)
+{
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_SFFSDR;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/* Workaround for TMS320DM6446 errata 1.3.22 */
+	REG(PSC_SILVER_BULLET) = 0;
+
+	/* Power on required peripherals */
+	lpsc_on(DAVINCI_LPSC_EMAC);
+	lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
+	lpsc_on(DAVINCI_LPSC_MDIO);
+	lpsc_on(DAVINCI_LPSC_I2C);
+	lpsc_on(DAVINCI_LPSC_UART0);
+	lpsc_on(DAVINCI_LPSC_TIMER1);
+	lpsc_on(DAVINCI_LPSC_GPIO);
+
+#if !defined(CFG_USE_DSPLINK)
+	/* Powerup the DSP */
+	dsp_on();
+#endif /* CFG_USE_DSPLINK */
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x0000e003;
+
+	/* Enable GIO3.3V cells used for EMAC */
+	REG(VDD3P3V_PWDN) = 0;
+
+	/* Enable UART0 MUX lines */
+	REG(PINMUX1) |= 1;
+
+	/* Enable EMAC and AEMIF pins */
+	REG(PINMUX0) = 0x80000c1f;
+
+	/* Enable I2C pin Mux */
+	REG(PINMUX1) |= (1 << 7);
+
+	/* Set the Bus Priority Register to appropriate value */
+	REG(VBPR) = 0x20;
+
+	timer_init();
+
+	return(0);
+}
+
+/* Read ethernet MAC address from Integrity data structure inside EEPROM. */
+int read_mac_address(uint8_t *buf)
+{
+	u_int32_t value, mac[2], address;
+
+	/* Read Integrity data structure checkword. */
+	if (i2c_read(CFG_I2C_EEPROM_ADDR, INTEGRITY_CHECKWORD_OFFSET,
+		     CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &value, 4))
+		goto err;
+	if (value != INTEGRITY_CHECKWORD_VALUE)
+		return 1;
+
+	/* Read SYSCFG structure offset. */
+	if (i2c_read(CFG_I2C_EEPROM_ADDR, INTEGRITY_SYSCFG_OFFSET,
+		     CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &value, 4))
+		goto err;
+	address = 0x800 + (int) value; /* Address of SYSCFG structure. */
+
+	/* Read NET CONFIG structure offset. */
+	if (i2c_read(CFG_I2C_EEPROM_ADDR, address,
+		     CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &value, 4))
+		goto err;
+	address = 0x800 + (int) value; /* Address of NET CONFIG structure. */
+	address += 12; /* Address of NET INTERFACE CONFIG structure. */
+
+	/* Read NET INTERFACE CONFIG 2 structure offset. */
+	if (i2c_read(CFG_I2C_EEPROM_ADDR, address,
+		     CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &value, 4))
+		goto err;
+	address = 0x800 + 16 + (int) value;	/* Address of NET INTERFACE
+						 * CONFIG 2 structure. */
+
+	/* Read MAC address. */
+	if (i2c_read(CFG_I2C_EEPROM_ADDR, address,
+		     CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &mac[0], 8))
+		goto err;
+
+	buf[0] = mac[0] >> 24;
+	buf[1] = mac[0] >> 16;
+	buf[2] = mac[0] >> 8;
+	buf[3] = mac[0];
+	buf[4] = mac[1] >> 24;
+	buf[5] = mac[1] >> 16;
+
+	return 0;
+
+err:
+	printf("Read from EEPROM @ 0x%02x failed\n", CFG_I2C_EEPROM_ADDR);
+	return 1;
+}
+
+/* Platform dependent initialisation. */
+int misc_init_r(void)
+{
+	int i;
+	u_int8_t i2cbuf;
+	u_int8_t env_enetaddr[6], eeprom_enetaddr[6];
+	char *tmp = getenv("ethaddr");
+	char *end;
+	int clk;
+
+	/* EMIF-A CS3 configuration for FPGA. */
+	REG(DAVINCI_A3CR) = DAVINCI_A3CR_VAL;
+
+	clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
+
+	printf("ARM Clock: %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27) / 2);
+	printf("DDR Clock: %dMHz\n", (clk / 2));
+
+	/* Configure I2C switch (PCA9543) to enable channel 0. */
+	i2cbuf = CFG_I2C_PCA9543_ENABLE_CH0;
+	if (i2c_write(CFG_I2C_PCA9543_ADDR, 0,
+		      CFG_I2C_PCA9543_ADDR_LEN, &i2cbuf, 1)) {
+		printf("Write to MUX @ 0x%02x failed\n", CFG_I2C_PCA9543_ADDR);
+		return 1;
+	}
+
+	/* Read Ethernet MAC address from the U-Boot environment. */
+	for (i = 0; i < 6; i++) {
+		env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+		if (tmp)
+			tmp = (*end) ? end+1 : end;
+	}
+
+	/* Read Ethernet MAC address from EEPROM. */
+	if (read_mac_address(eeprom_enetaddr) == 0) {
+		if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6) != 0 &&
+		    memcmp(env_enetaddr, eeprom_enetaddr, 6) != 0) {
+			printf("\nWarning: MAC addresses don't match:\n");
+			printf("\tHW MAC address:  "
+			       "%02X:%02X:%02X:%02X:%02X:%02X\n",
+			       eeprom_enetaddr[0], eeprom_enetaddr[1],
+			       eeprom_enetaddr[2], eeprom_enetaddr[3],
+			       eeprom_enetaddr[4], eeprom_enetaddr[5]);
+			printf("\t\"ethaddr\" value: "
+			       "%02X:%02X:%02X:%02X:%02X:%02X\n",
+			       env_enetaddr[0], env_enetaddr[1],
+			       env_enetaddr[2], env_enetaddr[3],
+			       env_enetaddr[4], env_enetaddr[5]) ;
+			debug("### Set MAC addr from environment\n");
+			memcpy(eeprom_enetaddr, env_enetaddr, 6);
+		}
+		if (!tmp) {
+			char ethaddr[20];
+
+			sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
+				eeprom_enetaddr[0], eeprom_enetaddr[1],
+				eeprom_enetaddr[2], eeprom_enetaddr[3],
+				eeprom_enetaddr[4], eeprom_enetaddr[5]) ;
+			debug("### Set environment from HW MAC addr = \"%s\"\n",
+			      ethaddr);
+			setenv("ethaddr", ethaddr);
+		}
+	}
+
+	if (!eth_hw_init()) {
+		printf("Ethernet init failed\n");
+	} else {
+		printf("ETH PHY: %s\n", phy.name);
+	}
+
+	/* On this platform, U-Boot is copied in RAM by the UBL,
+	 * so we are always in the relocated state. */
+	gd->flags |= GD_FLG_RELOC;
+
+	return(0);
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return(0);
+}
diff --git a/include/configs/davinci_sffsdr.h b/include/configs/davinci_sffsdr.h
index 41a6763..0e49e6c 100644
--- a/include/configs/davinci_sffsdr.h
+++ b/include/configs/davinci_sffsdr.h
@@ -1,6 +1,9 @@
 /*
  * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
  *
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
+ *
  * 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
@@ -21,30 +24,24 @@
 #define __CONFIG_H
 #include <asm/sizes.h>
 
-/*=======*/
 /* Board */
-/*=======*/
 #define SFFSDR
 #define CFG_NAND_LARGEPAGE
 #define CFG_USE_NAND
-/*===================*/
+#define CFG_USE_DSPLINK		/* This is to prevent U-Boot from
+				 * powering ON the DSP. */
 /* SoC Configuration */
-/*===================*/
 #define CONFIG_ARM926EJS			/* arm926ejs CPU core */
 #define CONFIG_SYS_CLK_FREQ	297000000	/* Arm Clock frequency */
 #define CFG_TIMERBASE		0x01c21400	/* use timer 0 */
 #define CFG_HZ_CLOCK		27000000	/* Timer Input clock freq */
 #define CFG_HZ			1000
-/*==================================================*/
-/* EEPROM definitions for Atmel 24LC64 EEPROM chip  */
-/*==================================================*/
+/* EEPROM definitions for Atmel 24LC64 EEPROM chip */
 #define CFG_I2C_EEPROM_ADDR_LEN		2
 #define CFG_I2C_EEPROM_ADDR		0x50
 #define CFG_EEPROM_PAGE_WRITE_BITS	5
 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS	20
-/*=============*/
 /* Memory Info */
-/*=============*/
 #define CFG_MALLOC_LEN		(0x10000 + 256*1024)	/* malloc() len */
 #define CFG_GBL_DATA_SIZE	128		/* reserved for initial data */
 #define CFG_MEMTEST_START	0x80000000	/* memtest start address */
@@ -54,9 +51,7 @@
 #define PHYS_SDRAM_1		0x80000000	/* DDR Start */
 #define PHYS_SDRAM_1_SIZE	0x08000000	/* DDR size 128MB */
 #define DDR_4BANKS				/* 4-bank DDR2 (128MB) */
-/*====================*/
 /* Serial Driver info */
-/*====================*/
 #define CFG_NS16550
 #define CFG_NS16550_SERIAL
 #define CFG_NS16550_REG_SIZE	4		/* NS16550 register size */
@@ -65,16 +60,12 @@
 #define CONFIG_CONS_INDEX	1		/* use UART0 for console */
 #define CONFIG_BAUDRATE		115200		/* Default baud rate */
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
-/*===================*/
 /* I2C Configuration */
-/*===================*/
 #define CONFIG_HARD_I2C
 #define CONFIG_DRIVER_DAVINCI_I2C
 #define CFG_I2C_SPEED		80000	/* 100Kbps won't work, silicon bug */
 #define CFG_I2C_SLAVE		10	/* Bogus, master-only in U-Boot */
-/*==================================*/
 /* Network & Ethernet Configuration */
-/*==================================*/
 #define CONFIG_DRIVER_TI_EMAC
 #define CONFIG_MII
 #define CONFIG_BOOTP_DEFAULT
@@ -83,9 +74,7 @@
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT	10
 #define CONFIG_OVERWRITE_ETHADDR_ONCE
-/*=====================*/
 /* Flash & Environment */
-/*=====================*/
 #undef CFG_ENV_IS_IN_FLASH
 #define CFG_NO_FLASH
 #define CFG_ENV_IS_IN_NAND		/* U-Boot env in NAND Flash  */
@@ -98,28 +87,19 @@
 #define CFG_MAX_NAND_DEVICE	1	/* Max number of NAND devices */
 #define NAND_MAX_CHIPS		1
 #define CFG_ENV_OFFSET		0x0	/* Block 0--not used by bootcode */
-/*=====================*/
-/* Board related stuff */
-/*=====================*/
-/*==========================================*/
-/* I2C switch definitions for PCA9543 chip  */
-/* on Lyrtech SFF SDR board.                */
-/* This chip has a single register.         */
-/*==========================================*/
+/* I2C switch definitions for PCA9543 chip */
 #define CFG_I2C_PCA9543_ADDR		0x70
-#define CFG_I2C_PCA9543_ADDR_LEN	0
+#define CFG_I2C_PCA9543_ADDR_LEN	0	/* Single register. */
 #define CFG_I2C_PCA9543_ENABLE_CH0	0x01	/* Enable channel 0. */
-/*==============================*/
 /* U-Boot general configuration */
-/*==============================*/
-#undef CONFIG_USE_IRQ                  /* No IRQ/FIQ in U-Boot */
+#undef CONFIG_USE_IRQ				/* No IRQ/FIQ in U-Boot */
 #define CONFIG_MISC_INIT_R
-#undef CONFIG_BOOTDELAY
+#define CONFIG_BOOTDELAY	5		/* Autoboot after 5 seconds. */
 #define CONFIG_BOOTFILE		"uImage"	/* Boot file name */
 #define CFG_PROMPT		"U-Boot > "	/* Monitor Command Prompt */
 #define CFG_CBSIZE		1024		/* Console I/O Buffer Size  */
-/* Print buffer size */
-#define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_PBSIZE							\
+		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)	/* Print buffer size */
 #define CFG_MAXARGS		16		/* max number of command args */
 #define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size */
 #define CFG_LOAD_ADDR		0x80700000	/* Default Linux kernel
@@ -133,25 +113,20 @@
 #define CFG_LONGHELP
 #define CONFIG_CRC32_VERIFY
 #define CONFIG_MX_CYCLIC
-/*
- * Define this to load an Integrity kernel.
- *
-#define CONFIG_CMD_ELF
- */
-
-/*===================*/
 /* Linux Information */
-/*===================*/
 #define LINUX_BOOT_PARAM_ADDR	0x80000100
 #define CONFIG_CMDLINE_TAG
 #define CONFIG_SETUP_MEMORY_TAGS
-#define CONFIG_BOOTARGS							\
-	"mem=56M console=ttyS0,115200n8 root=/dev/hda1 rw noinitrd ip=dhcp"
-#define CONFIG_BOOTCOMMAND	"setenv setboot setenv bootargs \\$(bootargs) video=dm64xxfb:output=\\$(videostd);run setboot"
-
-/*=================*/
+#define CONFIG_BOOTARGS			\
+	"mem=56M "			\
+	"console=ttyS0,115200n8 "	\
+	"root=/dev/nfs rw noinitrd ip=dhcp "	\
+	"nfsroot=${serverip}:/nfsroot/sffsdr "	\
+	"eth0=${ethaddr}"
+#define CONFIG_BOOTCOMMAND	\
+	"nand read 87A00000 100000 300000;"	\
+	"bootelf 87A00000"
 /* U-Boot commands */
-/*=================*/
 #include <config_cmd_default.h>
 #define CONFIG_CMD_ASKENV
 #define CONFIG_CMD_DHCP
@@ -167,9 +142,7 @@
 #undef CONFIG_CMD_SETGETDCR
 #undef CONFIG_CMD_FLASH
 #undef CONFIG_CMD_IMLS
-/*=======================*/
 /* KGDB support (if any) */
-/*=======================*/
 #ifdef CONFIG_CMD_KGDB
 #define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port */
 #define CONFIG_KGDB_SER_INDEX	1	/* which serial port to use */