Patchwork [U-Boot,14/17] update/fix IXDP425 / IXDPG425 boards

login
register
mail settings
Submitter Michael Schwingen
Date Feb. 4, 2011, 11:06 p.m.
Message ID <1296860763-16149-15-git-send-email-michael@schwingen.org>
Download mbox | patch
Permalink /patch/81976/
State Superseded
Headers show

Comments

Michael Schwingen - Feb. 4, 2011, 11:06 p.m.
Signed-off-by: Michael Schwingen <michael@schwingen.org>
---
 board/ixdp425/config.mk    |    2 -
 board/ixdp425/flash.c      |  427 --------------------------------------------
 board/ixdp425/ixdp425.c    |  155 ++++++++++++++---
 boards.cfg                 |    2 +-
 include/configs/ixdp425.h  |  196 ++++++++++++++-------
 include/configs/ixdpg425.h |    9 +-
 6 files changed, 274 insertions(+), 517 deletions(-)
 delete mode 100644 board/ixdp425/config.mk
 delete mode 100644 board/ixdp425/flash.c

Patch

diff --git a/board/ixdp425/config.mk b/board/ixdp425/config.mk
deleted file mode 100644
index 509c894..0000000
--- a/board/ixdp425/config.mk
+++ /dev/null
@@ -1,2 +0,0 @@ 
-#
-CONFIG_SYS_TEXT_BASE = 0x00f80000
diff --git a/board/ixdp425/flash.c b/board/ixdp425/flash.c
deleted file mode 100644
index f1d9190..0000000
--- a/board/ixdp425/flash.c
+++ /dev/null
@@ -1,427 +0,0 @@ 
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@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 <linux/byteorder/swab.h>
-
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips        */
-
-/* Board support for 1 or 2 flash devices */
-#undef FLASH_PORT_WIDTH32
-#define FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH	ushort
-#define FLASH_PORT_WIDTHV	vu_short
-#define SWAP(x)			x
-#else
-#define FLASH_PORT_WIDTH	ulong
-#define FLASH_PORT_WIDTHV	vu_long
-#define SWAP(x)			__swab32(x)
-#endif
-
-#define FPW	FLASH_PORT_WIDTH
-#define FPWV	FLASH_PORT_WIDTHV
-
-#define mb()	__asm__ __volatile__ ("" : : : "memory")
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (FPW * addr, flash_info_t * info);
-static int write_data (flash_info_t * info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t * info);
-void inline spin_wheel (void);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-	int i;
-	ulong size = 0;
-
-	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
-		switch (i) {
-		case 0:
-			flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
-			flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
-			break;
-		default:
-			panic ("configured too many flash banks!\n");
-			break;
-		}
-		size += flash_info[i].size;
-	}
-
-	/* Protect monitor and environment sectors
-	 */
-	flash_protect (FLAG_PROTECT_SET,
-		       CONFIG_SYS_FLASH_BASE,
-		       CONFIG_SYS_FLASH_BASE + _bss_start - _armboot_start,
-		       &flash_info[0]);
-
-	flash_protect (FLAG_PROTECT_SET,
-		       CONFIG_ENV_ADDR,
-		       CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
-
-	return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return;
-	}
-
-	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-		for (i = 0; i < info->sector_count; i++) {
-			info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
-			info->protect[i] = 0;
-		}
-	}
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		printf ("missing or unknown FLASH type\n");
-		return;
-	}
-
-	switch (info->flash_id & FLASH_VENDMASK) {
-	case FLASH_MAN_INTEL:
-		printf ("INTEL ");
-		break;
-	default:
-		printf ("Unknown Vendor ");
-		break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_28F128J3A:
-		printf ("28F128J3A\n");
-		break;
-	default:
-		printf ("Unknown Chip Type\n");
-		break;
-	}
-
-	printf ("  Size: %ld MB in %d Sectors\n",
-		info->size >> 20, info->sector_count);
-
-	printf ("  Sector Start Addresses:");
-	for (i = 0; i < info->sector_count; ++i) {
-		if ((i % 5) == 0)
-			printf ("\n   ");
-		printf (" %08lX%s",
-			info->start[i], info->protect[i] ? " (RO)" : "     ");
-	}
-	printf ("\n");
-	return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (FPW * addr, flash_info_t * info)
-{
-	volatile FPW value;
-
-	/* Write auto select command: read Manufacturer ID */
-	addr[0x5555] = (FPW) 0x00AA00AA;
-	addr[0x2AAA] = (FPW) 0x00550055;
-	addr[0x5555] = (FPW) 0x00900090;
-
-	mb ();
-	value = addr[0];
-
-	switch (value) {
-
-	case (FPW) INTEL_MANUFACT:
-		info->flash_id = FLASH_MAN_INTEL;
-		break;
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-		return (0);	/* no or unknown flash  */
-	}
-
-	mb ();
-	value = addr[1];	/* device ID            */
-
-	switch (value) {
-
-	case (FPW) INTEL_ID_28F128J3A:
-		info->flash_id += FLASH_28F128J3A;
-		info->sector_count = 128;
-		info->size = 0x02000000;
-		break;		/* => 16 MB     */
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		break;
-	}
-
-	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-		printf ("** ERROR: sector count %d > max (%d) **\n",
-			info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-	}
-
-	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-
-	return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-	int flag, prot, sect;
-	ulong type;
-	int rcode = 0;
-
-	if ((s_first < 0) || (s_first > s_last)) {
-		if (info->flash_id == FLASH_UNKNOWN) {
-			printf ("- missing\n");
-		} else {
-			printf ("- no sectors to erase\n");
-		}
-		return 1;
-	}
-
-	type = (info->flash_id & FLASH_VENDMASK);
-	if ((type != FLASH_MAN_INTEL)) {
-		printf ("Can't erase unknown flash type %08lx - aborted\n",
-			info->flash_id);
-		return 1;
-	}
-
-	prot = 0;
-	for (sect = s_first; sect <= s_last; ++sect) {
-		if (info->protect[sect]) {
-			prot++;
-		}
-	}
-
-	if (prot) {
-		printf ("- Warning: %d protected sectors will not be erased!\n", prot);
-	} else {
-		printf ("\n");
-	}
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts ();
-
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect <= s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-			FPWV *addr = (FPWV *) (info->start[sect]);
-			FPW status;
-
-			printf ("Erasing sector %2d ... ", sect);
-
-			/* arm simple, non interrupt dependent timer */
-			reset_timer_masked ();
-
-			*addr = (FPW) 0x00500050;	/* clear status register */
-			*addr = (FPW) 0x00200020;	/* erase setup */
-			*addr = (FPW) 0x00D000D0;	/* erase confirm */
-
-			while (((status =
-				 *addr) & (FPW) 0x00800080) !=
-			       (FPW) 0x00800080) {
-				if (get_timer_masked () >
-				    CONFIG_SYS_FLASH_ERASE_TOUT) {
-					printf ("Timeout\n");
-					*addr = (FPW) 0x00B000B0;	/* suspend erase         */
-					*addr = (FPW) 0x00FF00FF;	/* reset to read mode */
-					rcode = 1;
-					break;
-				}
-			}
-
-			*addr = (FPW) 0x00500050;	/* clear status register cmd.   */
-			*addr = (FPW) 0x00FF00FF;	/* resest to read mode          */
-
-			printf (" done\n");
-		}
-	}
-	return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
-	ulong cp, wp;
-	FPW data;
-	int count, i, l, rc, port_width;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return 4;
-	}
-
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-	wp = (addr & ~1);
-	port_width = 2;
-#else
-	wp = (addr & ~3);
-	port_width = 4;
-#endif
-
-	/*
-	 * handle unaligned start bytes
-	 */
-	if ((l = addr - wp) != 0) {
-		data = 0;
-		for (i = 0, cp = wp; i < l; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *) cp);
-		}
-		for (; i < port_width && cnt > 0; ++i) {
-			data = (data << 8) | *src++;
-			--cnt;
-			++cp;
-		}
-		for (; cnt == 0 && i < port_width; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *) cp);
-		}
-
-		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-			return (rc);
-		}
-		wp += port_width;
-	}
-
-	/*
-	 * handle word aligned part
-	 */
-	count = 0;
-	while (cnt >= port_width) {
-		data = 0;
-		for (i = 0; i < port_width; ++i) {
-			data = (data << 8) | *src++;
-		}
-		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-			return (rc);
-		}
-		wp += port_width;
-		cnt -= port_width;
-		if (count++ > 0x800) {
-			spin_wheel ();
-			count = 0;
-		}
-	}
-
-	if (cnt == 0) {
-		return (0);
-	}
-
-	/*
-	 * handle unaligned tail bytes
-	 */
-	data = 0;
-	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
-		data = (data << 8) | *src++;
-		--cnt;
-	}
-	for (; i < port_width; ++i, ++cp) {
-		data = (data << 8) | (*(uchar *) cp);
-	}
-
-	return (write_data (info, wp, SWAP (data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t * info, ulong dest, FPW data)
-{
-	FPWV *addr = (FPWV *) dest;
-	ulong status;
-	int flag;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*addr & data) != data) {
-		printf ("not erased at %08lx (%lx)\n", (ulong) addr,
-			(ulong) * addr);
-		return (2);
-	}
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts ();
-
-	*addr = (FPW) 0x00400040;	/* write setup */
-	*addr = data;
-
-	/* arm simple, non interrupt dependent timer */
-	reset_timer_masked ();
-
-	/* wait while polling the status register */
-	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-		if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) {
-			*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-			return (1);
-		}
-	}
-
-	*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-
-	return (0);
-}
-
-void inline spin_wheel (void)
-{
-	static int p = 0;
-	static char w[] = "\\/-";
-
-	printf ("\010%c", w[p]);
-	(++p == 3) ? (p = 0) : 0;
-}
diff --git a/board/ixdp425/ixdp425.c b/board/ixdp425/ixdp425.c
index 43ac8f6..e2cbcd0 100644
--- a/board/ixdp425/ixdp425.c
+++ b/board/ixdp425/ixdp425.c
@@ -33,24 +33,82 @@ 
 #include <malloc.h>
 #include <netdev.h>
 #include <asm/arch/ixp425.h>
+#include <asm/io.h>
+#ifdef CONFIG_PCI
+#include <pci.h>
+#include <asm/arch/ixp425pci.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define IXDP425_LED_PORT 0x52000000 /* 4-digit hex display */
+
+int board_early_init_f(void)
+{
+	/* CS2: LED port */
+	writel(0xbcff0002, IXP425_EXP_CS2);
+	writew(0x0001, IXDP425_LED_PORT); /* output postcode to LEDs */
+
+	return 0;
+}
+
+#ifdef CONFIG_PCI
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_ixpdp425_config_table[] = {
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, PCI_ANY_ID,
+	  pci_cfgfunc_config_device,
+	  { 0x400,
+	    0x40000000,
+	    PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x01, PCI_ANY_ID,
+	  pci_cfgfunc_config_device,
+	  { 0x800,
+	    0x40010000,
+	    PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x02, PCI_ANY_ID,
+	  pci_cfgfunc_config_device,
+	  { 0xc00,
+	    0x40020000,
+	    PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x03, PCI_ANY_ID,
+	  pci_cfgfunc_config_device,
+	  { 0x1000,
+	    0x40030000,
+	    PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+	{ }
+};
+#endif
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+	config_table: pci_ixpdp425_config_table,
+#endif
+};
+#endif /* CONFIG_PCI */
+
+
 /*
  * Miscelaneous platform dependent initialisations
  */
-int board_init (void)
+int board_init(void)
 {
+	writew(0x0002, IXDP425_LED_PORT); /* output postcode to LEDs */
+
+#ifdef CONFIG_IXDPG425
+	/* arch number of IXDP */
+	gd->bd->bi_arch_number = MACH_TYPE_IXDPG425;
+#else
 	/* arch number of IXDP */
 	gd->bd->bi_arch_number = MACH_TYPE_IXDP425;
+#endif
 
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = 0x00000100;
 
 #ifdef CONFIG_IXDPG425
-	/* arch number of IXDP */
-	gd->bd->bi_arch_number = MACH_TYPE_IXDPG425;
-
 	/*
 	 * Get realtek RTL8305 switch and SLIC out of reset
 	 */
@@ -60,19 +118,56 @@  int board_init (void)
 	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SLIC_RESET_N);
 
 	/*
-	 * Setup GPIO's for PCI INTA & INTB
+	 * Setup GPIOs for PCI INTA & INTB
 	 */
 	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA_N);
 	GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA_N);
 	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB_N);
 	GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB_N);
 
-	/*
-	 * Setup GPIO's for 33MHz clock output
-	 */
-	*IXP425_GPIO_GPCLKR = 0x01FF01FF;
+	/* Setup GPIOs for 33MHz clock output */
+	writel(0x01FF01FF, IXP425_GPIO_GPCLKR);
+
 	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
 	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
+
+	/* set GPIO8..11 interrupt type to active low */
+	writel((0x1 << 9) | (0x1 << 6) | (0x1 << 3) | 0x1, IXP425_GPIO_GPIT2R);
+
+	/* clear pending interrupts */
+	writel(-1, IXP425_GPIO_GPISR);
+
+	/* assert PCI reset */
+	GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_SLIC_RESET_N);
+
+	udelay(533);
+
+	/* deassert PCI reset */
+	GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SLIC_RESET_N);
+
+	udelay(533);
+
+#else /* IXDP425 */
+	/* Setup GPIOs for 33MHz ExpBus and PCI clock output */
+	writel(0x01FF01FF, IXP425_GPIO_GPCLKR);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_RESET_N);
+
+	/* set GPIO8..11 interrupt type to active low */
+	writel((0x1 << 9) | (0x1 << 6) | (0x1 << 3) | 0x1, IXP425_GPIO_GPIT2R);
+	/* clear pending interrupts */
+	writel(-1, IXP425_GPIO_GPISR);
+
+	/* assert PCI reset */
+	GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCI_RESET_N);
+
+	udelay(533);
+
+	/* deassert PCI reset */
+	GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCI_RESET_N);
+
+	udelay(533);
 #endif
 
 	return 0;
@@ -97,30 +192,46 @@  int checkboard(void)
 	}
 	putc('\n');
 
-	return (0);
+	return 0;
 }
 
-int dram_init (void)
+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);
+	/* we can only map 64MB via PCI, so we limit memory
+	   until a better solution is implemented. */
+#ifdef CONFIG_PCI
+	gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 64<<20);
+#else
+	gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 256<<20);
+#endif
+	return 0;
 }
 
-#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
-extern struct pci_controller hose;
-extern void pci_ixp_init(struct pci_controller * hose);
-
+#ifdef CONFIG_PCI
 void pci_init_board(void)
 {
-	extern void pci_ixp_init (struct pci_controller *hose);
-
 	pci_ixp_init(&hose);
 }
+
+/*
+ * dev 0 on the PCI bus is not the host bridge, so we have to override
+ * these functions in order to not skip PCI slot 0 during configuration.
+*/
+int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
+{
+	return 0;
+}
+int pci_print_dev(struct pci_controller *hose, pci_dev_t dev)
+{
+	return 1;
+}
+
 #endif
 
 int board_eth_init(bd_t *bis)
 {
-	return pci_eth_init(bis);
+#ifdef CONFIG_PCI
+	pci_eth_init(bis);
+#endif
+	return cpu_eth_init(bis);
 }
diff --git a/boards.cfg b/boards.cfg
index 5ec40b1..1a93358 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -136,7 +136,7 @@  actux3                       arm         ixp
 actux4                       arm         ixp
 dvlhost                      arm         ixp
 ixdp425                      arm         ixp
-ixdpg425                     arm         ixp
+ixdpg425                     arm         ixp         ixdp425
 lpd7a400                     arm         lh7a40x     lpd7a40x
 lpd7a404                     arm         lh7a40x     lpd7a40x
 balloon3                     arm         pxa
diff --git a/include/configs/ixdp425.h b/include/configs/ixdp425.h
index 28d41e2..4bad31d 100644
--- a/include/configs/ixdp425.h
+++ b/include/configs/ixdp425.h
@@ -36,12 +36,19 @@ 
 #define CONFIG_DISPLAY_CPUINFO	1	/* display cpu info (and speed)	*/
 #define CONFIG_DISPLAY_BOARDINFO 1	/* display board info		*/
 
+/*
+ * select serial console configuration
+ */
+#define CONFIG_IXP_SERIAL
+#define CONFIG_SYS_IXP425_CONSOLE	IXP425_UART1
+#define CONFIG_BAUDRATE         115200
+
+#define CONFIG_BOARD_EARLY_INIT_F	1
+
 /***************************************************************
  * U-boot generic defines start here.
  ***************************************************************/
 
-#undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff */
-
 /*
  * Size of malloc() pool
  */
@@ -50,9 +57,6 @@ 
 /* allow to overwrite serial and ethaddr */
 #define CONFIG_ENV_OVERWRITE
 
-#define CONFIG_BAUDRATE         115200
-
-
 /*
  * BOOTP options
  */
@@ -61,38 +65,33 @@ 
 #define CONFIG_BOOTP_GATEWAY
 #define CONFIG_BOOTP_HOSTNAME
 
-
-/*
- * Command line configuration.
- */
+/* Command line configuration. */
 #include <config_cmd_default.h>
 
 #define CONFIG_CMD_ELF
-#define CONFIG_CMD_PCI
-
 
 #define CONFIG_PCI
+#ifdef CONFIG_PCI
+#define CONFIG_CMD_PCI
+#define CONFIG_PCI_PNP
 #define CONFIG_IXP_PCI
-#define CONFIG_NET_MULTI
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_CMD_PCI_ENUM
 #define CONFIG_EEPRO100
+#endif
 
-#define CONFIG_BOOTDELAY        3
-/*#define CONFIG_ETHADDR          08:00:3e:26:0a:5b*/
-#define CONFIG_NETMASK          255.255.255.0
-#define CONFIG_IPADDR           192.168.0.21
-#define CONFIG_SERVERIP         192.168.0.148
-#define CONFIG_BOOTCOMMAND      "bootm 50040000"
-#define CONFIG_BOOTARGS         "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200"
-#define CONFIG_CMDLINE_TAG
+#define CONFIG_BOOTCOMMAND		"run boot_flash"
+/* enable passing of ATAGs */
+#define CONFIG_CMDLINE_TAG		1
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
 
 #if defined(CONFIG_CMD_KGDB)
 #define CONFIG_KGDB_BAUDRATE    230400          /* speed to run kgdb serial port */
 #define CONFIG_KGDB_SER_INDEX   2               /* which serial port to use */
 #endif
 
-/*
- * Miscellaneous configurable options
- */
+/* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP                            /* undef to save memory         */
 #define CONFIG_SYS_PROMPT              "=> "   /* Monitor Command Prompt       */
 #define CONFIG_SYS_CBSIZE              256             /* Console I/O Buffer Size      */
@@ -103,10 +102,13 @@ 
 #define CONFIG_SYS_MEMTEST_START       0x00400000      /* memtest works on     */
 #define CONFIG_SYS_MEMTEST_END         0x00800000      /* 4 ... 8 MB in DRAM   */
 
-#define CONFIG_SYS_LOAD_ADDR           0x00010000      /* default load address */
+/* timer clock - 2* OSC_IN system clock */
+#define CONFIG_IXP425_TIMER_CLK                 66666666
+#define CONFIG_SYS_HZ				1000
+
+/* default load address */
+#define CONFIG_SYS_LOAD_ADDR			0x00010000
 
-#define CONFIG_SYS_HZ                  3333333         /* spec says 66.666 MHz, but it appears to be 33 */
-						/* valid baudrates */
 #define CONFIG_SYS_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
 
 /*
@@ -115,10 +117,6 @@ 
  * The stack sizes are set up in start.S using the settings below
  */
 #define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
-#ifdef CONFIG_USE_IRQ
-#define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
-#define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
-#endif
 
 /***************************************************************
  * Platform/Board specific defines start here.
@@ -129,71 +127,145 @@ 
  */
 
 
-/*
- * select serial console configuration
- */
-#define CONFIG_IXP_SERIAL
-#define CONFIG_SYS_IXP425_CONSOLE	IXP425_UART1   /* we use UART1 for console */
 
 /*
  * Physical Memory Map
  */
-#define CONFIG_NR_DRAM_BANKS    1          /* we have 2 banks of DRAM */
-#define PHYS_SDRAM_1            0x00000000 /* SDRAM Bank #1 */
-#define PHYS_SDRAM_1_SIZE       0x01000000 /* 16 MB */
+#define CONFIG_SYS_TEXT_BASE	0x50000000
 
 #define PHYS_FLASH_1            0x50000000 /* Flash Bank #1 */
 #define PHYS_FLASH_SIZE         0x00800000 /* 8 MB */
 #define PHYS_FLASH_BANK_SIZE    0x00800000 /* 8 MB Banks */
 #define PHYS_FLASH_SECT_SIZE    0x00020000 /* 128 KB sectors (x1) */
 
-#define CONFIG_SYS_DRAM_BASE           0x00000000
-#define CONFIG_SYS_DRAM_SIZE           0x01000000
-
 #define CONFIG_SYS_FLASH_BASE          PHYS_FLASH_1
 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
+#define CONFIG_BOARD_SIZE_LIMIT		262144
 
-/*
- * Expansion bus settings
- */
-#define CONFIG_SYS_EXP_CS0				0xbcd23c42
+/* Expansion bus settings */
+#define CONFIG_SYS_EXP_CS0	0xbcd23c42
+
+/* SDRAM settings */
+#define CONFIG_NR_DRAM_BANKS    1          /* we have 2 banks of DRAM */
+#define PHYS_SDRAM_1            0x00000000 /* SDRAM Bank #1 */
+#define CONFIG_SYS_SDRAM_BASE	0x00000000
 
-/*
- * SDRAM settings
- */
 #define CONFIG_SYS_SDR_CONFIG		0xd
 #define CONFIG_SYS_SDR_MODE_CONFIG	0x1
 #define CONFIG_SYS_SDRAM_REFRESH_CNT	0x81a
 
 /*
- * GPIO settings
- */
-
-/*
- * FLASH and environment organization
- */
-/*
  * FLASH and environment organization
  */
 #define CONFIG_SYS_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 #define CONFIG_SYS_MAX_FLASH_SECT      128	/* max number of sectors on one chip    */
 
-#define CONFIG_SYS_FLASH_CFI				/* The flash is CFI compatible	*/
-#define CONFIG_FLASH_CFI_DRIVER			/* Use common CFI driver	*/
 #define	CONFIG_ENV_IS_IN_FLASH	1
 
 #define CONFIG_SYS_FLASH_BANKS_LIST	{ PHYS_FLASH_1 }
 
-#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT	/* no byte writes on IXP4xx	*/
-
 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
 
-#define CONFIG_SYS_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */
-
 #define CONFIG_ENV_SECT_SIZE	0x20000	/* size of one complete sector	*/
-#define CONFIG_ENV_ADDR		(PHYS_FLASH_1 + 0x20000)
+#define CONFIG_ENV_ADDR		(PHYS_FLASH_1 + 0x40000)
 #define	CONFIG_ENV_SIZE		0x2000	/* Total Size of Environment Sector	*/
 
+/* Use common CFI driver */
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+/* no byte writes on IXP4xx */
+#define CONFIG_SYS_FLASH_CFI_WIDTH		FLASH_CFI_16BIT
+/* print 'E' for empty sector on flinfo */
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+
+/* Ethernet */
+
+/* include IXP4xx NPE support */
+#define CONFIG_IXP4XX_NPE		1
+#define CONFIG_NET_MULTI		1
+/* NPE0 PHY address */
+#define	CONFIG_PHY_ADDR			0
+/* NPE1 PHY address (HW Release E only) */
+#define	CONFIG_PHY1_ADDR		1
+/* MII PHY management */
+#define CONFIG_MII			1
+/* Number of ethernet rx buffers & descriptors */
+#define CONFIG_SYS_RX_ETH_BUFFER		16
+
+#define CONFIG_HAS_ETH1			1
+
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#undef  CONFIG_CMD_NFS
+
+/* Cache Configuration */
+#define CONFIG_SYS_CACHELINE_SIZE		32
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"npe_ucode=50060000\0"						\
+	"mtd=IXP4XX-Flash.0:256k(uboot),128k(env),128k(ucode),2048k(linux),-(root)\0" \
+	"kerneladdr=50080000\0"						\
+	"kernelfile=ixdp425/uImage\0"					\
+	"rootfile=ixdp425/rootfs\0"					\
+	"rootaddr=50280000\0"						\
+	"loadaddr=10000\0"						\
+	"updateboot_ser=mw.b 10000 ff 40000;"				\
+	" loady ${loadaddr};"						\
+	" run eraseboot writeboot\0"					\
+	"updateboot_net=mw.b 10000 ff 40000;"				\
+	" tftp ${loadaddr} ixdp425/u-boot.bin;"				\
+	" run eraseboot writeboot\0"					\
+	"eraseboot=protect off 50000000 5003ffff;"			\
+	" erase 50000000 5003ffff\0"					\
+	"writeboot=cp.b 10000 50000000 ${filesize}\0"			\
+	"updateucode=loady;"						\
+	" era ${npe_ucode} +${filesize};"				\
+	" cp.b ${loadaddr} ${npe_ucode} ${filesize}\0"			\
+	"updateroot=tftp ${loadaddr} ${rootfile};"			\
+	" era ${rootaddr} +${filesize};"				\
+	" cp.b ${loadaddr} ${rootaddr} ${filesize}\0"			\
+	"updatekern=tftp ${loadaddr} ${kernelfile};"			\
+	" era ${kerneladdr} +${filesize};"				\
+	" cp.b ${loadaddr} ${kerneladdr} ${filesize}\0"			\
+	"flashargs=setenv bootargs mtdparts=${mtd} root=/dev/mtdblock4"	\
+	" rootfstype=squashfs,jffs2 init=/etc/preinit\0"		\
+	"netargs=setenv bootargs mtdparts=${mtd} root=/dev/mtdblock4"	\
+	" rootfstype=squashfs,jffs2 init=/etc/preinit\0"		\
+	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0" \
+	"addeth=setenv bootargs ${bootargs} ethaddr=${ethaddr}\0"	\
+	"boot_flash=run flashargs addtty addeth;"			\
+	" bootm ${kerneladdr}\0"					\
+	"boot_net=run netargs addtty addeth;"				\
+	" tftpboot ${loadaddr} ${kernelfile};"				\
+	" bootm\0"
+
+/* additions for new relocation code, must be added to all boards */
+#define CONFIG_SYS_INIT_SP_ADDR						\
+	(CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+
+/*
+ * GPIO settings
+ */
+#define CONFIG_SYS_GPIO_UTOPIA_GPIO1    0
+#define CONFIG_SYS_GPIO_UTOPIA_IRQ_N    1
+#define CONFIG_SYS_GPIO_HSS1_IRQ_N      2
+#define CONFIG_SYS_GPIO_HSS0_IRQ_N      3
+#define CONFIG_SYS_GPIO_ETH0_IRQ_N      4
+#define CONFIG_SYS_GPIO_ETH1_IRQ_N      5
+#define CONFIG_SYS_GPIO_I2C_SCL	        6
+#define CONFIG_SYS_GPIO_I2C_SDA	        7
+#define CONFIG_SYS_GPIO_PCI_INTD_N	8
+#define CONFIG_SYS_GPIO_PCI_INTC_N	9
+#define CONFIG_SYS_GPIO_PCI_INTB_N	10
+#define CONFIG_SYS_GPIO_PCI_INTA_N	11
+#define CONFIG_SYS_GPIO_UTOPIA_GPIO0	12
+#define CONFIG_SYS_GPIO_PCI_RESET_N	13
+#define CONFIG_SYS_GPIO_PCI_CLK	        14
+#define CONFIG_SYS_GPIO_EXTBUS_CLK	15
+
 #endif  /* __CONFIG_H */
diff --git a/include/configs/ixdpg425.h b/include/configs/ixdpg425.h
index 637fd7d..60a2371 100644
--- a/include/configs/ixdpg425.h
+++ b/include/configs/ixdpg425.h
@@ -53,9 +53,6 @@ 
 /*
  * Misc configuration options
  */
-#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
-#define CONFIG_USE_IRQ          1	/* we need IRQ stuff for timer	*/
-#define CONFIG_TIMER_IRQ
 
 #define CONFIG_BOOTCOUNT_LIMIT		/* support for bootcount limit	*/
 #define CONFIG_SYS_BOOTCOUNT_ADDR	0x60003000 /* inside qmrg sram		*/
@@ -115,6 +112,7 @@ 
 #define CONFIG_SYS_MEMTEST_END         0x00800000      /* 4 ... 8 MB in DRAM   */
 #define CONFIG_SYS_LOAD_ADDR           0x00010000      /* default load address */
 
+#define CONFIG_IXP425_TIMER_CLK		66666666
 #define CONFIG_SYS_HZ			1000		/* decrementer freq: 1 ms ticks */
 
 						/* valid baudrates */
@@ -248,4 +246,9 @@ 
  */
 #define CONFIG_SYS_CACHELINE_SIZE	32
 
+/* additions for new relocation code, must be added to all boards */
+#define CONFIG_SYS_SDRAM_BASE 0
+#define CONFIG_SYS_INIT_SP_ADDR						\
+	(CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
 #endif  /* __CONFIG_H */