* Patch by George G. Davis, 02 Apr 2004:

  add support for Intel Assabet board

CHANGELOG

@@ -2,6 +2,9 @@
 Changes for U-Boot 1.1.1:
 ======================================================================
 
+* Patch by George G. Davis, 02 Apr 2004:
+  add support for Intel Assabet board
+
 * Patch by Stephen Williams, 01 Apr 2004:
   Add support for Picture Elements JSE board
 

CREDITS

@@ -89,6 +89,10 @@ N: Magnus Damm
 E: damm@opensource.se
 D: 8xxrom
 
+N: George G. Davis
+E: gdavis@mvista.com
+D: Board ports for ADS GraphicsClient+ and Intel Assabet
+
 N: Arun Dharankar
 E: ADharankar@ATTBI.Com
 D: threads / scheduler example code

MAINTAINERS

@@ -299,6 +299,11 @@ Unknown / orphaned boards:
 #	Board			CPU					#
 #########################################################################
 
+George G. Davis <gdavis@mvista.com>
+
+	assabet			SA1100
+	gcplus			SA1100
+
 Thomas Elste <info@elste.org>
 
 	modnet50		ARM720T (NET+50)

MAKEALL

@@ -124,7 +124,7 @@ LIST_ppc="${LIST_5xx}  ${LIST_5xxx} \
 ## StrongARM Systems
 #########################################################################
 
-LIST_SA="dnp1110 gcplus lart shannon"
+LIST_SA="assabet dnp1110 gcplus lart shannon"
 
 #########################################################################
 ## ARM7 Systems

Makefile

@@ -977,6 +977,9 @@ ZUMA_config:	unconfig
 ## StrongARM Systems
 #########################################################################
 
+assabet_config	:	unconfig
+	@./mkconfig $(@:_config=) arm sa1100 assabet
+
 dnp1110_config	:	unconfig
 	@./mkconfig $(@:_config=) arm sa1100 dnp1110
 

board/assabet/Makefile

@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 2004 (c) MontaVista Software, Inc.
+#
+# 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	:= assabet.o
+SOBJS	:= setup.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+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
+
+#########################################################################

board/assabet/assabet.c

@@ -0,0 +1,121 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * 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 <SA-1100.h>
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Board dependent initialisation
+ */
+
+#define ECOR			0x8000
+#define ECOR_RESET		0x80
+#define ECOR_LEVEL_IRQ		0x40
+#define ECOR_WR_ATTRIB		0x04
+#define ECOR_ENABLE		0x01
+
+#define ECSR			0x8002
+#define ECSR_IOIS8		0x20
+#define ECSR_PWRDWN		0x04
+#define ECSR_INT		0x02
+#define SMC_IO_SHIFT		2
+#define NCR_0           	(*((volatile u_char *)(0x100000a0)))
+#define NCR_ENET_OSC_EN		(1<<3)
+
+static inline u8
+readb(volatile u8 * p)
+{
+	return *p;
+}
+
+static inline void
+writeb(u8 v, volatile u8 * p)
+{
+	*p = v;
+}
+
+static void
+smc_init(void)
+{
+	u8 ecor;
+	u8 ecsr;
+	volatile u8 *addr = (volatile u8 *)(0x18000000 + (1 << 25));
+
+	NCR_0 |= NCR_ENET_OSC_EN;
+	udelay(100);
+
+	ecor = readb(addr + (ECOR << SMC_IO_SHIFT)) & ~ECOR_RESET;
+	writeb(ecor | ECOR_RESET, addr + (ECOR << SMC_IO_SHIFT));
+	udelay(100);
+
+	/*
+	 * The device will ignore all writes to the enable bit while
+	 * reset is asserted, even if the reset bit is cleared in the
+	 * same write.  Must clear reset first, then enable the device.
+	 */
+	writeb(ecor, addr + (ECOR << SMC_IO_SHIFT));
+	writeb(ecor | ECOR_ENABLE, addr + (ECOR << SMC_IO_SHIFT));
+
+	/*
+	 * Set the appropriate byte/word mode.
+	 */
+	ecsr = readb(addr + (ECSR << SMC_IO_SHIFT)) & ~ECSR_IOIS8;
+	ecsr |= ECSR_IOIS8;
+	writeb(ecsr, addr + (ECSR << SMC_IO_SHIFT));
+	udelay(100);
+}
+
+static void
+neponset_init(void)
+{
+	smc_init();
+}
+
+int
+board_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_arch_number = 25;	/* Intel Assabet Board */
+	gd->bd->bi_boot_params = 0xc0000100;
+
+	neponset_init();
+
+	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);
+}

board/assabet/config.mk

@@ -0,0 +1,7 @@
+#
+# SA-1110 based Intel Assabet board
+#
+# The Intel Assabet 1 bank of 32 MiB SDRAM
+#
+
+TEXT_BASE = 0xc1f00000

board/assabet/setup.S

@@ -0,0 +1,136 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ *		       Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * 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 "config.h"
+#include "version.h"
+
+
+/*-----------------------------------------------------------------------
+ * Board defines:
+ */
+
+#define MDCNFG		0x00
+#define MDCAS00		0x04
+#define MDCAS01		0x08
+#define MDCAS02		0x0C
+#define MSC0		0x10
+#define MSC1		0x14
+#define MECR		0x18
+#define MDREFR		0x1C
+#define MDCAS20		0x20
+#define MDCAS21		0x24
+#define MDCAS22		0x28
+#define MSC2		0x2C
+#define SMCNFG		0x30
+
+#define ASSABET_BCR		(0x12000000)
+#define ASSABET_BCR_DB1110	(0x00a07490 | (0<<16) | (0<<17))
+#define ASSABET_SCR_nNEPONSET	(1 << 9)
+#define NEPONSET_LEDS		(0x10000010)
+
+
+/*-----------------------------------------------------------------------
+ * Setup parameters for the board:
+ */
+
+
+MEM_BASE:	.long	0xa0000000
+MEM_START:	.long	0xc0000000
+
+mdcnfg:		.long	0x72547254
+mdcas00:	.long	0xaaaaaa7f
+mdcas01:	.long	0xaaaaaaaa
+mdcas02:	.long	0xaaaaaaaa
+msc0:		.long	0x4b384370
+msc1:		.long	0x22212419
+mecr:		.long	0x994a994a
+mdrefr:		.long	0x04340327
+mdcas20:	.long	0xaaaaaa7f
+mdcas21:	.long	0xaaaaaaaa
+mdcas22:	.long	0xaaaaaaaa
+msc2:		.long	0x42196669
+smcnfg:		.long	0x00000000
+
+BCR:		.long	ASSABET_BCR
+BCR_DB1110:	.long	ASSABET_BCR_DB1110
+LEDS:		.long	NEPONSET_LEDS
+
+
+	.globl memsetup
+memsetup:
+
+	/* Setting up the memory and stuff */
+
+	ldr	r0, MEM_BASE
+	ldr	r1, mdcas00
+	str	r1, [r0, #MDCAS00]
+	ldr	r1, mdcas01
+	str	r1, [r0, #MDCAS01]
+	ldr	r1, mdcas02
+	str	r1, [r0, #MDCAS02]
+	ldr	r1, mdcas20
+	str	r1, [r0, #MDCAS20]
+	ldr	r1, mdcas21
+	str	r1, [r0, #MDCAS21]
+	ldr	r1, mdcas22
+	str	r1, [r0, #MDCAS22]
+	ldr	r1, mdrefr
+	str	r1, [r0, #MDREFR]
+	ldr	r1, mecr
+	str	r1, [r0, #MECR]
+	ldr	r1, msc0
+	str	r1, [r0, #MSC0]
+	ldr	r1, msc1
+	str	r1, [r0, #MSC1]
+	ldr	r1, msc2
+	str	r1, [r0, #MSC2]
+	ldr	r1, smcnfg
+	str	r1, [r0, #SMCNFG]
+
+	ldr	r1, mdcnfg
+	str	r1, [r0, #MDCNFG]
+
+	/* Load something to activate bank */
+	ldr	r2, MEM_START
+.rept	8
+	ldr	r3, [r2]
+.endr
+
+	/* Enable SDRAM */
+	orr	r1, r1, #0x00000001
+	str	r1, [r0, #MDCNFG]
+
+	ldr	r1, BCR
+	ldr	r2, BCR_DB1110
+	str	r2, [r1]
+
+	ldr	r1, LEDS
+	mov	r0, #0x3
+	str	r0, [r1]
+
+	/* All done... */
+	mov	pc, lr

board/assabet/u-boot.lds

@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * 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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+		cpu/sa1100/start.o	(.text)
+		*(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}

doc/README.PXA_CF

@@ -1,15 +1,15 @@
 
-These are brief instructions on how to add support for CF adapters to 
-custom designed  PXA boards. You need to set the parameters in the 
+These are brief instructions on how to add support for CF adapters to
+custom designed  PXA boards. You need to set the parameters in the
 config file. This should work for most implementations especially if you
 follow the connections of the standard lubbock. Anyway just the block
-marked memory configuration should be touched since the other parameters 
+marked memory configuration should be touched since the other parameters
 are imposed by the PXA architecture.
 
 #define CONFIG_PXA_PCMCIA 1
 #define CONFIG_PXA_IDE 1
 
-#define CONFIG_PCMCIA_SLOT_A 1	
+#define CONFIG_PCMCIA_SLOT_A 1
 /* just to keep build system happy  */
 
 #define CFG_PCMCIA_MEM_ADDR     0x28000000
@@ -24,9 +24,9 @@ are imposed by the PXA architecture.
 #define CFG_MCIO1_VAL		0x00000000
 /* memory configuration */
 
-#define CFG_IDE_MAXBUS		1	
+#define CFG_IDE_MAXBUS		1
 /* max. 1 IDE bus		*/
-#define CFG_IDE_MAXDEVICE	1	
+#define CFG_IDE_MAXDEVICE	1
 /* max. 1 drive per IDE bus	*/
 
 #define CFG_ATA_IDE0_OFFSET	0x0000
@@ -41,10 +41,8 @@ are imposed by the PXA architecture.
 
 /* Offset for alternate registers	*/
 #define CFG_ATA_ALT_OFFSET	0x3f0
-	
 
-Another important point is that maybe you have to power the pcmcia 
+
+Another important point is that maybe you have to power the pcmcia
 subsystem. This is very board specific, for an example on how to
 do it please search for CONFIG_EXADRON1 in cmd_pcmcia.c
-
-

include/configs/assabet.h

@@ -0,0 +1,164 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * Configuation settings for the Intel Assabet board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#undef DEBUG
+
+#define CONFIG_INIT_CRITICAL
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_SA1110		1	/* This is an SA1100 CPU        */
+#define CONFIG_ASSABET		1	/* on an Intel Assabet Board    */
+
+#undef CONFIG_USE_IRQ
+
+#define CONFIG_CMDLINE_TAG	 1	/* enable passing of ATAGs      */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG	 1
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN          (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE       128	/* size rsrvd for initial data */
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_DRIVER_LAN91C96	/* we have an SMC9194 on-board */
+#define CONFIG_LAN91C96_BASE	0x18000000
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL1          1	/* we use SERIAL 1 on Intel Assabet */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE		115200
+
+#define CONFIG_COMMANDS		(CONFIG_CMD_DFL | CFG_CMD_DHCP)
+#define CONFIG_BOOTP_MASK	CONFIG_BOOTP_DEFAULT
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTARGS		"console=ttySA0,115200n8 root=/dev/nfs ip=bootp"
+#define CONFIG_BOOTCOMMAND	"bootp;tftp;bootm"
+#define CFG_AUTOLOAD            "n"	/* No autoload */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP		/* undef to save memory         */
+#define CFG_PROMPT		"Intel Assabet # "	/* Monitor Command Prompt       */
+#define CFG_CBSIZE		256	/* Console I/O Buffer Size      */
+#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_MEMTEST_START	0xc0400000	/* memtest works on     */
+#define CFG_MEMTEST_END		0xc0800000	/* 4 ... 8 MB in DRAM   */
+
+#undef  CFG_CLKS_IN_HZ
+
+#define CFG_LOAD_ADDR		0xc0000000	/* default load address */
+
+#define CFG_HZ			3686400	/* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED		0x0a	/* set core clock to 206MHz */
+
+						/* valid baudrates */
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * 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
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS	1	/* we have 1 bank of SDRAM */
+#define PHYS_SDRAM_1		0xc0000000	/* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE	0x02000000	/* 32 MB */
+
+#define PHYS_FLASH_1		0x00000000	/* Flash Bank #1 */
+#define PHYS_FLASH_SIZE		0x02000000	/* 32 MB */
+#define PHYS_FLASH_BANK_SIZE    0x01000000	/* 16 MB Banks */
+#define PHYS_FLASH_SECT_SIZE    0x00040000	/* 256 KB sectors (x2) */
+
+#define CFG_MONITOR_BASE        TEXT_BASE
+#define CFG_MONITOR_LEN         (256 * 1024)	/* Reserve 256 KB for Monitor */
+
+#if CFG_MONITOR_BASE < CFG_FLASH_BASE
+#define CFG_RAMSTART
+#endif
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+
+#define CFG_FLASH_BASE		PHYS_FLASH_1
+#define CFG_FLASH_SIZE          PHYS_FLASH_SIZE
+#define CFG_FLASH_CFI           1	/* flash is CFI conformant      */
+#define CFG_FLASH_CFI_DRIVER    1	/* use common cfi driver        */
+#define CFG_FLASH_USE_BUFFER_WRITE 1	/* use buffered writes (20x faster) */
+#define CFG_MAX_FLASH_BANKS     1	/* max # of memory banks        */
+#define CFG_FLASH_INCREMENT     0	/* there is only one bank       */
+#define CFG_MAX_FLASH_SECT      128	/* max # of sectors on one chip */
+#undef CFG_FLASH_PROTECTION
+#define CFG_FLASH_BANKS_LIST    { CFG_FLASH_BASE }
+
+#define CFG_ENV_IS_IN_FLASH	1
+
+#if defined(CFG_ENV_IS_IN_FLASH)
+#define CFG_ENV_IN_OWN_SECTOR	1
+#define CFG_ENV_ADDR		(PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE)
+#define CFG_ENV_SIZE		PHYS_FLASH_SECT_SIZE
+#define CFG_ENV_SECT_SIZE	PHYS_FLASH_SECT_SIZE
+#endif
+
+#endif /* __CONFIG_H */