Patchwork [U-Boot,03/03,v3] Add support for Olimex SAM9-L9260 SBC

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Submitter Dimitar Dimitrov
Date July 15, 2009, 4 p.m.
Message ID <200907151900.16519.dinuxbg@gmail.com>
Download mbox | patch
Permalink /patch/71665/
State Not Applicable
Delegated to: Reinhard Meyer
Headers show

Comments

Dimitar Dimitrov - July 15, 2009, 4 p.m.
The SAM9-L9260 board support is based on code for AT91SAM9260EK. Networking
is missing and will be added after the MACB support for AT91 boards is
fixed to comply with U-Boot guide-lines.

Signed-off-by: Dimitar Dimitrov <dinuxbg@gmail.com>
---
 MAINTAINERS                          |    1 +
 MAKEALL                              |    1 +
 Makefile                             |   17 +++
 board/olimex/sam9_l9260/Makefile     |   56 +++++++++
 board/olimex/sam9_l9260/config.mk    |    1 +
 board/olimex/sam9_l9260/led.c        |   41 +++++++
 board/olimex/sam9_l9260/partition.c  |   40 +++++++
 board/olimex/sam9_l9260/sam9_l9260.c |  111 ++++++++++++++++++
 include/configs/sam9_l9260.h         |  214 ++++++++++++++++++++++++++++++++++
 9 files changed, 482 insertions(+), 0 deletions(-)
 create mode 100644 board/olimex/sam9_l9260/Makefile
 create mode 100644 board/olimex/sam9_l9260/config.mk
 create mode 100644 board/olimex/sam9_l9260/led.c
 create mode 100644 board/olimex/sam9_l9260/partition.c
 create mode 100644 board/olimex/sam9_l9260/sam9_l9260.c
 create mode 100644 include/configs/sam9_l9260.h

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index dfcccf5..8487c36 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -134,6 +134,7 @@  Jon Diekema <jon.diekema@smiths-aerospace.com>
 	sbc8260		MPC8260
 
 Dimitar Dimitrov <dinuxbg@gmail.com>
+	sam9_l9260	AT91SAM9260
 	sam9_l9261	AT91SAM9261
 
 Dirk Eibach <eibach@gdsys.de>
diff --git a/MAKEALL b/MAKEALL
index ecabfcf..57d04de 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -599,6 +599,7 @@  LIST_at91="			\
 	m501sk			\
 	pm9261			\
 	pm9263			\
+	sam9_l9260		\
 	sam9_l9261		\
 "
 
diff --git a/Makefile b/Makefile
index b19c3b0..1e39850 100644
--- a/Makefile
+++ b/Makefile
@@ -2847,6 +2847,23 @@  at91sam9g45ekes_config	:	unconfig
 pm9263_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm926ejs pm9263 ronetix at91
 
+sam9_l9260_nandflash_config \
+sam9_l9260_dataflash_cs0_config \
+sam9_l9260_dataflash_cs1_config \
+sam9_l9260_config :	unconfig
+	@mkdir -p $(obj)include
+	@if [ "$(findstring _nandflash,$@)" ] ; then \
+		echo "#define CONFIG_SYS_USE_NANDFLASH 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in NAND FLASH" ; \
+	elif [ "$(findstring dataflash_cs0,$@)" ] ; then \
+		echo "#define CONFIG_SYS_USE_DATAFLASH_CS0 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+	else \
+		echo "#define CONFIG_SYS_USE_DATAFLASH_CS1 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in SPI DATAFLASH CS1" ; \
+	fi;
+	@$(MKCONFIG) -a sam9_l9260 arm arm926ejs sam9_l9260 olimex at91
+
 sam9_l9261_nandflash_config \
 sam9_l9261_dataflash_cs0_config \
 sam9_l9261_dataflash_cs3_config \
diff --git a/board/olimex/sam9_l9260/Makefile b/board/olimex/sam9_l9260/Makefile
new file mode 100644
index 0000000..39db0ea
--- /dev/null
+++ b/board/olimex/sam9_l9260/Makefile
@@ -0,0 +1,56 @@ 
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian.pop@leadtechdesign.com>
+# Lead Tech Design <www.leadtechdesign.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	= $(obj)lib$(BOARD).a
+
+COBJS-y	+= sam9_l9260.o
+COBJS-y	+= led.o
+COBJS-$(CONFIG_HAS_DATAFLASH) += partition.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/olimex/sam9_l9260/config.mk b/board/olimex/sam9_l9260/config.mk
new file mode 100644
index 0000000..ff2cfd1
--- /dev/null
+++ b/board/olimex/sam9_l9260/config.mk
@@ -0,0 +1 @@ 
+TEXT_BASE = 0x23f00000
diff --git a/board/olimex/sam9_l9260/led.c b/board/olimex/sam9_l9260/led.c
new file mode 100644
index 0000000..2424d27
--- /dev/null
+++ b/board/olimex/sam9_l9260/led.c
@@ -0,0 +1,41 @@ 
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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 <common.h>
+#include <asm/arch/at91sam9260.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+
+void coloured_LED_init(void)
+{
+	/* Enable clock */
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOA);
+
+	at91_set_gpio_output(CONFIG_RED_LED, 1);
+	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
+
+	at91_set_gpio_value(CONFIG_RED_LED, 0);
+	at91_set_gpio_value(CONFIG_GREEN_LED, 1);
+}
diff --git a/board/olimex/sam9_l9260/partition.c b/board/olimex/sam9_l9260/partition.c
new file mode 100644
index 0000000..2629c67
--- /dev/null
+++ b/board/olimex/sam9_l9260/partition.c
@@ -0,0 +1,40 @@ 
+/*
+ * (C) Copyright 2008
+ * Ulf Samuelsson <ulf@atmel.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
+ * 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 <config.h>
+#include <asm/hardware.h>
+#include <dataflash.h>
+
+AT91S_DATAFLASH_INFO dataflash_info[CONFIG_SYS_MAX_DATAFLASH_BANKS];
+
+struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS] = {
+	{CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0, 0},	/* Logical adress, CS */
+	{CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1, 1}
+};
+
+/*define the area offsets*/
+dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
+	{0x00000000, 0x000041FF, FLAG_PROTECT_SET,   0, "Bootstrap"},
+	{0x00004200, 0x000083FF, FLAG_PROTECT_CLEAR, 0, "Environment"},
+	{0x00008400, 0x00041FFF, FLAG_PROTECT_SET,   0, "U-Boot"},
+	{0x00042000, 0x00251FFF, FLAG_PROTECT_CLEAR, 0,	"Kernel"},
+	{0x00252000, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, 0,	"FS"},
+};
diff --git a/board/olimex/sam9_l9260/sam9_l9260.c b/board/olimex/sam9_l9260/sam9_l9260.c
new file mode 100644
index 0000000..30ea3d0
--- /dev/null
+++ b/board/olimex/sam9_l9260/sam9_l9260.c
@@ -0,0 +1,111 @@ 
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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 <common.h>
+#include <asm/arch/at91sam9260.h>
+#include <asm/arch/at91sam9260_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#include <asm/arch/hardware.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+#ifdef CONFIG_CMD_NAND
+static void at91sam9260_nand_hw_init(void)
+{
+	unsigned long csa;
+
+	/* Enable CS3 */
+	csa = at91_sys_read(AT91_MATRIX_EBICSA);
+	at91_sys_write(AT91_MATRIX_EBICSA,
+		       csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	at91_sys_write(AT91_SMC_SETUP(3),
+		       AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
+		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
+	at91_sys_write(AT91_SMC_PULSE(3),
+		       AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
+		       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
+	at91_sys_write(AT91_SMC_CYCLE(3),
+		       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
+	at91_sys_write(AT91_SMC_MODE(3),
+		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+		       AT91_SMC_EXNWMODE_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+		       AT91_SMC_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+		       AT91_SMC_DBW_8 |
+#endif
+		       AT91_SMC_TDF_(2));
+
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+
+	/* Configure RDY/BSY */
+	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+
+	/* Enable NandFlash */
+	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+}
+#endif
+
+
+int board_init(void)
+{
+	/* Enable Ctrlc */
+	console_init_f();
+
+	/* arch number of SAM9_L9260-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_SAM9_L9260;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	at91_serial_hw_init();
+#ifdef CONFIG_CMD_NAND
+	at91sam9260_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+	at91_spi0_hw_init((1 << 0) || (1 << 1));
+#endif
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+	return 0;
+}
+
diff --git a/include/configs/sam9_l9260.h b/include/configs/sam9_l9260.h
new file mode 100644
index 0000000..9232c13
--- /dev/null
+++ b/include/configs/sam9_l9260.h
@@ -0,0 +1,214 @@ 
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ * Dimitar Dimitrov <dimitar@olimex.com>
+ *
+ * Configuation settings for the SAM9-L9260 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
+
+/* ARM asynchronous clock */
+#define AT91_MAIN_CLOCK		18432000	/* 18.432 MHz crystal */
+#define CONFIG_SYS_HZ		1000
+
+#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
+
+#define AT91_CPU_NAME		"AT91SAM9260"
+#define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
+#define CONFIG_SAM9_L9260	1	/* on an SAM9_L9260 Board	*/
+
+#define CONFIG_ARCH_CPU_INIT
+#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
+
+#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG	1
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_ATMEL_USART	1
+#undef CONFIG_USART0
+#undef CONFIG_USART1
+#undef CONFIG_USART2
+#define CONFIG_USART3		1	/* USART 3 is DBGU */
+
+/* LED */
+#define CONFIG_AT91_LED
+#define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
+#define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
+
+#define CONFIG_BOOTDELAY	3
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE	1
+#define CONFIG_BOOTP_BOOTPATH		1
+#define CONFIG_BOOTP_GATEWAY		1
+#define CONFIG_BOOTP_HOSTNAME		1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_SOURCE
+
+#define CONFIG_CMD_PING		1
+#define CONFIG_CMD_DHCP		1
+#define CONFIG_CMD_NAND		1
+#define CONFIG_CMD_USB		1
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			0x20000000
+#define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
+
+/* DataFlash */
+#define CONFIG_ATMEL_DATAFLASH_SPI
+#define CONFIG_HAS_DATAFLASH		1
+#define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
+#define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
+#define AT91_SPI_CLK			15000000
+#define DATAFLASH_TCSS			(0x1a << 16)
+#define DATAFLASH_TCHS			(0x1 << 24)
+
+/* NAND flash */
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE		1
+#define CONFIG_SYS_NAND_BASE			0x40000000
+#define CONFIG_SYS_NAND_DBW_8			1
+/* our ALE is AD21 */
+#define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
+/* our CLE is AD22 */
+#define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
+#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
+#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
+#endif
+
+/* NOR flash - no real flash on this board */
+#define CONFIG_SYS_NO_FLASH			1
+
+/* Ethernet */
+#define CONFIG_MACB			1
+#undef CONFIG_RMII
+#define CONFIG_NET_MULTI		1
+#define CONFIG_NET_RETRY_COUNT		20
+
+/* USB */
+#define CONFIG_USB_ATMEL
+#define CONFIG_USB_OHCI_NEW		1
+#define CONFIG_DOS_PARTITION		1
+#define CONFIG_SYS_USB_OHCI_CPU_INIT		1
+#define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE		1
+#define CONFIG_CMD_FAT			1
+
+#define CONFIG_SYS_LOAD_ADDR			0x22000000
+
+#define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
+#define CONFIG_SYS_MEMTEST_END			0x23e00000
+
+#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CONFIG_ENV_IS_IN_DATAFLASH	1
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
+#define CONFIG_ENV_OFFSET		0x4200
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
+				"root=/dev/mtdblock0 "			\
+				"mtdparts=at91_nand:-(root) "		\
+				"rw rootfstype=jffs2"
+
+#elif CONFIG_SYS_USE_DATAFLASH_CS1
+
+/* bootstrap + u-boot + env + linux in dataflash on CS1 */
+#define CONFIG_ENV_IS_IN_DATAFLASH	1
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
+#define CONFIG_ENV_OFFSET		0x4200
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
+				"root=/dev/mtdblock0 "			\
+				"mtdparts=at91_nand:-(root) "		\
+				"rw rootfstype=jffs2"
+
+#else /* CONFIG_SYS_USE_NANDFLASH */
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CONFIG_ENV_IS_IN_NAND	1
+#define CONFIG_ENV_OFFSET		0x60000
+#define CONFIG_ENV_OFFSET_REDUND	0x80000
+#define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
+				"root=/dev/mtdblock5 "			\
+				"mtdparts=at91_nand:128k(bootstrap)ro,"	\
+				"256k(uboot)ro,128k(env1)ro,"		\
+				"128k(env2)ro,2M(linux),-(root) "	\
+				"rw rootfstype=jffs2"
+
+#endif
+
+#define CONFIG_BAUDRATE		115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
+
+#define CONFIG_SYS_PROMPT		"U-Boot> "
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP		1
+#define CONFIG_CMDLINE_EDITING	1
+
+#define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
+#define CONFIG_SYS_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
+
+#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif