Add support for AT91SAM9260EK

Support for booting from internal DataFlash, external DataFlash card
or NAND flash is available.

Signed-off-by: Stelian Pop <stelian@popies.net>

7 files changed, 397 insertions, 4 deletions

diff --git a/include/asm-arm/arch-at91sam9/at91cap9.h b/include/asm-arm/arch-at91sam9/at91cap9.h
index bac83ad..e16909c 100644
--- a/include/asm-arm/arch-at91sam9/at91cap9.h
+++ b/include/asm-arm/arch-at91sam9/at91cap9.h
@@ -107,7 +107,6 @@
 #define AT91_USART1	AT91CAP9_BASE_US1
 #define AT91_USART2	AT91CAP9_BASE_US2
 
-
 /*
  * Internal Memory.
  */
diff --git a/include/asm-arm/arch-at91sam9/at91sam9260.h b/include/asm-arm/arch-at91sam9/at91sam9260.h
new file mode 100644
index 0000000..1bf4598
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9260.h
@@ -0,0 +1,124 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9260.h
+ *
+ * (C) 2006 Andrew Victor
+ *
+ * Common definitions.
+ * Based on AT91SAM9260 datasheet revision A (Preliminary).
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9260_H
+#define AT91SAM9260_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS		1	/* System Peripherals */
+#define AT91SAM9260_ID_PIOA	2	/* Parallel IO Controller A */
+#define AT91SAM9260_ID_PIOB	3	/* Parallel IO Controller B */
+#define AT91SAM9260_ID_PIOC	4	/* Parallel IO Controller C */
+#define AT91SAM9260_ID_ADC	5	/* Analog-to-Digital Converter */
+#define AT91SAM9260_ID_US0	6	/* USART 0 */
+#define AT91SAM9260_ID_US1	7	/* USART 1 */
+#define AT91SAM9260_ID_US2	8	/* USART 2 */
+#define AT91SAM9260_ID_MCI	9	/* Multimedia Card Interface */
+#define AT91SAM9260_ID_UDP	10	/* USB Device Port */
+#define AT91SAM9260_ID_TWI	11	/* Two-Wire Interface */
+#define AT91SAM9260_ID_SPI0	12	/* Serial Peripheral Interface 0 */
+#define AT91SAM9260_ID_SPI1	13	/* Serial Peripheral Interface 1 */
+#define AT91SAM9260_ID_SSC	14	/* Serial Synchronous Controller */
+#define AT91SAM9260_ID_TC0	17	/* Timer Counter 0 */
+#define AT91SAM9260_ID_TC1	18	/* Timer Counter 1 */
+#define AT91SAM9260_ID_TC2	19	/* Timer Counter 2 */
+#define AT91SAM9260_ID_UHP	20	/* USB Host port */
+#define AT91SAM9260_ID_EMAC	21	/* Ethernet */
+#define AT91SAM9260_ID_ISI	22	/* Image Sensor Interface */
+#define AT91SAM9260_ID_US3	23	/* USART 3 */
+#define AT91SAM9260_ID_US4	24	/* USART 4 */
+#define AT91SAM9260_ID_US5	25	/* USART 5 */
+#define AT91SAM9260_ID_TC3	26	/* Timer Counter 3 */
+#define AT91SAM9260_ID_TC4	27	/* Timer Counter 4 */
+#define AT91SAM9260_ID_TC5	28	/* Timer Counter 5 */
+#define AT91SAM9260_ID_IRQ0	29	/* Advanced Interrupt Controller (IRQ0) */
+#define AT91SAM9260_ID_IRQ1	30	/* Advanced Interrupt Controller (IRQ1) */
+#define AT91SAM9260_ID_IRQ2	31	/* Advanced Interrupt Controller (IRQ2) */
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define AT91SAM9260_BASE_TCB0		0xfffa0000
+#define AT91SAM9260_BASE_TC0		0xfffa0000
+#define AT91SAM9260_BASE_TC1		0xfffa0040
+#define AT91SAM9260_BASE_TC2		0xfffa0080
+#define AT91SAM9260_BASE_UDP		0xfffa4000
+#define AT91SAM9260_BASE_MCI		0xfffa8000
+#define AT91SAM9260_BASE_TWI		0xfffac000
+#define AT91SAM9260_BASE_US0		0xfffb0000
+#define AT91SAM9260_BASE_US1		0xfffb4000
+#define AT91SAM9260_BASE_US2		0xfffb8000
+#define AT91SAM9260_BASE_SSC		0xfffbc000
+#define AT91SAM9260_BASE_ISI		0xfffc0000
+#define AT91SAM9260_BASE_EMAC		0xfffc4000
+#define AT91SAM9260_BASE_SPI0		0xfffc8000
+#define AT91SAM9260_BASE_SPI1		0xfffcc000
+#define AT91SAM9260_BASE_US3		0xfffd0000
+#define AT91SAM9260_BASE_US4		0xfffd4000
+#define AT91SAM9260_BASE_US5		0xfffd8000
+#define AT91SAM9260_BASE_TCB1		0xfffdc000
+#define AT91SAM9260_BASE_TC3		0xfffdc000
+#define AT91SAM9260_BASE_TC4		0xfffdc040
+#define AT91SAM9260_BASE_TC5		0xfffdc080
+#define AT91SAM9260_BASE_ADC		0xfffe0000
+#define AT91_BASE_SYS			0xffffe800
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_ECC	(0xffffe800 - AT91_BASE_SYS)
+#define AT91_SDRAMC	(0xffffea00 - AT91_BASE_SYS)
+#define AT91_SMC	(0xffffec00 - AT91_BASE_SYS)
+#define AT91_MATRIX	(0xffffee00 - AT91_BASE_SYS)
+#define AT91_CCFG	(0xffffef10 - AT91_BASE_SYS)
+#define AT91_AIC	(0xfffff000 - AT91_BASE_SYS)
+#define AT91_DBGU	(0xfffff200 - AT91_BASE_SYS)
+#define AT91_PIOA	(0xfffff400 - AT91_BASE_SYS)
+#define AT91_PIOB	(0xfffff600 - AT91_BASE_SYS)
+#define AT91_PIOC	(0xfffff800 - AT91_BASE_SYS)
+#define AT91_PMC	(0xfffffc00 - AT91_BASE_SYS)
+#define AT91_RSTC	(0xfffffd00 - AT91_BASE_SYS)
+#define AT91_SHDWC	(0xfffffd10 - AT91_BASE_SYS)
+#define AT91_RTT	(0xfffffd20 - AT91_BASE_SYS)
+#define AT91_PIT	(0xfffffd30 - AT91_BASE_SYS)
+#define AT91_WDT	(0xfffffd40 - AT91_BASE_SYS)
+#define AT91_GPBR	(0xfffffd50 - AT91_BASE_SYS)
+
+#define AT91_USART0	AT91SAM9260_BASE_US0
+#define AT91_USART1	AT91SAM9260_BASE_US1
+#define AT91_USART2	AT91SAM9260_BASE_US2
+#define AT91_USART3	AT91SAM9260_BASE_US3
+#define AT91_USART4	AT91SAM9260_BASE_US4
+#define AT91_USART5	AT91SAM9260_BASE_US5
+
+/*
+ * Internal Memory.
+ */
+#define AT91SAM9260_ROM_BASE	0x00100000	/* Internal ROM base address */
+#define AT91SAM9260_ROM_SIZE	SZ_32K		/* Internal ROM size (32Kb) */
+
+#define AT91SAM9260_SRAM0_BASE	0x00200000	/* Internal SRAM 0 base address */
+#define AT91SAM9260_SRAM0_SIZE	SZ_4K		/* Internal SRAM 0 size (4Kb) */
+#define AT91SAM9260_SRAM1_BASE	0x00300000	/* Internal SRAM 1 base address */
+#define AT91SAM9260_SRAM1_SIZE	SZ_4K		/* Internal SRAM 1 size (4Kb) */
+
+#define AT91SAM9260_UHP_BASE	0x00500000	/* USB Host controller */
+
+#define AT91SAM9XE_FLASH_BASE	0x00200000	/* Internal FLASH base address */
+#define AT91SAM9XE_SRAM_BASE	0x00300000	/* Internal SRAM base address */
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/at91sam9260_matrix.h b/include/asm-arm/arch-at91sam9/at91sam9260_matrix.h
new file mode 100644
index 0000000..a8e9fec
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9260_matrix.h
@@ -0,0 +1,78 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9260_matrix.h
+ *
+ * Memory Controllers (MATRIX, EBI) - System peripherals registers.
+ * Based on AT91SAM9260 datasheet revision B.
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9260_MATRIX_H
+#define AT91SAM9260_MATRIX_H
+
+#define AT91_MATRIX_MCFG0	(AT91_MATRIX + 0x00)	/* Master Configuration Register 0 */
+#define AT91_MATRIX_MCFG1	(AT91_MATRIX + 0x04)	/* Master Configuration Register 1 */
+#define AT91_MATRIX_MCFG2	(AT91_MATRIX + 0x08)	/* Master Configuration Register 2 */
+#define AT91_MATRIX_MCFG3	(AT91_MATRIX + 0x0C)	/* Master Configuration Register 3 */
+#define AT91_MATRIX_MCFG4	(AT91_MATRIX + 0x10)	/* Master Configuration Register 4 */
+#define AT91_MATRIX_MCFG5	(AT91_MATRIX + 0x14)	/* Master Configuration Register 5 */
+#define		AT91_MATRIX_ULBT		(7 << 0)	/* Undefined Length Burst Type */
+#define			AT91_MATRIX_ULBT_INFINITE	(0 << 0)
+#define			AT91_MATRIX_ULBT_SINGLE		(1 << 0)
+#define			AT91_MATRIX_ULBT_FOUR		(2 << 0)
+#define			AT91_MATRIX_ULBT_EIGHT		(3 << 0)
+#define			AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
+
+#define AT91_MATRIX_SCFG0	(AT91_MATRIX + 0x40)	/* Slave Configuration Register 0 */
+#define AT91_MATRIX_SCFG1	(AT91_MATRIX + 0x44)	/* Slave Configuration Register 1 */
+#define AT91_MATRIX_SCFG2	(AT91_MATRIX + 0x48)	/* Slave Configuration Register 2 */
+#define AT91_MATRIX_SCFG3	(AT91_MATRIX + 0x4C)	/* Slave Configuration Register 3 */
+#define AT91_MATRIX_SCFG4	(AT91_MATRIX + 0x50)	/* Slave Configuration Register 4 */
+#define		AT91_MATRIX_SLOT_CYCLE		(0xff <<  0)	/* Maximum Number of Allowed Cycles for a Burst */
+#define		AT91_MATRIX_DEFMSTR_TYPE	(3    << 16)	/* Default Master Type */
+#define			AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
+#define		AT91_MATRIX_FIXED_DEFMSTR	(7    << 18)	/* Fixed Index of Default Master */
+#define		AT91_MATRIX_ARBT		(3    << 24)	/* Arbitration Type */
+#define			AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
+#define			AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
+
+#define AT91_MATRIX_PRAS0	(AT91_MATRIX + 0x80)	/* Priority Register A for Slave 0 */
+#define AT91_MATRIX_PRAS1	(AT91_MATRIX + 0x88)	/* Priority Register A for Slave 1 */
+#define AT91_MATRIX_PRAS2	(AT91_MATRIX + 0x90)	/* Priority Register A for Slave 2 */
+#define AT91_MATRIX_PRAS3	(AT91_MATRIX + 0x98)	/* Priority Register A for Slave 3 */
+#define AT91_MATRIX_PRAS4	(AT91_MATRIX + 0xA0)	/* Priority Register A for Slave 4 */
+#define		AT91_MATRIX_M0PR		(3 << 0)	/* Master 0 Priority */
+#define		AT91_MATRIX_M1PR		(3 << 4)	/* Master 1 Priority */
+#define		AT91_MATRIX_M2PR		(3 << 8)	/* Master 2 Priority */
+#define		AT91_MATRIX_M3PR		(3 << 12)	/* Master 3 Priority */
+#define		AT91_MATRIX_M4PR		(3 << 16)	/* Master 4 Priority */
+#define		AT91_MATRIX_M5PR		(3 << 20)	/* Master 5 Priority */
+
+#define AT91_MATRIX_MRCR	(AT91_MATRIX + 0x100)	/* Master Remap Control Register */
+#define		AT91_MATRIX_RCB0		(1 << 0)	/* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
+#define		AT91_MATRIX_RCB1		(1 << 1)	/* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
+
+#define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x11C)	/* EBI Chip Select Assignment Register */
+#define		AT91_MATRIX_CS1A		(1 << 1)	/* Chip Select 1 Assignment */
+#define			AT91_MATRIX_CS1A_SMC		(0 << 1)
+#define			AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
+#define		AT91_MATRIX_CS3A		(1 << 3)	/* Chip Select 3 Assignment */
+#define			AT91_MATRIX_CS3A_SMC		(0 << 3)
+#define			AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
+#define		AT91_MATRIX_CS4A		(1 << 4)	/* Chip Select 4 Assignment */
+#define			AT91_MATRIX_CS4A_SMC		(0 << 4)
+#define			AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
+#define		AT91_MATRIX_CS5A		(1 << 5)	/* Chip Select 5 Assignment */
+#define			AT91_MATRIX_CS5A_SMC		(0 << 5)
+#define			AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
+#define		AT91_MATRIX_DBPUC		(1 << 8)	/* Data Bus Pull-up Configuration */
+#define		AT91_MATRIX_VDDIOMSEL		(1 << 16)	/* Memory voltage selection */
+#define			AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
+#define			AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/at91sam926x_mc.h b/include/asm-arm/arch-at91sam9/at91sam926x_mc.h
index d82631c..041138f 100644
--- a/include/asm-arm/arch-at91sam9/at91sam926x_mc.h
+++ b/include/asm-arm/arch-at91sam9/at91sam926x_mc.h
@@ -79,7 +79,6 @@
 #define			AT91_SDRAMC_MD_SDRAM		0
 #define			AT91_SDRAMC_MD_LOW_POWER_SDRAM	1
 
-
 /* Static Memory Controller (SMC) registers */
 #define AT91_SMC_SETUP(n)	(AT91_SMC + 0x00 + ((n)*0x10))	/* Setup Register for CS n */
 #define		AT91_SMC_NWESETUP	(0x3f << 0)			/* NWE Setup Length */
diff --git a/include/asm-arm/arch-at91sam9/gpio.h b/include/asm-arm/arch-at91sam9/gpio.h
index cdd9cc2..2500eae 100644
--- a/include/asm-arm/arch-at91sam9/gpio.h
+++ b/include/asm-arm/arch-at91sam9/gpio.h
@@ -200,7 +200,6 @@ static unsigned long at91_pios[] = {
 #endif
 };
 
-
 static inline void *pin_to_controller(unsigned pin)
 {
 	pin -= PIN_BASE;
@@ -228,7 +227,6 @@ static inline int at91_set_GPIO_periph(unsigned pin, int use_pullup)
 	return 0;
 }
 
-
 /*
  * mux the pin to the "A" internal peripheral role.
  */
diff --git a/include/asm-arm/arch-at91sam9/hardware.h b/include/asm-arm/arch-at91sam9/hardware.h
index 0d889ff..80b334f 100644
--- a/include/asm-arm/arch-at91sam9/hardware.h
+++ b/include/asm-arm/arch-at91sam9/hardware.h
@@ -20,6 +20,10 @@
 #include <asm/arch/at91rm9200.h>
 #elif defined(CONFIG_AT91SAM9260)
 #include <asm/arch/at91sam9260.h>
+#define AT91_BASE_EMAC	AT91SAM9260_BASE_EMAC
+#define AT91_BASE_SPI	AT91SAM9260_BASE_SPI0
+#define AT91_ID_UHP	AT91SAM9260_ID_UHP
+#define AT91_PMC_UHP	AT91SAM926x_PMC_UHP
 #elif defined(CONFIG_AT91SAM9261)
 #include <asm/arch/at91sam9261.h>
 #elif defined(CONFIG_AT91SAM9263)
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
new file mode 100644
index 0000000..96d1b8d
--- /dev/null
+++ b/include/configs/at91sam9260ek.h
@@ -0,0 +1,191 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91SAM9260EK 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		198656000	/* from 18.432 MHz crystal */
+#define AT91_MASTER_CLOCK	99328000	/* peripheral = main / 2 */
+#define CFG_HZ			1000000		/* 1us resolution */
+
+#define AT91_SLOW_CLOCK		32768	/* slow clock */
+
+#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
+#define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
+#define CONFIG_AT91SAM9260EK	1	/* on an AT91SAM9260EK Board	*/
+#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 */
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+				"root=/dev/mtdblock0 rw rootfstype=jffs2"
+
+/* #define CONFIG_ENV_OVERWRITE	1 */
+
+/*
+ * 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_IMI
+#undef CONFIG_CMD_AUTOSCRIPT
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_IMLS
+
+#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_HAS_DATAFLASH		1
+#define CFG_SPI_WRITE_TOUT		(5*CFG_HZ)
+#define CFG_MAX_DATAFLASH_BANKS		2
+#define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define CFG_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
+#define AT91_SPI_CLK			33000000
+#define DATAFLASH_TCSS			(0x1a << 16)
+#define DATAFLASH_TCHS			(0x1 << 24)
+
+/* NAND flash */
+#define NAND_MAX_CHIPS			1
+#define CFG_MAX_NAND_DEVICE		1
+#define CFG_NAND_BASE			0x40000000
+
+/* NOR flash - no real flash on this board */
+#define CFG_NO_FLASH			1
+
+/* Ethernet */
+#define CONFIG_MACB			1
+#define CONFIG_RMII			1
+#define CONFIG_NET_MULTI		1
+#define CONFIG_NET_RETRY_COUNT		20
+#define CONFIG_RESET_PHY_R		1
+
+/* USB */
+#define CONFIG_USB_OHCI_NEW		1
+#define LITTLEENDIAN			1
+#define CONFIG_DOS_PARTITION		1
+#define CFG_USB_OHCI_CPU_INIT		1
+#define CFG_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
+#define CFG_USB_OHCI_SLOT_NAME		"at91sam9260"
+#define CFG_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE		1
+
+#define CFG_LOAD_ADDR			0x22000000	/* load address */
+
+#define CFG_MEMTEST_START		PHYS_SDRAM
+#define CFG_MEMTEST_END			0x23e00000
+
+#undef CFG_USE_DATAFLASH_CS0
+#define CFG_USE_DATAFLASH_CS1		1
+#undef CFG_USE_NANDFLASH
+
+#ifdef CFG_USE_DATAFLASH_CS0
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CFG_ENV_IS_IN_DATAFLASH	1
+#define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
+#define CFG_ENV_OFFSET		0x4200
+#define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
+#define CFG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xC003DE00 0x22000000 0x200040; bootm"
+
+#elif CFG_USE_DATAFLASH_CS1
+
+/* bootstrap + u-boot + env + linux in dataflash on CS1 */
+#define CFG_ENV_IS_IN_DATAFLASH	1
+#define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
+#define CFG_ENV_OFFSET		0x4200
+#define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS1 + CFG_ENV_OFFSET)
+#define CFG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xD003DE00 0x22000000 0x200040; bootm"
+
+#else /* CFG_USE_NANDFLASH */
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CFG_ENV_IS_IN_NAND	1
+#define CFG_ENV_OFFSET		0x60000
+#define CFG_ENV_OFFSET_REDUND	0x80000
+#define CFG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
+
+#endif
+
+#define CONFIG_BAUDRATE		115200
+#define CFG_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
+
+#define CFG_PROMPT		"U-Boot> "
+#define CFG_CBSIZE		256
+#define CFG_MAXARGS		16
+#define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_LONGHELP		1
+#define CONFIG_CMDLINE_EDITING	1
+
+#define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN		ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
+#define CFG_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