AT91CAP9 support : board/ files

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

board/at91cap9adk/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd <at> 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= at91cap9adk.o led.o nand.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+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 .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

board/at91cap9adk/at91cap9adk.c

@@ -0,0 +1,283 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> 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/AT91CAP9.h>
+
+#define MP_BLOCK_3_BASE	0xFDF00000
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void at91cap9_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	AT91C_BASE_PIOA->PIO_PDR = AT91C_PA22_TXD0 | AT91C_PA23_RXD0;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0;
+#endif
+
+#ifdef CONFIG_USART1
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_TXD1 | AT91C_PD1_RXD1;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US1;
+#endif
+
+#ifdef CONFIG_USART2
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD2_TXD2 | AT91C_PD3_RXD2;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US2;
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	AT91C_BASE_PIOC->PIO_PDR = AT91C_PC31_DTXD | AT91C_PC30_DRXD;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS;
+#endif
+
+
+}
+
+static void at91cap9_nor_hw_init(void)
+{
+	/* Ensure EBI supply is 3.3V */
+	AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_SUP_3V3;
+
+	/* Configure SMC CS0 for parallel flash */
+	AT91C_BASE_SMC->SMC_SETUP0 = AT91C_FLASH_NWE_SETUP |
+				     AT91C_FLASH_NCS_WR_SETUP |
+				     AT91C_FLASH_NRD_SETUP |
+				     AT91C_FLASH_NCS_RD_SETUP;
+
+	AT91C_BASE_SMC->SMC_PULSE0 = AT91C_FLASH_NWE_PULSE |
+				     AT91C_FLASH_NCS_WR_PULSE |
+				     AT91C_FLASH_NRD_PULSE |
+				     AT91C_FLASH_NCS_RD_PULSE;
+
+	AT91C_BASE_SMC->SMC_CYCLE0 = AT91C_FLASH_NWE_CYCLE |
+				     AT91C_FLASH_NRD_CYCLE;
+
+	AT91C_BASE_SMC->SMC_CTRL0 =  AT91C_SMC_READMODE |
+				     AT91C_SMC_WRITEMODE |
+				     AT91C_SMC_NWAITM_NWAIT_DISABLE |
+				     AT91C_SMC_BAT_BYTE_WRITE |
+				     AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS |
+				     (AT91C_SMC_TDF & (1 << 16));
+}
+
+#ifdef CONFIG_CMD_NAND
+static void at91cap9_nand_hw_init(void)
+{
+	/* Enable CS3 */
+	AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_CS3A_SM | AT91C_EBI_SUP_3V3;
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	AT91C_BASE_SMC->SMC_SETUP3 = AT91C_SM_NWE_SETUP |
+				     AT91C_SM_NCS_WR_SETUP |
+				     AT91C_SM_NRD_SETUP |
+				     AT91C_SM_NCS_RD_SETUP;
+
+	AT91C_BASE_SMC->SMC_PULSE3 = AT91C_SM_NWE_PULSE |
+				     AT91C_SM_NCS_WR_PULSE |
+				     AT91C_SM_NRD_PULSE |
+				     AT91C_SM_NCS_RD_PULSE;
+
+	AT91C_BASE_SMC->SMC_CYCLE3 = AT91C_SM_NWE_CYCLE |
+				     AT91C_SM_NRD_CYCLE;
+
+	AT91C_BASE_SMC->SMC_CTRL3 =  AT91C_SMC_READMODE |
+				     AT91C_SMC_WRITEMODE |
+				     AT91C_SMC_NWAITM_NWAIT_DISABLE |
+				     AT91C_SMC_DBW_WIDTH_EIGTH_BITS |
+				     AT91C_SM_TDF;
+
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD;
+
+	/* RDY/BSY is not connected */
+
+	/* Enable NandFlash */
+	AT91C_BASE_PIOD->PIO_PER = AT91C_PIO_PD15;
+	AT91C_BASE_PIOD->PIO_OER = AT91C_PIO_PD15;
+}
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+static void at91cap9_spi_hw_init(void)
+{
+	AT91C_BASE_PIOD->PIO_BSR = AT91C_PD0_SPI0_NPCS2D |
+				   AT91C_PD1_SPI0_NPCS3D;
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_SPI0_NPCS2D |
+				   AT91C_PD1_SPI0_NPCS3D;
+
+	AT91C_BASE_PIOA->PIO_ASR = AT91C_PA28_SPI0_NPCS3A;
+	AT91C_BASE_PIOA->PIO_BSR = AT91C_PA4_SPI0_NPCS2A |
+				   AT91C_PA1_SPI0_MOSI |
+				   AT91C_PA0_SPI0_MISO |
+				   AT91C_PA3_SPI0_NPCS1 |
+				   AT91C_PA5_SPI0_NPCS0 |
+				   AT91C_PA2_SPI0_SPCK;
+	AT91C_BASE_PIOA->PIO_PDR = AT91C_PA28_SPI0_NPCS3A |
+				   AT91C_PA4_SPI0_NPCS2A |
+				   AT91C_PA1_SPI0_MOSI |
+				   AT91C_PA0_SPI0_MISO |
+				   AT91C_PA3_SPI0_NPCS1 |
+				   AT91C_PA5_SPI0_NPCS0 |
+				   AT91C_PA2_SPI0_SPCK;
+
+	/* Enable Clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI0;
+}
+#endif
+
+#ifdef CONFIG_MACB
+static void at91cap9_macb_hw_init(void)
+{
+	unsigned int gpio;
+
+	/* Enable clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_EMAC;
+
+	/*
+	 * Disable pull-up on:
+	 *	RXDV (PB22) => PHY normal mode (not Test mode)
+	 *	ERX0 (PB25) => PHY ADDR0
+	 *	ERX1 (PB26) => PHY ADDR1 => PHYADDR = 0x0
+	 *
+	 * PHY has internal pull-down
+	 */
+	AT91C_BASE_PIOB->PIO_PPUDR = AT91C_PB22_E_RXDV |
+				     AT91C_PB25_E_RX0 |
+				     AT91C_PB26_E_RX1;
+
+	/* Need to reset PHY -> 500ms reset */
+	AT91C_BASE_RSTC->RSTC_RMR = (AT91C_RSTC_KEY & (0xA5 << 24)) |
+				    (AT91C_RSTC_ERSTL & (0x0D << 8)) |
+				    AT91C_RSTC_URSTEN;
+	AT91C_BASE_RSTC->RSTC_RCR = (AT91C_RSTC_KEY & (0xA5 << 24)) |
+				    AT91C_RSTC_EXTRST;
+
+	/* Wait for end hardware reset */
+	while (!(AT91C_BASE_RSTC->RSTC_RSR & AT91C_RSTC_NRSTL));
+
+	/* Re-enable pull-up */
+	AT91C_BASE_PIOB->PIO_PPUER = AT91C_PB22_E_RXDV |
+				     AT91C_PB25_E_RX0 |
+				     AT91C_PB26_E_RX1;
+
+#ifdef CONFIG_RMII
+	gpio =	AT91C_PB30_E_MDIO |
+		AT91C_PB29_E_MDC  |
+		AT91C_PB21_E_TXCK |
+		AT91C_PB27_E_RXER |
+		AT91C_PB25_E_RX0  |
+		AT91C_PB22_E_RXDV |
+		AT91C_PB26_E_RX1  |
+		AT91C_PB28_E_TXEN |
+		AT91C_PB23_E_TX0  |
+		AT91C_PB24_E_TX1;
+	AT91C_BASE_PIOB->PIO_ASR = gpio;
+	AT91C_BASE_PIOB->PIO_BSR = 0;
+	AT91C_BASE_PIOB->PIO_PDR = gpio;
+#else
+#error AT91CAP9A-DK works only in RMII mode
+#endif
+
+	/* Unlock EMAC, 3 0 2 1 sequence */
+#define MP_MAC_KEY0	0x5969cb2a
+#define MP_MAC_KEY1	0xb4a1872e
+#define MP_MAC_KEY2	0x05683fbc
+#define MP_MAC_KEY3	0x3634fba4
+#define UNLOCK_MAC	0x00000008
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_MAC_KEY3;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_MAC_KEY0;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_MAC_KEY2;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_MAC_KEY1;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_MAC;
+}
+#endif
+
+#ifdef CONFIG_USB_OHCI_NEW
+static void at91cap9_uhp_hw_init(void)
+{
+	/* Unlock USB OHCI, 3 2 0 1 sequence */
+#define MP_OHCI_KEY0	0x896c11ca
+#define MP_OHCI_KEY1	0x68ebca21
+#define MP_OHCI_KEY2	0x4823efbc
+#define MP_OHCI_KEY3	0x8651aae4
+#define UNLOCK_OHCI	0x00000010
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_OHCI_KEY3;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_OHCI_KEY2;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_OHCI_KEY0;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_OHCI_KEY1;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_OHCI;
+}
+#endif
+
+int board_init(void)
+{
+	/* Enable Ctrlc */
+	console_init_f();
+
+	/* arch number of AT91CAP9ADK-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_AT91CAP9ADK;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	at91cap9_serial_hw_init();
+	at91cap9_nor_hw_init();
+#ifdef CONFIG_CMD_NAND
+	at91cap9_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+	at91cap9_spi_hw_init();
+#endif
+#ifdef CONFIG_MACB
+	at91cap9_macb_hw_init();
+#endif
+#ifdef CONFIG_USB_OHCI_NEW
+	at91cap9_uhp_hw_init();
+#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;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+#ifdef CONFIG_MACB
+	/*
+	 * Initialize ethernet HW addr prior to starting Linux,
+	 * needed for nfsroot
+	 */
+	eth_init(gd->bd);
+#endif
+}
+#endif

board/at91cap9adk/config.mk

@@ -0,0 +1 @@
+TEXT_BASE = 0x73000000

board/at91cap9adk/led.c

@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> 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/AT91CAP9.h>
+
+#define	RED_LED		AT91C_PIO_PC29	/* this is the power led */
+#define	GREEN_LED	AT91C_PIO_PA10	/* this is the user1 led */
+#define	YELLOW_LED	AT91C_PIO_PA11	/* this is the user1 led */
+
+void red_LED_on(void)
+{
+	AT91C_BASE_PIOC->PIO_SODR = RED_LED;
+}
+
+void red_LED_off(void)
+{
+	AT91C_BASE_PIOC->PIO_CODR = RED_LED;
+}
+
+void green_LED_on(void)
+{
+	AT91C_BASE_PIOA->PIO_CODR = GREEN_LED;
+}
+
+void green_LED_off(void)
+{
+	AT91C_BASE_PIOA->PIO_SODR = GREEN_LED;
+}
+
+void yellow_LED_on(void)
+{
+	AT91C_BASE_PIOA->PIO_CODR = YELLOW_LED;
+}
+
+void yellow_LED_off(void)
+{
+	AT91C_BASE_PIOA->PIO_SODR = YELLOW_LED;
+}
+
+void coloured_LED_init(void)
+{
+	/* Enable clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD;
+
+	/* Disable peripherals on LEDs */
+	AT91C_BASE_PIOA->PIO_PER = GREEN_LED | YELLOW_LED;
+	/* Enable pins as outputs */
+	AT91C_BASE_PIOA->PIO_OER = GREEN_LED | YELLOW_LED;
+	/* Turn all LEDs OFF */
+	AT91C_BASE_PIOA->PIO_SODR = GREEN_LED | YELLOW_LED;
+
+	/* Disable peripherals on LEDs */
+	AT91C_BASE_PIOC->PIO_PER = RED_LED;
+	/* Enable pins as outputs */
+	AT91C_BASE_PIOC->PIO_OER = RED_LED;
+	/* Turn all LEDs OFF */
+	AT91C_BASE_PIOC->PIO_CODR = RED_LED;
+}

board/at91cap9adk/nand.c

@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
+ *
+ * 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/hardware.h>
+
+#ifdef CONFIG_CMD_NAND
+
+#include <nand.h>
+
+/*
+ *	hardware specific access to control-lines
+ */
+#define	MASK_ALE	(1 << 21)	/* our ALE is AD21 */
+#define	MASK_CLE	(1 << 22)	/* our CLE is AD22 */
+
+static void at91cap9adk_nand_hwcontrol(struct mtd_info *mtd, int cmd)
+{
+	struct nand_chip *this = mtd->priv;
+	ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+
+	IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
+	switch (cmd) {
+	case NAND_CTL_SETCLE:
+		IO_ADDR_W |= MASK_CLE;
+		break;
+	case NAND_CTL_SETALE:
+		IO_ADDR_W |= MASK_ALE;
+		break;
+	case NAND_CTL_CLRNCE:
+		AT91C_BASE_PIOD->PIO_SODR = AT91C_PIO_PD15;
+		break;
+	case NAND_CTL_SETNCE:
+		AT91C_BASE_PIOD->PIO_CODR = AT91C_PIO_PD15;
+		break;
+	}
+	this->IO_ADDR_W = (void *) IO_ADDR_W;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	nand->eccmode = NAND_ECC_SOFT;
+	nand->hwcontrol = at91cap9adk_nand_hwcontrol;
+	nand->chip_delay = 20;
+
+	return 0;
+}
+#endif

board/at91cap9adk/u-boot.lds

@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj <at> 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text :
+	{
+	  cpu/arm926ejs/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 = .;
+}

include/configs/at91cap9adk.h

@@ -0,0 +1,212 @@
+/*
+ * (C) Copyright 2007
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91CAP9ADK 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 AT91C_MAIN_CLOCK	200000000	/* from 12 MHz crystal */
+#define AT91C_MASTER_CLOCK	100000000	/* 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_AT91CAP9		1	/* It's an Atmel AT91CAP9 SoC	*/
+#define CONFIG_AT91CAP9ADK	1	/* on an AT91CAP9ADK 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
+
+#define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN		ROUND(CFG_ENV_SIZE + 128*1024, 0x1000)
+#define CFG_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
+
+#define CONFIG_BAUDRATE		115200
+
+/*
+ * 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/mtdblock1 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
+
+#define CONFIG_CMD_PING		1
+#define CONFIG_CMD_DHCP		1
+#define CONFIG_CMD_NAND		1
+#define CONFIG_CMD_USB		1
+
+/* SDRAM: Careful: this supposes an AT91CAP-MEM33 expansion card */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			0x70000000
+#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		1
+#define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define CONFIG_NEW_PARTITION		1
+
+/* NOR flash */
+#define CFG_FLASH_CFI			1
+#define CFG_FLASH_CFI_DRIVER		1
+#define PHYS_FLASH_1			0x10000000
+#define CFG_FLASH_BASE			PHYS_FLASH_1
+#define CFG_MAX_FLASH_SECT		256
+#define CFG_MAX_FLASH_BANKS		1
+
+#define AT91C_FLASH_NWE_SETUP		(4 << 0)
+#define AT91C_FLASH_NCS_WR_SETUP	(2 << 8)
+#define AT91C_FLASH_NRD_SETUP		(4 << 16)
+#define AT91C_FLASH_NCS_RD_SETUP	(2 << 24)
+
+#define AT91C_FLASH_NWE_PULSE		(8 << 0)
+#define AT91C_FLASH_NCS_WR_PULSE	(10 << 8)
+#define AT91C_FLASH_NRD_PULSE		(8 << 16)
+#define AT91C_FLASH_NCS_RD_PULSE	(10 << 24)
+
+#define AT91C_FLASH_NWE_CYCLE		(16 << 0)
+#define AT91C_FLASH_NRD_CYCLE		(16 << 16)
+
+/* NAND flash */
+#define NAND_MAX_CHIPS			1
+#define CFG_MAX_NAND_DEVICE		1
+#define CFG_NAND_BASE			0x40000000
+
+#define AT91C_SM_NWE_SETUP		(2 << 0)
+#define AT91C_SM_NCS_WR_SETUP		(1 << 8)
+#define AT91C_SM_NRD_SETUP		(2 << 16)
+#define AT91C_SM_NCS_RD_SETUP		(1 << 24)
+
+#define AT91C_SM_NWE_PULSE		(4 << 0)
+#define AT91C_SM_NCS_WR_PULSE		(6 << 8)
+#define AT91C_SM_NRD_PULSE		(4 << 16)
+#define AT91C_SM_NCS_RD_PULSE		(6 << 24)
+
+#define AT91C_SM_NWE_CYCLE		(8 << 0)
+#define AT91C_SM_NRD_CYCLE		(8 << 16)
+
+#define AT91C_SM_TDF			(1 << 16)
+
+/* 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		0x00700000	/* AT91C_BASE_UHP */
+#define CFG_USB_OHCI_SLOT_NAME		"at91cap9"
+#define CFG_USB_OHCI_MAX_ROOT_PORTS	2
+
+
+#define CFG_LOAD_ADDR			0x72000000	/* load address */
+
+#define CFG_MEMTEST_START		PHYS_SDRAM
+#define CFG_MEMTEST_END			0x73000000
+
+#define CFG_USE_DATAFLASH		1
+#undef CFG_USE_NORFLASH
+
+#ifdef CFG_USE_DATAFLASH
+
+/* bootstrap + u-boot + env + linux in dataflash */
+#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 0x72000000 0x200040; bootm"
+
+#else
+
+/* bootstrap + u-boot + env + linux in norflash */
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_MONITOR_BASE	(PHYS_FLASH_1 + 0x8000)
+#define CFG_ENV_OFFSET		0x4000
+#define CFG_ENV_ADDR		(PHYS_FLASH_1 + CFG_ENV_OFFSET)
+#define CFG_ENV_SIZE		0x4000
+#define CONFIG_BOOTCOMMAND	"cp.b 0x10040000 0x72000000 0x200000; bootm"
+
+#endif
+
+#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 CONFIG_STACKSIZE	(32*1024)	/* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif