u-boot/include/configs/corvus.h

/*
 * Common board functions for siemens AT91SAM9G45 based boards
 * (C) Copyright 2013 Siemens AG
 *
 * Based on:
 * U-Boot file: include/configs/at91sam9m10g45ek.h
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#include <asm/hardware.h>

#define MACH_TYPE_CORVUS               2066

/*
 * Warning: changing CONFIG_SYS_TEXT_BASE requires
 * adapting the initial boot program.
 * Since the linker has to swallow that define, we must use a pure
 * hex number here!
 */

#define CONFIG_SYS_TEXT_BASE  0x73f00000

#define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK      32768
#define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */

#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_DISPLAY_CPUINFO

#define CONFIG_CMD_BOOTZ
#define CONFIG_OF_LIBFDT

/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
#define CONFIG_AT91_GPIO
#define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */

/* serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
#define CONFIG_USART_ID			ATMEL_ID_SYS

/* LED */
#define CONFIG_AT91_LED
#define CONFIG_RED_LED		AT91_PIN_PD31	/* this is the user1 led */
#define CONFIG_GREEN_LED	AT91_PIN_PD0	/* this is the user2 led */

#define CONFIG_BOOTDELAY	3

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME

/*
 * 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

#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_NAND
#define CONFIG_CMD_USB

/* SDRAM */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS6
#define CONFIG_SYS_SDRAM_SIZE		0x08000000

#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)

/* No NOR flash */
#define CONFIG_SYS_NO_FLASH

/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE		1
#define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
/* 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_PC8

#endif

/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_NET_RETRY_COUNT		20
#define CONFIG_AT91_WANTS_COMMON_PHY

/* USB */
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_ATMEL
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
#define CONFIG_DOS_PARTITION
#define CONFIG_USB_STORAGE

#define CONFIG_SYS_LOAD_ADDR		0x72000000	/* load address */

/* bootstrap + u-boot + env in nandflash */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET		0x100000
#define CONFIG_ENV_OFFSET_REDUND	0x180000
#define CONFIG_ENV_SIZE			0x20000

#define CONFIG_BOOTCOMMAND						\
	"nand read 0x70000000 0x200000 0x300000;"			\
	"bootm 0x70000000"
#define CONFIG_BOOTARGS							\
	"console=ttyS0,115200 earlyprintk "				\
	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
	"256k(env),256k(env_redundant),256k(spare),"			\
	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
	"root=/dev/mtdblock7 rw rootfstype=jffs2"

#define CONFIG_BAUDRATE			115200

#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
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_HUSH_PARSER

/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + \
				128*1024, 0x1000)

#endif