/*
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * (C) Copyright 2010
 * Achim Ehrlich <aehrlich@taskit.de>
 * taskit GmbH <www.taskit.de>
 *
 * (C) Copyright 2012
 * Markus Hubig <mhubig@imko.de>
 * IMKO GmbH <www.imko.de>
 *
 * (C) Copyright 2014
 * Heiko Schocher <hs@denx.de>
 * DENX Software Engineering GmbH
 *
 * Configuation settings for the smartweb.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * SoC must be defined first, before hardware.h is included.
 * In this case SoC is defined in boards.cfg.
 */
#include <asm/hardware.h>

/*
 * 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		0x23000000

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432MHz crystal */

/* misc settings */
#define CONFIG_CMDLINE_TAG		/* pass commandline to Kernel */
#define CONFIG_SETUP_MEMORY_TAGS	/* pass memory defs to kernel */
#define CONFIG_INITRD_TAG		/* pass initrd param to kernel */
#define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is loaded by a bootloader */
#define CONFIG_BOARD_EARLY_INIT_F	/* call board_early_init_f() */
#define CONFIG_DISPLAY_CPUINFO		/* display CPU Info at startup */

/* setting board specific options */
# define CONFIG_MACH_TYPE		MACH_TYPE_SMARTWEB
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE

/* The LED PINs */
#define CONFIG_RED_LED			AT91_PIN_PA9
#define CONFIG_GREEN_LED		AT91_PIN_PA6

/*
 * SDRAM: 1 bank, 64 MB, base address 0x20000000
 * Already initialized before u-boot gets started.
 */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE		(64 << 20)

/*
 * Perform a SDRAM Memtest from the start of SDRAM
 * till the beginning of the U-Boot position in RAM.
 */
#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_TEXT_BASE - 0x100000)

/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN \
	ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)

/* NAND flash settings */
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
#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

#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_DEVICE
#define MTDIDS_NAME_STR		"atmel_nand"
#define MTDIDS_DEFAULT		"nand0=" MTDIDS_NAME_STR
#define MTDPARTS_DEFAULT	"mtdparts=" MTDIDS_NAME_STR ":" \
					"128k(Bootstrap),"		\
					"896k(U-Boot),"	\
					"512k(ENV0),"	\
					"512k(ENV1),"	\
					"4M(Linux),"	\
					"-(Root-FS)"

/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
#define CONFIG_AT91_GPIO		/* enable the GPIO features */
#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
#define CONFIG_BAUDRATE			115200

/*
 * Ethernet configuration
 *
 */
#define CONFIG_MACB
#define CONFIG_RMII			/* use reduced MII inteface */
#define CONFIG_NET_RETRY_COUNT	20      /* # of DHCP/BOOTP retries */
#define CONFIG_AT91_WANTS_COMMON_PHY

/* BOOTP and DHCP options */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_NFSBOOTCOMMAND						\
	"setenv autoload yes; setenv autoboot yes; "			\
	"setenv bootargs ${basicargs} ${mtdparts} "			\
	"root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; "	\
	"dhcp"

/* Enable the watchdog */
#define CONFIG_AT91SAM9_WATCHDOG
#if !defined(CONFIG_SPL_BUILD)
#define CONFIG_HW_WATCHDOG
#endif
#define CONFIG_AT91_HW_WDT_TIMEOUT	15

#if !defined(CONFIG_SPL_BUILD)
/* USB configuration */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
#define CONFIG_USB_OHCI_NEW
#define CONFIG_USB_STORAGE
#define CONFIG_DOS_PARTITION
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_UHP_BASE
#define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
#endif

/* General Boot Parameter */
#define CONFIG_BOOTDELAY		3
#define CONFIG_BOOTCOMMAND		"run flashboot"
#define CONFIG_SYS_CBSIZE		512
#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

/*
 * RAM Memory address where to put the
 * Linux Kernel befor starting.
 */
#define CONFIG_SYS_LOAD_ADDR		0x22000000

/*
 * The NAND Flash partitions:
 */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET		(0x100000)
#define CONFIG_ENV_OFFSET_REDUND	(0x180000)
#define CONFIG_ENV_RANGE		(0x80000)
#define CONFIG_ENV_SIZE			(0x20000)

/*
 * Predefined environment variables.
 * Usefull to define some easy to use boot commands.
 */
#define	CONFIG_EXTRA_ENV_SETTINGS					\
									\
	"basicargs=console=ttyS0,115200\0"				\
									\
	"mtdparts="MTDPARTS_DEFAULT"\0"

/* Command line & features configuration */
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_LOADS

#define CONFIG_CMD_NAND
#define CONFIG_CMD_USB
#define CONFIG_CMD_FAT

#ifdef CONFIG_MACB
# define CONFIG_CMD_PING
# define CONFIG_CMD_DHCP
#else
# undef CONFIG_CMD_BOOTD
# undef CONFIG_CMD_NET
# undef CONFIG_CMD_NFS
#endif /* CONFIG_MACB */

#if !defined(CONFIG_SPL_BUILD)
/* Enable Device-Tree (FDT) support */
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_FDT
#define CONFIG_FIT
#endif

#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_INIT_SP_ADDR		0x301000
#define CONFIG_SPL_STACK_R
#define CONFIG_SPL_STACK_R_ADDR		CONFIG_SYS_TEXT_BASE
#else
/*
 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
 * leaving the correct space for initial global data structure above that
 * address while providing maximum stack area below.
 */
#define CONFIG_SYS_INIT_SP_ADDR \
	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
#endif


/* Defines for SPL */
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_TEXT_BASE		0x0
#define CONFIG_SPL_MAX_SIZE		(4 * 1024)

#define CONFIG_SPL_BSS_START_ADDR	CONFIG_SYS_SDRAM_BASE
#define CONFIG_SPL_BSS_MAX_SIZE		(16 * 1024)
#define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
					CONFIG_SPL_BSS_MAX_SIZE)
#define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
#define CONFIG_SPL_LDSCRIPT	arch/arm/mach-at91/arm926ejs/u-boot-spl.lds

#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT

#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_GPIO_SUPPORT
#define CONFIG_SYS_NAND_ENABLE_PIN_SPL	(2*32 + 14)
#define CONFIG_SPL_NAND_SUPPORT
#define CONFIG_SYS_USE_NANDFLASH	1
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_BASE
#define CONFIG_SPL_NAND_ECC
#define CONFIG_SPL_NAND_RAW_ONLY
#define CONFIG_SPL_NAND_SOFTECC
#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
#define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
#define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_5_ADDR_CYCLE

#define CONFIG_SYS_NAND_SIZE		(256*1024*1024)
#define CONFIG_SYS_NAND_PAGE_SIZE	2048
#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
#define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
					 CONFIG_SYS_NAND_PAGE_SIZE)
#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
#define CONFIG_SYS_NAND_ECCSIZE		256
#define CONFIG_SYS_NAND_ECCBYTES	3
#define CONFIG_SYS_NAND_OOBSIZE		64
#define CONFIG_SYS_NAND_ECCPOS		{ 40, 41, 42, 43, 44, 45, 46, 47, \
					  48, 49, 50, 51, 52, 53, 54, 55, \
					  56, 57, 58, 59, 60, 61, 62, 63, }

#define CONFIG_SPL_ATMEL_SIZE
#define CONFIG_SYS_MASTER_CLOCK		(198656000/2)
#define AT91_PLL_LOCK_TIMEOUT		1000000
#define CONFIG_SYS_AT91_PLLA		0x2060bf09
#define CONFIG_SYS_MCKR			0x100
#define CONFIG_SYS_MCKR_CSS		(0x02 | CONFIG_SYS_MCKR)
#define CONFIG_SYS_AT91_PLLB		0x10483f0e

#if defined(CONFIG_SPL_BUILD)
#define CONFIG_SYS_THUMB_BUILD
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#undef CONFIG_SPL_OS_BOOT		/* Not supported by existing map */
#endif
#endif /* __CONFIG_H */