uboot-vybrid_public/include/configs/omap3_evm_common.h

/*
 * Common configuration settings for the TI OMAP3 EVM board.
 *
 * Copyright (C) 2006-2011 Texas Instruments Incorporated - http://www.ti.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 "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __OMAP3_EVM_COMMON_H
#define __OMAP3_EVM_COMMON_H

/*
 * High level configuration options
 */
#define CONFIG_OMAP			/* This is TI OMAP core */
#define CONFIG_OMAP34XX			/* belonging to 34XX family */

#define CONFIG_SDRC			/* The chip has SDRC controller */

#define CONFIG_OMAP3_EVM		/* This is a OMAP3 EVM */
#define CONFIG_TWL4030_POWER		/* with TWL4030 PMIC */

#undef CONFIG_USE_IRQ			/* no support for IRQs */

/*
 * Clock related definitions
 */
#define V_OSCK			26000000	/* Clock output from T2 */
#define V_SCLK			(V_OSCK >> 1)

/*
 * OMAP3 has 12 GP timers, they can be driven by the system clock
 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
 * This rate is divided by a local divisor.
 */
#define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
#define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
#define CONFIG_SYS_HZ			1000

/* Size of environment - 128KB */
#define CONFIG_ENV_SIZE			(128 << 10)

/* Size of malloc pool */
#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))

/*
 * Stack sizes
 * These values are used in start.S
 */
#define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */

/*
 * Physical Memory Map
 * Note 1: CS1 may or may not be populated
 * Note 2: SDRAM size is expected to be at least 32MB
 */
#define CONFIG_NR_DRAM_BANKS		2
#define PHYS_SDRAM_1			OMAP34XX_SDRC_CS0
#define PHYS_SDRAM_2			OMAP34XX_SDRC_CS1

/* Limits for memtest */
#define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
#define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
						0x01F00000) /* 31MB */

/* Default load address */
#define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)

/* -----------------------------------------------------------------------------
 * Hardware drivers
 * -----------------------------------------------------------------------------
 */

/*
 * NS16550 Configuration
 */
#define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */

#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
#define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK

/*
 * select serial console configuration
 */
#define CONFIG_CONS_INDEX		1
#define CONFIG_SERIAL1			1	/* UART1 on OMAP3 EVM */
#define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
#define CONFIG_BAUDRATE			115200
#define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
					115200}

/*
 * I2C
 */
#define CONFIG_HARD_I2C
#define CONFIG_DRIVER_OMAP34XX_I2C

#define CONFIG_SYS_I2C_SPEED		100000
#define CONFIG_SYS_I2C_SLAVE		1
#define CONFIG_SYS_I2C_BUS		0
#define CONFIG_SYS_I2C_BUS_SELECT	1

/*
 * PISMO support
 */
#define PISMO1_NAND_SIZE		GPMC_SIZE_128M
#define PISMO1_ONEN_SIZE		GPMC_SIZE_128M

/* Monitor at start of flash - Reserve 2 sectors */
#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE

#define CONFIG_SYS_MONITOR_LEN		(256 << 10)

/* Start location & size of environment */
#define ONENAND_ENV_OFFSET		0x260000
#define SMNAND_ENV_OFFSET		0x260000

#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */

/*
 * NAND
 */
/* Physical address to access NAND */
#define CONFIG_SYS_NAND_ADDR		NAND_BASE

/* Physical address to access NAND at CS0 */
#define CONFIG_SYS_NAND_BASE		NAND_BASE

/* Max number of NAND devices */
#define CONFIG_SYS_MAX_NAND_DEVICE	1

/* Timeout values (in ticks) */
#define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
#define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)

/* Flash banks JFFS2 should use */
#define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
						CONFIG_SYS_MAX_NAND_DEVICE)

#define CONFIG_SYS_JFFS2_MEM_NAND
#define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
#define CONFIG_SYS_JFFS2_NUM_BANKS	1

#define CONFIG_JFFS2_NAND
/* nand device jffs2 lives on */
#define CONFIG_JFFS2_DEV		"nand0"
/* Start of jffs2 partition */
#define CONFIG_JFFS2_PART_OFFSET	0x680000
/* Size of jffs2 partition */
#define CONFIG_JFFS2_PART_SIZE		0xf980000

/*
 * USB
 */
#ifdef CONFIG_USB_OMAP3

#ifdef CONFIG_MUSB_HCD
#define CONFIG_CMD_USB

#define CONFIG_USB_STORAGE
#define CONGIG_CMD_STORAGE
#define CONFIG_CMD_FAT

#ifdef CONFIG_USB_KEYBOARD
#define CONFIG_SYS_USB_EVENT_POLL
#define CONFIG_PREBOOT			"usb start"
#endif /* CONFIG_USB_KEYBOARD */

#endif /* CONFIG_MUSB_HCD */

#ifdef CONFIG_MUSB_UDC
/* USB device configuration */
#define CONFIG_USB_DEVICE
#define CONFIG_USB_TTY
#define CONFIG_SYS_CONSOLE_IS_IN_ENV

/* Change these to suit your needs */
#define CONFIG_USBD_VENDORID		0x0451
#define CONFIG_USBD_PRODUCTID		0x5678
#define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
#define CONFIG_USBD_PRODUCT_NAME	"EVM"
#endif /* CONFIG_MUSB_UDC */

#endif /* CONFIG_USB_OMAP3 */

/* ----------------------------------------------------------------------------
 * U-boot features
 * ----------------------------------------------------------------------------
 */
#define CONFIG_SYS_PROMPT		"OMAP3_EVM # "
#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
#define CONFIG_SYS_MAXARGS		16	/* max args for a command */

#define CONFIG_MISC_INIT_R

#define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_REVISION_TAG

/* Size of Console IO buffer */
#define CONFIG_SYS_CBSIZE		512

/* Size of print buffer */
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
						sizeof(CONFIG_SYS_PROMPT) + 16)

/* Size of bootarg buffer */
#define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)

#define CONFIG_BOOTFILE			"uImage"

/*
 * NAND / OneNAND
 */
#if defined(CONFIG_CMD_NAND)
#define CONFIG_SYS_FLASH_BASE		PISMO1_NAND_BASE

#define CONFIG_NAND_OMAP_GPMC
#define GPMC_NAND_ECC_LP_x16_LAYOUT
#define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
#elif defined(CONFIG_CMD_ONENAND)
#define CONFIG_SYS_FLASH_BASE		PISMO1_ONEN_BASE
#define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
#endif

#if !defined(CONFIG_ENV_IS_NOWHERE)
#if defined(CONFIG_CMD_NAND)
#define CONFIG_ENV_IS_IN_NAND
#elif defined(CONFIG_CMD_ONENAND)
#define CONFIG_ENV_IS_IN_ONENAND
#define CONFIG_ENV_OFFSET		ONENAND_ENV_OFFSET
#endif
#endif /* CONFIG_ENV_IS_NOWHERE */

#define CONFIG_ENV_ADDR			CONFIG_ENV_OFFSET

#if defined(CONFIG_CMD_NET)

/* Ethernet (SMSC9115 from SMSC9118 family) */
#define CONFIG_SMC911X
#define CONFIG_SMC911X_32_BIT
#define CONFIG_SMC911X_BASE		0x2C000000

/* BOOTP fields */
#define CONFIG_BOOTP_SUBNETMASK		0x00000001
#define CONFIG_BOOTP_GATEWAY		0x00000002
#define CONFIG_BOOTP_HOSTNAME		0x00000004
#define CONFIG_BOOTP_BOOTPATH		0x00000010

#endif /* CONFIG_CMD_NET */

/* Support for relocation */
#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
#define CONFIG_SYS_INIT_RAM_SIZE	0x800
#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
					 CONFIG_SYS_INIT_RAM_SIZE - \
					 GENERATED_GBL_DATA_SIZE)

/* -----------------------------------------------------------------------------
 * Board specific
 * -----------------------------------------------------------------------------
 */
#define CONFIG_SYS_NO_FLASH

/* Uncomment to define the board revision statically */
/* #define CONFIG_STATIC_BOARD_REV	OMAP3EVM_BOARD_GEN_2 */

#define CONFIG_SYS_CACHELINE_SIZE	64

/* Defines for SPL */
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE		0x40200800
#define CONFIG_SPL_MAX_SIZE		(54 * 1024)	/* 8 KB for stack */
#define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK

#define CONFIG_SPL_BSS_START_ADDR	0x80000000
#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */

#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_POWER_SUPPORT
#define CONFIG_SPL_OMAP3_ID_NAND
#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"

/*
 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
 * 64 bytes before this address should be set aside for u-boot.img's
 * header. That is 0x800FFFC0--0x80100000 should not be used for any
 * other needs.
 */
#define CONFIG_SYS_TEXT_BASE		0x80100000
#define CONFIG_SYS_SPL_MALLOC_START	0x80208000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000

#endif /* __OMAP3_EVM_COMMON_H */