/*
   * am3517_evm.h - Default configuration for AM3517 EVM board.
   *
   * Author: Vaibhav Hiremath <hvaibhav@ti.com>
   *
   * Based on omap3_evm_config.h
   *
   * Copyright (C) 2010 Texas Instruments Incorporated
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef __CONFIG_H
  #define __CONFIG_H

  #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */

  /*
   * 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_SPL_MALLOC_START	0x80208000
  #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000

  #include <configs/ti_omap3_common.h>
  #undef CONFIG_SDRC	/* Disable SDRC since we have EMIF4 */

  #define CONFIG_MISC_INIT_R

  #define CONFIG_REVISION_TAG

  /* Hardware drivers */

  /* allow to overwrite serial and ethaddr */
  #define CONFIG_ENV_OVERWRITE

  /*
   * USB configuration

   * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard
   * Enable CONFIG_USB_MUSB_GADGET for Device functionalities.

   */

  #ifdef CONFIG_USB_MUSB_AM35X

  #ifdef CONFIG_USB_MUSB_HOST

  #ifdef CONFIG_USB_KEYBOARD

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

  #endif /* CONFIG_USB_MUSB_HOST */

  #endif /* CONFIG_USB_MUSB_AM35X */

  /* I2C */

  /* Ethernet */

  #define CONFIG_DRIVER_TI_EMAC
  #define CONFIG_DRIVER_TI_EMAC_USE_RMII
  #define CONFIG_MII
  #define CONFIG_BOOTP_DEFAULT

  #define CONFIG_BOOTP_DNS2
  #define CONFIG_BOOTP_SEND_HOSTNAME
  #define CONFIG_NET_RETRY_COUNT		10

  /* Board NAND Info. */
  #ifdef CONFIG_NAND

  #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
  							/* to access nand */

  #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  #define CONFIG_SYS_NAND_PAGE_COUNT	64
  #define CONFIG_SYS_NAND_PAGE_SIZE	2048
  #define CONFIG_SYS_NAND_OOBSIZE		64
  #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
  #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
  #define CONFIG_SYS_NAND_ECCPOS		{ 2,  3,  4,  5,  6,  7,  8,  9, 10, \
  					 11, 12, 13, 14, 16, 17, 18, 19, 20, \
  					 21, 22, 23, 24, 25, 26, 27, 28, 30, \
  					 31, 32, 33, 34, 35, 36, 37, 38, 39, \
  					 40, 41, 42, 44, 45, 46, 47, 48, 49, \
  					 50, 51, 52, 53, 54, 55, 56 }
  
  #define CONFIG_SYS_NAND_ECCSIZE		512
  #define CONFIG_SYS_NAND_ECCBYTES	13
  #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
  #define CONFIG_SYS_NAND_MAX_OOBFREE	2
  #define CONFIG_SYS_NAND_MAX_ECCPOS	56
  #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
  #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
  #define CONFIG_MTD_PARTITIONS		/* required for UBI partition support */
  #define CONFIG_MTD_DEVICE		/* needed for mtdparts commands */
  /* NAND block size is 128 KiB.  Synchronize these values with
   * corresponding Device Tree entries in Linux:
   *  MLO(SPL)             4 * NAND_BLOCK_SIZE = 512 KiB  @ 0x000000
   *  U-Boot              15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000
   *  U-Boot environment   2 * NAND_BLOCK_SIZE = 256 KiB  @ 0x260000
   *  Kernel              64 * NAND_BLOCK_SIZE = 8 MiB    @ 0x2A0000
   *  DTB                  4 * NAND_BLOCK_SIZE = 512 KiB  @ 0xAA0000
   *  RootFS              Remaining Flash Space           @ 0xB20000
   */

  #endif /* CONFIG_NAND */

  
  /* Environment information */

  #define CONFIG_BOOTFILE		"uImage"

  
  #define CONFIG_EXTRA_ENV_SETTINGS \
  	"loadaddr=0x82000000\0" \

  	"console=ttyO2,115200n8\0" \

  	"fdtfile=am3517-evm.dtb\0" \
  	"fdtaddr=0x82C00000\0" \
  	"vram=16M\0" \
  	"bootenv=uEnv.txt\0" \
  	"cmdline=\0" \
  	"optargs=\0" \

  	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
  	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \

  	"mmcdev=0\0" \

  	"mmcpart=1\0" \
  	"mmcroot=/dev/mmcblk0p2 rw\0" \
  	"mmcrootfstype=ext4 rootwait fixrtc\0" \

  	"mmcargs=setenv bootargs console=${console} " \

  		"${mtdparts} " \

  		"${optargs} " \
  		"root=${mmcroot} " \
  		"rootfstype=${mmcrootfstype} " \
  		"${cmdline}\0" \

  	"nandargs=setenv bootargs console=${console} " \

  		"${mtdparts} " \
  		"${optargs} " \
  		"root=ubi0:rootfs rw ubi.mtd=rootfs " \
  		"rootfstype=ubifs rootwait " \
  		"${cmdline}\0" \

  	"loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\
  	"importbootenv=echo Importing environment from mmc ...; " \
  		"env import -t ${loadaddr} ${filesize}\0" \

  	"bootscript=echo Running bootscript from mmc ...; " \
  		"source ${loadaddr}\0" \

  	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \
  	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \

  	"mmcboot=echo Booting from mmc ...; " \
  		"run mmcargs; " \

  		"bootz ${loadaddr} - ${fdtaddr}\0" \

  	"nandboot=echo Booting from nand ...; " \
  		"run nandargs; " \

  		"nand read ${loadaddr} 2a0000 800000; " \
  		"nand read ${fdtaddr} aa0000 80000; " \
  		"bootm ${loadaddr} - ${fdtaddr}\0" \

  
  #define CONFIG_BOOTCOMMAND \

  	"mmc dev ${mmcdev}; if mmc rescan; then " \

  		"echo SD/MMC found on device $mmcdev; " \
  		"if run loadbootenv; then " \
  			"run importbootenv; " \
  		"fi; " \
  		"echo Checking if uenvcmd is set ...; " \
  		"if test -n $uenvcmd; then " \
  			"echo Running uenvcmd ...; " \
  			"run uenvcmd; " \
  		"fi; " \
  		"echo Running default loadimage ...; " \
  		"setenv bootfile zImage; " \
  		"if run loadimage; then " \
  			"run loadfdt; " \
  			"run mmcboot; " \

  		"fi; " \
  	"else run nandboot; fi"

  /* Miscellaneous configurable options */

  
  /* We set the max number of command args high to avoid HUSH bugs. */
  #define CONFIG_SYS_MAXARGS		64

  /* Print Buffer Size */
  #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
  					+ sizeof(CONFIG_SYS_PROMPT) + 16)
  /* Boot Argument Buffer Size */
  #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE

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

  /* Physical Memory Map */

  #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)

  #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
  #define CONFIG_SYS_INIT_RAM_SIZE	0x800

  /* FLASH and environment organization */

  
  /* **** PISMO SUPPORT *** */

  #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
  						/* on one chip */
  #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
  #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */

  #if defined(CONFIG_NAND)

  #define CONFIG_SYS_FLASH_BASE		NAND_BASE

  #endif

  
  /* Monitor at start of flash */
  #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE

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

  #define CONFIG_ENV_SIZE			CONFIG_SYS_ENV_SECT_SIZE

  #define CONFIG_ENV_OFFSET		0x260000
  #define CONFIG_ENV_ADDR			0x260000

  
  /* Defines for SPL */

  #undef CONFIG_SPL_TEXT_BASE

  #define CONFIG_SPL_TEXT_BASE		0x40200000

  #undef CONFIG_SPL_BSS_START_ADDR

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

  #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1

  #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"

  #define CONFIG_SPL_NAND_BASE
  #define CONFIG_SPL_NAND_DRIVERS
  #define CONFIG_SPL_NAND_ECC

  #endif /* __CONFIG_H */