/*
   * pengwyn.h
   *
   * Copyright (C) 2013 Lothar Felten <lothar.felten@gmail.com>
   *
   * based on am335x_evm.h, Copyright (C) 2011 Texas Instruments Inc.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef __CONFIG_PENGWYN_H
  #define __CONFIG_PENGWYN_H
  
  #define CONFIG_NAND
  #define CONFIG_SERIAL1
  #define CONFIG_CONS_INDEX		1
  
  #include <configs/ti_am335x_common.h>
  
  /* Clock Defines */
  #define V_OSCK				24000000
  #define V_SCLK				V_OSCK
  
  /* set env size */
  #define CONFIG_ENV_SIZE			0x4000
  
  #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  
  #ifndef CONFIG_SPL_BUILD
  #define CONFIG_EXTRA_ENV_SETTINGS \
  	"loadaddr=0x80200000\0" \
  	"fdtaddr=0x80F80000\0" \
  	"bootpart=0:2\0" \
  	"bootdir=/boot\0" \
  	"bootfile=zImage\0" \
  	"fdtfile=am335x-pengwyn.dtb\0" \
  	"console=ttyO0,115200n8\0" \
  	"optargs=\0" \
  	"mmcdev=0\0" \
  	"mmcroot=/dev/mmcblk0p2 ro\0" \
  	"mmcrootfstype=ext4 rootwait\0" \
  	"rootpath=/export/rootfs\0" \
  	"nfsopts=nolock\0" \
  	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
  		"::off\0" \
  	"mmcargs=setenv bootargs console=${console} " \
  		"${optargs} " \
  		"root=${mmcroot} " \
  		"rootfstype=${mmcrootfstype}\0" \
  	"netargs=setenv bootargs console=${console} " \
  		"${optargs} " \
  		"root=/dev/nfs " \
  		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
  		"ip=dhcp\0" \
  	"bootenv=uEnv.txt\0" \
  	"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
  	"importbootenv=echo Importing environment from mmc ...; " \
  		"env import -t $loadaddr $filesize\0" \
  	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
  	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  	"mmcloados=run mmcargs; " \
  		"bootz ${loadaddr} - ${fdtaddr};\0" \
  	"mmcboot=mmc dev ${mmcdev}; " \
  		"if mmc rescan; then " \
  			"echo SD/MMC found on device ${mmcdev};" \
  			"if run loadbootenv; then " \
  				"echo Loaded environment from ${bootenv};" \
  				"run importbootenv;" \
  			"fi;" \
  			"if test -n $uenvcmd; then " \
  				"echo Running uenvcmd ...;" \
  				"run uenvcmd;" \
  			"fi;" \
  			"if run loadimage; then " \
  				"run loadfdt;" \
  				"run mmcloados;" \
  			"fi;" \
  		"fi;\0" \
  	"netboot=echo Booting from network ...; " \
  		"setenv autoload no; " \
  		"dhcp; " \
  		"tftp ${loadaddr} ${bootfile}; " \
  		"tftp ${fdtaddr} ${fdtfile}; " \
  		"run netargs; " \
  		"bootz ${loadaddr} - ${fdtaddr}\0" \
  	"mtdids=" MTDIDS_DEFAULT "\0" \
  	"mtdparts=" MTDPARTS_DEFAULT "\0" \
  	"nandargs=setenv bootargs console=${console} " \
  		"${optargs} " \
  		"root=${nandroot} " \
  		"rootfstype=${nandrootfstype}\0" \
  	"nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
  	"nandrootfstype=ubifs rootwait=1\0" \
  	"nandboot=echo Booting from nand ...; " \
  		"run nandargs; " \
  		"nand read ${fdtaddr} u-boot-spl-os; " \
  		"nand read ${loadaddr} kernel; " \
  		"bootz ${loadaddr} - ${fdtaddr}\0"
  #endif
  
  #define CONFIG_BOOTCOMMAND \
  	"run mmcboot;" \
  	"run nandboot;"
  
  /* NS16550 Configuration: primary UART via FDTI */
  #define CONFIG_SYS_NS16550_COM1		0x44e09000
  #define CONFIG_BAUDRATE			115200
  
  /* I2C Configuration */
  #define	CONFIG_SYS_I2C_SPEED		100000
  #define CONFIG_CMD_EEPROM
  #define CONFIG_ENV_EEPROM_IS_ON_I2C
  #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
  #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
  #define CONFIG_SYS_I2C_MULTI_EEPROMS
  
  /* SPL */
  #define CONFIG_SPL_POWER_SUPPORT
  #define CONFIG_SPL_YMODEM_SUPPORT
  
  /* General network SPL */
  #define CONFIG_SPL_NET_SUPPORT
  #define CONFIG_SPL_ENV_SUPPORT
  #define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
  
  /* NAND support */
  #define CONFIG_CMD_NAND
  #define CONFIG_NAND_OMAP_GPMC
  #define CONFIG_NAND_OMAP_ELM
  #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
  					 CONFIG_SYS_NAND_PAGE_SIZE)
  #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, 15, 16, 17, \
  					 18, 19, 20, 21, 22, 23, 24, 25, \
  					 26, 27, 28, 29, 30, 31, 32, 33, \
  					 34, 35, 36, 37, 38, 39, 40, 41, \
  					 42, 43, 44, 45, 46, 47, 48, 49, \
  					 50, 51, 52, 53, 54, 55, 56, 57, }
  
  #define CONFIG_SYS_NAND_ECCSIZE		512
  #define CONFIG_SYS_NAND_ECCBYTES	14
  #define CONFIG_SYS_NAND_ONFI_DETECTION
  #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
  #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
  #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
  
  #define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
  #define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:128k(SPL)," \
  					"128k(SPL.backup1)," \
  					"128k(SPL.backup2)," \
  					"128k(SPL.backup3),1792k(u-boot)," \
  					"128k(u-boot-spl-os)," \
  					"128k(u-boot-env),5m(kernel),-(rootfs)"
  #define CONFIG_ENV_IS_IN_NAND
  #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
  #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
  /* NAND: SPL falcon mode configs */
  #ifdef CONFIG_SPL_OS_BOOT
  #define CONFIG_CMD_SPL_NAND_OFS		0x240000 /* un-assigned */
  #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
  #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
  #endif
  
  /*
   * USB configuration.  We enable MUSB support, both for host and for
   * gadget.  We set USB0 as peripheral and USB1 as host, based on the
   * board schematic and physical port wired to each.  Then for host we
   * add mass storage support.
   */
  #define CONFIG_USB_MUSB_DSPS
  #define CONFIG_ARCH_MISC_INIT
  #define CONFIG_MUSB_GADGET
  #define CONFIG_MUSB_PIO_ONLY
  #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
  #define CONFIG_USB_GADGET
  #define CONFIG_USB_GADGET_DUALSPEED
  #define CONFIG_USB_GADGET_VBUS_DRAW	2
  #define CONFIG_MUSB_HOST
  #define CONFIG_AM335X_USB0
  #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
  #define CONFIG_AM335X_USB1
  #define CONFIG_AM335X_USB1_MODE MUSB_HOST
  
  #if defined(CONFIG_MUSB_HOST)
  #define CONFIG_CMD_USB
  #define CONFIG_USB_STORAGE
  #endif
  
  #if defined(CONFIG_SPL_BUILD)
  /* disable host part of MUSB in SPL */
  #undef CONFIG_MUSB_HOST
  /* Disable CPSW SPL support so we fit within the 101KiB limit. */
  #undef CONFIG_SPL_ETH_SUPPORT
  #endif
  
  /* Network */
  #define CONFIG_CMD_MII
  #define CONFIG_PHYLIB
  #define CONFIG_PHY_RESET	1
  #define CONFIG_PHY_NATSEMI
  
  /* CPSW support */
  #define CONFIG_SPL_ETH_SUPPORT
  
  #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
  
  #endif	/* ! __CONFIG_PENGWYN_H */