/*
 * 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 GPMC_NAND_ECC_LP_x8_LAYOUT	1
#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 */

/*
 * 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_ADDR		1
#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 */