/*
 * 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 FTDI */
#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

/* SPL */

/* NAND support */
#define CONFIG_CMD_NAND
#define CONFIG_NAND_OMAP_GPMC
#define CONFIG_NAND_OMAP_ELM

/* NAND Configuration. */
#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	4096
#define CONFIG_SYS_NAND_OOBSIZE		224
#define CONFIG_SYS_NAND_ONFI_DETECTION
#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*4096)
#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,  58,  59,  60,  61,  62,  63,  64,  65,\
					   66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,\
					   82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,  96,  97,\
					   98,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,\
					  114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133,\
					  134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,\
					  154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173,\
					  174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193,\
					  194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209}

#define CONFIG_SYS_NAND_ECCSIZE		512
#define CONFIG_SYS_NAND_ECCBYTES	26
#define CONFIG_SYS_NAND_ECCSTEPS	8
#define	CONFIG_SYS_NAND_ECCTOTAL	(CONFIG_SYS_NAND_ECCBYTES * \
						CONFIG_SYS_NAND_ECCSTEPS)
#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH16_CODE_HW
/* END NAND Configuration. */

#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
/* #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000 */
#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000

#define CONFIG_CMD_MTDPARTS

#define CONFIG_CMD_DIAG /* monitor functions : Diagnostics */

#define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
/* Size must be a multiple of Nand erase size (524288 b) */
#define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:512k(SPL)," \
					"512k(SPL.backup1)," \
					"512k(SPL.backup2)," \
					"512k(SPL.backup3),1536k(u-boot)," \
					"512k(u-boot-spl-os)," \
					"512k(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_USB_MUSB_PIO_ONLY
#define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
#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_SPL_BUILD)
/* disable host part of MUSB in SPL */
/* Disable CPSW SPL support so we fit within the 101KiB limit. */
#endif

/* CPSW ethernet */
#define CONFIG_NET_MULTI

/* Network */
#define CONFIG_PHYLIB
#define CONFIG_PHY_RESET	1
#define CONFIG_PHY_NATSEMI
#define CONFIG_PHY_REALTEK

/* CPSW support */

#define CONFIG_SPL_LDSCRIPT		"arch/arm/mach-omap2/am33xx/u-boot-spl.lds"

#endif	/* ! __CONFIG_PENGWYN_H */