text: /*
   * Config file for Compulab CM-T335 board
   *
   * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/
   *
   * Author: Ilya Ledvich <ilya@compulab.co.il>
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef __CONFIG_CM_T335_H
  #define __CONFIG_CM_T335_H
  
  #define CONFIG_CM_T335
  
  #include <configs/ti_am335x_common.h>
  
  #undef CONFIG_SPI
  
  #undef CONFIG_MAX_RAM_BANK_SIZE
  #define CONFIG_MAX_RAM_BANK_SIZE	(512 << 20)	/* 512MB */
  
  #define CONFIG_MACH_TYPE		MACH_TYPE_CM_T335
  
  /* Clock Defines */
  #define V_OSCK				25000000  /* Clock output from T2 */
  #define V_SCLK				(V_OSCK)
  
  #define CONFIG_ENV_SIZE			(16 << 10)	/* 16 KiB */
  
  #ifndef CONFIG_SPL_BUILD
  #define MMCARGS \
  	"mmcdev=0\0" \
  	"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
  	"mmcrootfstype=ext4\0" \
  	"mmcargs=setenv bootargs console=${console} " \
  		"root=${mmcroot} " \
  		"rootfstype=${mmcrootfstype}\0" \
  	"mmcboot=echo Booting from mmc ...; " \
  		"run mmcargs; " \
  		"bootm ${loadaddr}\0"
  
  #define NANDARGS \
  	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
  	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
  	"nandroot=ubi0:rootfs rw\0" \
  	"nandrootfstype=ubifs\0" \
  	"nandargs=setenv bootargs console=${console} " \
  		"root=${nandroot} " \
  		"rootfstype=${nandrootfstype} " \
  		"ubi.mtd=${rootfs_name}\0" \
  	"nandboot=echo Booting from nand ...; " \
  		"run nandargs; " \
  		"nboot ${loadaddr} nand0 900000; " \
  		"bootm ${loadaddr}\0"
  
  #define CONFIG_EXTRA_ENV_SETTINGS \
  	"loadaddr=82000000\0" \
  	"console=ttyO0,115200n8\0" \
  	"rootfs_name=rootfs\0" \
  	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  	"bootscript=echo Running bootscript from mmc ...; " \
  		"source ${loadaddr}\0" \
  	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
  	MMCARGS \
  	NANDARGS
  
  #define CONFIG_BOOTCOMMAND \
  	"mmc dev ${mmcdev}; if mmc rescan; then " \
  		"if run loadbootscript; then " \
  			"run bootscript; " \
  		"else " \
  			"if run loaduimage; then " \
  				"run mmcboot; " \
  			"else run nandboot; " \
  			"fi; " \
  		"fi; " \
  	"else run nandboot; fi"
  #endif /* CONFIG_SPL_BUILD */
  
  #define CONFIG_TIMESTAMP
  #define CONFIG_SYS_AUTOLOAD		"no"
  
  /* Serial console configuration */
  #define CONFIG_SERIAL1			1	/* UART0 */
  
  /* NS16550 Configuration */
  #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
  #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
  
  /* I2C Configuration */
  #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
  #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
  #define CONFIG_SYS_I2C_EEPROM_BUS	0
  
  /* SPL */
  
  /* Network. */
  #define CONFIG_PHY_ATHEROS
  
  /* NAND support */
  #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_U_BOOT_START	CONFIG_SYS_TEXT_BASE
  
  #undef CONFIG_SYS_NAND_U_BOOT_OFFS
  #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
  
  #define CONFIG_ENV_OFFSET		0x300000 /* environment starts here */
  #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
  #define CONFIG_SYS_NAND_ONFI_DETECTION
  #ifdef CONFIG_SPL_OS_BOOT
  #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x500000
  #endif
  
  /* GPIO pin + bank to pin ID mapping */
  #define GPIO_PIN(_bank, _pin)		((_bank << 5) + _pin)
  
  /* Status LED */
  /* Status LED polarity is inversed, so init it in the "off" state */
  
  /* EEPROM */
  #define CONFIG_ENV_EEPROM_IS_ON_I2C
  #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
  #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
  #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
  #define CONFIG_SYS_EEPROM_SIZE			256
  
  #ifndef CONFIG_SPL_BUILD
  /*
   * Enable PCA9555 at I2C0-0x26.
   * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
   */
  #define CONFIG_PCA953X
  #define CONFIG_SYS_I2C_PCA953X_ADDR	0x26
  #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x26, 16} }
  #endif /* CONFIG_SPL_BUILD */
  
  #endif	/* __CONFIG_CM_T335_H */
  
  