/*
   * (C) Copyright 2008, 2009
   * Stefan Roese, DENX Software Engineering, sr@denx.de.
   *
   * Common configuration options for all AMCC boards
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef __AMCC_COMMON_H
  #define __AMCC_COMMON_H
  
  #define CONFIG_SYS_GENERIC_BOARD
  
  #define CONFIG_SYS_SDRAM_BASE		0x00000000	/* _must_ be 0		*/
  #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE	/* Start of U-Boot	*/
  #define CONFIG_SYS_MONITOR_LEN		(0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
  #define CONFIG_SYS_MALLOC_LEN		(1 << 20)	/* Reserved for malloc	*/
  
  /*
   * UART
   */
  #define CONFIG_SYS_NS16550
  #define CONFIG_SYS_NS16550_SERIAL
  #ifndef CONFIG_DM_SERIAL
  #define CONFIG_SYS_NS16550_REG_SIZE	1
  #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
  #endif
  #define CONFIG_BAUDRATE		115200
  #define CONFIG_SYS_BAUDRATE_TABLE  \
      {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  
  /*
   * I2C
   */
  #define CONFIG_SYS_I2C
  #define CONFIG_SYS_I2C_PPC4XX
  #define CONFIG_SYS_I2C_PPC4XX_CH0
  #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0		0x7F
  
  /*
   * Ethernet/EMAC/PHY
   */
  #define CONFIG_PPC4xx_EMAC
  #define CONFIG_MII			/* MII PHY management		*/
  #define CONFIG_NETCONSOLE		/* include NetConsole support	*/
  #if defined(CONFIG_440)
  #define CONFIG_SYS_RX_ETH_BUFFER	32	/* number of eth rx buffers	*/
  #else
  #define CONFIG_SYS_RX_ETH_BUFFER	16	/* number of eth rx buffers	*/
  #endif
  
  /*
   * Commands
   */
  #include <config_cmd_default.h>
  
  #define CONFIG_CMD_ASKENV
  #if defined(CONFIG_440)
  #define CONFIG_CMD_CACHE
  #endif
  #define CONFIG_CMD_DHCP
  #define CONFIG_CMD_DIAG
  #define CONFIG_CMD_EEPROM
  #define CONFIG_CMD_ELF
  #define CONFIG_CMD_GREPENV
  #define CONFIG_CMD_I2C
  #define CONFIG_CMD_IRQ
  #define CONFIG_CMD_MII
  #define CONFIG_CMD_NET
  #define CONFIG_CMD_NFS
  #define CONFIG_CMD_PING
  #define CONFIG_CMD_REGINFO
  #define CONFIG_CMD_SETEXPR
  
  /*
   * Miscellaneous configurable options
   */
  #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
  #define CONFIG_SYS_LONGHELP			/* undef to save memory		*/
  #if defined(CONFIG_CMD_KGDB)
  #define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size	*/
  #else
  #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size	*/
  #endif
  #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  #define CONFIG_SYS_MAXARGS		16	/* max number of command args	*/
  #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size	*/
  
  #define CONFIG_SYS_MEMTEST_START	0x0400000 /* memtest works on		*/
  #define CONFIG_SYS_MEMTEST_END		0x0C00000 /* 4 ... 12 MB in DRAM	*/
  
  #define CONFIG_SYS_LOAD_ADDR		0x100000  /* default load address	*/
  #define CONFIG_SYS_EXTBDINFO			/* To use extended board_into (bd_t) */
  
  #define CONFIG_CMDLINE_EDITING		/* add command line history	*/
  #define CONFIG_AUTO_COMPLETE		/* add autocompletion support	*/
  #define CONFIG_LOOPW			/* enable loopw command         */
  #define CONFIG_MX_CYCLIC		/* enable mdc/mwc commands      */
  #define CONFIG_ZERO_BOOTDELAY_CHECK	/* check for keypress on bootdelay==0 */
  #define CONFIG_VERSION_VARIABLE 	/* include version env variable */
  #define CONFIG_SYS_CONSOLE_INFO_QUIET	/* don't print console @ startup*/
  
  #define CONFIG_SYS_HUSH_PARSER		/* Use the HUSH parser		*/
  
  #define CONFIG_LOADS_ECHO		/* echo on for serial download	*/
  #define CONFIG_SYS_LOADS_BAUD_CHANGE	/* allow baudrate change	*/
  
  #define CONFIG_REGEX			/* Enable regular expression support */
  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE
  #define CONFIG_BOOTP_BOOTPATH
  #define CONFIG_BOOTP_GATEWAY
  #define CONFIG_BOOTP_HOSTNAME
  #define CONFIG_BOOTP_SUBNETMASK
  
  /*
   * For booting Linux, the board info and command line data
   * have to be in the first 16 MB of memory, since this is
   * the maximum mapped by the 40x Linux kernel during initialization.
   */
  #define CONFIG_SYS_BOOTMAPSZ		(16 << 20) /* Initial Memory map for Linux */
  #define CONFIG_SYS_BOOTM_LEN		(16 << 20) /* Increase max gunzip size */
  
  /*
   * Internal Definitions
   */
  #if defined(CONFIG_CMD_KGDB)
  #define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port*/
  #endif
  
  /*
   * Pass open firmware flat tree
   */
  #define CONFIG_OF_LIBFDT
  #define CONFIG_OF_BOARD_SETUP
  /* Update size in "reg" property of NOR FLASH device tree nodes */
  #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
  
  /*
   * Booting and default environment
   */
  #define CONFIG_PREBOOT	"echo;"	\
  	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
  	"echo"
  #define CONFIG_BOOTCOMMAND	"run flash_self"
  
  /*
   * Only very few boards have default console not on ttyS0 (like Taishan)
   */
  #if !defined(CONFIG_USE_TTY)
  #define CONFIG_USE_TTY	ttyS0
  #endif
  
  /*
   * Only very few boards have default netdev not set to eth0 (like Arches)
   */
  #if !defined(CONFIG_USE_NETDEV)
  #define CONFIG_USE_NETDEV	eth0
  #endif
  
  /*
   * Only some 4xx PPC's are equipped with an FPU
   */
  #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
      defined(CONFIG_460EX) || defined(CONFIG_460GT)
  #define CONFIG_AMCC_DEF_ENV_ROOTPATH	"rootpath=/opt/eldk/ppc_4xxFP\0"
  #else
  #define CONFIG_AMCC_DEF_ENV_ROOTPATH	"rootpath=/opt/eldk/ppc_4xx\0"
  #endif
  
  /*
   * Only some boards need to extend the bootargs by some additional
   * parameters (like Makalu)
   */
  #if !defined(CONFIG_ADDMISC)
  #define CONFIG_ADDMISC	"addmisc=setenv bootargs ${bootargs}\0"
  #endif
  
  /*
   * General common environment variables shared on all AMCC eval boards
   */
  #define CONFIG_AMCC_DEF_ENV						\
  	"netdev=" __stringify(CONFIG_USE_NETDEV) "\0"				\
  	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
  		"nfsroot=${serverip}:${rootpath}\0"			\
  	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
  	"addip=setenv bootargs ${bootargs} "				\
  		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
  		":${hostname}:${netdev}:off panic=1\0"			\
  	"addtty=setenv bootargs ${bootargs}"				\
  		" console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0"	\
  	CONFIG_ADDMISC							\
  	"initrd_high=30000000\0"					\
  	"kernel_addr_r=1000000\0"					\
  	"fdt_addr_r=1800000\0"						\
  	"ramdisk_addr_r=1900000\0"					\
  	"hostname=" __stringify(CONFIG_HOSTNAME) "\0"				\
  	"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"			\
  	"ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0"		\
  	CONFIG_AMCC_DEF_ENV_ROOTPATH
  
  /*
   * Default environment for arch/powerpc booting
   * for boards that are ported to arch/powerpc
   */
  #define CONFIG_AMCC_DEF_ENV_POWERPC					\
  	"flash_self=run ramargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0"	\
  	"flash_nfs=run nfsargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr} - ${fdt_addr}\0"			\
  	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
  		"tftp ${fdt_addr_r} ${fdt_file}; "			\
  		"run nfsargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr_r} - ${fdt_addr_r}\0"		\
  	"net_self_load=tftp ${kernel_addr_r} ${bootfile};"		\
  		"tftp ${fdt_addr_r} ${fdt_file};"			\
  		"tftp ${ramdisk_addr_r} ${ramdisk_file};\0"		\
  	"net_self=run net_self_load;"					\
  		"run ramargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
  	"fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
  
  /*
   * Default environment for arch/ppc booting,
   * for boards that are not ported to arch/powerpc yet
   */
  #define CONFIG_AMCC_DEF_ENV_PPC						\
  	"flash_self=run ramargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
  	"flash_nfs=run nfsargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr}\0"				\
  	"net_nfs=tftp ${kernel_addr_r} ${bootfile};"			\
  		"run nfsargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr_r}\0"
  
  /*
   * Default environment for arch/ppc booting (old version),
   * for boards that are ported to arch/ppc and arch/powerpc
   */
  #define CONFIG_AMCC_DEF_ENV_PPC_OLD					\
  	"flash_self_old=run ramargs addip addtty addmisc;"		\
  		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
  	"flash_nfs_old=run nfsargs addip addtty addmisc;"		\
  		"bootm ${kernel_addr}\0"				\
  	"net_nfs_old=tftp ${kernel_addr_r} ${bootfile};"		\
  		"run nfsargs addip addtty addmisc;"			\
  		"bootm ${kernel_addr_r}\0"
  
  #define CONFIG_AMCC_DEF_ENV_NOR_UPD					\
  	"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"		\
  	"load=tftp 200000 ${u-boot}\0"					\
  	"update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"	\
  		"era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;"	\
  		"cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
  	"upd=run load update\0"						\
  
  #endif /* __AMCC_COMMON_H */