km/common: simplify debug environment

[people/ms/u-boot.git] / include / configs / km / keymile-common.h

/*
 * (C) Copyright 2008-2011
 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __CONFIG_KEYMILE_H
#define __CONFIG_KEYMILE_H

/* Do boardspecific init for all boards */
#define CONFIG_BOARD_EARLY_INIT_R
#define CONFIG_LAST_STAGE_INIT

#define CONFIG_BOOTCOUNT_LIMIT

/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_IMMAP
#define CONFIG_CMD_MII
#define CONFIG_CMD_PING
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_I2C
#define CONFIG_CMD_JFFS2
#define CONFIG_CMD_MTDPARTS
#define CONFIG_CMD_SETEXPR

#undef	CONFIG_WATCHDOG		/* disable platform specific watchdog */

#define CONFIG_BOOTDELAY	2 /* autoboot after 2 seconds */
#undef	CONFIG_BOOTARGS		/* the boot command will set bootargs */

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
#define CONFIG_SYS_LONGHELP			/* undef to save memory	  */
#define CONFIG_SYS_PROMPT		"=> "	/* Monitor Command Prompt */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
#else
#define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size  */
#endif
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
#define CONFIG_SYS_MAXARGS		32 /* max number of command args */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE

#define CONFIG_HUSH_INIT_VAR

#define CONFIG_SYS_ALT_MEMTEST		/* memory test, takes time */

#define CONFIG_SYS_HZ			1000	/* decr. freq: 1 ms ticks */

#define CONFIG_BAUDRATE			115200
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }

#define CONFIG_LOADS_ECHO
#define CONFIG_SYS_LOADS_BAUD_CHANGE
#define CONFIG_SYS_BOARD_DRAM_INIT	/* Used board specific dram_init */

/*
 * How to get access to the slot ID.  Put this here to make it easy
 * to modify in a centralized location.  This is used in the HDLC
 * driver to set the MAC.
*/
#define CONFIG_CHECK_ETHERNET_PRESENT
#define CONFIG_SYS_SLOT_ID_BASE		CONFIG_SYS_KMBEC_FPGA_BASE
#define CONFIG_SYS_SLOT_ID_OFF		(0x07)	/* register offset */
#define CONFIG_SYS_SLOT_ID_MASK		(0x3f)	/* mask for slot ID bits */

#define CONFIG_I2C_MULTI_BUS
#define CONFIG_SYS_MAX_I2C_BUS		1
#define CONFIG_SYS_I2C_INIT_BOARD
#define CONFIG_I2C_MUX

/* EEprom support */
#define CONFIG_SYS_I2C_MULTI_EEPROMS
#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10

/* Support the IVM EEprom */
#define	CONFIG_SYS_IVM_EEPROM_ADR	0x50
#define CONFIG_SYS_IVM_EEPROM_MAX_LEN	0x400
#define CONFIG_SYS_IVM_EEPROM_PAGE_LEN	0x100

#define	CONFIG_SYS_FLASH_PROTECTION

/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME

#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)

/* UBI Support for all Keymile boards */
#define CONFIG_CMD_UBI
#define CONFIG_RBTREE
#define CONFIG_MTD_PARTITIONS
#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_CONCAT

/* common powerpc specific env settings */
#ifndef CONFIG_KM_DEF_ENV_BOOTPARAMS
#define CONFIG_KM_DEF_ENV_BOOTPARAMS \
	"actual_bank=0\0"
#endif

#ifndef CONFIG_KM_DEF_NETDEV
#define CONFIG_KM_DEF_NETDEV	\
	"netdev=eth0\0"
#endif

#ifndef CONFIG_KM_UBI_PARTITION_NAME
#define CONFIG_KM_UBI_PARTITION_NAME	"ubi0"
#endif
#ifndef CONFIG_KM_UBI_LINUX_MTD_NAME
#define CONFIG_KM_UBI_LINUX_MTD_NAME	"ubi0"
#endif

#define xstr(s)	str(s)
#define str(s)	#s

/*
 * boottargets
 * - set 'subbootcmds'
 * - set 'bootcmd' and 'altbootcmd'
 * available targets:
 * - 'release': for a standalone system		kernel/rootfs from flash
 */
#define CONFIG_KM_DEF_ENV_BOOTTARGETS					\
	"subbootcmds=ubiattach ubicopy cramfsloadfdt cramfsloadkernel "	\
		"flashargs add_default addpanic boot\0"			\
	"develop="							\
		"tftp 200000 scripts/develop-${arch}.txt && "		\
		"env import -t 200000 ${filesize} && "			\
		"run setup_debug_env\0"					\
	"ramfs="							\
		"tftp 200000 scripts/ramfs-${arch}.txt && "		\
		"env import -t 200000 ${filesize} && "			\
		"run setup_debug_env\0"					\
	""

/*
 * bootargs
 * - modify 'bootargs'
 *
 * - 'add_default': default bootargs common for all arm/ppc boards
 * - 'addpanic': add kernel panic options
 * - 'flashargs': defaults arguments for flash base boot
 *
 */
#define CONFIG_KM_DEF_ENV_BOOTARGS					\
	"add_default="							\
		"setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off3"				\
		" console=" CONFIG_KM_CONSOLE_TTY ",${baudrate}"	\
		" mem=${pnvramaddr} init=${init}"			\
		" phram.phram=phvar,${varaddr}," xstr(CONFIG_KM_PHRAM)	\
		" ubi.mtd=" CONFIG_KM_UBI_LINUX_MTD_NAME " "		\
		CONFIG_KM_DEF_BOOT_ARGS_CPU				\
		"\0"							\
	"addpanic="							\
		"setenv bootargs ${bootargs} panic=1 panic_on_oops=1\0"	\
	"flashargs="							\
		"setenv bootargs "					\
		"root=mtdblock:rootfs${boot_bank} "			\
		"rootfstype=squashfs ro\0"				\
	""

/*
 * flash_boot
 * - commands for booting from flash
 *
 * - 'cramfsloadkernel': copy kernel from a cramfs to ram
 * - 'ubiattach': attach ubi partition
 * - 'ubicopy': copy ubi volume to ram
 *              - volume names: bootfs0, bootfs1, bootfs2, ...
 *
 * processor specific settings
 * - 'cramfsloadfdt': copy fdt from a cramfs to ram
 */
#define CONFIG_KM_DEF_ENV_FLASH_BOOT					\
	"cramfsaddr=" xstr(CONFIG_KM_CRAMFS_ADDR) "\0"			\
	"cramfsloadkernel=cramfsload ${load_addr_r} uImage\0"		\
	"ubiattach=ubi part " CONFIG_KM_UBI_PARTITION_NAME "\0"		\
	"ubicopy=ubi read "xstr(CONFIG_KM_CRAMFS_ADDR)			\
			" bootfs${boot_bank}\0"				\
	""

/*
 * constants
 * - KM specific constants and commands
 *
 * - 'default': setup default environment
 */
#define CONFIG_KM_DEF_ENV_CONSTANTS					\
	"backup_bank=0\0"						\
	"release=run newenv; reset\0"					\
	"pnvramsize=" xstr(CONFIG_KM_PNVRAM) "\0"			\
	"testbootcmd=setenv boot_bank ${test_bank}; "			\
		"run ${subbootcmds}; reset\0"				\
	""

#ifndef CONFIG_KM_DEF_ENV
#define CONFIG_KM_DEF_ENV	\
	CONFIG_KM_DEF_ENV_BOOTPARAMS					\
	CONFIG_KM_DEF_NETDEV						\
	CONFIG_KM_DEF_ENV_CPU						\
	CONFIG_KM_DEF_ENV_BOOTTARGETS					\
	CONFIG_KM_DEF_ENV_BOOTARGS					\
	CONFIG_KM_DEF_ENV_FLASH_BOOT					\
	CONFIG_KM_DEF_ENV_CONSTANTS					\
	"altbootcmd=run bootcmd\0"					\
	"bootcmd=km_checkbidhwk &&  "					\
	"	setenv bootcmd \'setenv boot_bank ${actual_bank}; "	\
			"run ${subbootcmds}; reset\' && "		\
		"setenv altbootcmd \'setenv boot_bank ${backup_bank}; "	\
			"run ${subbootcmds}; reset\' && "		\
		"saveenv && saveenv && boot\0"				\
	"bootlimit=2\0"							\
	"init=/sbin/init-overlay.sh\0"					\
	"load_addr_r="xstr(CONFIG_KM_KERNEL_ADDR) "\0"			\
	"load=tftpboot ${load_addr_r} ${u-boot}\0"			\
	"mtdids=" MTDIDS_DEFAULT "\0"					\
	"mtdparts=" MTDPARTS_DEFAULT "\0"				\
	"stderr=serial\0"						\
	"stdin=serial\0"						\
	"stdout=serial\0"						\
	"u-boot="xstr(CONFIG_HOSTNAME) "/u-boot.bin\0"			\
	""
#endif /* CONFIG_KM_DEF_ENV */

#define CONFIG_VERSION_VARIABLE	/* include version env variable */

#endif /* __CONFIG_KEYMILE_H */