U-Boot

/*
 * (C) Copyright 2015
 * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
 *
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * DDR Setup
 */
#define CONFIG_SYS_SDRAM_BASE		0x00000000 /* DDR is system memory */
/* TODO: Check: Can this be unified with CONFIG_SYS_SDRAM_BASE? */
#define CONFIG_SYS_DDR_SDRAM_BASE	CONFIG_SYS_SDRAM_BASE

/*
 * Memory test
 * TODO: Migrate!
 */
#define CONFIG_SYS_MEMTEST_START	0x00001000 /* memtest region */
#define CONFIG_SYS_MEMTEST_END		0x07e00000

/*
 * The reserved memory
 */
#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE /* start of monitor */

#define CONFIG_SYS_MONITOR_LEN	(512 * 1024) /* Reserve 512 kB for Mon */
#define CONFIG_SYS_MALLOC_LEN	(512 * 1024) /* Reserved for malloc */

/*
 * Initial RAM Base Address Setup
 */
#define CONFIG_SYS_INIT_RAM_LOCK
#define CONFIG_SYS_INIT_RAM_ADDR	0xE6000000 /* Initial RAM address */
#define CONFIG_SYS_INIT_RAM_SIZE	0x1000 /* Size of used area in RAM */
#define CONFIG_SYS_GBL_DATA_OFFSET	\
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)

/*
 * FLASH on the Local Bus
 */
#define CONFIG_SYS_FLASH_BASE		0xFE000000 /* FLASH base address */
#define CONFIG_SYS_FLASH_SIZE		8 /* FLASH size is up to 8M */

#define CONFIG_SYS_MAX_FLASH_BANKS	1 /* number of banks */
#define CONFIG_SYS_MAX_FLASH_SECT	135

#define CONFIG_SYS_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}

/*
 * Environment
 */

#define CONFIG_LOADS_ECHO		/* echo on for serial download */
#define CONFIG_SYS_LOADS_BAUD_CHANGE	/* allow baudrate change */

/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_LOAD_ADDR		0x2000000 /* default load address */
#define CONFIG_SYS_HZ		1000	/* decrementer freq: 1ms ticks */

#define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size */

/* Print Buffer Size */
#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

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 256 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */

/*
 * Environment Configuration
 */
#define CONFIG_ENV_OVERWRITE

#define CONFIG_HAS_ETH0
#define CONFIG_HAS_ETH1

#define CONFIG_LOADADDR	800000	/* default location for tftp and bootm */

/* TODO: Turn into string option and migrate to Kconfig */
#define CONFIG_HOSTNAME		"gazerbeam"
#define CONFIG_ROOTPATH		"/opt/nfsroot"
#define CONFIG_BOOTFILE		"uImage"

#define CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"consoledev=ttyS1\0"						\
	"u-boot=u-boot.bin\0"						\
	"kernel_addr=1000000\0"					\
	"fdt_addr=C00000\0"						\
	"fdtfile=hrcon.dtb\0"				\
	"load=tftp ${loadaddr} ${u-boot}\0"				\
	"update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE)	\
		" +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\
		" +${filesize};cp.b ${fileaddr} "			\
		__stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0"	\
	"upd=run load update\0"						\

#define CONFIG_NFSBOOTCOMMAND						\
	"setenv bootargs root=/dev/nfs rw "				\
	"nfsroot=$serverip:$rootpath "					\
	"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
	"console=$consoledev,$baudrate $othbootargs;"			\
	"tftp ${kernel_addr} $bootfile;"				\
	"tftp ${fdt_addr} $fdtfile;"					\
	"bootm ${kernel_addr} - ${fdt_addr}"

#define CONFIG_MMCBOOTCOMMAND						\
	"setenv bootargs root=/dev/mmcblk0p3 rw rootwait "		\
	"console=$consoledev,$baudrate $othbootargs;"			\
	"ext2load mmc 0:2 ${kernel_addr} $bootfile;"			\
	"ext2load mmc 0:2 ${fdt_addr} $fdtfile;"			\
	"bootm ${kernel_addr} - ${fdt_addr}"

#define CONFIG_BOOTCOMMAND		CONFIG_MMCBOOTCOMMAND

#endif	/* __CONFIG_H */