u-boot/include/configs/grsim_leon2.h

/* Configuration header file for LEON2 GRSIM.
 *
 * (C) Copyright 2003-2005
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2007, 2015
 * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_H__
#define __CONFIG_H__

/*
 * High Level Configuration Options
 * (easy to change)
 *
 * Select between TSIM or GRSIM by setting CONFIG_GRSIM or CONFIG_TSIM to 1.
 *
 * TSIM command
 *  tsim-leon -sdram 0 -ram 32000 -rom 8192 -mmu
 *
 */

#define CONFIG_GRSIM		0	/* ... not running on GRSIM */
#define CONFIG_TSIM		1	/* ... running on TSIM */

/* CPU / AMBA BUS configuration */
#define CONFIG_SYS_CLK_FREQ	40000000	/* 40MHz */

/*
 * Serial console configuration
 */
#define CONFIG_BAUDRATE		38400	/* ... at 38400 bps */
#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }

/* Partitions */

/*
 * Supported commands
 */
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_FPGA_LOADMK
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_REGINFO

/*
 * Autobooting
 */

#define CONFIG_PREBOOT	"echo;"	\
	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
	"echo"

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\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"			\
	"flash_nfs=run nfsargs addip;"					\
		"bootm ${kernel_addr}\0"				\
	"flash_self=run ramargs addip;"					\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"net_nfs=tftp 40000000 ${bootfile};run nfsargs addip;bootm\0"	\
	"rootpath=/export/roofs\0"					\
	"scratch=40000000\0"					\
	"getkernel=tftpboot $(scratch) $(bootfile)\0" \
	"bootargs=console=ttyS0,38400" \
	""
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.81
#define CONFIG_IPADDR 192.168.0.80
#define CONFIG_ROOTPATH "/export/rootfs"
#define CONFIG_HOSTNAME  grxc3s1500
#define CONFIG_BOOTFILE "/uImage"

#define CONFIG_BOOTCOMMAND	"run flash_self"

/* Memory MAP
 *
 *  Flash:
 *  |--------------------------------|
 *  | 0x00000000 Text & Data & BSS   | *
 *  |            for Monitor         | *
 *  | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| *
 *  | UNUSED / Growth                | * 256kb
 *  |--------------------------------|
 *  | 0x00050000 Base custom area    | *
 *  |            kernel / FS         | *
 *  |                                | * Rest of Flash
 *  |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
 *  | END-0x00008000 Environment     | * 32kb
 *  |--------------------------------|
 *
 *
 *
 *  Main Memory:
 *  |--------------------------------|
 *  | UNUSED / scratch area          |
 *  |                                |
 *  |                                |
 *  |                                |
 *  |                                |
 *  |--------------------------------|
 *  | Monitor .Text / .DATA / .BSS   | * 256kb
 *  | Relocated!                     | *
 *  |--------------------------------|
 *  | Monitor Malloc                 | * 128kb (contains relocated environment)
 *  |--------------------------------|
 *  | Monitor/kernel STACK           | * 64kb
 *  |--------------------------------|
 *  | Page Table for MMU systems     | * 2k
 *  |--------------------------------|
 *  | PROM Code accessed from Linux  | * 6kb-128b
 *  |--------------------------------|
 *  | Global data (avail from kernel)| * 128b
 *  |--------------------------------|
 *
 */

/*
 * Flash configuration (8,16 or 32 MB)
 * TEXT base always at 0xFFF00000
 * ENV_ADDR always at  0xFFF40000
 * FLASH_BASE at 0xFC000000 for 64 MB
 *               0xFE000000 for 32 MB
 *               0xFF000000 for 16 MB
 *               0xFF800000 for  8 MB
 */
#define CONFIG_SYS_NO_FLASH		1
#define CONFIG_SYS_FLASH_BASE		0x00000000
#define CONFIG_SYS_FLASH_SIZE		0x00800000
#define CONFIG_ENV_SIZE		0x8000

#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE+CONFIG_SYS_FLASH_SIZE-CONFIG_ENV_SIZE)

#define PHYS_FLASH_SECT_SIZE	0x00020000	/* 128 KB sectors */
#define CONFIG_SYS_MAX_FLASH_SECT	64	/* max num of sects on one chip */
#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max num of memory banks      */

#define CONFIG_SYS_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)  */
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)  */
#define CONFIG_SYS_FLASH_LOCK_TOUT	5	/* Timeout for Flash Set Lock Bit (in ms) */
#define CONFIG_SYS_FLASH_UNLOCK_TOUT	10000	/* Timeout for Flash Clear Lock Bits (in ms) */

#ifdef ENABLE_FLASH_SUPPORT
/* For use with grsim FLASH emulation extension */
#define CONFIG_SYS_FLASH_PROTECTION	/* "Real" (hardware) sectors protection */

#undef CONFIG_FLASH_8BIT	/* Flash is 32-bit */

/*** CFI CONFIG ***/
#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_8BIT
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_CFI
#endif

/*
 * Environment settings
 */
#define CONFIG_ENV_IS_NOWHERE 1
/*#define CONFIG_ENV_IS_IN_FLASH*/
/*#define CONFIG_ENV_SIZE		0x8000*/
#define CONFIG_ENV_SECT_SIZE	0x40000
#define CONFIG_ENV_OVERWRITE	1

/*
 * Memory map
 */
#define CONFIG_SYS_SDRAM_BASE		0x40000000
#define CONFIG_SYS_SDRAM_SIZE		0x00800000
#define CONFIG_SYS_SDRAM_END		(CONFIG_SYS_SDRAM_BASE+CONFIG_SYS_SDRAM_SIZE)

/* no SRAM available */
#undef CONFIG_SYS_SRAM_BASE
#undef CONFIG_SYS_SRAM_SIZE

/* Always Run U-Boot from SDRAM */
#define CONFIG_SYS_RAM_BASE CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_RAM_SIZE CONFIG_SYS_SDRAM_SIZE
#define CONFIG_SYS_RAM_END CONFIG_SYS_SDRAM_END

#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_RAM_END - GENERATED_GBL_DATA_SIZE)

#define CONFIG_SYS_PROM_SIZE		(8192-GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_PROM_OFFSET		(CONFIG_SYS_GBL_DATA_OFFSET-CONFIG_SYS_PROM_SIZE)

#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_PROM_OFFSET-32)
#define CONFIG_SYS_STACK_SIZE		(0x10000-32)

#define CONFIG_SYS_MONITOR_BASE    CONFIG_SYS_TEXT_BASE
#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
#   define CONFIG_SYS_RAMBOOT		1
#endif

#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor   */
#define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()  */
#define CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */

#define CONFIG_SYS_MALLOC_END		(CONFIG_SYS_INIT_SP_OFFSET-CONFIG_SYS_STACK_SIZE)
#define CONFIG_SYS_MALLOC_BASE		(CONFIG_SYS_MALLOC_END-CONFIG_SYS_MALLOC_LEN)

/* relocated monitor area */
#define CONFIG_SYS_RELOC_MONITOR_MAX_END   CONFIG_SYS_MALLOC_BASE
#define CONFIG_SYS_RELOC_MONITOR_BASE     (CONFIG_SYS_RELOC_MONITOR_MAX_END-CONFIG_SYS_MONITOR_LEN)

/* make un relocated address from relocated address */
#define UN_RELOC(address) (address-(CONFIG_SYS_RELOC_MONITOR_BASE-CONFIG_SYS_TEXT_BASE))

/*
 * Ethernet configuration
 */
/*#define CONFIG_GRETH	1*/

/*
 * Define CONFIG_GRETH_10MBIT to force GRETH at 10Mb/s
 */
/* #define CONFIG_GRETH_10MBIT 1 */
#define CONFIG_PHY_ADDR		0x00

/*
 * Miscellaneous configurable options
 */
#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)	/* Print Buffer Size */
#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	0x00100000	/* memtest works on */
#define CONFIG_SYS_MEMTEST_END		0x00f00000	/* 1 ... 15 MB in DRAM  */

#define CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address */

/***** Gaisler GRLIB IP-Cores Config ********/

#define CONFIG_SYS_GRLIB_SDRAM    0
#define CONFIG_SYS_GRLIB_MEMCFG1  (0x000000ff | (1<<11))
#if CONFIG_GRSIM
#define CONFIG_SYS_GRLIB_MEMCFG2  0x82206000
#else
#define CONFIG_SYS_GRLIB_MEMCFG2  0x00001820
#endif
#define CONFIG_SYS_GRLIB_MEMCFG3  0x00136000

/*** LEON2 UART 1 ***/

/* UART1 Define to 1 or 0 */
#define LEON2_UART1_LOOPBACK_ENABLE 0
#define LEON2_UART1_FLOWCTRL_ENABLE 0
#define LEON2_UART1_PARITY_ENABLE 0
#define LEON2_UART1_ODDPAR_ENABLE 0

/*** LEON2 UART 2 ***/

/* UART2 Define to 1 or 0 */
#define LEON2_UART2_LOOPBACK_ENABLE 0
#define LEON2_UART2_FLOWCTRL_ENABLE 0
#define LEON2_UART2_PARITY_ENABLE 0
#define LEON2_UART2_ODDPAR_ENABLE 0

#define LEON_CONSOLE_UART1 1
#define LEON_CONSOLE_UART2 2

/* Use UART2 as console */
#define LEON2_CONSOLE_SELECT LEON_CONSOLE_UART1

/* LEON2 I/O Port */
/*#define LEON2_IO_PORT_DIR 0x0000aa00*/

/* default kernel command line */
#define CONFIG_DEFAULT_KERNEL_COMMAND_LINE "console=ttyS0,38400\0\0"

#endif				/* __CONFIG_H */