u-boot/include/configs/grsim.h

/* Configuration header file for LEON3 GRSIM, trying to be similar
 * to Gaisler's GR-XC3S-1500 board.
 *
 * (C) Copyright 2003-2005
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2007
 * Daniel Hellstrom, Gaisler Research, 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-leon3 -sdram 32768 -ram 4096 -rom 2048 -mmu -cas
 *
 * In the evaluation version of TSIM, the -sdram/-ram/-rom arguments are
 * hard-coded to these values and need not be specified. (see below)
 *
 * Get TSIM from http://www.gaisler.com/index.php/downloads/simulators
 */

#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_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		0x60000000
#define CONFIG_SYS_SDRAM_SIZE		0x02000000 /* 32MiB SDRAM */
#define CONFIG_SYS_SDRAM_END		(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE)

#define CONFIG_SYS_SRAM_BASE		0x40000000
#define CONFIG_SYS_SRAM_SIZE		0x00400000 /* 4MiB SRAM */
#define CONFIG_SYS_SRAM_END		(CONFIG_SYS_SRAM_BASE + 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))

#ifdef CONFIG_CMD_NET
/*
 * 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

#endif /* CONFIG_CMD_NET */

/*
 * 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))

/* No SDRAM Configuration */
#undef CONFIG_SYS_GRLIB_GAISLER_SDCTRL1

/* LEON2 MCTRL configuration */
#define CONFIG_SYS_GRLIB_ESA_MCTRL1
#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG1   (0x000000ff | (1<<11))
#if CONFIG_GRSIM
/* GRSIM configuration */
#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x82206000
#else
/* TSIM configuration */
#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG2   0x81805220
#endif
#define CONFIG_SYS_GRLIB_ESA_MCTRL1_CFG3   0x00136000

/* GRLIB FT-MCTRL configuration */
#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1
#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG1   (0x000000ff | (1<<11))
#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG2   0x82206000
#define CONFIG_SYS_GRLIB_GAISLER_FTMCTRL1_CFG3   0x00136000

/* no DDR controller */
#undef CONFIG_SYS_GRLIB_GAISLER_DDRSPA1

/* no DDR2 Controller */
#undef CONFIG_SYS_GRLIB_GAISLER_DDR2SPA1

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

/* TSIM command:
 * $ ./tsim-leon3 -mmu -cas
 *
 *  This TSIM evaluation version will expire 2015-04-02
 *
 *
 *  TSIM/LEON3 SPARC simulator, version 2.0.35 (evaluation version)
 *
 *  Copyright (C) 2014, Aeroflex Gaisler - all rights reserved.
 *  This software may only be used with a valid license.
 *  For latest updates, go to http://www.gaisler.com/
 *  Comments or bug-reports to support@gaisler.com
 *
 * serial port A on stdin/stdout
 * allocated 4096 K SRAM memory, in 1 bank
 * allocated 32 M SDRAM memory, in 1 bank
 * allocated 2048 K ROM memory
 * icache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
 * dcache: 1 * 4 kbytes, 16 bytes/line (4 kbytes total)
 * tsim> leon
 * 0x80000000   Memory configuration register 1   0x000002ff
 * 0x80000004   Memory configuration register 2   0x81805220
 * 0x80000008   Memory configuration register 3   0x00000000
 */

#endif				/* __CONFIG_H */