text: /* SPDX-License-Identifier: GPL-2.0+ */
  /*
   * (C) Copyright 2007-2010 Michal Simek
   *
   * Michal SIMEK <monstr@monstr.eu>
   */
  
  #ifndef __CONFIG_H
  #define __CONFIG_H
  
  #include "../board/xilinx/microblaze-generic/xparameters.h"
  
  /* MicroBlaze CPU */
  #define	MICROBLAZE_V5		1
  
  /* linear and spi flash memory */
  #ifdef XILINX_FLASH_START
  #define	FLASH
  #undef	SPIFLASH
  #undef	RAMENV	/* hold environment in flash */
  #else
  #undef	FLASH
  #undef	SPIFLASH
  #define	RAMENV	/* hold environment in RAM */
  #endif
  
  /* uart */
  /* The following table includes the supported baudrates */
  # define CONFIG_SYS_BAUDRATE_TABLE \
  	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  
  /* setting reset address */
  /*#define	CONFIG_SYS_RESET_ADDRESS	CONFIG_SYS_TEXT_BASE*/
  
  #define CONFIG_SYS_MALLOC_LEN	0xC0000
  
  /* Stack location before relocation */
  #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
  					 CONFIG_SYS_MALLOC_F_LEN)
  
  /*
   * CFI flash memory layout - Example
   * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
   * CONFIG_SYS_FLASH_SIZE = 0x0080_0000;	  8MB
   *
   * SECT_SIZE = 0x20000;			128kB is one sector
   * CONFIG_ENV_SIZE = SECT_SIZE;		128kB environment store
   *
   * 0x2200_0000	CONFIG_SYS_FLASH_BASE
   *					FREE		256kB
   * 0x2204_0000	CONFIG_ENV_ADDR
   *					ENV_AREA	128kB
   * 0x2206_0000
   *					FREE
   * 0x2280_0000	CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
   *
   */
  
  #ifdef FLASH
  # define CONFIG_SYS_FLASH_BASE		XILINX_FLASH_START
  # define CONFIG_SYS_FLASH_SIZE		XILINX_FLASH_SIZE
  /* ?empty sector */
  # define CONFIG_SYS_FLASH_EMPTY_INFO	1
  /* max number of memory banks */
  # define CONFIG_SYS_MAX_FLASH_BANKS	1
  /* max number of sectors on one chip */
  # define CONFIG_SYS_MAX_FLASH_SECT	512
  /* hardware flash protection */
  /* use buffered writes (20x faster) */
  # ifdef	RAMENV
  #  define CONFIG_ENV_SIZE	0x1000
  #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  
  # else	/* FLASH && !RAMENV */
  /* 128K(one sector) for env */
  #  define CONFIG_ENV_SECT_SIZE	0x20000
  #  define CONFIG_ENV_ADDR \
  			(CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
  #  define CONFIG_ENV_SIZE	0x20000
  # endif /* FLASH && !RAMBOOT */
  #else /* !FLASH */
  
  #ifdef SPIFLASH
  # ifdef	RAMENV
  #  define CONFIG_ENV_SIZE	0x1000
  #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  
  # else	/* SPIFLASH && !RAMENV */
  /* 128K(two sectors) for env */
  #  define CONFIG_ENV_SECT_SIZE	0x10000
  #  define CONFIG_ENV_SIZE	(2 * CONFIG_ENV_SECT_SIZE)
  /* Warning: adjust the offset in respect of other flash content and size */
  #  define CONFIG_ENV_OFFSET	(128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
  # endif /* SPIFLASH && !RAMBOOT */
  #else /* !SPIFLASH */
  
  /* ENV in RAM */
  # define CONFIG_ENV_SIZE	0x1000
  # define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  #endif /* !SPIFLASH */
  #endif /* !FLASH */
  
  #if defined(XILINX_USE_ICACHE)
  # define CONFIG_ICACHE
  #else
  # undef CONFIG_ICACHE
  #endif
  
  #if defined(XILINX_USE_DCACHE)
  # define CONFIG_DCACHE
  #else
  # undef CONFIG_DCACHE
  #endif
  
  #ifndef XILINX_DCACHE_BYTE_SIZE
  #define XILINX_DCACHE_BYTE_SIZE	32768
  #endif
  
  /*
   * BOOTP options
   */
  #define CONFIG_BOOTP_BOOTFILESIZE
  
  #if defined(CONFIG_MTD_PARTITIONS)
  /* MTD partitions */
  
  /* default mtd partition table */
  #endif
  
  /* size of console buffer */
  #define	CONFIG_SYS_CBSIZE	512
  /* max number of command args */
  #define	CONFIG_SYS_MAXARGS	15
  /* default load address */
  #define	CONFIG_SYS_LOAD_ADDR	0
  
  #define	CONFIG_HOSTNAME		"microblaze-generic"
  #define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
  
  /* architecture dependent code */
  #define	CONFIG_SYS_USR_EXCEP	/* user exception */
  
  #define	CONFIG_PREBOOT	"echo U-BOOT for ${hostname};setenv preboot;echo"
  
  #ifndef CONFIG_EXTRA_ENV_SETTINGS
  #define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" \
  					"nor0=flash-0\0"\
  					"mtdparts=mtdparts=flash-0:"\
  					"256k(u-boot),256k(env),3m(kernel),"\
  					"1m(romfs),1m(cramfs),-(jffs2)\0"\
  					"nc=setenv stdout nc;"\
  					"setenv stdin nc\0" \
  					"serial=setenv stdout serial;"\
  					"setenv stdin serial\0"
  #endif
  
  /* Enable flat device tree support */
  #define CONFIG_LMB		1
  
  #if defined(CONFIG_XILINX_AXIEMAC)
  # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	1
  #endif
  
  /* SPL part */
  
  #ifdef CONFIG_SYS_FLASH_BASE
  # define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_FLASH_BASE
  #endif
  
  /* for booting directly linux */
  
  #define CONFIG_SYS_FDT_BASE		(CONFIG_SYS_FLASH_BASE + \
  					 0x40000)
  #define CONFIG_SYS_FDT_SIZE		(16 << 10)
  #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_TEXT_BASE + \
  					 0x1000000)
  
  /* SP location before relocation, must use scratch RAM */
  /* BRAM start */
  #define CONFIG_SYS_INIT_RAM_ADDR	0x0
  /* BRAM size - will be generated */
  #define CONFIG_SYS_INIT_RAM_SIZE	0x100000
  
  # define CONFIG_SPL_STACK_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
  					 CONFIG_SYS_INIT_RAM_SIZE - \
  					 CONFIG_SYS_MALLOC_F_LEN)
  
  /* Just for sure that there is a space for stack */
  #define CONFIG_SPL_STACK_SIZE		0x100
  
  #define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
  
  #define CONFIG_SPL_MAX_FOOTPRINT	(CONFIG_SYS_INIT_RAM_SIZE - \
  					 CONFIG_SYS_INIT_RAM_ADDR - \
  					 CONFIG_SYS_MALLOC_F_LEN - \
  					 CONFIG_SPL_STACK_SIZE)
  
  #endif	/* __CONFIG_H */
  