microblaze-generic.h
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/*
* (C) Copyright 2007-2010 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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
#ifdef XILINX_SPI_FLASH_BASEADDR
#undef FLASH
#define SPIFLASH
#undef RAMENV /* hold environment in flash */
#else
#undef FLASH
#undef SPIFLASH
#define RAMENV /* hold environment in RAM */
#endif
#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*/
/* gpio */
#ifdef XILINX_GPIO_BASEADDR
# define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR
#endif
/* watchdog */
#if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
# define CONFIG_WATCHDOG_BASEADDR XILINX_WATCHDOG_BASEADDR
# define CONFIG_WATCHDOG_IRQ XILINX_WATCHDOG_IRQ
# ifndef CONFIG_SPL_BUILD
# define CONFIG_HW_WATCHDOG
# define CONFIG_XILINX_TB_WATCHDOG
# endif
#endif
#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
# define CONFIG_SYS_FLASH_CFI 1
# define CONFIG_FLASH_CFI_DRIVER 1
/* ?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 */
# define CONFIG_SYS_FLASH_PROTECTION
/* use buffered writes (20x faster) */
# define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
# 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
# define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR
# define CONFIG_SPI 1
# define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
# define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
# define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
# ifdef RAMENV
# define CONFIG_ENV_SIZE 0x1000
# define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
# else /* SPIFLASH && !RAMENV */
# define CONFIG_ENV_SPI_MODE SPI_MODE_3
# define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
# define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
/* 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_CMD_JFFS2)
# define CONFIG_MTD_PARTITIONS
#endif
#if defined(CONFIG_CMD_UBI)
# define CONFIG_MTD_PARTITIONS
#endif
#if defined(CONFIG_MTD_PARTITIONS)
/* MTD partitions */
#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
#define CONFIG_FLASH_CFI_MTD
/* 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 XILINX_BOARD_NAME
#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_MII 1
# define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
#else
# undef CONFIG_MII
#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 */