| /* 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 */ |
