1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2007-2010 Michal Simek 4 * 5 * Michal SIMEK <monstr@monstr.eu> 6 */ 7 8 #ifndef __CONFIG_H 9 #define __CONFIG_H 10 11 #include "../board/xilinx/microblaze-generic/xparameters.h" 12 13 /* MicroBlaze CPU */ 14 #define MICROBLAZE_V5 1 15 16 /* linear and spi flash memory */ 17 #ifdef XILINX_FLASH_START 18 #define FLASH 19 #undef SPIFLASH 20 #undef RAMENV /* hold environment in flash */ 21 #else 22 #undef FLASH 23 #undef SPIFLASH 24 #define RAMENV /* hold environment in RAM */ 25 #endif 26 27 /* uart */ 28 /* The following table includes the supported baudrates */ 29 # define CONFIG_SYS_BAUDRATE_TABLE \ 30 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} 31 32 /* setting reset address */ 33 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/ 34 35 #define CONFIG_SYS_MALLOC_LEN 0xC0000 36 37 /* Stack location before relocation */ 38 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \ 39 CONFIG_SYS_MALLOC_F_LEN) 40 41 /* 42 * CFI flash memory layout - Example 43 * CONFIG_SYS_FLASH_BASE = 0x2200_0000; 44 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB 45 * 46 * SECT_SIZE = 0x20000; 128kB is one sector 47 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store 48 * 49 * 0x2200_0000 CONFIG_SYS_FLASH_BASE 50 * FREE 256kB 51 * 0x2204_0000 CONFIG_ENV_ADDR 52 * ENV_AREA 128kB 53 * 0x2206_0000 54 * FREE 55 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE 56 * 57 */ 58 59 #ifdef FLASH 60 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START 61 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE 62 /* ?empty sector */ 63 # define CONFIG_SYS_FLASH_EMPTY_INFO 1 64 /* max number of memory banks */ 65 # define CONFIG_SYS_MAX_FLASH_BANKS 1 66 /* max number of sectors on one chip */ 67 # define CONFIG_SYS_MAX_FLASH_SECT 512 68 /* hardware flash protection */ 69 /* use buffered writes (20x faster) */ 70 # ifdef RAMENV 71 # define CONFIG_ENV_SIZE 0x1000 72 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 73 74 # else /* FLASH && !RAMENV */ 75 /* 128K(one sector) for env */ 76 # define CONFIG_ENV_SECT_SIZE 0x20000 77 # define CONFIG_ENV_ADDR \ 78 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) 79 # define CONFIG_ENV_SIZE 0x20000 80 # endif /* FLASH && !RAMBOOT */ 81 #else /* !FLASH */ 82 83 #ifdef SPIFLASH 84 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 85 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ 86 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS 87 88 # ifdef RAMENV 89 # define CONFIG_ENV_SIZE 0x1000 90 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 91 92 # else /* SPIFLASH && !RAMENV */ 93 # define CONFIG_ENV_SPI_MODE SPI_MODE_3 94 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 95 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS 96 /* 128K(two sectors) for env */ 97 # define CONFIG_ENV_SECT_SIZE 0x10000 98 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE) 99 /* Warning: adjust the offset in respect of other flash content and size */ 100 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */ 101 # endif /* SPIFLASH && !RAMBOOT */ 102 #else /* !SPIFLASH */ 103 104 /* ENV in RAM */ 105 # define CONFIG_ENV_SIZE 0x1000 106 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 107 #endif /* !SPIFLASH */ 108 #endif /* !FLASH */ 109 110 #if defined(XILINX_USE_ICACHE) 111 # define CONFIG_ICACHE 112 #else 113 # undef CONFIG_ICACHE 114 #endif 115 116 #if defined(XILINX_USE_DCACHE) 117 # define CONFIG_DCACHE 118 #else 119 # undef CONFIG_DCACHE 120 #endif 121 122 #ifndef XILINX_DCACHE_BYTE_SIZE 123 #define XILINX_DCACHE_BYTE_SIZE 32768 124 #endif 125 126 /* 127 * BOOTP options 128 */ 129 #define CONFIG_BOOTP_BOOTFILESIZE 130 131 #if defined(CONFIG_MTD_PARTITIONS) 132 /* MTD partitions */ 133 134 /* default mtd partition table */ 135 #endif 136 137 /* size of console buffer */ 138 #define CONFIG_SYS_CBSIZE 512 139 /* max number of command args */ 140 #define CONFIG_SYS_MAXARGS 15 141 /* default load address */ 142 #define CONFIG_SYS_LOAD_ADDR 0 143 144 #define CONFIG_HOSTNAME "microblaze-generic" 145 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm" 146 147 /* architecture dependent code */ 148 #define CONFIG_SYS_USR_EXCEP /* user exception */ 149 150 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo" 151 152 #ifndef CONFIG_EXTRA_ENV_SETTINGS 153 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ 154 "nor0=flash-0\0"\ 155 "mtdparts=mtdparts=flash-0:"\ 156 "256k(u-boot),256k(env),3m(kernel),"\ 157 "1m(romfs),1m(cramfs),-(jffs2)\0"\ 158 "nc=setenv stdout nc;"\ 159 "setenv stdin nc\0" \ 160 "serial=setenv stdout serial;"\ 161 "setenv stdin serial\0" 162 #endif 163 164 /* Enable flat device tree support */ 165 #define CONFIG_LMB 1 166 167 #if defined(CONFIG_XILINX_AXIEMAC) 168 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1 169 #endif 170 171 /* SPL part */ 172 173 #ifdef CONFIG_SYS_FLASH_BASE 174 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE 175 #endif 176 177 /* for booting directly linux */ 178 179 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ 180 0x40000) 181 #define CONFIG_SYS_FDT_SIZE (16 << 10) 182 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ 183 0x1000000) 184 185 /* SP location before relocation, must use scratch RAM */ 186 /* BRAM start */ 187 #define CONFIG_SYS_INIT_RAM_ADDR 0x0 188 /* BRAM size - will be generated */ 189 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000 190 191 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 192 CONFIG_SYS_INIT_RAM_SIZE - \ 193 CONFIG_SYS_MALLOC_F_LEN) 194 195 /* Just for sure that there is a space for stack */ 196 #define CONFIG_SPL_STACK_SIZE 0x100 197 198 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 199 200 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ 201 CONFIG_SYS_INIT_RAM_ADDR - \ 202 CONFIG_SYS_MALLOC_F_LEN - \ 203 CONFIG_SPL_STACK_SIZE) 204 205 #endif /* __CONFIG_H */ 206