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 # define CONFIG_SYS_FLASH_CFI 1 63 # define CONFIG_FLASH_CFI_DRIVER 1 64 /* ?empty sector */ 65 # define CONFIG_SYS_FLASH_EMPTY_INFO 1 66 /* max number of memory banks */ 67 # define CONFIG_SYS_MAX_FLASH_BANKS 1 68 /* max number of sectors on one chip */ 69 # define CONFIG_SYS_MAX_FLASH_SECT 512 70 /* hardware flash protection */ 71 # define CONFIG_SYS_FLASH_PROTECTION 72 /* use buffered writes (20x faster) */ 73 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 74 # ifdef RAMENV 75 # define CONFIG_ENV_SIZE 0x1000 76 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 77 78 # else /* FLASH && !RAMENV */ 79 /* 128K(one sector) for env */ 80 # define CONFIG_ENV_SECT_SIZE 0x20000 81 # define CONFIG_ENV_ADDR \ 82 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) 83 # define CONFIG_ENV_SIZE 0x20000 84 # endif /* FLASH && !RAMBOOT */ 85 #else /* !FLASH */ 86 87 #ifdef SPIFLASH 88 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 89 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ 90 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS 91 92 # ifdef RAMENV 93 # define CONFIG_ENV_SIZE 0x1000 94 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 95 96 # else /* SPIFLASH && !RAMENV */ 97 # define CONFIG_ENV_SPI_MODE SPI_MODE_3 98 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 99 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS 100 /* 128K(two sectors) for env */ 101 # define CONFIG_ENV_SECT_SIZE 0x10000 102 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE) 103 /* Warning: adjust the offset in respect of other flash content and size */ 104 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */ 105 # endif /* SPIFLASH && !RAMBOOT */ 106 #else /* !SPIFLASH */ 107 108 /* ENV in RAM */ 109 # define CONFIG_ENV_SIZE 0x1000 110 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 111 #endif /* !SPIFLASH */ 112 #endif /* !FLASH */ 113 114 #if defined(XILINX_USE_ICACHE) 115 # define CONFIG_ICACHE 116 #else 117 # undef CONFIG_ICACHE 118 #endif 119 120 #if defined(XILINX_USE_DCACHE) 121 # define CONFIG_DCACHE 122 #else 123 # undef CONFIG_DCACHE 124 #endif 125 126 #ifndef XILINX_DCACHE_BYTE_SIZE 127 #define XILINX_DCACHE_BYTE_SIZE 32768 128 #endif 129 130 /* 131 * BOOTP options 132 */ 133 #define CONFIG_BOOTP_BOOTFILESIZE 134 135 #if defined(CONFIG_CMD_JFFS2) 136 # define CONFIG_MTD_PARTITIONS 137 #endif 138 139 #if defined(CONFIG_CMD_UBI) 140 # define CONFIG_MTD_PARTITIONS 141 #endif 142 143 #if defined(CONFIG_MTD_PARTITIONS) 144 /* MTD partitions */ 145 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 146 #define CONFIG_FLASH_CFI_MTD 147 148 /* default mtd partition table */ 149 #endif 150 151 /* size of console buffer */ 152 #define CONFIG_SYS_CBSIZE 512 153 /* max number of command args */ 154 #define CONFIG_SYS_MAXARGS 15 155 /* default load address */ 156 #define CONFIG_SYS_LOAD_ADDR 0 157 158 #define CONFIG_HOSTNAME "microblaze-generic" 159 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm" 160 161 /* architecture dependent code */ 162 #define CONFIG_SYS_USR_EXCEP /* user exception */ 163 164 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo" 165 166 #ifndef CONFIG_EXTRA_ENV_SETTINGS 167 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ 168 "nor0=flash-0\0"\ 169 "mtdparts=mtdparts=flash-0:"\ 170 "256k(u-boot),256k(env),3m(kernel),"\ 171 "1m(romfs),1m(cramfs),-(jffs2)\0"\ 172 "nc=setenv stdout nc;"\ 173 "setenv stdin nc\0" \ 174 "serial=setenv stdout serial;"\ 175 "setenv stdin serial\0" 176 #endif 177 178 /* Enable flat device tree support */ 179 #define CONFIG_LMB 1 180 181 #if defined(CONFIG_XILINX_AXIEMAC) 182 # define CONFIG_MII 1 183 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1 184 #else 185 # undef CONFIG_MII 186 #endif 187 188 /* SPL part */ 189 190 #ifdef CONFIG_SYS_FLASH_BASE 191 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE 192 #endif 193 194 /* for booting directly linux */ 195 196 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ 197 0x40000) 198 #define CONFIG_SYS_FDT_SIZE (16 << 10) 199 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ 200 0x1000000) 201 202 /* SP location before relocation, must use scratch RAM */ 203 /* BRAM start */ 204 #define CONFIG_SYS_INIT_RAM_ADDR 0x0 205 /* BRAM size - will be generated */ 206 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000 207 208 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 209 CONFIG_SYS_INIT_RAM_SIZE - \ 210 CONFIG_SYS_MALLOC_F_LEN) 211 212 /* Just for sure that there is a space for stack */ 213 #define CONFIG_SPL_STACK_SIZE 0x100 214 215 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 216 217 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ 218 CONFIG_SYS_INIT_RAM_ADDR - \ 219 CONFIG_SYS_MALLOC_F_LEN - \ 220 CONFIG_SPL_STACK_SIZE) 221 222 #endif /* __CONFIG_H */ 223