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 #ifdef XILINX_SPI_FLASH_BASEADDR 23 #undef FLASH 24 #define SPIFLASH 25 #undef RAMENV /* hold environment in flash */ 26 #else 27 #undef FLASH 28 #undef SPIFLASH 29 #define RAMENV /* hold environment in RAM */ 30 #endif 31 #endif 32 33 /* uart */ 34 /* The following table includes the supported baudrates */ 35 # define CONFIG_SYS_BAUDRATE_TABLE \ 36 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} 37 38 /* setting reset address */ 39 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/ 40 41 #define CONFIG_SYS_MALLOC_LEN 0xC0000 42 43 /* Stack location before relocation */ 44 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \ 45 CONFIG_SYS_MALLOC_F_LEN) 46 47 /* 48 * CFI flash memory layout - Example 49 * CONFIG_SYS_FLASH_BASE = 0x2200_0000; 50 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB 51 * 52 * SECT_SIZE = 0x20000; 128kB is one sector 53 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store 54 * 55 * 0x2200_0000 CONFIG_SYS_FLASH_BASE 56 * FREE 256kB 57 * 0x2204_0000 CONFIG_ENV_ADDR 58 * ENV_AREA 128kB 59 * 0x2206_0000 60 * FREE 61 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE 62 * 63 */ 64 65 #ifdef FLASH 66 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START 67 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE 68 # define CONFIG_SYS_FLASH_CFI 1 69 # define CONFIG_FLASH_CFI_DRIVER 1 70 /* ?empty sector */ 71 # define CONFIG_SYS_FLASH_EMPTY_INFO 1 72 /* max number of memory banks */ 73 # define CONFIG_SYS_MAX_FLASH_BANKS 1 74 /* max number of sectors on one chip */ 75 # define CONFIG_SYS_MAX_FLASH_SECT 512 76 /* hardware flash protection */ 77 # define CONFIG_SYS_FLASH_PROTECTION 78 /* use buffered writes (20x faster) */ 79 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 80 # ifdef RAMENV 81 # define CONFIG_ENV_SIZE 0x1000 82 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 83 84 # else /* FLASH && !RAMENV */ 85 /* 128K(one sector) for env */ 86 # define CONFIG_ENV_SECT_SIZE 0x20000 87 # define CONFIG_ENV_ADDR \ 88 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) 89 # define CONFIG_ENV_SIZE 0x20000 90 # endif /* FLASH && !RAMBOOT */ 91 #else /* !FLASH */ 92 93 #ifdef SPIFLASH 94 # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR 95 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 96 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ 97 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS 98 99 # ifdef RAMENV 100 # define CONFIG_ENV_SIZE 0x1000 101 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 102 103 # else /* SPIFLASH && !RAMENV */ 104 # define CONFIG_ENV_SPI_MODE SPI_MODE_3 105 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 106 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS 107 /* 128K(two sectors) for env */ 108 # define CONFIG_ENV_SECT_SIZE 0x10000 109 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE) 110 /* Warning: adjust the offset in respect of other flash content and size */ 111 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */ 112 # endif /* SPIFLASH && !RAMBOOT */ 113 #else /* !SPIFLASH */ 114 115 /* ENV in RAM */ 116 # define CONFIG_ENV_SIZE 0x1000 117 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 118 #endif /* !SPIFLASH */ 119 #endif /* !FLASH */ 120 121 #if defined(XILINX_USE_ICACHE) 122 # define CONFIG_ICACHE 123 #else 124 # undef CONFIG_ICACHE 125 #endif 126 127 #if defined(XILINX_USE_DCACHE) 128 # define CONFIG_DCACHE 129 #else 130 # undef CONFIG_DCACHE 131 #endif 132 133 #ifndef XILINX_DCACHE_BYTE_SIZE 134 #define XILINX_DCACHE_BYTE_SIZE 32768 135 #endif 136 137 /* 138 * BOOTP options 139 */ 140 #define CONFIG_BOOTP_BOOTFILESIZE 141 142 #if defined(CONFIG_CMD_JFFS2) 143 # define CONFIG_MTD_PARTITIONS 144 #endif 145 146 #if defined(CONFIG_CMD_UBI) 147 # define CONFIG_MTD_PARTITIONS 148 #endif 149 150 #if defined(CONFIG_MTD_PARTITIONS) 151 /* MTD partitions */ 152 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 153 #define CONFIG_FLASH_CFI_MTD 154 155 /* default mtd partition table */ 156 #endif 157 158 /* size of console buffer */ 159 #define CONFIG_SYS_CBSIZE 512 160 /* max number of command args */ 161 #define CONFIG_SYS_MAXARGS 15 162 /* default load address */ 163 #define CONFIG_SYS_LOAD_ADDR 0 164 165 #define CONFIG_HOSTNAME "microblaze-generic" 166 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm" 167 168 /* architecture dependent code */ 169 #define CONFIG_SYS_USR_EXCEP /* user exception */ 170 171 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo" 172 173 #ifndef CONFIG_EXTRA_ENV_SETTINGS 174 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ 175 "nor0=flash-0\0"\ 176 "mtdparts=mtdparts=flash-0:"\ 177 "256k(u-boot),256k(env),3m(kernel),"\ 178 "1m(romfs),1m(cramfs),-(jffs2)\0"\ 179 "nc=setenv stdout nc;"\ 180 "setenv stdin nc\0" \ 181 "serial=setenv stdout serial;"\ 182 "setenv stdin serial\0" 183 #endif 184 185 /* Enable flat device tree support */ 186 #define CONFIG_LMB 1 187 188 #if defined(CONFIG_XILINX_AXIEMAC) 189 # define CONFIG_MII 1 190 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1 191 #else 192 # undef CONFIG_MII 193 #endif 194 195 /* SPL part */ 196 197 #ifdef CONFIG_SYS_FLASH_BASE 198 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE 199 #endif 200 201 /* for booting directly linux */ 202 203 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ 204 0x40000) 205 #define CONFIG_SYS_FDT_SIZE (16 << 10) 206 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ 207 0x1000000) 208 209 /* SP location before relocation, must use scratch RAM */ 210 /* BRAM start */ 211 #define CONFIG_SYS_INIT_RAM_ADDR 0x0 212 /* BRAM size - will be generated */ 213 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000 214 215 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 216 CONFIG_SYS_INIT_RAM_SIZE - \ 217 CONFIG_SYS_MALLOC_F_LEN) 218 219 /* Just for sure that there is a space for stack */ 220 #define CONFIG_SPL_STACK_SIZE 0x100 221 222 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 223 224 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ 225 CONFIG_SYS_INIT_RAM_ADDR - \ 226 CONFIG_SYS_MALLOC_F_LEN - \ 227 CONFIG_SPL_STACK_SIZE) 228 229 #endif /* __CONFIG_H */ 230