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 /* gpio */ 42 #ifdef XILINX_GPIO_BASEADDR 43 # define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR 44 #endif 45 46 #define CONFIG_SYS_MALLOC_LEN 0xC0000 47 48 /* Stack location before relocation */ 49 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \ 50 CONFIG_SYS_MALLOC_F_LEN) 51 52 /* 53 * CFI flash memory layout - Example 54 * CONFIG_SYS_FLASH_BASE = 0x2200_0000; 55 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB 56 * 57 * SECT_SIZE = 0x20000; 128kB is one sector 58 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store 59 * 60 * 0x2200_0000 CONFIG_SYS_FLASH_BASE 61 * FREE 256kB 62 * 0x2204_0000 CONFIG_ENV_ADDR 63 * ENV_AREA 128kB 64 * 0x2206_0000 65 * FREE 66 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE 67 * 68 */ 69 70 #ifdef FLASH 71 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START 72 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE 73 # define CONFIG_SYS_FLASH_CFI 1 74 # define CONFIG_FLASH_CFI_DRIVER 1 75 /* ?empty sector */ 76 # define CONFIG_SYS_FLASH_EMPTY_INFO 1 77 /* max number of memory banks */ 78 # define CONFIG_SYS_MAX_FLASH_BANKS 1 79 /* max number of sectors on one chip */ 80 # define CONFIG_SYS_MAX_FLASH_SECT 512 81 /* hardware flash protection */ 82 # define CONFIG_SYS_FLASH_PROTECTION 83 /* use buffered writes (20x faster) */ 84 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 85 # ifdef RAMENV 86 # define CONFIG_ENV_SIZE 0x1000 87 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 88 89 # else /* FLASH && !RAMENV */ 90 /* 128K(one sector) for env */ 91 # define CONFIG_ENV_SECT_SIZE 0x20000 92 # define CONFIG_ENV_ADDR \ 93 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) 94 # define CONFIG_ENV_SIZE 0x20000 95 # endif /* FLASH && !RAMBOOT */ 96 #else /* !FLASH */ 97 98 #ifdef SPIFLASH 99 # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR 100 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 101 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ 102 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS 103 104 # ifdef RAMENV 105 # define CONFIG_ENV_SIZE 0x1000 106 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 107 108 # else /* SPIFLASH && !RAMENV */ 109 # define CONFIG_ENV_SPI_MODE SPI_MODE_3 110 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED 111 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS 112 /* 128K(two sectors) for env */ 113 # define CONFIG_ENV_SECT_SIZE 0x10000 114 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE) 115 /* Warning: adjust the offset in respect of other flash content and size */ 116 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */ 117 # endif /* SPIFLASH && !RAMBOOT */ 118 #else /* !SPIFLASH */ 119 120 /* ENV in RAM */ 121 # define CONFIG_ENV_SIZE 0x1000 122 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) 123 #endif /* !SPIFLASH */ 124 #endif /* !FLASH */ 125 126 #if defined(XILINX_USE_ICACHE) 127 # define CONFIG_ICACHE 128 #else 129 # undef CONFIG_ICACHE 130 #endif 131 132 #if defined(XILINX_USE_DCACHE) 133 # define CONFIG_DCACHE 134 #else 135 # undef CONFIG_DCACHE 136 #endif 137 138 #ifndef XILINX_DCACHE_BYTE_SIZE 139 #define XILINX_DCACHE_BYTE_SIZE 32768 140 #endif 141 142 /* 143 * BOOTP options 144 */ 145 #define CONFIG_BOOTP_BOOTFILESIZE 146 147 #if defined(CONFIG_CMD_JFFS2) 148 # define CONFIG_MTD_PARTITIONS 149 #endif 150 151 #if defined(CONFIG_CMD_UBI) 152 # define CONFIG_MTD_PARTITIONS 153 #endif 154 155 #if defined(CONFIG_MTD_PARTITIONS) 156 /* MTD partitions */ 157 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 158 #define CONFIG_FLASH_CFI_MTD 159 160 /* default mtd partition table */ 161 #endif 162 163 /* size of console buffer */ 164 #define CONFIG_SYS_CBSIZE 512 165 /* max number of command args */ 166 #define CONFIG_SYS_MAXARGS 15 167 /* default load address */ 168 #define CONFIG_SYS_LOAD_ADDR 0 169 170 #define CONFIG_HOSTNAME "microblaze-generic" 171 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm" 172 173 /* architecture dependent code */ 174 #define CONFIG_SYS_USR_EXCEP /* user exception */ 175 176 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo" 177 178 #ifndef CONFIG_EXTRA_ENV_SETTINGS 179 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ 180 "nor0=flash-0\0"\ 181 "mtdparts=mtdparts=flash-0:"\ 182 "256k(u-boot),256k(env),3m(kernel),"\ 183 "1m(romfs),1m(cramfs),-(jffs2)\0"\ 184 "nc=setenv stdout nc;"\ 185 "setenv stdin nc\0" \ 186 "serial=setenv stdout serial;"\ 187 "setenv stdin serial\0" 188 #endif 189 190 /* Enable flat device tree support */ 191 #define CONFIG_LMB 1 192 193 #if defined(CONFIG_XILINX_AXIEMAC) 194 # define CONFIG_MII 1 195 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1 196 #else 197 # undef CONFIG_MII 198 #endif 199 200 /* SPL part */ 201 202 #ifdef CONFIG_SYS_FLASH_BASE 203 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE 204 #endif 205 206 /* for booting directly linux */ 207 208 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ 209 0x40000) 210 #define CONFIG_SYS_FDT_SIZE (16 << 10) 211 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ 212 0x1000000) 213 214 /* SP location before relocation, must use scratch RAM */ 215 /* BRAM start */ 216 #define CONFIG_SYS_INIT_RAM_ADDR 0x0 217 /* BRAM size - will be generated */ 218 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000 219 220 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 221 CONFIG_SYS_INIT_RAM_SIZE - \ 222 CONFIG_SYS_MALLOC_F_LEN) 223 224 /* Just for sure that there is a space for stack */ 225 #define CONFIG_SPL_STACK_SIZE 0x100 226 227 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 228 229 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ 230 CONFIG_SYS_INIT_RAM_ADDR - \ 231 CONFIG_SYS_MALLOC_F_LEN - \ 232 CONFIG_SPL_STACK_SIZE) 233 234 #endif /* __CONFIG_H */ 235