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 #define CONFIG_SYS_BOOTM_LEN (64 * 1024 * 1024) 17 18 /* linear and spi flash memory */ 19 #ifdef XILINX_FLASH_START 20 #define FLASH 21 #undef SPIFLASH 22 #undef RAMENV /* hold environment in flash */ 23 #else 24 #undef FLASH 25 #undef SPIFLASH 26 #define RAMENV /* hold environment in RAM */ 27 #endif 28 29 /* uart */ 30 /* The following table includes the supported baudrates */ 31 # define CONFIG_SYS_BAUDRATE_TABLE \ 32 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} 33 34 /* setting reset address */ 35 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/ 36 37 #define CONFIG_SYS_MALLOC_LEN 0xC0000 38 39 /* Stack location before relocation */ 40 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \ 41 CONFIG_SYS_MALLOC_F_LEN) 42 43 /* 44 * CFI flash memory layout - Example 45 * CONFIG_SYS_FLASH_BASE = 0x2200_0000; 46 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB 47 * 48 * SECT_SIZE = 0x20000; 128kB is one sector 49 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store 50 * 51 * 0x2200_0000 CONFIG_SYS_FLASH_BASE 52 * FREE 256kB 53 * 0x2204_0000 CONFIG_ENV_ADDR 54 * ENV_AREA 128kB 55 * 0x2206_0000 56 * FREE 57 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE 58 * 59 */ 60 61 #ifdef FLASH 62 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START 63 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE 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 /* use buffered writes (20x faster) */ 72 # ifdef RAMENV 73 # else /* FLASH && !RAMENV */ 74 /* 128K(one sector) for env */ 75 # endif /* FLASH && !RAMBOOT */ 76 #else /* !FLASH */ 77 78 #ifdef SPIFLASH 79 # ifdef RAMENV 80 # else /* SPIFLASH && !RAMENV */ 81 /* 128K(two sectors) for env */ 82 /* Warning: adjust the offset in respect of other flash content and size */ 83 # endif /* SPIFLASH && !RAMBOOT */ 84 #else /* !SPIFLASH */ 85 86 /* ENV in RAM */ 87 #endif /* !SPIFLASH */ 88 #endif /* !FLASH */ 89 90 #define XILINX_USE_ICACHE 1 91 #define XILINX_USE_DCACHE 1 92 93 #if defined(XILINX_USE_ICACHE) 94 # define CONFIG_ICACHE 95 #else 96 # undef CONFIG_ICACHE 97 #endif 98 99 #if defined(XILINX_USE_DCACHE) 100 # define CONFIG_DCACHE 101 #else 102 # undef CONFIG_DCACHE 103 #endif 104 105 #ifndef XILINX_DCACHE_BYTE_SIZE 106 #define XILINX_DCACHE_BYTE_SIZE 32768 107 #endif 108 109 /* 110 * BOOTP options 111 */ 112 #define CONFIG_BOOTP_BOOTFILESIZE 113 114 #if defined(CONFIG_MTD_PARTITIONS) 115 /* MTD partitions */ 116 117 /* default mtd partition table */ 118 #endif 119 120 /* size of console buffer */ 121 #define CONFIG_SYS_CBSIZE 512 122 /* max number of command args */ 123 #define CONFIG_SYS_MAXARGS 15 124 /* default load address */ 125 #define CONFIG_SYS_LOAD_ADDR 0 126 127 #define CONFIG_HOSTNAME "microblaze-generic" 128 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm" 129 130 /* architecture dependent code */ 131 #define CONFIG_SYS_USR_EXCEP /* user exception */ 132 133 #ifndef CONFIG_EXTRA_ENV_SETTINGS 134 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ 135 "nor0=flash-0\0"\ 136 "mtdparts=mtdparts=flash-0:"\ 137 "256k(u-boot),256k(env),3m(kernel),"\ 138 "1m(romfs),1m(cramfs),-(jffs2)\0"\ 139 "nc=setenv stdout nc;"\ 140 "setenv stdin nc\0" \ 141 "serial=setenv stdout serial;"\ 142 "setenv stdin serial\0" 143 #endif 144 145 #if defined(CONFIG_XILINX_AXIEMAC) 146 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1 147 #endif 148 149 /* SPL part */ 150 151 #ifdef CONFIG_SYS_FLASH_BASE 152 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE 153 #endif 154 155 /* for booting directly linux */ 156 157 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \ 158 0x40000) 159 #define CONFIG_SYS_FDT_SIZE (16 << 10) 160 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \ 161 0x1000000) 162 163 /* SP location before relocation, must use scratch RAM */ 164 /* BRAM start */ 165 #define CONFIG_SYS_INIT_RAM_ADDR 0x0 166 /* BRAM size - will be generated */ 167 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000 168 169 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 170 CONFIG_SYS_INIT_RAM_SIZE - \ 171 CONFIG_SYS_MALLOC_F_LEN) 172 173 /* Just for sure that there is a space for stack */ 174 #define CONFIG_SPL_STACK_SIZE 0x100 175 176 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 177 178 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \ 179 CONFIG_SYS_INIT_RAM_ADDR - \ 180 CONFIG_SYS_MALLOC_F_LEN - \ 181 CONFIG_SPL_STACK_SIZE) 182 183 #endif /* __CONFIG_H */ 184