1 /* 2 * ti_armv7_common.h 3 * 4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 * 8 * The various ARMv7 SoCs from TI all share a number of IP blocks when 9 * implementing a given feature. Rather than define these in every 10 * board or even SoC common file, we define a common file to be re-used 11 * in all cases. While technically true that some of these details are 12 * configurable at the board design, they are common throughout SoC 13 * reference platforms as well as custom designs and become de facto 14 * standards. 15 */ 16 17 #ifndef __CONFIG_TI_ARMV7_COMMON_H__ 18 #define __CONFIG_TI_ARMV7_COMMON_H__ 19 20 /* Common define for many platforms. */ 21 #define CONFIG_OMAP 22 #define CONFIG_OMAP_COMMON 23 24 /* 25 * We typically do not contain NOR flash. In the cases where we do, we 26 * undefine this later. 27 */ 28 #define CONFIG_SYS_NO_FLASH 29 30 /* Support both device trees and ATAGs. */ 31 #define CONFIG_OF_LIBFDT 32 #define CONFIG_CMDLINE_TAG 33 #define CONFIG_SETUP_MEMORY_TAGS 34 #define CONFIG_INITRD_TAG 35 36 /* 37 * Our DDR memory always starts at 0x80000000 and U-Boot shall have 38 * relocated itself to higher in memory by the time this value is used. 39 */ 40 #define CONFIG_SYS_LOAD_ADDR 0x80000000 41 42 /* 43 * Default to a quick boot delay. 44 */ 45 #define CONFIG_BOOTDELAY 1 46 47 /* 48 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined, 49 * we say (for simplicity) that we have 1 bank, always, even when 50 * we have more. We always start at 0x80000000, and we place the 51 * initial stack pointer in our SRAM. Otherwise, we can define 52 * CONFIG_NR_DRAM_BANKS before including this file. 53 */ 54 #ifndef CONFIG_NR_DRAM_BANKS 55 #define CONFIG_NR_DRAM_BANKS 1 56 #endif 57 #define CONFIG_SYS_SDRAM_BASE 0x80000000 58 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 59 GENERATED_GBL_DATA_SIZE) 60 61 /* Timer information. */ 62 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 63 64 /* I2C IP block */ 65 #define CONFIG_I2C 66 #define CONFIG_CMD_I2C 67 #define CONFIG_SYS_I2C 68 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 69 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 70 #define CONFIG_SYS_I2C_OMAP24XX 71 72 /* MMC/SD IP block */ 73 #define CONFIG_MMC 74 #define CONFIG_GENERIC_MMC 75 #define CONFIG_OMAP_HSMMC 76 #define CONFIG_CMD_MMC 77 78 /* McSPI IP block */ 79 #define CONFIG_SPI 80 #define CONFIG_OMAP3_SPI 81 #define CONFIG_CMD_SPI 82 83 /* GPIO block */ 84 #define CONFIG_OMAP_GPIO 85 #define CONFIG_CMD_GPIO 86 87 /* 88 * GPMC NAND block. We support 1 device and the physical address to 89 * access CS0 at is 0x8000000. 90 */ 91 #ifdef CONFIG_NAND 92 #define CONFIG_NAND_OMAP_GPMC 93 #define CONFIG_SYS_NAND_BASE 0x8000000 94 #define CONFIG_SYS_MAX_NAND_DEVICE 1 95 #define CONFIG_CMD_NAND 96 #endif 97 98 /* 99 * The following are general good-enough settings for U-Boot. We set a 100 * large malloc pool as we generally have a lot of DDR, and we opt for 101 * function over binary size in the main portion of U-Boot as this is 102 * generally easily constrained later if needed. We enable the config 103 * options that give us information in the environment about what board 104 * we are on so we do not need to rely on the command prompt. We set a 105 * console baudrate of 115200 and use the default baud rate table. 106 */ 107 #define CONFIG_SYS_MALLOC_LEN (1024 << 10) 108 #define CONFIG_SYS_HUSH_PARSER 109 #define CONFIG_SYS_PROMPT "U-Boot# " 110 #define CONFIG_SYS_CONSOLE_INFO_QUIET 111 #define CONFIG_BAUDRATE 115200 112 #define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */ 113 #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ 114 115 /* As stated above, the following choices are optional. */ 116 #define CONFIG_SYS_LONGHELP 117 #define CONFIG_AUTO_COMPLETE 118 #define CONFIG_CMDLINE_EDITING 119 #define CONFIG_VERSION_VARIABLE 120 121 /* We set the max number of command args high to avoid HUSH bugs. */ 122 #define CONFIG_SYS_MAXARGS 64 123 124 /* Console I/O Buffer Size */ 125 #define CONFIG_SYS_CBSIZE 512 126 /* Print Buffer Size */ 127 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 128 + sizeof(CONFIG_SYS_PROMPT) + 16) 129 /* Boot Argument Buffer Size */ 130 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 131 132 /* 133 * When we have SPI, NOR or NAND flash we expect to be making use of 134 * mtdparts, both for ease of use in U-Boot and for passing information 135 * on to the Linux kernel. 136 */ 137 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) 138 #define CONFIG_MTD_DEVICE /* Required for mtdparts */ 139 #define CONFIG_CMD_MTDPARTS 140 #endif 141 142 /* 143 * For commands to use, we take the default list and add a few other 144 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH 145 * prior to this include, in order to skip a few commands. When we do 146 * have flash, if we expect these commands they must be enabled in that 147 * config. If desired, a specific list of desired commands can be used 148 * instead. 149 */ 150 #include <config_cmd_default.h> 151 #define CONFIG_CMD_ASKENV 152 #define CONFIG_CMD_ECHO 153 #define CONFIG_CMD_BOOTZ 154 155 /* 156 * Common filesystems support. When we have removable storage we 157 * enabled a number of useful commands and support. 158 */ 159 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE) 160 #define CONFIG_DOS_PARTITION 161 #define CONFIG_CMD_FAT 162 #define CONFIG_FAT_WRITE 163 #define CONFIG_CMD_EXT2 164 #define CONFIG_CMD_EXT4 165 #define CONFIG_CMD_FS_GENERIC 166 #endif 167 168 /* 169 * Our platforms make use of SPL to initalize the hardware (primarily 170 * memory) enough for full U-Boot to be loaded. We also support Falcon 171 * Mode so that the Linux kernel can be booted directly from SPL 172 * instead, if desired. We make use of the general SPL framework found 173 * under common/spl/. Given our generally common memory map, we set a 174 * number of related defaults and sizes here. 175 */ 176 #ifndef CONFIG_NOR_BOOT 177 #define CONFIG_SPL 178 #define CONFIG_SPL_FRAMEWORK 179 #define CONFIG_SPL_OS_BOOT 180 181 /* 182 * Place the image at the start of the ROM defined image space. 183 * We limit our size to the ROM-defined downloaded image area, and use the 184 * rest of the space for stack. We load U-Boot itself into memory at 185 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We 186 * have our BSS be placed 1MiB after this, to allow for the default 187 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case. 188 * We have the SPL malloc pool at the end of the BSS area. 189 */ 190 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 191 #define CONFIG_SYS_TEXT_BASE 0x80800000 192 #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 193 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 194 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 195 CONFIG_SPL_BSS_MAX_SIZE) 196 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 197 198 /* RAW SD card / eMMC locations. */ 199 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 200 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 201 202 /* FAT sd card locations. */ 203 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 204 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 205 206 #ifdef CONFIG_SPL_OS_BOOT 207 #define CONFIG_SYS_SPL_ARGS_ADDR 0x80F80000 208 209 /* FAT */ 210 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage" 211 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args" 212 213 /* RAW SD card / eMMC */ 214 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 215 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 216 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 217 218 /* NAND */ 219 #ifdef CONFIG_NAND 220 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */ 221 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 222 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 223 #endif 224 225 /* spl export command */ 226 #define CONFIG_CMD_SPL 227 #endif 228 229 #ifdef CONFIG_MMC 230 #define CONFIG_SPL_LIBDISK_SUPPORT 231 #define CONFIG_SPL_MMC_SUPPORT 232 #define CONFIG_SPL_FAT_SUPPORT 233 #endif 234 235 /* General parts of the framework, required. */ 236 #define CONFIG_SPL_I2C_SUPPORT 237 #define CONFIG_SPL_LIBCOMMON_SUPPORT 238 #define CONFIG_SPL_LIBGENERIC_SUPPORT 239 #define CONFIG_SPL_SERIAL_SUPPORT 240 #define CONFIG_SPL_GPIO_SUPPORT 241 #define CONFIG_SPL_BOARD_INIT 242 243 #ifdef CONFIG_NAND 244 #define CONFIG_SPL_NAND_SUPPORT 245 #define CONFIG_SPL_NAND_BASE 246 #define CONFIG_SPL_NAND_DRIVERS 247 #define CONFIG_SPL_NAND_ECC 248 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 249 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 250 #endif 251 #endif /* !CONFIG_NOR_BOOT */ 252 253 #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ 254