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 * However, set this to a 32MB offset to allow for easier Linux kernel 40 * booting as the default is often used as the kernel load address. 41 */ 42 #define CONFIG_SYS_LOAD_ADDR 0x82000000 43 44 /* 45 * We setup defaults based on constraints from the Linux kernel, which should 46 * also be safe elsewhere. We have the default load at 32MB into DDR (for 47 * the kernel), FDT above 128MB (the maximum location for the end of the 48 * kernel), and the ramdisk 512KB above that (allowing for hopefully never 49 * seen large trees). We say all of this must be within the first 256MB 50 * as that will normally be within the kernel lowmem and thus visible via 51 * bootm_size and we only run on platforms with 256MB or more of memory. 52 */ 53 #define DEFAULT_LINUX_BOOT_ENV \ 54 "loadaddr=0x82000000\0" \ 55 "kernel_addr_r=0x82000000\0" \ 56 "fdtaddr=0x88000000\0" \ 57 "fdt_addr_r=0x88000000\0" \ 58 "rdaddr=0x88080000\0" \ 59 "ramdisk_addr_r=0x88080000\0" \ 60 "bootm_size=0x10000000\0" 61 62 /* 63 * Default to a quick boot delay. 64 */ 65 #define CONFIG_BOOTDELAY 1 66 67 /* 68 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined, 69 * we say (for simplicity) that we have 1 bank, always, even when 70 * we have more. We always start at 0x80000000, and we place the 71 * initial stack pointer in our SRAM. Otherwise, we can define 72 * CONFIG_NR_DRAM_BANKS before including this file. 73 */ 74 #ifndef CONFIG_NR_DRAM_BANKS 75 #define CONFIG_NR_DRAM_BANKS 1 76 #endif 77 #define CONFIG_SYS_SDRAM_BASE 0x80000000 78 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 79 GENERATED_GBL_DATA_SIZE) 80 81 /* Timer information. */ 82 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 83 84 /* I2C IP block */ 85 #define CONFIG_I2C 86 #define CONFIG_CMD_I2C 87 #define CONFIG_SYS_I2C 88 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 89 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 90 #define CONFIG_SYS_I2C_OMAP24XX 91 92 /* MMC/SD IP block */ 93 #define CONFIG_MMC 94 #define CONFIG_GENERIC_MMC 95 #define CONFIG_OMAP_HSMMC 96 #define CONFIG_CMD_MMC 97 98 /* McSPI IP block */ 99 #define CONFIG_SPI 100 #define CONFIG_OMAP3_SPI 101 #define CONFIG_CMD_SPI 102 103 /* GPIO block */ 104 #define CONFIG_OMAP_GPIO 105 #define CONFIG_CMD_GPIO 106 107 /* 108 * GPMC NAND block. We support 1 device and the physical address to 109 * access CS0 at is 0x8000000. 110 */ 111 #ifdef CONFIG_NAND 112 #define CONFIG_NAND_OMAP_GPMC 113 #define CONFIG_SYS_NAND_BASE 0x8000000 114 #define CONFIG_SYS_MAX_NAND_DEVICE 1 115 #define CONFIG_CMD_NAND 116 #endif 117 118 /* 119 * The following are general good-enough settings for U-Boot. We set a 120 * large malloc pool as we generally have a lot of DDR, and we opt for 121 * function over binary size in the main portion of U-Boot as this is 122 * generally easily constrained later if needed. We enable the config 123 * options that give us information in the environment about what board 124 * we are on so we do not need to rely on the command prompt. We set a 125 * console baudrate of 115200 and use the default baud rate table. 126 */ 127 #define CONFIG_SYS_MALLOC_LEN (1024 << 10) 128 #define CONFIG_SYS_HUSH_PARSER 129 #define CONFIG_SYS_PROMPT "U-Boot# " 130 #define CONFIG_SYS_CONSOLE_INFO_QUIET 131 #define CONFIG_BAUDRATE 115200 132 #define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */ 133 #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ 134 135 /* As stated above, the following choices are optional. */ 136 #define CONFIG_SYS_LONGHELP 137 #define CONFIG_AUTO_COMPLETE 138 #define CONFIG_CMDLINE_EDITING 139 #define CONFIG_VERSION_VARIABLE 140 141 /* We set the max number of command args high to avoid HUSH bugs. */ 142 #define CONFIG_SYS_MAXARGS 64 143 144 /* Console I/O Buffer Size */ 145 #define CONFIG_SYS_CBSIZE 512 146 /* Print Buffer Size */ 147 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 148 + sizeof(CONFIG_SYS_PROMPT) + 16) 149 /* Boot Argument Buffer Size */ 150 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 151 152 /* 153 * When we have SPI, NOR or NAND flash we expect to be making use of 154 * mtdparts, both for ease of use in U-Boot and for passing information 155 * on to the Linux kernel. 156 */ 157 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) 158 #define CONFIG_MTD_DEVICE /* Required for mtdparts */ 159 #define CONFIG_CMD_MTDPARTS 160 #endif 161 162 /* 163 * For commands to use, we take the default list and add a few other 164 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH 165 * prior to this include, in order to skip a few commands. When we do 166 * have flash, if we expect these commands they must be enabled in that 167 * config. If desired, a specific list of desired commands can be used 168 * instead. 169 */ 170 #include <config_cmd_default.h> 171 #define CONFIG_CMD_ASKENV 172 #define CONFIG_CMD_ECHO 173 #define CONFIG_CMD_BOOTZ 174 175 /* 176 * Common filesystems support. When we have removable storage we 177 * enabled a number of useful commands and support. 178 */ 179 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE) 180 #define CONFIG_DOS_PARTITION 181 #define CONFIG_CMD_FAT 182 #define CONFIG_FAT_WRITE 183 #define CONFIG_CMD_EXT2 184 #define CONFIG_CMD_EXT4 185 #define CONFIG_CMD_FS_GENERIC 186 #endif 187 188 /* 189 * Our platforms make use of SPL to initalize the hardware (primarily 190 * memory) enough for full U-Boot to be loaded. We also support Falcon 191 * Mode so that the Linux kernel can be booted directly from SPL 192 * instead, if desired. We make use of the general SPL framework found 193 * under common/spl/. Given our generally common memory map, we set a 194 * number of related defaults and sizes here. 195 */ 196 #ifndef CONFIG_NOR_BOOT 197 #define CONFIG_SPL 198 #define CONFIG_SPL_FRAMEWORK 199 #define CONFIG_SPL_OS_BOOT 200 201 /* 202 * Place the image at the start of the ROM defined image space. 203 * We limit our size to the ROM-defined downloaded image area, and use the 204 * rest of the space for stack. We load U-Boot itself into memory at 205 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We 206 * have our BSS be placed 1MiB after this, to allow for the default 207 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case. 208 * We have the SPL malloc pool at the end of the BSS area. 209 */ 210 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR 211 #define CONFIG_SYS_TEXT_BASE 0x80800000 212 #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 213 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 214 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 215 CONFIG_SPL_BSS_MAX_SIZE) 216 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 217 218 /* RAW SD card / eMMC locations. */ 219 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 220 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 221 222 /* FAT sd card locations. */ 223 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 224 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" 225 226 #ifdef CONFIG_SPL_OS_BOOT 227 #define CONFIG_SYS_SPL_ARGS_ADDR 0x80F80000 228 229 /* FAT */ 230 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage" 231 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args" 232 233 /* RAW SD card / eMMC */ 234 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 235 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 236 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 237 238 /* NAND */ 239 #ifdef CONFIG_NAND 240 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */ 241 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 242 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 243 #endif 244 245 /* spl export command */ 246 #define CONFIG_CMD_SPL 247 #endif 248 249 #ifdef CONFIG_MMC 250 #define CONFIG_SPL_LIBDISK_SUPPORT 251 #define CONFIG_SPL_MMC_SUPPORT 252 #define CONFIG_SPL_FAT_SUPPORT 253 #endif 254 255 /* General parts of the framework, required. */ 256 #define CONFIG_SPL_I2C_SUPPORT 257 #define CONFIG_SPL_LIBCOMMON_SUPPORT 258 #define CONFIG_SPL_LIBGENERIC_SUPPORT 259 #define CONFIG_SPL_SERIAL_SUPPORT 260 #define CONFIG_SPL_GPIO_SUPPORT 261 #define CONFIG_SPL_BOARD_INIT 262 263 #ifdef CONFIG_NAND 264 #define CONFIG_SPL_NAND_SUPPORT 265 #define CONFIG_SPL_NAND_BASE 266 #define CONFIG_SPL_NAND_DRIVERS 267 #define CONFIG_SPL_NAND_ECC 268 #define CONFIG_SPL_MTD_SUPPORT 269 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 270 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 271 #endif 272 #endif /* !CONFIG_NOR_BOOT */ 273 274 #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ 275