Tom Rini | 8769455 | 2013-08-09 11:22:17 -0400 | [diff] [blame] | 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. We say (for simplicity) that we have 1 bank, |
| 49 | * always, even when we have more. We always start at 0x80000000, |
| 50 | * and we place the initial stack pointer in our SRAM. |
| 51 | */ |
| 52 | #define CONFIG_NR_DRAM_BANKS 1 |
| 53 | #define CONFIG_SYS_SDRAM_BASE 0x80000000 |
| 54 | #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ |
| 55 | GENERATED_GBL_DATA_SIZE) |
| 56 | |
| 57 | /* Timer information. */ |
| 58 | #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ |
| 59 | #define CONFIG_SYS_HZ 1000 /* 1ms clock */ |
| 60 | |
| 61 | /* I2C IP block */ |
| 62 | #define CONFIG_I2C |
| 63 | #define CONFIG_CMD_I2C |
| 64 | #define CONFIG_HARD_I2C |
| 65 | #define CONFIG_SYS_I2C_SPEED 100000 |
| 66 | #define CONFIG_SYS_I2C_SLAVE 1 |
| 67 | #define CONFIG_I2C_MULTI_BUS |
| 68 | #define CONFIG_DRIVER_OMAP24XX_I2C |
| 69 | |
| 70 | /* MMC/SD IP block */ |
| 71 | #define CONFIG_MMC |
| 72 | #define CONFIG_GENERIC_MMC |
| 73 | #define CONFIG_OMAP_HSMMC |
| 74 | #define CONFIG_CMD_MMC |
| 75 | |
| 76 | /* McSPI IP block */ |
| 77 | #define CONFIG_SPI |
| 78 | #define CONFIG_OMAP3_SPI |
Tom Rini | 0fedc4a | 2013-08-09 11:22:19 -0400 | [diff] [blame] | 79 | #define CONFIG_CMD_SPI |
Tom Rini | 8769455 | 2013-08-09 11:22:17 -0400 | [diff] [blame] | 80 | |
| 81 | /* GPIO block */ |
| 82 | #define CONFIG_OMAP_GPIO |
Tom Rini | a1665ed | 2013-08-09 11:22:20 -0400 | [diff] [blame] | 83 | #define CONFIG_CMD_GPIO |
Tom Rini | 8769455 | 2013-08-09 11:22:17 -0400 | [diff] [blame] | 84 | |
| 85 | /* |
| 86 | * GPMC NAND block. We support 1 device and the physical address to |
| 87 | * access CS0 at is 0x8000000. |
| 88 | */ |
| 89 | #ifdef CONFIG_NAND |
| 90 | #define CONFIG_CMD_NAND |
| 91 | #define CONFIG_NAND_OMAP_GPMC |
| 92 | #define CONFIG_SYS_NAND_BASE 0x8000000 |
| 93 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 |
| 94 | #endif |
| 95 | |
| 96 | /* |
| 97 | * The following are general good-enough settings for U-Boot. We set a |
| 98 | * large malloc pool as we generally have a lot of DDR, and we opt for |
| 99 | * function over binary size in the main portion of U-Boot as this is |
| 100 | * generally easily constrained later if needed. We enable the config |
| 101 | * options that give us information in the environment about what board |
| 102 | * we are on so we do not need to rely on the command prompt. We set a |
| 103 | * console baudrate of 115200 and use the default baud rate table. |
| 104 | */ |
| 105 | #define CONFIG_SYS_MALLOC_LEN (1024 << 10) |
| 106 | #define CONFIG_SYS_LONGHELP |
| 107 | #define CONFIG_SYS_HUSH_PARSER |
| 108 | #define CONFIG_AUTO_COMPLETE |
| 109 | #define CONFIG_CMDLINE_EDITING |
| 110 | #define CONFIG_SYS_PROMPT "U-Boot# " |
| 111 | #define CONFIG_VERSION_VARIABLE |
| 112 | #define CONFIG_ENV_VARS_UBOOT_CONFIG |
| 113 | #define CONFIG_BAUDRATE 115200 |
| 114 | |
| 115 | /* We set the max number of command args high to avoid HUSH bugs. */ |
| 116 | #define CONFIG_SYS_MAXARGS 64 |
| 117 | |
| 118 | /* Console I/O Buffer Size */ |
| 119 | #define CONFIG_SYS_CBSIZE 512 |
| 120 | /* Print Buffer Size */ |
| 121 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ |
| 122 | + sizeof(CONFIG_SYS_PROMPT) + 16) |
| 123 | /* Boot Argument Buffer Size */ |
| 124 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE |
| 125 | |
| 126 | #define CONFIG_ENV_OVERWRITE |
| 127 | #define CONFIG_SYS_CONSOLE_INFO_QUIET |
| 128 | |
| 129 | /* |
| 130 | * When we have SPI, NOR or NAND flash we expect to be making use of |
| 131 | * mtdparts, both for ease of use in U-Boot and for passing information |
| 132 | * on to the Linux kernel. |
| 133 | */ |
| 134 | #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) |
| 135 | #define CONFIG_MTD_DEVICE /* Required for mtdparts */ |
| 136 | #define CONFIG_CMD_MTDPARTS |
| 137 | #endif |
| 138 | |
| 139 | /* |
| 140 | * For commands to use, we take the default list and add a few other |
| 141 | * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH |
| 142 | * prior to this include, in order to skip a few commands. When we do |
| 143 | * have flash, if we expect these commands they must be enabled in that |
| 144 | * config. |
| 145 | */ |
| 146 | #include <config_cmd_default.h> |
| 147 | #define CONFIG_CMD_ASKENV |
| 148 | #define CONFIG_CMD_ECHO |
| 149 | #define CONFIG_CMD_BOOTZ |
| 150 | |
| 151 | /* |
| 152 | * Common filesystems support. When we have removable storage we |
| 153 | * enabled a number of useful commands and support. |
| 154 | */ |
| 155 | #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE) |
| 156 | #define CONFIG_DOS_PARTITION |
| 157 | #define CONFIG_CMD_FAT |
| 158 | #define CONFIG_FAT_WRITE |
| 159 | #define CONFIG_CMD_EXT2 |
| 160 | #define CONFIG_CMD_EXT4 |
| 161 | #define CONFIG_CMD_FS_GENERIC |
| 162 | #endif |
| 163 | |
| 164 | /* |
| 165 | * Our platforms make use of SPL to initalize the hardware (primarily |
| 166 | * memory) enough for full U-Boot to be loaded. We also support Falcon |
| 167 | * Mode so that the Linux kernel can be booted directly from SPL |
| 168 | * instead, if desired. We make use of the general SPL framework found |
| 169 | * under common/spl/. Given our generally common memory map, we set a |
| 170 | * number of related defaults and sizes here. |
| 171 | */ |
| 172 | #ifndef CONFIG_NOR_BOOT |
| 173 | #define CONFIG_SPL |
| 174 | #define CONFIG_SPL_FRAMEWORK |
| 175 | #define CONFIG_SPL_OS_BOOT |
| 176 | |
| 177 | /* |
| 178 | * Place the image at the start of the ROM defined image space. |
| 179 | * We limit our size to the ROM-defined downloaded image area, and use the |
| 180 | * rest of the space for stack. We load U-Boot itself into memory at |
| 181 | * 0x80800000 for legacy reasons (to not conflict with older SPLs). We |
| 182 | * have our BSS be placed 1MiB after this, to allow for the default |
| 183 | * Linux kernel address of 0x80008000 to work, in the Falcon Mode case. |
| 184 | * We have the SPL malloc pool at the end of the BSS area. |
| 185 | */ |
| 186 | #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR |
| 187 | #define CONFIG_SYS_TEXT_BASE 0x80800000 |
| 188 | #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 |
| 189 | #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ |
| 190 | #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ |
| 191 | CONFIG_SPL_BSS_MAX_SIZE) |
| 192 | #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN |
| 193 | |
| 194 | /* RAW SD card / eMMC locations. */ |
| 195 | #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ |
| 196 | #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ |
| 197 | |
| 198 | /* FAT sd card locations. */ |
| 199 | #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1 |
| 200 | #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img" |
| 201 | |
| 202 | #ifdef CONFIG_SPL_OS_BOOT |
| 203 | #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + 0x100) |
| 204 | |
| 205 | /* FAT */ |
| 206 | #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage" |
| 207 | #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args" |
| 208 | |
| 209 | /* RAW SD card / eMMC */ |
| 210 | #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ |
| 211 | #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ |
| 212 | #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ |
| 213 | |
| 214 | /* NAND */ |
| 215 | #ifdef CONFIG_NAND |
| 216 | #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */ |
| 217 | #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 |
| 218 | #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 |
| 219 | #endif |
| 220 | |
| 221 | /* spl export command */ |
| 222 | #define CONFIG_CMD_SPL |
| 223 | #endif |
| 224 | |
| 225 | #ifdef CONFIG_MMC |
| 226 | #define CONFIG_SPL_MMC_SUPPORT |
| 227 | #define CONFIG_SPL_FAT_SUPPORT |
| 228 | #endif |
| 229 | |
| 230 | /* General parts of the framework. */ |
| 231 | #define CONFIG_SPL_I2C_SUPPORT |
| 232 | #define CONFIG_SPL_LIBCOMMON_SUPPORT |
| 233 | #define CONFIG_SPL_LIBDISK_SUPPORT |
| 234 | #define CONFIG_SPL_LIBGENERIC_SUPPORT |
| 235 | #define CONFIG_SPL_SERIAL_SUPPORT |
| 236 | #define CONFIG_SPL_GPIO_SUPPORT |
| 237 | #define CONFIG_SPL_BOARD_INIT |
| 238 | |
| 239 | #ifdef CONFIG_NAND |
| 240 | #define CONFIG_SPL_NAND_AM33XX_BCH /* OMAP4 and later ELM support */ |
| 241 | #define CONFIG_SPL_NAND_SUPPORT |
| 242 | #define CONFIG_SPL_NAND_BASE |
| 243 | #define CONFIG_SPL_NAND_DRIVERS |
| 244 | #define CONFIG_SPL_NAND_ECC |
| 245 | #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE |
| 246 | #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 |
| 247 | #endif |
| 248 | #endif /* !CONFIG_NOR_BOOT */ |
| 249 | |
| 250 | #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ |