| /* | |
| * ti_armv7_common.h | |
| * | |
| * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| * | |
| * The various ARMv7 SoCs from TI all share a number of IP blocks when | |
| * implementing a given feature. Rather than define these in every | |
| * board or even SoC common file, we define a common file to be re-used | |
| * in all cases. While technically true that some of these details are | |
| * configurable at the board design, they are common throughout SoC | |
| * reference platforms as well as custom designs and become de facto | |
| * standards. | |
| */ | |
| #ifndef __CONFIG_TI_ARMV7_COMMON_H__ | |
| #define __CONFIG_TI_ARMV7_COMMON_H__ | |
| /* Common define for many platforms. */ | |
| #define CONFIG_OMAP | |
| #define CONFIG_OMAP_COMMON | |
| #define CONFIG_SYS_GENERIC_BOARD | |
| /* | |
| * We typically do not contain NOR flash. In the cases where we do, we | |
| * undefine this later. | |
| */ | |
| #define CONFIG_SYS_NO_FLASH | |
| /* Support both device trees and ATAGs. */ | |
| #define CONFIG_OF_LIBFDT | |
| #define CONFIG_CMDLINE_TAG | |
| #define CONFIG_SETUP_MEMORY_TAGS | |
| #define CONFIG_INITRD_TAG | |
| /* | |
| * Our DDR memory always starts at 0x80000000 and U-Boot shall have | |
| * relocated itself to higher in memory by the time this value is used. | |
| * However, set this to a 32MB offset to allow for easier Linux kernel | |
| * booting as the default is often used as the kernel load address. | |
| */ | |
| #define CONFIG_SYS_LOAD_ADDR 0x82000000 | |
| /* | |
| * We setup defaults based on constraints from the Linux kernel, which should | |
| * also be safe elsewhere. We have the default load at 32MB into DDR (for | |
| * the kernel), FDT above 128MB (the maximum location for the end of the | |
| * kernel), and the ramdisk 512KB above that (allowing for hopefully never | |
| * seen large trees). We say all of this must be within the first 256MB | |
| * as that will normally be within the kernel lowmem and thus visible via | |
| * bootm_size and we only run on platforms with 256MB or more of memory. | |
| */ | |
| #define DEFAULT_LINUX_BOOT_ENV \ | |
| "loadaddr=0x82000000\0" \ | |
| "kernel_addr_r=0x82000000\0" \ | |
| "fdtaddr=0x88000000\0" \ | |
| "fdt_addr_r=0x88000000\0" \ | |
| "rdaddr=0x88080000\0" \ | |
| "ramdisk_addr_r=0x88080000\0" \ | |
| "bootm_size=0x10000000\0" | |
| /* | |
| * Default to a quick boot delay. | |
| */ | |
| #define CONFIG_BOOTDELAY 1 | |
| /* | |
| * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined, | |
| * we say (for simplicity) that we have 1 bank, always, even when | |
| * we have more. We always start at 0x80000000, and we place the | |
| * initial stack pointer in our SRAM. Otherwise, we can define | |
| * CONFIG_NR_DRAM_BANKS before including this file. | |
| */ | |
| #ifndef CONFIG_NR_DRAM_BANKS | |
| #define CONFIG_NR_DRAM_BANKS 1 | |
| #endif | |
| #define CONFIG_SYS_SDRAM_BASE 0x80000000 | |
| #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ | |
| GENERATED_GBL_DATA_SIZE) | |
| /* Timer information. */ | |
| #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ | |
| /* I2C IP block */ | |
| #define CONFIG_I2C | |
| #define CONFIG_CMD_I2C | |
| #define CONFIG_SYS_I2C | |
| #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 | |
| #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 | |
| #define CONFIG_SYS_I2C_OMAP24XX | |
| /* MMC/SD IP block */ | |
| #define CONFIG_MMC | |
| #define CONFIG_GENERIC_MMC | |
| #define CONFIG_OMAP_HSMMC | |
| #define CONFIG_CMD_MMC | |
| /* McSPI IP block */ | |
| #define CONFIG_SPI | |
| #define CONFIG_OMAP3_SPI | |
| #define CONFIG_CMD_SPI | |
| /* GPIO block */ | |
| #define CONFIG_OMAP_GPIO | |
| #define CONFIG_CMD_GPIO | |
| /* | |
| * GPMC NAND block. We support 1 device and the physical address to | |
| * access CS0 at is 0x8000000. | |
| */ | |
| #ifdef CONFIG_NAND | |
| #define CONFIG_NAND_OMAP_GPMC | |
| #ifndef CONFIG_SYS_NAND_BASE | |
| #define CONFIG_SYS_NAND_BASE 0x8000000 | |
| #endif | |
| #define CONFIG_SYS_MAX_NAND_DEVICE 1 | |
| #define CONFIG_CMD_NAND | |
| #endif | |
| /* | |
| * The following are general good-enough settings for U-Boot. We set a | |
| * large malloc pool as we generally have a lot of DDR, and we opt for | |
| * function over binary size in the main portion of U-Boot as this is | |
| * generally easily constrained later if needed. We enable the config | |
| * options that give us information in the environment about what board | |
| * we are on so we do not need to rely on the command prompt. We set a | |
| * console baudrate of 115200 and use the default baud rate table. | |
| */ | |
| #define CONFIG_SYS_MALLOC_LEN (16 << 20) | |
| #define CONFIG_SYS_HUSH_PARSER | |
| #define CONFIG_SYS_PROMPT "U-Boot# " | |
| #define CONFIG_SYS_CONSOLE_INFO_QUIET | |
| #define CONFIG_BAUDRATE 115200 | |
| #define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */ | |
| #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ | |
| /* As stated above, the following choices are optional. */ | |
| #define CONFIG_SYS_LONGHELP | |
| #define CONFIG_AUTO_COMPLETE | |
| #define CONFIG_CMDLINE_EDITING | |
| #define CONFIG_VERSION_VARIABLE | |
| /* We set the max number of command args high to avoid HUSH bugs. */ | |
| #define CONFIG_SYS_MAXARGS 64 | |
| /* Console I/O Buffer Size */ | |
| #define CONFIG_SYS_CBSIZE 512 | |
| /* Print Buffer Size */ | |
| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ | |
| + sizeof(CONFIG_SYS_PROMPT) + 16) | |
| /* Boot Argument Buffer Size */ | |
| #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
| /* | |
| * When we have SPI, NOR or NAND flash we expect to be making use of | |
| * mtdparts, both for ease of use in U-Boot and for passing information | |
| * on to the Linux kernel. | |
| */ | |
| #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) | |
| #define CONFIG_MTD_DEVICE /* Required for mtdparts */ | |
| #define CONFIG_CMD_MTDPARTS | |
| #endif | |
| /* | |
| * For commands to use, we take the default list and add a few other | |
| * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH | |
| * prior to this include, in order to skip a few commands. When we do | |
| * have flash, if we expect these commands they must be enabled in that | |
| * config. If desired, a specific list of desired commands can be used | |
| * instead. | |
| */ | |
| #include <config_cmd_default.h> | |
| #define CONFIG_CMD_ASKENV | |
| #define CONFIG_CMD_ECHO | |
| #define CONFIG_CMD_BOOTZ | |
| #define CONFIG_SUPPORT_RAW_INITRD | |
| /* | |
| * Common filesystems support. When we have removable storage we | |
| * enabled a number of useful commands and support. | |
| */ | |
| #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE) | |
| #define CONFIG_DOS_PARTITION | |
| #define CONFIG_CMD_FAT | |
| #define CONFIG_FAT_WRITE | |
| #define CONFIG_CMD_EXT2 | |
| #define CONFIG_CMD_EXT4 | |
| #define CONFIG_CMD_FS_GENERIC | |
| #define CONFIG_PARTITION_UUIDS | |
| #define CONFIG_CMD_PART | |
| #endif | |
| /* | |
| * Our platforms make use of SPL to initalize the hardware (primarily | |
| * memory) enough for full U-Boot to be loaded. We also support Falcon | |
| * Mode so that the Linux kernel can be booted directly from SPL | |
| * instead, if desired. We make use of the general SPL framework found | |
| * under common/spl/. Given our generally common memory map, we set a | |
| * number of related defaults and sizes here. | |
| */ | |
| #if !defined(CONFIG_NOR_BOOT) && \ | |
| !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX)) | |
| #define CONFIG_SPL_FRAMEWORK | |
| #define CONFIG_SPL_OS_BOOT | |
| /* | |
| * Place the image at the start of the ROM defined image space (per | |
| * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined | |
| * downloaded image area. We initalize DRAM as soon as we can so that | |
| * we can place stack, malloc and BSS there. We load U-Boot itself into | |
| * memory at 0x80800000 for legacy reasons (to not conflict with older | |
| * SPLs). We have our BSS be placed 2MiB after this, to allow for the | |
| * default Linux kernel address of 0x80008000 to work with most sized | |
| * kernels, in the Falcon Mode case. We have the SPL malloc pool at the | |
| * end of the BSS area. We place our stack at 32MiB after the start of | |
| * DRAM to allow room for all of the above. | |
| */ | |
| #define CONFIG_SPL_STACK (CONFIG_SYS_SDRAM_BASE + (32 << 20)) | |
| #ifndef CONFIG_SYS_TEXT_BASE | |
| #define CONFIG_SYS_TEXT_BASE 0x80800000 | |
| #endif | |
| #ifndef CONFIG_SPL_BSS_START_ADDR | |
| #define CONFIG_SPL_BSS_START_ADDR 0x80a00000 | |
| #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ | |
| #endif | |
| #ifndef CONFIG_SYS_SPL_MALLOC_START | |
| #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ | |
| CONFIG_SPL_BSS_MAX_SIZE) | |
| #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN | |
| #endif | |
| /* RAW SD card / eMMC locations. */ | |
| #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ | |
| #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ | |
| /* FAT sd card locations. */ | |
| #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 | |
| #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" | |
| #ifdef CONFIG_SPL_OS_BOOT | |
| /* FAT */ | |
| #define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage" | |
| #define CONFIG_SPL_FS_LOAD_ARGS_NAME "args" | |
| /* RAW SD card / eMMC */ | |
| #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ | |
| #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ | |
| #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ | |
| /* spl export command */ | |
| #define CONFIG_CMD_SPL | |
| #endif | |
| #ifdef CONFIG_MMC | |
| #define CONFIG_SPL_LIBDISK_SUPPORT | |
| #define CONFIG_SPL_MMC_SUPPORT | |
| #define CONFIG_SPL_FAT_SUPPORT | |
| #endif | |
| /* General parts of the framework, required. */ | |
| #define CONFIG_SPL_I2C_SUPPORT | |
| #define CONFIG_SPL_LIBCOMMON_SUPPORT | |
| #define CONFIG_SPL_LIBGENERIC_SUPPORT | |
| #define CONFIG_SPL_SERIAL_SUPPORT | |
| #define CONFIG_SPL_GPIO_SUPPORT | |
| #define CONFIG_SPL_BOARD_INIT | |
| #ifdef CONFIG_NAND | |
| #define CONFIG_SPL_NAND_SUPPORT | |
| #define CONFIG_SPL_NAND_BASE | |
| #define CONFIG_SPL_NAND_DRIVERS | |
| #define CONFIG_SPL_NAND_ECC | |
| #define CONFIG_SPL_MTD_SUPPORT | |
| #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE | |
| #endif | |
| #endif /* !CONFIG_NOR_BOOT */ | |
| #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ |