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- /*
- * 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__
- /*
- * 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_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" \
- "scriptaddr=0x80000000\0" \
- "pxefile_addr_r=0x80100000\0" \
- "bootm_size=0x10000000\0" \
- "boot_fdt=try\0"
- #define DEFAULT_FIT_TI_ARGS \
- "boot_fit=0\0" \
- "fit_loadaddr=0x87000000\0" \
- "fit_bootfile=fitImage\0" \
- "update_to_fit=setenv loadaddr ${fit_loadaddr}; setenv bootfile ${fit_bootfile}\0" \
- "loadfit=run args_mmc; bootm ${loadaddr}#${fdtfile};\0" \
- /*
- * 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
- #ifndef CONFIG_SYS_INIT_SP_ADDR
- #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
- GENERATED_GBL_DATA_SIZE)
- #endif
- /* Timer information. */
- #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
- /*
- * Disable DM_* for SPL build and can be re-enabled after adding
- * DM support in SPL
- */
- #ifdef CONFIG_SPL_BUILD
- #undef CONFIG_DM_I2C
- #endif
- /* I2C IP block */
- #define CONFIG_I2C
- #ifndef CONFIG_DM_I2C
- #define CONFIG_SYS_I2C
- #else
- /*
- * Enable CONFIG_DM_I2C_COMPAT temporarily until all the i2c client
- * devices are adopted to DM
- */
- #define CONFIG_DM_I2C_COMPAT
- #endif
- /* MMC/SD IP block */
- #define CONFIG_GENERIC_MMC
- /* McSPI IP block */
- #define CONFIG_SPI
- /* GPIO block */
- /*
- * 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 SZ_32M
- #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
- /* 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 1024
- /* 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) || defined(CONFIG_NAND_DAVINCI)
- #define CONFIG_MTD_DEVICE /* Required for mtdparts */
- #define CONFIG_CMD_MTDPARTS
- #endif
- #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_FAT_WRITE
- #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 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
- /*
- * We also support Falcon Mode so that the Linux kernel can be booted
- * directly from SPL. This is not currently available on HS devices.
- */
- /*
- * 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 minus 1KiB for scratch space. 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 suggest that the stack be placed at 32MiB after the
- * start of DRAM to allow room for all of the above (handled in Kconfig).
- */
- #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 SZ_8M
- #endif
- #ifndef CONFIG_SPL_MAX_SIZE
- #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
- CONFIG_SPL_TEXT_BASE)
- #endif
- /* 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 0x1700 /* address 0x2E0000 */
- #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x1500 /* address 0x2A0000 */
- #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x200 /* 256KiB */
- /* spl export command */
- #define CONFIG_CMD_SPL
- #endif
- #define CONFIG_SYS_THUMB_BUILD
- /* General parts of the framework, required. */
- #define CONFIG_SPL_BOARD_INIT
- #ifdef CONFIG_NAND
- #define CONFIG_SPL_NAND_BASE
- #define CONFIG_SPL_NAND_DRIVERS
- #define CONFIG_SPL_NAND_ECC
- #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
- #endif
- #endif /* !CONFIG_NOR_BOOT */
- /* Generic Environment Variables */
- #ifdef CONFIG_CMD_NET
- #define NETARGS \
- "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
- "::off\0" \
- "nfsopts=nolock\0" \
- "rootpath=/export/rootfs\0" \
- "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
- "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
- "netargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "root=/dev/nfs " \
- "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
- "ip=dhcp\0" \
- "netboot=echo Booting from network ...; " \
- "setenv autoload no; " \
- "dhcp; " \
- "run netloadimage; " \
- "run netloadfdt; " \
- "run netargs; " \
- "bootz ${loadaddr} - ${fdtaddr}\0"
- #else
- #define NETARGS ""
- #endif
- #include <config_distro_defaults.h>
- #define CONFIG_CMD_TIME
- #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */
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