| /* |
| * 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" |
| |
| #define DEFAULT_MMC_TI_ARGS \ |
| "mmcdev=0\0" \ |
| "mmcrootfstype=ext4 rootwait\0" \ |
| "finduuid=part uuid mmc ${bootpart} uuid\0" \ |
| "args_mmc=run finduuid;setenv bootargs console=${console} " \ |
| "${optargs} " \ |
| "root=PARTUUID=${uuid} rw " \ |
| "rootfstype=${mmcrootfstype}\0" \ |
| "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ |
| "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ |
| "source ${loadaddr}\0" \ |
| "bootenvfile=uEnv.txt\0" \ |
| "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \ |
| "env import -t ${loadaddr} ${filesize}\0" \ |
| "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \ |
| "envboot=mmc dev ${mmcdev}; " \ |
| "if mmc rescan; then " \ |
| "echo SD/MMC found on device ${mmcdev};" \ |
| "if run loadbootscript; then " \ |
| "run bootscript;" \ |
| "else " \ |
| "if run loadbootenv; then " \ |
| "echo Loaded env from ${bootenvfile};" \ |
| "run importbootenv;" \ |
| "fi;" \ |
| "if test -n $uenvcmd; then " \ |
| "echo Running uenvcmd ...;" \ |
| "run uenvcmd;" \ |
| "fi;" \ |
| "fi;" \ |
| "fi;\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_MMC |
| #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 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) || 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 |
| |
| |
| /* 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 |
| |
| #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> |
| |
| #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ |