/* * 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__ /* 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 /* 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_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 /* 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 */ #endif #define CONFIG_SUPPORT_RAW_INITRD /* * 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_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 */ #endif /* General parts of the framework, required. */ #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 #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */