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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__
/* Common define for many platforms. */
#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
#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 */
/* I2C IP block */
#define CONFIG_I2C
#define CONFIG_CMD_I2C
#define CONFIG_SYS_I2C
/* MMC/SD IP block */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_CMD_MMC
/* McSPI IP block */
#define CONFIG_SPI
#define CONFIG_CMD_SPI
/* GPIO block */
#define CONFIG_CMD_GPIO
/*
* 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.
*/
#ifdef CONFIG_DFU_MMC
#define CONFIG_SYS_MALLOC_LEN ((16 << 20) + CONFIG_SYS_DFU_DATA_BUF_SIZE)
#else
#define CONFIG_SYS_MALLOC_LEN (16 << 20)
#endif
#define CONFIG_SYS_HUSH_PARSER
#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) || defined(CONFIG_NAND_DAVINCI)
#define CONFIG_MTD_DEVICE /* Required for mtdparts */
#define CONFIG_CMD_MTDPARTS
#endif
#define CONFIG_CMD_ASKENV
#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 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 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
#define CONFIG_SPL_EXT_SUPPORT
#endif
#define CONFIG_SYS_THUMB_BUILD
/* 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_POWER_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 */
/* 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
#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */