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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_OMAP
#define CONFIG_OMAP_COMMON
/*
* 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
#define CONFIG_SYS_NAND_BASE 0x8000000
#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 (1024 << 10)
#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
/*
* 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
#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.
*/
#ifndef CONFIG_NOR_BOOT
#define CONFIG_SPL
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_OS_BOOT
/*
* Place the image at the start of the ROM defined image space.
* We limit our size to the ROM-defined downloaded image area, and use the
* rest of the space for stack. We load U-Boot itself into memory at
* 0x80800000 for legacy reasons (to not conflict with older SPLs). We
* have our BSS be placed 1MiB after this, to allow for the default
* Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
* We have the SPL malloc pool at the end of the BSS area.
*/
#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
#define CONFIG_SYS_TEXT_BASE 0x80800000
#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
#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
/* 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_MMC_SD_FAT_BOOT_PARTITION 1
#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
#ifdef CONFIG_SPL_OS_BOOT
#define CONFIG_SYS_SPL_ARGS_ADDR 0x80F80000
/* FAT */
#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
#define CONFIG_SPL_FAT_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 */
/* NAND */
#ifdef CONFIG_NAND
#define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
#endif
/* 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
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
#endif
#endif /* !CONFIG_NOR_BOOT */
#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */
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