300 lines
9.1 KiB
C
300 lines
9.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
#define CONFIG_SYS_LOAD_ADDR 0x80000000
|
|
|
|
/*
|
|
* Default to a quick boot delay.
|
|
*/
|
|
#define CONFIG_BOOTDELAY 3
|
|
|
|
/*
|
|
* DDR information. 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.
|
|
*/
|
|
#define CONFIG_NR_DRAM_BANKS 1
|
|
#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 */
|
|
#define CONFIG_SYS_HZ 1000 /* 1ms clock */
|
|
|
|
/* I2C IP block */
|
|
#define CONFIG_I2C
|
|
#define CONFIG_HARD_I2C
|
|
#define CONFIG_SYS_I2C_SPEED 100000
|
|
#define CONFIG_SYS_I2C_SLAVE 1
|
|
#define CONFIG_I2C_MULTI_BUS
|
|
#define CONFIG_DRIVER_OMAP24XX_I2C
|
|
#define CONFIG_CMD_I2C
|
|
|
|
/* 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
|
|
|
|
/*
|
|
* 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 (CONFIG_SYS_SDRAM_BASE + 0x100)
|
|
|
|
/* 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 */
|
|
|
|
/* 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
|
|
#endif /* !CONFIG_NOR_BOOT */
|
|
|
|
/* Boot defines */
|
|
#define BOOTCMD_COMMON \
|
|
"rootpart=2\0" \
|
|
"script_boot=" \
|
|
"if load ${devtype} ${devnum}:${rootpart} ${loadaddr} ${bootdir}/${bootfile}; then " \
|
|
"run findfdt; " \
|
|
"load ${devtype} ${devnum}:${rootpart} ${fdtaddr} ${bootdir}/${fdtfile};" \
|
|
"bootz ${loadaddr} - ${fdtaddr}; " \
|
|
"fi;\0" \
|
|
\
|
|
"scan_boot=" \
|
|
"echo Scanning ${devtype} ${devnum}...; " \
|
|
"for prefix in ${bootdir}; do " \
|
|
"for script in ${bootfile}; do " \
|
|
"run script_boot; " \
|
|
"done; " \
|
|
"done;\0" \
|
|
"boot_targets=" \
|
|
BOOT_TARGETS_USB " " \
|
|
BOOT_TARGETS_MMC " " \
|
|
BOOT_TARGETS_NAND " " \
|
|
"\0"
|
|
|
|
/* USB MSD Boot */
|
|
#define BOOTCMD_INIT_USB "run usb_init; "
|
|
#define BOOTCMD_USB \
|
|
"usb_init=" \
|
|
"usb start 0;\0 " \
|
|
"usb_boot=" \
|
|
"setenv devtype usb; " \
|
|
BOOTCMD_INIT_USB \
|
|
"if usb dev 0; then " \
|
|
"run usbargs;" \
|
|
"run scan_boot; " \
|
|
"fi\0" \
|
|
"bootcmd_usb=setenv devnum 0; run usb_boot;\0"
|
|
|
|
/* MMC Boot */
|
|
#define BOOTCMD_MMC \
|
|
"mmc_boot=" \
|
|
"setenv devtype mmc; " \
|
|
"if mmc dev ${devnum}; then " \
|
|
"run mmcargs;" \
|
|
"run scan_boot; " \
|
|
"fi\0" \
|
|
"bootcmd_mmc0=setenv devnum 0; setenv rootpart 2; run mmc_boot;\0" \
|
|
|
|
/* NAND Boot */
|
|
#define DFU_ALT_INFO_NAND ""
|
|
#ifndef CONFIG_NAND
|
|
#define MTDIDS_DEFAULT ""
|
|
#define MTDPARTS_DEFAULT ""
|
|
#endif
|
|
|
|
#define BOOTCMD_NAND \
|
|
"mtdids=" MTDIDS_DEFAULT "\0" \
|
|
"mtdparts=" MTDPARTS_DEFAULT "\0" \
|
|
"nandargs=setenv bootargs console=${console} " \
|
|
"${optargs} " \
|
|
"root=${nandroot} " \
|
|
"rootfstype=${nandrootfstype}\0" \
|
|
"dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
|
|
"nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
|
|
"nandrootfstype=ubifs rootwait=1\0" \
|
|
"nandsrcaddr=0x280000\0" \
|
|
"nandboot=echo Booting from nand ...; " \
|
|
"run nandargs; " \
|
|
"nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
|
|
"bootz ${loadaddr}\0" \
|
|
"nandimgsize=0x500000\0" \
|
|
"bootcmd_nand=run nandboot;\0"
|
|
|
|
#define CONFIG_BOOTCOMMAND \
|
|
"for target in ${boot_targets}; do run bootcmd_${target}; done"
|
|
|
|
#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */
|