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Diffstat (limited to 'include/configs/ti_armv7_common.h')
| -rw-r--r-- | include/configs/ti_armv7_common.h | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h new file mode 100644 index 0000000000..e0ab6912ba --- /dev/null +++ b/include/configs/ti_armv7_common.h @@ -0,0 +1,250 @@ +/* + * 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 1 + +/* + * 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_CMD_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 + +/* 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_CMD_NAND +#define CONFIG_NAND_OMAP_GPMC +#define CONFIG_SYS_NAND_BASE 0x8000000 +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#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_LONGHELP +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_AUTO_COMPLETE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_PROMPT "U-Boot# " +#define CONFIG_VERSION_VARIABLE +#define CONFIG_ENV_VARS_UBOOT_CONFIG +#define CONFIG_BAUDRATE 115200 + +/* 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 + +#define CONFIG_ENV_OVERWRITE +#define CONFIG_SYS_CONSOLE_INFO_QUIET + +/* + * 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. + */ +#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 */ + +/* 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_MMC_SUPPORT +#define CONFIG_SPL_FAT_SUPPORT +#endif + +/* General parts of the framework. */ +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBDISK_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_AM33XX_BCH /* OMAP4 and later ELM support */ +#define CONFIG_SPL_NAND_SUPPORT +#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 +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 +#endif +#endif /* !CONFIG_NOR_BOOT */ + +#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */ |
