--- /dev/null
+/*
+ * 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
+#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
+#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
+#ifndef CONFIG_SYS_NAND_BASE
+#define CONFIG_SYS_NAND_BASE 0x8000000
+#endif
+#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
+#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_MMC_SD_FAT_BOOT_PARTITION 1
+#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
+
+#ifdef CONFIG_SPL_OS_BOOT
+/* 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__ */
Code Review / kvmfornfv.git / blobdiff