4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
6 * SPDX-License-Identifier: GPL-2.0+
8 * The various ARMv7 SoCs from TI all share a number of IP blocks when
9 * implementing a given feature. Rather than define these in every
10 * board or even SoC common file, we define a common file to be re-used
11 * in all cases. While technically true that some of these details are
12 * configurable at the board design, they are common throughout SoC
13 * reference platforms as well as custom designs and become de facto
17 #ifndef __CONFIG_TI_ARMV7_COMMON_H__
18 #define __CONFIG_TI_ARMV7_COMMON_H__
20 /* Common define for many platforms. */
22 #define CONFIG_OMAP_COMMON
23 #define CONFIG_SYS_GENERIC_BOARD
26 * We typically do not contain NOR flash. In the cases where we do, we
27 * undefine this later.
29 #define CONFIG_SYS_NO_FLASH
31 /* Support both device trees and ATAGs. */
32 #define CONFIG_OF_LIBFDT
33 #define CONFIG_CMDLINE_TAG
34 #define CONFIG_SETUP_MEMORY_TAGS
35 #define CONFIG_INITRD_TAG
38 * Our DDR memory always starts at 0x80000000 and U-Boot shall have
39 * relocated itself to higher in memory by the time this value is used.
40 * However, set this to a 32MB offset to allow for easier Linux kernel
41 * booting as the default is often used as the kernel load address.
43 #define CONFIG_SYS_LOAD_ADDR 0x82000000
46 * We setup defaults based on constraints from the Linux kernel, which should
47 * also be safe elsewhere. We have the default load at 32MB into DDR (for
48 * the kernel), FDT above 128MB (the maximum location for the end of the
49 * kernel), and the ramdisk 512KB above that (allowing for hopefully never
50 * seen large trees). We say all of this must be within the first 256MB
51 * as that will normally be within the kernel lowmem and thus visible via
52 * bootm_size and we only run on platforms with 256MB or more of memory.
54 #define DEFAULT_LINUX_BOOT_ENV \
55 "loadaddr=0x82000000\0" \
56 "kernel_addr_r=0x82000000\0" \
57 "fdtaddr=0x88000000\0" \
58 "fdt_addr_r=0x88000000\0" \
59 "rdaddr=0x88080000\0" \
60 "ramdisk_addr_r=0x88080000\0" \
61 "bootm_size=0x10000000\0"
64 * Default to a quick boot delay.
66 #define CONFIG_BOOTDELAY 1
69 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined,
70 * we say (for simplicity) that we have 1 bank, always, even when
71 * we have more. We always start at 0x80000000, and we place the
72 * initial stack pointer in our SRAM. Otherwise, we can define
73 * CONFIG_NR_DRAM_BANKS before including this file.
75 #ifndef CONFIG_NR_DRAM_BANKS
76 #define CONFIG_NR_DRAM_BANKS 1
78 #define CONFIG_SYS_SDRAM_BASE 0x80000000
79 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
80 GENERATED_GBL_DATA_SIZE)
82 /* Timer information. */
83 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
87 #define CONFIG_CMD_I2C
88 #define CONFIG_SYS_I2C
89 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000
90 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1
91 #define CONFIG_SYS_I2C_OMAP24XX
95 #define CONFIG_GENERIC_MMC
96 #define CONFIG_OMAP_HSMMC
97 #define CONFIG_CMD_MMC
101 #define CONFIG_OMAP3_SPI
102 #define CONFIG_CMD_SPI
105 #define CONFIG_OMAP_GPIO
106 #define CONFIG_CMD_GPIO
109 * GPMC NAND block. We support 1 device and the physical address to
110 * access CS0 at is 0x8000000.
113 #define CONFIG_NAND_OMAP_GPMC
114 #define CONFIG_SYS_NAND_BASE 0x8000000
115 #define CONFIG_SYS_MAX_NAND_DEVICE 1
116 #define CONFIG_CMD_NAND
120 * The following are general good-enough settings for U-Boot. We set a
121 * large malloc pool as we generally have a lot of DDR, and we opt for
122 * function over binary size in the main portion of U-Boot as this is
123 * generally easily constrained later if needed. We enable the config
124 * options that give us information in the environment about what board
125 * we are on so we do not need to rely on the command prompt. We set a
126 * console baudrate of 115200 and use the default baud rate table.
128 #define CONFIG_SYS_MALLOC_LEN (1024 << 10)
129 #define CONFIG_SYS_HUSH_PARSER
130 #define CONFIG_SYS_PROMPT "U-Boot# "
131 #define CONFIG_SYS_CONSOLE_INFO_QUIET
132 #define CONFIG_BAUDRATE 115200
133 #define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */
134 #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
136 /* As stated above, the following choices are optional. */
137 #define CONFIG_SYS_LONGHELP
138 #define CONFIG_AUTO_COMPLETE
139 #define CONFIG_CMDLINE_EDITING
140 #define CONFIG_VERSION_VARIABLE
142 /* We set the max number of command args high to avoid HUSH bugs. */
143 #define CONFIG_SYS_MAXARGS 64
145 /* Console I/O Buffer Size */
146 #define CONFIG_SYS_CBSIZE 512
147 /* Print Buffer Size */
148 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
149 + sizeof(CONFIG_SYS_PROMPT) + 16)
150 /* Boot Argument Buffer Size */
151 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
154 * When we have SPI, NOR or NAND flash we expect to be making use of
155 * mtdparts, both for ease of use in U-Boot and for passing information
156 * on to the Linux kernel.
158 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
159 #define CONFIG_MTD_DEVICE /* Required for mtdparts */
160 #define CONFIG_CMD_MTDPARTS
164 * For commands to use, we take the default list and add a few other
165 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH
166 * prior to this include, in order to skip a few commands. When we do
167 * have flash, if we expect these commands they must be enabled in that
168 * config. If desired, a specific list of desired commands can be used
171 #include <config_cmd_default.h>
172 #define CONFIG_CMD_ASKENV
173 #define CONFIG_CMD_ECHO
174 #define CONFIG_CMD_BOOTZ
177 * Common filesystems support. When we have removable storage we
178 * enabled a number of useful commands and support.
180 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
181 #define CONFIG_DOS_PARTITION
182 #define CONFIG_CMD_FAT
183 #define CONFIG_FAT_WRITE
184 #define CONFIG_CMD_EXT2
185 #define CONFIG_CMD_EXT4
186 #define CONFIG_CMD_FS_GENERIC
190 * Our platforms make use of SPL to initalize the hardware (primarily
191 * memory) enough for full U-Boot to be loaded. We also support Falcon
192 * Mode so that the Linux kernel can be booted directly from SPL
193 * instead, if desired. We make use of the general SPL framework found
194 * under common/spl/. Given our generally common memory map, we set a
195 * number of related defaults and sizes here.
197 #ifndef CONFIG_NOR_BOOT
199 #define CONFIG_SPL_FRAMEWORK
200 #define CONFIG_SPL_OS_BOOT
203 * Place the image at the start of the ROM defined image space.
204 * We limit our size to the ROM-defined downloaded image area, and use the
205 * rest of the space for stack. We load U-Boot itself into memory at
206 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We
207 * have our BSS be placed 1MiB after this, to allow for the default
208 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
209 * We have the SPL malloc pool at the end of the BSS area.
211 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
212 #define CONFIG_SYS_TEXT_BASE 0x80800000
213 #define CONFIG_SPL_BSS_START_ADDR 0x80a00000
214 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
215 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
216 CONFIG_SPL_BSS_MAX_SIZE)
217 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
219 /* RAW SD card / eMMC locations. */
220 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
221 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
223 /* FAT sd card locations. */
224 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
225 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
227 #ifdef CONFIG_SPL_OS_BOOT
229 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
230 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args"
232 /* RAW SD card / eMMC */
233 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
234 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
235 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
239 #define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
240 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
241 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
244 /* spl export command */
245 #define CONFIG_CMD_SPL
249 #define CONFIG_SPL_LIBDISK_SUPPORT
250 #define CONFIG_SPL_MMC_SUPPORT
251 #define CONFIG_SPL_FAT_SUPPORT
254 /* General parts of the framework, required. */
255 #define CONFIG_SPL_I2C_SUPPORT
256 #define CONFIG_SPL_LIBCOMMON_SUPPORT
257 #define CONFIG_SPL_LIBGENERIC_SUPPORT
258 #define CONFIG_SPL_SERIAL_SUPPORT
259 #define CONFIG_SPL_GPIO_SUPPORT
260 #define CONFIG_SPL_BOARD_INIT
263 #define CONFIG_SPL_NAND_SUPPORT
264 #define CONFIG_SPL_NAND_BASE
265 #define CONFIG_SPL_NAND_DRIVERS
266 #define CONFIG_SPL_NAND_ECC
267 #define CONFIG_SPL_MTD_SUPPORT
268 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
269 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
271 #endif /* !CONFIG_NOR_BOOT */
273 #endif /* __CONFIG_TI_ARMV7_COMMON_H__ */