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Tom Rini87694552013-08-09 11:22:17 -04001/*
2 * ti_armv7_common.h
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 *
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
14 * standards.
15 */
16
17#ifndef __CONFIG_TI_ARMV7_COMMON_H__
18#define __CONFIG_TI_ARMV7_COMMON_H__
19
20/* Common define for many platforms. */
21#define CONFIG_OMAP
22#define CONFIG_OMAP_COMMON
23
24/*
25 * We typically do not contain NOR flash. In the cases where we do, we
26 * undefine this later.
27 */
28#define CONFIG_SYS_NO_FLASH
29
30/* Support both device trees and ATAGs. */
31#define CONFIG_OF_LIBFDT
32#define CONFIG_CMDLINE_TAG
33#define CONFIG_SETUP_MEMORY_TAGS
34#define CONFIG_INITRD_TAG
35
36/*
37 * Our DDR memory always starts at 0x80000000 and U-Boot shall have
38 * relocated itself to higher in memory by the time this value is used.
39 */
40#define CONFIG_SYS_LOAD_ADDR 0x80000000
41
42/*
43 * Default to a quick boot delay.
44 */
45#define CONFIG_BOOTDELAY 1
46
47/*
48 * DDR information. We say (for simplicity) that we have 1 bank,
49 * always, even when we have more. We always start at 0x80000000,
50 * and we place the initial stack pointer in our SRAM.
51 */
52#define CONFIG_NR_DRAM_BANKS 1
53#define CONFIG_SYS_SDRAM_BASE 0x80000000
54#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
55 GENERATED_GBL_DATA_SIZE)
56
57/* Timer information. */
58#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
59#define CONFIG_SYS_HZ 1000 /* 1ms clock */
60
61/* I2C IP block */
62#define CONFIG_I2C
63#define CONFIG_CMD_I2C
64#define CONFIG_HARD_I2C
65#define CONFIG_SYS_I2C_SPEED 100000
66#define CONFIG_SYS_I2C_SLAVE 1
67#define CONFIG_I2C_MULTI_BUS
68#define CONFIG_DRIVER_OMAP24XX_I2C
69
70/* MMC/SD IP block */
71#define CONFIG_MMC
72#define CONFIG_GENERIC_MMC
73#define CONFIG_OMAP_HSMMC
74#define CONFIG_CMD_MMC
75
76/* McSPI IP block */
77#define CONFIG_SPI
78#define CONFIG_OMAP3_SPI
Tom Rini0fedc4a2013-08-09 11:22:19 -040079#define CONFIG_CMD_SPI
Tom Rini87694552013-08-09 11:22:17 -040080
81/* GPIO block */
82#define CONFIG_OMAP_GPIO
Tom Rinia1665ed2013-08-09 11:22:20 -040083#define CONFIG_CMD_GPIO
Tom Rini87694552013-08-09 11:22:17 -040084
85/*
86 * GPMC NAND block. We support 1 device and the physical address to
87 * access CS0 at is 0x8000000.
88 */
89#ifdef CONFIG_NAND
90#define CONFIG_CMD_NAND
91#define CONFIG_NAND_OMAP_GPMC
92#define CONFIG_SYS_NAND_BASE 0x8000000
93#define CONFIG_SYS_MAX_NAND_DEVICE 1
94#endif
95
96/*
97 * The following are general good-enough settings for U-Boot. We set a
98 * large malloc pool as we generally have a lot of DDR, and we opt for
99 * function over binary size in the main portion of U-Boot as this is
100 * generally easily constrained later if needed. We enable the config
101 * options that give us information in the environment about what board
102 * we are on so we do not need to rely on the command prompt. We set a
103 * console baudrate of 115200 and use the default baud rate table.
104 */
105#define CONFIG_SYS_MALLOC_LEN (1024 << 10)
106#define CONFIG_SYS_LONGHELP
107#define CONFIG_SYS_HUSH_PARSER
108#define CONFIG_AUTO_COMPLETE
109#define CONFIG_CMDLINE_EDITING
110#define CONFIG_SYS_PROMPT "U-Boot# "
111#define CONFIG_VERSION_VARIABLE
112#define CONFIG_ENV_VARS_UBOOT_CONFIG
113#define CONFIG_BAUDRATE 115200
114
115/* We set the max number of command args high to avoid HUSH bugs. */
116#define CONFIG_SYS_MAXARGS 64
117
118/* Console I/O Buffer Size */
119#define CONFIG_SYS_CBSIZE 512
120/* Print Buffer Size */
121#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
122 + sizeof(CONFIG_SYS_PROMPT) + 16)
123/* Boot Argument Buffer Size */
124#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
125
126#define CONFIG_ENV_OVERWRITE
127#define CONFIG_SYS_CONSOLE_INFO_QUIET
128
129/*
130 * When we have SPI, NOR or NAND flash we expect to be making use of
131 * mtdparts, both for ease of use in U-Boot and for passing information
132 * on to the Linux kernel.
133 */
134#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
135#define CONFIG_MTD_DEVICE /* Required for mtdparts */
136#define CONFIG_CMD_MTDPARTS
137#endif
138
139/*
140 * For commands to use, we take the default list and add a few other
141 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH
142 * prior to this include, in order to skip a few commands. When we do
143 * have flash, if we expect these commands they must be enabled in that
144 * config.
145 */
146#include <config_cmd_default.h>
147#define CONFIG_CMD_ASKENV
148#define CONFIG_CMD_ECHO
149#define CONFIG_CMD_BOOTZ
150
151/*
152 * Common filesystems support. When we have removable storage we
153 * enabled a number of useful commands and support.
154 */
155#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
156#define CONFIG_DOS_PARTITION
157#define CONFIG_CMD_FAT
158#define CONFIG_FAT_WRITE
159#define CONFIG_CMD_EXT2
160#define CONFIG_CMD_EXT4
161#define CONFIG_CMD_FS_GENERIC
162#endif
163
164/*
165 * Our platforms make use of SPL to initalize the hardware (primarily
166 * memory) enough for full U-Boot to be loaded. We also support Falcon
167 * Mode so that the Linux kernel can be booted directly from SPL
168 * instead, if desired. We make use of the general SPL framework found
169 * under common/spl/. Given our generally common memory map, we set a
170 * number of related defaults and sizes here.
171 */
172#ifndef CONFIG_NOR_BOOT
173#define CONFIG_SPL
174#define CONFIG_SPL_FRAMEWORK
175#define CONFIG_SPL_OS_BOOT
176
177/*
178 * Place the image at the start of the ROM defined image space.
179 * We limit our size to the ROM-defined downloaded image area, and use the
180 * rest of the space for stack. We load U-Boot itself into memory at
181 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We
182 * have our BSS be placed 1MiB after this, to allow for the default
183 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
184 * We have the SPL malloc pool at the end of the BSS area.
185 */
186#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
187#define CONFIG_SYS_TEXT_BASE 0x80800000
188#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
189#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
190#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
191 CONFIG_SPL_BSS_MAX_SIZE)
192#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
193
194/* RAW SD card / eMMC locations. */
195#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
196#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
197
198/* FAT sd card locations. */
199#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
200#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
201
202#ifdef CONFIG_SPL_OS_BOOT
203#define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + 0x100)
204
205/* FAT */
206#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
207#define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args"
208
209/* RAW SD card / eMMC */
210#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
211#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
212#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
213
214/* NAND */
215#ifdef CONFIG_NAND
216#define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
217#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
218#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
219#endif
220
221/* spl export command */
222#define CONFIG_CMD_SPL
223#endif
224
225#ifdef CONFIG_MMC
226#define CONFIG_SPL_MMC_SUPPORT
227#define CONFIG_SPL_FAT_SUPPORT
228#endif
229
230/* General parts of the framework. */
231#define CONFIG_SPL_I2C_SUPPORT
232#define CONFIG_SPL_LIBCOMMON_SUPPORT
233#define CONFIG_SPL_LIBDISK_SUPPORT
234#define CONFIG_SPL_LIBGENERIC_SUPPORT
235#define CONFIG_SPL_SERIAL_SUPPORT
236#define CONFIG_SPL_GPIO_SUPPORT
237#define CONFIG_SPL_BOARD_INIT
238
239#ifdef CONFIG_NAND
240#define CONFIG_SPL_NAND_AM33XX_BCH /* OMAP4 and later ELM support */
241#define CONFIG_SPL_NAND_SUPPORT
242#define CONFIG_SPL_NAND_BASE
243#define CONFIG_SPL_NAND_DRIVERS
244#define CONFIG_SPL_NAND_ECC
245#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
246#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
247#endif
248#endif /* !CONFIG_NOR_BOOT */
249
250#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */