1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/*
* 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_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
/* MMC/SD IP block */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_CMD_MMC
/* McSPI IP block */
#define CONFIG_SPI
#define CONFIG_CMD_SPI
/* GPIO block */
#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.
*/
#ifdef CONFIG_DFU_MMC
#define CONFIG_SYS_MALLOC_LEN ((16 << 20) + CONFIG_SYS_DFU_DATA_BUF_SIZE)
#else
#define CONFIG_SYS_MALLOC_LEN (16 << 20)
#endif
#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
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_BOOTZ
#define CONFIG_SUPPORT_RAW_INITRD
/*
* 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
#define CONFIG_PARTITION_UUIDS
#define CONFIG_CMD_PART
#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.
*/
#if !defined(CONFIG_NOR_BOOT) && \
!(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_OS_BOOT
/*
* Place the image at the start of the ROM defined image space (per
* CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
* downloaded image area. We initalize DRAM as soon as we can so that
* we can place stack, malloc and BSS there. We load U-Boot itself into
* memory at 0x80800000 for legacy reasons (to not conflict with older
* SPLs). We have our BSS be placed 2MiB after this, to allow for the
* default Linux kernel address of 0x80008000 to work with most sized
* kernels, in the Falcon Mode case. We have the SPL malloc pool at the
* end of the BSS area. We suggest that the stack be placed at 32MiB after
* the start of DRAM to allow room for all of the above (handled in Kconfig).
*/
#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_MMCSD_FS_BOOT_PARTITION 1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
#ifdef CONFIG_SPL_OS_BOOT
/* FAT */
#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
#define CONFIG_SPL_FS_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
#define CONFIG_SPL_EXT_SUPPORT
#endif
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_THUMB_BUILD /* Thumbs mode to save space in SPL */
#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_POWER_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
#endif
#endif /* !CONFIG_NOR_BOOT */
/* Generic Environment Variables */
#ifdef CONFIG_CMD_NET
#define NETARGS \
"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
"::off\0" \
"nfsopts=nolock\0" \
"rootpath=/export/rootfs\0" \
"netloadimage=tftp ${loadaddr} ${bootfile}\0" \
"netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
"netargs=setenv bootargs console=${console} " \
"${optargs} " \
"root=/dev/nfs " \
"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
"ip=dhcp\0" \
"netboot=echo Booting from network ...; " \
"setenv autoload no; " \
"dhcp; " \
"run netloadimage; " \
"run netloadfdt; " \
"run netargs; " \
"bootz ${loadaddr} - ${fdtaddr}\0"
#else
#define NETARGS ""
#endif
#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */
|
