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
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
|
/*
* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
* on behalf of DENX Software Engineering GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __M28_H__
#define __M28_H__
#include <asm/arch/regs-base.h>
/*
* SoC configurations
*/
#define CONFIG_MX28 /* i.MX28 SoC */
#define CONFIG_MXS_GPIO /* GPIO control */
#define CONFIG_SYS_HZ 1000 /* Ticks per second */
/*
* Define M28EVK machine type by hand until it lands in mach-types
*/
#define MACH_TYPE_M28EVK 3613
#define CONFIG_MACH_TYPE MACH_TYPE_M28EVK
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_ARCH_MISC_INIT
#define CONFIG_OF_LIBFDT
/*
* SPL
*/
#define CONFIG_SPL
#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mx28"
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds"
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
/*
* U-Boot Commands
*/
#include <config_cmd_default.h>
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DOS_PARTITION
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MII
#define CONFIG_CMD_MMC
#define CONFIG_CMD_NAND
#define CONFIG_CMD_NET
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PING
#define CONFIG_CMD_SETEXPR
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
#define CONFIG_CMD_USB
/*
* Memory configurations
*/
#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
#define PHYS_SDRAM_1 0x40000000 /* Base address */
#define PHYS_SDRAM_1_SIZE 0x20000000 /* Max 512 MB RAM */
#define CONFIG_STACKSIZE 0x00010000 /* 128 KB stack */
#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
/* Point initial SP in SRAM so SPL can use it too. */
#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
#define CONFIG_SYS_INIT_SP_OFFSET \
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/*
* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
* binary. In case there was more of this mess, 0x100 bytes are skipped.
*/
#define CONFIG_SYS_TEXT_BASE 0x40000100
/*
* U-Boot general configurations
*/
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_PROMPT "=> "
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
#define CONFIG_SYS_PBSIZE \
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
/* Print buffer size */
#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
/* Boot argument buffer size */
#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
#define CONFIG_AUTO_COMPLETE /* Command auto complete */
#define CONFIG_CMDLINE_EDITING /* Command history etc */
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
/*
* Serial Driver
*/
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK 24000000
#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
#define CONFIG_CONS_INDEX 0
#define CONFIG_BAUDRATE 115200 /* Default baud rate */
/*
* MMC Driver
*/
#ifdef CONFIG_CMD_MMC
#define CONFIG_MMC
#define CONFIG_MMC_BOUNCE_BUFFER
#define CONFIG_GENERIC_MMC
#define CONFIG_MXS_MMC
#endif
/*
* APBH DMA
*/
#define CONFIG_APBH_DMA
/*
* NAND
*/
#define CONFIG_ENV_SIZE (16 * 1024)
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_MXS
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE 0x60000000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
/* Environment is in NAND */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
#define CONFIG_ENV_SECT_SIZE (128 * 1024)
#define CONFIG_ENV_RANGE (512 * 1024)
#define CONFIG_ENV_OFFSET 0x300000
#define CONFIG_ENV_OFFSET_REDUND \
(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
#define CONFIG_CMD_UBI
#define CONFIG_CMD_UBIFS
#define CONFIG_CMD_MTDPARTS
#define CONFIG_RBTREE
#define CONFIG_LZO
#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_PARTITIONS
#define MTDIDS_DEFAULT "nand0=gpmi-nand.0"
#define MTDPARTS_DEFAULT \
"mtdparts=gpmi-nand.0:" \
"3m(bootloader)ro," \
"512k(environment)," \
"512k(redundant-environment)," \
"4m(kernel)," \
"-(filesystem)"
#else
#define CONFIG_ENV_IS_NOWHERE
#endif
/*
* Ethernet on SOC (FEC)
*/
#ifdef CONFIG_CMD_NET
#define CONFIG_ETHPRIME "FEC0"
#define CONFIG_FEC_MXC
#define CONFIG_FEC_MXC_MULTI
#define CONFIG_MII
#define CONFIG_DISCOVER_PHY
#define CONFIG_FEC_XCV_TYPE RMII
#endif
/*
* I2C
*/
#ifdef CONFIG_CMD_I2C
#define CONFIG_I2C_MXS
#define CONFIG_HARD_I2C
#define CONFIG_SYS_I2C_SPEED 400000
#endif
/*
* EEPROM
*/
#ifdef CONFIG_CMD_EEPROM
#define CONFIG_SYS_I2C_MULTI_EEPROMS
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
#endif
/*
* RTC
*/
#ifdef CONFIG_CMD_DATE
/* Use the internal RTC in the MXS chip */
#define CONFIG_RTC_INTERNAL
#ifdef CONFIG_RTC_INTERNAL
#define CONFIG_RTC_MXS
#else
#define CONFIG_RTC_M41T62
#define CONFIG_SYS_I2C_RTC_ADDR 0x68
#define CONFIG_SYS_M41T11_BASE_YEAR 2000
#endif
#endif
/*
* USB
*/
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MXS
#define CONFIG_EHCI_MXS_PORT 1
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_STORAGE
#endif
/*
* SPI
*/
#ifdef CONFIG_CMD_SPI
#define CONFIG_HARD_SPI
#define CONFIG_MXS_SPI
#define CONFIG_SPI_HALF_DUPLEX
#define CONFIG_DEFAULT_SPI_BUS 2
#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
/* SPI FLASH */
#ifdef CONFIG_CMD_SF
#define CONFIG_SPI_FLASH
#define CONFIG_SPI_FLASH_STMICRO
#define CONFIG_SF_DEFAULT_CS 2
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
#define CONFIG_SF_DEFAULT_SPEED 24000000
#define CONFIG_ENV_SPI_CS 0
#define CONFIG_ENV_SPI_BUS 2
#define CONFIG_ENV_SPI_MAX_HZ 24000000
#define CONFIG_ENV_SPI_MODE SPI_MODE_0
#endif
#endif
/*
* Boot Linux
*/
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTFILE "uImage"
#define CONFIG_BOOTARGS "console=ttyAM0,115200n8 "
#define CONFIG_BOOTCOMMAND "run bootcmd_net"
#define CONFIG_LOADADDR 0x42000000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_OF_LIBFDT
/*
* Extra Environments
*/
#define CONFIG_EXTRA_ENV_SETTINGS \
"update_nand_full_filename=u-boot.nand\0" \
"update_nand_firmware_filename=u-boot.sb\0" \
"update_sd_firmware_filename=u-boot.sd\0" \
"update_nand_firmware_maxsz=0x100000\0" \
"update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \
"update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \
"update_nand_get_fcb_size=" /* Get size of FCB blocks */ \
"nand device 0 ; " \
"nand info ; " \
"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
"update_nand_full=" /* Update FCB, DBBT and FW */ \
"if tftp ${update_nand_full_filename} ; then " \
"run update_nand_get_fcb_size ; " \
"nand scrub -y 0x0 ${filesize} ; " \
"nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; " \
"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
"fi\0" \
"update_nand_firmware=" /* Update only firmware */ \
"if tftp ${update_nand_firmware_filename} ; then " \
"run update_nand_get_fcb_size ; " \
"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \
"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
"nand erase ${fcb_sz} ${fw_sz} ; " \
"nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \
"nand write ${loadaddr} ${fw_off} ${filesize} ; " \
"fi\0" \
"update_sd_firmware=" /* Update the SD firmware partition */ \
"if mmc rescan ; then " \
"if tftp ${update_sd_firmware_filename} ; then " \
"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
"setexpr fw_sz ${fw_sz} + 1 ; " \
"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
"fi ; " \
"fi\0"
#endif /* __M28_H__ */
|
