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Marek Vasut78687b72011-11-08 23:18:20 +00001/*
2 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
3 * on behalf of DENX Software Engineering GmbH
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18 * MA 02111-1307 USA
19 */
20#ifndef __M28_H__
21#define __M28_H__
22
23#include <asm/arch/regs-base.h>
24
25/*
26 * SoC configurations
27 */
28#define CONFIG_MX28 /* i.MX28 SoC */
29#define CONFIG_MXS_GPIO /* GPIO control */
30#define CONFIG_SYS_HZ 1000 /* Ticks per second */
31
32/*
33 * Define M28EVK machine type by hand until it lands in mach-types
34 */
35#define MACH_TYPE_M28EVK 3613
36
37#define CONFIG_MACH_TYPE MACH_TYPE_M28EVK
38
39#define CONFIG_SYS_NO_FLASH
40#define CONFIG_SYS_ICACHE_OFF
41#define CONFIG_SYS_DCACHE_OFF
42#define CONFIG_BOARD_EARLY_INIT_F
43#define CONFIG_ARCH_CPU_INIT
44
45/*
Marek Vasut926227e2011-11-08 23:18:21 +000046 * SPL
47 */
48#define CONFIG_SPL
49#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
50#define CONFIG_SPL_START_S_PATH "board/denx/m28evk"
51#define CONFIG_SPL_LDSCRIPT "board/denx/m28evk/u-boot-spl.lds"
52
53/*
Marek Vasut78687b72011-11-08 23:18:20 +000054 * U-Boot Commands
55 */
56#include <config_cmd_default.h>
57#define CONFIG_DISPLAY_CPUINFO
58#define CONFIG_DOS_PARTITION
59
60#define CONFIG_CMD_CACHE
61#define CONFIG_CMD_DATE
62#define CONFIG_CMD_DHCP
63#define CONFIG_CMD_EEPROM
64#define CONFIG_CMD_EXT2
65#define CONFIG_CMD_FAT
66#define CONFIG_CMD_GPIO
67#define CONFIG_CMD_I2C
68#define CONFIG_CMD_MII
69#define CONFIG_CMD_MMC
70#define CONFIG_CMD_NAND
71#define CONFIG_CMD_NET
72#define CONFIG_CMD_NFS
73#define CONFIG_CMD_PING
74#define CONFIG_CMD_SETEXPR
75#define CONFIG_CMD_SF
76#define CONFIG_CMD_SPI
77
78/*
79 * Memory configurations
80 */
81#define CONFIG_NR_DRAM_BANKS 1 /* 2 banks of DRAM */
82#define PHYS_SDRAM_1 0x40000000 /* Base address */
83#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */
84#define CONFIG_STACKSIZE 0x00010000 /* 128 KB stack */
85#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
86#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
87#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
88#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
89#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
90/* Point initial SP in SRAM so SPL can use it too. */
91#define CONFIG_SYS_INIT_SP_ADDR 0x00002000
92/*
93 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
94 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
95 * binary. In case there was more of this mess, 0x100 bytes are skipped.
96 */
97#define CONFIG_SYS_TEXT_BASE 0x40000100
98
99/*
100 * U-Boot general configurations
101 */
102#define CONFIG_SYS_LONGHELP
103#define CONFIG_SYS_PROMPT "=> "
104#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
105#define CONFIG_SYS_PBSIZE \
106 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
107 /* Print buffer size */
108#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
109#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
110 /* Boot argument buffer size */
111#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
112#define CONFIG_AUTO_COMPLETE /* Command auto complete */
113#define CONFIG_CMDLINE_EDITING /* Command history etc */
114#define CONFIG_SYS_HUSH_PARSER
115#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
116
117/*
118 * Serial Driver
119 */
120#define CONFIG_PL011_SERIAL
121#define CONFIG_PL011_CLOCK 24000000
122#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
123#define CONFIG_CONS_INDEX 0
124#define CONFIG_BAUDRATE 115200 /* Default baud rate */
125#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
126
127/*
128 * MMC Driver
129 */
130#ifdef CONFIG_CMD_MMC
131#define CONFIG_MMC
132#define CONFIG_GENERIC_MMC
133#define CONFIG_MXS_MMC
134#endif
135
136/*
137 * NAND
138 */
139#ifdef CONFIG_CMD_NAND
140#define CONFIG_NAND_MXS
141#define CONFIG_APBH_DMA
142#define CONFIG_SYS_MAX_NAND_DEVICE 1
143#define CONFIG_SYS_NAND_BASE 0x60000000
144#define CONFIG_SYS_NAND_5_ADDR_CYCLE
145#define NAND_MAX_CHIPS 8
146
147/* Environment is in NAND */
148#define CONFIG_ENV_IS_IN_NAND
149#define CONFIG_ENV_SIZE (16 * 1024)
150#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
151#define CONFIG_ENV_SECT_SIZE (128 * 1024)
152#define CONFIG_ENV_RANGE (512 * 1024)
153#define CONFIG_ENV_OFFSET 0x300000
154#define CONFIG_ENV_OFFSET_REDUND \
155 (CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
156
157#define CONFIG_CMD_UBI
158#define CONFIG_CMD_UBIFS
159#define CONFIG_CMD_MTDPARTS
160#define CONFIG_RBTREE
161#define CONFIG_LZO
162#define CONFIG_MTD_DEVICE
163#define CONFIG_MTD_PARTITIONS
164#define MTDIDS_DEFAULT "nand0=gpmi-nand.0"
165#define MTDPARTS_DEFAULT \
166 "mtdparts=gpmi-nand.0:" \
167 "3m(bootloader)ro," \
168 "512k(environment)," \
169 "512k(redundant-environment)," \
170 "4m(kernel)," \
171 "-(filesystem)"
172#endif
173
174/*
175 * Ethernet on SOC (FEC)
176 */
177#ifdef CONFIG_CMD_NET
178#define CONFIG_NET_MULTI
179#define CONFIG_ETHPRIME "FEC0"
180#define CONFIG_FEC_MXC
181#define CONFIG_FEC_MXC_MULTI
182#define CONFIG_MII
183#define CONFIG_DISCOVER_PHY
184#define CONFIG_FEC_XCV_TYPE RMII
185#endif
186
187/*
188 * I2C
189 */
190#ifdef CONFIG_CMD_I2C
191#define CONFIG_I2C_MXS
192#define CONFIG_HARD_I2C
193#define CONFIG_SYS_I2C_SPEED 400000
194#endif
195
196/*
197 * EEPROM
198 */
199#ifdef CONFIG_CMD_EEPROM
200#define CONFIG_SYS_I2C_MULTI_EEPROMS
201#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
202#endif
203
204/*
205 * RTC
206 */
207#ifdef CONFIG_CMD_DATE
208/* Use the internal RTC in the MXS chip */
209#define CONFIG_RTC_INTERNAL
210#ifdef CONFIG_RTC_INTERNAL
211#define CONFIG_RTC_MXS
212#else
213#define CONFIG_RTC_M41T62
214#define CONFIG_SYS_I2C_RTC_ADDR 0x68
215#define CONFIG_SYS_M41T11_BASE_YEAR 2000
216#endif
217#endif
218
219/*
220 * SPI
221 */
222#ifdef CONFIG_CMD_SPI
223#define CONFIG_HARD_SPI
224#define CONFIG_MXS_SPI
225#define CONFIG_SPI_HALF_DUPLEX
226#define CONFIG_DEFAULT_SPI_BUS 2
227#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
228
229/* SPI FLASH */
230#ifdef CONFIG_CMD_SF
231#define CONFIG_SPI_FLASH
232#define CONFIG_SPI_FLASH_STMICRO
233#define CONFIG_SPI_FLASH_CS 2
234#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
235#define CONFIG_SF_DEFAULT_SPEED 24000000
236
237#define CONFIG_ENV_SPI_CS 0
238#define CONFIG_ENV_SPI_BUS 2
239#define CONFIG_ENV_SPI_MAX_HZ 24000000
240#define CONFIG_ENV_SPI_MODE SPI_MODE_0
241#endif
242#endif
243
244/*
245 * Boot Linux
246 */
247#define CONFIG_CMDLINE_TAG
248#define CONFIG_SETUP_MEMORY_TAGS
249#define CONFIG_BOOTDELAY 3
250#define CONFIG_BOOTFILE "uImage"
251#define CONFIG_BOOTARGS "console=ttyAM0,115200n8 "
252#define CONFIG_BOOTCOMMAND "run bootcmd_net"
253#define CONFIG_LOADADDR 0x42000000
254#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
255
256/*
257 * Extra Environments
258 */
259#define CONFIG_EXTRA_ENV_SETTINGS \
260 "update_nand_full_filename=u-boot.nand\0" \
261 "update_nand_firmware_filename=u-boot.sb\0" \
262 "update_nand_firmware_maxsz=0x100000\0" \
263 "update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \
264 "update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \
265 "update_nand_get_fcb_size=" /* Get size of FCB blocks */ \
266 "nand device 0 ; " \
267 "nand info ; " \
268 "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
269 "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
270 "update_nand_full=" /* Update FCB, DBBT and FW */ \
271 "if tftp ${update_nand_full_filename} ; then " \
272 "run update_nand_get_fcb_size ; " \
273 "nand scrub -y 0x0 ${filesize} ; " \
274 "nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; " \
275 "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
276 "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
277 "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
278 "fi\0" \
279 "update_nand_firmware=" /* Update only firmware */ \
280 "if tftp ${update_nand_firmware_filename} ; then " \
281 "run update_nand_get_fcb_size ; " \
282 "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
283 "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \
284 "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
285 "nand erase ${fcb_sz} ${fw_sz} ; " \
286 "nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \
287 "nand write ${loadaddr} ${fw_off} ${filesize} ; " \
288 "fi\0"
289
290#endif /* __M28_H__ */