summaryrefslogtreecommitdiff
path: root/include/configs/mx23_olinuxino.h
blob: 7983c5d55f6de42750c4bfeef3124bf165c95014 (plain)
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
/*
 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
 *
 * 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 __MX23_OLINUXINO_CONFIG_H__
#define __MX23_OLINUXINO_CONFIG_H__

/*
 * SoC configurations
 */
#define	CONFIG_MX23				/* i.MX23 SoC */
#define	CONFIG_MXS_GPIO				/* GPIO control */
#define	CONFIG_SYS_HZ		1000		/* Ticks per second */

#define	CONFIG_MACH_TYPE	4105

#include <asm/arch/regs-base.h>

#define	CONFIG_SYS_NO_FLASH
#define	CONFIG_BOARD_EARLY_INIT_F
#define	CONFIG_ARCH_MISC_INIT

/*
 * SPL
 */
#define	CONFIG_SPL
#define	CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define	CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
#define	CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/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_EXT2
#define	CONFIG_CMD_FAT
#define	CONFIG_CMD_GPIO
#define	CONFIG_CMD_MMC

/*
 * Memory configurations
 */
#define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
#define	PHYS_SDRAM_1			0x40000000	/* Base address */
#define	PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
#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

/*
 * 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_BOUNCE_BUFFER
#define CONFIG_GENERIC_MMC
#define CONFIG_MXS_MMC
#endif

/*
 * APBH DMA
 */
#define CONFIG_APBH_DMA

/*
 * Boot Linux
 */
#define	CONFIG_CMDLINE_TAG
#define	CONFIG_SETUP_MEMORY_TAGS
#define	CONFIG_BOOTDELAY	3
#define	CONFIG_BOOTFILE		"uImage"
#define	CONFIG_LOADADDR		0x42000000
#define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
#define	CONFIG_OF_LIBFDT

/*
 * Environment
 */
#define	CONFIG_ENV_IS_IN_MMC
#define	CONFIG_ENV_OVERWRITE
#ifdef	CONFIG_ENV_IS_IN_MMC
#define	CONFIG_ENV_OFFSET	(256 * 1024)
#define	CONFIG_ENV_SIZE	(16 * 1024)
#define	CONFIG_SYS_MMC_ENV_DEV 0
#endif

/*
 * Extra Environments
 */
#define CONFIG_EXTRA_ENV_SETTINGS \
	"update_sd_firmware_filename=u-boot.sd\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 ${fw_sz} ; " \
		"fi ; "	\
		"fi\0" \
	"script=boot.scr\0"	\
	"uimage=uImage\0" \
	"console=ttyAMA0\0" \
	"fdt_file=imx23-olinuxino.dtb\0" \
	"fdt_addr=0x41000000\0" \
	"boot_fdt=try\0" \
	"mmcdev=0\0" \
	"mmcpart=2\0" \
	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
	"mmcargs=setenv bootargs console=${console},${baudrate} " \
		"root=${mmcroot}\0" \
	"loadbootscript="  \
		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
	"bootscript=echo Running bootscript from mmc ...; "	\
		"source\0" \
	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
	"mmcboot=echo Booting from mmc ...; " \
		"run mmcargs; " \
		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
			"if run loadfdt; then " \
				"bootm ${loadaddr} - ${fdt_addr}; " \
			"else " \
				"if test ${boot_fdt} = try; then " \
					"bootm; " \
				"else " \
					"echo WARN: Cannot load the DT; " \
				"fi; " \
			"fi; " \
		"else " \
			"bootm; " \
		"fi;\0"

#define CONFIG_BOOTCOMMAND \
	"mmc dev ${mmcdev}; if mmc rescan; then " \
		"if run loadbootscript; then " \
			"run bootscript; " \
		"else " \
			"if run loaduimage; then " \
				"run mmcboot; " \
			"else " \
				"echo ERR: Fail to boot from MMC; " \
			"fi; " \
		"fi; " \
	"else exit; fi"

#endif /* __MX23_OLINUXINO_CONFIG_H__ */