1 /*
2  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 #ifndef __MX23_OLINUXINO_CONFIG_H__
20 #define __MX23_OLINUXINO_CONFIG_H__
21 
22 /*
23  * SoC configurations
24  */
25 #define	CONFIG_MX23				/* i.MX23 SoC */
26 #define	CONFIG_MXS_GPIO				/* GPIO control */
27 #define	CONFIG_SYS_HZ		1000		/* Ticks per second */
28 
29 #define	CONFIG_MACH_TYPE	4105
30 
31 #include <asm/arch/regs-base.h>
32 
33 #define	CONFIG_SYS_NO_FLASH
34 #define	CONFIG_BOARD_EARLY_INIT_F
35 #define	CONFIG_ARCH_MISC_INIT
36 
37 /*
38  * SPL
39  */
40 #define	CONFIG_SPL
41 #define	CONFIG_SPL_NO_CPU_SUPPORT_CODE
42 #define	CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
43 #define	CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
44 #define	CONFIG_SPL_LIBCOMMON_SUPPORT
45 #define	CONFIG_SPL_LIBGENERIC_SUPPORT
46 #define	CONFIG_SPL_GPIO_SUPPORT
47 
48 /*
49  * U-Boot Commands
50  */
51 #include <config_cmd_default.h>
52 #define	CONFIG_DISPLAY_CPUINFO
53 #define	CONFIG_DOS_PARTITION
54 
55 #define	CONFIG_CMD_CACHE
56 #define	CONFIG_CMD_EXT2
57 #define	CONFIG_CMD_FAT
58 #define	CONFIG_CMD_GPIO
59 #define	CONFIG_CMD_MMC
60 
61 /*
62  * Memory configurations
63  */
64 #define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
65 #define	PHYS_SDRAM_1			0x40000000	/* Base address */
66 #define	PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
67 #define	CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
68 #define	CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
69 #define	CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
70 #define	CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
71 #define	CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
72 /* Point initial SP in SRAM so SPL can use it too. */
73 
74 #define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
75 #define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)
76 
77 #define CONFIG_SYS_INIT_SP_OFFSET \
78 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
79 #define CONFIG_SYS_INIT_SP_ADDR \
80 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
81 /*
82  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
83  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
84  * binary. In case there was more of this mess, 0x100 bytes are skipped.
85  */
86 #define	CONFIG_SYS_TEXT_BASE		0x40000100
87 
88 /*
89  * U-Boot general configurations
90  */
91 #define	CONFIG_SYS_LONGHELP
92 #define	CONFIG_SYS_PROMPT	"=> "
93 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
94 #define	CONFIG_SYS_PBSIZE	\
95 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
96 						/* Print buffer size */
97 #define	CONFIG_SYS_MAXARGS	32		/* Max number of command args */
98 #define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
99 						/* Boot argument buffer size */
100 #define	CONFIG_VERSION_VARIABLE			/* U-BOOT version */
101 #define	CONFIG_AUTO_COMPLETE			/* Command auto complete */
102 #define	CONFIG_CMDLINE_EDITING			/* Command history etc */
103 #define	CONFIG_SYS_HUSH_PARSER
104 
105 /*
106  * Serial Driver
107  */
108 #define	CONFIG_PL011_SERIAL
109 #define	CONFIG_PL011_CLOCK		24000000
110 #define	CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
111 #define	CONFIG_CONS_INDEX		0
112 #define	CONFIG_BAUDRATE			115200	/* Default baud rate */
113 
114 /*
115  * MMC Driver
116  */
117 #ifdef	CONFIG_CMD_MMC
118 #define CONFIG_MMC
119 #define CONFIG_BOUNCE_BUFFER
120 #define CONFIG_GENERIC_MMC
121 #define CONFIG_MXS_MMC
122 #endif
123 
124 /*
125  * APBH DMA
126  */
127 #define CONFIG_APBH_DMA
128 
129 /*
130  * Boot Linux
131  */
132 #define	CONFIG_CMDLINE_TAG
133 #define	CONFIG_SETUP_MEMORY_TAGS
134 #define	CONFIG_BOOTDELAY	3
135 #define	CONFIG_BOOTFILE		"uImage"
136 #define	CONFIG_LOADADDR		0x42000000
137 #define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
138 #define	CONFIG_OF_LIBFDT
139 
140 /*
141  * Environment
142  */
143 #define	CONFIG_ENV_IS_IN_MMC
144 #define	CONFIG_ENV_OVERWRITE
145 #ifdef	CONFIG_ENV_IS_IN_MMC
146 #define	CONFIG_ENV_OFFSET	(256 * 1024)
147 #define	CONFIG_ENV_SIZE	(16 * 1024)
148 #define	CONFIG_SYS_MMC_ENV_DEV 0
149 #endif
150 
151 /*
152  * Extra Environments
153  */
154 #define CONFIG_EXTRA_ENV_SETTINGS \
155 	"update_sd_firmware_filename=u-boot.sd\0" \
156 	"update_sd_firmware="		/* Update the SD firmware partition */ \
157 		"if mmc rescan ; then "	\
158 		"if tftp ${update_sd_firmware_filename} ; then " \
159 		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
160 		"setexpr fw_sz ${fw_sz} + 1 ; "	\
161 		"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
162 		"fi ; "	\
163 		"fi\0" \
164 	"script=boot.scr\0"	\
165 	"uimage=uImage\0" \
166 	"console=ttyAMA0\0" \
167 	"fdt_file=imx23-olinuxino.dtb\0" \
168 	"fdt_addr=0x41000000\0" \
169 	"boot_fdt=try\0" \
170 	"mmcdev=0\0" \
171 	"mmcpart=2\0" \
172 	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
173 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
174 		"root=${mmcroot}\0" \
175 	"loadbootscript="  \
176 		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
177 	"bootscript=echo Running bootscript from mmc ...; "	\
178 		"source\0" \
179 	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
180 	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
181 	"mmcboot=echo Booting from mmc ...; " \
182 		"run mmcargs; " \
183 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
184 			"if run loadfdt; then " \
185 				"bootm ${loadaddr} - ${fdt_addr}; " \
186 			"else " \
187 				"if test ${boot_fdt} = try; then " \
188 					"bootm; " \
189 				"else " \
190 					"echo WARN: Cannot load the DT; " \
191 				"fi; " \
192 			"fi; " \
193 		"else " \
194 			"bootm; " \
195 		"fi;\0"
196 
197 #define CONFIG_BOOTCOMMAND \
198 	"mmc dev ${mmcdev}; if mmc rescan; then " \
199 		"if run loadbootscript; then " \
200 			"run bootscript; " \
201 		"else " \
202 			"if run loaduimage; then " \
203 				"run mmcboot; " \
204 			"else " \
205 				"echo ERR: Fail to boot from MMC; " \
206 			"fi; " \
207 		"fi; " \
208 	"else exit; fi"
209 
210 #endif /* __MX23_OLINUXINO_CONFIG_H__ */
211