xref: /openbmc/u-boot/include/configs/mx23evk.h (revision 37544a6d)
1 /*
2  * Freescale i.MX23 EVK board config
3  *
4  * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
5  * on behalf of O.S. Systems Software LTDA.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
20  *
21  */
22 #ifndef __MX23EVK_CONFIG_H__
23 #define __MX23EVK_CONFIG_H__
24 
25 /* SoC configurations */
26 #define CONFIG_MX23				/* i.MX23 SoC */
27 
28 #include <asm/arch/regs-base.h>
29 
30 #define CONFIG_MXS_GPIO			/* GPIO control */
31 #define CONFIG_SYS_HZ		1000		/* Ticks per second */
32 
33 #define CONFIG_MACH_TYPE	MACH_TYPE_MX23EVK
34 
35 #define CONFIG_SYS_NO_FLASH
36 #define CONFIG_BOARD_EARLY_INIT_F
37 #define CONFIG_ARCH_MISC_INIT
38 
39 /* SPL */
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 /* U-Boot Commands */
49 #include <config_cmd_default.h>
50 #undef CONFIG_CMD_NET
51 #undef CONFIG_CMD_NFS
52 
53 #define CONFIG_DISPLAY_CPUINFO
54 #define CONFIG_DOS_PARTITION
55 
56 #define CONFIG_CMD_CACHE
57 #define CONFIG_CMD_EXT2
58 #define CONFIG_CMD_FAT
59 #define CONFIG_CMD_GPIO
60 #define CONFIG_CMD_MMC
61 #define CONFIG_CMD_USB
62 #define CONFIG_CMD_BOOTZ
63 #define CONFIG_VIDEO
64 
65 /* Memory configurations */
66 #define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
67 #define PHYS_SDRAM_1			0x40000000	/* Base address */
68 #define PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
69 #define CONFIG_STACKSIZE		(128 * 1024)	/* 128 KB stack */
70 #define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
71 #define CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
72 #define CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
73 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
74 /* Point initial SP in SRAM so SPL can use it too. */
75 
76 #define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
77 #define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)
78 
79 #define CONFIG_SYS_INIT_SP_OFFSET \
80 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
81 #define CONFIG_SYS_INIT_SP_ADDR \
82 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
83 
84 /*
85  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
86  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
87  * binary. In case there was more of this mess, 0x100 bytes are skipped.
88  */
89 #define CONFIG_SYS_TEXT_BASE	0x40000100
90 
91 #define CONFIG_ENV_OVERWRITE
92 
93 /* U-Boot general configurations */
94 #define CONFIG_SYS_LONGHELP
95 #define CONFIG_SYS_PROMPT	"=> "
96 #define CONFIG_SYS_CBSIZE	256		/* Console I/O buffer size */
97 #define CONFIG_SYS_PBSIZE	\
98 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
99 						/* Print buffer size */
100 #define CONFIG_SYS_MAXARGS	32		/* Max number of command args */
101 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
102 						/* Boot argument buffer size */
103 #define CONFIG_VERSION_VARIABLE	/* U-BOOT version */
104 #define CONFIG_AUTO_COMPLETE		/* Command auto complete */
105 #define CONFIG_CMDLINE_EDITING		/* Command history etc */
106 #define CONFIG_SYS_HUSH_PARSER
107 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
108 
109 /* Serial Driver */
110 #define CONFIG_PL011_SERIAL
111 #define CONFIG_PL011_CLOCK		24000000
112 #define CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
113 #define CONFIG_CONS_INDEX		0
114 #define CONFIG_BAUDRATE			115200	/* Default baud rate */
115 
116 /* DMA */
117 #define CONFIG_APBH_DMA
118 
119 /* MMC Driver */
120 #ifdef	CONFIG_CMD_MMC
121 #define CONFIG_MMC
122 #define CONFIG_GENERIC_MMC
123 #define CONFIG_BOUNCE_BUFFER
124 #define CONFIG_MXS_MMC
125 #endif
126 
127 /* USB */
128 #ifdef	CONFIG_CMD_USB
129 #define CONFIG_USB_EHCI
130 #define CONFIG_USB_EHCI_MXS
131 #define CONFIG_EHCI_MXS_PORT0
132 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
133 #define CONFIG_EHCI_IS_TDI
134 #define CONFIG_USB_STORAGE
135 #endif
136 
137 /* Framebuffer support */
138 #ifdef CONFIG_VIDEO
139 #define CONFIG_CFB_CONSOLE
140 #define CONFIG_VIDEO_MXS
141 #define CONFIG_VIDEO_LOGO
142 #define CONFIG_VIDEO_SW_CURSOR
143 #define CONFIG_VGA_AS_SINGLE_DEVICE
144 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
145 #define CONFIG_SPLASH_SCREEN
146 #define CONFIG_CMD_BMP
147 #define CONFIG_BMP_16BPP
148 #define CONFIG_VIDEO_BMP_RLE8
149 #define CONFIG_VIDEO_BMP_GZIP
150 #define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(512 << 10)
151 #endif
152 
153 /* Boot Linux */
154 #define CONFIG_CMDLINE_TAG
155 #define CONFIG_SETUP_MEMORY_TAGS
156 #define CONFIG_BOOTDELAY	1
157 #define CONFIG_BOOTFILE	"uImage"
158 #define CONFIG_LOADADDR	0x42000000
159 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
160 #define CONFIG_OF_LIBFDT
161 
162 /* Environment */
163 #define CONFIG_ENV_IS_IN_MMC
164 #ifdef CONFIG_ENV_IS_IN_MMC
165  #define CONFIG_ENV_OFFSET	(256 * 1024)
166  #define CONFIG_ENV_SIZE	(16 * 1024)
167  #define CONFIG_SYS_MMC_ENV_DEV 0
168 #endif
169 
170 /* Extra Environments */
171 #define CONFIG_EXTRA_ENV_SETTINGS \
172 	"update_sd_firmware_filename=u-boot.sd\0" \
173 	"update_sd_firmware="		/* Update the SD firmware partition */ \
174 		"if mmc rescan ; then "	\
175 		"if tftp ${update_sd_firmware_filename} ; then " \
176 		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
177 		"setexpr fw_sz ${fw_sz} + 1 ; "	\
178 		"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
179 		"fi ; "	\
180 		"fi\0" \
181 	"script=boot.scr\0"	\
182 	"uimage=uImage\0" \
183 	"console=ttyAMA0\0" \
184 	"fdt_file=imx23-evk.dtb\0" \
185 	"fdt_addr=0x41000000\0" \
186 	"boot_fdt=try\0" \
187 	"mmcdev=0\0" \
188 	"mmcpart=2\0" \
189 	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
190 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
191 		"root=${mmcroot}\0" \
192 	"loadbootscript="  \
193 		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
194 	"bootscript=echo Running bootscript from mmc ...; "	\
195 		"source\0" \
196 	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
197 	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
198 	"mmcboot=echo Booting from mmc ...; " \
199 		"run mmcargs; " \
200 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
201 			"if run loadfdt; then " \
202 				"bootm ${loadaddr} - ${fdt_addr}; " \
203 			"else " \
204 				"if test ${boot_fdt} = try; then " \
205 					"bootm; " \
206 				"else " \
207 					"echo WARN: Cannot load the DT; " \
208 				"fi; " \
209 			"fi; " \
210 		"else " \
211 			"bootm; " \
212 		"fi;\0"
213 
214 #define CONFIG_BOOTCOMMAND \
215 	"mmc dev ${mmcdev}; if mmc rescan; then " \
216 		"if run loadbootscript; then " \
217 			"run bootscript; " \
218 		"else " \
219 			"if run loaduimage; then " \
220 				"run mmcboot; " \
221 			"else " \
222 				"echo ERR: Fail to boot from MMC; " \
223 			"fi; " \
224 		"fi; " \
225 	"else exit; fi"
226 
227 #endif /* __MX23EVK_CONFIG_H__ */
228