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 #include <asm/arch/iomux-mx23.h>
23 
24 /*
25  * SoC configurations
26  */
27 #define CONFIG_MX23				/* i.MX23 SoC */
28 #define CONFIG_MXS_GPIO				/* GPIO control */
29 #define CONFIG_SYS_HZ		1000		/* Ticks per second */
30 
31 #define CONFIG_MACH_TYPE	4105
32 
33 #include <asm/arch/regs-base.h>
34 
35 #define CONFIG_SYS_NO_FLASH
36 #define CONFIG_BOARD_EARLY_INIT_F
37 #define CONFIG_ARCH_MISC_INIT
38 
39 /*
40  * SPL
41  */
42 #define CONFIG_SPL
43 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
44 #define CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
45 #define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
46 #define CONFIG_SPL_LIBCOMMON_SUPPORT
47 #define CONFIG_SPL_LIBGENERIC_SUPPORT
48 #define CONFIG_SPL_GPIO_SUPPORT
49 
50 /*
51  * U-Boot Commands
52  */
53 #include <config_cmd_default.h>
54 #define CONFIG_DISPLAY_CPUINFO
55 #define CONFIG_DOS_PARTITION
56 
57 #define CONFIG_CMD_CACHE
58 #define CONFIG_CMD_DHCP
59 #define CONFIG_CMD_EXT2
60 #define CONFIG_CMD_FAT
61 #define CONFIG_CMD_GPIO
62 #define CONFIG_CMD_LED
63 #define CONFIG_CMD_MMC
64 #define CONFIG_CMD_NET
65 #define CONFIG_CMD_USB
66 
67 /*
68  * Memory configurations
69  */
70 #define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
71 #define PHYS_SDRAM_1			0x40000000	/* Base address */
72 #define PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
73 #define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
74 #define CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
75 #define CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
76 #define CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
77 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
78 /* Point initial SP in SRAM so SPL can use it too. */
79 
80 #define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
81 #define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)
82 
83 #define CONFIG_SYS_INIT_SP_OFFSET \
84 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
85 #define CONFIG_SYS_INIT_SP_ADDR \
86 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
87 /*
88  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
89  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
90  * binary. In case there was more of this mess, 0x100 bytes are skipped.
91  */
92 #define CONFIG_SYS_TEXT_BASE		0x40000100
93 
94 /*
95  * U-Boot general configurations
96  */
97 #define CONFIG_SYS_LONGHELP
98 #define CONFIG_SYS_PROMPT	"=> "
99 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
100 #define CONFIG_SYS_PBSIZE	\
101 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
102 						/* Print buffer size */
103 #define CONFIG_SYS_MAXARGS	32		/* Max number of command args */
104 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
105 						/* Boot argument buffer size */
106 #define CONFIG_VERSION_VARIABLE			/* U-BOOT version */
107 #define CONFIG_AUTO_COMPLETE			/* Command auto complete */
108 #define CONFIG_CMDLINE_EDITING			/* Command history etc */
109 #define CONFIG_SYS_HUSH_PARSER
110 
111 /*
112  * Serial Driver
113  */
114 #define CONFIG_PL011_SERIAL
115 #define CONFIG_PL011_CLOCK		24000000
116 #define CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
117 #define CONFIG_CONS_INDEX		0
118 #define CONFIG_BAUDRATE			115200	/* Default baud rate */
119 
120 /*
121  * Status LED
122  */
123 #define CONFIG_STATUS_LED
124 #define CONFIG_GPIO_LED
125 #define CONFIG_BOARD_SPECIFIC_LED
126 #define STATUS_LED_BOOT	0
127 #define STATUS_LED_BIT	MX23_PAD_SSP1_DETECT__GPIO_2_1
128 #define STATUS_LED_STATE	STATUS_LED_ON
129 #define STATUS_LED_PERIOD	(CONFIG_SYS_HZ / 2)
130 
131 /*
132  * MMC Driver
133  */
134 #ifdef CONFIG_CMD_MMC
135 #define CONFIG_MMC
136 #define CONFIG_BOUNCE_BUFFER
137 #define CONFIG_GENERIC_MMC
138 #define CONFIG_MXS_MMC
139 #endif
140 
141 /*
142  * APBH DMA
143  */
144 #define CONFIG_APBH_DMA
145 
146 /* USB */
147 #ifdef CONFIG_CMD_USB
148 #define CONFIG_USB_EHCI
149 #define CONFIG_USB_EHCI_MXS
150 #define CONFIG_EHCI_MXS_PORT0
151 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
152 #define CONFIG_EHCI_IS_TDI
153 #define CONFIG_USB_STORAGE
154 #endif
155 
156 /* Ethernet */
157 #ifdef CONFIG_CMD_NET
158 #define CONFIG_USB_HOST_ETHER
159 #define CONFIG_USB_ETHER_SMSC95XX
160 #endif
161 
162 /*
163  * Boot Linux
164  */
165 #define CONFIG_CMDLINE_TAG
166 #define CONFIG_SETUP_MEMORY_TAGS
167 #define CONFIG_BOOTDELAY	3
168 #define CONFIG_BOOTFILE		"uImage"
169 #define CONFIG_LOADADDR		0x42000000
170 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
171 #define CONFIG_OF_LIBFDT
172 
173 /*
174  * Environment
175  */
176 #define CONFIG_ENV_IS_IN_MMC
177 #define CONFIG_ENV_OVERWRITE
178 #ifdef CONFIG_ENV_IS_IN_MMC
179 #define CONFIG_ENV_OFFSET	(256 * 1024)
180 #define CONFIG_ENV_SIZE	(16 * 1024)
181 #define CONFIG_SYS_MMC_ENV_DEV 0
182 #endif
183 
184 /*
185  * Extra Environments
186  */
187 #define CONFIG_EXTRA_ENV_SETTINGS \
188 	"update_sd_firmware_filename=u-boot.sd\0" \
189 	"update_sd_firmware="		/* Update the SD firmware partition */ \
190 		"if mmc rescan ; then "	\
191 		"if tftp ${update_sd_firmware_filename} ; then " \
192 		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
193 		"setexpr fw_sz ${fw_sz} + 1 ; "	\
194 		"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
195 		"fi ; "	\
196 		"fi\0" \
197 	"script=boot.scr\0"	\
198 	"uimage=uImage\0" \
199 	"console=ttyAMA0\0" \
200 	"fdt_file=imx23-olinuxino.dtb\0" \
201 	"fdt_addr=0x41000000\0" \
202 	"boot_fdt=try\0" \
203 	"ip_dyn=yes\0" \
204 	"mmcdev=0\0" \
205 	"mmcpart=2\0" \
206 	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
207 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
208 		"root=${mmcroot}\0" \
209 	"loadbootscript="  \
210 		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
211 	"bootscript=echo Running bootscript from mmc ...; "	\
212 		"source\0" \
213 	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
214 	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
215 	"mmcboot=echo Booting from mmc ...; " \
216 		"run mmcargs; " \
217 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
218 			"if run loadfdt; then " \
219 				"bootm ${loadaddr} - ${fdt_addr}; " \
220 			"else " \
221 				"if test ${boot_fdt} = try; then " \
222 					"bootm; " \
223 				"else " \
224 					"echo WARN: Cannot load the DT; " \
225 				"fi; " \
226 			"fi; " \
227 		"else " \
228 			"bootm; " \
229 		"fi;\0" \
230 	"netargs=setenv bootargs console=${console},${baudrate} " \
231 		"root=/dev/nfs " \
232 		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
233 	"netboot=echo Booting from net ...; " \
234 		"usb start; " \
235 		"run netargs; "	\
236 		"if test ${ip_dyn} = yes; then " \
237 			"setenv get_cmd dhcp; " \
238 		"else " \
239 			"setenv get_cmd tftp; " \
240 		"fi; " \
241 		"${get_cmd} ${uimage}; " \
242 		"if test ${boot_fdt} = yes; then " \
243 			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
244 				"bootm ${loadaddr} - ${fdt_addr}; " \
245 			"else " \
246 				"if test ${boot_fdt} = try; then " \
247 					"bootm; " \
248 				"else " \
249 					"echo WARN: Cannot load the DT; " \
250 				"fi;" \
251 			"fi; " \
252 		"else " \
253 			"bootm; " \
254 		"fi;\0"
255 
256 #define CONFIG_BOOTCOMMAND \
257 	"mmc dev ${mmcdev}; if mmc rescan; then " \
258 		"if run loadbootscript; then " \
259 			"run bootscript; " \
260 		"else " \
261 			"if run loaduimage; then " \
262 				"run mmcboot; " \
263 			"else run netboot; " \
264 			"fi; " \
265 		"fi; " \
266 	"else run netboot; fi"
267 
268 #endif /* __MX23_OLINUXINO_CONFIG_H__ */
269