1 /*
2  * (C) Copyright 2009 DENX Software Engineering
3  * Author: John Rigby <jrigby@gmail.com>
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 
21 #ifndef __CONFIG_H
22 #define __CONFIG_H
23 
24 
25 /*
26  * KARO TX25 board - SoC Configuration
27  */
28 #define CONFIG_ARM926EJS			/* arm926ejs CPU core */
29 #define CONFIG_MX25
30 #define CONFIG_TX25
31 #define CONFIG_MX25_CLK32		32000	/* OSC32K frequency */
32 #define CONFIG_SYS_HZ			1000
33 
34 #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* 256 kB for U-Boot */
35 
36 /* NAND BOOT is the only boot method */
37 #define CONFIG_NAND_U_BOOT
38 
39 #ifdef CONFIG_NAND_SPL
40 /* Start copying real U-boot from the second page */
41 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x800
42 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x30000
43 /* Load U-Boot to this address */
44 #define CONFIG_SYS_NAND_U_BOOT_DST	0x81f00000
45 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST
46 
47 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
48 #define CONFIG_SYS_NAND_SPARE_SIZE	64
49 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
50 #define CONFIG_SYS_NAND_PAGE_COUNT	64
51 #define CONFIG_SYS_NAND_SIZE		(128 * 1024 * 1024)
52 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
53 #else
54 #define CONFIG_SKIP_LOWLEVEL_INIT
55 #define CONFIG_SKIP_RELOCATE_UBOOT
56 #endif
57 
58 #define CONFIG_DISPLAY_CPUINFO
59 
60 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
61 #define CONFIG_SETUP_MEMORY_TAGS	1
62 #define CONFIG_INITRD_TAG		1
63 
64 /*
65  * Memory Info
66  */
67 /* malloc() len */
68 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)	/* 1 MiB */
69 /* reserved for initial data */
70 #define CONFIG_SYS_GBL_DATA_SIZE	128
71 /*
72  * Board has 2 32MB banks of DRAM but there is a bug when using
73  * both so only the first is configured
74  */
75 #define CONFIG_NR_DRAM_BANKS	1
76 
77 #define PHYS_SDRAM_1		0x80000000
78 #define PHYS_SDRAM_1_SIZE	0x02000000
79 #if (CONFIG_NR_DRAM_BANKS == 2)
80 #define PHYS_SDRAM_2		0x90000000
81 #define PHYS_SDRAM_2_SIZE	0x02000000
82 #endif
83 /* 8MB DRAM test */
84 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
85 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1+0x0800000)
86 #define CONFIG_STACKSIZE	(256 * 1024)	/* regular stack */
87 
88 /*
89  * Serial Info
90  */
91 #define CONFIG_MXC_UART		1
92 #define CONFIG_SYS_MX25_UART1	1
93 #define CONFIG_CONS_INDEX	1	/* use UART0 for console */
94 #define CONFIG_BAUDRATE		115200	/* Default baud rate */
95 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
96 
97 /*
98  * Flash & Environment
99  */
100 /* No NOR flash present */
101 #define CONFIG_SYS_NO_FLASH	1
102 #define	CONFIG_ENV_IS_IN_NAND
103 #define	CONFIG_ENV_OFFSET	CONFIG_SYS_MONITOR_LEN
104 #define CONFIG_ENV_SIZE		(128 * 1024)	/* 128 kB NAND block size */
105 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
106 
107 /* NAND */
108 #define CONFIG_NAND_MXC
109 #define CONFIG_NAND_MXC_V1_1
110 #define CONFIG_MXC_NAND_REGS_BASE	(0xBB000000)
111 #define CONFIG_SYS_MAX_NAND_DEVICE	1
112 #define CONFIG_SYS_NAND_BASE		(0xBB000000)
113 #define CONFIG_JFFS2_NAND
114 #define CONFIG_MXC_NAND_HWECC
115 #define CONFIG_SYS_NAND_LARGEPAGE
116 
117 #define CONFIG_SYS_64BIT_VSPRINTF
118 
119 /* U-Boot general configuration */
120 #define CONFIG_SYS_PROMPT	"=> "	/* Monitor Command Prompt */
121 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size  */
122 /* Print buffer sz */
123 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
124 		sizeof(CONFIG_SYS_PROMPT) + 16)
125 #define CONFIG_SYS_MAXARGS	32	/* max number of command args */
126 /* Boot Argument Buffer Size */
127 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
128 #define CONFIG_CMDLINE_EDITING
129 #define CONFIG_SYS_LONGHELP
130 
131 /* U-Boot commands */
132 #include <config_cmd_default.h>
133 #define CONFIG_CMD_NAND
134 
135 /*
136  * Ethernet
137  */
138 #define CONFIG_FEC_MXC
139 #define CONFIG_FEC_MXC_PHYADDR		0x1f
140 #define CONFIG_MII
141 #define CONFIG_CMD_NET
142 #define CONFIG_NET_MULTI
143 #define BOARD_LATE_INIT
144 #define CONFIG_ENV_OVERWRITE
145 
146 #define CONFIG_BOOTDELAY	5
147 
148 #define CONFIG_LOADADDR		0x81000000	/* loadaddr env var */
149 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
150 
151 #define xstr(s)	str(s)
152 #define str(s)	#s
153 
154 #define	CONFIG_EXTRA_ENV_SETTINGS					\
155 	"netdev=eth0\0"							\
156 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
157 		"nfsroot=${serverip}:${rootpath}\0"			\
158 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
159 	"addip=setenv bootargs ${bootargs} "				\
160 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
161 		":${hostname}:${netdev}:off panic=1\0"			\
162 	"addtty=setenv bootargs ${bootargs}"				\
163 		" console=ttymxc0,${baudrate}\0"			\
164 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
165 	"addmisc=setenv bootargs ${bootargs}\0"				\
166 	"u-boot=tx25/u-boot.bin\0"					\
167 	"kernel_addr_r=" xstr(CONFIG_LOADADDR) "\0"			\
168 	"hostname=tx25\0"						\
169 	"bootfile=tx25/uImage\0"					\
170 	"rootpath=/opt/eldk/arm\0"					\
171 	"net_nfs=tftp ${kernel_addr_r} ${bootfile};"			\
172 		"run nfsargs addip addtty addmtd addmisc;"		\
173 		"bootm\0"						\
174 	"bootcmd=run net_nfs\0"						\
175 	"load=tftp ${loadaddr} ${u-boot}\0"				\
176 	"update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0"	\
177 	"upd=run load update\0"						\
178 
179 #endif /* __CONFIG_H */
180