2 * (C) Copyright 2009 DENX Software Engineering
3 * Author: John Rigby <jrigby@gmail.com>
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.
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.
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,
26 * KARO TX25 board - SoC Configuration
28 #define CONFIG_ARM926EJS /* arm926ejs CPU core */
31 #define CONFIG_MX25_CLK32 32000 /* OSC32K frequency */
32 #define CONFIG_SYS_HZ 1000
34 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* 256 kB for U-Boot */
36 /* NAND BOOT is the only boot method */
37 #define CONFIG_NAND_U_BOOT
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
44 #define CONFIG_SYS_NAND_U_BOOT_DST (0x81200000)
45 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST
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
54 #define CONFIG_SKIP_LOWLEVEL_INIT
57 #define CONFIG_DISPLAY_CPUINFO
59 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS 1
61 #define CONFIG_INITRD_TAG 1
67 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
68 /* reserved for initial data */
69 #define CONFIG_SYS_GBL_DATA_SIZE 128
71 * Board has 2 32MB banks of DRAM but there is a bug when using
72 * both so only the first is configured
74 #define CONFIG_NR_DRAM_BANKS 1
76 #define PHYS_SDRAM_1 0x80000000
77 #define PHYS_SDRAM_1_SIZE 0x02000000
78 #if (CONFIG_NR_DRAM_BANKS == 2)
79 #define PHYS_SDRAM_2 0x90000000
80 #define PHYS_SDRAM_2_SIZE 0x02000000
83 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
84 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1+0x0800000)
85 #define CONFIG_STACKSIZE (256 * 1024) /* regular stack */
90 #define CONFIG_MXC_UART 1
91 #define CONFIG_SYS_MX25_UART1 1
92 #define CONFIG_CONS_INDEX 1 /* use UART0 for console */
93 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
94 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
99 /* No NOR flash present */
100 #define CONFIG_SYS_NO_FLASH 1
101 #define CONFIG_ENV_IS_IN_NAND
102 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
103 #define CONFIG_ENV_SIZE (128 * 1024) /* 128 kB NAND block size */
104 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
107 #define CONFIG_NAND_MXC
108 #define CONFIG_NAND_MXC_V1_1
109 #define CONFIG_MXC_NAND_REGS_BASE (0xBB000000)
110 #define CONFIG_SYS_MAX_NAND_DEVICE 1
111 #define CONFIG_SYS_NAND_BASE (0xBB000000)
112 #define CONFIG_JFFS2_NAND
113 #define CONFIG_MXC_NAND_HWECC
114 #define CONFIG_SYS_NAND_LARGEPAGE
116 #define CONFIG_SYS_64BIT_VSPRINTF
118 /* U-Boot general configuration */
119 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
120 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
121 /* Print buffer sz */
122 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
123 sizeof(CONFIG_SYS_PROMPT) + 16)
124 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */
125 /* Boot Argument Buffer Size */
126 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
127 #define CONFIG_CMDLINE_EDITING
128 #define CONFIG_SYS_LONGHELP
130 /* U-Boot commands */
131 #include <config_cmd_default.h>
132 #define CONFIG_CMD_NAND
133 #define CONFIG_CMD_CACHE
138 #define CONFIG_FEC_MXC
139 #define CONFIG_FEC_MXC_PHYADDR 0x1f
141 #define CONFIG_CMD_NET
142 #define CONFIG_NET_MULTI
143 #define BOARD_LATE_INIT
144 #define CONFIG_ENV_OVERWRITE
146 #define CONFIG_BOOTDELAY 5
148 #define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */
149 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
151 #define xstr(s) str(s)
154 #define CONFIG_EXTRA_ENV_SETTINGS \
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" \
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;" \
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" \
179 /* additions for new relocation code, must be added to all boards */
180 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
181 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - /* Fix this */ \
182 CONFIG_SYS_GBL_DATA_SIZE)
184 #endif /* __CONFIG_H */