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,
24 #include <asm/arch/imx-regs.h>
27 * KARO TX25 board - SoC Configuration
30 #define CONFIG_MX25_CLK32 32000 /* OSC32K frequency */
31 #define CONFIG_SYS_HZ 1000
33 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* 256 kB for U-Boot */
36 #define CONFIG_SPL_TARGET "u-boot-with-spl.bin"
37 #define CONFIG_SPL_LDSCRIPT "arch/$(ARCH)/cpu/u-boot-spl.lds"
38 #define CONFIG_SPL_MAX_SIZE 2048
39 #define CONFIG_SPL_NAND_SUPPORT
41 #define CONFIG_SPL_TEXT_BASE 0x810c0000
42 #define CONFIG_SYS_TEXT_BASE 0x81200000
44 #ifndef MACH_TYPE_TX25
45 #define MACH_TYPE_TX25 2177
48 #define CONFIG_MACH_TYPE MACH_TYPE_TX25
50 #ifdef CONFIG_SPL_BUILD
51 /* Start copying real U-boot from the second page */
52 #define CONFIG_SYS_NAND_U_BOOT_OFFS CONFIG_SPL_PAD_TO
53 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x30000
55 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
56 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST
58 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
59 #define CONFIG_SYS_NAND_OOBSIZE 64
60 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
61 #define CONFIG_SYS_NAND_PAGE_COUNT 64
62 #define CONFIG_SYS_NAND_SIZE (128 * 1024 * 1024)
63 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
65 #define CONFIG_SKIP_LOWLEVEL_INIT
68 #define CONFIG_DISPLAY_CPUINFO
70 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
71 #define CONFIG_SETUP_MEMORY_TAGS
72 #define CONFIG_INITRD_TAG
78 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
80 * Board has 2 32MB banks of DRAM but there is a bug when using
81 * both so only the first is configured
83 #define CONFIG_NR_DRAM_BANKS 1
85 #define PHYS_SDRAM_1 0x80000000
86 #define PHYS_SDRAM_1_SIZE 0x02000000
87 #if (CONFIG_NR_DRAM_BANKS == 2)
88 #define PHYS_SDRAM_2 0x90000000
89 #define PHYS_SDRAM_2_SIZE 0x02000000
92 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1
93 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1+0x0800000)
98 #define CONFIG_MXC_UART
99 #define CONFIG_MXC_UART_BASE UART1_BASE
100 #define CONFIG_CONS_INDEX 1 /* use UART0 for console */
101 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
103 #define CONFIG_MXC_GPIO
106 * Flash & Environment
108 /* No NOR flash present */
109 #define CONFIG_SYS_NO_FLASH
110 #define CONFIG_ENV_IS_IN_NAND
111 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
112 #define CONFIG_ENV_SIZE (128 * 1024) /* 128 kB NAND block size */
113 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
116 #define CONFIG_NAND_MXC
117 #define CONFIG_MXC_NAND_REGS_BASE (0xBB000000)
118 #define CONFIG_SYS_MAX_NAND_DEVICE 1
119 #define CONFIG_SYS_NAND_BASE (0xBB000000)
120 #define CONFIG_JFFS2_NAND
121 #define CONFIG_MXC_NAND_HWECC
122 #define CONFIG_SYS_NAND_LARGEPAGE
124 /* U-Boot general configuration */
125 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
126 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
127 /* Print buffer sz */
128 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
129 sizeof(CONFIG_SYS_PROMPT) + 16)
130 #define CONFIG_SYS_MAXARGS 32 /* max number of command args */
131 /* Boot Argument Buffer Size */
132 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
133 #define CONFIG_CMDLINE_EDITING
134 #define CONFIG_SYS_LONGHELP
136 /* U-Boot commands */
137 #include <config_cmd_default.h>
138 #define CONFIG_CMD_NAND
139 #define CONFIG_CMD_CACHE
144 #define CONFIG_FEC_MXC
145 #define CONFIG_FEC_MXC_PHYADDR 0x1f
147 #define CONFIG_CMD_NET
148 #define CONFIG_BOARD_LATE_INIT
149 #define CONFIG_ENV_OVERWRITE
151 #define CONFIG_BOOTDELAY 5
153 #define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */
154 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
156 #define CONFIG_EXTRA_ENV_SETTINGS \
158 "nfsargs=setenv bootargs root=/dev/nfs rw " \
159 "nfsroot=${serverip}:${rootpath}\0" \
160 "ramargs=setenv bootargs root=/dev/ram rw\0" \
161 "addip=setenv bootargs ${bootargs} " \
162 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
163 ":${hostname}:${netdev}:off panic=1\0" \
164 "addtty=setenv bootargs ${bootargs}" \
165 " console=ttymxc0,${baudrate}\0" \
166 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
167 "addmisc=setenv bootargs ${bootargs}\0" \
168 "u-boot=tx25/u-boot.bin\0" \
169 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
171 "bootfile=tx25/uImage\0" \
172 "rootpath=/opt/eldk/arm\0" \
173 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
174 "run nfsargs addip addtty addmtd addmisc;" \
176 "bootcmd=run net_nfs\0" \
177 "load=tftp ${loadaddr} ${u-boot}\0" \
178 "update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0" \
179 "upd=run load update\0" \
181 /* additions for new relocation code, must be added to all boards */
182 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
183 #define CONFIG_SYS_INIT_SP_ADDR (IMX_RAM_BASE + IMX_RAM_SIZE)
185 #endif /* __CONFIG_H */