2 * (C) Copyright 2011 Freescale Semiconductor, Inc.
3 * Author: Fabio Estevam <fabio.estevam@freescale.com>
6 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
7 * on behalf of DENX Software Engineering GmbH
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
22 #include <asm/arch/regs-base.h>
27 #define CONFIG_MX28 /* i.MX28 SoC */
28 #define CONFIG_MXS_GPIO /* GPIO control */
29 #define CONFIG_SYS_HZ 1000 /* Ticks per second */
31 #define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK
33 #define CONFIG_SYS_NO_FLASH
34 #define CONFIG_SYS_ICACHE_OFF
35 #define CONFIG_SYS_DCACHE_OFF
36 #define CONFIG_BOARD_EARLY_INIT_F
37 #define CONFIG_ARCH_CPU_INIT
38 #define CONFIG_ARCH_MISC_INIT
44 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
45 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mx28"
46 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds"
47 #define CONFIG_SPL_LIBCOMMON_SUPPORT
48 #define CONFIG_SPL_LIBGENERIC_SUPPORT
53 #include <config_cmd_default.h>
54 #define CONFIG_DISPLAY_CPUINFO
55 #define CONFIG_DOS_PARTITION
56 #define CONFIG_CMD_FAT
58 #define CONFIG_CMD_CACHE
59 #define CONFIG_CMD_DHCP
60 #define CONFIG_CMD_GPIO
61 #define CONFIG_CMD_MII
62 #define CONFIG_CMD_MMC
63 #define CONFIG_CMD_NET
64 #define CONFIG_CMD_NFS
65 #define CONFIG_CMD_PING
68 * Memory configurations
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 0x40000000 /* Max 1 GB RAM */
73 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
74 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
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. */
80 #define CONFIG_SYS_INIT_RAM_ADDR 0x00002000
81 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
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)
89 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
90 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
91 * binary. In case there was more of this mess, 0x100 bytes are skipped.
93 #define CONFIG_SYS_TEXT_BASE 0x40000100
95 #define CONFIG_ENV_OVERWRITE
97 * U-Boot general configurations
99 #define CONFIG_SYS_LONGHELP
100 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > "
101 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
102 #define CONFIG_SYS_PBSIZE \
103 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
104 /* Print buffer size */
105 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
106 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
107 /* Boot argument buffer size */
108 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */
109 #define CONFIG_AUTO_COMPLETE /* Command auto complete */
110 #define CONFIG_CMDLINE_EDITING /* Command history etc */
111 #define CONFIG_SYS_HUSH_PARSER
112 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
117 #define CONFIG_PL011_SERIAL
118 #define CONFIG_PL011_CLOCK 24000000
119 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
120 #define CONFIG_CONS_INDEX 0
121 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
122 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
127 #define CONFIG_ENV_IS_IN_MMC
128 #define CONFIG_ENV_OFFSET (256 * 1024)
129 #define CONFIG_ENV_SIZE (16 * 1024)
130 #define CONFIG_SYS_MMC_ENV_DEV 0
131 #define CONFIG_CMD_SAVEENV
132 #ifdef CONFIG_CMD_MMC
134 #define CONFIG_GENERIC_MMC
135 #define CONFIG_MXS_MMC
139 * Ethernet on SOC (FEC)
141 #ifdef CONFIG_CMD_NET
142 #define CONFIG_NET_MULTI
143 #define CONFIG_ETHPRIME "FEC0"
144 #define CONFIG_FEC_MXC
145 #define CONFIG_FEC_MXC_MULTI
147 #define CONFIG_DISCOVER_PHY
148 #define CONFIG_FEC_XCV_TYPE RMII
149 #define CONFIG_MX28_FEC_MAC_IN_OCOTP
155 #define CONFIG_CMDLINE_TAG
156 #define CONFIG_SETUP_MEMORY_TAGS
157 #define CONFIG_BOOTDELAY 3
158 #define CONFIG_BOOTFILE "uImage"
159 #define CONFIG_BOOTCOMMAND "run bootcmd_net"
160 #define CONFIG_LOADADDR 0x42000000
161 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
166 #define CONFIG_EXTRA_ENV_SETTINGS \
167 "console_fsl=console=ttyAM0" \
168 "console_mainline=console=ttyAMA0" \
169 "netargs=setenv bootargs console=${console_mainline}" \
171 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \
172 "bootcmd_net=echo Booting from net ...; " \
174 "dhcp ${uimage}; bootm\0" \
176 #endif /* __CONFIG_H */