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
49 #define CONFIG_SPL_GPIO_SUPPORT
54 #include <config_cmd_default.h>
55 #define CONFIG_DISPLAY_CPUINFO
56 #define CONFIG_DOS_PARTITION
58 #define CONFIG_CMD_CACHE
59 #define CONFIG_CMD_DATE
60 #define CONFIG_CMD_DHCP
61 #define CONFIG_CMD_FAT
62 #define CONFIG_CMD_GPIO
63 #define CONFIG_CMD_MII
64 #define CONFIG_CMD_MMC
65 #define CONFIG_CMD_NET
66 #define CONFIG_CMD_NFS
67 #define CONFIG_CMD_PING
69 #define CONFIG_CMD_SPI
70 #define CONFIG_CMD_USB
71 #define CONFIG_CMD_BOOTZ
74 * Memory configurations
76 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
77 #define PHYS_SDRAM_1 0x40000000 /* Base address */
78 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */
79 #define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
80 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
81 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
82 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
83 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
84 /* Point initial SP in SRAM so SPL can use it too. */
86 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
87 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
89 #define CONFIG_SYS_INIT_SP_OFFSET \
90 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
91 #define CONFIG_SYS_INIT_SP_ADDR \
92 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
95 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
96 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
97 * binary. In case there was more of this mess, 0x100 bytes are skipped.
99 #define CONFIG_SYS_TEXT_BASE 0x40000100
101 #define CONFIG_ENV_OVERWRITE
103 * U-Boot general configurations
105 #define CONFIG_SYS_LONGHELP
106 #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > "
107 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
108 #define CONFIG_SYS_PBSIZE \
109 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
110 /* Print buffer size */
111 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
112 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
113 /* Boot argument buffer size */
114 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */
115 #define CONFIG_AUTO_COMPLETE /* Command auto complete */
116 #define CONFIG_CMDLINE_EDITING /* Command history etc */
117 #define CONFIG_SYS_HUSH_PARSER
122 #define CONFIG_PL011_SERIAL
123 #define CONFIG_PL011_CLOCK 24000000
124 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
125 #define CONFIG_CONS_INDEX 0
126 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
131 #define CONFIG_APBH_DMA
136 #define CONFIG_ENV_IS_IN_MMC
137 #ifdef CONFIG_ENV_IS_IN_MMC
138 #define CONFIG_ENV_OFFSET (256 * 1024)
139 #define CONFIG_ENV_SIZE (16 * 1024)
140 #define CONFIG_SYS_MMC_ENV_DEV 0
142 #define CONFIG_CMD_SAVEENV
143 #ifdef CONFIG_CMD_MMC
145 #define CONFIG_GENERIC_MMC
146 #define CONFIG_MMC_BOUNCE_BUFFER
147 #define CONFIG_MXS_MMC
153 #ifdef CONFIG_CMD_NAND
154 #define CONFIG_NAND_MXS
155 #define CONFIG_SYS_MAX_NAND_DEVICE 1
156 #define CONFIG_SYS_NAND_BASE 0x60000000
157 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
161 * Ethernet on SOC (FEC)
163 #ifdef CONFIG_CMD_NET
164 #define CONFIG_NET_MULTI
165 #define CONFIG_ETHPRIME "FEC0"
166 #define CONFIG_FEC_MXC
167 #define CONFIG_FEC_MXC_MULTI
169 #define CONFIG_DISCOVER_PHY
170 #define CONFIG_FEC_XCV_TYPE RMII
171 #define CONFIG_MX28_FEC_MAC_IN_OCOTP
177 #ifdef CONFIG_CMD_DATE
178 #define CONFIG_RTC_MXS
184 #ifdef CONFIG_CMD_USB
185 #define CONFIG_USB_EHCI
186 #define CONFIG_USB_EHCI_MXS
187 #define CONFIG_EHCI_MXS_PORT 1
188 #define CONFIG_EHCI_IS_TDI
189 #define CONFIG_USB_STORAGE
195 #ifdef CONFIG_CMD_SPI
196 #define CONFIG_HARD_SPI
197 #define CONFIG_MXS_SPI
198 #define CONFIG_SPI_HALF_DUPLEX
199 #define CONFIG_DEFAULT_SPI_BUS 2
200 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
204 #define CONFIG_SPI_FLASH
205 #define CONFIG_SF_DEFAULT_BUS 2
206 #define CONFIG_SF_DEFAULT_CS 0
207 /* this may vary and depends on the installed chip */
208 #define CONFIG_SPI_FLASH_SST
209 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
210 #define CONFIG_SF_DEFAULT_SPEED 24000000
212 /* (redundant) environemnt in SPI flash */
213 #undef CONFIG_ENV_IS_IN_SPI_FLASH
214 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
215 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
216 #define CONFIG_ENV_SIZE 0x1000 /* 4KB */
217 #define CONFIG_ENV_OFFSET 0x40000 /* 256K */
218 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
219 #define CONFIG_ENV_SECT_SIZE 0x1000
220 #define CONFIG_ENV_SPI_CS 0
221 #define CONFIG_ENV_SPI_BUS 2
222 #define CONFIG_ENV_SPI_MAX_HZ 24000000
223 #define CONFIG_ENV_SPI_MODE SPI_MODE_0
231 #define CONFIG_CMDLINE_TAG
232 #define CONFIG_SETUP_MEMORY_TAGS
233 #define CONFIG_BOOTDELAY 3
234 #define CONFIG_BOOTFILE "uImage"
235 #define CONFIG_BOOTCOMMAND "run bootcmd_net"
236 #define CONFIG_LOADADDR 0x42000000
237 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
238 #define CONFIG_OF_LIBFDT
243 #define CONFIG_EXTRA_ENV_SETTINGS \
244 "console_fsl=console=ttyAM0" \
245 "console_mainline=console=ttyAMA0" \
246 "netargs=setenv bootargs console=${console_mainline}" \
248 "ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \
249 "bootcmd_net=echo Booting from net ...; " \
251 "dhcp ${uimage}; bootm\0" \
253 #endif /* __CONFIG_H */