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Otavio Salvador50e60902013-01-23 10:30:34 +00001/*
2 * Freescale i.MX23 EVK board config
3 *
4 * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
5 * on behalf of O.S. Systems Software LTDA.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22#ifndef __MX23EVK_CONFIG_H__
23#define __MX23EVK_CONFIG_H__
24
25/* SoC configurations */
26#define CONFIG_MX23 /* i.MX23 SoC */
27
28#include <asm/arch/regs-base.h>
29
30#define CONFIG_MXS_GPIO /* GPIO control */
31#define CONFIG_SYS_HZ 1000 /* Ticks per second */
32
33#define CONFIG_MACH_TYPE MACH_TYPE_MX23EVK
34
35#define CONFIG_SYS_NO_FLASH
Otavio Salvador50e60902013-01-23 10:30:34 +000036#define CONFIG_BOARD_EARLY_INIT_F
37#define CONFIG_ARCH_MISC_INIT
38
39/* SPL */
40#define CONFIG_SPL
41#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
42#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
43#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
44#define CONFIG_SPL_LIBCOMMON_SUPPORT
45#define CONFIG_SPL_LIBGENERIC_SUPPORT
46#define CONFIG_SPL_GPIO_SUPPORT
47
48/* U-Boot Commands */
49#include <config_cmd_default.h>
50#undef CONFIG_CMD_NET
51#undef CONFIG_CMD_NFS
52
53#define CONFIG_DISPLAY_CPUINFO
54#define CONFIG_DOS_PARTITION
55
56#define CONFIG_CMD_CACHE
57#define CONFIG_CMD_EXT2
58#define CONFIG_CMD_FAT
59#define CONFIG_CMD_GPIO
60#define CONFIG_CMD_MMC
61#define CONFIG_CMD_BOOTZ
62
63/* Memory configurations */
64#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
65#define PHYS_SDRAM_1 0x40000000 /* Base address */
66#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */
67#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
68#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
69#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
70#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
71#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
72/* Point initial SP in SRAM so SPL can use it too. */
73
74#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
75#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
76
77#define CONFIG_SYS_INIT_SP_OFFSET \
78 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
79#define CONFIG_SYS_INIT_SP_ADDR \
80 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
81
82/*
83 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
84 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
85 * binary. In case there was more of this mess, 0x100 bytes are skipped.
86 */
87#define CONFIG_SYS_TEXT_BASE 0x40000100
88
89#define CONFIG_ENV_OVERWRITE
90
91/* U-Boot general configurations */
92#define CONFIG_SYS_LONGHELP
93#define CONFIG_SYS_PROMPT "=> "
94#define CONFIG_SYS_CBSIZE 256 /* Console I/O buffer size */
95#define CONFIG_SYS_PBSIZE \
96 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
97 /* Print buffer size */
98#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
99#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
100 /* Boot argument buffer size */
101#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
102#define CONFIG_AUTO_COMPLETE /* Command auto complete */
103#define CONFIG_CMDLINE_EDITING /* Command history etc */
104#define CONFIG_SYS_HUSH_PARSER
105#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
106
107/* Serial Driver */
108#define CONFIG_PL011_SERIAL
109#define CONFIG_PL011_CLOCK 24000000
110#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
111#define CONFIG_CONS_INDEX 0
112#define CONFIG_BAUDRATE 115200 /* Default baud rate */
Otavio Salvador50e60902013-01-23 10:30:34 +0000113
114/* DMA */
115#define CONFIG_APBH_DMA
116
117/* MMC Driver */
118#ifdef CONFIG_CMD_MMC
119#define CONFIG_MMC
120#define CONFIG_GENERIC_MMC
121#define CONFIG_BOUNCE_BUFFER
122#define CONFIG_MXS_MMC
123#endif
124
125/* Boot Linux */
126#define CONFIG_CMDLINE_TAG
127#define CONFIG_SETUP_MEMORY_TAGS
128#define CONFIG_BOOTDELAY 1
129#define CONFIG_BOOTFILE "uImage"
130#define CONFIG_LOADADDR 0x42000000
131#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
132#define CONFIG_OF_LIBFDT
133
134/* Environment */
135#define CONFIG_ENV_IS_IN_MMC
136#ifdef CONFIG_ENV_IS_IN_MMC
137 #define CONFIG_ENV_OFFSET (256 * 1024)
138 #define CONFIG_ENV_SIZE (16 * 1024)
139 #define CONFIG_SYS_MMC_ENV_DEV 0
140#endif
141
142/* Extra Environments */
143#define CONFIG_EXTRA_ENV_SETTINGS \
144 "update_sd_firmware_filename=u-boot.sd\0" \
145 "update_sd_firmware=" /* Update the SD firmware partition */ \
146 "if mmc rescan ; then " \
147 "if tftp ${update_sd_firmware_filename} ; then " \
148 "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
149 "setexpr fw_sz ${fw_sz} + 1 ; " \
150 "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
151 "fi ; " \
152 "fi\0" \
153 "script=boot.scr\0" \
154 "uimage=uImage\0" \
155 "console=ttyAMA0\0" \
156 "fdt_file=imx23-evk.dtb\0" \
157 "fdt_addr=0x41000000\0" \
158 "boot_fdt=try\0" \
159 "mmcdev=0\0" \
160 "mmcpart=2\0" \
161 "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
162 "mmcargs=setenv bootargs console=${console},${baudrate} " \
163 "root=${mmcroot}\0" \
164 "loadbootscript=" \
165 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
166 "bootscript=echo Running bootscript from mmc ...; " \
167 "source\0" \
168 "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
169 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
170 "mmcboot=echo Booting from mmc ...; " \
171 "run mmcargs; " \
172 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
173 "if run loadfdt; then " \
174 "bootm ${loadaddr} - ${fdt_addr}; " \
175 "else " \
176 "if test ${boot_fdt} = try; then " \
177 "bootm; " \
178 "else " \
179 "echo WARN: Cannot load the DT; " \
180 "fi; " \
181 "fi; " \
182 "else " \
183 "bootm; " \
184 "fi;\0"
185
186#define CONFIG_BOOTCOMMAND \
187 "mmc dev ${mmcdev}; if mmc rescan; then " \
188 "if run loadbootscript; then " \
189 "run bootscript; " \
190 "else " \
191 "if run loaduimage; then " \
192 "run mmcboot; " \
193 "else " \
194 "echo ERR: Fail to boot from MMC; " \
195 "fi; " \
196 "fi; " \
197 "else exit; fi"
198
199#endif /* __MX23EVK_CONFIG_H__ */