Merge branch 'master' of git://git.denx.de/u-boot-arm
[karo-tx-uboot.git] / include / configs / mx23evk.h
1 /*
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
36 #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 */
113
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__ */