include/configs/mxs.h

   1 /*
   2  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  */
  19 #ifndef __CONFIGS_MXS_H__
  20 #define __CONFIGS_MXS_H__
  21
  22 /*
  23  * Includes
  24  */
  25
  26 #if defined(CONFIG_MX23) && defined(CONFIG_MX28)
  27 #error Select either CONFIG_MX23 or CONFIG_MX28 , never both!
  28 #elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28)
  29 #error Select one of CONFIG_MX23 or CONFIG_MX28 !
  30 #endif
  31
  32 #include <asm/arch/regs-base.h>
  33
  34 #if defined(CONFIG_MX23)
  35 #include <asm/arch/iomux-mx23.h>
  36 #elif defined(CONFIG_MX28)
  37 #include <asm/arch/iomux-mx28.h>
  38 #endif
  39
  40 /*
  41  * CPU specifics
  42  */
  43 #define CONFIG_SYS_GENERIC_BOARD
  44
  45 /* MXS uses FDT */
  46 #define CONFIG_OF_LIBFDT
  47
  48 /* Startup hooks */
  49 #define CONFIG_BOARD_EARLY_INIT_F
  50 #define CONFIG_ARCH_MISC_INIT
  51
  52 /* SPL */
  53 #define CONFIG_SPL
  54 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
  55 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
  56 #define CONFIG_SPL_LDSCRIPT     "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
  57 #define CONFIG_SPL_LIBCOMMON_SUPPORT
  58 #define CONFIG_SPL_LIBGENERIC_SUPPORT
  59 #define CONFIG_SPL_GPIO_SUPPORT
  60
  61 /* Memory sizes */
  62 #define CONFIG_SYS_MALLOC_LEN           0x00400000      /* 4 MB for malloc */
  63 #define CONFIG_SYS_MEMTEST_START        0x40000000      /* Memtest start adr */
  64 #define CONFIG_SYS_MEMTEST_END          0x40400000      /* 4 MB RAM test */
  65
  66 /* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */
  67 #define CONFIG_SYS_INIT_RAM_ADDR        0x00000000
  68 #if defined(CONFIG_MX23)
  69 #define CONFIG_SYS_INIT_RAM_SIZE        (32 * 1024)
  70 #elif defined(CONFIG_MX28)
  71 #define CONFIG_SYS_INIT_RAM_SIZE        (128 * 1024)
  72 #endif
  73
  74 /* Point initial SP in SRAM so SPL can use it too. */
  75 #define CONFIG_SYS_INIT_SP_OFFSET \
  76         (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  77 #define CONFIG_SYS_INIT_SP_ADDR \
  78         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  79
  80 /*
  81  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
  82  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
  83  * binary. In case there was more of this mess, 0x100 bytes are skipped.
  84  *
  85  * In case of a HAB boot, we cannot for some weird reason use the first 4KiB
  86  * of DRAM when loading. Moreover, we use the first 4 KiB for IVT and CST
  87  * blocks, thus U-Boot starts at offset +8 KiB of DRAM start.
  88  *
  89  * As for the SPL, we must avoid the first 4 KiB as well, but we load the
  90  * IVT and CST to 0x8000, so we don't need to waste the subsequent 4 KiB.
  91  */
  92 #define CONFIG_SYS_TEXT_BASE            0x40002000
  93 #define CONFIG_SPL_TEXT_BASE            0x00001000
  94
  95 /* U-Boot general configuration */
  96 #define CONFIG_SYS_LONGHELP
  97 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O buffer size */
  98 #define CONFIG_SYS_PBSIZE       \
  99         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 100                                                 /* Print buffer size */
 101 #define CONFIG_SYS_MAXARGS      32              /* Max number of command args */
 102 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE
 103                                                 /* Boot argument buffer size */
 104 #define CONFIG_VERSION_VARIABLE                 /* U-BOOT version */
 105 #define CONFIG_AUTO_COMPLETE                    /* Command auto complete */
 106 #define CONFIG_CMDLINE_EDITING                  /* Command history etc */
 107 #define CONFIG_SYS_HUSH_PARSER
 108 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 109
 110 /* Booting Linux */
 111 #define CONFIG_CMDLINE_TAG
 112 #define CONFIG_SETUP_MEMORY_TAGS
 113
 114 /*
 115  * Drivers
 116  */
 117
 118 /* APBH DMA */
 119 #define CONFIG_APBH_DMA
 120
 121 /* GPIO */
 122 #define CONFIG_MXS_GPIO
 123
 124 /*
 125  * DUART Serial Driver.
 126  * Conflicts with AUART driver which can be set by board.
 127  */
 128 #ifndef CONFIG_MXS_AUART
 129 #define CONFIG_PL011_SERIAL
 130 #define CONFIG_PL011_CLOCK              24000000
 131 #define CONFIG_PL01x_PORTS              { (void *)MXS_UARTDBG_BASE }
 132 #define CONFIG_CONS_INDEX               0
 133 #endif
 134 /* Default baudrate can be overriden by board! */
 135 #ifndef CONFIG_BAUDRATE
 136 #define CONFIG_BAUDRATE                 115200
 137 #endif
 138
 139 /* FEC Ethernet on SoC */
 140 #ifdef CONFIG_FEC_MXC
 141 #define CONFIG_MII
 142 #ifndef CONFIG_ETHPRIME
 143 #define CONFIG_ETHPRIME                 "FEC0"
 144 #endif
 145 #ifndef CONFIG_FEC_XCV_TYPE
 146 #define CONFIG_FEC_XCV_TYPE             RMII
 147 #endif
 148 #endif
 149
 150 /* I2C */
 151 #ifdef CONFIG_CMD_I2C
 152 #define CONFIG_I2C_MXS
 153 #define CONFIG_HARD_I2C
 154 #ifndef CONFIG_SYS_I2C_SPEED
 155 #define CONFIG_SYS_I2C_SPEED            400000
 156 #endif
 157 #endif
 158
 159 /* LCD */
 160 #ifdef CONFIG_VIDEO
 161 #define CONFIG_CFB_CONSOLE
 162 #define CONFIG_VIDEO_MXS
 163 #define CONFIG_VIDEO_SW_CURSOR
 164 #define CONFIG_VGA_AS_SINGLE_DEVICE
 165 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 166 #endif
 167
 168 /* MMC */
 169 #ifdef CONFIG_CMD_MMC
 170 #define CONFIG_MMC
 171 #define CONFIG_GENERIC_MMC
 172 #define CONFIG_BOUNCE_BUFFER
 173 #define CONFIG_MXS_MMC
 174 #endif
 175
 176 /* NAND */
 177 #ifdef CONFIG_CMD_NAND
 178 #define CONFIG_NAND_MXS
 179 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 180 #define CONFIG_SYS_NAND_BASE            0x60000000
 181 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 182 #endif
 183
 184 /* OCOTP */
 185 #ifdef CONFIG_CMD_FUSE
 186 #define CONFIG_MXS_OCOTP
 187 #endif
 188
 189 /* SPI */
 190 #ifdef CONFIG_CMD_SPI
 191 #define CONFIG_HARD_SPI
 192 #define CONFIG_MXS_SPI
 193 #define CONFIG_SPI_HALF_DUPLEX
 194 #endif
 195
 196 /* USB */
 197 #ifdef CONFIG_CMD_USB
 198 #define CONFIG_USB_EHCI
 199 #define CONFIG_USB_EHCI_MXS
 200 #define CONFIG_EHCI_IS_TDI
 201 #endif
 202
 203 #endif  /* __CONFIGS_MXS_H__ */