include/configs/cm_t335.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Config file for Compulab CM-T335 board
   4  *
   5  * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/
   6  *
   7  * Author: Ilya Ledvich <ilya@compulab.co.il>
   8  */
   9
  10 #ifndef __CONFIG_CM_T335_H
  11 #define __CONFIG_CM_T335_H
  12
  13 #include <configs/ti_am335x_common.h>
  14
  15 #undef CONFIG_MAX_RAM_BANK_SIZE
  16 #define CONFIG_MAX_RAM_BANK_SIZE        (512 << 20)     /* 512MB */
  17
  18 /* Clock Defines */
  19 #define V_OSCK                          25000000  /* Clock output from T2 */
  20 #define V_SCLK                          (V_OSCK)
  21
  22 #ifndef CONFIG_SPL_BUILD
  23 #define MMCARGS \
  24         "mmcdev=0\0" \
  25         "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
  26         "mmcrootfstype=ext4\0" \
  27         "mmcargs=setenv bootargs console=${console} " \
  28                 "root=${mmcroot} " \
  29                 "rootfstype=${mmcrootfstype}\0" \
  30         "mmcboot=echo Booting from mmc ...; " \
  31                 "run mmcargs; " \
  32                 "bootm ${loadaddr}\0"
  33
  34 #define NANDARGS \
  35         "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
  36         "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
  37         "nandroot=ubi0:rootfs rw\0" \
  38         "nandrootfstype=ubifs\0" \
  39         "nandargs=setenv bootargs console=${console} " \
  40                 "root=${nandroot} " \
  41                 "rootfstype=${nandrootfstype} " \
  42                 "ubi.mtd=${rootfs_name}\0" \
  43         "nandboot=echo Booting from nand ...; " \
  44                 "run nandargs; " \
  45                 "nboot ${loadaddr} nand0 900000; " \
  46                 "bootm ${loadaddr}\0"
  47
  48 #define CONFIG_EXTRA_ENV_SETTINGS \
  49         "loadaddr=82000000\0" \
  50         "console=ttyO0,115200n8\0" \
  51         "rootfs_name=rootfs\0" \
  52         "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  53         "bootscript=echo Running bootscript from mmc ...; " \
  54                 "source ${loadaddr}\0" \
  55         "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
  56         MMCARGS \
  57         NANDARGS
  58
  59 #define CONFIG_BOOTCOMMAND \
  60         "mmc dev ${mmcdev}; if mmc rescan; then " \
  61                 "if run loadbootscript; then " \
  62                         "run bootscript; " \
  63                 "else " \
  64                         "if run loaduimage; then " \
  65                                 "run mmcboot; " \
  66                         "else run nandboot; " \
  67                         "fi; " \
  68                 "fi; " \
  69         "else run nandboot; fi"
  70 #endif /* CONFIG_SPL_BUILD */
  71
  72 #define CONFIG_TIMESTAMP
  73 #define CONFIG_SYS_AUTOLOAD             "no"
  74
  75 /* Serial console configuration */
  76
  77 /* NS16550 Configuration */
  78 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* UART0 */
  79 #define CONFIG_SYS_NS16550_COM2         0x48022000      /* UART1 */
  80
  81 /* I2C Configuration */
  82
  83 /* SPL */
  84
  85 /* Network. */
  86
  87 /* NAND support */
  88 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
  89                                          10, 11, 12, 13, 14, 15, 16, 17, \
  90                                          18, 19, 20, 21, 22, 23, 24, 25, \
  91                                          26, 27, 28, 29, 30, 31, 32, 33, \
  92                                          34, 35, 36, 37, 38, 39, 40, 41, \
  93                                          42, 43, 44, 45, 46, 47, 48, 49, \
  94                                          50, 51, 52, 53, 54, 55, 56, 57, }
  95
  96 #define CONFIG_SYS_NAND_ECCSIZE         512
  97 #define CONFIG_SYS_NAND_ECCBYTES        14
  98
  99 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 100
 101 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 102 #ifdef CONFIG_SPL_OS_BOOT
 103 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
 104 #endif
 105
 106 /* GPIO pin + bank to pin ID mapping */
 107 #define GPIO_PIN(_bank, _pin)           ((_bank << 5) + _pin)
 108
 109 /* Status LED */
 110 /* Status LED polarity is inversed, so init it in the "off" state */
 111
 112 /* EEPROM */
 113
 114 #ifndef CONFIG_SPL_BUILD
 115 /*
 116  * Enable PCA9555 at I2C0-0x26.
 117  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
 118  */
 119 #define CONFIG_PCA953X
 120 #define CONFIG_SYS_I2C_PCA953X_ADDR     0x26
 121 #define CONFIG_SYS_I2C_PCA953X_WIDTH    { {0x26, 16} }
 122 #endif /* CONFIG_SPL_BUILD */
 123
 124 #endif  /* __CONFIG_CM_T335_H */