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 #define CONFIG_CM_T335
  14
  15 #include <configs/ti_am335x_common.h>
  16
  17 #undef CONFIG_MAX_RAM_BANK_SIZE
  18 #define CONFIG_MAX_RAM_BANK_SIZE        (512 << 20)     /* 512MB */
  19
  20 #define CONFIG_MACH_TYPE                MACH_TYPE_CM_T335
  21
  22 /* Clock Defines */
  23 #define V_OSCK                          25000000  /* Clock output from T2 */
  24 #define V_SCLK                          (V_OSCK)
  25
  26 #define CONFIG_ENV_SIZE                 (16 << 10)      /* 16 KiB */
  27
  28 #ifndef CONFIG_SPL_BUILD
  29 #define MMCARGS \
  30         "mmcdev=0\0" \
  31         "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
  32         "mmcrootfstype=ext4\0" \
  33         "mmcargs=setenv bootargs console=${console} " \
  34                 "root=${mmcroot} " \
  35                 "rootfstype=${mmcrootfstype}\0" \
  36         "mmcboot=echo Booting from mmc ...; " \
  37                 "run mmcargs; " \
  38                 "bootm ${loadaddr}\0"
  39
  40 #define NANDARGS \
  41         "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
  42         "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
  43         "nandroot=ubi0:rootfs rw\0" \
  44         "nandrootfstype=ubifs\0" \
  45         "nandargs=setenv bootargs console=${console} " \
  46                 "root=${nandroot} " \
  47                 "rootfstype=${nandrootfstype} " \
  48                 "ubi.mtd=${rootfs_name}\0" \
  49         "nandboot=echo Booting from nand ...; " \
  50                 "run nandargs; " \
  51                 "nboot ${loadaddr} nand0 900000; " \
  52                 "bootm ${loadaddr}\0"
  53
  54 #define CONFIG_EXTRA_ENV_SETTINGS \
  55         "loadaddr=82000000\0" \
  56         "console=ttyO0,115200n8\0" \
  57         "rootfs_name=rootfs\0" \
  58         "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  59         "bootscript=echo Running bootscript from mmc ...; " \
  60                 "source ${loadaddr}\0" \
  61         "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
  62         MMCARGS \
  63         NANDARGS
  64
  65 #define CONFIG_BOOTCOMMAND \
  66         "mmc dev ${mmcdev}; if mmc rescan; then " \
  67                 "if run loadbootscript; then " \
  68                         "run bootscript; " \
  69                 "else " \
  70                         "if run loaduimage; then " \
  71                                 "run mmcboot; " \
  72                         "else run nandboot; " \
  73                         "fi; " \
  74                 "fi; " \
  75         "else run nandboot; fi"
  76 #endif /* CONFIG_SPL_BUILD */
  77
  78 #define CONFIG_TIMESTAMP
  79 #define CONFIG_SYS_AUTOLOAD             "no"
  80
  81 /* Serial console configuration */
  82
  83 /* NS16550 Configuration */
  84 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* UART0 */
  85 #define CONFIG_SYS_NS16550_COM2         0x48022000      /* UART1 */
  86
  87 /* I2C Configuration */
  88 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50    /* Main EEPROM */
  89 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  1
  90 #define CONFIG_SYS_I2C_EEPROM_BUS       0
  91
  92 /* SPL */
  93
  94 /* Network. */
  95 #define CONFIG_PHY_ATHEROS
  96
  97 /* NAND support */
  98 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  99 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
 100                                          CONFIG_SYS_NAND_PAGE_SIZE)
 101 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 102 #define CONFIG_SYS_NAND_OOBSIZE         64
 103 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128 * 1024)
 104 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 105 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
 106                                          10, 11, 12, 13, 14, 15, 16, 17, \
 107                                          18, 19, 20, 21, 22, 23, 24, 25, \
 108                                          26, 27, 28, 29, 30, 31, 32, 33, \
 109                                          34, 35, 36, 37, 38, 39, 40, 41, \
 110                                          42, 43, 44, 45, 46, 47, 48, 49, \
 111                                          50, 51, 52, 53, 54, 55, 56, 57, }
 112
 113 #define CONFIG_SYS_NAND_ECCSIZE         512
 114 #define CONFIG_SYS_NAND_ECCBYTES        14
 115
 116 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 117
 118 #undef CONFIG_SYS_NAND_U_BOOT_OFFS
 119 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x200000
 120
 121 #define CONFIG_ENV_OFFSET               0x300000 /* environment starts here */
 122 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 123 #define CONFIG_SYS_NAND_ONFI_DETECTION
 124 #ifdef CONFIG_SPL_OS_BOOT
 125 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
 126 #endif
 127
 128 /* GPIO pin + bank to pin ID mapping */
 129 #define GPIO_PIN(_bank, _pin)           ((_bank << 5) + _pin)
 130
 131 /* Status LED */
 132 /* Status LED polarity is inversed, so init it in the "off" state */
 133
 134 /* EEPROM */
 135 #define CONFIG_ENV_EEPROM_IS_ON_I2C
 136 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN          1
 137 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       4
 138 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   5
 139 #define CONFIG_SYS_EEPROM_SIZE                  256
 140
 141 #ifndef CONFIG_SPL_BUILD
 142 /*
 143  * Enable PCA9555 at I2C0-0x26.
 144  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
 145  */
 146 #define CONFIG_PCA953X
 147 #define CONFIG_SYS_I2C_PCA953X_ADDR     0x26
 148 #define CONFIG_SYS_I2C_PCA953X_WIDTH    { {0x26, 16} }
 149 #endif /* CONFIG_SPL_BUILD */
 150
 151 #endif  /* __CONFIG_CM_T335_H */
 152