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   1 /*
   2  * Config file for Compulab CM-T335 board
   3  *
   4  * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/
   5  *
   6  * Author: Ilya Ledvich <ilya@compulab.co.il>
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #ifndef __CONFIG_CM_T335_H
  12 #define __CONFIG_CM_T335_H
  13
  14 #define CONFIG_CM_T335
  15 #define CONFIG_NAND
  16
  17 #include <configs/ti_am335x_common.h>
  18
  19 #undef CONFIG_BOARD_LATE_INIT
  20 #undef CONFIG_SPI
  21 #undef CONFIG_OMAP3_SPI
  22 #undef CONFIG_CMD_SPI
  23 #undef CONFIG_SPL_OS_BOOT
  24 #undef CONFIG_BOOTCOUNT_LIMIT
  25 #undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
  26
  27 #undef CONFIG_MAX_RAM_BANK_SIZE
  28 #define CONFIG_MAX_RAM_BANK_SIZE        (512 << 20)     /* 512MB */
  29
  30 #define CONFIG_OMAP_COMMON
  31
  32 #define MACH_TYPE_CM_T335               4586    /* Until the next sync */
  33 #define CONFIG_MACH_TYPE                MACH_TYPE_CM_T335
  34
  35 /* Clock Defines */
  36 #define V_OSCK                          25000000  /* Clock output from T2 */
  37 #define V_SCLK                          (V_OSCK)
  38
  39 #define CONFIG_ENV_SIZE                 (16 << 10)      /* 16 KiB */
  40
  41 #ifndef CONFIG_SPL_BUILD
  42 #define MMCARGS \
  43         "mmcdev=0\0" \
  44         "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
  45         "mmcrootfstype=ext4\0" \
  46         "mmcargs=setenv bootargs console=${console} " \
  47                 "root=${mmcroot} " \
  48                 "rootfstype=${mmcrootfstype}\0" \
  49         "mmcboot=echo Booting from mmc ...; " \
  50                 "run mmcargs; " \
  51                 "bootm ${loadaddr}\0"
  52
  53 #define NANDARGS \
  54         "mtdids=" MTDIDS_DEFAULT "\0" \
  55         "mtdparts=" MTDPARTS_DEFAULT "\0" \
  56         "nandroot=ubi0:rootfs rw\0" \
  57         "nandrootfstype=ubifs\0" \
  58         "nandargs=setenv bootargs console=${console} " \
  59                 "root=${nandroot} " \
  60                 "rootfstype=${nandrootfstype} " \
  61                 "ubi.mtd=${rootfs_name}\0" \
  62         "nandboot=echo Booting from nand ...; " \
  63                 "run nandargs; " \
  64                 "nboot ${loadaddr} nand0 900000; " \
  65                 "bootm ${loadaddr}\0"
  66
  67
  68 #define CONFIG_EXTRA_ENV_SETTINGS \
  69         "loadaddr=82000000\0" \
  70         "console=ttyO0,115200n8\0" \
  71         "rootfs_name=rootfs\0" \
  72         "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  73         "bootscript=echo Running bootscript from mmc ...; " \
  74                 "source ${loadaddr}\0" \
  75         "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
  76         MMCARGS \
  77         NANDARGS
  78
  79 #define CONFIG_BOOTCOMMAND \
  80         "mmc dev ${mmcdev}; if mmc rescan; then " \
  81                 "if run loadbootscript; then " \
  82                         "run bootscript; " \
  83                 "else " \
  84                         "if run loaduimage; then " \
  85                                 "run mmcboot; " \
  86                         "else run nandboot; " \
  87                         "fi; " \
  88                 "fi; " \
  89         "else run nandboot; fi"
  90 #endif /* CONFIG_SPL_BUILD */
  91
  92 #define CONFIG_TIMESTAMP
  93 #define CONFIG_SYS_AUTOLOAD             "no"
  94
  95 /* Serial console configuration */
  96 #define CONFIG_CONS_INDEX               1
  97 #define CONFIG_SERIAL1                  1       /* UART0 */
  98
  99 /* NS16550 Configuration */
 100 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* UART0 */
 101 #define CONFIG_SYS_NS16550_COM2         0x48022000      /* UART1 */
 102 #define CONFIG_BAUDRATE                 115200
 103
 104 /* I2C Configuration */
 105 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50    /* Main EEPROM */
 106 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  1
 107 #define CONFIG_SYS_I2C_EEPROM_BUS       0
 108
 109 /* SPL */
 110 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/am33xx/u-boot-spl.lds"
 111
 112 /* Network. */
 113 #define CONFIG_PHY_GIGE
 114 #define CONFIG_PHYLIB
 115 #define CONFIG_PHY_ATHEROS
 116
 117 /* NAND support */
 118 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 119 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
 120                                          CONFIG_SYS_NAND_PAGE_SIZE)
 121 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 122 #define CONFIG_SYS_NAND_OOBSIZE         64
 123 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128 * 1024)
 124 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 125 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
 126                                          10, 11, 12, 13, 14, 15, 16, 17, \
 127                                          18, 19, 20, 21, 22, 23, 24, 25, \
 128                                          26, 27, 28, 29, 30, 31, 32, 33, \
 129                                          34, 35, 36, 37, 38, 39, 40, 41, \
 130                                          42, 43, 44, 45, 46, 47, 48, 49, \
 131                                          50, 51, 52, 53, 54, 55, 56, 57, }
 132
 133 #define CONFIG_SYS_NAND_ECCSIZE         512
 134 #define CONFIG_SYS_NAND_ECCBYTES        14
 135
 136 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 137
 138 #undef CONFIG_SYS_NAND_U_BOOT_OFFS
 139 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x200000
 140
 141 #define CONFIG_CMD_NAND
 142 #define MTDIDS_DEFAULT                  "nand0=nand"
 143 #define MTDPARTS_DEFAULT                "mtdparts=nand:2m(spl)," \
 144                                         "1m(u-boot),1m(u-boot-env)," \
 145                                         "1m(dtb),4m(splash)," \
 146                                         "6m(kernel),-(rootfs)"
 147 #define CONFIG_ENV_IS_IN_NAND
 148 #define CONFIG_ENV_OFFSET               0x300000 /* environment starts here */
 149 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 150 #define CONFIG_SYS_NAND_ONFI_DETECTION
 151 #ifdef CONFIG_SPL_OS_BOOT
 152 #define CONFIG_CMD_SPL_NAND_OFS         0x400000 /* un-assigned: (using dtb) */
 153 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
 154 #define CONFIG_CMD_SPL_WRITE_SIZE       0x2000
 155 #endif
 156
 157 /* GPIO pin + bank to pin ID mapping */
 158 #define GPIO_PIN(_bank, _pin)           ((_bank << 5) + _pin)
 159
 160 /* Status LED */
 161 #define CONFIG_STATUS_LED
 162 #define CONFIG_GPIO_LED
 163 #define CONFIG_BOARD_SPECIFIC_LED
 164 #define STATUS_LED_BIT                  GPIO_PIN(2, 0)
 165 /* Status LED polarity is inversed, so init it in the "off" state */
 166 #define STATUS_LED_STATE                STATUS_LED_OFF
 167 #define STATUS_LED_PERIOD               (CONFIG_SYS_HZ / 2)
 168 #define STATUS_LED_BOOT                 0
 169
 170 #ifndef CONFIG_SPL_BUILD
 171 /*
 172  * Enable PCA9555 at I2C0-0x26.
 173  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
 174  */
 175 #define CONFIG_PCA953X
 176 #define CONFIG_CMD_PCA953X
 177 #define CONFIG_CMD_PCA953X_INFO
 178 #define CONFIG_SYS_I2C_PCA953X_ADDR     0x26
 179 #define CONFIG_SYS_I2C_PCA953X_WIDTH    { {0x26, 16} }
 180 #endif /* CONFIG_SPL_BUILD */
 181
 182 #endif  /* __CONFIG_CM_T335_H */
 183