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_BOOTCOUNT_LIMIT 23 #undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC 24 25 #undef CONFIG_MAX_RAM_BANK_SIZE 26 #define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* 512MB */ 27 28 #define MACH_TYPE_CM_T335 4586 /* Until the next sync */ 29 #define CONFIG_MACH_TYPE MACH_TYPE_CM_T335 30 31 /* Clock Defines */ 32 #define V_OSCK 25000000 /* Clock output from T2 */ 33 #define V_SCLK (V_OSCK) 34 35 #define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */ 36 37 #ifndef CONFIG_SPL_BUILD 38 #define MMCARGS \ 39 "mmcdev=0\0" \ 40 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ 41 "mmcrootfstype=ext4\0" \ 42 "mmcargs=setenv bootargs console=${console} " \ 43 "root=${mmcroot} " \ 44 "rootfstype=${mmcrootfstype}\0" \ 45 "mmcboot=echo Booting from mmc ...; " \ 46 "run mmcargs; " \ 47 "bootm ${loadaddr}\0" 48 49 #define NANDARGS \ 50 "mtdids=" MTDIDS_DEFAULT "\0" \ 51 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 52 "nandroot=ubi0:rootfs rw\0" \ 53 "nandrootfstype=ubifs\0" \ 54 "nandargs=setenv bootargs console=${console} " \ 55 "root=${nandroot} " \ 56 "rootfstype=${nandrootfstype} " \ 57 "ubi.mtd=${rootfs_name}\0" \ 58 "nandboot=echo Booting from nand ...; " \ 59 "run nandargs; " \ 60 "nboot ${loadaddr} nand0 900000; " \ 61 "bootm ${loadaddr}\0" 62 63 #define CONFIG_EXTRA_ENV_SETTINGS \ 64 "loadaddr=82000000\0" \ 65 "console=ttyO0,115200n8\0" \ 66 "rootfs_name=rootfs\0" \ 67 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 68 "bootscript=echo Running bootscript from mmc ...; " \ 69 "source ${loadaddr}\0" \ 70 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 71 MMCARGS \ 72 NANDARGS 73 74 #define CONFIG_BOOTCOMMAND \ 75 "mmc dev ${mmcdev}; if mmc rescan; then " \ 76 "if run loadbootscript; then " \ 77 "run bootscript; " \ 78 "else " \ 79 "if run loaduimage; then " \ 80 "run mmcboot; " \ 81 "else run nandboot; " \ 82 "fi; " \ 83 "fi; " \ 84 "else run nandboot; fi" 85 #endif /* CONFIG_SPL_BUILD */ 86 87 #define CONFIG_TIMESTAMP 88 #define CONFIG_SYS_AUTOLOAD "no" 89 90 /* Serial console configuration */ 91 #define CONFIG_CONS_INDEX 1 92 #define CONFIG_SERIAL1 1 /* UART0 */ 93 94 /* NS16550 Configuration */ 95 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ 96 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 97 #define CONFIG_BAUDRATE 115200 98 99 /* I2C Configuration */ 100 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 101 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 102 #define CONFIG_SYS_I2C_EEPROM_BUS 0 103 104 /* SPL */ 105 #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/am33xx/u-boot-spl.lds" 106 107 /* Network. */ 108 #define CONFIG_PHY_GIGE 109 #define CONFIG_PHYLIB 110 #define CONFIG_PHY_ATHEROS 111 112 /* NAND support */ 113 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 114 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 115 CONFIG_SYS_NAND_PAGE_SIZE) 116 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 117 #define CONFIG_SYS_NAND_OOBSIZE 64 118 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 119 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 120 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 121 10, 11, 12, 13, 14, 15, 16, 17, \ 122 18, 19, 20, 21, 22, 23, 24, 25, \ 123 26, 27, 28, 29, 30, 31, 32, 33, \ 124 34, 35, 36, 37, 38, 39, 40, 41, \ 125 42, 43, 44, 45, 46, 47, 48, 49, \ 126 50, 51, 52, 53, 54, 55, 56, 57, } 127 128 #define CONFIG_SYS_NAND_ECCSIZE 512 129 #define CONFIG_SYS_NAND_ECCBYTES 14 130 131 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 132 133 #undef CONFIG_SYS_NAND_U_BOOT_OFFS 134 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000 135 136 #define CONFIG_CMD_NAND 137 #define MTDIDS_DEFAULT "nand0=nand" 138 #define MTDPARTS_DEFAULT "mtdparts=nand:2m(spl)," \ 139 "1m(u-boot),1m(u-boot-env)," \ 140 "1m(dtb),4m(splash)," \ 141 "6m(kernel),-(rootfs)" 142 #define CONFIG_ENV_IS_IN_NAND 143 #define CONFIG_ENV_OFFSET 0x300000 /* environment starts here */ 144 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 145 #define CONFIG_SYS_NAND_ONFI_DETECTION 146 #ifdef CONFIG_SPL_OS_BOOT 147 #define CONFIG_CMD_SPL_NAND_OFS 0x400000 /* un-assigned: (using dtb) */ 148 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000 149 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 150 #endif 151 152 /* GPIO pin + bank to pin ID mapping */ 153 #define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin) 154 155 /* Status LED */ 156 #define CONFIG_STATUS_LED 157 #define CONFIG_GPIO_LED 158 #define CONFIG_BOARD_SPECIFIC_LED 159 #define STATUS_LED_BIT GPIO_PIN(2, 0) 160 /* Status LED polarity is inversed, so init it in the "off" state */ 161 #define STATUS_LED_STATE STATUS_LED_OFF 162 #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) 163 #define STATUS_LED_BOOT 0 164 165 /* EEPROM */ 166 #define CONFIG_CMD_EEPROM 167 #define CONFIG_ENV_EEPROM_IS_ON_I2C 168 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 169 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 170 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 171 #define CONFIG_SYS_EEPROM_SIZE 256 172 173 #define CONFIG_CMD_EEPROM_LAYOUT 174 #define CONFIG_EEPROM_LAYOUT_HELP_STRING "v2, v3" 175 176 #ifndef CONFIG_SPL_BUILD 177 /* 178 * Enable PCA9555 at I2C0-0x26. 179 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command. 180 */ 181 #define CONFIG_PCA953X 182 #define CONFIG_CMD_PCA953X 183 #define CONFIG_CMD_PCA953X_INFO 184 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x26 185 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} } 186 #endif /* CONFIG_SPL_BUILD */ 187 188 #endif /* __CONFIG_CM_T335_H */ 189 190