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 16 #include <configs/ti_am335x_common.h> 17 18 #undef CONFIG_SPI 19 #undef CONFIG_OMAP3_SPI 20 #undef CONFIG_BOOTCOUNT_LIMIT 21 #undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC 22 23 #undef CONFIG_MAX_RAM_BANK_SIZE 24 #define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* 512MB */ 25 26 #define CONFIG_MACH_TYPE MACH_TYPE_CM_T335 27 28 /* Clock Defines */ 29 #define V_OSCK 25000000 /* Clock output from T2 */ 30 #define V_SCLK (V_OSCK) 31 32 #define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */ 33 34 #ifndef CONFIG_SPL_BUILD 35 #define MMCARGS \ 36 "mmcdev=0\0" \ 37 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ 38 "mmcrootfstype=ext4\0" \ 39 "mmcargs=setenv bootargs console=${console} " \ 40 "root=${mmcroot} " \ 41 "rootfstype=${mmcrootfstype}\0" \ 42 "mmcboot=echo Booting from mmc ...; " \ 43 "run mmcargs; " \ 44 "bootm ${loadaddr}\0" 45 46 #define NANDARGS \ 47 "mtdids=" MTDIDS_DEFAULT "\0" \ 48 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 49 "nandroot=ubi0:rootfs rw\0" \ 50 "nandrootfstype=ubifs\0" \ 51 "nandargs=setenv bootargs console=${console} " \ 52 "root=${nandroot} " \ 53 "rootfstype=${nandrootfstype} " \ 54 "ubi.mtd=${rootfs_name}\0" \ 55 "nandboot=echo Booting from nand ...; " \ 56 "run nandargs; " \ 57 "nboot ${loadaddr} nand0 900000; " \ 58 "bootm ${loadaddr}\0" 59 60 #define CONFIG_EXTRA_ENV_SETTINGS \ 61 "loadaddr=82000000\0" \ 62 "console=ttyO0,115200n8\0" \ 63 "rootfs_name=rootfs\0" \ 64 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 65 "bootscript=echo Running bootscript from mmc ...; " \ 66 "source ${loadaddr}\0" \ 67 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 68 MMCARGS \ 69 NANDARGS 70 71 #define CONFIG_BOOTCOMMAND \ 72 "mmc dev ${mmcdev}; if mmc rescan; then " \ 73 "if run loadbootscript; then " \ 74 "run bootscript; " \ 75 "else " \ 76 "if run loaduimage; then " \ 77 "run mmcboot; " \ 78 "else run nandboot; " \ 79 "fi; " \ 80 "fi; " \ 81 "else run nandboot; fi" 82 #endif /* CONFIG_SPL_BUILD */ 83 84 #define CONFIG_TIMESTAMP 85 #define CONFIG_SYS_AUTOLOAD "no" 86 87 /* Serial console configuration */ 88 #define CONFIG_CONS_INDEX 1 89 #define CONFIG_SERIAL1 1 /* UART0 */ 90 91 /* NS16550 Configuration */ 92 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ 93 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 94 95 /* I2C Configuration */ 96 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 97 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 98 #define CONFIG_SYS_I2C_EEPROM_BUS 0 99 100 /* SPL */ 101 #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/u-boot-spl.lds" 102 103 /* Network. */ 104 #define CONFIG_PHY_ATHEROS 105 106 /* NAND support */ 107 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 108 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 109 CONFIG_SYS_NAND_PAGE_SIZE) 110 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 111 #define CONFIG_SYS_NAND_OOBSIZE 64 112 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 113 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 114 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 115 10, 11, 12, 13, 14, 15, 16, 17, \ 116 18, 19, 20, 21, 22, 23, 24, 25, \ 117 26, 27, 28, 29, 30, 31, 32, 33, \ 118 34, 35, 36, 37, 38, 39, 40, 41, \ 119 42, 43, 44, 45, 46, 47, 48, 49, \ 120 50, 51, 52, 53, 54, 55, 56, 57, } 121 122 #define CONFIG_SYS_NAND_ECCSIZE 512 123 #define CONFIG_SYS_NAND_ECCBYTES 14 124 125 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 126 127 #undef CONFIG_SYS_NAND_U_BOOT_OFFS 128 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000 129 130 #define MTDIDS_DEFAULT "nand0=nand" 131 #define MTDPARTS_DEFAULT "mtdparts=nand:2m(spl)," \ 132 "1m(u-boot),1m(u-boot-env)," \ 133 "1m(dtb),4m(splash)," \ 134 "6m(kernel),-(rootfs)" 135 #define CONFIG_ENV_OFFSET 0x300000 /* environment starts here */ 136 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 137 #define CONFIG_SYS_NAND_ONFI_DETECTION 138 #ifdef CONFIG_SPL_OS_BOOT 139 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000 140 #endif 141 142 /* GPIO pin + bank to pin ID mapping */ 143 #define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin) 144 145 /* Status LED */ 146 /* Status LED polarity is inversed, so init it in the "off" state */ 147 148 /* EEPROM */ 149 #define CONFIG_ENV_EEPROM_IS_ON_I2C 150 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 151 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 152 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 153 #define CONFIG_SYS_EEPROM_SIZE 256 154 155 #ifndef CONFIG_SPL_BUILD 156 /* 157 * Enable PCA9555 at I2C0-0x26. 158 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command. 159 */ 160 #define CONFIG_PCA953X 161 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x26 162 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} } 163 #endif /* CONFIG_SPL_BUILD */ 164 165 #endif /* __CONFIG_CM_T335_H */ 166 167