| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Config file for Compulab CM-T335 board |
| * |
| * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/ |
| * |
| * Author: Ilya Ledvich <ilya@compulab.co.il> |
| */ |
| |
| #ifndef __CONFIG_CM_T335_H |
| #define __CONFIG_CM_T335_H |
| |
| #include <configs/ti_am335x_common.h> |
| |
| #undef CONFIG_MAX_RAM_BANK_SIZE |
| #define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* 512MB */ |
| |
| /* Clock Defines */ |
| #define V_OSCK 25000000 /* Clock output from T2 */ |
| #define V_SCLK (V_OSCK) |
| |
| #ifndef CONFIG_SPL_BUILD |
| #define MMCARGS \ |
| "mmcdev=0\0" \ |
| "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \ |
| "mmcrootfstype=ext4\0" \ |
| "mmcargs=setenv bootargs console=${console} " \ |
| "root=${mmcroot} " \ |
| "rootfstype=${mmcrootfstype}\0" \ |
| "mmcboot=echo Booting from mmc ...; " \ |
| "run mmcargs; " \ |
| "bootm ${loadaddr}\0" |
| |
| #define NANDARGS \ |
| "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ |
| "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ |
| "nandroot=ubi0:rootfs rw\0" \ |
| "nandrootfstype=ubifs\0" \ |
| "nandargs=setenv bootargs console=${console} " \ |
| "root=${nandroot} " \ |
| "rootfstype=${nandrootfstype} " \ |
| "ubi.mtd=${rootfs_name}\0" \ |
| "nandboot=echo Booting from nand ...; " \ |
| "run nandargs; " \ |
| "nboot ${loadaddr} nand0 900000; " \ |
| "bootm ${loadaddr}\0" |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "loadaddr=82000000\0" \ |
| "console=ttyO0,115200n8\0" \ |
| "rootfs_name=rootfs\0" \ |
| "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ |
| "bootscript=echo Running bootscript from mmc ...; " \ |
| "source ${loadaddr}\0" \ |
| "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ |
| MMCARGS \ |
| NANDARGS |
| |
| #define CONFIG_BOOTCOMMAND \ |
| "mmc dev ${mmcdev}; if mmc rescan; then " \ |
| "if run loadbootscript; then " \ |
| "run bootscript; " \ |
| "else " \ |
| "if run loaduimage; then " \ |
| "run mmcboot; " \ |
| "else run nandboot; " \ |
| "fi; " \ |
| "fi; " \ |
| "else run nandboot; fi" |
| #endif /* CONFIG_SPL_BUILD */ |
| |
| #define CONFIG_TIMESTAMP |
| #define CONFIG_SYS_AUTOLOAD "no" |
| |
| /* Serial console configuration */ |
| |
| /* NS16550 Configuration */ |
| #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ |
| #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ |
| |
| /* I2C Configuration */ |
| |
| /* SPL */ |
| |
| /* Network. */ |
| |
| /* NAND support */ |
| #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ |
| 10, 11, 12, 13, 14, 15, 16, 17, \ |
| 18, 19, 20, 21, 22, 23, 24, 25, \ |
| 26, 27, 28, 29, 30, 31, 32, 33, \ |
| 34, 35, 36, 37, 38, 39, 40, 41, \ |
| 42, 43, 44, 45, 46, 47, 48, 49, \ |
| 50, 51, 52, 53, 54, 55, 56, 57, } |
| |
| #define CONFIG_SYS_NAND_ECCSIZE 512 |
| #define CONFIG_SYS_NAND_ECCBYTES 14 |
| |
| #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE |
| |
| #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ |
| #ifdef CONFIG_SPL_OS_BOOT |
| #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000 |
| #endif |
| |
| /* GPIO pin + bank to pin ID mapping */ |
| #define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin) |
| |
| /* Status LED */ |
| /* Status LED polarity is inversed, so init it in the "off" state */ |
| |
| /* EEPROM */ |
| |
| #ifndef CONFIG_SPL_BUILD |
| /* |
| * Enable PCA9555 at I2C0-0x26. |
| * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command. |
| */ |
| #define CONFIG_PCA953X |
| #define CONFIG_SYS_I2C_PCA953X_ADDR 0x26 |
| #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} } |
| #endif /* CONFIG_SPL_BUILD */ |
| |
| #endif /* __CONFIG_CM_T335_H */ |