1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Config file for Compulab CM-T335 board
5 * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/
7 * Author: Ilya Ledvich <ilya@compulab.co.il>
10 #ifndef __CONFIG_CM_T335_H
11 #define __CONFIG_CM_T335_H
13 #include <configs/ti_am335x_common.h>
15 #undef CONFIG_MAX_RAM_BANK_SIZE
16 #define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* 512MB */
19 #define V_OSCK 25000000 /* Clock output from T2 */
20 #define V_SCLK (V_OSCK)
24 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
25 "mmcrootfstype=ext4\0" \
26 "mmcargs=setenv bootargs console=${console} " \
28 "rootfstype=${mmcrootfstype}\0" \
29 "mmcboot=echo Booting from mmc ...; " \
34 "nandroot=ubi0:rootfs rw\0" \
35 "nandrootfstype=ubifs\0" \
36 "nandargs=setenv bootargs console=${console} " \
38 "rootfstype=${nandrootfstype} " \
39 "ubi.mtd=${rootfs_name}\0" \
40 "nandboot=echo Booting from nand ...; " \
42 "nboot ${loadaddr} nand0 900000; " \
45 #define CONFIG_EXTRA_ENV_SETTINGS \
46 "loadaddr=82000000\0" \
47 "console=ttyO0,115200n8\0" \
48 "rootfs_name=rootfs\0" \
49 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
50 "bootscript=echo Running bootscript from mmc ...; " \
51 "source ${loadaddr}\0" \
52 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
56 /* Serial console configuration */
58 /* NS16550 Configuration */
59 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
60 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
62 /* I2C Configuration */
69 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
70 10, 11, 12, 13, 14, 15, 16, 17, \
71 18, 19, 20, 21, 22, 23, 24, 25, \
72 26, 27, 28, 29, 30, 31, 32, 33, \
73 34, 35, 36, 37, 38, 39, 40, 41, \
74 42, 43, 44, 45, 46, 47, 48, 49, \
75 50, 51, 52, 53, 54, 55, 56, 57, }
77 #define CONFIG_SYS_NAND_ECCSIZE 512
78 #define CONFIG_SYS_NAND_ECCBYTES 14
80 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
82 /* GPIO pin + bank to pin ID mapping */
83 #define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin)
86 /* Status LED polarity is inversed, so init it in the "off" state */
91 * Enable PCA9555 at I2C0-0x26.
92 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
94 #define CONFIG_PCA953X
95 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x26
96 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} }
98 #endif /* __CONFIG_CM_T335_H */