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)
22 #ifndef CONFIG_SPL_BUILD
25 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
26 "mmcrootfstype=ext4\0" \
27 "mmcargs=setenv bootargs console=${console} " \
29 "rootfstype=${mmcrootfstype}\0" \
30 "mmcboot=echo Booting from mmc ...; " \
35 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
36 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
37 "nandroot=ubi0:rootfs rw\0" \
38 "nandrootfstype=ubifs\0" \
39 "nandargs=setenv bootargs console=${console} " \
41 "rootfstype=${nandrootfstype} " \
42 "ubi.mtd=${rootfs_name}\0" \
43 "nandboot=echo Booting from nand ...; " \
45 "nboot ${loadaddr} nand0 900000; " \
48 #define CONFIG_EXTRA_ENV_SETTINGS \
49 "loadaddr=82000000\0" \
50 "console=ttyO0,115200n8\0" \
51 "rootfs_name=rootfs\0" \
52 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
53 "bootscript=echo Running bootscript from mmc ...; " \
54 "source ${loadaddr}\0" \
55 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
58 #endif /* CONFIG_SPL_BUILD */
60 #define CONFIG_SYS_AUTOLOAD "no"
62 /* Serial console configuration */
64 /* NS16550 Configuration */
65 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
66 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
68 /* I2C Configuration */
75 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
76 10, 11, 12, 13, 14, 15, 16, 17, \
77 18, 19, 20, 21, 22, 23, 24, 25, \
78 26, 27, 28, 29, 30, 31, 32, 33, \
79 34, 35, 36, 37, 38, 39, 40, 41, \
80 42, 43, 44, 45, 46, 47, 48, 49, \
81 50, 51, 52, 53, 54, 55, 56, 57, }
83 #define CONFIG_SYS_NAND_ECCSIZE 512
84 #define CONFIG_SYS_NAND_ECCBYTES 14
86 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
88 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
89 #ifdef CONFIG_SPL_OS_BOOT
90 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
93 /* GPIO pin + bank to pin ID mapping */
94 #define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin)
97 /* Status LED polarity is inversed, so init it in the "off" state */
101 #ifndef CONFIG_SPL_BUILD
103 * Enable PCA9555 at I2C0-0x26.
104 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
106 #define CONFIG_PCA953X
107 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x26
108 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} }
109 #endif /* CONFIG_SPL_BUILD */
111 #endif /* __CONFIG_CM_T335_H */