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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_CMD_SPI
23#undef CONFIG_SPL_OS_BOOT
24#undef CONFIG_BOOTCOUNT_LIMIT
25#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
26
27#undef CONFIG_MAX_RAM_BANK_SIZE
28#define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* 512MB */
29
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30#define CONFIG_OMAP_COMMON
31
32#define MACH_TYPE_CM_T335 4586 /* Until the next sync */
33#define CONFIG_MACH_TYPE MACH_TYPE_CM_T335
34
35/* Clock Defines */
36#define V_OSCK 25000000 /* Clock output from T2 */
37#define V_SCLK (V_OSCK)
38
39#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
40
41#ifndef CONFIG_SPL_BUILD
42#define MMCARGS \
43 "mmcdev=0\0" \
44 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
45 "mmcrootfstype=ext4\0" \
46 "mmcargs=setenv bootargs console=${console} " \
47 "root=${mmcroot} " \
48 "rootfstype=${mmcrootfstype}\0" \
49 "mmcboot=echo Booting from mmc ...; " \
50 "run mmcargs; " \
51 "bootm ${loadaddr}\0"
52
53#define NANDARGS \
54 "mtdids=" MTDIDS_DEFAULT "\0" \
55 "mtdparts=" MTDPARTS_DEFAULT "\0" \
56 "nandroot=ubi0:rootfs rw\0" \
57 "nandrootfstype=ubifs\0" \
58 "nandargs=setenv bootargs console=${console} " \
59 "root=${nandroot} " \
60 "rootfstype=${nandrootfstype} " \
61 "ubi.mtd=${rootfs_name}\0" \
62 "nandboot=echo Booting from nand ...; " \
63 "run nandargs; " \
64 "nboot ${loadaddr} nand0 900000; " \
65 "bootm ${loadaddr}\0"
66
67
68#define CONFIG_EXTRA_ENV_SETTINGS \
69 "loadaddr=82000000\0" \
70 "console=ttyO0,115200n8\0" \
71 "rootfs_name=rootfs\0" \
72 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
73 "bootscript=echo Running bootscript from mmc ...; " \
74 "source ${loadaddr}\0" \
75 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
76 MMCARGS \
77 NANDARGS
78
79#define CONFIG_BOOTCOMMAND \
80 "mmc dev ${mmcdev}; if mmc rescan; then " \
81 "if run loadbootscript; then " \
82 "run bootscript; " \
83 "else " \
84 "if run loaduimage; then " \
85 "run mmcboot; " \
86 "else run nandboot; " \
87 "fi; " \
88 "fi; " \
89 "else run nandboot; fi"
90#endif /* CONFIG_SPL_BUILD */
91
92#define CONFIG_TIMESTAMP
93#define CONFIG_SYS_AUTOLOAD "no"
94
95/* Serial console configuration */
96#define CONFIG_CONS_INDEX 1
97#define CONFIG_SERIAL1 1 /* UART0 */
98
99/* NS16550 Configuration */
100#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
101#define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
102#define CONFIG_BAUDRATE 115200
103
104/* I2C Configuration */
105#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
106#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
52658fda 107#define CONFIG_SYS_I2C_EEPROM_BUS 0
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108
109/* SPL */
110#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
111
112/* Network. */
113#define CONFIG_PHY_GIGE
114#define CONFIG_PHYLIB
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115#define CONFIG_PHY_ATHEROS
116
117/* NAND support */
118#define CONFIG_SYS_NAND_5_ADDR_CYCLE
119#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
120 CONFIG_SYS_NAND_PAGE_SIZE)
121#define CONFIG_SYS_NAND_PAGE_SIZE 2048
122#define CONFIG_SYS_NAND_OOBSIZE 64
123#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
124#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
125#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
126 10, 11, 12, 13, 14, 15, 16, 17, \
127 18, 19, 20, 21, 22, 23, 24, 25, \
128 26, 27, 28, 29, 30, 31, 32, 33, \
129 34, 35, 36, 37, 38, 39, 40, 41, \
130 42, 43, 44, 45, 46, 47, 48, 49, \
131 50, 51, 52, 53, 54, 55, 56, 57, }
132
133#define CONFIG_SYS_NAND_ECCSIZE 512
134#define CONFIG_SYS_NAND_ECCBYTES 14
135
136#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
137
138#undef CONFIG_SYS_NAND_U_BOOT_OFFS
139#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000
140
141#define CONFIG_CMD_NAND
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142#define MTDIDS_DEFAULT "nand0=nand"
143#define MTDPARTS_DEFAULT "mtdparts=nand:2m(spl)," \
144 "1m(u-boot),1m(u-boot-env)," \
145 "1m(dtb),4m(splash)," \
146 "6m(kernel),-(rootfs)"
147#define CONFIG_ENV_IS_IN_NAND
148#define CONFIG_ENV_OFFSET 0x300000 /* environment starts here */
149#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
150#define CONFIG_SYS_NAND_ONFI_DETECTION
434f2cfc 151#ifdef CONFIG_SPL_OS_BOOT
152#define CONFIG_CMD_SPL_NAND_OFS 0x400000 /* un-assigned: (using dtb) */
153#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
154#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
155#endif
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156
157/* GPIO pin + bank to pin ID mapping */
158#define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin)
159
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160/* Status LED */
161#define CONFIG_STATUS_LED
162#define CONFIG_GPIO_LED
163#define CONFIG_BOARD_SPECIFIC_LED
164#define STATUS_LED_BIT GPIO_PIN(2, 0)
165/* Status LED polarity is inversed, so init it in the "off" state */
166#define STATUS_LED_STATE STATUS_LED_OFF
167#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
168#define STATUS_LED_BOOT 0
169
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170#ifndef CONFIG_SPL_BUILD
171/*
172 * Enable PCA9555 at I2C0-0x26.
173 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
174 */
175#define CONFIG_PCA953X
176#define CONFIG_CMD_PCA953X
177#define CONFIG_CMD_PCA953X_INFO
178#define CONFIG_SYS_I2C_PCA953X_ADDR 0x26
179#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} }
180#endif /* CONFIG_SPL_BUILD */
181
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182#endif /* __CONFIG_CM_T335_H */
183