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mx6: add clock enabling functions
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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
30#undef CONFIG_SYS_PROMPT
31#define CONFIG_SYS_PROMPT "CM-T335 # "
32
33#define CONFIG_OMAP_COMMON
34
35#define MACH_TYPE_CM_T335 4586 /* Until the next sync */
36#define CONFIG_MACH_TYPE MACH_TYPE_CM_T335
37
38/* Clock Defines */
39#define V_OSCK 25000000 /* Clock output from T2 */
40#define V_SCLK (V_OSCK)
41
42#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
43
44#ifndef CONFIG_SPL_BUILD
45#define MMCARGS \
46 "mmcdev=0\0" \
47 "mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
48 "mmcrootfstype=ext4\0" \
49 "mmcargs=setenv bootargs console=${console} " \
50 "root=${mmcroot} " \
51 "rootfstype=${mmcrootfstype}\0" \
52 "mmcboot=echo Booting from mmc ...; " \
53 "run mmcargs; " \
54 "bootm ${loadaddr}\0"
55
56#define NANDARGS \
57 "mtdids=" MTDIDS_DEFAULT "\0" \
58 "mtdparts=" MTDPARTS_DEFAULT "\0" \
59 "nandroot=ubi0:rootfs rw\0" \
60 "nandrootfstype=ubifs\0" \
61 "nandargs=setenv bootargs console=${console} " \
62 "root=${nandroot} " \
63 "rootfstype=${nandrootfstype} " \
64 "ubi.mtd=${rootfs_name}\0" \
65 "nandboot=echo Booting from nand ...; " \
66 "run nandargs; " \
67 "nboot ${loadaddr} nand0 900000; " \
68 "bootm ${loadaddr}\0"
69
70
71#define CONFIG_EXTRA_ENV_SETTINGS \
72 "loadaddr=82000000\0" \
73 "console=ttyO0,115200n8\0" \
74 "rootfs_name=rootfs\0" \
75 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
76 "bootscript=echo Running bootscript from mmc ...; " \
77 "source ${loadaddr}\0" \
78 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
79 MMCARGS \
80 NANDARGS
81
82#define CONFIG_BOOTCOMMAND \
83 "mmc dev ${mmcdev}; if mmc rescan; then " \
84 "if run loadbootscript; then " \
85 "run bootscript; " \
86 "else " \
87 "if run loaduimage; then " \
88 "run mmcboot; " \
89 "else run nandboot; " \
90 "fi; " \
91 "fi; " \
92 "else run nandboot; fi"
93#endif /* CONFIG_SPL_BUILD */
94
95#define CONFIG_TIMESTAMP
96#define CONFIG_SYS_AUTOLOAD "no"
97
98/* Serial console configuration */
99#define CONFIG_CONS_INDEX 1
100#define CONFIG_SERIAL1 1 /* UART0 */
101
102/* NS16550 Configuration */
103#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
104#define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
105#define CONFIG_BAUDRATE 115200
106
107/* I2C Configuration */
108#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
109#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
110
111/* SPL */
112#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
113
114/* Network. */
115#define CONFIG_PHY_GIGE
116#define CONFIG_PHYLIB
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117#define CONFIG_PHY_ATHEROS
118
119/* NAND support */
120#define CONFIG_SYS_NAND_5_ADDR_CYCLE
121#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
122 CONFIG_SYS_NAND_PAGE_SIZE)
123#define CONFIG_SYS_NAND_PAGE_SIZE 2048
124#define CONFIG_SYS_NAND_OOBSIZE 64
125#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
126#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
127#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
128 10, 11, 12, 13, 14, 15, 16, 17, \
129 18, 19, 20, 21, 22, 23, 24, 25, \
130 26, 27, 28, 29, 30, 31, 32, 33, \
131 34, 35, 36, 37, 38, 39, 40, 41, \
132 42, 43, 44, 45, 46, 47, 48, 49, \
133 50, 51, 52, 53, 54, 55, 56, 57, }
134
135#define CONFIG_SYS_NAND_ECCSIZE 512
136#define CONFIG_SYS_NAND_ECCBYTES 14
137
138#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
139
140#undef CONFIG_SYS_NAND_U_BOOT_OFFS
141#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000
142
143#define CONFIG_CMD_NAND
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144#define MTDIDS_DEFAULT "nand0=nand"
145#define MTDPARTS_DEFAULT "mtdparts=nand:2m(spl)," \
146 "1m(u-boot),1m(u-boot-env)," \
147 "1m(dtb),4m(splash)," \
148 "6m(kernel),-(rootfs)"
149#define CONFIG_ENV_IS_IN_NAND
150#define CONFIG_ENV_OFFSET 0x300000 /* environment starts here */
151#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
152#define CONFIG_SYS_NAND_ONFI_DETECTION
434f2cfc 153#ifdef CONFIG_SPL_OS_BOOT
154#define CONFIG_CMD_SPL_NAND_OFS 0x400000 /* un-assigned: (using dtb) */
155#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x500000
156#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
157#endif
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158
159/* GPIO pin + bank to pin ID mapping */
160#define GPIO_PIN(_bank, _pin) ((_bank << 5) + _pin)
161
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162/* Status LED */
163#define CONFIG_STATUS_LED
164#define CONFIG_GPIO_LED
165#define CONFIG_BOARD_SPECIFIC_LED
166#define STATUS_LED_BIT GPIO_PIN(2, 0)
167/* Status LED polarity is inversed, so init it in the "off" state */
168#define STATUS_LED_STATE STATUS_LED_OFF
169#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
170#define STATUS_LED_BOOT 0
171
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172#ifndef CONFIG_SPL_BUILD
173/*
174 * Enable PCA9555 at I2C0-0x26.
175 * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
176 */
177#define CONFIG_PCA953X
178#define CONFIG_CMD_PCA953X
179#define CONFIG_CMD_PCA953X_INFO
180#define CONFIG_SYS_I2C_PCA953X_ADDR 0x26
181#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x26, 16} }
182#endif /* CONFIG_SPL_BUILD */
183
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184#endif /* __CONFIG_CM_T335_H */
185