xref: /openbmc/u-boot/include/configs/cm_t335.h (revision 48263504)
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 
16 #include <configs/ti_am335x_common.h>
17 
18 #undef CONFIG_SPI
19 #undef CONFIG_BOOTCOUNT_LIMIT
20 #undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
21 
22 #undef CONFIG_MAX_RAM_BANK_SIZE
23 #define CONFIG_MAX_RAM_BANK_SIZE	(512 << 20)	/* 512MB */
24 
25 #define CONFIG_MACH_TYPE		MACH_TYPE_CM_T335
26 
27 /* Clock Defines */
28 #define V_OSCK				25000000  /* Clock output from T2 */
29 #define V_SCLK				(V_OSCK)
30 
31 #define CONFIG_ENV_SIZE			(16 << 10)	/* 16 KiB */
32 
33 #ifndef CONFIG_SPL_BUILD
34 #define MMCARGS \
35 	"mmcdev=0\0" \
36 	"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
37 	"mmcrootfstype=ext4\0" \
38 	"mmcargs=setenv bootargs console=${console} " \
39 		"root=${mmcroot} " \
40 		"rootfstype=${mmcrootfstype}\0" \
41 	"mmcboot=echo Booting from mmc ...; " \
42 		"run mmcargs; " \
43 		"bootm ${loadaddr}\0"
44 
45 #define NANDARGS \
46 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
47 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
48 	"nandroot=ubi0:rootfs rw\0" \
49 	"nandrootfstype=ubifs\0" \
50 	"nandargs=setenv bootargs console=${console} " \
51 		"root=${nandroot} " \
52 		"rootfstype=${nandrootfstype} " \
53 		"ubi.mtd=${rootfs_name}\0" \
54 	"nandboot=echo Booting from nand ...; " \
55 		"run nandargs; " \
56 		"nboot ${loadaddr} nand0 900000; " \
57 		"bootm ${loadaddr}\0"
58 
59 #define CONFIG_EXTRA_ENV_SETTINGS \
60 	"loadaddr=82000000\0" \
61 	"console=ttyO0,115200n8\0" \
62 	"rootfs_name=rootfs\0" \
63 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
64 	"bootscript=echo Running bootscript from mmc ...; " \
65 		"source ${loadaddr}\0" \
66 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
67 	MMCARGS \
68 	NANDARGS
69 
70 #define CONFIG_BOOTCOMMAND \
71 	"mmc dev ${mmcdev}; if mmc rescan; then " \
72 		"if run loadbootscript; then " \
73 			"run bootscript; " \
74 		"else " \
75 			"if run loaduimage; then " \
76 				"run mmcboot; " \
77 			"else run nandboot; " \
78 			"fi; " \
79 		"fi; " \
80 	"else run nandboot; fi"
81 #endif /* CONFIG_SPL_BUILD */
82 
83 #define CONFIG_TIMESTAMP
84 #define CONFIG_SYS_AUTOLOAD		"no"
85 
86 /* Serial console configuration */
87 #define CONFIG_CONS_INDEX		1
88 #define CONFIG_SERIAL1			1	/* UART0 */
89 
90 /* NS16550 Configuration */
91 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
92 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
93 
94 /* I2C Configuration */
95 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
96 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
97 #define CONFIG_SYS_I2C_EEPROM_BUS	0
98 
99 /* SPL */
100 
101 /* Network. */
102 #define CONFIG_PHY_ATHEROS
103 
104 /* NAND support */
105 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
106 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
107 					 CONFIG_SYS_NAND_PAGE_SIZE)
108 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
109 #define CONFIG_SYS_NAND_OOBSIZE		64
110 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
111 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
112 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
113 					 10, 11, 12, 13, 14, 15, 16, 17, \
114 					 18, 19, 20, 21, 22, 23, 24, 25, \
115 					 26, 27, 28, 29, 30, 31, 32, 33, \
116 					 34, 35, 36, 37, 38, 39, 40, 41, \
117 					 42, 43, 44, 45, 46, 47, 48, 49, \
118 					 50, 51, 52, 53, 54, 55, 56, 57, }
119 
120 #define CONFIG_SYS_NAND_ECCSIZE		512
121 #define CONFIG_SYS_NAND_ECCBYTES	14
122 
123 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
124 
125 #undef CONFIG_SYS_NAND_U_BOOT_OFFS
126 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
127 
128 #define CONFIG_ENV_OFFSET		0x300000 /* environment starts here */
129 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
130 #define CONFIG_SYS_NAND_ONFI_DETECTION
131 #ifdef CONFIG_SPL_OS_BOOT
132 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x500000
133 #endif
134 
135 /* GPIO pin + bank to pin ID mapping */
136 #define GPIO_PIN(_bank, _pin)		((_bank << 5) + _pin)
137 
138 /* Status LED */
139 /* Status LED polarity is inversed, so init it in the "off" state */
140 
141 /* EEPROM */
142 #define CONFIG_ENV_EEPROM_IS_ON_I2C
143 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
144 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
145 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
146 #define CONFIG_SYS_EEPROM_SIZE			256
147 
148 #ifndef CONFIG_SPL_BUILD
149 /*
150  * Enable PCA9555 at I2C0-0x26.
151  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
152  */
153 #define CONFIG_PCA953X
154 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x26
155 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x26, 16} }
156 #endif /* CONFIG_SPL_BUILD */
157 
158 #endif	/* __CONFIG_CM_T335_H */
159 
160