xref: /openbmc/u-boot/include/configs/cm_t335.h (revision 704744f8)
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 
20 #undef CONFIG_MAX_RAM_BANK_SIZE
21 #define CONFIG_MAX_RAM_BANK_SIZE	(512 << 20)	/* 512MB */
22 
23 #define CONFIG_MACH_TYPE		MACH_TYPE_CM_T335
24 
25 /* Clock Defines */
26 #define V_OSCK				25000000  /* Clock output from T2 */
27 #define V_SCLK				(V_OSCK)
28 
29 #define CONFIG_ENV_SIZE			(16 << 10)	/* 16 KiB */
30 
31 #ifndef CONFIG_SPL_BUILD
32 #define MMCARGS \
33 	"mmcdev=0\0" \
34 	"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
35 	"mmcrootfstype=ext4\0" \
36 	"mmcargs=setenv bootargs console=${console} " \
37 		"root=${mmcroot} " \
38 		"rootfstype=${mmcrootfstype}\0" \
39 	"mmcboot=echo Booting from mmc ...; " \
40 		"run mmcargs; " \
41 		"bootm ${loadaddr}\0"
42 
43 #define NANDARGS \
44 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
45 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
46 	"nandroot=ubi0:rootfs rw\0" \
47 	"nandrootfstype=ubifs\0" \
48 	"nandargs=setenv bootargs console=${console} " \
49 		"root=${nandroot} " \
50 		"rootfstype=${nandrootfstype} " \
51 		"ubi.mtd=${rootfs_name}\0" \
52 	"nandboot=echo Booting from nand ...; " \
53 		"run nandargs; " \
54 		"nboot ${loadaddr} nand0 900000; " \
55 		"bootm ${loadaddr}\0"
56 
57 #define CONFIG_EXTRA_ENV_SETTINGS \
58 	"loadaddr=82000000\0" \
59 	"console=ttyO0,115200n8\0" \
60 	"rootfs_name=rootfs\0" \
61 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
62 	"bootscript=echo Running bootscript from mmc ...; " \
63 		"source ${loadaddr}\0" \
64 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
65 	MMCARGS \
66 	NANDARGS
67 
68 #define CONFIG_BOOTCOMMAND \
69 	"mmc dev ${mmcdev}; if mmc rescan; then " \
70 		"if run loadbootscript; then " \
71 			"run bootscript; " \
72 		"else " \
73 			"if run loaduimage; then " \
74 				"run mmcboot; " \
75 			"else run nandboot; " \
76 			"fi; " \
77 		"fi; " \
78 	"else run nandboot; fi"
79 #endif /* CONFIG_SPL_BUILD */
80 
81 #define CONFIG_TIMESTAMP
82 #define CONFIG_SYS_AUTOLOAD		"no"
83 
84 /* Serial console configuration */
85 #define CONFIG_SERIAL1			1	/* UART0 */
86 
87 /* NS16550 Configuration */
88 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
89 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
90 
91 /* I2C Configuration */
92 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
93 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
94 #define CONFIG_SYS_I2C_EEPROM_BUS	0
95 
96 /* SPL */
97 
98 /* Network. */
99 #define CONFIG_PHY_ATHEROS
100 
101 /* NAND support */
102 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
103 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
104 					 CONFIG_SYS_NAND_PAGE_SIZE)
105 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
106 #define CONFIG_SYS_NAND_OOBSIZE		64
107 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
108 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
109 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
110 					 10, 11, 12, 13, 14, 15, 16, 17, \
111 					 18, 19, 20, 21, 22, 23, 24, 25, \
112 					 26, 27, 28, 29, 30, 31, 32, 33, \
113 					 34, 35, 36, 37, 38, 39, 40, 41, \
114 					 42, 43, 44, 45, 46, 47, 48, 49, \
115 					 50, 51, 52, 53, 54, 55, 56, 57, }
116 
117 #define CONFIG_SYS_NAND_ECCSIZE		512
118 #define CONFIG_SYS_NAND_ECCBYTES	14
119 
120 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
121 
122 #undef CONFIG_SYS_NAND_U_BOOT_OFFS
123 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
124 
125 #define CONFIG_ENV_OFFSET		0x300000 /* environment starts here */
126 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
127 #define CONFIG_SYS_NAND_ONFI_DETECTION
128 #ifdef CONFIG_SPL_OS_BOOT
129 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x500000
130 #endif
131 
132 /* GPIO pin + bank to pin ID mapping */
133 #define GPIO_PIN(_bank, _pin)		((_bank << 5) + _pin)
134 
135 /* Status LED */
136 /* Status LED polarity is inversed, so init it in the "off" state */
137 
138 /* EEPROM */
139 #define CONFIG_ENV_EEPROM_IS_ON_I2C
140 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
141 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
142 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
143 #define CONFIG_SYS_EEPROM_SIZE			256
144 
145 #ifndef CONFIG_SPL_BUILD
146 /*
147  * Enable PCA9555 at I2C0-0x26.
148  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
149  */
150 #define CONFIG_PCA953X
151 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x26
152 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x26, 16} }
153 #endif /* CONFIG_SPL_BUILD */
154 
155 #endif	/* __CONFIG_CM_T335_H */
156 
157