xref: /openbmc/u-boot/include/configs/cm_t335.h (revision d024236e5a31a2b4b82cbcc98b31b8170fc88d28)
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_MAX_RAM_BANK_SIZE
19 #define CONFIG_MAX_RAM_BANK_SIZE	(512 << 20)	/* 512MB */
20 
21 #define CONFIG_MACH_TYPE		MACH_TYPE_CM_T335
22 
23 /* Clock Defines */
24 #define V_OSCK				25000000  /* Clock output from T2 */
25 #define V_SCLK				(V_OSCK)
26 
27 #define CONFIG_ENV_SIZE			(16 << 10)	/* 16 KiB */
28 
29 #ifndef CONFIG_SPL_BUILD
30 #define MMCARGS \
31 	"mmcdev=0\0" \
32 	"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
33 	"mmcrootfstype=ext4\0" \
34 	"mmcargs=setenv bootargs console=${console} " \
35 		"root=${mmcroot} " \
36 		"rootfstype=${mmcrootfstype}\0" \
37 	"mmcboot=echo Booting from mmc ...; " \
38 		"run mmcargs; " \
39 		"bootm ${loadaddr}\0"
40 
41 #define NANDARGS \
42 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
43 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
44 	"nandroot=ubi0:rootfs rw\0" \
45 	"nandrootfstype=ubifs\0" \
46 	"nandargs=setenv bootargs console=${console} " \
47 		"root=${nandroot} " \
48 		"rootfstype=${nandrootfstype} " \
49 		"ubi.mtd=${rootfs_name}\0" \
50 	"nandboot=echo Booting from nand ...; " \
51 		"run nandargs; " \
52 		"nboot ${loadaddr} nand0 900000; " \
53 		"bootm ${loadaddr}\0"
54 
55 #define CONFIG_EXTRA_ENV_SETTINGS \
56 	"loadaddr=82000000\0" \
57 	"console=ttyO0,115200n8\0" \
58 	"rootfs_name=rootfs\0" \
59 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
60 	"bootscript=echo Running bootscript from mmc ...; " \
61 		"source ${loadaddr}\0" \
62 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
63 	MMCARGS \
64 	NANDARGS
65 
66 #define CONFIG_BOOTCOMMAND \
67 	"mmc dev ${mmcdev}; if mmc rescan; then " \
68 		"if run loadbootscript; then " \
69 			"run bootscript; " \
70 		"else " \
71 			"if run loaduimage; then " \
72 				"run mmcboot; " \
73 			"else run nandboot; " \
74 			"fi; " \
75 		"fi; " \
76 	"else run nandboot; fi"
77 #endif /* CONFIG_SPL_BUILD */
78 
79 #define CONFIG_TIMESTAMP
80 #define CONFIG_SYS_AUTOLOAD		"no"
81 
82 /* Serial console configuration */
83 #define CONFIG_SERIAL1			1	/* UART0 */
84 
85 /* NS16550 Configuration */
86 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
87 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
88 
89 /* I2C Configuration */
90 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
91 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
92 #define CONFIG_SYS_I2C_EEPROM_BUS	0
93 
94 /* SPL */
95 
96 /* Network. */
97 #define CONFIG_PHY_ATHEROS
98 
99 /* NAND support */
100 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
101 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
102 					 CONFIG_SYS_NAND_PAGE_SIZE)
103 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
104 #define CONFIG_SYS_NAND_OOBSIZE		64
105 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
106 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
107 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
108 					 10, 11, 12, 13, 14, 15, 16, 17, \
109 					 18, 19, 20, 21, 22, 23, 24, 25, \
110 					 26, 27, 28, 29, 30, 31, 32, 33, \
111 					 34, 35, 36, 37, 38, 39, 40, 41, \
112 					 42, 43, 44, 45, 46, 47, 48, 49, \
113 					 50, 51, 52, 53, 54, 55, 56, 57, }
114 
115 #define CONFIG_SYS_NAND_ECCSIZE		512
116 #define CONFIG_SYS_NAND_ECCBYTES	14
117 
118 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
119 
120 #undef CONFIG_SYS_NAND_U_BOOT_OFFS
121 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
122 
123 #define CONFIG_ENV_OFFSET		0x300000 /* environment starts here */
124 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
125 #define CONFIG_SYS_NAND_ONFI_DETECTION
126 #ifdef CONFIG_SPL_OS_BOOT
127 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x500000
128 #endif
129 
130 /* GPIO pin + bank to pin ID mapping */
131 #define GPIO_PIN(_bank, _pin)		((_bank << 5) + _pin)
132 
133 /* Status LED */
134 /* Status LED polarity is inversed, so init it in the "off" state */
135 
136 /* EEPROM */
137 #define CONFIG_ENV_EEPROM_IS_ON_I2C
138 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
139 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
140 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
141 #define CONFIG_SYS_EEPROM_SIZE			256
142 
143 #ifndef CONFIG_SPL_BUILD
144 /*
145  * Enable PCA9555 at I2C0-0x26.
146  * First select the I2C0 bus with "i2c dev 0", then use "pca953x" command.
147  */
148 #define CONFIG_PCA953X
149 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x26
150 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x26, 16} }
151 #endif /* CONFIG_SPL_BUILD */
152 
153 #endif	/* __CONFIG_CM_T335_H */
154 
155