1 /*
2  * Bluewater Systems Snapper 9260 and 9G20 modules
3  *
4  * (C) Copyright 2011 Bluewater Systems
5  *   Author: Andre Renaud <andre@bluewatersys.com>
6  *   Author: Ryan Mallon <ryan@bluewatersys.com>
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26 
27 #ifndef __CONFIG_H
28 #define __CONFIG_H
29 
30 /* SoC type is defined in boards.cfg */
31 #include <asm/hardware.h>
32 #include <asm/sizes.h>
33 
34 #define CONFIG_SYS_TEXT_BASE		0x20000000
35 
36 /* ARM asynchronous clock */
37 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000 /* External Crystal, in Hz */
38 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768
39 #define CONFIG_SYS_HZ			1000
40 
41 /* CPU */
42 #define CONFIG_ARCH_CPU_INIT
43 
44 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
45 #define CONFIG_SETUP_MEMORY_TAGS
46 #define CONFIG_INITRD_TAG
47 #define CONFIG_SKIP_LOWLEVEL_INIT
48 #define CONFIG_SKIP_RELOCATE_UBOOT
49 #define CONFIG_DISPLAY_CPUINFO
50 #define CONFIG_FIT
51 
52 /* SDRAM */
53 #define CONFIG_NR_DRAM_BANKS		1
54 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
55 #define CONFIG_SYS_SDRAM_SIZE		(64 * 1024 * 1024) /* 64MB */
56 #define CONFIG_SYS_INIT_SP_ADDR		(ATMEL_BASE_SRAM1 + 0x1000 - \
57 					 GENERATED_GBL_DATA_SIZE)
58 
59 /* Mem test settings */
60 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
61 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
62 
63 /* NAND Flash */
64 #define CONFIG_NAND_ATMEL
65 #define CONFIG_SYS_NO_FLASH
66 #define CONFIG_SYS_MAX_NAND_DEVICE	1
67 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
68 #define CONFIG_SYS_NAND_DBW_8
69 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21) /* AD21 */
70 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22) /* AD22 */
71 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
72 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
73 
74 /* Ethernet */
75 #define CONFIG_MACB
76 #define CONFIG_RMII
77 #define CONFIG_NET_RETRY_COUNT		20
78 #define CONFIG_RESET_PHY_R
79 #define CONFIG_TFTP_PORT
80 #define CONFIG_TFTP_TSIZE
81 
82 /* USB */
83 #define CONFIG_USB_ATMEL
84 #define CONFIG_USB_OHCI_NEW
85 #define CONFIG_DOS_PARTITION
86 #define CONFIG_SYS_USB_OHCI_CPU_INIT
87 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_UHP_BASE
88 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9260"
89 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
90 #define CONFIG_USB_STORAGE
91 
92 /* GPIOs and IO expander */
93 #define CONFIG_AT91_LEGACY
94 #define CONFIG_ATMEL_LEGACY
95 #define CONFIG_AT91_GPIO
96 #define CONFIG_AT91_GPIO_PULLUP		1
97 #define CONFIG_PCA953X
98 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x28
99 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x28, 16} }
100 
101 /* UARTs/Serial console */
102 #define CONFIG_ATMEL_USART
103 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
104 #define CONFIG_USART_ID			ATMEL_ID_SYS
105 #define CONFIG_BAUDRATE			115200
106 #define CONFIG_SYS_PROMPT		"Snapper> "
107 
108 /* I2C - Bit-bashed */
109 #define CONFIG_SOFT_I2C
110 #define CONFIG_SYS_I2C_SPEED		100000
111 #define CONFIG_SYS_I2C_SLAVE		0x7F
112 #define CONFIG_SOFT_I2C_READ_REPEATED_START
113 #define CONFIG_I2C_MULTI_BUS
114 #define I2C_INIT do {							\
115 		at91_set_gpio_output(AT91_PIN_PA23, 1);			\
116 		at91_set_gpio_output(AT91_PIN_PA24, 1);			\
117 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1);	\
118 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1);	\
119 	} while (0)
120 #define I2C_SOFT_DECLARATIONS
121 #define I2C_ACTIVE
122 #define I2C_TRISTATE	at91_set_gpio_input(AT91_PIN_PA23, 1);
123 #define I2C_READ	at91_get_gpio_value(AT91_PIN_PA23);
124 #define I2C_SDA(bit) do {						\
125 		if (bit) {						\
126 			at91_set_gpio_input(AT91_PIN_PA23, 1);		\
127 		} else {						\
128 			at91_set_gpio_output(AT91_PIN_PA23, 1);		\
129 			at91_set_gpio_value(AT91_PIN_PA23, bit);	\
130 		}							\
131 	} while (0)
132 #define I2C_SCL(bit)	at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
133 #define I2C_DELAY	udelay(2)
134 
135 /* Boot options */
136 #define CONFIG_SYS_LOAD_ADDR		0x23000000
137 #define CONFIG_BOOTDELAY		3
138 #define CONFIG_ZERO_BOOTDELAY_CHECK
139 
140 #define CONFIG_BOOTP_BOOTFILESIZE
141 #define CONFIG_BOOTP_BOOTPATH
142 #define CONFIG_BOOTP_GATEWAY
143 #define CONFIG_BOOTP_HOSTNAME
144 
145 /* Environment settings */
146 #define CONFIG_ENV_IS_IN_NAND
147 #define CONFIG_ENV_OFFSET		(512 << 10)
148 #define CONFIG_ENV_SIZE			(256 << 10)
149 #define CONFIG_ENV_OVERWRITE
150 #define CONFIG_BOOTARGS			"console=ttyS0,115200 ip=any"
151 
152 /* Console settings */
153 #define CONFIG_SYS_CBSIZE		256
154 #define CONFIG_SYS_MAXARGS		16
155 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
156 					 sizeof(CONFIG_SYS_PROMPT) + 16)
157 #define CONFIG_SYS_LONGHELP
158 #define CONFIG_CMDLINE_EDITING
159 #define CONFIG_AUTO_COMPLETE
160 #define CONFIG_SYS_HUSH_PARSER
161 
162 /* U-Boot memory settings */
163 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)
164 
165 /* Command line configuration */
166 #include <config_cmd_default.h>
167 #undef CONFIG_CMD_BDI
168 #undef CONFIG_CMD_FPGA
169 #undef CONFIG_CMD_IMI
170 #undef CONFIG_CMD_IMLS
171 #undef CONFIG_CMD_LOADS
172 #undef CONFIG_CMD_SOURCE
173 
174 #define CONFIG_CMD_PING
175 #define CONFIG_CMD_DHCP
176 #define CONFIG_CMD_FAT
177 #define CONFIG_CMD_I2C
178 #undef CONFIG_CMD_GPIO
179 #define CONFIG_CMD_USB
180 #define CONFIG_CMD_MII
181 #define CONFIG_CMD_NAND
182 #define CONFIG_CMD_PCA953X
183 #define CONFIG_CMD_PCA953X_INFO
184 
185 #endif /* __CONFIG_H */
186