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 #undef CONFIG_USE_IRQ
44 
45 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
46 #define CONFIG_SETUP_MEMORY_TAGS
47 #define CONFIG_INITRD_TAG
48 #define CONFIG_SKIP_LOWLEVEL_INIT
49 #define CONFIG_SKIP_RELOCATE_UBOOT
50 #define CONFIG_DISPLAY_CPUINFO
51 #define CONFIG_FIT
52 
53 /* SDRAM */
54 #define CONFIG_NR_DRAM_BANKS		1
55 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
56 #define CONFIG_SYS_SDRAM_SIZE		(64 * 1024 * 1024) /* 64MB */
57 #define CONFIG_SYS_INIT_SP_ADDR		(ATMEL_BASE_SRAM1 + 0x1000 - \
58 					 GENERATED_GBL_DATA_SIZE)
59 
60 /* Mem test settings */
61 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
62 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
63 
64 /* NAND Flash */
65 #define CONFIG_NAND_ATMEL
66 #define CONFIG_SYS_NO_FLASH
67 #define CONFIG_SYS_MAX_NAND_DEVICE	1
68 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
69 #define CONFIG_SYS_NAND_DBW_8
70 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21) /* AD21 */
71 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22) /* AD22 */
72 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
73 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
74 
75 /* Ethernet */
76 #define CONFIG_MACB
77 #define CONFIG_RMII
78 #define CONFIG_NET_RETRY_COUNT		20
79 #define CONFIG_RESET_PHY_R
80 #define CONFIG_TFTP_PORT
81 #define CONFIG_TFTP_TSIZE
82 
83 /* USB */
84 #define CONFIG_USB_ATMEL
85 #define CONFIG_USB_OHCI_NEW
86 #define CONFIG_DOS_PARTITION
87 #define CONFIG_SYS_USB_OHCI_CPU_INIT
88 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_UHP_BASE
89 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9260"
90 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
91 #define CONFIG_USB_STORAGE
92 
93 /* GPIOs and IO expander */
94 #define CONFIG_AT91_LEGACY
95 #define CONFIG_ATMEL_LEGACY
96 #define CONFIG_AT91_GPIO
97 #define CONFIG_AT91_GPIO_PULLUP		1
98 #define CONFIG_PCA953X
99 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x28
100 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x28, 16} }
101 
102 /* UARTs/Serial console */
103 #define CONFIG_ATMEL_USART
104 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
105 #define CONFIG_USART_ID			ATMEL_ID_SYS
106 #define CONFIG_BAUDRATE			115200
107 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
108 #define CONFIG_SYS_PROMPT		"Snapper> "
109 
110 /* I2C - Bit-bashed */
111 #define CONFIG_SOFT_I2C
112 #define CONFIG_SYS_I2C_SPEED		100000
113 #define CONFIG_SYS_I2C_SLAVE		0x7F
114 #define CONFIG_SOFT_I2C_READ_REPEATED_START
115 #define CONFIG_I2C_MULTI_BUS
116 #define I2C_INIT do {							\
117 		at91_set_gpio_output(AT91_PIN_PA23, 1);			\
118 		at91_set_gpio_output(AT91_PIN_PA24, 1);			\
119 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1);	\
120 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1);	\
121 	} while (0)
122 #define I2C_SOFT_DECLARATIONS
123 #define I2C_ACTIVE
124 #define I2C_TRISTATE	at91_set_gpio_input(AT91_PIN_PA23, 1);
125 #define I2C_READ	at91_get_gpio_value(AT91_PIN_PA23);
126 #define I2C_SDA(bit) do {						\
127 		if (bit) {						\
128 			at91_set_gpio_input(AT91_PIN_PA23, 1);		\
129 		} else {						\
130 			at91_set_gpio_output(AT91_PIN_PA23, 1);		\
131 			at91_set_gpio_value(AT91_PIN_PA23, bit);	\
132 		}							\
133 	} while (0)
134 #define I2C_SCL(bit)	at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
135 #define I2C_DELAY	udelay(2)
136 
137 /* Boot options */
138 #define CONFIG_SYS_LOAD_ADDR		0x23000000
139 #define CONFIG_BOOTDELAY		3
140 #define CONFIG_ZERO_BOOTDELAY_CHECK
141 
142 #define CONFIG_BOOTP_BOOTFILESIZE
143 #define CONFIG_BOOTP_BOOTPATH
144 #define CONFIG_BOOTP_GATEWAY
145 #define CONFIG_BOOTP_HOSTNAME
146 
147 /* Environment settings */
148 #define CONFIG_ENV_IS_IN_NAND
149 #define CONFIG_ENV_OFFSET		(512 << 10)
150 #define CONFIG_ENV_SIZE			(256 << 10)
151 #define CONFIG_ENV_OVERWRITE
152 #define CONFIG_BOOTARGS			"console=ttyS0,115200 ip=any"
153 
154 /* Console settings */
155 #define CONFIG_SYS_CBSIZE		256
156 #define CONFIG_SYS_MAXARGS		16
157 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
158 					 sizeof(CONFIG_SYS_PROMPT) + 16)
159 #define CONFIG_SYS_LONGHELP
160 #define CONFIG_SYS_EXTBDINFO
161 #define CONFIG_CMDLINE_EDITING
162 #define CONFIG_AUTO_COMPLETE
163 #define CONFIG_SYS_HUSH_PARSER
164 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
165 
166 /* U-Boot memory settings */
167 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)
168 #define CONFIG_STACKSIZE		(256 << 10)
169 
170 /* Command line configuration */
171 #include <config_cmd_default.h>
172 #undef CONFIG_CMD_BDI
173 #undef CONFIG_CMD_FPGA
174 #undef CONFIG_CMD_IMI
175 #undef CONFIG_CMD_IMLS
176 #undef CONFIG_CMD_LOADS
177 #undef CONFIG_CMD_SOURCE
178 
179 #define CONFIG_CMD_PING
180 #define CONFIG_CMD_DHCP
181 #define CONFIG_CMD_FAT
182 #define CONFIG_CMD_I2C
183 #undef CONFIG_CMD_GPIO
184 #define CONFIG_CMD_USB
185 #define CONFIG_CMD_MII
186 #define CONFIG_CMD_NAND
187 #define CONFIG_CMD_PCA953X
188 #define CONFIG_CMD_PCA953X_INFO
189 
190 #endif /* __CONFIG_H */
191