1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian.pop@leadtechdesign.com>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
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 #define CONFIG_AT91_LEGACY
31 
32 /* ARM asynchronous clock */
33 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432 MHz crystal */
34 #define CONFIG_SYS_HZ		1000
35 
36 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
37 
38 #ifdef CONFIG_AT91SAM9G20EK
39 #define CONFIG_AT91SAM9G20	1	/* It's an Atmel AT91SAM9G20 SoC*/
40 #else
41 #define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
42 #endif
43 
44 #define CONFIG_ARCH_CPU_INIT
45 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
46 
47 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
48 #define CONFIG_SETUP_MEMORY_TAGS 1
49 #define CONFIG_INITRD_TAG	1
50 
51 #define CONFIG_SKIP_LOWLEVEL_INIT
52 
53 /*
54  * Hardware drivers
55  */
56 #define CONFIG_AT91_GPIO	1
57 #define CONFIG_ATMEL_USART	1
58 #undef CONFIG_USART0
59 #undef CONFIG_USART1
60 #undef CONFIG_USART2
61 #define CONFIG_USART3		1	/* USART 3 is DBGU */
62 
63 /* LED */
64 #define CONFIG_AT91_LED
65 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
66 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
67 
68 #define CONFIG_BOOTDELAY	3
69 
70 /*
71  * BOOTP options
72  */
73 #define CONFIG_BOOTP_BOOTFILESIZE	1
74 #define CONFIG_BOOTP_BOOTPATH		1
75 #define CONFIG_BOOTP_GATEWAY		1
76 #define CONFIG_BOOTP_HOSTNAME		1
77 
78 /*
79  * Command line configuration.
80  */
81 #include <config_cmd_default.h>
82 #undef CONFIG_CMD_BDI
83 #undef CONFIG_CMD_FPGA
84 #undef CONFIG_CMD_IMI
85 #undef CONFIG_CMD_IMLS
86 #undef CONFIG_CMD_LOADS
87 #undef CONFIG_CMD_SOURCE
88 
89 #define CONFIG_CMD_PING		1
90 #define CONFIG_CMD_DHCP		1
91 #define CONFIG_CMD_NAND		1
92 #define CONFIG_CMD_USB		1
93 
94 /* SDRAM */
95 #define CONFIG_NR_DRAM_BANKS		1
96 #define PHYS_SDRAM			0x20000000
97 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
98 
99 /* DataFlash */
100 #define CONFIG_ATMEL_DATAFLASH_SPI
101 #define CONFIG_HAS_DATAFLASH		1
102 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
103 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
104 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
105 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
106 #define AT91_SPI_CLK			15000000
107 
108 #ifdef CONFIG_AT91SAM9G20EK
109 #define DATAFLASH_TCSS			(0x22 << 16)
110 #else
111 #define DATAFLASH_TCSS			(0x1a << 16)
112 #endif
113 #define DATAFLASH_TCHS			(0x1 << 24)
114 
115 /* NAND flash */
116 #ifdef CONFIG_CMD_NAND
117 #define CONFIG_NAND_ATMEL
118 #define CONFIG_SYS_MAX_NAND_DEVICE		1
119 #define CONFIG_SYS_NAND_BASE			0x40000000
120 #define CONFIG_SYS_NAND_DBW_8			1
121 /* our ALE is AD21 */
122 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
123 /* our CLE is AD22 */
124 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
125 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
126 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
127 
128 #endif
129 
130 /* NOR flash - no real flash on this board */
131 #define CONFIG_SYS_NO_FLASH			1
132 
133 /* Ethernet */
134 #define CONFIG_MACB			1
135 #define CONFIG_RMII			1
136 #define CONFIG_NET_MULTI		1
137 #define CONFIG_NET_RETRY_COUNT		20
138 #define CONFIG_RESET_PHY_R		1
139 
140 /* USB */
141 #define CONFIG_USB_ATMEL
142 #define CONFIG_USB_OHCI_NEW		1
143 #define CONFIG_DOS_PARTITION		1
144 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
145 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
146 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
147 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
148 #define CONFIG_USB_STORAGE		1
149 #define CONFIG_CMD_FAT			1
150 
151 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
152 
153 #define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
154 #define CONFIG_SYS_MEMTEST_END			0x23e00000
155 
156 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
157 
158 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
159 #define CONFIG_ENV_IS_IN_DATAFLASH	1
160 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
161 #define CONFIG_ENV_OFFSET		0x4200
162 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
163 #define CONFIG_ENV_SIZE		0x4200
164 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
165 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
166 				"root=/dev/mtdblock0 "			\
167 				"mtdparts=atmel_nand:-(root) "		\
168 				"rw rootfstype=jffs2"
169 
170 #elif CONFIG_SYS_USE_DATAFLASH_CS1
171 
172 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
173 #define CONFIG_ENV_IS_IN_DATAFLASH	1
174 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
175 #define CONFIG_ENV_OFFSET		0x4200
176 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
177 #define CONFIG_ENV_SIZE		0x4200
178 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
179 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
180 				"root=/dev/mtdblock0 "			\
181 				"mtdparts=atmel_nand:-(root) "		\
182 				"rw rootfstype=jffs2"
183 
184 #else /* CONFIG_SYS_USE_NANDFLASH */
185 
186 /* bootstrap + u-boot + env + linux in nandflash */
187 #define CONFIG_ENV_IS_IN_NAND	1
188 #define CONFIG_ENV_OFFSET		0x60000
189 #define CONFIG_ENV_OFFSET_REDUND	0x80000
190 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
191 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
192 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
193 				"root=/dev/mtdblock5 "			\
194 				"mtdparts=atmel_nand:128k(bootstrap)ro,"	\
195 				"256k(uboot)ro,128k(env1)ro,"		\
196 				"128k(env2)ro,2M(linux),-(root) "	\
197 				"rw rootfstype=jffs2"
198 
199 #endif
200 
201 #define CONFIG_BAUDRATE		115200
202 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
203 
204 #define CONFIG_SYS_PROMPT		"U-Boot> "
205 #define CONFIG_SYS_CBSIZE		256
206 #define CONFIG_SYS_MAXARGS		16
207 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
208 #define CONFIG_SYS_LONGHELP		1
209 #define CONFIG_CMDLINE_EDITING	1
210 
211 /*
212  * Size of malloc() pool
213  */
214 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
215 
216 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
217 
218 #ifdef CONFIG_USE_IRQ
219 #error CONFIG_USE_IRQ not supported
220 #endif
221 
222 #endif
223