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 /* ARM asynchronous clock */
31 #define AT91_MAIN_CLOCK		18432000	/* 18.432 MHz crystal */
32 #define CONFIG_SYS_HZ		1000
33 
34 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
35 
36 #ifdef CONFIG_AT91SAM9G20EK
37 #define CONFIG_AT91SAM9G20	1	/* It's an Atmel AT91SAM9G20 SoC*/
38 #else
39 #define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
40 #endif
41 
42 #define CONFIG_ARCH_CPU_INIT
43 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
44 
45 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
46 #define CONFIG_SETUP_MEMORY_TAGS 1
47 #define CONFIG_INITRD_TAG	1
48 
49 #define CONFIG_SKIP_LOWLEVEL_INIT
50 #define CONFIG_SKIP_RELOCATE_UBOOT
51 
52 /*
53  * Hardware drivers
54  */
55 #define CONFIG_ATMEL_USART	1
56 #undef CONFIG_USART0
57 #undef CONFIG_USART1
58 #undef CONFIG_USART2
59 #define CONFIG_USART3		1	/* USART 3 is DBGU */
60 
61 /* LED */
62 #define CONFIG_AT91_LED
63 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
64 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
65 
66 #define CONFIG_BOOTDELAY	3
67 
68 /*
69  * BOOTP options
70  */
71 #define CONFIG_BOOTP_BOOTFILESIZE	1
72 #define CONFIG_BOOTP_BOOTPATH		1
73 #define CONFIG_BOOTP_GATEWAY		1
74 #define CONFIG_BOOTP_HOSTNAME		1
75 
76 /*
77  * Command line configuration.
78  */
79 #include <config_cmd_default.h>
80 #undef CONFIG_CMD_BDI
81 #undef CONFIG_CMD_FPGA
82 #undef CONFIG_CMD_IMI
83 #undef CONFIG_CMD_IMLS
84 #undef CONFIG_CMD_LOADS
85 #undef CONFIG_CMD_SOURCE
86 
87 #define CONFIG_CMD_PING		1
88 #define CONFIG_CMD_DHCP		1
89 #define CONFIG_CMD_NAND		1
90 #define CONFIG_CMD_USB		1
91 
92 /* SDRAM */
93 #define CONFIG_NR_DRAM_BANKS		1
94 #define PHYS_SDRAM			0x20000000
95 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
96 
97 /* DataFlash */
98 #define CONFIG_ATMEL_DATAFLASH_SPI
99 #define CONFIG_HAS_DATAFLASH		1
100 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
101 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
102 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
103 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
104 #define AT91_SPI_CLK			15000000
105 
106 #ifdef CONFIG_AT91SAM9G20EK
107 #define DATAFLASH_TCSS			(0x22 << 16)
108 #else
109 #define DATAFLASH_TCSS			(0x1a << 16)
110 #endif
111 #define DATAFLASH_TCHS			(0x1 << 24)
112 
113 /* NAND flash */
114 #ifdef CONFIG_CMD_NAND
115 #define CONFIG_NAND_ATMEL
116 #define CONFIG_SYS_MAX_NAND_DEVICE		1
117 #define CONFIG_SYS_NAND_BASE			0x40000000
118 #define CONFIG_SYS_NAND_DBW_8			1
119 /* our ALE is AD21 */
120 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
121 /* our CLE is AD22 */
122 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
123 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
124 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
125 #endif
126 
127 /* NOR flash - no real flash on this board */
128 #define CONFIG_SYS_NO_FLASH			1
129 
130 /* Ethernet */
131 #define CONFIG_MACB			1
132 #define CONFIG_RMII			1
133 #define CONFIG_NET_MULTI		1
134 #define CONFIG_NET_RETRY_COUNT		20
135 #define CONFIG_RESET_PHY_R		1
136 
137 /* USB */
138 #define CONFIG_USB_ATMEL
139 #define CONFIG_USB_OHCI_NEW		1
140 #define CONFIG_DOS_PARTITION		1
141 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
142 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
143 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
144 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
145 #define CONFIG_USB_STORAGE		1
146 #define CONFIG_CMD_FAT			1
147 
148 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
149 
150 #define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
151 #define CONFIG_SYS_MEMTEST_END			0x23e00000
152 
153 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
154 
155 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
156 #define CONFIG_ENV_IS_IN_DATAFLASH	1
157 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
158 #define CONFIG_ENV_OFFSET		0x4200
159 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
160 #define CONFIG_ENV_SIZE		0x4200
161 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
162 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
163 				"root=/dev/mtdblock0 "			\
164 				"mtdparts=at91_nand:-(root) "		\
165 				"rw rootfstype=jffs2"
166 
167 #elif CONFIG_SYS_USE_DATAFLASH_CS1
168 
169 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
170 #define CONFIG_ENV_IS_IN_DATAFLASH	1
171 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
172 #define CONFIG_ENV_OFFSET		0x4200
173 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
174 #define CONFIG_ENV_SIZE		0x4200
175 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
176 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
177 				"root=/dev/mtdblock0 "			\
178 				"mtdparts=at91_nand:-(root) "		\
179 				"rw rootfstype=jffs2"
180 
181 #else /* CONFIG_SYS_USE_NANDFLASH */
182 
183 /* bootstrap + u-boot + env + linux in nandflash */
184 #define CONFIG_ENV_IS_IN_NAND	1
185 #define CONFIG_ENV_OFFSET		0x60000
186 #define CONFIG_ENV_OFFSET_REDUND	0x80000
187 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
188 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
189 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
190 				"root=/dev/mtdblock5 "			\
191 				"mtdparts=at91_nand:128k(bootstrap)ro,"	\
192 				"256k(uboot)ro,128k(env1)ro,"		\
193 				"128k(env2)ro,2M(linux),-(root) "	\
194 				"rw rootfstype=jffs2"
195 
196 #endif
197 
198 #define CONFIG_BAUDRATE		115200
199 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
200 
201 #define CONFIG_SYS_PROMPT		"U-Boot> "
202 #define CONFIG_SYS_CBSIZE		256
203 #define CONFIG_SYS_MAXARGS		16
204 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
205 #define CONFIG_SYS_LONGHELP		1
206 #define CONFIG_CMDLINE_EDITING	1
207 
208 #define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
209 /*
210  * Size of malloc() pool
211  */
212 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
213 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
214 
215 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
216 
217 #ifdef CONFIG_USE_IRQ
218 #error CONFIG_USE_IRQ not supported
219 #endif
220 
221 #endif
222