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 board.
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		198656000	/* from 18.432 MHz crystal */
32 #define AT91_MASTER_CLOCK	99328000	/* peripheral = main / 2 */
33 #define CFG_HZ			1000000		/* 1us resolution */
34 
35 #define AT91_SLOW_CLOCK		32768	/* slow clock */
36 
37 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
38 #define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
39 #define CONFIG_AT91SAM9260EK	1	/* on an AT91SAM9260EK Board	*/
40 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
41 
42 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
43 #define CONFIG_SETUP_MEMORY_TAGS 1
44 #define CONFIG_INITRD_TAG	1
45 
46 #define CONFIG_SKIP_LOWLEVEL_INIT
47 #define CONFIG_SKIP_RELOCATE_UBOOT
48 
49 /*
50  * Hardware drivers
51  */
52 #define CONFIG_ATMEL_USART	1
53 #undef CONFIG_USART0
54 #undef CONFIG_USART1
55 #undef CONFIG_USART2
56 #define CONFIG_USART3		1	/* USART 3 is DBGU */
57 
58 #define CONFIG_BOOTDELAY	3
59 
60 /*
61  * BOOTP options
62  */
63 #define CONFIG_BOOTP_BOOTFILESIZE	1
64 #define CONFIG_BOOTP_BOOTPATH		1
65 #define CONFIG_BOOTP_GATEWAY		1
66 #define CONFIG_BOOTP_HOSTNAME		1
67 
68 /*
69  * Command line configuration.
70  */
71 #include <config_cmd_default.h>
72 #undef CONFIG_CMD_BDI
73 #undef CONFIG_CMD_IMI
74 #undef CONFIG_CMD_AUTOSCRIPT
75 #undef CONFIG_CMD_FPGA
76 #undef CONFIG_CMD_LOADS
77 #undef CONFIG_CMD_IMLS
78 
79 #define CONFIG_CMD_PING		1
80 #define CONFIG_CMD_DHCP		1
81 #define CONFIG_CMD_NAND		1
82 #define CONFIG_CMD_USB		1
83 
84 /* SDRAM */
85 #define CONFIG_NR_DRAM_BANKS		1
86 #define PHYS_SDRAM			0x20000000
87 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
88 
89 /* DataFlash */
90 #define CONFIG_HAS_DATAFLASH		1
91 #define CFG_SPI_WRITE_TOUT		(5*CFG_HZ)
92 #define CFG_MAX_DATAFLASH_BANKS		2
93 #define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
94 #define CFG_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
95 #define AT91_SPI_CLK			15000000
96 #define DATAFLASH_TCSS			(0x1a << 16)
97 #define DATAFLASH_TCHS			(0x1 << 24)
98 
99 /* NAND flash */
100 #define NAND_MAX_CHIPS			1
101 #define CFG_MAX_NAND_DEVICE		1
102 #define CFG_NAND_BASE			0x40000000
103 #define CFG_NAND_DBW_8			1
104 
105 /* NOR flash - no real flash on this board */
106 #define CFG_NO_FLASH			1
107 
108 /* Ethernet */
109 #define CONFIG_MACB			1
110 #define CONFIG_RMII			1
111 #define CONFIG_NET_MULTI		1
112 #define CONFIG_NET_RETRY_COUNT		20
113 #define CONFIG_RESET_PHY_R		1
114 
115 /* USB */
116 #define CONFIG_USB_OHCI_NEW		1
117 #define LITTLEENDIAN			1
118 #define CONFIG_DOS_PARTITION		1
119 #define CFG_USB_OHCI_CPU_INIT		1
120 #define CFG_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
121 #define CFG_USB_OHCI_SLOT_NAME		"at91sam9260"
122 #define CFG_USB_OHCI_MAX_ROOT_PORTS	2
123 #define CONFIG_USB_STORAGE		1
124 
125 #define CFG_LOAD_ADDR			0x22000000	/* load address */
126 
127 #define CFG_MEMTEST_START		PHYS_SDRAM
128 #define CFG_MEMTEST_END			0x23e00000
129 
130 #undef CFG_USE_DATAFLASH_CS0
131 #define CFG_USE_DATAFLASH_CS1		1
132 #undef CFG_USE_NANDFLASH
133 
134 #ifdef CFG_USE_DATAFLASH_CS0
135 
136 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
137 #define CONFIG_ENV_IS_IN_DATAFLASH	1
138 #define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
139 #define CFG_ENV_OFFSET		0x4200
140 #define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
141 #define CFG_ENV_SIZE		0x4200
142 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
143 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
144 				"root=/dev/mtdblock0 "			\
145 				"mtdparts=at91_nand:-(root) "		\
146 				"rw rootfstype=jffs2"
147 
148 #elif CFG_USE_DATAFLASH_CS1
149 
150 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
151 #define CONFIG_ENV_IS_IN_DATAFLASH	1
152 #define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
153 #define CFG_ENV_OFFSET		0x4200
154 #define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS1 + CFG_ENV_OFFSET)
155 #define CFG_ENV_SIZE		0x4200
156 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
157 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
158 				"root=/dev/mtdblock0 "			\
159 				"mtdparts=at91_nand:-(root) "		\
160 				"rw rootfstype=jffs2"
161 
162 #else /* CFG_USE_NANDFLASH */
163 
164 /* bootstrap + u-boot + env + linux in nandflash */
165 #define CONFIG_ENV_IS_IN_NAND	1
166 #define CFG_ENV_OFFSET		0x60000
167 #define CFG_ENV_OFFSET_REDUND	0x80000
168 #define CFG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
169 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
170 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
171 				"root=/dev/mtdblock5 "			\
172 				"mtdparts=at91_nand:128k(bootstrap)ro,"	\
173 				"256k(uboot)ro,128k(env1)ro,"		\
174 				"128k(env2)ro,2M(linux),-(root) "	\
175 				"rw rootfstype=jffs2"
176 
177 #endif
178 
179 #define CONFIG_BAUDRATE		115200
180 #define CFG_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
181 
182 #define CFG_PROMPT		"U-Boot> "
183 #define CFG_CBSIZE		256
184 #define CFG_MAXARGS		16
185 #define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
186 #define CFG_LONGHELP		1
187 #define CONFIG_CMDLINE_EDITING	1
188 
189 #define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
190 /*
191  * Size of malloc() pool
192  */
193 #define CFG_MALLOC_LEN		ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
194 #define CFG_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
195 
196 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
197 
198 #ifdef CONFIG_USE_IRQ
199 #error CONFIG_USE_IRQ not supported
200 #endif
201 
202 #endif
203