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_AT91_PLLB	0x107c3e18	/* PLLB settings for USB */
33 #define CONFIG_SYS_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 
39 #ifdef CONFIG_AT91SAM9G20EK
40 #define AT91_CPU_NAME		"AT91SAM9G20"
41 #define AT91_MASTER_CLOCK	132000000	/* peripheral */
42 #define AT91_CPU_CLOCK		396000000	/* cpu */
43 #define CONFIG_AT91SAM9G20	1	/* It's an Atmel AT91SAM9G20 SoC*/
44 #else
45 #define AT91_CPU_NAME		"AT91SAM9260"
46 #define AT91_MASTER_CLOCK	100000000	/* peripheral */
47 #define AT91_CPU_CLOCK		200000000	/* cpu */
48 #define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
49 #endif
50 
51 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
52 
53 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
54 #define CONFIG_SETUP_MEMORY_TAGS 1
55 #define CONFIG_INITRD_TAG	1
56 
57 #define CONFIG_SKIP_LOWLEVEL_INIT
58 #define CONFIG_SKIP_RELOCATE_UBOOT
59 
60 /*
61  * Hardware drivers
62  */
63 #define CONFIG_ATMEL_USART	1
64 #undef CONFIG_USART0
65 #undef CONFIG_USART1
66 #undef CONFIG_USART2
67 #define CONFIG_USART3		1	/* USART 3 is DBGU */
68 
69 /* LED */
70 #define CONFIG_AT91_LED
71 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
72 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
73 
74 #define CONFIG_BOOTDELAY	3
75 
76 /*
77  * BOOTP options
78  */
79 #define CONFIG_BOOTP_BOOTFILESIZE	1
80 #define CONFIG_BOOTP_BOOTPATH		1
81 #define CONFIG_BOOTP_GATEWAY		1
82 #define CONFIG_BOOTP_HOSTNAME		1
83 
84 /*
85  * Command line configuration.
86  */
87 #include <config_cmd_default.h>
88 #undef CONFIG_CMD_BDI
89 #undef CONFIG_CMD_IMI
90 #undef CONFIG_CMD_AUTOSCRIPT
91 #undef CONFIG_CMD_FPGA
92 #undef CONFIG_CMD_LOADS
93 #undef CONFIG_CMD_IMLS
94 
95 #define CONFIG_CMD_PING		1
96 #define CONFIG_CMD_DHCP		1
97 #define CONFIG_CMD_NAND		1
98 #define CONFIG_CMD_USB		1
99 
100 /* SDRAM */
101 #define CONFIG_NR_DRAM_BANKS		1
102 #define PHYS_SDRAM			0x20000000
103 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
104 
105 /* DataFlash */
106 #define CONFIG_HAS_DATAFLASH		1
107 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
108 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
109 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
110 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
111 #define AT91_SPI_CLK			15000000
112 
113 #ifdef CONFIG_AT91SAM9G20EK
114 #define DATAFLASH_TCSS			(0x22 << 16)
115 #else
116 #define DATAFLASH_TCSS			(0x1a << 16)
117 #endif
118 #define DATAFLASH_TCHS			(0x1 << 24)
119 
120 /* NAND flash */
121 #ifdef CONFIG_CMD_NAND
122 #define CONFIG_NAND_ATMEL
123 #define CONFIG_SYS_MAX_NAND_DEVICE		1
124 #define CONFIG_SYS_NAND_BASE			0x40000000
125 #define CONFIG_SYS_NAND_DBW_8			1
126 /* our ALE is AD21 */
127 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
128 /* our CLE is AD22 */
129 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
130 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
131 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
132 #endif
133 
134 /* NOR flash - no real flash on this board */
135 #define CONFIG_SYS_NO_FLASH			1
136 
137 /* Ethernet */
138 #define CONFIG_MACB			1
139 #define CONFIG_RMII			1
140 #define CONFIG_NET_MULTI		1
141 #define CONFIG_NET_RETRY_COUNT		20
142 #define CONFIG_RESET_PHY_R		1
143 
144 /* USB */
145 #define CONFIG_USB_OHCI_NEW		1
146 #define CONFIG_DOS_PARTITION		1
147 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
148 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
149 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
150 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
151 #define CONFIG_USB_STORAGE		1
152 #define CONFIG_CMD_FAT			1
153 
154 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
155 
156 #define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
157 #define CONFIG_SYS_MEMTEST_END			0x23e00000
158 
159 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
160 
161 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
162 #define CONFIG_ENV_IS_IN_DATAFLASH	1
163 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
164 #define CONFIG_ENV_OFFSET		0x4200
165 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
166 #define CONFIG_ENV_SIZE		0x4200
167 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
168 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
169 				"root=/dev/mtdblock0 "			\
170 				"mtdparts=at91_nand:-(root) "		\
171 				"rw rootfstype=jffs2"
172 
173 #elif CONFIG_SYS_USE_DATAFLASH_CS1
174 
175 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
176 #define CONFIG_ENV_IS_IN_DATAFLASH	1
177 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
178 #define CONFIG_ENV_OFFSET		0x4200
179 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
180 #define CONFIG_ENV_SIZE		0x4200
181 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
182 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
183 				"root=/dev/mtdblock0 "			\
184 				"mtdparts=at91_nand:-(root) "		\
185 				"rw rootfstype=jffs2"
186 
187 #else /* CONFIG_SYS_USE_NANDFLASH */
188 
189 /* bootstrap + u-boot + env + linux in nandflash */
190 #define CONFIG_ENV_IS_IN_NAND	1
191 #define CONFIG_ENV_OFFSET		0x60000
192 #define CONFIG_ENV_OFFSET_REDUND	0x80000
193 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
194 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
195 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
196 				"root=/dev/mtdblock5 "			\
197 				"mtdparts=at91_nand:128k(bootstrap)ro,"	\
198 				"256k(uboot)ro,128k(env1)ro,"		\
199 				"128k(env2)ro,2M(linux),-(root) "	\
200 				"rw rootfstype=jffs2"
201 
202 #endif
203 
204 #define CONFIG_BAUDRATE		115200
205 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
206 
207 #define CONFIG_SYS_PROMPT		"U-Boot> "
208 #define CONFIG_SYS_CBSIZE		256
209 #define CONFIG_SYS_MAXARGS		16
210 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
211 #define CONFIG_SYS_LONGHELP		1
212 #define CONFIG_CMDLINE_EDITING	1
213 
214 #define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
215 /*
216  * Size of malloc() pool
217  */
218 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
219 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
220 
221 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
222 
223 #ifdef CONFIG_USE_IRQ
224 #error CONFIG_USE_IRQ not supported
225 #endif
226 
227 #endif
228