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 /*
31  * SoC must be defined first, before hardware.h is included.
32  * In this case SoC is defined in boards.cfg.
33  */
34 #include <asm/hardware.h>
35 
36 /*
37  * Warning: changing CONFIG_SYS_TEXT_BASE requires
38  * adapting the initial boot program.
39  * Since the linker has to swallow that define, we must use a pure
40  * hex number here!
41  */
42 #define CONFIG_SYS_TEXT_BASE		0x21f00000
43 
44 /* ARM asynchronous clock */
45 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
46 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
47 #define CONFIG_SYS_HZ			1000
48 
49 /* Define actual evaluation board type from used processor type */
50 #ifdef CONFIG_AT91SAM9G20
51 # define CONFIG_AT91SAM9G20EK	/* It's an Atmel AT91SAM9G20 EK */
52 #else
53 # define CONFIG_AT91SAM9260EK	/* It's an Atmel AT91SAM9260 EK */
54 #endif
55 
56 /* Misc CPU related */
57 #define CONFIG_ARCH_CPU_INIT
58 #undef	CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
59 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS
61 #define CONFIG_INITRD_TAG
62 #define CONFIG_SKIP_LOWLEVEL_INIT
63 #define CONFIG_BOARD_EARLY_INIT_F
64 #define CONFIG_DISPLAY_CPUINFO
65 
66 /* general purpose I/O */
67 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
68 #define CONFIG_AT91_GPIO
69 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
70 
71 /* serial console */
72 #define CONFIG_ATMEL_USART
73 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
74 #define	CONFIG_USART_ID			ATMEL_ID_SYS
75 #define CONFIG_BAUDRATE			115200
76 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
77 
78 /* LED */
79 #define CONFIG_AT91_LED
80 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
81 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
82 
83 #define CONFIG_BOOTDELAY	3
84 
85 /*
86  * BOOTP options
87  */
88 #define CONFIG_BOOTP_BOOTFILESIZE	1
89 #define CONFIG_BOOTP_BOOTPATH		1
90 #define CONFIG_BOOTP_GATEWAY		1
91 #define CONFIG_BOOTP_HOSTNAME		1
92 
93 /*
94  * Command line configuration.
95  */
96 #include <config_cmd_default.h>
97 #undef CONFIG_CMD_BDI
98 #undef CONFIG_CMD_FPGA
99 #undef CONFIG_CMD_IMI
100 #undef CONFIG_CMD_IMLS
101 #undef CONFIG_CMD_LOADS
102 #undef CONFIG_CMD_SOURCE
103 
104 #define CONFIG_CMD_PING		1
105 #define CONFIG_CMD_DHCP		1
106 #define CONFIG_CMD_NAND		1
107 #define CONFIG_CMD_USB		1
108 
109 /*
110  * SDRAM: 1 bank, min 32, max 128 MB
111  * Initialized before u-boot gets started.
112  */
113 #define CONFIG_NR_DRAM_BANKS		1
114 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
115 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
116 
117 /*
118  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
119  * leaving the correct space for initial global data structure above
120  * that address while providing maximum stack area below.
121  */
122 #ifdef CONFIG_AT91SAM9XE
123 # define CONFIG_SYS_INIT_SP_ADDR \
124 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
125 #else
126 # define CONFIG_SYS_INIT_SP_ADDR \
127 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
128 #endif
129 
130 /* DataFlash */
131 #define CONFIG_ATMEL_DATAFLASH_SPI
132 #define CONFIG_HAS_DATAFLASH		1
133 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
134 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
135 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
136 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
137 #define AT91_SPI_CLK			15000000
138 
139 #ifdef CONFIG_AT91SAM9G20EK
140 #define DATAFLASH_TCSS			(0x22 << 16)
141 #else
142 #define DATAFLASH_TCSS			(0x1a << 16)
143 #endif
144 #define DATAFLASH_TCHS			(0x1 << 24)
145 
146 /* NAND flash */
147 #ifdef CONFIG_CMD_NAND
148 #define CONFIG_NAND_ATMEL
149 #define CONFIG_SYS_MAX_NAND_DEVICE	1
150 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
151 #define CONFIG_SYS_NAND_DBW_8
152 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
153 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
154 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
155 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
156 #endif
157 
158 /* NOR flash - no real flash on this board */
159 #define CONFIG_SYS_NO_FLASH			1
160 
161 /* Ethernet */
162 #define CONFIG_MACB			1
163 #define CONFIG_RMII			1
164 #define CONFIG_NET_MULTI		1
165 #define CONFIG_NET_RETRY_COUNT		20
166 #define CONFIG_RESET_PHY_R		1
167 
168 /* USB */
169 #define CONFIG_USB_ATMEL
170 #define CONFIG_USB_OHCI_NEW		1
171 #define CONFIG_DOS_PARTITION		1
172 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
173 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
174 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
175 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
176 #define CONFIG_USB_STORAGE		1
177 #define CONFIG_CMD_FAT			1
178 
179 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
180 
181 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
182 #define CONFIG_SYS_MEMTEST_END			0x23e00000
183 
184 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
185 
186 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
187 #define CONFIG_ENV_IS_IN_DATAFLASH	1
188 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
189 #define CONFIG_ENV_OFFSET		0x4200
190 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
191 #define CONFIG_ENV_SIZE		0x4200
192 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
193 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
194 				"root=/dev/mtdblock0 "			\
195 				"mtdparts=atmel_nand:-(root) "		\
196 				"rw rootfstype=jffs2"
197 
198 #elif CONFIG_SYS_USE_DATAFLASH_CS1
199 
200 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
201 #define CONFIG_ENV_IS_IN_DATAFLASH	1
202 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
203 #define CONFIG_ENV_OFFSET		0x4200
204 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
205 #define CONFIG_ENV_SIZE		0x4200
206 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0042000 0x22000000 0x210000; bootm"
207 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
208 				"root=/dev/mtdblock0 "			\
209 				"mtdparts=atmel_nand:-(root) "		\
210 				"rw rootfstype=jffs2"
211 
212 #else /* CONFIG_SYS_USE_NANDFLASH */
213 
214 /* bootstrap + u-boot + env + linux in nandflash */
215 #define CONFIG_ENV_IS_IN_NAND	1
216 #define CONFIG_ENV_OFFSET		0x60000
217 #define CONFIG_ENV_OFFSET_REDUND	0x80000
218 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
219 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
220 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
221 				"root=/dev/mtdblock5 "			\
222 				"mtdparts=atmel_nand:128k(bootstrap)ro,"	\
223 				"256k(uboot)ro,128k(env1)ro,"		\
224 				"128k(env2)ro,2M(linux),-(root) "	\
225 				"rw rootfstype=jffs2"
226 
227 #endif
228 
229 #define CONFIG_SYS_PROMPT		"U-Boot> "
230 #define CONFIG_SYS_CBSIZE		256
231 #define CONFIG_SYS_MAXARGS		16
232 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
233 #define CONFIG_SYS_LONGHELP		1
234 #define CONFIG_CMDLINE_EDITING	1
235 
236 /*
237  * Size of malloc() pool
238  */
239 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
240 
241 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
242 
243 #ifdef CONFIG_USE_IRQ
244 #error CONFIG_USE_IRQ not supported
245 #endif
246 
247 #endif
248