1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * Configuation settings for the AT91SAM9RLEK 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 #include <asm/hardware.h>
31 
32 #define CONFIG_SYS_TEXT_BASE		0x21F00000
33 
34 /* ARM asynchronous clock */
35 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
36 #define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* main clock xtal */
37 #define CONFIG_SYS_HZ			1000
38 
39 #define CONFIG_AT91SAM9RLEK		1	/* It's an AT91SAM9RLEK Board */
40 
41 #define CONFIG_ARCH_CPU_INIT
42 #define CONFIG_SKIP_LOWLEVEL_INIT
43 #define CONFIG_BOARD_EARLY_INIT_F
44 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
45 
46 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
47 #define CONFIG_SETUP_MEMORY_TAGS	1
48 #define CONFIG_INITRD_TAG		1
49 
50 #define CONFIG_DISPLAY_CPUINFO
51 
52 #define CONFIG_ATMEL_LEGACY
53 #define CONFIG_AT91_GPIO		1
54 #define CONFIG_AT91_GPIO_PULLUP		1
55 
56 /*
57  * Hardware drivers
58  */
59 
60 /* serial console */
61 #define CONFIG_ATMEL_USART
62 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
63 #define CONFIG_USART_ID			ATMEL_ID_SYS
64 #define CONFIG_BAUDRATE			115200
65 
66 /* LCD */
67 #define CONFIG_LCD			1
68 #define LCD_BPP				LCD_COLOR8
69 #define CONFIG_LCD_LOGO			1
70 #undef LCD_TEST_PATTERN
71 #define CONFIG_LCD_INFO			1
72 #define CONFIG_LCD_INFO_BELOW_LOGO	1
73 #define CONFIG_SYS_WHITE_ON_BLACK	1
74 #define CONFIG_ATMEL_LCD		1
75 #define CONFIG_ATMEL_LCD_RGB565		1
76 /* Let board_init_f handle the framebuffer allocation */
77 #undef CONFIG_FB_ADDR
78 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
79 
80 
81 /* LED */
82 #define CONFIG_AT91_LED
83 #define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
84 #define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
85 #define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
86 
87 #define CONFIG_BOOTDELAY	3
88 
89 /*
90  * Command line configuration.
91  */
92 #include <config_cmd_default.h>
93 #undef CONFIG_CMD_BDI
94 #undef CONFIG_CMD_FPGA
95 #undef CONFIG_CMD_IMI
96 #undef CONFIG_CMD_IMLS
97 #undef CONFIG_CMD_LOADS
98 #undef CONFIG_CMD_NET
99 #undef CONFIG_CMD_NFS
100 #undef CONFIG_CMD_SOURCE
101 #undef CONFIG_CMD_USB
102 
103 #define CONFIG_CMD_NAND			1
104 
105 /* SDRAM */
106 #define CONFIG_NR_DRAM_BANKS		1
107 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
108 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
109 
110 #define CONFIG_SYS_INIT_SP_ADDR \
111 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
112 
113 /* DataFlash */
114 #define CONFIG_ATMEL_DATAFLASH_SPI
115 #define CONFIG_HAS_DATAFLASH			1
116 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
117 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
118 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
119 #define AT91_SPI_CLK				15000000
120 #define DATAFLASH_TCSS				(0x1a << 16)
121 #define DATAFLASH_TCHS				(0x1 << 24)
122 
123 /* NOR flash - not present */
124 #define CONFIG_SYS_NO_FLASH			1
125 
126 /* NAND flash */
127 #ifdef CONFIG_CMD_NAND
128 #define CONFIG_NAND_ATMEL
129 #define CONFIG_SYS_MAX_NAND_DEVICE		1
130 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
131 #define CONFIG_SYS_NAND_DBW_8			1
132 /* our ALE is AD21 */
133 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
134 /* our CLE is AD22 */
135 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
136 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
137 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
138 
139 #endif
140 
141 /* Ethernet - not present */
142 
143 /* USB - not supported */
144 
145 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
146 
147 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
148 #define CONFIG_SYS_MEMTEST_END			0x23e00000
149 
150 #ifdef CONFIG_SYS_USE_DATAFLASH
151 
152 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
153 #define CONFIG_ENV_IS_IN_DATAFLASH	1
154 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
155 #define CONFIG_ENV_OFFSET		0x4200
156 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
157 #define CONFIG_ENV_SIZE		0x4200
158 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
159 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
160 				"root=/dev/mtdblock0 " \
161 				"mtdparts=atmel_nand:-(root) "\
162 				"rw rootfstype=jffs2"
163 
164 #else /* CONFIG_SYS_USE_NANDFLASH */
165 
166 /* bootstrap + u-boot + env + linux in nandflash */
167 #define CONFIG_ENV_IS_IN_NAND		1
168 #define CONFIG_ENV_OFFSET		0x60000
169 #define CONFIG_ENV_OFFSET_REDUND	0x80000
170 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
171 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
172 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
173 				"root=/dev/mtdblock5 " \
174 				"mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
175 				"rw rootfstype=jffs2"
176 
177 #endif
178 
179 #define CONFIG_SYS_PROMPT		"U-Boot> "
180 #define CONFIG_SYS_CBSIZE		256
181 #define CONFIG_SYS_MAXARGS		16
182 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
183 #define CONFIG_SYS_LONGHELP		1
184 #define CONFIG_CMDLINE_EDITING		1
185 #define CONFIG_AUTO_COMPLETE
186 
187 /*
188  * Size of malloc() pool
189  */
190 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
191 
192 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
193 
194 #undef CONFIG_USE_IRQ
195 
196 #endif
197