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 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 /* ARM asynchronous clock */
31 #define AT91_MAIN_CLOCK		12000000	/* 12 MHz crystal */
32 #define CONFIG_SYS_HZ		1000
33 
34 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
35 #define CONFIG_AT91SAM9RL	1	/* It's an Atmel AT91SAM9RL SoC*/
36 #define CONFIG_AT91SAM9RLEK	1	/* on an AT91SAM9RLEK Board	*/
37 #define CONFIG_ARCH_CPU_INIT
38 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
39 
40 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
41 #define CONFIG_SETUP_MEMORY_TAGS 1
42 #define CONFIG_INITRD_TAG	1
43 
44 #define CONFIG_SKIP_LOWLEVEL_INIT
45 #define CONFIG_SKIP_RELOCATE_UBOOT
46 
47 /*
48  * Hardware drivers
49  */
50 #define CONFIG_ATMEL_USART	1
51 #undef CONFIG_USART0
52 #undef CONFIG_USART1
53 #undef CONFIG_USART2
54 #define CONFIG_USART3		1	/* USART 3 is DBGU */
55 
56 /* LCD */
57 #define CONFIG_LCD			1
58 #define LCD_BPP				LCD_COLOR8
59 #define CONFIG_LCD_LOGO			1
60 #undef LCD_TEST_PATTERN
61 #define CONFIG_LCD_INFO			1
62 #define CONFIG_LCD_INFO_BELOW_LOGO	1
63 #define CONFIG_SYS_WHITE_ON_BLACK		1
64 #define CONFIG_ATMEL_LCD		1
65 #define CONFIG_ATMEL_LCD_RGB565		1
66 #define CONFIG_SYS_CONSOLE_IS_IN_ENV		1
67 
68 /* LED */
69 #define CONFIG_AT91_LED
70 #define	CONFIG_RED_LED		AT91_PIN_PD14	/* this is the power led */
71 #define	CONFIG_GREEN_LED	AT91_PIN_PD15	/* this is the user1 led */
72 #define	CONFIG_YELLOW_LED	AT91_PIN_PD16	/* this is the user2 led */
73 
74 #define CONFIG_BOOTDELAY	3
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_NET
86 #undef CONFIG_CMD_SOURCE
87 #undef CONFIG_CMD_USB
88 
89 #define CONFIG_CMD_NAND		1
90 
91 /* SDRAM */
92 #define CONFIG_NR_DRAM_BANKS		1
93 #define PHYS_SDRAM			0x20000000
94 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
95 
96 /* DataFlash */
97 #define CONFIG_ATMEL_DATAFLASH_SPI
98 #define CONFIG_HAS_DATAFLASH		1
99 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
100 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
101 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
102 #define AT91_SPI_CLK			15000000
103 #define DATAFLASH_TCSS			(0x1a << 16)
104 #define DATAFLASH_TCHS			(0x1 << 24)
105 
106 /* NOR flash - not present */
107 #define CONFIG_SYS_NO_FLASH			1
108 
109 /* NAND flash */
110 #ifdef CONFIG_CMD_NAND
111 #define CONFIG_NAND_ATMEL
112 #define CONFIG_SYS_MAX_NAND_DEVICE		1
113 #define CONFIG_SYS_NAND_BASE			0x40000000
114 #define CONFIG_SYS_NAND_DBW_8			1
115 /* our ALE is AD21 */
116 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
117 /* our CLE is AD22 */
118 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
119 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PB6
120 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD17
121 
122 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
123 #endif
124 
125 /* Ethernet - not present */
126 
127 /* USB - not supported */
128 
129 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
130 
131 #define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
132 #define CONFIG_SYS_MEMTEST_END			0x23e00000
133 
134 #ifdef CONFIG_SYS_USE_DATAFLASH
135 
136 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
137 #define CONFIG_ENV_IS_IN_DATAFLASH	1
138 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
139 #define CONFIG_ENV_OFFSET		0x4200
140 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
141 #define CONFIG_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=atmel_nand:-(root) "\
146 				"rw rootfstype=jffs2"
147 
148 #else /* CONFIG_SYS_USE_NANDFLASH */
149 
150 /* bootstrap + u-boot + env + linux in nandflash */
151 #define CONFIG_ENV_IS_IN_NAND	1
152 #define CONFIG_ENV_OFFSET		0x60000
153 #define CONFIG_ENV_OFFSET_REDUND	0x80000
154 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
155 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
156 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
157 				"root=/dev/mtdblock5 " \
158 				"mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
159 				"rw rootfstype=jffs2"
160 
161 #endif
162 
163 #define CONFIG_BAUDRATE		115200
164 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
165 
166 #define CONFIG_SYS_PROMPT		"U-Boot> "
167 #define CONFIG_SYS_CBSIZE		256
168 #define CONFIG_SYS_MAXARGS		16
169 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
170 #define CONFIG_SYS_LONGHELP		1
171 #define CONFIG_CMDLINE_EDITING	1
172 
173 /*
174  * Size of malloc() pool
175  */
176 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
177 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
178 
179 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
180 
181 #ifdef CONFIG_USE_IRQ
182 #error CONFIG_USE_IRQ not supported
183 #endif
184 
185 #endif
186