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_CPU_NAME		"AT91SAM9RL"
32 #define AT91_MAIN_CLOCK		200000000	/* from 12.000 MHz crystal */
33 #define AT91_MASTER_CLOCK	100000000	/* peripheral = main / 2 */
34 #define CFG_HZ			1000000		/* 1us resolution */
35 
36 #define AT91_SLOW_CLOCK		32768	/* slow clock */
37 
38 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
39 #define CONFIG_AT91SAM9RL	1	/* It's an Atmel AT91SAM9RL SoC*/
40 #define CONFIG_AT91SAM9RLEK	1	/* on an AT91SAM9RLEK Board	*/
41 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
42 
43 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
44 #define CONFIG_SETUP_MEMORY_TAGS 1
45 #define CONFIG_INITRD_TAG	1
46 
47 #define CONFIG_SKIP_LOWLEVEL_INIT
48 #define CONFIG_SKIP_RELOCATE_UBOOT
49 
50 /*
51  * Hardware drivers
52  */
53 #define CONFIG_ATMEL_USART	1
54 #undef CONFIG_USART0
55 #undef CONFIG_USART1
56 #undef CONFIG_USART2
57 #define CONFIG_USART3		1	/* USART 3 is DBGU */
58 
59 /* LCD */
60 #define CONFIG_LCD			1
61 #define LCD_BPP				LCD_COLOR8
62 #define CONFIG_LCD_LOGO			1
63 #undef LCD_TEST_PATTERN
64 #define CONFIG_LCD_INFO			1
65 #define CONFIG_LCD_INFO_BELOW_LOGO	1
66 #define CFG_WHITE_ON_BLACK		1
67 #define CONFIG_ATMEL_LCD		1
68 #define CONFIG_ATMEL_LCD_RGB565		1
69 #define CFG_CONSOLE_IS_IN_ENV		1
70 
71 #define CONFIG_BOOTDELAY	3
72 
73 /*
74  * Command line configuration.
75  */
76 #include <config_cmd_default.h>
77 #undef CONFIG_CMD_BDI
78 #undef CONFIG_CMD_IMI
79 #undef CONFIG_CMD_AUTOSCRIPT
80 #undef CONFIG_CMD_FPGA
81 #undef CONFIG_CMD_LOADS
82 #undef CONFIG_CMD_IMLS
83 #undef CONFIG_CMD_NET
84 #undef CONFIG_CMD_USB
85 
86 #define CONFIG_CMD_NAND		1
87 
88 /* SDRAM */
89 #define CONFIG_NR_DRAM_BANKS		1
90 #define PHYS_SDRAM			0x20000000
91 #define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
92 
93 /* DataFlash */
94 #define CONFIG_HAS_DATAFLASH		1
95 #define CFG_SPI_WRITE_TOUT		(5*CFG_HZ)
96 #define CFG_MAX_DATAFLASH_BANKS		1
97 #define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
98 #define AT91_SPI_CLK			15000000
99 #define DATAFLASH_TCSS			(0x1a << 16)
100 #define DATAFLASH_TCHS			(0x1 << 24)
101 
102 /* NOR flash - not present */
103 #define CFG_NO_FLASH			1
104 
105 /* NAND flash */
106 #define NAND_MAX_CHIPS			1
107 #define CFG_MAX_NAND_DEVICE		1
108 #define CFG_NAND_BASE			0x40000000
109 #define CFG_NAND_DBW_8			1
110 
111 /* Ethernet - not present */
112 
113 /* USB - not supported */
114 
115 #define CFG_LOAD_ADDR			0x22000000	/* load address */
116 
117 #define CFG_MEMTEST_START		PHYS_SDRAM
118 #define CFG_MEMTEST_END			0x23e00000
119 
120 #define CFG_USE_DATAFLASH		1
121 #undef CFG_USE_NANDFLASH
122 
123 #ifdef CFG_USE_DATAFLASH
124 
125 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
126 #define CONFIG_ENV_IS_IN_DATAFLASH	1
127 #define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
128 #define CFG_ENV_OFFSET		0x4200
129 #define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
130 #define CFG_ENV_SIZE		0x4200
131 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
132 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
133 				"root=/dev/mtdblock0 " \
134 				"mtdparts=at91_nand:-(root) "\
135 				"rw rootfstype=jffs2"
136 
137 #else /* CFG_USE_NANDFLASH */
138 
139 /* bootstrap + u-boot + env + linux in nandflash */
140 #define CONFIG_ENV_IS_IN_NAND	1
141 #define CFG_ENV_OFFSET		0x60000
142 #define CFG_ENV_OFFSET_REDUND	0x80000
143 #define CFG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
144 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
145 #define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
146 				"root=/dev/mtdblock5 " \
147 				"mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
148 				"rw rootfstype=jffs2"
149 
150 #endif
151 
152 #define CONFIG_BAUDRATE		115200
153 #define CFG_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
154 
155 #define CFG_PROMPT		"U-Boot> "
156 #define CFG_CBSIZE		256
157 #define CFG_MAXARGS		16
158 #define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
159 #define CFG_LONGHELP		1
160 #define CONFIG_CMDLINE_EDITING	1
161 
162 #define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
163 /*
164  * Size of malloc() pool
165  */
166 #define CFG_MALLOC_LEN		ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
167 #define CFG_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
168 
169 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
170 
171 #ifdef CONFIG_USE_IRQ
172 #error CONFIG_USE_IRQ not supported
173 #endif
174 
175 #endif
176