summaryrefslogtreecommitdiff
path: root/include/configs/kb9202.h
blob: 3fe88feec21042527fe17d690bff49a605f433e0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * Rick Bronson <rick@efn.org>
 *
 * Configuation settings for the AT91RM9200DK board.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * Adatped for KwikByte KB920x board from at91rm9200dk.h: 22APR2005
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* ARM asynchronous clock */
#define AT91C_MAIN_CLOCK	180000000	/* from 10 MHz crystal */
#define AT91C_MASTER_CLOCK	60000000	/* peripheral clock (AT91C_MASTER_CLOCK / 3) */

#define AT91_SLOW_CLOCK		32768	/* slow clock */

#define CONFIG_ARM920T		1	/* This is an ARM920T Core	*/
#define CONFIG_AT91RM9200	1	/* It's an Atmel AT91RM9200 SoC	*/
/* Only define one of the following, based on board type		*/
/* #define	CONFIG_KB9200		1	 KwikByte KB9202 board	*/
/* #define	CONFIG_KB9201		1	 KwikByte KB9202 board	*/
#define	CONFIG_KB9202		1	/* KwikByte KB9202 board	*/

#define	CONFIG_KB920x		1	/* Any KB920x board		*/
#undef  CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
#define USE_920T_MMU		1

#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG	1

#define	CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SKIP_RELOCATE_UBOOT	/* undef this for direct boot from */
									/* NOR flash without preloader */

#define	CONFIG_SYS_LONGHELP

#ifndef roundup
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
#endif
/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN	(roundup(CONFIG_ENV_SIZE,4096) + 128*1024)
#define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */

#define CONFIG_BAUDRATE 115200

/*
 * Hardware drivers
 */

/* define one of these to choose the DBGU, USART0  or USART1 as console */
#define CONFIG_AT91RM9200_USART
#define CONFIG_DBGU
#undef CONFIG_USART0
#undef CONFIG_USART1

#undef	CONFIG_HWFLOW			/* don't include RTS/CTS flow control support	*/

#undef	CONFIG_MODEM_SUPPORT		/* disable modem initialization stuff */

#define CONFIG_BOOTDELAY	3
#define CONFIG_ENV_OVERWRITE	1


/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME


/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_I2C
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP

#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_MISC


#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
#define PHYS_SDRAM_SIZE 0x2000000  /* 32 megs */

#define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
#define CONFIG_SYS_MEMTEST_END			CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - (512*1024)

#define CONFIG_NET_MULTI		1
#ifdef CONFIG_NET_MULTI
#define CONFIG_DRIVER_AT91EMAC		1
#define CONFIG_SYS_RX_ETH_BUFFER	8
#else
#define CONFIG_DRIVER_ETHER		1
#endif
#define CONFIG_NET_RETRY_COUNT		20

#define CONFIG_SYS_FLASH_BASE			0x10000000

#ifdef CONFIG_KB9202
#define PHYS_FLASH_SIZE			0x1000000
#else
#define PHYS_FLASH_SIZE			0x200000
#endif

#define CONFIG_SYS_MAX_FLASH_BANKS		1
#define CONFIG_SYS_MAX_FLASH_SECT		256

#define	CONFIG_HARD_I2C

#define	CONFIG_ENV_IS_IN_EEPROM

#ifdef CONFIG_KB9202
#define CONFIG_ENV_OFFSET			0x3E00
#define CONFIG_ENV_SIZE			0x0200
#else
#define CONFIG_ENV_OFFSET			0x1000
#define CONFIG_ENV_SIZE			0x1000
#endif
#define	CONFIG_SYS_I2C_EEPROM_ADDR		0x50
#define	CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6
#define	CONFIG_SYS_I2C_EEPROM_ADDR_LEN		2
#define	CONFIG_SYS_I2C_SPEED			50000
#define	CONFIG_SYS_I2C_SLAVE			0 /* not used */
#define	CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10

#define CONFIG_SYS_LOAD_ADDR		0x21000000  /* default load address */

#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }

#define CONFIG_SYS_PROMPT		"U-Boot> "	/* Monitor Command Prompt */
#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size */
#define CONFIG_SYS_MAXARGS		16		/* max number of command args */
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */

#define	CONFIG_FLASH_CFI_DRIVER
#define	CONFIG_SYS_FLASH_CFI

#ifndef __ASSEMBLY__
/*-----------------------------------------------------------------------
 * Board specific extension for bd_info
 *
 * This structure is embedded in the global bd_info (bd_t) structure
 * and can be used by the board specific code (eg board/...)
 */

struct bd_info_ext {
	/* helper variable for board environment handling
	 *
	 * env_crc_valid == 0    =>   uninitialised
	 * env_crc_valid  > 0    =>   environment crc in flash is valid
	 * env_crc_valid  < 0    =>   environment crc in flash is invalid
	 */
	int env_crc_valid;
};
#endif

#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2	/* AT91C_TC0_CMR is implicitly set to */
					/* AT91C_TC_TIMER_DIV1_CLOCK */

#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */

#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif

#endif