1 /*
2  * (C) Copyright 2003
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 /*
25  * This file contains the configuration parameters for the PURPLE board.
26  */
27 
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30 
31 #define CONFIG_MIPS32		1	/* MIPS 5Kc CPU core	*/
32 #define CONFIG_PURPLE		1	/* on a PURPLE Board	*/
33 
34 #define CPU_CLOCK_RATE	125000000   /* 125 MHz clock for the MIPS core */
35 #define ASC_CLOCK_RATE	 62500000   /* 62.5 MHz ASC clock              */
36 
37 #define INFINEON_EBU_BOOTCFG	0xE0CC
38 
39 #define CONFIG_STACKSIZE	(128 * 1024)
40 
41 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
42 
43 #define CONFIG_BAUDRATE		19200
44 
45 /* valid baudrates */
46 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
47 
48 #define	CONFIG_TIMESTAMP		/* Print image info with timestamp */
49 
50 #define CONFIG_PREBOOT	"echo;"	\
51 	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
52 	"echo"
53 
54 #undef	CONFIG_BOOTARGS
55 
56 #define	CONFIG_EXTRA_ENV_SETTINGS					\
57 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
58 		"nfsroot=${serverip}:${rootpath}\0"			\
59 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
60 	"addip=setenv bootargs ${bootargs} "				\
61 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
62 		":${hostname}:${netdev}:off\0"				\
63 	"addmisc=setenv bootargs ${bootargs} "				\
64 		"console=ttyS0,${baudrate} "				\
65 		"ethaddr=${ethaddr} "					\
66 		"panic=1\0"						\
67 	"flash_nfs=run nfsargs addip addmisc;"				\
68 		"bootm ${kernel_addr}\0"				\
69 	"flash_self=run ramargs addip addmisc;"				\
70 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
71 	"net_nfs=tftp 80500000 ${bootfile};"				\
72 		"run nfsargs addip addmisc;bootm\0"			\
73 	"rootpath=/opt/eldk/mips_5KC\0"					\
74 	"bootfile=/tftpboot/purple/uImage\0"				\
75 	"kernel_addr=B0040000\0"					\
76 	"ramdisk_addr=B0100000\0"					\
77 	"u-boot=/tftpboot/purple/u-boot.bin\0"				\
78 	"load=tftp 80500000 ${u-boot}\0"				\
79 	"update=protect off 1:0-4;era 1:0-4;"				\
80 		"cp.b 80500000 B0000000 ${filesize}\0"			\
81 	""
82 #define CONFIG_BOOTCOMMAND	"run flash_self"
83 
84 
85 /*
86  * BOOTP options
87  */
88 #define CONFIG_BOOTP_BOOTFILESIZE
89 #define CONFIG_BOOTP_BOOTPATH
90 #define CONFIG_BOOTP_GATEWAY
91 #define CONFIG_BOOTP_HOSTNAME
92 
93 
94 /*
95  * Command line configuration.
96  */
97 #include <config_cmd_default.h>
98 
99 #define CONFIG_CMD_ELF
100 
101 
102 #define CONFIG_SYS_SDRAM_BASE		0x80000000
103 
104 #define CONFIG_SYS_INIT_SP_OFFSET      0x400000
105 
106 #define CONFIG_SYS_MALLOC_LEN		128*1024
107 
108 #define CONFIG_SYS_BOOTPARAMS_LEN	128*1024
109 
110 /*
111  * Miscellaneous configurable options
112  */
113 #define	CONFIG_SYS_LONGHELP				/* undef to save memory      */
114 #define	CONFIG_SYS_PROMPT		"PURPLE # "	/* Monitor Command Prompt    */
115 #define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size   */
116 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)  /* Print Buffer Size */
117 #define CONFIG_SYS_MIPS_TIMER_FREQ	(CPU_CLOCK_RATE/2)
118 #define CONFIG_SYS_HZ			1000
119 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args*/
120 
121 #define	CONFIG_SYS_LOAD_ADDR		0x80500000	/* default load address	*/
122 
123 #define CONFIG_SYS_MEMTEST_START	0x80200000
124 #define CONFIG_SYS_MEMTEST_END		0x80800000
125 
126 #define	CONFIG_MISC_INIT_R
127 
128 /*-----------------------------------------------------------------------
129  * FLASH and environment organization
130  */
131 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
132 #define CONFIG_SYS_MAX_FLASH_SECT	(35)	/* max number of sectors on one chip */
133 
134 #define PHYS_FLASH_1		0xb0000000 /* Flash Bank #1 */
135 
136 /* The following #defines are needed to get flash environment right */
137 #define	CONFIG_SYS_MONITOR_BASE	TEXT_BASE
138 #define	CONFIG_SYS_MONITOR_LEN		(192 << 10)
139 
140 #define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
141 
142 /* timeout values are in ticks */
143 #define CONFIG_SYS_FLASH_ERASE_TOUT	(6 * CONFIG_SYS_HZ) /* Timeout for Flash Erase */
144 #define CONFIG_SYS_FLASH_WRITE_TOUT	(6 * CONFIG_SYS_HZ) /* Timeout for Flash Write */
145 
146 #define	CONFIG_ENV_IS_IN_FLASH	1
147 
148 /* Address and size of Primary Environment Sector	*/
149 #define CONFIG_ENV_ADDR		0xB0008000
150 #define CONFIG_ENV_SIZE		0x4000
151 
152 #define CONFIG_FLASH_32BIT
153 #define CONFIG_NR_DRAM_BANKS	1
154 
155 #define CONFIG_PLB2800_ETHER
156 #define CONFIG_NET_MULTI
157 
158 /*-----------------------------------------------------------------------
159  * Cache Configuration
160  */
161 #define CONFIG_SYS_DCACHE_SIZE		16384
162 #define CONFIG_SYS_ICACHE_SIZE		16384
163 #define CONFIG_SYS_CACHELINE_SIZE	32
164 
165 /*
166  * Temporary buffer for serial data until the real serial driver
167  * is initialised (memtest will destroy this buffer)
168  */
169 #define CONFIG_SYS_SCONSOLE_ADDR     (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET - \
170 			       CONFIG_SYS_DCACHE_SIZE / 2)
171 #define CONFIG_SYS_SCONSOLE_SIZE     (CONFIG_SYS_DCACHE_SIZE / 4)
172 
173 #endif	/* __CONFIG_H */
174