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160131bf PP |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
4 | * | |
5 | * Configuation settings for the SMN42 board from Siemens. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #ifndef __CONFIG_H | |
27 | #define __CONFIG_H | |
28 | ||
29 | /* | |
30 | * If we are developing, we might want to start u-boot from ram | |
31 | * so we MUST NOT initialize critical regs like mem-timing ... | |
32 | */ | |
33 | #undef CONFIG_INIT_CRITICAL /* undef for developing */ | |
34 | ||
35 | #undef CONFIG_SKIP_LOWLEVEL_INIT | |
36 | #undef CONFIG_SKIP_RELOCATE_UBOOT | |
37 | ||
38 | /* | |
39 | * High Level Configuration Options | |
40 | * (easy to change) | |
41 | */ | |
42 | #define CONFIG_ARM7 1 /* This is a ARM7 CPU */ | |
43 | #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ | |
44 | #define CONFIG_LPC2292 | |
725671cc | 45 | #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */ |
160131bf PP |
46 | |
47 | #undef CONFIG_USE_IRQ /* don't need them anymore */ | |
48 | ||
49 | /* | |
50 | * Size of malloc() pool | |
51 | */ | |
0e8d1586 | 52 | #define CFG_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) |
160131bf PP |
53 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
54 | ||
55 | /* | |
56 | * Hardware drivers | |
57 | */ | |
58 | ||
59 | /* | |
60 | * select serial console configuration | |
61 | */ | |
62 | #define CONFIG_SERIAL1 1 /* we use Serial line 1 */ | |
63 | ||
64 | /* allow to overwrite serial and ethaddr */ | |
65 | #define CONFIG_ENV_OVERWRITE | |
66 | ||
67 | #define CONFIG_BAUDRATE 115200 | |
68 | ||
18225e8d JL |
69 | /* |
70 | * BOOTP options | |
71 | */ | |
72 | #define CONFIG_BOOTP_SUBNETMASK | |
73 | #define CONFIG_BOOTP_GATEWAY | |
74 | #define CONFIG_BOOTP_HOSTNAME | |
75 | #define CONFIG_BOOTP_BOOTPATH | |
76 | #define CONFIG_BOOTP_BOOTFILESIZE | |
77 | ||
160131bf PP |
78 | |
79 | /* enable I2C and select the hardware/software driver */ | |
725671cc | 80 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ |
160131bf PP |
81 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ |
82 | /* this would be 0xAE if E0, E1 and E2 were pulled high */ | |
83 | #define CFG_I2C_SLAVE 0xA0 | |
84 | #define CFG_I2C_EEPROM_ADDR (0xA0 >> 1) | |
85 | #define CFG_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */ | |
86 | #define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */ | |
87 | #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20 | |
88 | /* not used but required by devices.c */ | |
89 | #define CFG_I2C_SPEED 10000 | |
90 | ||
91 | #ifdef CONFIG_SOFT_I2C | |
92 | /* | |
93 | * Software (bit-bang) I2C driver configuration | |
94 | */ | |
95 | #define SCL 0x00000004 /* P0.2 */ | |
96 | #define SDA 0x00000008 /* P0.3 */ | |
97 | ||
98 | #define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0) | |
99 | #define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); } | |
100 | #define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); } | |
101 | #define I2C_DELAY { udelay(100); } | |
102 | #define I2C_ACTIVE { unsigned int i2ctmp; \ | |
725671cc | 103 | i2ctmp = GET32(IO0DIR); \ |
160131bf PP |
104 | i2ctmp |= SDA; \ |
105 | PUT32(IO0DIR, i2ctmp); } | |
106 | #define I2C_TRISTATE { unsigned int i2ctmp; \ | |
725671cc | 107 | i2ctmp = GET32(IO0DIR); \ |
160131bf PP |
108 | i2ctmp &= ~SDA; \ |
109 | PUT32(IO0DIR, i2ctmp); } | |
110 | #endif /* CONFIG_SOFT_I2C */ | |
111 | ||
fe7f782d | 112 | |
160131bf | 113 | /* |
fe7f782d | 114 | * Command line configuration. |
160131bf | 115 | */ |
fe7f782d JL |
116 | #include <config_cmd_default.h> |
117 | #define CONFIG_CMD_DHCP | |
118 | #define CONFIG_CMD_FAT | |
119 | #define CONFIG_CMD_MMC | |
120 | #define CONFIG_CMD_NET | |
121 | #define CONFIG_CMD_EEPROM | |
122 | #define CONFIG_CMD_PING | |
160131bf | 123 | |
160131bf | 124 | |
fe7f782d | 125 | #define CONFIG_DOS_PARTITION |
160131bf PP |
126 | |
127 | #define CONFIG_BOOTDELAY 5 | |
128 | ||
129 | /* | |
130 | * Miscellaneous configurable options | |
131 | */ | |
132 | #define CFG_LONGHELP /* undef to save memory */ | |
133 | #define CFG_PROMPT "SMN42 # " /* Monitor Command Prompt */ | |
134 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
135 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
136 | #define CFG_MAXARGS 16 /* max number of command args */ | |
137 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
138 | ||
139 | #define CFG_MEMTEST_START 0x81800000 /* memtest works on */ | |
140 | #define CFG_MEMTEST_END 0x83000000 /* 24 MB in SRAM */ | |
141 | ||
725671cc | 142 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
160131bf | 143 | |
725671cc WD |
144 | #define CFG_LOAD_ADDR 0x81000000 /* default load address */ |
145 | /* for uClinux img is here*/ | |
160131bf | 146 | |
725671cc | 147 | #define CFG_SYS_CLK_FREQ 58982400 /* Hz */ |
160131bf PP |
148 | #define CFG_HZ 2048 /* decrementer freq in Hz */ |
149 | ||
150 | /* valid baudrates */ | |
151 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
152 | ||
153 | /*----------------------------------------------------------------------- | |
154 | * Stack sizes | |
155 | * | |
156 | * The stack sizes are set up in start.S using the settings below | |
157 | */ | |
158 | #define CONFIG_STACKSIZE (128*1024) /* regular stack */ | |
159 | #ifdef CONFIG_USE_IRQ | |
160 | #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ | |
161 | #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ | |
162 | #endif | |
163 | ||
164 | /*----------------------------------------------------------------------- | |
165 | * Physical Memory Map | |
166 | */ | |
167 | #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */ | |
168 | #define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */ | |
169 | #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */ | |
170 | ||
171 | /* This is the external flash */ | |
172 | #define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */ | |
173 | #define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */ | |
174 | ||
175 | /*----------------------------------------------------------------------- | |
176 | * FLASH and environment organization | |
177 | */ | |
178 | ||
179 | /* | |
180 | * The first entry in CFG_FLASH_BANKS_LIST is a dummy, but it must be present. | |
181 | */ | |
182 | #define CFG_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 } | |
183 | #define CFG_FLASH_ADDR0 0x555 | |
184 | #define CFG_FLASH_ADDR1 0x2AA | |
185 | #define CFG_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */ | |
186 | #define CFG_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ | |
187 | ||
188 | #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ | |
189 | ||
190 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
191 | ||
5a1aceb0 | 192 | #define CONFIG_ENV_IS_IN_FLASH 1 |
160131bf PP |
193 | /* The Environment Sector is in the CPU-internal flash */ |
194 | #define CFG_FLASH_BASE 0 | |
0e8d1586 JCPV |
195 | #define CONFIG_ENV_OFFSET 0x3C000 |
196 | #define CONFIG_ENV_ADDR (CFG_FLASH_BASE + CONFIG_ENV_OFFSET) | |
197 | #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ | |
160131bf PP |
198 | |
199 | #define CONFIG_CMDLINE_TAG | |
200 | #define CONFIG_SETUP_MEMORY_TAGS | |
201 | #define CONFIG_INITRD_TAG | |
202 | #define CONFIG_MMC 1 | |
203 | /* we use this ethernet chip */ | |
204 | #define CONFIG_ENC28J60 | |
205 | ||
206 | #endif /* __CONFIG_H */ |