3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Configuation settings for the SMN42 board from Siemens.
7 * See file CREDITS for list of people who contributed to this
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.
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.
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,
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 ...
33 #undef CONFIG_SKIP_LOWLEVEL_INIT
36 * High Level Configuration Options
39 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
40 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
41 #define CONFIG_LPC2292
42 #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
44 #undef CONFIG_USE_IRQ /* don't need them anymore */
47 * Size of malloc() pool
49 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
56 * select serial console configuration
58 #define CONFIG_LPC2292_SERIAL
59 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
61 /* allow to overwrite serial and ethaddr */
62 #define CONFIG_ENV_OVERWRITE
64 #define CONFIG_BAUDRATE 115200
69 #define CONFIG_BOOTP_SUBNETMASK
70 #define CONFIG_BOOTP_GATEWAY
71 #define CONFIG_BOOTP_HOSTNAME
72 #define CONFIG_BOOTP_BOOTPATH
73 #define CONFIG_BOOTP_BOOTFILESIZE
76 /* enable I2C and select the hardware/software driver */
77 #undef CONFIG_HARD_I2C /* I2C with hardware support */
78 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
79 /* this would be 0xAE if E0, E1 and E2 were pulled high */
80 #define CONFIG_SYS_I2C_SLAVE 0xA0
81 #define CONFIG_SYS_I2C_EEPROM_ADDR (0xA0 >> 1)
82 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */
83 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */
84 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 20
85 /* not used but required by devices.c */
86 #define CONFIG_SYS_I2C_SPEED 10000
88 #ifdef CONFIG_SOFT_I2C
90 * Software (bit-bang) I2C driver configuration
92 #define SCL 0x00000004 /* P0.2 */
93 #define SDA 0x00000008 /* P0.3 */
95 #define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0)
96 #define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); }
97 #define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); }
98 #define I2C_DELAY { udelay(100); }
99 #define I2C_ACTIVE { unsigned int i2ctmp; \
100 i2ctmp = GET32(IO0DIR); \
102 PUT32(IO0DIR, i2ctmp); }
103 #define I2C_TRISTATE { unsigned int i2ctmp; \
104 i2ctmp = GET32(IO0DIR); \
106 PUT32(IO0DIR, i2ctmp); }
107 #endif /* CONFIG_SOFT_I2C */
111 * Command line configuration.
113 #include <config_cmd_default.h>
114 #define CONFIG_CMD_DHCP
115 #define CONFIG_CMD_FAT
116 #define CONFIG_CMD_MMC
117 #define CONFIG_CMD_NET
118 #define CONFIG_CMD_EEPROM
119 #define CONFIG_CMD_PING
122 #define CONFIG_DOS_PARTITION
124 #define CONFIG_BOOTDELAY 5
127 * Miscellaneous configurable options
129 #define CONFIG_SYS_LONGHELP /* undef to save memory */
130 #define CONFIG_SYS_PROMPT "SMN42 # " /* Monitor Command Prompt */
131 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
132 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
133 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
134 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
136 #define CONFIG_SYS_MEMTEST_START 0x81800000 /* memtest works on */
137 #define CONFIG_SYS_MEMTEST_END 0x83000000 /* 24 MB in SRAM */
139 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* default load address */
140 /* for uClinux img is here*/
142 #define CONFIG_SYS_SYS_CLK_FREQ 58982400 /* Hz */
143 #define CONFIG_SYS_HZ 2048 /* decrementer freq in Hz */
145 /* valid baudrates */
146 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
148 /*-----------------------------------------------------------------------
151 * The stack sizes are set up in start.S using the settings below
153 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
154 #ifdef CONFIG_USE_IRQ
155 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
156 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
159 /*-----------------------------------------------------------------------
160 * Physical Memory Map
162 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */
163 #define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */
164 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */
166 /* This is the external flash */
167 #define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */
168 #define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */
170 /*-----------------------------------------------------------------------
171 * FLASH and environment organization
175 * The first entry in CONFIG_SYS_FLASH_BANKS_LIST is a dummy, but it must be present.
177 #define CONFIG_SYS_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 }
178 #define CONFIG_SYS_FLASH_ADDR0 0x555
179 #define CONFIG_SYS_FLASH_ADDR1 0x2AA
180 #define CONFIG_SYS_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */
181 #define CONFIG_SYS_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */
183 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
185 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
187 #define CONFIG_ENV_IS_IN_FLASH 1
188 /* The Environment Sector is in the CPU-internal flash */
189 #define CONFIG_SYS_FLASH_BASE 0
190 #define CONFIG_ENV_OFFSET 0x3C000
191 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
192 #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
194 #define CONFIG_CMDLINE_TAG
195 #define CONFIG_SETUP_MEMORY_TAGS
196 #define CONFIG_INITRD_TAG
198 /* we use this ethernet chip */
199 #define CONFIG_ENC28J60_LPC2292
201 #endif /* __CONFIG_H */