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
34 #undef CONFIG_SKIP_RELOCATE_UBOOT
37 * High Level Configuration Options
40 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
41 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
42 #define CONFIG_LPC2292
43 #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
45 #undef CONFIG_USE_IRQ /* don't need them anymore */
48 * Size of malloc() pool
50 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
51 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
58 * select serial console configuration
60 #define CONFIG_LPC2292_SERIAL
61 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
63 /* allow to overwrite serial and ethaddr */
64 #define CONFIG_ENV_OVERWRITE
66 #define CONFIG_BAUDRATE 115200
71 #define CONFIG_BOOTP_SUBNETMASK
72 #define CONFIG_BOOTP_GATEWAY
73 #define CONFIG_BOOTP_HOSTNAME
74 #define CONFIG_BOOTP_BOOTPATH
75 #define CONFIG_BOOTP_BOOTFILESIZE
78 /* enable I2C and select the hardware/software driver */
79 #undef CONFIG_HARD_I2C /* I2C with hardware support */
80 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
81 /* this would be 0xAE if E0, E1 and E2 were pulled high */
82 #define CONFIG_SYS_I2C_SLAVE 0xA0
83 #define CONFIG_SYS_I2C_EEPROM_ADDR (0xA0 >> 1)
84 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */
85 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */
86 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 20
87 /* not used but required by devices.c */
88 #define CONFIG_SYS_I2C_SPEED 10000
90 #ifdef CONFIG_SOFT_I2C
92 * Software (bit-bang) I2C driver configuration
94 #define SCL 0x00000004 /* P0.2 */
95 #define SDA 0x00000008 /* P0.3 */
97 #define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0)
98 #define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); }
99 #define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); }
100 #define I2C_DELAY { udelay(100); }
101 #define I2C_ACTIVE { unsigned int i2ctmp; \
102 i2ctmp = GET32(IO0DIR); \
104 PUT32(IO0DIR, i2ctmp); }
105 #define I2C_TRISTATE { unsigned int i2ctmp; \
106 i2ctmp = GET32(IO0DIR); \
108 PUT32(IO0DIR, i2ctmp); }
109 #endif /* CONFIG_SOFT_I2C */
113 * Command line configuration.
115 #include <config_cmd_default.h>
116 #define CONFIG_CMD_DHCP
117 #define CONFIG_CMD_FAT
118 #define CONFIG_CMD_MMC
119 #define CONFIG_CMD_NET
120 #define CONFIG_CMD_EEPROM
121 #define CONFIG_CMD_PING
124 #define CONFIG_DOS_PARTITION
126 #define CONFIG_BOOTDELAY 5
129 * Miscellaneous configurable options
131 #define CONFIG_SYS_LONGHELP /* undef to save memory */
132 #define CONFIG_SYS_PROMPT "SMN42 # " /* Monitor Command Prompt */
133 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
134 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
135 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
136 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
138 #define CONFIG_SYS_MEMTEST_START 0x81800000 /* memtest works on */
139 #define CONFIG_SYS_MEMTEST_END 0x83000000 /* 24 MB in SRAM */
141 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* default load address */
142 /* for uClinux img is here*/
144 #define CONFIG_SYS_SYS_CLK_FREQ 58982400 /* Hz */
145 #define CONFIG_SYS_HZ 2048 /* decrementer freq in Hz */
147 /* valid baudrates */
148 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
150 /*-----------------------------------------------------------------------
153 * The stack sizes are set up in start.S using the settings below
155 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
156 #ifdef CONFIG_USE_IRQ
157 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
158 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
161 /*-----------------------------------------------------------------------
162 * Physical Memory Map
164 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */
165 #define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */
166 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */
168 /* This is the external flash */
169 #define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */
170 #define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */
172 /*-----------------------------------------------------------------------
173 * FLASH and environment organization
177 * The first entry in CONFIG_SYS_FLASH_BANKS_LIST is a dummy, but it must be present.
179 #define CONFIG_SYS_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 }
180 #define CONFIG_SYS_FLASH_ADDR0 0x555
181 #define CONFIG_SYS_FLASH_ADDR1 0x2AA
182 #define CONFIG_SYS_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */
183 #define CONFIG_SYS_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */
185 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
187 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
189 #define CONFIG_ENV_IS_IN_FLASH 1
190 /* The Environment Sector is in the CPU-internal flash */
191 #define CONFIG_SYS_FLASH_BASE 0
192 #define CONFIG_ENV_OFFSET 0x3C000
193 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
194 #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
196 #define CONFIG_CMDLINE_TAG
197 #define CONFIG_SETUP_MEMORY_TAGS
198 #define CONFIG_INITRD_TAG
200 /* we use this ethernet chip */
201 #define CONFIG_ENC28J60_LPC2292
203 #endif /* __CONFIG_H */