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Diffstat (limited to 'u-boot/include/configs/SMN42.h')
| -rw-r--r-- | u-boot/include/configs/SMN42.h | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/u-boot/include/configs/SMN42.h b/u-boot/include/configs/SMN42.h new file mode 100644 index 0000000..4a8acab --- /dev/null +++ b/u-boot/include/configs/SMN42.h @@ -0,0 +1,201 @@ +/* + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Configuation settings for the SMN42 board from Siemens. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * If we are developing, we might want to start u-boot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ +#undef CONFIG_SKIP_LOWLEVEL_INIT + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_ARM7 1 /* This is a ARM7 CPU */ +#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ +#define CONFIG_LPC2292 +#undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */ + +#undef CONFIG_USE_IRQ /* don't need them anymore */ + +/* + * Size of malloc() pool + */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) + +/* + * Hardware drivers + */ + +/* + * select serial console configuration + */ +#define CONFIG_LPC2292_SERIAL +#define CONFIG_SERIAL1 1 /* we use Serial line 1 */ + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_SUBNETMASK +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_BOOTFILESIZE + + +/* enable I2C and select the hardware/software driver */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ +/* this would be 0xAE if E0, E1 and E2 were pulled high */ +#define CONFIG_SYS_I2C_SLAVE 0xA0 +#define CONFIG_SYS_I2C_EEPROM_ADDR (0xA0 >> 1) +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */ +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */ +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 20 +/* not used but required by devices.c */ +#define CONFIG_SYS_I2C_SPEED 10000 + +#ifdef CONFIG_SOFT_I2C +/* + * Software (bit-bang) I2C driver configuration + */ +#define SCL 0x00000004 /* P0.2 */ +#define SDA 0x00000008 /* P0.3 */ + +#define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0) +#define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); } +#define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); } +#define I2C_DELAY { udelay(100); } +#define I2C_ACTIVE { unsigned int i2ctmp; \ + i2ctmp = GET32(IO0DIR); \ + i2ctmp |= SDA; \ + PUT32(IO0DIR, i2ctmp); } +#define I2C_TRISTATE { unsigned int i2ctmp; \ + i2ctmp = GET32(IO0DIR); \ + i2ctmp &= ~SDA; \ + PUT32(IO0DIR, i2ctmp); } +#endif /* CONFIG_SOFT_I2C */ + + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_FAT +#define CONFIG_CMD_MMC +#define CONFIG_CMD_NET +#define CONFIG_CMD_EEPROM +#define CONFIG_CMD_PING + + +#define CONFIG_DOS_PARTITION + +#define CONFIG_BOOTDELAY 5 + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_PROMPT "SMN42 # " /* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ + +#define CONFIG_SYS_MEMTEST_START 0x81800000 /* memtest works on */ +#define CONFIG_SYS_MEMTEST_END 0x83000000 /* 24 MB in SRAM */ + +#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* default load address */ + /* for uClinux img is here*/ + +#define CONFIG_SYS_SYS_CLK_FREQ 58982400 /* Hz */ +#define CONFIG_SYS_HZ 2048 /* decrementer freq in Hz */ + + /* valid baudrates */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */ +#define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */ + +/* This is the external flash */ +#define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */ +#define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */ + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ + +/* + * The first entry in CONFIG_SYS_FLASH_BANKS_LIST is a dummy, but it must be present. + */ +#define CONFIG_SYS_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 } +#define CONFIG_SYS_FLASH_ADDR0 0x555 +#define CONFIG_SYS_FLASH_ADDR1 0x2AA +#define CONFIG_SYS_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */ +#define CONFIG_SYS_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ + +#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ + +#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ + +#define CONFIG_ENV_IS_IN_FLASH 1 +/* The Environment Sector is in the CPU-internal flash */ +#define CONFIG_SYS_FLASH_BASE 0 +#define CONFIG_ENV_OFFSET 0x3C000 +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) +#define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_MMC 1 +/* we use this ethernet chip */ +#define CONFIG_ENC28J60_LPC2292 + +#endif /* __CONFIG_H */ |