diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/csb472.h | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/include/configs/csb472.h b/include/configs/csb472.h new file mode 100644 index 0000000..4e5dcfc --- /dev/null +++ b/include/configs/csb472.h @@ -0,0 +1,313 @@ +/* + * (C) Copyright 2004 + * Tolunay Orkun, Nextio Inc., torkun@nextio.com + * + * 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 + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_405GP 1 /* This is a PPC405GP CPU */ +#define CONFIG_4xx 1 /* ...member of PPC4xx family */ +#define CONFIG_CSB472 1 /* on a Cogent CSB472 board */ +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f() */ +#define CONFIG_LAST_STAGE_INIT 1 /* Call last_stage_init() */ +#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */ + +/* + * OS Bootstrap configuration + * + */ + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 3 /* autoboot after X seconds */ +#endif + +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check keypress when bootdelay = 0 */ + +#if 1 +#undef CONFIG_BOOTARGS +#define CONFIG_BOOTCOMMAND \ + "setenv bootargs console=ttyS0,38400 debug " \ + "root=/dev/ram rw ramdisk_size=4096 " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \ + "bootm ff800000 ff900000" +#endif + +#if 0 +#undef CONFIG_BOOTARGS +#define CONFIG_BOOTCOMMAND \ + "bootp; " \ + "setenv bootargs console=ttyS0,38400 debug " \ + "root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \ + "bootm" +#endif + +/* + * BOOTP/DHCP protocol configuration + * + */ +#define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \ + CONFIG_BOOTP_DNS2 | \ + CONFIG_BOOTP_BOOTFILESIZE ) +/* + * U-Boot Monitor Command Line Functions Configuration + * + */ +#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_BEDBUG | \ + CFG_CMD_ELF | \ + CFG_CMD_IRQ | \ + CFG_CMD_I2C | \ + CFG_CMD_PCI | \ + CFG_CMD_DATE | \ + CFG_CMD_MII | \ + CFG_CMD_PING | \ + CFG_CMD_DHCP ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Serial download configuration + * + */ +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +/* + * KGDB Configuration + * + */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* + * Miscellaneous configurable options + * + */ +#undef CFG_HUSH_PARSER /* use "hush" command parser */ +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT_HUSH_PS2 "> " /* hush shell secondary prompt */ +#endif + +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ +#define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */ +#define CFG_EXTBDINFO 1 /* To use extended board_info (bd_t) */ +#define CFG_LOAD_ADDR 0x100000 /* default load address */ + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/* + * watchdog configuration + * + */ +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/* + * UART configuration + * + */ +#undef CFG_EXT_SERIAL_CLOCK /* use internal serial clock */ +#undef CFG_IGNORE_405_UART_ERRATA_59 /* ignore ppc405gp errata #59 */ +#define CFG_BASE_BAUD 691200 +#define CONFIG_BAUDRATE 38400 /* Default baud rate */ +#define CFG_BAUDRATE_TABLE \ + { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 } + +/* + * I2C configuration + * + */ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#define CFG_I2C_SPEED 100000 /* I2C speed */ +#define CFG_I2C_SLAVE 0x7F /* I2C slave address */ + +/* + * MII PHY configuration + * + */ +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 0 /* PHY address */ +#define CONFIG_PHY_CMD_DELAY 40 /* PHY COMMAND delay */ + /* 32usec min. for LXT971A */ +#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */ + +/* + * RTC configuration + * + * Note that DS1307 RTC is limited to 100Khz I2C bus. + * + */ +#define CONFIG_RTC_DS1307 /* Use Dallas 1307 RTC */ + +/* + * PCI stuff + * + */ +#define CONFIG_PCI /* include pci support */ +#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ +#define PCI_HOST_FORCE 1 /* configure as pci host */ +#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ + +#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ +#define CONFIG_PCI_PNP /* do pci plug-and-play */ + /* resource configuration */ +#undef CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */ +#define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/ + +#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */ +#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */ +#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */ +#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ +#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ +#define CFG_PCI_PTM2LA 0x00000000 /* disabled */ +#define CFG_PCI_PTM2MS 0x00000000 /* disabled */ +#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ + +/* + * IDE stuff + * + */ +#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */ +#undef CONFIG_IDE_LED /* no led for ide supported */ +#undef CONFIG_IDE_RESET /* no reset for ide supported */ + +/* + * Environment configuration + * + */ +#define CFG_ENV_IS_IN_FLASH 1 /* environment is in FLASH */ +#undef CFG_ENV_IS_IN_NVRAM +#undef CFG_ENV_IS_IN_EEPROM + +/* + * General Memory organization + * + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFF800000 +#define CFG_FLASH_SIZE 0x00800000 +#define CFG_MONITOR_BASE TEXT_BASE +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 KB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KB for malloc() */ + +#if CFG_MONITOR_BASE < CFG_FLASH_BASE +#define CFG_RAMSTART +#endif + +#if defined(CFG_ENV_IS_IN_FLASH) +#define CFG_ENV_IN_OWN_SECTOR 1 /* Give Environment own sector */ +#define CFG_ENV_ADDR 0xFFF00000 /* Address of Environment Sector */ +#define CFG_ENV_SIZE 0x00001000 /* Size of Environment */ +#define CFG_ENV_SECT_SIZE 0x00040000 /* Size of Environment Sector */ +#endif + +/* + * FLASH Device configuration + * + */ +#define CFG_FLASH_CFI 1 /* flash is CFI conformant */ +#define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */ +#define CFG_FLASH_INCREMENT 0 /* there is only one bank */ +#define CFG_MAX_FLASH_SECT 64 /* max # of sectors on one chip */ +#define CFG_FLASH_PROTECTION 1 /* hardware flash protection */ +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } + +/* + * On Chip Memory location/size + * + */ +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 + +/* + * Global info and initial stack + * + */ +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of on-chip SRAM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ +#define CFG_GBL_DATA_SIZE 128 /* byte size reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/* + * Cache configuration + * + */ +#define CFG_DCACHE_SIZE 16384 /* For IBM 405 CPUs, older 405 ppc's */ + /* have only 8kB, 16kB is save here */ +#define CFG_CACHELINE_SIZE 32 + +/* + * Miscellaneous board specific definitions + * + */ +#define CONFIG_I2CFAST 1 /* enable "i2cfast" env. setting */ + +/* + * Internal Definitions + * + * Boot Flags + * + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |