/* * (C) Copyright 2000, 2001, 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de * * 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 * Derived from ../tqm8xx/tqm8xx.c */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC855 1 /* This is a MPC855 CPU */ #define CONFIG_KUP4K 1 /* ...on a KUP4K module */ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */ #endif #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #define CONFIG_BOARD_TYPES 1 /* support board types */ #if 0 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" #endif #undef CONFIG_BOOTARGS #define CONFIG_NFSBOOTCOMMAND \ "dhcp ;"\ "setenv bootargs root=/dev/nfs ro nfsroot=$(nfsip):$(rootpath) "\ "ip=$(ipaddr):$(nfsip):$(gatewayip):"\ "$(netmask):heydeck.eva:eth0:off; "\ "bootm 100000" #define CONFIG_RAMBOOTCOMMAND \ "diskboot 100000 0:1; "\ "setenv bootargs root=/dev/hda2 panic=1 "\ "ip=192.168.0.71:192.168.0.100:192.168.0.2:255.255.255.0; "\ "bootm" #define CONFIG_BOOTCOMMAND \ "run ramboot "\ "run nfsboot" #define CONFIG_MISC_INIT_R 1 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_STATUS_LED 1 /* Status LED enabled */ #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) #define CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ #define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */ #define CONFIG_KUP4K_LOGO 0x40040000 /* Address of logo bitmap */ /* Define to allow the user to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_DHCP | \ CFG_CMD_IDE | \ CFG_CMD_DATE ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include /* * Miscellaneous configurable options */ #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_LOAD_ADDR 0x100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Internal Memory Mapped Register */ #define CFG_IMMR 0xFFF00000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 64 /* size in bytes 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 /*----------------------------------------------------------------------- * 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 0x40000000 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ /* * 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 */ /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x8000 /* Address and size of Redundant Environment Sector */ #if 0 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE) #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) #endif /*----------------------------------------------------------------------- * Hardware Information Block */ #if 0 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ #endif /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ #endif /*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze */ #if defined(CONFIG_WATCHDOG) #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) #else #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) #endif /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) /*----------------------------------------------------------------------- * RTCSC - Real-Time Clock Status and Control Register 11-27 *----------------------------------------------------------------------- */ #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_PISCR (PISCR_PS | PISCR_PITF) /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- * Reset PLL lock status sticky bit, timer expired status bit and timer * interrupt status bit * * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! */ #define CFG_PLPRCR ( (3-1)< ms * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration * 4 Number of refresh cycles per period * 64 Refresh cycle in ms per number of rows * -------------------------------------------- * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 * * 50 MHz => 50.000.000 / Divider = 98 * 66 Mhz => 66.000.000 / Divider = 129 * 80 Mhz => 80.000.000 / Divider = 156 */ #if defined(CONFIG_80MHz) #define CFG_MAMR_PTA 156 #elif defined(CONFIG_66MHz) #define CFG_MAMR_PTA 129 #else /* 50 MHz */ #define CFG_MAMR_PTA 98 #endif /*CONFIG_??MHz */ /* * For 16 MBit, refresh rates could be 31.3 us * (= 64 ms / 2K = 125 / quad bursts). * For a simpler initialization, 15.6 us is used instead. * * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank */ #define CFG_MPTPR 0x400 /* * MAMR settings for SDRAM */ #define CFG_MAMR 0x80802114 /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */ #if 0 #define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n" #endif #define CONFIG_AUTOBOOT_STOP_STR "2" /* easy to stop for now */ #endif /* __CONFIG_H */