/* * (C) Copyright 2003 * Martin Winistoerfer, martinwinistoerfer@gmx.ch. * * 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, */ /* * File: cmi_mpc5xx.h * * Discription: Config header file for cmi * board using an MPC5xx CPU * */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options */ #define CONFIG_MPC555 1 /* This is an MPC555 CPU */ #define CONFIG_CMI 1 /* Using the customized cmi board */ /* Serial Console Configuration */ #define CONFIG_5xx_CONS_SCI1 #undef CONFIG_5xx_CONS_SCI2 #define CONFIG_BAUDRATE 57600 #define CONFIG_COMMANDS (CFG_CMD_MEMORY | CFG_CMD_LOADB | CFG_CMD_REGINFO | \ CFG_CMD_FLASH | CFG_CMD_LOADS | CFG_CMD_ASKENV | \ CFG_CMD_BDI | CFG_CMD_CONSOLE | CFG_CMD_ENV | CFG_CMD_RUN | \ CFG_CMD_IMI) /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_BOOTCOMMAND "go 02034004" /* autoboot command */ #define CONFIG_BOOTARGS "" /* Assuming OS Image in 4 flash sector at offset 4004 */ #define CONFIG_WATCHDOG /* turn on platform specific watchdog */ #define CONFIG_STATUS_LED 1 /* Enable status led */ #define CONFIG_LOADS_ECHO 1 /* Echo on for serial download */ /* * 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 0x00000000 /* memtest works on */ #define CFG_MEMTEST_END 0x000fa000 /* 1 MB in SRAM */ #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, 1250000 } /* * Low Level Configuration Settings */ /* * Internal Memory Mapped (This is not the IMMR content) */ #define CFG_IMMR 0x01000000 /* Physical start adress of internal memory map */ /* * Definitions for initial stack pointer and data area */ #define CFG_INIT_RAM_ADDR (CFG_IMMR + 0x003f9800) /* Physical start adress of internal MPC555 writable RAM */ #define CFG_INIT_RAM_END (CFG_IMMR + 0x003fffff) /* Physical end adress of internal MPC555 used RAM area */ #define CFG_GBL_DATA_SIZE 64 /* Size in bytes reserved for initial global data */ #define CFG_GBL_DATA_OFFSET ((CFG_INIT_RAM_END - CFG_INIT_RAM_ADDR) - CFG_GBL_DATA_SIZE) /* Offset from the beginning of ram */ #define CFG_INIT_SP_ADDR 0x013fa000 /* Physical start adress of inital stack */ /* * Start addresses for the final memory configuration * Please note that CFG_SDRAM_BASE _must_ start at 0 */ #define CFG_SDRAM_BASE 0x00000000 /* Monitor won't change memory map */ #define CFG_FLASH_BASE 0x02000000 /* External flash */ #define PLD_BASE 0x03000000 /* PLD */ #define ANYBUS_BASE 0x03010000 /* Anybus Module */ #define CFG_RESET_ADRESS 0x01000000 /* Adress which causes reset */ #define CFG_MONITOR_BASE CFG_FLASH_BASE /* TEXT_BASE is defined in the board config.mk file. */ /* This adress is given to the linker with -Ttext to */ /* locate the text section at this adress. */ #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ #define CFG_MALLOC_LEN (64 << 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 64 /* Max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 180000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 600 /* Timeout for Flash Write (in ms) */ #define CFG_FLASH_PROTECTION 1 /* Physically section protection on */ #define CFG_ENV_IS_IN_FLASH 1 #ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_OFFSET 0x00020000 /* Environment starts at this adress */ #define CFG_ENV_SIZE 0x00010000 /* Set whole sector as env */ #endif /*----------------------------------------------------------------------- * SYPCR - System Protection Control * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * 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 /* CONFIG_WATCHDOG */ /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_PISCR (PISCR_PITF) /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK SCCR_EBDF00 #define CFG_SCCR (SCCR_TBS | SCCR_RTDIV | SCCR_RTSEL | \ SCCR_COM00 | SCCR_DFNL000 | SCCR_DFNH000) /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration *----------------------------------------------------------------------- * Data show cycle */ #define CFG_SIUMCR (SIUMCR_DBGC00) /* Disable data show cycle */ /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register *----------------------------------------------------------------------- * Set all bits to 40 Mhz * */ #define CFG_OSC_CLK ((uint)4000000) /* Oscillator clock is 4MHz */ #define CFG_PLPRCR (PLPRCR_MF_9 | PLPRCR_DIVF_0) /*----------------------------------------------------------------------- * UMCR - UIMB Module Configuration Register *----------------------------------------------------------------------- * */ #define CFG_UMCR (UMCR_FSPEED) /* IMB clock same as U-bus */ /*----------------------------------------------------------------------- * ICTRL - I-Bus Support Control Register */ #define CFG_ICTRL (ICTRL_ISCT_SER_7) /* Take out of serialized mode */ /*----------------------------------------------------------------------- * USIU - Memory Controller Register *----------------------------------------------------------------------- */ #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_V | BR_BI | BR_PS_16) #define CFG_OR0_PRELIM (OR_ADDR_MK_FF | OR_SCY_3) #define CFG_BR1_PRELIM (ANYBUS_BASE) #define CFG_OR1_PRELIM (OR_ADDR_MK_FFFF | OR_SCY_1 | OR_ETHR) #define CFG_BR2_PRELIM (CFG_SDRAM_BASE | BR_V | BR_PS_32) #define CFG_OR2_PRELIM (OR_ADDR_MK_FF) #define CFG_BR3_PRELIM (PLD_BASE | BR_V | BR_BI | BR_LBDIR | BR_PS_8) #define CFG_OR3_PRELIM (OR_ADDR_MK_FF | OR_TRLX | OR_BSCY | OR_SCY_8 | \ OR_ACS_10 | OR_ETHR | OR_CSNT) #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* We don't realign the flash */ /*----------------------------------------------------------------------- * DER - Timer Decrementer *----------------------------------------------------------------------- * Initialise to zero */ #define CFG_DER 0x00000000 /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #endif /* __CONFIG_H */