316 lines
11 KiB
C
316 lines
11 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
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#define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */
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#define CONFIG_SYS_TEXT_BASE 0x40000000
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#define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */
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#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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#undef CONFIG_8xx_CONS_SMC2
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#undef CONFIG_8xx_CONS_NONE
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#define MPC8XX_FACT 10 /* Multiply by 10 */
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#define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */
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#define CONFIG_SYS_PLPRCR_MF ((MPC8XX_FACT-1) << 20)
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#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */
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#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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#define CONFIG_BAUDRATE 9600
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */
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#define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \
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"ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 "
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_SUBNETMASK
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_BOOTFILESIZE
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_SYS_PROMPT "BOOT: " /* Monitor Command Prompt */
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
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#define CONFIG_SYS_MAXARGS 8 /* max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
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#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
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#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
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#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CONFIG_SYS_IMMR 0xFF000000
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
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#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
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#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_FLASH_BASE 0x40000000
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#ifdef DEBUG
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#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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#else
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#define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
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#endif
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CONFIG_ENV_IS_IN_FLASH 1
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#define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
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#define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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/*-----------------------------------------------------------------------
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* SUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
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/* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 11-31
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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*/
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#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
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/*-----------------------------------------------------------------------
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* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
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*-----------------------------------------------------------------------
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* Reset PLL lock status sticky bit, timer expired status bit and timer
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* interrupt status bit - leave PLL multiplication factor unchanged !
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*/
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#define CONFIG_SYS_PLPRCR (CONFIG_SYS_PLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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/*-----------------------------------------------------------------------
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* SCCR - System Clock and reset Control Register 15-27
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*-----------------------------------------------------------------------
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* Set clock output, timebase and RTC source and divider,
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* power management and some other internal clocks
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*/
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#define SCCR_MASK SCCR_EBDF11
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#define CONFIG_SYS_SCCR (SCCR_TBS | \
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SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
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SCCR_DFALCD00)
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/*-----------------------------------------------------------------------
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* PCMCIA stuff
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*-----------------------------------------------------------------------
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*
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*/
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#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
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#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
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#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
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#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
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#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
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#define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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/*#define CONFIG_SYS_DER 0x2002000F*/
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#define CONFIG_SYS_DER 0
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/*#define CONFIG_SYS_DER 0x02002000 */
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
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/* used to re-map FLASH both when starting from SRAM or FLASH:
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* restrict access enough to keep SRAM working (if any)
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* but not too much to meddle with FLASH accesses
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*/
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#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
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#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
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/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
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#define CONFIG_SYS_OR_TIMING_FLASH 0x00000160
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/*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
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OR_SCY_5_CLK | OR_EHTR) */
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#define CONFIG_SYS_OR0_REMAP 0x80000160 /*(CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)*/
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#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
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#define CONFIG_SYS_BR0_PRELIM ( FLASH_BASE0_PRELIM | 0x00000801 )
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#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
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#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
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#define CONFIG_SYS_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 )
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/*
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* BR2/3 and OR2/3 (SDRAM)
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*
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*/
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#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
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#define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */
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#define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */
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/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
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#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
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#define CONFIG_SYS_OR2_PRELIM 0xFC000E00
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#define CONFIG_SYS_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081)
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#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
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#define CONFIG_SYS_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081)
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/*
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* Memory Periodic Timer Prescaler
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*/
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/* periodic timer for refresh */
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#define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
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/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
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#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
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#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
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/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
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#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
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#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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/*
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* MAMR settings for SDRAM
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*/
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/* 8 column SDRAM */
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#define CONFIG_SYS_MAMR_8COL 0x18803112
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#define CONFIG_SYS_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/
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#endif /* __CONFIG_H */
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