308 lines
11 KiB
C
308 lines
11 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* Configuation settings for the MBX8xx board.
|
|
*
|
|
* -----------------------------------------------------------------
|
|
* 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
|
|
*/
|
|
/*
|
|
* Changed 2002-10-01
|
|
* Added PCMCIA defines mostly taken from other U-Boot boards that
|
|
* have PCMCIA already working. If you find any bugs, incorrect assumptions
|
|
* feel free to fix them yourself and submit a patch.
|
|
* Rod Boyce <rod_boyce@stratexnet.com.
|
|
*/
|
|
/*
|
|
* board/config.h - configuration options, board specific
|
|
*/
|
|
|
|
#ifndef __CONFIG_H
|
|
#define __CONFIG_H
|
|
|
|
/*
|
|
* High Level Configuration Options
|
|
* (easy to change)
|
|
*/
|
|
|
|
#define CONFIG_MPC860 1 /* This is a MPC860 CPU */
|
|
#define CONFIG_MBX 1 /* ...on an MBX module */
|
|
|
|
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
|
|
#undef CONFIG_8xx_CONS_SMC2
|
|
#undef CONFIG_8xx_CONS_NONE
|
|
#define CONFIG_BAUDRATE 9600
|
|
/* Define this to use the PCI bus */
|
|
#undef CONFIG_USE_PCI
|
|
|
|
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
|
|
#define CONFIG_8xx_GCLK_FREQ (50000000UL)
|
|
#if 1
|
|
#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
|
|
#else
|
|
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
|
|
#endif
|
|
#define CONFIG_BOOTCOMMAND "bootm 20000" /* autoboot command */
|
|
|
|
#define CONFIG_BOOTARGS "root=/dev/nfs rw " \
|
|
"nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
|
|
"nfsaddrs=10.0.0.99:10.0.0.2"
|
|
|
|
#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_COMMANDS ( CFG_CMD_NET | CONFIG_CMD_DFL | CFG_CMD_SDRAM | \
|
|
CFG_CMD_PCMCIA | CFG_CMD_IDE )
|
|
|
|
#define CONFIG_DOS_PARTITION
|
|
|
|
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
|
|
#include <cmd_confdefs.h>
|
|
|
|
/*
|
|
* Miscellaneous configurable options
|
|
*/
|
|
#define CFG_LONGHELP /* undef to save memory */
|
|
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
|
|
#undef CFG_HUSH_PARSER /* Hush parse for U-Boot */
|
|
#ifdef CFG_HUSH_PARSER
|
|
#define CFG_PROMPT_HUSH_PS2 "> "
|
|
#endif
|
|
#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.
|
|
*/
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Physical memory map as defined by the MBX PGM
|
|
*/
|
|
#define CFG_IMMR 0xFA200000 /* Internal Memory Mapped Register*/
|
|
#define CFG_NVRAM_BASE 0xFA000000 /* NVRAM */
|
|
#define CFG_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
|
|
#define CFG_CSR_BASE 0xFA100000 /* Control/Status Registers */
|
|
#define CFG_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
|
|
#define CFG_PCIMEM_OR 0xA0000108
|
|
#define CFG_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
|
|
#define CFG_PCIBRIDGE_OR 0xFFFF0108
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
|
|
#define CFG_INIT_VPD_OFFSET (CFG_GBL_DATA_OFFSET - CFG_INIT_VPD_SIZE)
|
|
#define CFG_INIT_SP_OFFSET (CFG_INIT_VPD_OFFSET-8)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Offset in DPMEM where we keep the VPD data
|
|
*/
|
|
#define CFG_DPRAMVPD (CFG_INIT_VPD_OFFSET - 0x2000)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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 0xfe000000
|
|
#ifdef DEBUG
|
|
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
|
#else
|
|
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
|
#endif
|
|
#undef CFG_MONITOR_BASE /* 0x200000 to run U-Boot from RAM */
|
|
#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 16 /* 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) */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* NVRAM Configuration
|
|
*
|
|
* Note: the MBX is special because there is already a firmware on this
|
|
* board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
|
|
* access the NVRAM at the offset 0x1000.
|
|
*/
|
|
#define CFG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
|
|
#define CFG_ENV_ADDR (CFG_NVRAM_BASE + 0x1000)
|
|
#define CFG_ENV_SIZE 0x1000
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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)
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SIUMCR - SIU Module Configuration 11-6
|
|
*-----------------------------------------------------------------------
|
|
* PCMCIA config., multi-function pin tri-state
|
|
*/
|
|
/* #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME) */
|
|
#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC11 | SIUMCR_SEME | SIUMCR_BSC )
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* TBSCR - Time Base Status and Control 11-26
|
|
*-----------------------------------------------------------------------
|
|
* Clear Reference Interrupt Status, Timebase freezing enabled
|
|
*/
|
|
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PISCR - Periodic Interrupt Status and Control 11-31
|
|
*-----------------------------------------------------------------------
|
|
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
|
|
*/
|
|
#define CFG_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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 - leave PLL multiplication factor unchanged !
|
|
*/
|
|
#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SCCR - System Clock and reset Control Register 15-27
|
|
*-----------------------------------------------------------------------
|
|
* Set clock output, timebase and RTC source and divider,
|
|
* power management and some other internal clocks
|
|
*/
|
|
#define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
|
|
#define CFG_SCCR SCCR_TBS
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PCMCIA stuff
|
|
*-----------------------------------------------------------------------
|
|
*
|
|
*/
|
|
#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
|
|
#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
|
|
#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
|
|
#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_IO_ADDR (0xEC000000)
|
|
#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
|
|
|
|
#define CFG_PCMCIA_INTERRUPT SIU_LEVEL6
|
|
|
|
#define CONFIG_PCMCIA_SLOT_A 1
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
|
|
#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
|
|
|
|
#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
|
|
#undef CONFIG_IDE_LED /* LED for ide not supported */
|
|
#undef CONFIG_IDE_RESET /* reset for ide not supported */
|
|
|
|
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
|
|
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
|
|
|
|
#define CFG_ATA_IDE0_OFFSET 0x0000
|
|
|
|
#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
|
|
|
|
/* Offset for data I/O */
|
|
#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
|
|
|
|
/* Offset for normal register accesses */
|
|
#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
|
|
|
|
/* Offset for alternate registers */
|
|
#define CFG_ATA_ALT_OFFSET 0x0100
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Debug Entry Mode
|
|
*-----------------------------------------------------------------------
|
|
*
|
|
*/
|
|
#define CFG_DER 0
|
|
|
|
/*
|
|
* Internal Definitions
|
|
*
|
|
* Boot Flags
|
|
*/
|
|
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
|
|
#define BOOTFLAG_WARM 0x02 /* Software reboot */
|
|
|
|
#endif /* __CONFIG_H */
|