فهرست منبع

Add support for EmbeddedPlanet EP88x boards
Patch by Yuli Barcohen, 13 Jul 2005

Wolfgang Denk 19 سال پیش
والد
کامیت
84c960ce6d
8فایلهای تغییر یافته به همراه549 افزوده شده و 10 حذف شده
  1. 3 0
      CHANGELOG
  2. 10 10
      MAKEALL
  3. 3 0
      Makefile
  4. 46 0
      board/ep88x/Makefile
  5. 27 0
      board/ep88x/config.mk
  6. 133 0
      board/ep88x/ep88x.c
  7. 122 0
      board/ep88x/u-boot.lds
  8. 205 0
      include/configs/EP88x.h

+ 3 - 0
CHANGELOG

@@ -2,6 +2,9 @@
 Changes since U-Boot 1.1.4:
 Changes since U-Boot 1.1.4:
 ======================================================================
 ======================================================================
 
 
+* Add support for EmbeddedPlanet EP88x boards
+  Patch by Yuli Barcohen, 13 Jul 2005
+
 * Remove board specific configuration includes from the common xilinx
 * Remove board specific configuration includes from the common xilinx
   ethernet and iic adapter code.
   ethernet and iic adapter code.
   Patch by Michael Libeskind, 12 Jul 2005
   Patch by Michael Libeskind, 12 Jul 2005

+ 10 - 10
MAKEALL

@@ -43,16 +43,16 @@ LIST_8xx="	\
 	CCM		IP860		NETPHONE	RPXlite_DW	\
 	CCM		IP860		NETPHONE	RPXlite_DW	\
 	cogent_mpc8xx	IVML24		NETTA		RRvision	\
 	cogent_mpc8xx	IVML24		NETTA		RRvision	\
 	ELPT860		IVML24_128	NETTA2		SM850		\
 	ELPT860		IVML24_128	NETTA2		SM850		\
-	ESTEEM192E	IVML24_256	NETTA_ISDN	SPD823TS	\
-	ETX094		IVMS8		NETVIA		svm_sc8xx	\
-	FADS823		IVMS8_128	NETVIA_V2	SXNI855T	\
-	FADS850SAR	IVMS8_256	NX823		TOP860		\
-	FADS860T	KUP4K		pcu_e		TQM823L		\
-	FLAGADM		KUP4X		QS823		TQM823L_LCD	\
-	FPS850L		LANTEC		QS850		TQM850L		\
-	GEN860T		lwmon		QS860T		TQM855L		\
-	GEN860T_SC	MBX		quantum		TQM860L		\
-							uc100		\
+	EP88x		IVML24_256	NETTA_ISDN	SPD823TS	\
+	ESTEEM192E	IVMS8		NETVIA		svm_sc8xx	\
+	ETX094		IVMS8_128	NETVIA_V2	SXNI855T	\
+	FADS823		IVMS8_256	NX823		TOP860		\
+	FADS850SAR	KUP4K		pcu_e		TQM823L		\
+	FADS860T	KUP4X		QS823		TQM823L_LCD	\
+	FLAGADM		LANTEC		QS850		TQM850L		\
+	FPS850L		lwmon		QS860T		TQM855L		\
+	GEN860T		MBX		quantum		TQM860L		\
+	GEN860T_SC					uc100		\
 							v37		\
 							v37		\
 "
 "
 
 

+ 3 - 0
Makefile

@@ -441,6 +441,9 @@ cogent_mpc8xx_config:	unconfig
 ELPT860_config:		unconfig
 ELPT860_config:		unconfig
 	@./mkconfig $(@:_config=) ppc mpc8xx elpt860 LEOX
 	@./mkconfig $(@:_config=) ppc mpc8xx elpt860 LEOX
 
 
+EP88x_config:		unconfig
+	@./mkconfig $(@:_config=) ppc mpc8xx ep88x
+
 ESTEEM192E_config:	unconfig
 ESTEEM192E_config:	unconfig
 	@./mkconfig $(@:_config=) ppc mpc8xx esteem192e
 	@./mkconfig $(@:_config=) ppc mpc8xx esteem192e
 
 

+ 46 - 0
board/ep88x/Makefile

@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	:= $(BOARD).o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################

+ 27 - 0
board/ep88x/config.mk

@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2005 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.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
+#
+
+#
+# Embedded Planet EP88x boards
+#
+TEXT_BASE = 0xFC000000

+ 133 - 0
board/ep88x/ep88x.c

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2005 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * Support for Embedded Planet EP88x boards.
+ * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/*
+ * SDRAM uses two Micron chips.
+ * Minimal CPU frequency is 40MHz.
+ */
+static uint sdram_table[] = {
+	/* Single read	(offset 0x00 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEEC004, 0x01B98404,
+	0x1FF74C00, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Burst read	(offset 0x08 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEEC004, 0x00BDC404,
+	0x00FFCC00, 0x00FFCC00, 0x01FB8C00, 0x1FF74C00,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Single write (offset 0x18 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEE8002, 0x01B90404,
+	0x1FF74C05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Burst write	(offset 0x20 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEE8000, 0x00BD4400,
+	0x00FFCC00, 0x00FFCC02, 0x01FB8C04, 0x1FF74C05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Refresh	(offset 0x30 in UPM RAM) */
+	0xEFFACC04, 0x0FF5CC04, 0x0FFFCC04, 0x1FFFCC04,
+	0xFFFFCC05, 0xFFFFCC05, 0xEFFB8C34, 0x0FF74C34,
+	0x0FFACCB4, 0x0FF5CC34, 0x0FFFC034, 0x0FFFC0B4,
+
+	/* Exception	(offset 0x3C in UPM RAM) */
+	0x0FEA8034, 0x1FB54034,	0xFFFFCC34, 0xFFFFCC05
+};
+
+int board_early_init_f (void)
+{
+	vu_char *bcsr = (vu_char *)CFG_BCSR;
+
+	bcsr[0] |= 0x0C; /* Turn the LEDs off */
+	bcsr[2] |= 0x08; /* Enable flash WE# line - necessary for
+			    flash detection by CFI driver
+			 */
+
+#if defined(CONFIG_8xx_CONS_SMC1)
+	bcsr[6] |= 0x10; /* Enables RS-232 transceiver */
+#endif
+#if defined(CONFIG_8xx_CONS_SCC2)
+	bcsr[7] |= 0x10; /* Enables RS-232 transceiver */
+#endif
+#ifdef CONFIG_ETHER_ON_FEC1
+	bcsr[8] |= 0xC0; /* Enable Ethernet 1 PHY */
+#endif
+#ifdef CONFIG_ETHER_ON_FEC2
+	bcsr[8] |= 0x30; /* Enable Ethernet 2 PHY */
+#endif
+
+	return 0;
+}
+
+long int initdram (int board_type)
+{
+	long int msize;
+	volatile immap_t     *immap  = (volatile immap_t *)CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint));
+
+	/* Configure SDRAM refresh */
+	memctl->memc_mptpr = MPTPR_PTP_DIV2; /* BRGCLK/2 */
+
+	memctl->memc_mamr = (65 << 24) | CFG_MAMR; /* No refresh */
+	udelay(100);
+
+	/* Run MRS pattern from location 0x36 */
+	memctl->memc_mar = 0x88;
+	memctl->memc_mcr = 0x80002236;
+	udelay(100);
+
+	memctl->memc_mamr |=  MAMR_PTAE; /* Enable refresh */
+	memctl->memc_or1   = ~(CFG_SDRAM_MAX_SIZE - 1) | OR_CSNT_SAM;
+	memctl->memc_br1   =  CFG_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V;
+
+	msize = get_ram_size(CFG_SDRAM_BASE, CFG_SDRAM_MAX_SIZE);
+	memctl->memc_or1  |= ~(msize - 1);
+
+	return msize;
+}
+
+int checkboard( void )
+{
+	vu_char *bcsr = (vu_char *)CFG_BCSR;
+
+	puts("Board: ");
+	switch (bcsr[15]) {
+	case 0xE7:
+		puts("EP88xC 1.0");
+		break;
+	default:
+		printf("unknown ID=%02X", bcsr[15]);
+	}
+	printf("  CPLD revision %d\n", bcsr[14]);
+
+	return 0;
+}

+ 122 - 0
board/ep88x/u-boot.lds

@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2001-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Modified by Yuli Barcohen <yuli@arabellasw.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
+ */
+
+OUTPUT_ARCH(powerpc)
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp        : { *(.interp)		}
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)	}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)	}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)	}
+  .rela.got      : { *(.rela.got)	}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)	}
+  .rela.bss      : { *(.rela.bss)	}
+  .rel.plt       : { *(.rel.plt)	}
+  .rela.plt      : { *(.rela.plt)	}
+  .init          : { *(.init)		}
+  .plt           : { *(.plt)		}
+  .text          :
+  {
+    cpu/mpc8xx/start.o	(.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+    . = ALIGN(16);
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x0FFF) & 0xFFFFF000;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(4096);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(4096);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
+ENTRY(_start)

+ 205 - 0
include/configs/EP88x.h

@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2005 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * Support for Embedded Planet EP88x boards.
+ * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
+ *
+ * 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
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_MPC885
+
+#define CONFIG_EP88X				/* Embedded Planet EP88x board	*/
+
+#define CONFIG_BOARD_EARLY_INIT_F		/* Call board_early_init_f	*/
+
+/* Allow serial number (serial#) and MAC address (ethaddr) to be overwritten */
+#define CONFIG_ENV_OVERWRITE
+
+#define	CONFIG_8xx_CONS_SMC1	1		/* Console is on SMC1		*/
+#define CONFIG_BAUDRATE		38400
+
+#define	CONFIG_ETHER_ON_FEC1			/* Enable Ethernet on FEC1	*/
+#define	CONFIG_ETHER_ON_FEC2			/* Enable Ethernet on FEC2	*/
+#if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2)
+#define CFG_DISCOVER_PHY
+#define FEC_ENET
+#endif /* CONFIG_FEC_ENET */
+
+#define CONFIG_8xx_OSCLK		10000000 /* 10 MHz oscillator on EXTCLK */
+#define CONFIG_8xx_CPUCLK_DEFAULT	100000000
+#define CFG_8xx_CPUCLK_MIN		40000000
+#define CFG_8xx_CPUCLK_MAX		133000000
+
+#define CONFIG_COMMANDS		(CONFIG_CMD_DFL  \
+				| CFG_CMD_DHCP   \
+				| CFG_CMD_IMMAP  \
+				| CFG_CMD_MII    \
+				| CFG_CMD_PING   \
+				)
+
+/* This must be included AFTER the definition of CONFIG_COMMANDS */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY	5		/* Autoboot after 5 seconds	*/
+#define CONFIG_BOOTCOMMAND	"bootm fe060000"	/* Autoboot command	*/
+#define CONFIG_BOOTARGS		"root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)"
+
+#define CONFIG_BZIP2		/* Include support for bzip2 compressed images  */
+#undef	CONFIG_WATCHDOG		/* Disable platform specific watchdog		*/
+
+/*-----------------------------------------------------------------------
+ * Miscellaneous configurable options
+ */
+#define CFG_PROMPT		"=> "		/* Monitor Command Prompt	*/
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2	"> "
+#define CFG_LONGHELP				/* #undef to save memory	*/
+#define CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
+#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_LOAD_ADDR		0x400000	/* Default load address		*/
+
+#define CFG_HZ			1000		/* Decrementer freq: 1 ms ticks	*/
+
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * RAM configuration (note that CFG_SDRAM_BASE must be zero)
+ */
+#define CFG_SDRAM_BASE		0x00000000
+#define CFG_SDRAM_MAX_SIZE	0x08000000	/* Up to 128 Mbyte		*/
+
+#define CFG_MAMR		0x00805000
+
+/*
+ * 4096	Up to 4096 SDRAM rows
+ * 1000	factor s -> ms
+ * 32	PTP (pre-divider from MPTPR)
+ * 4	Number of refresh cycles per period
+ * 64	Refresh cycle in ms per number of rows
+ */
+#define CFG_PTA_PER_CLK		((4096 * 32 * 1000) / (4 * 64))
+
+#define CFG_MEMTEST_START	0x00100000	/* memtest works on		*/
+#define CFG_MEMTEST_END		0x00500000	/* 1 ... 5 MB in SDRAM		*/
+
+#define CFG_RESET_ADDRESS	0x09900000
+
+/*-----------------------------------------------------------------------
+ * 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 */
+
+#define CFG_MONITOR_BASE	TEXT_BASE
+#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 KB for Monitor   */
+#ifdef CONFIG_BZIP2
+#define CFG_MALLOC_LEN		(4096 << 10)	/* Reserve ~4 MB for malloc()   */
+#else
+#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 KB for malloc()  */
+#endif /* CONFIG_BZIP2 */
+
+/*-----------------------------------------------------------------------
+ * Flash organisation
+ */
+#define CFG_FLASH_BASE		0xFC000000
+#define CFG_FLASH_CFI				/* The flash is CFI compatible  */
+#define CFG_FLASH_CFI_DRIVER			/* Use common CFI driver        */
+#define CFG_MAX_FLASH_BANKS	1		/* Max number of flash banks	*/
+#define CFG_MAX_FLASH_SECT	512		/* Max num of sects on one chip */
+
+/* Environment is in flash */
+#define CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE	0x20000 	/* We use one complete sector	*/
+#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+
+#define CFG_OR0_PRELIM		0xFC000160
+#define CFG_BR0_PRELIM		(CFG_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V)
+
+#define	CFG_DIRECT_FLASH_TFTP
+
+/*-----------------------------------------------------------------------
+ * BCSR
+ */
+#define CFG_OR3_PRELIM		0xFF0005B0
+#define CFG_BR3_PRELIM		(0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V)
+
+#define CFG_BCSR		0xFA400000
+
+/*-----------------------------------------------------------------------
+ * Internal Memory Map Register
+ */
+#define CFG_IMMR		0xF0000000
+
+/*-----------------------------------------------------------------------
+ * 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	128  /* 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
+
+/*-----------------------------------------------------------------------
+ * Configuration registers
+ */
+#ifdef 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 */
+
+#define CFG_SIUMCR		(SIUMCR_MLRC01 | SIUMCR_DBGC11)
+
+/* TBSCR - Time Base Status and Control Register */
+#define CFG_TBSCR		(TBSCR_TBF | TBSCR_TBE)
+
+/* PISCR - Periodic Interrupt Status and Control */
+#define CFG_PISCR       	PISCR_PS
+
+/* SCCR - System Clock and reset Control Register */
+#define SCCR_MASK       	SCCR_EBDF11
+#define CFG_SCCR		SCCR_RTSEL
+
+#define CFG_DER         	0
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx chips			*/
+
+/*-----------------------------------------------------------------------
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from flash	*/
+#define BOOTFLAG_WARM		0x02	/* Software reboot			*/
+
+#endif /* __CONFIG_H */