Add support for Freescale M5271: Merge with /work/u-boot.mcf5271

22 files changed, 872 insertions, 11 deletions

diff --git a/CHANGELOG b/CHANGELOG
index c479e5da5b..7483fa605c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -469,6 +469,15 @@ Changes since U-Boot 1.1.4:
   PMC405 and CPCI2DP: Added firmware download and booting via pci.
   Patch by Matthias Fuchs, 20 Dec 2005
 
+* Add ColdFire targets to MAKEALL script
+  Patch by Zachary Landau, 26 Jan 2006
+
+* Add support for r5200 board
+  Patch by Zachary Landau, 26 Jan 2006
+
+* Add support for Freescale M5271 processor
+  Patch by Zachary Landau, 26 Jan 2006
+
 * Fix 28F256J3A support on PM520 board
   (without bank-switching only 32 MB can be accessed)
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 0ef9e0349a..93802209d3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -534,6 +534,10 @@ Matthias Fuchs <matthias.fuchs@esd-electronics.com>
 
 	TASREG			MCF5249
 
+Zachary P. Landau <zachary.landau@labxtechnologies.com>
+
+	r5200			mcf52x2
+
 #########################################################################
 # End of MAINTAINERS list						#
 #########################################################################
diff --git a/MAKEALL b/MAKEALL
index 6e620dd9ac..cbc105ba6f 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -273,6 +273,12 @@ LIST_nios2="PCI5441 PK1C20"
 
 LIST_microblaze="suzaku"
 
+#########################################################################
+## ColdFire Systems
+#########################################################################
+
+LIST_coldfire="cobra5272 M5272C3 M5282EVB TASREG r5200"
+
 #-----------------------------------------------------------------------
 
 #----- for now, just run PPC by default -----
@@ -300,7 +306,8 @@ do
 	microblaze| \
 	mips|mips_el| \
 	nios|nios2| \
-	x86|I486)
+	x86|I486| \
+	coldfire)
 			for target in `eval echo '$LIST_'${arg}`
 			do
 				build_target ${target}
diff --git a/Makefile b/Makefile
index 74e94749fc..0470f33bd7 100644
--- a/Makefile
+++ b/Makefile
@@ -1315,6 +1315,9 @@ M5282EVB_config :		unconfig
 TASREG_config :		unconfig
 	@./mkconfig $(@:_config=) m68k mcf52x2 tasreg esd
 
+r5200_config :		unconfig
+	@./mkconfig $(@:_config=) m68k mcf52x2 r5200
+
 #########################################################################
 ## MPC83xx Systems
 #########################################################################
diff --git a/board/r5200/Makefile b/board/r5200/Makefile
new file mode 100644
index 0000000000..d0364ed85f
--- /dev/null
+++ b/board/r5200/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/r5200/config.mk b/board/r5200/config.mk
new file mode 100644
index 0000000000..8fc5319798
--- /dev/null
+++ b/board/r5200/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
+#
+
+TEXT_BASE = 0x10000000
diff --git a/board/r5200/r5200.c b/board/r5200/r5200.c
new file mode 100644
index 0000000000..e51ad252f3
--- /dev/null
+++ b/board/r5200/r5200.c
@@ -0,0 +1,125 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+#include <common.h>
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+
+
+int checkboard (void) {
+	puts ("Board: R5200 Ethernet Module\n");
+	return 0;
+};
+
+long int initdram (int board_type) {
+	int i;
+
+	/*
+	 *  Set CS2 pin to be SD_CS0
+	 */
+	mbar_writeByte(MCF_GPIO_PAR_CS, mbar_readByte(MCF_GPIO_PAR_CS)
+			| MCF_GPIO_PAR_CS_PAR_CS2);
+
+	mbar_writeByte(MCF_GPIO_PAR_SDRAM, mbar_readByte(MCF_GPIO_PAR_SDRAM)
+			| MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(0x01));
+
+	/*
+	 * Check to see if the SDRAM has already been initialized
+	 * by a run control tool
+	 */
+	if (!(mbar_readLong(MCF_SDRAMC_DACR0) & MCF_SDRAMC_DACRn_RE))
+	{
+		/*
+		 * Initialize DRAM Control Register: DCR
+		 */
+		mbar_writeShort(MCF_SDRAMC_DCR, MCF_SDRAMC_DCR_RTIM(0x01)
+				| MCF_SDRAMC_DCR_RC(0x30));
+
+		/*
+		 * Initialize DACR0
+		 */
+		mbar_writeLong(MCF_SDRAMC_DACR0,
+				MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18)
+				| MCF_SDRAMC_DACRn_CASL(0)
+				| MCF_SDRAMC_DACRn_CBM(3)
+				| MCF_SDRAMC_DACRn_PS(2));
+
+		/*
+		 * Initialize DMR0
+		 */
+		mbar_writeLong(MCF_SDRAMC_DMR0, 
+				MCF_SDRAMC_DMRn_BAM_8M
+				| MCF_SDRAMC_DMRn_V);
+
+		/*
+		 * Set IP bit in DACR
+		 */
+		mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+				| MCF_SDRAMC_DACRn_IP);
+
+		/*
+		 * Wait at least 20ns to allow banks to precharge
+		 */
+		for (i = 0; i < 5; i++)
+			asm(" nop");
+
+		/*
+		 * Write to this block to initiate precharge
+		 */
+		*(u16 *)(CFG_SDRAM_BASE) = 0x9696;
+
+		/*
+		 * Set RE bit in DACR
+		 */
+		mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+				| MCF_SDRAMC_DACRn_RE);
+
+
+		/*
+		 * Wait for at least 8 auto refresh cycles to occur
+		 */
+		for (i = 0; i < 2000; i++)
+			asm(" nop");
+
+		/*
+		 * Finish the configuration by issuing the MRS.
+		 */
+		mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+				| MCF_SDRAMC_DACRn_MRS);
+
+
+		/*
+		 * Write to the SDRAM Mode Register
+		 */
+		*(u16 *)(CFG_SDRAM_BASE + 0x1000) = 0x9696;
+	}
+
+	return CFG_SDRAM_SIZE * 1024 * 1024;
+};
+
+int testdram (void) {
+	/* TODO: XXX XXX XXX */
+	printf ("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/board/r5200/u-boot.lds b/board/r5200/u-boot.lds
new file mode 100644
index 0000000000..f7dc070904
--- /dev/null
+++ b/board/r5200/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mcf52x2/start.o		(.text)
+    lib_m68k/traps.o		(.text)
+    cpu/mcf52x2/interrupts.o	(.text)
+    common/dlmalloc.o		(.text)
+    lib_generic/zlib.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    *(.got)
+    __got_end = .;
+    _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(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   _sbss = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index 32a524f7e7..302832bd43 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -25,6 +25,11 @@
 #include <watchdog.h>
 #include <command.h>
 
+#ifdef  CONFIG_M5271
+#include <asm/immap_5271.h>
+#include <asm/m5271.h>
+#endif
+
 #ifdef	CONFIG_M5272
 #include <asm/immap_5272.h>
 #include <asm/m5272.h>
@@ -38,6 +43,41 @@
 #include <asm/m5249.h>
 #endif
 
+#ifdef	CONFIG_M5271
+int checkcpu (void)
+{
+	puts ("CPU:   MOTOROLA Coldfire MCF5271\n");
+	return 0;
+}
+
+int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+	mbar_writeByte(MCF_RCM_RCR,
+			MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
+	return 0;
+};
+
+#if defined(CONFIG_WATCHDOG)
+void watchdog_reset (void)
+{
+	mbar_writeShort(MCF_WTM_WSR, 0x5555);
+	mbar_writeShort(MCF_WTM_WSR, 0xAAAA);
+}
+
+int watchdog_disable (void)
+{
+	mbar_writeShort(MCF_WTM_WCR, 0);
+	return (0);
+}
+
+int watchdog_init (void)
+{
+	mbar_writeShort(MCF_WTM_WCNTR, CONFIG_WATCHDOG_TIMEOUT);
+	mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);
+	return (0);
+}
+#endif /* #ifdef CONFIG_WATCHDOG */
+
+#endif
 
 #ifdef	CONFIG_M5272
 int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 350c431dba..d33adc2dcb 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -24,6 +24,11 @@
 #include <common.h>
 #include <watchdog.h>
 
+#ifdef	CONFIG_M5271
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+#endif
+
 #ifdef	CONFIG_M5272
 #include <asm/m5272.h>
 #include <asm/immap_5272.h>
@@ -38,6 +43,38 @@
 #include <asm/m5249.h>
 #endif
 
+#if defined(CONFIG_M5271)
+void cpu_init_f (void)
+{
+#ifndef CONFIG_WATCHDOG
+	/* Disable the watchdog if we aren't using it */
+	mbar_writeShort(MCF_WTM_WCR, 0);
+#endif
+
+	/* Set clockspeed to 100MHz */
+	mbar_writeShort(MCF_FMPLL_SYNCR,
+			MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
+	while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK);
+
+	/* Enable UART pins */
+	mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
+                        MCF_GPIO_PAR_UART_U0RXD |
+                        MCF_GPIO_PAR_UART_U1RXD_UART1 |
+                        MCF_GPIO_PAR_UART_U1TXD_UART1);
+
+	/* Enable Ethernet pins */
+	mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C);
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r  (void)
+{
+	return (0);
+}
+#endif
+
 #if defined(CONFIG_M5272)
 /*
  * Breath some life into the CPU...
diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c
index a5c50af63c..f207dd6acb 100644
--- a/cpu/mcf52x2/fec.c
+++ b/cpu/mcf52x2/fec.c
@@ -25,6 +25,11 @@
 #include <malloc.h>
 #include <asm/fec.h>
 
+#ifdef  CONFIG_M5271
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+#endif
+
 #ifdef	CONFIG_M5272
 #include <asm/m5272.h>
 #include <asm/immap_5272.h>
@@ -41,7 +46,7 @@
 #ifdef	CONFIG_M5272
 #define FEC_ADDR		(CFG_MBAR + 0x840)
 #endif
-#ifdef CONFIG_M5282
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 #define FEC_ADDR 		(CFG_MBAR + 0x1000)
 #endif
 
@@ -240,10 +245,22 @@ int eth_init (bd_t * bd)
 #endif
 #undef ea
 
+#ifdef CONFIG_M5271
+	/* Clear multicast address hash table
+	 */
+	fecp->fec_ghash_table_high = 0;
+	fecp->fec_ghash_table_low = 0;
+
+	/* Clear individual address hash table
+	 */
+	fecp->fec_ihash_table_high = 0;
+	fecp->fec_ihash_table_low = 0;
+#else
 	/* Clear multicast address hash table
 	 */
 	fecp->fec_hash_table_high = 0;
 	fecp->fec_hash_table_low = 0;
+#endif
 
 	/* Set maximum receive buffer size.
 	 */
@@ -295,6 +312,9 @@ int eth_init (bd_t * bd)
 	fecp->fec_x_cntrl = FEC_TCNTRL_FDEN;
 #else  /* Half duplex mode */
 	fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT;
+#ifdef	CONFIG_M5271
+	fecp->fec_r_cntrl |= (PKT_MAXBUF_SIZE << 16); /* set max frame length */
+#endif
 	fecp->fec_x_cntrl = 0;
 #endif
 	/* Set MII speed */
diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c
index 868df39194..116747ad3a 100644
--- a/cpu/mcf52x2/interrupts.c
+++ b/cpu/mcf52x2/interrupts.c
@@ -27,6 +27,11 @@
 #include <watchdog.h>
 #include <asm/processor.h>
 
+#ifdef	CONFIG_M5271
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+#endif
+
 #ifdef	CONFIG_M5272
 #include <asm/m5272.h>
 #include <asm/immap_5272.h>
@@ -171,7 +176,7 @@ int interrupt_init (void)
 }
 #endif
 
-#ifdef	CONFIG_M5282
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 int interrupt_init (void)
 {
 	return 0;
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
index 79628d03e6..8fbfad47bf 100644
--- a/cpu/mcf52x2/serial.c
+++ b/cpu/mcf52x2/serial.c
@@ -26,6 +26,10 @@
 
 #include <asm/mcfuart.h>
 
+#ifdef CONFIG_M5271
+#include <asm/m5271.h>
+#endif
+
 #ifdef CONFIG_M5272
 #include <asm/m5272.h>
 #endif
@@ -48,7 +52,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 void rs_serial_setbaudrate(int port,int baudrate)
 {
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249)
+#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
 	volatile unsigned char	*uartp;
 	double clock, fraction;
 
@@ -63,8 +67,10 @@ void rs_serial_setbaudrate(int port,int baudrate)
 
 	uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff);  /* set msb baud */
 	uartp[MCFUART_UBG2] = ((int)clock & 0xff);  /* set lsb baud */
+#ifndef CONFIG_M5271
 	uartp[MCFUART_UFPD] = ((int)fraction & 0xf);  /* set baud fraction adjust */
 #endif
+#endif
 };
 
 void rs_serial_init(int port,int baudrate)
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index b4926e2376..8ae9591b8a 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -55,7 +55,11 @@
  */
 _vectors:
 
+#ifndef	CONFIG_M5271
 .long	0x00000000, _START
+#else
+.long	0x00000000, 0x400	/* Flash offset is 0 until we setup CS0 */
+#endif
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
 .long	_FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
@@ -124,26 +128,42 @@ _start:
 	movec	%d0, %RAMBAR0
 #endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */
 
-#ifdef CONFIG_M5282
+#if	defined(CONFIG_M5282) || defined(CONFIG_M5271)
 	/* Initialize IPSBAR */
 	move.l	#(CFG_MBAR + 1), %d0		/* set IPSBAR address + valid flag */
 	move.l	%d0, 0x40000000
 
+#ifdef	CONFIG_M5282
 	/* Initialize FLASHBAR: locate internal Flash and validate it */
 	move.l	#(CFG_INT_FLASH_BASE + 0x21), %d0
 	movec	%d0, %RAMBAR0
+#endif
 
 	/* Initialize RAMBAR1: locate SRAM and validate it */
 	move.l	#(CFG_INIT_RAM_ADDR + 0x21), %d0
 	movec	%d0, %RAMBAR1
+#ifdef	CONFIG_M5271
+	move.l	#(_flash_setup-CFG_FLASH_BASE), %a0
+	move.l	#(_flash_setup_end-CFG_FLASH_BASE), %a1
+	move.l	#(CFG_INIT_RAM_ADDR), %a2
+_copy_flash:
+	move.l	(%a0)+, (%a2)+
+	cmp.l	%a0, %a1
+	bgt.s	_copy_flash
+#endif
+
+	jmp	CFG_INIT_RAM_ADDR
+_after_flash_copy:
 #endif
 
+#if 0
 	/* invalidate and disable cache */
 	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
 	movec	%d0, %CACR			/* Invalidate cache */
 	move.l	#0, %d0
 	movec	%d0, %ACR0
 	movec	%d0, %ACR1
+#endif
 
 	/* set stackpointer to end of internal ram to get some stackspace for the first c-code */
 	move.l	#(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp
@@ -158,6 +178,18 @@ _start:
 
 /*------------------------------------------------------------------------------*/
 
+#ifdef	CONFIG_M5271
+_flash_setup:
+	move.l	#0x1000, %d0
+	move.w	%d0, 0x40000080
+	move.l	#0x2180, %d0
+	move.w	%d0, 0x4000008A
+	move.l	#0x3f0001, %d0
+	move.l	%d0, 0x40000084
+	jmp	_after_flash_copy.L
+_flash_setup_end:
+#endif
+
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
  *
diff --git a/examples/Makefile b/examples/Makefile
index fee26741d0..b198048973 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -122,7 +122,7 @@ clibdir := $(shell dirname `$(CC) $(CFLAGS) -print-file-name=libc.a`)
 
 CPPFLAGS += -I..
 
-all:	.depend $(OBJS) $(LIB) $(SREC) $(BIN)
+all:	.depend $(OBJS) $(LIB) #$(SREC) $(BIN)
 
 #########################################################################
 $(LIB): .depend $(LIBOBJS)
diff --git a/include/asm-m68k/immap_5271.h b/include/asm-m68k/immap_5271.h
new file mode 100644
index 0000000000..424dc1d1ff
--- /dev/null
+++ b/include/asm-m68k/immap_5271.h
@@ -0,0 +1,98 @@
+/*
+ * MCF5272 Internal Memory Map
+ *
+ * Copyright (c) 2003 Josef Baumgartner <josef.baumgartner@telex.de>
+ *               2006 Zachary P. Landau <zachary.landau@labxtechnologies.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
+ */
+
+#ifndef __IMMAP_5271__
+#define __IMMAP_5271__
+
+/* Interrupt module registers
+*/
+typedef struct int_ctrl {
+	uint	int_icr1;
+	uint	int_icr2;
+	uint	int_icr3;
+	uint	int_icr4;
+	uint	int_isr;
+	uint	int_pitr;
+	uint	int_piwr;
+	uchar	res1[3];
+	uchar	int_pivr;
+} intctrl_t;
+
+/* Timer module registers
+ */
+typedef struct timer_ctrl {
+	ushort	timer_tmr;
+	ushort	res1;
+	ushort	timer_trr;
+	ushort	res2;
+	ushort	timer_tcap;
+	ushort	res3;
+	ushort	timer_tcn;
+	ushort	res4;
+	ushort	timer_ter;
+	uchar	res5[14];
+} timer_t;
+
+ /* Fast ethernet controller registers
+  */
+typedef struct fec {
+	uint    res1;
+	uint    fec_ievent;
+	uint    fec_imask;
+	uint    res2;
+	uint    fec_r_des_active;
+	uint    fec_x_des_active;
+	uint    res3[3];
+	uint    fec_ecntrl;
+	uint    res4[6];
+	uint    fec_mii_data;
+	uint    fec_mii_speed;
+	uint    res5[7];
+	uint    fec_mibc;
+	uint    res6[7];
+	uint    fec_r_cntrl;
+	uint    res7[15];
+	uint    fec_x_cntrl;
+	uint    res8[7];
+	uint    fec_addr_low;
+	uint    fec_addr_high;
+	uint    fec_opd;
+	uint    res9[10];
+	uint    fec_ihash_table_high;
+	uint    fec_ihash_table_low;
+	uint    fec_ghash_table_high;
+	uint    fec_ghash_table_low;
+	uint    res10[7];
+	uint    fec_tfwr;
+	uint    res11;
+	uint    fec_r_bound;
+	uint    fec_r_fstart;
+	uint    res12[11];
+	uint    fec_r_des_start;
+	uint    fec_x_des_start;
+	uint    fec_r_buff_size;
+} fec_t;
+
+#endif /* __IMMAP_5271__ */
diff --git a/include/asm-m68k/m5271.h b/include/asm-m68k/m5271.h
new file mode 100644
index 0000000000..eaa3a486e3
--- /dev/null
+++ b/include/asm-m68k/m5271.h
@@ -0,0 +1,93 @@
+/*
+ * mcf5271.h -- Definitions for Motorola Coldfire 5271
+ *
+ * (C) Copyright 2006, Lab X Technologies <zachary.landau@labxtechnologies.com>
+ * Based on mcf5272sim.h of uCLinux distribution:
+ *      (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com)
+ *      (C) Copyright 2000, Lineo Inc. (www.lineo.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
+ */
+
+
+#ifndef	_MCF5271_H_
+#define	_MCF5271_H_
+
+#define mbar_readLong(x)	*((volatile unsigned long *) (CFG_MBAR + x))
+#define mbar_readShort(x)	*((volatile unsigned short *) (CFG_MBAR + x))
+#define mbar_readByte(x)	*((volatile unsigned char *) (CFG_MBAR + x))
+#define mbar_writeLong(x,y)	*((volatile unsigned long *) (CFG_MBAR + x)) = y
+#define mbar_writeShort(x,y)	*((volatile unsigned short *) (CFG_MBAR + x)) = y
+#define mbar_writeByte(x,y)	*((volatile unsigned char *) (CFG_MBAR + x)) = y
+
+#define MCF_FMPLL_SYNCR				0x120000
+#define MCF_FMPLL_SYNSR				0x120004
+#define MCF_FMPLL_SYNCR_MFD(x)			((x&0x7)<<24)
+#define MCF_FMPLL_SYNCR_RFD(x)			((x&0x7)<<19)
+#define MCF_FMPLL_SYNSR_LOCK			0x8
+
+#define MCF_WTM_WCR				0x140000
+#define MCF_WTM_WCNTR				0x140004
+#define MCF_WTM_WSR				0x140006
+#define MCF_WTM_WCR_EN				0x0001
+
+#define MCF_RCM_RCR				0x110000
+#define MCF_RCM_RCR_FRCRSTOUT			0x40
+#define MCF_RCM_RCR_SOFTRST			0x80
+
+#define MCF_GPIO_PAR_CS				0x100045
+#define MCF_GPIO_PAR_SDRAM			0x100046
+#define MCF_GPIO_PAR_FECI2C			0x100047
+#define MCF_GPIO_PAR_UART			0x100048
+
+#define MCF_GPIO_PAR_CS_PAR_CS2                 (0x04)
+
+#define MCF_GPIO_PAR_UART_U0RTS			(0x0001)
+#define MCF_GPIO_PAR_UART_U0CTS			(0x0002)
+#define MCF_GPIO_PAR_UART_U0TXD			(0x0004)
+#define MCF_GPIO_PAR_UART_U0RXD			(0x0008)
+#define MCF_GPIO_PAR_UART_U1RXD_UART1		(0x0C00)
+#define MCF_GPIO_PAR_UART_U1TXD_UART1		(0x0300)
+
+#define MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(x)        (((x)&0x03)<<6)
+
+#define MCF_SDRAMC_DCR				0x000040
+#define MCF_SDRAMC_DACR0			0x000048
+#define MCF_SDRAMC_DMR0				0x00004C
+
+#define MCF_SDRAMC_DCR_RC(x)			(((x)&0x01FF)<<0)
+#define MCF_SDRAMC_DCR_RTIM(x)			(((x)&0x0003)<<9)
+#define MCF_SDRAMC_DCR_IS			(0x0800)
+#define MCF_SDRAMC_DCR_COC			(0x1000)
+#define MCF_SDRAMC_DCR_NAM			(0x2000)
+
+#define MCF_SDRAMC_DACRn_IP			(0x00000008)
+#define MCF_SDRAMC_DACRn_PS(x)			(((x)&0x00000003)<<4)
+#define MCF_SDRAMC_DACRn_MRS			(0x00000040)
+#define MCF_SDRAMC_DACRn_CBM(x)			(((x)&0x00000007)<<8)
+#define MCF_SDRAMC_DACRn_CASL(x)		(((x)&0x00000003)<<12)
+#define MCF_SDRAMC_DACRn_RE			(0x00008000)
+#define MCF_SDRAMC_DACRn_BA(x)			(((x)&0x00003FFF)<<18)
+
+#define MCF_SDRAMC_DMRn_BAM_8M			(0x007C0000)
+#define MCF_SDRAMC_DMRn_V			(0x00000001)
+
+#define MCFSIM_ICR1				(0x000C41)
+
+#endif	/* _MCF5271_H_ */
diff --git a/include/asm-m68k/mcftimer.h b/include/asm-m68k/mcftimer.h
index 047950b5a5..a73b80eaf8 100644
--- a/include/asm-m68k/mcftimer.h
+++ b/include/asm-m68k/mcftimer.h
@@ -45,7 +45,7 @@
 #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
 #define MCFTIMER_BASE1		0x140           /* Base address of TIMER1 */
 #define MCFTIMER_BASE2		0x180           /* Base address of TIMER2 */
-#elif defined(CONFIG_M5282)
+#elif defined(CONFIG_M5282) | defined(CONFIG_M5271)
 #define MCFTIMER_BASE1		0x150000        /* Base address of TIMER1 */
 #define MCFTIMER_BASE2		0x160000        /* Base address of TIMER2 */
 #define MCFTIMER_BASE3		0x170000        /* Base address of TIMER4 */
diff --git a/include/asm-m68k/mcfuart.h b/include/asm-m68k/mcfuart.h
index e5082a917b..7c0999d61d 100644
--- a/include/asm-m68k/mcfuart.h
+++ b/include/asm-m68k/mcfuart.h
@@ -46,7 +46,7 @@
 #define	MCFUART_BASE1		0x140		/* Base address of UART1 */
 #define	MCFUART_BASE2		0x180		/* Base address of UART2 */
 #endif
-#elif defined(CONFIG_M5282)
+#elif defined(CONFIG_M5282) || defined(CONFIG_M5271)
 #define MCFUART_BASE1		0x200           /* Base address of UART1 */
 #define MCFUART_BASE2		0x240           /* Base address of UART2 */
 #define MCFUART_BASE3		0x280           /* Base address of UART3 */
diff --git a/include/asm-m68k/ptrace.h b/include/asm-m68k/ptrace.h
index a6d3d74545..75b241883f 100644
--- a/include/asm-m68k/ptrace.h
+++ b/include/asm-m68k/ptrace.h
@@ -43,7 +43,7 @@ struct pt_regs {
 	ulong     a4;
 	ulong     a5;
 	ulong     a6;
-#if defined(CONFIG_M5272) || defined(CONFIG_M5282) || defined(CONFIG_M5249)
+#if defined(CONFIG_M5272) || defined(CONFIG_M5282) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
 	unsigned format :  4; /* frame format specifier */
 	unsigned vector : 12; /* vector offset */
 	unsigned short sr;
diff --git a/include/configs/r5200.h b/include/configs/r5200.h
new file mode 100644
index 0000000000..a17b4abb98
--- /dev/null
+++ b/include/configs/r5200.h
@@ -0,0 +1,168 @@
+/*
+ * Configuation settings for the R5200 board
+ *
+ * (C) Copyright 2006 Lab X Technologies <zachary.landau@labxtechnologies.com>
+ * Based on Motorola MC5272C3 board config
+ * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.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
+ */
+
+#ifndef _R5200_H
+#define _R5200_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_MCF52x2			/* define processor family */
+#define CONFIG_M5271			/* define processor type */
+
+#define FEC_ENET
+#define CONFIG_NET_RETRY_COUNT 5
+
+#define CONFIG_IPADDR 192.168.0.172
+#define CONFIG_SERVERIP 192.168.0.148
+#define CONFIG_ETHADDR 00:06:3b:00:44:55
+
+#define CONFIG_BAUDRATE		19200
+#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+
+#define CONFIG_WATCHDOG
+#define CONFIG_WATCHDOG_TIMEOUT 0xFFFF	/* clock modulus */
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#ifndef CONFIG_MONITOR_IS_IN_RAM
+#define CFG_ENV_OFFSET		0x20000
+#define CFG_ENV_SECT_SIZE	0x20000
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_IS_EMBEDDED	1
+#else
+#define CFG_ENV_ADDR		0xf0020000
+#define CFG_ENV_SECT_SIZE	0x2000
+#define CFG_ENV_IS_IN_FLASH	1
+#endif
+
+#define CONFIG_COMMANDS	 ((CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_NET ) & ~(CFG_CMD_LOADS | CFG_CMD_LOADB))
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/* Note: We only copy one sectors worth of application code from location
+ * 10200000 for speed purposes.  Increase the size if necessary */ 
+#define CONFIG_BOOTCOMMAND	"cp.b 10200000 0 20000; go 400"
+#define	CONFIG_BOOTDELAY	1
+
+#define CFG_PROMPT		"u-boot> "
+#define CFG_LONGHELP				/* undef to save memory		*/
+
+#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_LOAD_ADDR		0x00002000
+
+#define CFG_MEMTEST_START	0x400
+#define CFG_MEMTEST_END		0x380000
+
+#define CFG_HZ			1000000
+#define CFG_CLK			100000000
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+#define CFG_MBAR		0x40000000	/* Register Base Addrs */
+
+#define CFG_ENET_BD_BASE	0x480000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR	0x20000000
+#define CFG_INIT_RAM_END	0x1000	/* End of used area in internal SRAM	*/
+#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_SDRAM_SIZE		8		/* SDRAM size in MB */
+#define CFG_FLASH_BASE		0x10000000
+
+#ifdef	CONFIG_MONITOR_IS_IN_RAM
+#define CFG_MONITOR_BASE	0x20000
+#else
+#define CFG_MONITOR_BASE	(CFG_FLASH_BASE + 0x400)
+#endif
+
+#define CFG_MONITOR_LEN		0x20001
+#define CFG_MALLOC_LEN		(256 << 10)
+#define CFG_BOOTPARAMS_LEN	64*1024
+
+/*
+ * 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	1024	/* max number of sectors on one chip	*/
+#define CFG_FLASH_ERASE_TOUT	1000
+
+#define CFG_FLASH_CFI		1
+#define CFG_FLASH_CFI_DRIVER	1
+#define CFG_FLASH_SIZE		0x800000
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	16
+
+/*-----------------------------------------------------------------------
+ * Memory bank definitions
+ */
+
+/*-----------------------------------------------------------------------
+ * Port configuration
+ */
+#define CFG_FECI2C		0xF0
+
+#endif	/* _R5200_H */
diff --git a/lib_m68k/time.c b/lib_m68k/time.c
index 1d6d29736f..d45e470aeb 100644
--- a/lib_m68k/time.c
+++ b/lib_m68k/time.c
@@ -27,6 +27,11 @@
 
 #include <asm/mcftimer.h>
 
+#ifdef	CONFIG_M5271
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+#endif
+
 #ifdef	CONFIG_M5272
 #include <asm/m5272.h>
 #include <asm/immap_5272.h>
@@ -43,7 +48,7 @@
 
 
 static ulong timestamp;
-#ifdef	CONFIG_M5282
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 static unsigned short lastinc;
 #endif
 
@@ -127,7 +132,7 @@ void set_timer (ulong t)
 }
 #endif
 
-#if defined(CONFIG_M5282)
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
 
 void udelay(unsigned long usec)
 {