[PATCH] Add support for the UC101 board from MAN.

Signed-off-by: Heiko Schocher <hs@denx.de>

11 files changed, 1118 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index d2534ab776..6b1c4793b6 100644
--- a/Makefile
+++ b/Makefile
@@ -597,6 +597,8 @@ TQM5200_STK100_config:	unconfig
 		{ echo "TEXT_BASE = 0xFFF00000" >$(obj)board/tqm5200/config.tmp ; \
 		}
 	@$(MKCONFIG) -n $@ -a TQM5200 ppc mpc5xxx tqm5200
+uc101_config:         unconfig
+	@$(MKCONFIG) uc101 ppc mpc5xxx uc101
 
 #########################################################################
 ## MPC8xx Systems
diff --git a/board/uc101/Makefile b/board/uc101/Makefile
new file mode 100644
index 0000000000..ddfd2ef8af
--- /dev/null
+++ b/board/uc101/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2003-2006
+# 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	= $(obj)lib$(BOARD).a
+
+COBJS	:= $(BOARD).o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/uc101/config.mk b/board/uc101/config.mk
new file mode 100644
index 0000000000..51e8e84c5c
--- /dev/null
+++ b/board/uc101/config.mk
@@ -0,0 +1,41 @@
+#
+# (C) Copyright 2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# INKA 4X0 board:
+#
+#	Valid values for TEXT_BASE are:
+#
+#	0xFFE00000   boot high
+#
+#	0x00100000   boot from RAM (for testing only)
+#
+
+ifndef TEXT_BASE
+## Standard: boot high
+TEXT_BASE = 0xFFF00000
+## For testing: boot from RAM
+#TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/uc101/u-boot.lds b/board/uc101/u-boot.lds
new file mode 100644
index 0000000000..123a14c5aa
--- /dev/null
+++ b/board/uc101/u-boot.lds
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2003-2004
+ * 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(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/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/mpc5xxx/start.o          (.text)
+    cpu/mpc5xxx/traps.o          (.text)
+    lib_generic/crc32.o         (.text)
+    lib_ppc/cache.o             (.text)
+    lib_ppc/time.o              (.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o        (.ppcenv)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+    . = ALIGN(16);
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .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 = .);
+}
diff --git a/board/uc101/uc101.c b/board/uc101/uc101.c
new file mode 100644
index 0000000000..90624e5cef
--- /dev/null
+++ b/board/uc101/uc101.c
@@ -0,0 +1,374 @@
+/*
+ * (C) Copyright 2006
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * (C) Copyright 2003-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * (C) Copyright 2004
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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 <mpc5xxx.h>
+#include <pci.h>
+#include <malloc.h>
+
+/* some SIMPLE GPIO Pins */
+#define GPIO_USB_8	(31-12)
+#define GPIO_USB_7	(31-13)
+#define GPIO_USB_6	(31-14)
+#define GPIO_USB_0	(31-15)
+#define GPIO_PSC3_7	(31-18)
+#define GPIO_PSC3_6	(31-19)
+#define GPIO_PSC3_1	(31-22)
+#define GPIO_PSC3_0	(31-23)
+
+/* some simple Interrupt GPIO Pins */
+#define GPIO_PSC3_8	2
+#define GPIO_USB1_9	3
+
+#define GPT_OUT_0	0x00000027
+#define GPT_OUT_1	0x00000037
+#define	GPT_DISABLE	0x00000000	/* GPT pin disabled */
+
+#define GP_SIMP_ENABLE_O(n, v) {pgpio->simple_dvo |= (v << n); \
+				pgpio->simple_ddr |= (1 << n); \
+				pgpio->simple_gpioe |= (1 << n); \
+				}
+
+#define GP_SIMP_ENABLE_I(n) {	pgpio->simple_ddr |= ~(1 << n); \
+				pgpio->simple_gpioe |= (1 << n); \
+				}
+
+#define GP_SIMP_SET_O(n, v)  (pgpio->simple_dvo = v ? \
+				(pgpio->simple_dvo | (1 << n)) : \
+				(pgpio->simple_dvo & ~(1 << n)) )
+				
+#define GP_SIMP_GET_O(n)  ((pgpio->simple_dvo >> n) & 1)
+#define GP_SIMP_GET_I(n)  ((pgpio->simple_ival >> n) & 1)
+
+
+
+#define GP_SINT_SET_O(n, v)  (pgpio->sint_dvo = v ? \
+				(pgpio->sint_dvo | (1 << n)) : \
+				(pgpio->sint_dvo & ~(1 << n)) )
+
+#define GP_SINT_ENABLE_O(n, v) {pgpio->sint_ode &= ~(1 << n); \
+				pgpio->sint_ddr |= (1 << n); \
+				GP_SINT_SET_O(n, v); \
+				pgpio->sint_gpioe |= (1 << n); \
+				}
+
+#define GP_SINT_ENABLE_I(n) {	pgpio->sint_ddr |= ~(1 << n); \
+				pgpio->sint_gpioe |= (1 << n); \
+				}
+
+#define GP_SINT_GET_O(n)  ((pgpio->sint_ival >> n) & 1)
+#define GP_SINT_GET_I(n)  ((pgpio-ntt_ival >> n) & 1)
+
+#define GP_TIMER_ENABLE_O(n, v) ( \
+	((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->emsr = v ? \
+				GPT_OUT_1 : \
+				GPT_OUT_0 )
+
+#define GP_TIMER_SET_O(n, v)	GP_TIMER_ENABLE_O(n, v)
+
+#define GP_TIMER_GET_O(n, v) ( \
+	(((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->emsr & 0x10) >> 4)
+
+#define GP_TIMER_GET_I(n, v) ( \
+	(((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->sr & 0x100) >> 8)
+
+#ifndef CFG_RAMBOOT
+static void sdram_start (int hi_addr)
+{
+	long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+	/* unlock mode register */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* precharge all banks */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+#if SDRAM_DDR
+	/* set mode register: extended mode */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
+	__asm__ volatile ("sync");
+
+	/* set mode register: reset DLL */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
+	__asm__ volatile ("sync");
+#endif
+
+	/* precharge all banks */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* auto refresh */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* set mode register */
+	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+	__asm__ volatile ("sync");
+
+	/* normal operation */
+	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+	__asm__ volatile ("sync");
+}
+#endif
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ *	      use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ *	      is something else than 0x00000000.
+ */
+
+long int initdram (int board_type)
+{
+	ulong dramsize = 0;
+#ifndef CFG_RAMBOOT
+	ulong test1, test2;
+
+	/* setup SDRAM chip selects */
+	*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
+	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
+	__asm__ volatile ("sync");
+
+	/* setup config registers */
+	*(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+	*(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+	__asm__ volatile ("sync");
+
+#if SDRAM_DDR
+	/* set tap delay */
+	*(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
+	__asm__ volatile ("sync");
+#endif
+
+	/* find RAM size using SDRAM CS0 only */
+	sdram_start(0);
+	test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x20000000);
+	sdram_start(1);
+	test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x20000000);
+	if (test1 > test2) {
+		sdram_start(0);
+		dramsize = test1;
+	} else {
+		dramsize = test2;
+	}
+
+	/* memory smaller than 1MB is impossible */
+	if (dramsize < (1 << 20)) {
+		dramsize = 0;
+	}
+
+	/* set SDRAM CS0 size according to the amount of RAM found */
+	if (dramsize > 0) {
+		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
+			__builtin_ffs(dramsize >> 20) - 1;
+	} else {
+		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
+	}
+
+	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
+#else /* CFG_RAMBOOT */
+
+	/* retrieve size of memory connected to SDRAM CS0 */
+	dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
+	if (dramsize >= 0x13) {
+		dramsize = (1 << (dramsize - 0x13)) << 20;
+	} else {
+		dramsize = 0;
+	}
+
+	/* retrieve size of memory connected to SDRAM CS1 */
+	dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
+	if (dramsize2 >= 0x13) {
+		dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
+	} else {
+		dramsize2 = 0;
+	}
+
+#endif /* CFG_RAMBOOT */
+
+/*	return dramsize + dramsize2; */
+	return dramsize;
+}
+
+int checkboard (void)
+{
+	puts ("Board: MAN UC101\n");
+	return 0;
+}
+
+static void init_ports (void)
+{
+	volatile struct mpc5xxx_gpio *pgpio = 
+		(struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	GP_SIMP_ENABLE_I(GPIO_USB_8);	/* HEX Bit 3 */
+	GP_SIMP_ENABLE_I(GPIO_USB_7);	/* HEX Bit 2 */
+	GP_SIMP_ENABLE_I(GPIO_USB_6);	/* HEX Bit 1 */
+	GP_SIMP_ENABLE_I(GPIO_USB_0);	/* HEX Bit 0 */
+	GP_SIMP_ENABLE_I(GPIO_PSC3_0);	/* Switch Menue A */
+	GP_SIMP_ENABLE_I(GPIO_PSC3_1);	/* Switch Menue B */
+	GP_SIMP_ENABLE_I(GPIO_PSC3_6);	/* Switch Cold_Warm */
+	GP_SIMP_ENABLE_I(GPIO_PSC3_7);	/* Switch Restart */
+	GP_SINT_ENABLE_O(GPIO_PSC3_8, 0);	/* LED H2 */
+	GP_SINT_ENABLE_O(GPIO_USB1_9, 0);	/* LED H3 */
+	GP_TIMER_ENABLE_O(4, 0);	/* LED H4 */
+	GP_TIMER_ENABLE_O(5, 0);	/* LED H5 */
+	GP_TIMER_ENABLE_O(3, 0);	/* LED HB */
+	GP_TIMER_ENABLE_O(1, 0);	/* RES_COLDSTART */
+}
+
+#ifdef CONFIG_PREBOOT
+
+static uchar kbd_magic_prefix[]		= "key_magic";
+static uchar kbd_command_prefix[]	= "key_cmd";
+
+struct kbd_data_t {
+	char s1;
+};
+
+struct kbd_data_t* get_keys (struct kbd_data_t *kbd_data)
+{
+	volatile struct mpc5xxx_gpio *pgpio =
+		(struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	kbd_data->s1 = GP_SIMP_GET_I(GPIO_USB_8) << 3 | \
+			GP_SIMP_GET_I(GPIO_USB_7) << 2 | \
+			GP_SIMP_GET_I(GPIO_USB_6) << 1 | \
+			GP_SIMP_GET_I(GPIO_USB_0) << 0;
+	return kbd_data;
+}
+
+static int compare_magic (const struct kbd_data_t *kbd_data, uchar *str)
+{
+	char s1 = str[0];
+
+	if (s1 >= '0' && s1 <= '9')
+		s1 -= '0';
+	else if (s1 >= 'a' && s1 <= 'f')
+		s1 = s1 - 'a' + 10;
+	else if (s1 >= 'A' && s1 <= 'F')
+		s1 = s1 - 'A' + 10;
+	else
+		return -1;
+
+	if (s1 != kbd_data->s1) return -1;
+	return 0;
+}
+
+static uchar *key_match (const struct kbd_data_t *kbd_data)
+{
+	uchar magic[sizeof (kbd_magic_prefix) + 1];
+	uchar *suffix;
+	uchar *kbd_magic_keys;
+
+	/*
+	 * The following string defines the characters that can be appended
+	 * to "key_magic" to form the names of environment variables that
+	 * hold "magic" key codes, i. e. such key codes that can cause
+	 * pre-boot actions. If the string is empty (""), then only
+	 * "key_magic" is checked (old behaviour); the string "125" causes
+	 * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
+	 */
+	if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
+		kbd_magic_keys = "";
+
+	/* loop over all magic keys;
+	 * use '\0' suffix in case of empty string
+	 */
+	for (suffix = kbd_magic_keys; *suffix ||
+		     suffix == kbd_magic_keys; ++suffix) {
+		sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
+
+		if (compare_magic(kbd_data, getenv(magic)) == 0) {
+			uchar cmd_name[sizeof (kbd_command_prefix) + 1];
+			char *cmd;
+
+			sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
+			cmd = getenv (cmd_name);
+
+			return (cmd);
+		}
+	}
+
+	return (NULL);
+}
+
+#endif /* CONFIG_PREBOOT */
+
+int misc_init_r (void)
+{
+	/* Init the I/O ports */
+	init_ports ();
+
+#ifdef CONFIG_PREBOOT
+	struct kbd_data_t kbd_data;
+	/* Decode keys */
+	uchar *str = strdup (key_match (get_keys (&kbd_data)));
+	/* Set or delete definition */
+	setenv ("preboot", str);
+	free (str);
+#endif /* CONFIG_PREBOOT */
+	return 0;
+}
+
+int board_early_init_r (void)
+{
+	*(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+	*(vu_long *)MPC5XXX_BOOTCS_START =
+	*(vu_long *)MPC5XXX_CS0_START = START_REG(CFG_FLASH_BASE);
+	*(vu_long *)MPC5XXX_BOOTCS_STOP =
+	*(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CFG_FLASH_BASE, CFG_FLASH_SIZE);
+	/* Interbus enable it here ?? */
+	*(vu_long *)MPC5XXX_GPT6_ENABLE = GPT_OUT_1;
+	return 0;
+}
+#ifdef	CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void)
+{
+	pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
+{
+	/* Trigger HW Watchdog with TIMER_0 */
+	*(vu_long *)MPC5XXX_GPT0_ENABLE = GPT_OUT_1;
+	*(vu_long *)MPC5XXX_GPT0_ENABLE = GPT_OUT_0;
+}
+#endif
+
diff --git a/cpu/mpc5xxx/cpu_init.c b/cpu/mpc5xxx/cpu_init.c
index b7e00b3e24..7e65821852 100644
--- a/cpu/mpc5xxx/cpu_init.c
+++ b/cpu/mpc5xxx/cpu_init.c
@@ -123,7 +123,7 @@ void cpu_init_f (void)
 #endif
 
 #if defined(CFG_CS7_START) && defined(CFG_CS7_SIZE)
-	*(vu_long *)MPC5XXX_CS7_START = START_REG(CFG_CS5_START);
+	*(vu_long *)MPC5XXX_CS7_START = START_REG(CFG_CS7_START);
 	*(vu_long *)MPC5XXX_CS7_STOP = STOP_REG(CFG_CS7_START, CFG_CS7_SIZE);
 	addecr |= (1 << 27);
 #endif
diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c
index 37fe3e7153..71c1bfab1a 100644
--- a/cpu/mpc5xxx/fec.c
+++ b/cpu/mpc5xxx/fec.c
@@ -376,7 +376,7 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
 
 #if (DEBUG & 0x2)
 	if (fec->xcv_type != SEVENWIRE)
-		mpc5xxx_fec_phydump ();
+		mpc5xxx_fec_phydump (dev->name);
 #endif
 
 	/*
@@ -575,7 +575,7 @@ static void mpc5xxx_fec_halt(struct eth_device *dev)
 
 #if (DEBUG & 0x2)
 	if (fec->xcv_type != SEVENWIRE)
-		mpc5xxx_fec_phydump ();
+		mpc5xxx_fec_phydump (dev->name);
 #endif
 
 	/*
@@ -882,7 +882,8 @@ int mpc5xxx_fec_initialize(bd_t * bis)
     defined(CONFIG_ICECUBE) || defined(CONFIG_INKA4X0)	|| \
     defined(CONFIG_MCC200)  || defined(CONFIG_O2DNT)	|| \
     defined(CONFIG_PM520)   || defined(CONFIG_TOP5200)	|| \
-    defined(CONFIG_TQM5200) || defined(CONFIG_V38B)
+    defined(CONFIG_TQM5200) || defined(CONFIG_V38B)	|| \
+    defined(CONFIG_UC101)
 # ifndef CONFIG_FEC_10MBIT
 	fec->xcv_type = MII100;
 # else
diff --git a/dtt/Makefile b/dtt/Makefile
index 79d4e9f96f..e6cb128f3d 100644
--- a/dtt/Makefile
+++ b/dtt/Makefile
@@ -30,7 +30,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)libdtt.a
 
-COBJS	= lm75.o ds1621.o adm1021.o
+COBJS	= lm75.o ds1621.o adm1021.o lm81.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/dtt/lm81.c b/dtt/lm81.c
new file mode 100644
index 0000000000..2c225f12d7
--- /dev/null
+++ b/dtt/lm81.c
@@ -0,0 +1,147 @@
+/*
+ * (C) Copyright 2006
+ * Heiko Schocher, DENX Software Enginnering <hs@denx.de>
+ *
+ * based on dtt/lm75.c which is ...
+ *
+ * (C) Copyright 2001
+ * Bill Hunter,  Wave 7 Optics, williamhunter@mediaone.net
+ *
+ * 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
+ */
+
+/*
+ * On Semiconductor's LM81 Temperature Sensor
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DTT_LM81
+#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
+	(CFG_EEPROM_PAGE_WRITE_BITS < 1)
+# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than  1 to use CONFIG_DTT_LM81"
+#endif
+
+#include <i2c.h>
+#include <dtt.h>
+
+/*
+ * Device code
+ */
+#define DTT_I2C_DEV_CODE 0x2c			/* ON Semi's LM81 device */
+
+int dtt_read(int sensor, int reg)
+{
+    int dlen = 1;
+    uchar data[2];
+
+    /*
+     * Calculate sensor address and register.
+     */
+    sensor = DTT_I2C_DEV_CODE + (sensor & 0x03); /* calculate address of lm81 */
+
+    /*
+     * Now try to read the register.
+     */
+    if (i2c_read(sensor, reg, 1, data, dlen) != 0)
+	return -1;
+
+    return (int)data[0];
+} /* dtt_read() */
+
+
+int dtt_write(int sensor, int reg, int val)
+{
+    uchar data;
+
+    /*
+     * Calculate sensor address and register.
+     */
+    sensor = DTT_I2C_DEV_CODE + (sensor & 0x03); /* calculate address of lm81 */
+
+    data = (char)(val & 0xff);
+
+    /*
+     * Write value to register.
+     */
+    if (i2c_write(sensor, reg, 1, data, 1) != 0)
+	return 1;
+
+    return 0;
+} /* dtt_write() */
+
+#define DTT_MANU	0x3e
+#define DTT_REV		0x3f
+#define DTT_ADR		0x48
+
+static int _dtt_init(int sensor)
+{
+	int	man;
+	int	adr;
+	int	rev;
+
+	if (dtt_write (sensor, DTT_CONFIG, 0x01) < 0)
+		return 1;
+	man = dtt_read (sensor, DTT_MANU);
+	if (man != 0x01)
+		return 1;
+	adr = dtt_read (sensor, DTT_ADR);
+	if (adr < 0)
+		return 1;
+	rev = dtt_read (sensor, DTT_REV);
+	if (adr < 0)
+		return 1;
+
+	printf ("DTT:   Found LM81@%x Rev: %d\n", adr, rev);
+	/* The LM81 needs 400ms to get the correct values ... */
+	udelay (400000);
+	return 0;
+} /* _dtt_init() */
+
+
+int dtt_init (void)
+{
+    int i;
+    unsigned char sensors[] = CONFIG_DTT_SENSORS;
+    const char *const header = "DTT:   ";
+
+    for (i = 0; i < sizeof(sensors); i++) {
+	if (_dtt_init(sensors[i]) != 0)
+	    printf("%s%d FAILED INIT\n", header, i+1);
+	else
+	    printf("%s%d is %i C\n", header, i+1,
+		   dtt_get_temp(sensors[i]));
+    }
+
+    return (0);
+} /* dtt_init() */
+
+#define TEMP_FROM_REG(temp) \
+   ((temp)<256?((((temp)&0x1fe) >> 1) * 10)      + ((temp) & 1) * 5:  \
+               ((((temp)&0x1fe) >> 1) -255) * 10 - ((temp) & 1) * 5)  \
+
+int dtt_get_temp(int sensor)
+{
+	int val = dtt_read (sensor, DTT_READ_TEMP);
+	int tmpcnf = dtt_read (sensor, DTT_CONFIG_TEMP);
+
+	return (TEMP_FROM_REG((val << 1) + ((tmpcnf & 0x80) >> 7))) / 10;
+} /* dtt_get_temp() */
+
+#endif /* CONFIG_DTT_LM81 */
diff --git a/include/configs/uc101.h b/include/configs/uc101.h
new file mode 100644
index 0000000000..8cd8e9be70
--- /dev/null
+++ b/include/configs/uc101.h
@@ -0,0 +1,353 @@
+/*
+ * (C) Copyright 2003-2006
+ * Heiko Schocher, DENX Software Engineering, hs@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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU		*/
+#define CONFIG_MPC5200		1	/* (more precisely an MPC5200 CPU)	*/
+#define CONFIG_UC101		1	/* UC101 board			*/
+
+#define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz		*/
+
+#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM		0x02	/* Software reboot			*/
+
+#define CFG_CACHELINE_SIZE	32	/* For MPC5xxx CPUs			*/
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
+#endif
+
+#define CONFIG_BOARD_EARLY_INIT_R
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE	1	/* console is on PSC1	*/
+#define CONFIG_BAUDRATE		115200	/* ... at 115200 bps	*/
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
+
+/* Partitions */
+#define CONFIG_DOS_PARTITION
+
+/*
+ * Supported commands
+ */
+#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
+				CFG_CMD_DATE	| \
+				CFG_CMD_DISPLAY	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_PING	| \
+				CFG_CMD_EEPROM	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_DTT	| \
+				CFG_CMD_IDE	| \
+				CFG_CMD_FAT	| \
+				CFG_CMD_NFS	| \
+				CFG_CMD_MII	| \
+				CFG_CMD_SNTP	)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define	CONFIG_TIMESTAMP	1	/* Print image info with timestamp */
+
+#if (TEXT_BASE == 0xFFF00000) /* Boot low */
+#   define CFG_LOWBOOT		1
+#endif
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */
+
+#define CONFIG_PREBOOT	"echo;" \
+	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+	"echo"
+
+#undef	CONFIG_BOOTARGS
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=${serverip}:${rootpath}\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"addwdt=setenv bootargs ${bootargs} wdt=off"			\
+	"addip=setenv bootargs ${bootargs} "				\
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
+		":${hostname}:${netdev}:off panic=1\0"			\
+	"flash_nfs=run nfsargs addip;"					\
+		"bootm ${kernel_addr}\0"				\
+	"net_nfs=tftp 300000 ${bootfile};run nfsargs addip addwdt;bootm\0" \
+	"rootpath=/opt/eldk/ppc_82xx\0"					\
+	""
+
+#define CONFIG_BOOTCOMMAND	"run net_nfs"
+
+#define CONFIG_MISC_INIT_R	1
+
+/*
+ * IPB Bus clocking configuration.
+ */
+#define CFG_IPBSPEED_133		/* define for 133MHz speed */
+
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C		1	/* I2C with hardware support */
+#define CFG_I2C_MODULE		2	/* Select I2C module #1 or #2 */
+
+#define CFG_I2C_SPEED		100000 /* 100 kHz */
+#define CFG_I2C_SLAVE		0x7F
+
+/*
+ * EEPROM configuration
+ */
+#define CFG_I2C_EEPROM_ADDR		0x58
+#define CFG_I2C_EEPROM_ADDR_LEN		1
+#define CFG_EEPROM_PAGE_WRITE_BITS	4
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10
+/* for LM81 */
+#define CFG_EEPROM_PAGE_WRITE_ENABLE
+
+/*
+ * RTC configuration
+ */
+#define CONFIG_RTC_PCF8563
+#define CFG_I2C_RTC_ADDR		0x51
+
+/* I2C SYSMON (LM75) */
+#define CONFIG_DTT_LM81			1	/* ON Semi's LM75		*/
+#define CONFIG_DTT_SENSORS		{0}	/* Sensor addresses		*/
+#define CFG_DTT_MAX_TEMP		70
+#define CFG_DTT_LOW_TEMP		-30
+#define CFG_DTT_HYSTERESIS		3
+
+/*
+ * Flash configuration
+ */
+#define CFG_FLASH_BASE		0xFF800000
+
+#define CFG_FLASH_SIZE		0x00800000 /* 8 MByte */
+#define CFG_MAX_FLASH_SECT	140	/* max num of sects on one chip */
+
+#define CFG_ENV_ADDR		(TEXT_BASE+0x40000) /* second sector */
+#define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
+					   (= chip selects) */
+#define CFG_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)	*/
+
+#define CFG_FLASH_CFI_DRIVER
+#define CFG_FLASH_CFI
+#define CFG_FLASH_EMPTY_INFO
+#define CFG_FLASH_CFI_AMD_RESET
+
+/*
+ * Environment settings
+ */
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_SIZE		0x4000
+#define CFG_ENV_SECT_SIZE	0x10000
+#define CFG_ENV_OFFSET_REDUND   (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
+
+/*
+ * Memory map
+ */
+#define CFG_MBAR		0xF0000000
+#define CFG_DEFAULT_MBAR	0x80000000
+
+#define CFG_SDRAM_BASE		0x00000000
+#define CFG_SRAM_BASE		0x80100000	/* CS 1 */
+#define CFG_DISPLAY_BASE	0x80600000	/* CS 3 */
+#define	CFG_IB_MASTER		0xc0510000	/* CS 6 */
+#define CFG_IB_EPLD		0xc0500000	/* CS 7 */
+
+/* Settings for XLB = 132 MHz */
+#define SDRAM_DDR	 1
+#define SDRAM_MODE      0x018D0000
+#define SDRAM_EMODE     0x40090000
+#define SDRAM_CONTROL   0x714f0f00
+#define SDRAM_CONFIG1   0x73722930
+#define SDRAM_CONFIG2   0x47770000
+#define SDRAM_TAPDELAY  0x10000000
+
+/* SRAM */
+#define SRAM_BASE		CFG_SRAM_BASE	/* SRAM base address	*/
+#define SRAM_LEN		0x1fffff
+#define SRAM_END		(SRAM_BASE + SRAM_LEN)
+
+/* Use ON-Chip SRAM until RAM will be available */
+#define CFG_INIT_RAM_ADDR	MPC5XXX_SRAM
+#ifdef CONFIG_POST
+/* preserve space for the post_word at end of on-chip SRAM */
+#define CFG_INIT_RAM_END	MPC5XXX_SRAM_POST_SIZE
+#else
+#define CFG_INIT_RAM_END	MPC5XXX_SRAM_SIZE
+#endif
+
+
+#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
+
+#define CFG_MONITOR_BASE    TEXT_BASE
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+#   define CFG_RAMBOOT		1
+#endif
+
+#define CFG_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor	*/
+#define CFG_MALLOC_LEN		(512 << 10)	/* Reserve 128 kB for malloc()	*/
+#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC5xxx_FEC	1
+#define CONFIG_PHY_ADDR		0x00
+#define CONFIG_MII		1
+
+/*
+ * GPIO configuration
+ */
+#define CFG_GPS_PORT_CONFIG	0x4d558044
+
+/*use  Hardware WDT */
+#define CONFIG_HW_WATCHDOG
+
+/*
+ * 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	*/
+
+/* Enable an alternate, more extensive memory test */
+#define CFG_ALT_MEMTEST
+
+#define CFG_MEMTEST_START	0x00300000	/* memtest works on */
+#define CFG_MEMTEST_END		0x00f00000	/* 3 ... 15 MB in DRAM	*/
+
+#define CFG_LOAD_ADDR		0x300000	/* default load address */
+
+#define CFG_HZ			1000	/* decrementer freq: 1 ms ticks */
+
+/*
+ * Enable loopw commando. This has only affect, if CFG_CMD_MEM is defined,
+ * which is normally part of the default commands (CFV_CMD_DFL)
+ */
+#define CONFIG_LOOPW
+
+/*
+ * Various low-level settings
+ */
+#if defined(CONFIG_MPC5200)
+#define CFG_HID0_INIT		HID0_ICE | HID0_ICFI
+#define CFG_HID0_FINAL		HID0_ICE
+#else
+#define CFG_HID0_INIT		0
+#define CFG_HID0_FINAL		0
+#endif
+
+#define CFG_BOOTCS_START	CFG_FLASH_BASE
+#define CFG_BOOTCS_SIZE		CFG_FLASH_SIZE
+#define CFG_BOOTCS_CFG		0x00045D00
+#define CFG_CS0_START		CFG_FLASH_BASE
+#define CFG_CS0_SIZE		CFG_FLASH_SIZE
+
+/* 8Mbit SRAM @0x80100000 */
+#define CFG_CS1_START		CFG_SRAM_BASE
+#define CFG_CS1_SIZE		0x00100000
+#define CFG_CS1_CFG		0x21D00
+
+/* Display H1, Status Inputs, EPLD @0x80600000 8 Bit */
+#define CFG_CS3_START		CFG_DISPLAY_BASE
+#define CFG_CS3_SIZE		0x00000100
+#define CFG_CS3_CFG		0x00081802
+
+/* Interbus Master 16 Bit */
+#define CFG_CS6_START		CFG_IB_MASTER
+#define CFG_CS6_SIZE		0x00010000
+#define CFG_CS6_CFG		0x00FF3500
+
+/* Interbus EPLD 8 Bit */
+#define CFG_CS7_START		CFG_IB_EPLD
+#define CFG_CS7_SIZE		0x00010000
+#define CFG_CS7_CFG		0x00081800
+
+#define CFG_CS_BURST		0x00000000
+#define CFG_CS_DEADCYCLE	0x33333333
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff Supports IDE harddisk
+ *-----------------------------------------------------------------------
+ */
+
+#undef  CONFIG_IDE_8xx_PCCARD		/* Use IDE with PC Card	Adapter	*/
+
+#undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
+#undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
+
+#define CFG_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
+#define CFG_IDE_MAXDEVICE	2	/* max. 2 drives per IDE bus	*/
+
+#define CONFIG_IDE_PREINIT	1
+/* #define CONFIG_IDE_RESET	1 beispile siehe tqm5200.c */
+
+#define CFG_ATA_IDE0_OFFSET	0x0000
+
+#define CFG_ATA_BASE_ADDR	MPC5XXX_ATA
+
+/* Offset for data I/O			*/
+#define CFG_ATA_DATA_OFFSET	(0x0060)
+
+/* Offset for normal register accesses	*/
+#define CFG_ATA_REG_OFFSET	(CFG_ATA_DATA_OFFSET)
+
+/* Offset for alternate registers	*/
+#define CFG_ATA_ALT_OFFSET	(0x005C)
+
+/* Interval between registers                                                */
+#define CFG_ATA_STRIDE          4
+
+#define CONFIG_ATAPI            1
+
+/*---------------------------------------------------------------------*/
+/* Display addresses						       */
+/*---------------------------------------------------------------------*/
+#define CFG_DISP_CHR_RAM	(CFG_DISPLAY_BASE + 0x38)
+#define CFG_DISP_CWORD		(CFG_DISPLAY_BASE + 0x30)
+
+#endif /* __CONFIG_H */
diff --git a/include/dtt.h b/include/dtt.h
index a17aa67703..842a761c90 100644
--- a/include/dtt.h
+++ b/include/dtt.h
@@ -29,6 +29,7 @@
 
 #if defined(CONFIG_DTT_LM75) || \
     defined(CONFIG_DTT_DS1621) || \
+    defined(CONFIG_DTT_LM81) || \
     defined(CONFIG_DTT_ADM1021)
 
 #define CONFIG_DTT				/* We have a DTT */
@@ -58,6 +59,14 @@ extern int dtt_get_temp(int sensor);
 #define DTT_TEMP_SET		0x3
 #endif
 
+#if defined(CONFIG_DTT_LM81)
+#define DTT_READ_TEMP		0x27
+#define DTT_CONFIG_TEMP		0x4b
+#define DTT_TEMP_MAX		0x39
+#define DTT_TEMP_HYST		0x3a
+#define DTT_CONFIG		0x40
+#endif
+
 #if defined(CONFIG_DTT_DS1621)
 #define DTT_READ_TEMP		0xAA
 #define DTT_READ_COUNTER	0xA8