drivers/input : move input drivers to drivers/input

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

6 files changed, 2068 insertions, 0 deletions

diff --git a/drivers/input/Makefile b/drivers/input/Makefile
new file mode 100644
index 00000000000..df22cf9c6df
--- /dev/null
+++ b/drivers/input/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2007
+# 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)libinput.a
+
+COBJS-y += i8042.o
+COBJS-y += keyboard.o
+COBJS-y += pc_keyb.o ps2ser.o ps2mult.o
+
+COBJS	:= $(COBJS-y)
+SRCS 	:= $(COBJS:.o=.c)
+OBJS 	:= $(addprefix $(obj),$(COBJS))
+
+all:	$(LIB)
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c
new file mode 100644
index 00000000000..22c2a4e3a02
--- /dev/null
+++ b/drivers/input/i8042.c
@@ -0,0 +1,674 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/* i8042.c - Intel 8042 keyboard driver routines */
+
+/* includes */
+
+#include <common.h>
+
+#ifdef CONFIG_I8042_KBD
+
+#ifdef CONFIG_USE_CPCIDVI
+extern u8  gt_cpcidvi_in8(u32 offset);
+extern void gt_cpcidvi_out8(u32 offset, u8 data);
+
+#define in8(a)	   gt_cpcidvi_in8(a)
+#define out8(a, b) gt_cpcidvi_out8(a,b)
+#endif
+
+#include <i8042.h>
+
+/* defines */
+
+#ifdef CONFIG_CONSOLE_CURSOR
+extern void console_cursor (int state);
+static int blinkCount = CFG_CONSOLE_BLINK_COUNT;
+static int cursor_state = 0;
+#endif
+
+/* locals */
+
+static int  kbd_input	 = -1;		/* no input yet */
+static int  kbd_mapping	 = KBD_US;	/* default US keyboard */
+static int  kbd_flags	 = NORMAL;	/* after reset */
+static int  kbd_state	 = 0;		/* unshift code */
+
+static void kbd_conv_char (unsigned char scan_code);
+static void kbd_led_set (void);
+static void kbd_normal (unsigned char scan_code);
+static void kbd_shift (unsigned char scan_code);
+static void kbd_ctrl (unsigned char scan_code);
+static void kbd_num (unsigned char scan_code);
+static void kbd_caps (unsigned char scan_code);
+static void kbd_scroll (unsigned char scan_code);
+static void kbd_alt (unsigned char scan_code);
+static int  kbd_input_empty (void);
+static int  kbd_reset (void);
+
+static unsigned char kbd_fct_map [144] =
+    { /* kbd_fct_map table for scan code */
+    0,	 AS,   AS,   AS,   AS,	 AS,   AS,   AS, /* scan  0- 7 */
+   AS,	 AS,   AS,   AS,   AS,	 AS,   AS,   AS, /* scan  8- F */
+   AS,	 AS,   AS,   AS,   AS,	 AS,   AS,   AS, /* scan 10-17 */
+   AS,	 AS,   AS,   AS,   AS,	 CN,   AS,   AS, /* scan 18-1F */
+   AS,	 AS,   AS,   AS,   AS,	 AS,   AS,   AS, /* scan 20-27 */
+   AS,	 AS,   SH,   AS,   AS,	 AS,   AS,   AS, /* scan 28-2F */
+   AS,	 AS,   AS,   AS,   AS,	 AS,   SH,   AS, /* scan 30-37 */
+   AS,	 AS,   CP,   0,	   0,	 0,    0,     0, /* scan 38-3F */
+    0,	 0,    0,    0,	   0,	 NM,   ST,   ES, /* scan 40-47 */
+   ES,	 ES,   ES,   ES,   ES,	 ES,   ES,   ES, /* scan 48-4F */
+   ES,	 ES,   ES,   ES,   0,	 0,    AS,    0, /* scan 50-57 */
+    0,	 0,    0,    0,	   0,	 0,    0,     0, /* scan 58-5F */
+    0,	 0,    0,    0,	   0,	 0,    0,     0, /* scan 60-67 */
+    0,	 0,    0,    0,	   0,	 0,    0,     0, /* scan 68-6F */
+   AS,	 0,    0,    AS,   0,	 0,    AS,    0, /* scan 70-77 */
+    0,	 AS,   0,    0,	   0,	 AS,   0,     0, /* scan 78-7F */
+   AS,	 CN,   AS,   AS,   AK,	 ST,   EX,   EX, /* enhanced   */
+   AS,	 EX,   EX,   AS,   EX,	 AS,   EX,   EX	 /* enhanced   */
+    };
+
+static unsigned char kbd_key_map [2][5][144] =
+    {
+    { /* US keyboard */
+    { /* unshift code */
+    0,	0x1b,	'1',   '2',   '3',   '4',   '5',   '6',	   /* scan  0- 7 */
+  '7',	 '8',	'9',   '0',   '-',   '=',  0x08,  '\t',	   /* scan  8- F */
+  'q',	 'w',	'e',   'r',   't',   'y',   'u',   'i',	   /* scan 10-17 */
+  'o',	 'p',	'[',   ']',  '\r',   CN,    'a',   's',	   /* scan 18-1F */
+  'd',	 'f',	'g',   'h',   'j',   'k',   'l',   ';',	   /* scan 20-27 */
+ '\'',	 '`',	SH,   '\\',   'z',   'x',   'c',   'v',	   /* scan 28-2F */
+  'b',	 'n',	'm',   ',',   '.',   '/',   SH,	   '*',	   /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0,	   /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   '7',	   /* scan 40-47 */
+  '8',	 '9',	'-',   '4',   '5',   '6',   '+',   '1',	   /* scan 48-4F */
+  '2',	 '3',	'0',   '.',	0,     0,     0,     0,	   /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A',	   /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,    '@',  'P'	   /* extended */
+    },
+    { /* shift code */
+    0,	0x1b,	'!',   '@',   '#',   '$',   '%',   '^',	   /* scan  0- 7 */
+  '&',	 '*',	'(',   ')',   '_',   '+',  0x08,  '\t',	   /* scan  8- F */
+  'Q',	 'W',	'E',   'R',   'T',   'Y',   'U',   'I',	   /* scan 10-17 */
+  'O',	 'P',	'{',   '}',  '\r',   CN,    'A',   'S',	   /* scan 18-1F */
+  'D',	 'F',	'G',   'H',   'J',   'K',   'L',   ':',	   /* scan 20-27 */
+  '"',	 '~',	SH,    '|',   'Z',   'X',   'C',   'V',	   /* scan 28-2F */
+  'B',	 'N',	'M',   '<',   '>',   '?',   SH,	   '*',	   /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0,	   /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   '7',	   /* scan 40-47 */
+  '8',	 '9',	'-',   '4',   '5',   '6',   '+',   '1',	   /* scan 48-4F */
+  '2',	 '3',	'0',   '.',	0,     0,     0,     0,	   /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A',	   /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,   '@',   'P'	   /* extended */
+    },
+    { /* control code */
+ 0xff,	0x1b,  0xff,  0x00,  0xff,  0xff,  0xff,  0xff,	   /* scan  0- 7 */
+ 0x1e,	0xff,  0xff,  0xff,  0x1f,  0xff,  0xff,  '\t',	   /* scan  8- F */
+ 0x11,	0x17,  0x05,  0x12,  0x14,  0x19,  0x15,  0x09,	   /* scan 10-17 */
+ 0x0f,	0x10,  0x1b,  0x1d,  '\r',   CN,   0x01,  0x13,	   /* scan 18-1F */
+ 0x04,	0x06,  0x07,  0x08,  0x0a,  0x0b,  0x0c,  0xff,	   /* scan 20-27 */
+ 0xff,	0x1c,	SH,   0xff,  0x1a,  0x18,  0x03,  0x16,	   /* scan 28-2F */
+ 0x02,	0x0e,  0x0d,  0xff,  0xff,  0xff,   SH,	  0xff,	   /* scan 30-37 */
+ 0xff,	0xff,	CP,   0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 38-3F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,   NM,    ST,	  0xff,	   /* scan 40-47 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 48-4F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 50-57 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 58-5F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 60-67 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 68-6F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 70-77 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff,	   /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,  0xff,  0xff,	   /* extended */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff	   /* extended */
+    },
+    { /* non numeric code */
+    0,	0x1b,	'1',   '2',   '3',   '4',   '5',   '6',	   /* scan  0- 7 */
+  '7',	 '8',	'9',   '0',   '-',   '=',  0x08,  '\t',	   /* scan  8- F */
+  'q',	 'w',	'e',   'r',   't',   'y',   'u',   'i',	   /* scan 10-17 */
+  'o',	 'p',	'[',   ']',  '\r',   CN,    'a',   's',	   /* scan 18-1F */
+  'd',	 'f',	'g',   'h',   'j',   'k',   'l',   ';',	   /* scan 20-27 */
+ '\'',	 '`',	SH,   '\\',   'z',   'x',   'c',   'v',	   /* scan 28-2F */
+  'b',	 'n',	'm',   ',',   '.',   '/',   SH,	   '*',	   /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0,	   /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   'w',	   /* scan 40-47 */
+  'x',	 'y',	'l',   't',   'u',   'v',   'm',   'q',	   /* scan 48-4F */
+  'r',	 's',	'p',   'n',	0,     0,     0,     0,	   /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0,	   /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A',	   /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,    '@',  'P'	   /* extended */
+    },
+    { /* right alt mode - not used in US keyboard */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan	 0 - 7 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan	 8 - F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 10 -17 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 18 -1F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 20 -27 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 28 -2F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 30 -37 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 38 -3F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 40 -47 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 48 -4F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 50 -57 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 58 -5F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 60 -67 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 68 -6F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 70 -77 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 78 -7F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* extended    */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff	/* extended    */
+    }
+    },
+    { /* german keyboard */
+    { /* unshift code */
+    0,	0x1b,	'1',   '2',   '3',   '4',   '5',   '6', /* scan	 0- 7 */
+  '7',	 '8',	'9',   '0',  0xe1,  '\'',  0x08,  '\t', /* scan	 8- F */
+  'q',	 'w',	'e',   'r',   't',   'z',   'u',   'i', /* scan 10-17 */
+  'o',	 'p',  0x81,   '+',  '\r',   CN,    'a',   's', /* scan 18-1F */
+  'd',	 'f',	'g',   'h',   'j',   'k',   'l',  0x94, /* scan 20-27 */
+ 0x84,	 '^',	SH,    '#',   'y',   'x',   'c',   'v', /* scan 28-2F */
+  'b',	 'n',	'm',   ',',   '.',   '-',   SH,	   '*', /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0, /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   '7', /* scan 40-47 */
+  '8',	 '9',	'-',   '4',   '5',   '6',   '+',   '1', /* scan 48-4F */
+  '2',	 '3',	'0',   ',',	0,     0,   '<',     0, /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A', /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,    '@',  'P'	/* extended */
+    },
+    { /* shift code */
+    0,	0x1b,	'!',   '"',  0x15,   '$',   '%',   '&', /* scan	 0- 7 */
+  '/',	 '(',	')',   '=',   '?',   '`',  0x08,  '\t', /* scan	 8- F */
+  'Q',	 'W',	'E',   'R',   'T',   'Z',   'U',   'I', /* scan 10-17 */
+  'O',	 'P',  0x9a,   '*',  '\r',   CN,    'A',   'S', /* scan 18-1F */
+  'D',	 'F',	'G',   'H',   'J',   'K',   'L',  0x99, /* scan 20-27 */
+ 0x8e,	0xf8,	SH,   '\'',   'Y',   'X',   'C',   'V', /* scan 28-2F */
+  'B',	 'N',	'M',   ';',   ':',   '_',   SH,	   '*', /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0, /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   '7', /* scan 40-47 */
+  '8',	 '9',	'-',   '4',   '5',   '6',   '+',   '1', /* scan 48-4F */
+  '2',	 '3',	'0',   ',',	0,     0,   '>',     0, /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A', /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,   '@',   'P'	/* extended */
+    },
+    { /* control code */
+ 0xff,	0x1b,  0xff,  0x00,  0xff,  0xff,  0xff,  0xff, /* scan	 0- 7 */
+ 0x1e,	0xff,  0xff,  0xff,  0x1f,  0xff,  0xff,  '\t', /* scan	 8- F */
+ 0x11,	0x17,  0x05,  0x12,  0x14,  0x19,  0x15,  0x09, /* scan 10-17 */
+ 0x0f,	0x10,  0x1b,  0x1d,  '\r',   CN,   0x01,  0x13, /* scan 18-1F */
+ 0x04,	0x06,  0x07,  0x08,  0x0a,  0x0b,  0x0c,  0xff, /* scan 20-27 */
+ 0xff,	0x1c,	SH,   0xff,  0x1a,  0x18,  0x03,  0x16, /* scan 28-2F */
+ 0x02,	0x0e,  0x0d,  0xff,  0xff,  0xff,   SH,	  0xff, /* scan 30-37 */
+ 0xff,	0xff,	CP,   0xff,  0xff,  0xff,  0xff,  0xff, /* scan 38-3F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,   NM,    ST,	  0xff, /* scan 40-47 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 48-4F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 50-57 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 58-5F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 60-67 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 68-6F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 70-77 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,  0xff,  0xff, /* extended */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff	/* extended */
+    },
+    { /* non numeric code */
+    0,	0x1b,	'1',   '2',   '3',   '4',   '5',   '6', /* scan	 0- 7 */
+  '7',	 '8',	'9',   '0',  0xe1,  '\'',  0x08,  '\t', /* scan	 8- F */
+  'q',	 'w',	'e',   'r',   't',   'z',   'u',   'i', /* scan 10-17 */
+  'o',	 'p',  0x81,   '+',  '\r',   CN,    'a',   's', /* scan 18-1F */
+  'd',	 'f',	'g',   'h',   'j',   'k',   'l',  0x94, /* scan 20-27 */
+ 0x84,	 '^',	SH,	 0,   'y',   'x',   'c',   'v', /* scan 28-2F */
+  'b',	 'n',	'm',   ',',   '.',   '-',   SH,	   '*', /* scan 30-37 */
+  ' ',	 ' ',	CP,	 0,	0,     0,     0,     0, /* scan 38-3F */
+    0,	   0,	  0,	 0,	0,   NM,    ST,	   'w', /* scan 40-47 */
+  'x',	 'y',	'l',   't',   'u',   'v',   'm',   'q', /* scan 48-4F */
+  'r',	 's',	'p',   'n',	0,     0,   '<',     0, /* scan 50-57 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 58-5F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 60-67 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 68-6F */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 70-77 */
+    0,	   0,	  0,	 0,	0,     0,     0,     0, /* scan 78-7F */
+  '\r',	  CN,	'/',   '*',   ' ',    ST,   'F',   'A', /* extended */
+    0,	 'D',	'C',	 0,   'B',     0,    '@',  'P'	/* extended */
+    },
+    { /* Right alt mode - is used in German keyboard */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan	 0 - 7 */
+  '{',	 '[',	']',   '}',  '\\',  0xff,  0xff,  0xff, /* scan	 8 - F */
+  '@',	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 10 -17 */
+ 0xff,	0xff,  0xff,   '~',  0xff,  0xff,  0xff,  0xff, /* scan 18 -1F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 20 -27 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 28 -2F */
+ 0xff,	0xff,  0xe6,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 30 -37 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 38 -3F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 40 -47 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 48 -4F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,   '|',  0xff, /* scan 50 -57 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 58 -5F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 60 -67 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 68 -6F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 70 -77 */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* scan 78 -7F */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff, /* extended    */
+ 0xff,	0xff,  0xff,  0xff,  0xff,  0xff,  0xff,  0xff	/* extended    */
+    }
+    }
+    };
+
+static unsigned char ext_key_map [] =
+    {
+    0x1c,   /* keypad enter */
+    0x1d,   /* right control */
+    0x35,   /* keypad slash */
+    0x37,   /* print screen */
+    0x38,   /* right alt */
+    0x46,   /* break */
+    0x47,   /* editpad home */
+    0x48,   /* editpad up */
+    0x49,   /* editpad pgup */
+    0x4b,   /* editpad left */
+    0x4d,   /* editpad right */
+    0x4f,   /* editpad end */
+    0x50,   /* editpad dn */
+    0x51,   /* editpad pgdn */
+    0x52,   /* editpad ins */
+    0x53,   /* editpad del */
+    0x00    /* map end */
+    };
+
+/*******************************************************************************
+ *
+ * i8042_kbd_init - reset keyboard and init state flags
+ */
+int i8042_kbd_init (void)
+{
+    int keymap, try;
+    char *penv;
+
+#ifdef CONFIG_USE_CPCIDVI
+    if ((penv = getenv ("console")) != NULL) {
+	    if (strncmp (penv, "serial", 7) == 0) {
+		    return -1;
+	    }
+    }
+#endif
+    /* Init keyboard device (default US layout) */
+    keymap = KBD_US;
+    if ((penv = getenv ("keymap")) != NULL)
+    {
+	if (strncmp (penv, "de", 3) == 0)
+	keymap = KBD_GER;
+    }
+
+    for (try = 0; try < KBD_RESET_TRIES; try++)
+    {
+	if (kbd_reset() == 0)
+	{
+	    kbd_mapping	  = keymap;
+	    kbd_flags	  = NORMAL;
+	    kbd_state	  = 0;
+	    kbd_led_set();
+	    return 0;
+	    }
+    }
+    return -1;
+}
+
+
+/*******************************************************************************
+ *
+ * i8042_tstc - test if keyboard input is available
+ *		option: cursor blinking if called in a loop
+ */
+int i8042_tstc (void)
+{
+    unsigned char scan_code = 0;
+
+#ifdef CONFIG_CONSOLE_CURSOR
+    if (--blinkCount == 0)
+    {
+	cursor_state ^= 1;
+	console_cursor (cursor_state);
+	blinkCount = CFG_CONSOLE_BLINK_COUNT;
+	udelay (10);
+    }
+#endif
+
+    if ((in8 (I8042_STATUS_REG) & 0x01) == 0)
+	return 0;
+    else
+    {
+	scan_code = in8 (I8042_DATA_REG);
+	if (scan_code == 0xfa)
+	    return 0;
+
+	kbd_conv_char(scan_code);
+
+	if (kbd_input != -1)
+	    return 1;
+    }
+    return 0;
+}
+
+
+/*******************************************************************************
+ *
+ * i8042_getc - wait till keyboard input is available
+ *		option: turn on/off cursor while waiting
+ */
+int i8042_getc (void)
+{
+    int ret_chr;
+    unsigned char scan_code;
+
+    while (kbd_input == -1)
+    {
+	while ((in8 (I8042_STATUS_REG) & 0x01) == 0)
+	{
+#ifdef CONFIG_CONSOLE_CURSOR
+	    if (--blinkCount==0)
+	    {
+		cursor_state ^= 1;
+		console_cursor (cursor_state);
+		blinkCount = CFG_CONSOLE_BLINK_COUNT;
+	    }
+	    udelay (10);
+#endif
+	}
+
+	scan_code = in8 (I8042_DATA_REG);
+
+	if (scan_code != 0xfa)
+	kbd_conv_char (scan_code);
+    }
+    ret_chr = kbd_input;
+    kbd_input = -1;
+    return ret_chr;
+}
+
+
+/******************************************************************************/
+
+static void kbd_conv_char (unsigned char scan_code)
+{
+    if (scan_code == 0xe0)
+    {
+	kbd_flags |= EXT;
+	return;
+    }
+
+    /* if high bit of scan_code, set break flag */
+    if (scan_code & 0x80)
+	kbd_flags |=  BRK;
+    else
+	kbd_flags &= ~BRK;
+
+    if ((scan_code == 0xe1) || (kbd_flags & E1))
+    {
+	if (scan_code == 0xe1)
+	{
+	    kbd_flags ^= BRK;	  /* reset the break flag */
+	    kbd_flags ^= E1;	  /* bitwise EXOR with E1 flag */
+	}
+	return;
+    }
+
+    scan_code &= 0x7f;
+
+    if (kbd_flags & EXT)
+    {
+	int i;
+
+	kbd_flags ^= EXT;
+	for (i=0; ext_key_map[i]; i++)
+	{
+	    if (ext_key_map[i] == scan_code)
+	    {
+		scan_code = 0x80 + i;
+		break;
+	    }
+	}
+	/* not found ? */
+	if (!ext_key_map[i])
+	    return;
+    }
+
+    switch (kbd_fct_map [scan_code])
+    {
+    case AS:  kbd_normal (scan_code);
+	break;
+    case SH:  kbd_shift (scan_code);
+	break;
+    case CN:  kbd_ctrl (scan_code);
+	break;
+    case NM:  kbd_num (scan_code);
+	break;
+    case CP:  kbd_caps (scan_code);
+	break;
+    case ST:  kbd_scroll (scan_code);
+	break;
+    case AK:  kbd_alt (scan_code);
+	break;
+    }
+    return;
+}
+
+
+/******************************************************************************/
+
+static void kbd_normal (unsigned char scan_code)
+{
+    unsigned char chr;
+
+    if ((kbd_flags & BRK) == NORMAL)
+    {
+       chr = kbd_key_map [kbd_mapping][kbd_state][scan_code];
+       if ((chr == 0xff) || (chr == 0x00))
+	{
+	    return;
+	}
+
+	/* if caps lock convert upper to lower */
+	if (((kbd_flags & CAPS) == CAPS) && (chr >= 'a' && chr <= 'z'))
+       {
+	   chr -= 'a' - 'A';
+       }
+       kbd_input = chr;
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_shift (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == BRK)
+    {
+	kbd_state = AS;
+	kbd_flags &= (~SHIFT);
+    }
+    else
+    {
+       kbd_state = SH;
+       kbd_flags |= SHIFT;
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_ctrl (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == BRK)
+    {
+       kbd_state = AS;
+       kbd_flags &= (~CTRL);
+    }
+    else
+    {
+       kbd_state = CN;
+       kbd_flags |= CTRL;
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_caps (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == NORMAL)
+    {
+       kbd_flags ^= CAPS;
+       kbd_led_set ();		  /* update keyboard LED */
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_num (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == NORMAL)
+    {
+       kbd_flags ^= NUM;
+       kbd_state = (kbd_flags & NUM) ? AS : NM;
+       kbd_led_set ();		  /* update keyboard LED */
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_scroll (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == NORMAL)
+    {
+	kbd_flags ^= STP;
+	kbd_led_set ();		   /* update keyboard LED */
+	if (kbd_flags & STP)
+	    kbd_input = 0x13;
+	else
+	    kbd_input = 0x11;
+    }
+}
+
+/******************************************************************************/
+
+static void kbd_alt (unsigned char scan_code)
+{
+    if ((kbd_flags & BRK) == BRK)
+    {
+	kbd_state = AS;
+	kbd_flags &= (~ALT);
+    }
+    else
+    {
+	kbd_state = AK;
+	kbd_flags &= ALT;
+    }
+}
+
+
+/******************************************************************************/
+
+static void kbd_led_set (void)
+{
+    kbd_input_empty();
+    out8 (I8042_DATA_REG, 0xed);	/* SET LED command */
+    kbd_input_empty();
+    out8 (I8042_DATA_REG, (kbd_flags & 0x7));	 /* LED bits only */
+}
+
+
+/******************************************************************************/
+
+static int kbd_input_empty (void)
+{
+    int kbdTimeout = KBD_TIMEOUT;
+
+    /* wait for input buf empty */
+    while ((in8 (I8042_STATUS_REG) & 0x02) && kbdTimeout--)
+	udelay(1000);
+
+    return kbdTimeout;
+}
+
+/******************************************************************************/
+
+static int kbd_reset (void)
+{
+    if (kbd_input_empty() == 0)
+	return -1;
+
+    out8 (I8042_DATA_REG, 0xff);
+
+    udelay(250000);
+
+    if (kbd_input_empty() == 0)
+	return -1;
+
+#ifdef CONFIG_USE_CPCIDVI
+    out8 (I8042_COMMAND_REG, 0x60);
+#else
+    out8 (I8042_DATA_REG, 0x60);
+#endif
+
+    if (kbd_input_empty() == 0)
+	return -1;
+
+    out8 (I8042_DATA_REG, 0x45);
+
+
+    if (kbd_input_empty() == 0)
+	return -1;
+
+    out8 (I8042_COMMAND_REG, 0xae);
+
+    if (kbd_input_empty() == 0)
+	return -1;
+
+    return 0;
+}
+
+#endif /* CONFIG_I8042_KBD */
diff --git a/drivers/input/keyboard.c b/drivers/input/keyboard.c
new file mode 100644
index 00000000000..9975202d7a2
--- /dev/null
+++ b/drivers/input/keyboard.c
@@ -0,0 +1,305 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ * All rights reserved.
+ *
+ * Keyboard driver
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#ifdef CONFIG_PS2KBD
+
+#include <devices.h>
+#include <keyboard.h>
+
+#undef KBG_DEBUG
+
+#ifdef KBG_DEBUG
+#define	PRINTF(fmt,args...)	printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+
+#define	DEVNAME			"kbd"
+
+#define	LED_SCR			0x01	/* scroll lock led */
+#define	LED_CAP			0x04	/* caps lock led */
+#define	LED_NUM			0x02	/* num lock led */
+
+#define	KBD_BUFFER_LEN		0x20  /* size of the keyboardbuffer */
+
+#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+int ps2ser_check(void);
+#endif
+
+static volatile char kbd_buffer[KBD_BUFFER_LEN];
+static volatile int in_pointer = 0;
+static volatile int out_pointer = 0;
+
+static unsigned char leds = 0;
+static unsigned char num_lock = 0;
+static unsigned char caps_lock = 0;
+static unsigned char scroll_lock = 0;
+static unsigned char shift = 0;
+static unsigned char ctrl = 0;
+static unsigned char alt = 0;
+static unsigned char e0 = 0;
+
+/******************************************************************
+ * Queue handling
+ ******************************************************************/
+
+/* puts character in the queue and sets up the in and out pointer */
+static void kbd_put_queue(char data)
+{
+	if((in_pointer+1)==KBD_BUFFER_LEN) {
+		if(out_pointer==0) {
+			return; /* buffer full */
+		} else{
+			in_pointer=0;
+		}
+	} else {
+		if((in_pointer+1)==out_pointer)
+			return; /* buffer full */
+		in_pointer++;
+	}
+	kbd_buffer[in_pointer]=data;
+	return;
+}
+
+/* test if a character is in the queue */
+static int kbd_testc(void)
+{
+#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	/* no ISR is used, so received chars must be polled */
+	ps2ser_check();
+#endif
+	if(in_pointer==out_pointer)
+		return(0); /* no data */
+	else
+		return(1);
+}
+
+/* gets the character from the queue */
+static int kbd_getc(void)
+{
+	char c;
+	while(in_pointer==out_pointer) {
+#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	/* no ISR is used, so received chars must be polled */
+	ps2ser_check();
+#endif
+	;}
+	if((out_pointer+1)==KBD_BUFFER_LEN)
+		out_pointer=0;
+	else
+		out_pointer++;
+	c=kbd_buffer[out_pointer];
+	return (int)c;
+
+}
+
+/* Simple translation table for the keys */
+
+static unsigned char kbd_plain_xlate[] = {
+	0xff,0x1b, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=','\b','\t',	/* 0x00 - 0x0f */
+	 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']','\r',0xff, 'a', 's',	/* 0x10 - 0x1f */
+	 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';','\'', '`',0xff,'\\', 'z', 'x', 'c', 'v',	/* 0x20 - 0x2f */
+	 'b', 'n', 'm', ',', '.', '/',0xff,0xff,0xff, ' ',0xff,0xff,0xff,0xff,0xff,0xff,	/* 0x30 - 0x3f */
+	0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1',	/* 0x40 - 0x4f */
+	 '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,  /* 0x50 - 0x5F */
+	'\r',0xff,0xff
+	};
+
+static unsigned char kbd_shift_xlate[] = {
+	0xff,0x1b, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+','\b','\t',	/* 0x00 - 0x0f */
+	 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}','\r',0xff, 'A', 'S',	/* 0x10 - 0x1f */
+	 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~',0xff, '|', 'Z', 'X', 'C', 'V',	/* 0x20 - 0x2f */
+	 'B', 'N', 'M', '<', '>', '?',0xff,0xff,0xff, ' ',0xff,0xff,0xff,0xff,0xff,0xff,	/* 0x30 - 0x3f */
+	0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1',	/* 0x40 - 0x4f */
+	 '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,  /* 0x50 - 0x5F */
+	'\r',0xff,0xff
+	};
+
+static unsigned char kbd_ctrl_xlate[] = {
+	0xff,0x1b, '1',0x00, '3', '4', '5',0x1E, '7', '8', '9', '0',0x1F, '=','\b','\t',	/* 0x00 - 0x0f */
+	0x11,0x17,0x05,0x12,0x14,0x18,0x15,0x09,0x0f,0x10,0x1b,0x1d,'\n',0xff,0x01,0x13,	/* 0x10 - 0x1f */
+	0x04,0x06,0x08,0x09,0x0a,0x0b,0x0c, ';','\'', '~',0x00,0x1c,0x1a,0x18,0x03,0x16,	/* 0x20 - 0x2f */
+	0x02,0x0e,0x0d, '<', '>', '?',0xff,0xff,0xff,0x00,0xff,0xff,0xff,0xff,0xff,0xff,	/* 0x30 - 0x3f */
+	0xff,0xff,0xff,0xff,0xff,0xff,0xff, '7', '8', '9', '-', '4', '5', '6', '+', '1',	/* 0x40 - 0x4f */
+	 '2', '3', '0', '.',0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,  /* 0x50 - 0x5F */
+	'\r',0xff,0xff
+	};
+
+
+void handle_scancode(unsigned char scancode)
+{
+	unsigned char keycode;
+
+	/*  Convert scancode to keycode */
+	PRINTF("scancode %x\n",scancode);
+	if(scancode==0xe0) {
+		e0=1; /* special charakters */
+		return;
+	}
+	if(e0==1) {
+		e0=0; /* delete flag */
+		if(!(	((scancode&0x7F)==0x38)|| /* the right ctrl key */
+					((scancode&0x7F)==0x1D)|| /* the right alt key */
+					((scancode&0x7F)==0x35)||	/* the right '/' key */
+					((scancode&0x7F)==0x1C) ))  /* the right enter key */
+			/* we swallow unknown e0 codes */
+			return;
+	}
+	/* special cntrl keys */
+	switch(scancode) {
+	case 0x2A:
+	case 0x36: /* shift pressed */
+		shift=1;
+		return; /* do nothing else */
+	case 0xAA:
+	case 0xB6: /* shift released */
+		shift=0;
+		return; /* do nothing else */
+	case 0x38: /* alt pressed */
+		alt=1;
+		return; /* do nothing else */
+	case 0xB8: /* alt released */
+		alt=0;
+		return; /* do nothing else */
+	case 0x1d: /* ctrl pressed */
+		ctrl=1;
+		return; /* do nothing else */
+	case 0x9d: /* ctrl released */
+		ctrl=0;
+		return; /* do nothing else */
+	case 0x46: /* scrollock pressed */
+		scroll_lock=~scroll_lock;
+		if(scroll_lock==0)
+			leds&=~LED_SCR; /* switch LED off */
+		else
+			leds|=LED_SCR; /* switch on LED */
+		pckbd_leds(leds);
+		return; /* do nothing else */
+	case 0x3A: /* capslock pressed */
+		caps_lock=~caps_lock;
+		if(caps_lock==0)
+			leds&=~LED_CAP; /* switch caps_lock off */
+		else
+			leds|=LED_CAP; /* switch on LED */
+		pckbd_leds(leds);
+		return;
+	case 0x45: /* numlock pressed */
+		num_lock=~num_lock;
+		if(num_lock==0)
+			leds&=~LED_NUM; /* switch LED off */
+		else
+			leds|=LED_NUM;  /* switch on LED */
+		pckbd_leds(leds);
+		return;
+	case 0xC6: /* scroll lock released */
+	case 0xC5: /* num lock released */
+	case 0xBA: /* caps lock released */
+		return; /* just swallow */
+	}
+#if 1
+	if((scancode&0x80)==0x80) /* key released */
+		return;
+#else
+	if((scancode&0x80)==0x00) /* key pressed */
+		return;
+	scancode &= ~0x80;
+#endif
+	/* now, decide which table we need */
+	if(scancode > (sizeof(kbd_plain_xlate)/sizeof(kbd_plain_xlate[0]))) { /* scancode not in list */
+		PRINTF("unkown scancode %X\n",scancode);
+		return; /* swallow it */
+	}
+	/* setup plain code first */
+	keycode=kbd_plain_xlate[scancode];
+	if(caps_lock==1) { /* caps_lock is pressed, overwrite plain code */
+		if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */
+			PRINTF("unkown caps-locked scancode %X\n",scancode);
+			return; /* swallow it */
+		}
+		keycode=kbd_shift_xlate[scancode];
+		if(keycode<'A') { /* we only want the alphas capital */
+			keycode=kbd_plain_xlate[scancode];
+		}
+	}
+	if(shift==1) { /* shift overwrites caps_lock */
+		if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */
+			PRINTF("unkown shifted scancode %X\n",scancode);
+			return; /* swallow it */
+		}
+		keycode=kbd_shift_xlate[scancode];
+	}
+	if(ctrl==1) { /* ctrl overwrites caps_lock and shift */
+		if(scancode > (sizeof(kbd_ctrl_xlate)/sizeof(kbd_ctrl_xlate[0]))) { /* scancode not in list */
+			PRINTF("unkown ctrl scancode %X\n",scancode);
+			return; /* swallow it */
+		}
+		keycode=kbd_ctrl_xlate[scancode];
+	}
+	/* check if valid keycode */
+	if(keycode==0xff) {
+		PRINTF("unkown scancode %X\n",scancode);
+		return; /* swallow unknown codes */
+	}
+
+	kbd_put_queue(keycode);
+	PRINTF("%x\n",keycode);
+}
+
+/******************************************************************
+ * Init
+ ******************************************************************/
+
+#ifdef CFG_CONSOLE_OVERWRITE_ROUTINE
+extern int overwrite_console (void);
+#define OVERWRITE_CONSOLE overwrite_console ()
+#else
+#define OVERWRITE_CONSOLE 0
+#endif /* CFG_CONSOLE_OVERWRITE_ROUTINE */
+
+int kbd_init (void)
+{
+	int error;
+  	device_t kbddev ;
+	char *stdinname  = getenv ("stdin");
+
+	if(kbd_init_hw()==-1)
+		return -1;
+  	memset (&kbddev, 0, sizeof(kbddev));
+  	strcpy(kbddev.name, DEVNAME);
+  	kbddev.flags =  DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+  	kbddev.putc = NULL ;
+	kbddev.puts = NULL ;
+	kbddev.getc = kbd_getc ;
+	kbddev.tstc = kbd_testc ;
+
+ 	error = device_register (&kbddev);
+	if(error==0) {
+		/* check if this is the standard input device */
+		if(strcmp(stdinname,DEVNAME)==0) {
+			/* reassign the console */
+			if(OVERWRITE_CONSOLE) {
+				return 1;
+			}
+			error=console_assign(stdin,DEVNAME);
+			if(error==0)
+				return 1;
+			else
+				return error;
+		}
+		return 1;
+	}
+	return error;
+}
+
+#endif /* CONFIG_PS2KBD */
diff --git a/drivers/input/pc_keyb.c b/drivers/input/pc_keyb.c
new file mode 100644
index 00000000000..81d3e989341
--- /dev/null
+++ b/drivers/input/pc_keyb.c
@@ -0,0 +1,256 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ * All rights reserved.
+ *
+ * PS/2 keyboard driver
+ *
+ * Originally from linux source (drivers/char/pc_keyb.c)
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#ifdef CONFIG_PS2KBD
+
+#include <keyboard.h>
+#include <pc_keyb.h>
+
+#undef KBG_DEBUG
+
+#ifdef KBG_DEBUG
+#define	PRINTF(fmt,args...)	printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+
+/*
+ * This reads the keyboard status port, and does the
+ * appropriate action.
+ *
+ */
+static unsigned char handle_kbd_event(void)
+{
+	unsigned char status = kbd_read_status();
+	unsigned int work = 10000;
+
+	while ((--work > 0) && (status & KBD_STAT_OBF)) {
+		unsigned char scancode;
+
+		scancode = kbd_read_input();
+
+		/* Error bytes must be ignored to make the
+		   Synaptics touchpads compaq use work */
+		/* Ignore error bytes */
+		if (!(status & (KBD_STAT_GTO | KBD_STAT_PERR))) {
+			if (status & KBD_STAT_MOUSE_OBF)
+				; /* not supported: handle_mouse_event(scancode); */
+			else
+				handle_scancode(scancode);
+		}
+		status = kbd_read_status();
+	}
+	if (!work)
+		PRINTF("pc_keyb: controller jammed (0x%02X).\n", status);
+	return status;
+}
+
+
+static int kbd_read_data(void)
+{
+	int val;
+	unsigned char status;
+
+	val=-1;
+	status = kbd_read_status();
+	if (status & KBD_STAT_OBF) {
+		val = kbd_read_input();
+		if (status & (KBD_STAT_GTO | KBD_STAT_PERR))
+			val = -2;
+	}
+	return val;
+}
+
+static int kbd_wait_for_input(void)
+{
+	unsigned long timeout;
+	int val;
+
+	timeout = KBD_TIMEOUT;
+	val=kbd_read_data();
+	while(val < 0) {
+		if(timeout--==0)
+			return -1;
+		udelay(1000);
+		val=kbd_read_data();
+	}
+	return val;
+}
+
+
+static int kb_wait(void)
+{
+	unsigned long timeout = KBC_TIMEOUT * 10;
+
+	do {
+		unsigned char status = handle_kbd_event();
+		if (!(status & KBD_STAT_IBF))
+			return 0; /* ok */
+		udelay(1000);
+		timeout--;
+	} while (timeout);
+	return 1;
+}
+
+static void kbd_write_command_w(int data)
+{
+	if(kb_wait())
+		PRINTF("timeout in kbd_write_command_w\n");
+	kbd_write_command(data);
+}
+
+static void kbd_write_output_w(int data)
+{
+	if(kb_wait())
+		PRINTF("timeout in kbd_write_output_w\n");
+	kbd_write_output(data);
+}
+
+static void kbd_send_data(unsigned char data)
+{
+	kbd_write_output_w(data);
+	kbd_wait_for_input();
+}
+
+
+static char * kbd_initialize(void)
+{
+	int status;
+
+	/*
+	 * Test the keyboard interface.
+	 * This seems to be the only way to get it going.
+	 * If the test is successful a x55 is placed in the input buffer.
+	 */
+	kbd_write_command_w(KBD_CCMD_SELF_TEST);
+	if (kbd_wait_for_input() != 0x55)
+		return "Kbd:   failed self test";
+	/*
+	 * Perform a keyboard interface test.  This causes the controller
+	 * to test the keyboard clock and data lines.  The results of the
+	 * test are placed in the input buffer.
+	 */
+	kbd_write_command_w(KBD_CCMD_KBD_TEST);
+	if (kbd_wait_for_input() != 0x00)
+		return "Kbd:   interface failed self test";
+	/*
+	 * Enable the keyboard by allowing the keyboard clock to run.
+	 */
+	kbd_write_command_w(KBD_CCMD_KBD_ENABLE);
+
+	/*
+	 * Reset keyboard. If the read times out
+	 * then the assumption is that no keyboard is
+	 * plugged into the machine.
+	 * This defaults the keyboard to scan-code set 2.
+	 *
+	 * Set up to try again if the keyboard asks for RESEND.
+	 */
+	do {
+		kbd_write_output_w(KBD_CMD_RESET);
+		status = kbd_wait_for_input();
+		if (status == KBD_REPLY_ACK)
+			break;
+		if (status != KBD_REPLY_RESEND) {
+			PRINTF("status: %X\n",status);
+			return "Kbd:   reset failed, no ACK";
+		}
+	} while (1);
+	if (kbd_wait_for_input() != KBD_REPLY_POR)
+		return "Kbd:   reset failed, no POR";
+
+	/*
+	 * Set keyboard controller mode. During this, the keyboard should be
+	 * in the disabled state.
+	 *
+	 * Set up to try again if the keyboard asks for RESEND.
+	 */
+	do {
+		kbd_write_output_w(KBD_CMD_DISABLE);
+		status = kbd_wait_for_input();
+		if (status == KBD_REPLY_ACK)
+			break;
+		if (status != KBD_REPLY_RESEND)
+			return "Kbd:   disable keyboard: no ACK";
+	} while (1);
+
+	kbd_write_command_w(KBD_CCMD_WRITE_MODE);
+	kbd_write_output_w(KBD_MODE_KBD_INT
+			      | KBD_MODE_SYS
+			      | KBD_MODE_DISABLE_MOUSE
+			      | KBD_MODE_KCC);
+
+	/* AMCC powerpc portables need this to use scan-code set 1 -- Cort */
+	kbd_write_command_w(KBD_CCMD_READ_MODE);
+	if (!(kbd_wait_for_input() & KBD_MODE_KCC)) {
+		/*
+		 * If the controller does not support conversion,
+		 * Set the keyboard to scan-code set 1.
+		 */
+		kbd_write_output_w(0xF0);
+		kbd_wait_for_input();
+		kbd_write_output_w(0x01);
+		kbd_wait_for_input();
+	}
+	kbd_write_output_w(KBD_CMD_ENABLE);
+	if (kbd_wait_for_input() != KBD_REPLY_ACK)
+		return "Kbd:   enable keyboard: no ACK";
+
+	/*
+	 * Finally, set the typematic rate to maximum.
+	 */
+	kbd_write_output_w(KBD_CMD_SET_RATE);
+	if (kbd_wait_for_input() != KBD_REPLY_ACK)
+		return "Kbd:   Set rate: no ACK";
+	kbd_write_output_w(0x00);
+	if (kbd_wait_for_input() != KBD_REPLY_ACK)
+		return "Kbd:   Set rate: no ACK";
+	return NULL;
+}
+
+static void kbd_interrupt(void *dev_id)
+{
+	handle_kbd_event();
+}
+
+/******************************************************************
+ * Init
+ ******************************************************************/
+
+int kbd_init_hw(void)
+{
+	char* result;
+
+	kbd_request_region();
+
+	result=kbd_initialize();
+	if (result==NULL) {
+		PRINTF("AT Keyboard initialized\n");
+		kbd_request_irq(kbd_interrupt);
+		return (1);
+	} else {
+		printf("%s\n",result);
+		return (-1);
+	}
+}
+
+void pckbd_leds(unsigned char leds)
+{
+	kbd_send_data(KBD_CMD_SET_LEDS);
+	kbd_send_data(leds);
+}
+
+#endif /* CONFIG_PS2KBD */
diff --git a/drivers/input/ps2mult.c b/drivers/input/ps2mult.c
new file mode 100644
index 00000000000..9515a0fbf54
--- /dev/null
+++ b/drivers/input/ps2mult.c
@@ -0,0 +1,466 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ * All rights reserved.
+ *
+ * PS/2 multiplexer driver
+ *
+ * Originally from linux source (drivers/char/ps2mult.c)
+ *
+ * Uses simple serial driver (ps2ser.c) to access the multiplexer
+ * Used by PS/2 keyboard driver (pc_keyb.c)
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#ifdef CONFIG_PS2MULT
+
+#include <pc_keyb.h>
+#include <asm/atomic.h>
+#include <ps2mult.h>
+
+/* #define DEBUG_MULT */
+/* #define DEBUG_KEYB */
+
+#define KBD_STAT_DEFAULT		(KBD_STAT_SELFTEST | KBD_STAT_UNLOCKED)
+
+#define PRINTF(format, args...)		printf("ps2mult.c: " format, ## args)
+
+#ifdef DEBUG_MULT
+#define PRINTF_MULT(format, args...)	printf("PS2MULT: " format, ## args)
+#else
+#define PRINTF_MULT(format, args...)
+#endif
+
+#ifdef DEBUG_KEYB
+#define PRINTF_KEYB(format, args...)	printf("KEYB: " format, ## args)
+#else
+#define PRINTF_KEYB(format, args...)
+#endif
+
+
+static ulong start_time;
+static int init_done = 0;
+
+static int received_escape = 0;
+static int received_bsync = 0;
+static int received_selector = 0;
+
+static int kbd_command_active = 0;
+static int mouse_command_active = 0;
+static int ctl_command_active = 0;
+
+static u_char command_byte = 0;
+
+static void (*keyb_handler)(void *dev_id);
+
+static u_char ps2mult_buf [PS2BUF_SIZE];
+static atomic_t ps2mult_buf_cnt;
+static int ps2mult_buf_in_idx;
+static int ps2mult_buf_out_idx;
+
+static u_char ps2mult_buf_status [PS2BUF_SIZE];
+
+#ifndef CONFIG_BOARD_EARLY_INIT_R
+#error #define CONFIG_BOARD_EARLY_INIT_R and call ps2mult_early_init() in board_early_init_r()
+#endif
+void ps2mult_early_init (void)
+{
+	start_time = get_timer(0);
+}
+
+static void ps2mult_send_byte(u_char byte, u_char sel)
+{
+	ps2ser_putc(sel);
+
+	if (sel == PS2MULT_KB_SELECTOR) {
+		PRINTF_MULT("0x%02x send KEYBOARD\n", byte);
+		kbd_command_active = 1;
+	} else {
+		PRINTF_MULT("0x%02x send MOUSE\n", byte);
+		mouse_command_active = 1;
+	}
+
+	switch (byte) {
+	case PS2MULT_ESCAPE:
+	case PS2MULT_BSYNC:
+	case PS2MULT_KB_SELECTOR:
+	case PS2MULT_MS_SELECTOR:
+	case PS2MULT_SESSION_START:
+	case PS2MULT_SESSION_END:
+		ps2ser_putc(PS2MULT_ESCAPE);
+		break;
+	default:
+		break;
+	}
+
+	ps2ser_putc(byte);
+}
+
+static void ps2mult_receive_byte(u_char byte, u_char sel)
+{
+	u_char status = KBD_STAT_DEFAULT;
+
+#if 1 /* Ignore mouse in U-Boot */
+	if (sel == PS2MULT_MS_SELECTOR) return;
+#endif
+
+	if (sel == PS2MULT_KB_SELECTOR) {
+		if (kbd_command_active) {
+			if (!received_bsync) {
+				PRINTF_MULT("0x%02x lost KEYBOARD !!!\n", byte);
+				return;
+			} else {
+				kbd_command_active = 0;
+				received_bsync = 0;
+			}
+		}
+		PRINTF_MULT("0x%02x receive KEYBOARD\n", byte);
+		status |= KBD_STAT_IBF | KBD_STAT_OBF;
+	} else {
+		if (mouse_command_active) {
+			if (!received_bsync) {
+				PRINTF_MULT("0x%02x lost MOUSE !!!\n", byte);
+				return;
+			} else {
+				mouse_command_active = 0;
+				received_bsync = 0;
+			}
+		}
+		PRINTF_MULT("0x%02x receive MOUSE\n", byte);
+		status |= KBD_STAT_IBF | KBD_STAT_OBF | KBD_STAT_MOUSE_OBF;
+	}
+
+	if (atomic_read(&ps2mult_buf_cnt) < PS2BUF_SIZE) {
+		ps2mult_buf_status[ps2mult_buf_in_idx] = status;
+		ps2mult_buf[ps2mult_buf_in_idx++] = byte;
+		ps2mult_buf_in_idx &= (PS2BUF_SIZE - 1);
+		atomic_inc(&ps2mult_buf_cnt);
+	} else {
+		PRINTF("buffer overflow\n");
+	}
+
+	if (received_bsync) {
+		PRINTF("unexpected BSYNC\n");
+		received_bsync = 0;
+	}
+}
+
+void ps2mult_callback (int in_cnt)
+{
+	int i;
+	u_char byte;
+	static int keyb_handler_active = 0;
+
+	if (!init_done) {
+		return;
+	}
+
+	for (i = 0; i < in_cnt; i ++) {
+		byte = ps2ser_getc();
+
+		if (received_escape) {
+			ps2mult_receive_byte(byte, received_selector);
+			received_escape = 0;
+		} else switch (byte) {
+		case PS2MULT_ESCAPE:
+			PRINTF_MULT("ESCAPE receive\n");
+			received_escape = 1;
+			break;
+
+		case PS2MULT_BSYNC:
+			PRINTF_MULT("BSYNC receive\n");
+			received_bsync = 1;
+			break;
+
+		case PS2MULT_KB_SELECTOR:
+		case PS2MULT_MS_SELECTOR:
+			PRINTF_MULT("%s receive\n",
+			    byte == PS2MULT_KB_SELECTOR ? "KB_SEL" : "MS_SEL");
+			received_selector = byte;
+			break;
+
+		case PS2MULT_SESSION_START:
+		case PS2MULT_SESSION_END:
+			PRINTF_MULT("%s receive\n",
+			    byte == PS2MULT_SESSION_START ?
+			    "SESSION_START" : "SESSION_END");
+			break;
+
+		default:
+			ps2mult_receive_byte(byte, received_selector);
+		}
+	}
+
+	if (keyb_handler && !keyb_handler_active &&
+	    atomic_read(&ps2mult_buf_cnt)) {
+		keyb_handler_active = 1;
+		keyb_handler(NULL);
+		keyb_handler_active = 0;
+	}
+}
+
+u_char ps2mult_read_status(void)
+{
+	u_char byte;
+
+	if (atomic_read(&ps2mult_buf_cnt) == 0) {
+		ps2ser_check();
+	}
+
+	if (atomic_read(&ps2mult_buf_cnt)) {
+		byte = ps2mult_buf_status[ps2mult_buf_out_idx];
+	} else {
+		byte = KBD_STAT_DEFAULT;
+	}
+	PRINTF_KEYB("read_status()=0x%02x\n", byte);
+	return byte;
+}
+
+u_char ps2mult_read_input(void)
+{
+	u_char byte = 0;
+
+	if (atomic_read(&ps2mult_buf_cnt) == 0) {
+		ps2ser_check();
+	}
+
+	if (atomic_read(&ps2mult_buf_cnt)) {
+		byte = ps2mult_buf[ps2mult_buf_out_idx++];
+		ps2mult_buf_out_idx &= (PS2BUF_SIZE - 1);
+		atomic_dec(&ps2mult_buf_cnt);
+	}
+	PRINTF_KEYB("read_input()=0x%02x\n", byte);
+	return byte;
+}
+
+void ps2mult_write_output(u_char val)
+{
+	int i;
+
+	PRINTF_KEYB("write_output(0x%02x)\n", val);
+
+	for (i = 0; i < KBD_TIMEOUT; i++) {
+		if (!kbd_command_active && !mouse_command_active) {
+			break;
+		}
+		udelay(1000);
+		ps2ser_check();
+	}
+
+	if (kbd_command_active) {
+		PRINTF("keyboard command not acknoledged\n");
+		kbd_command_active = 0;
+	}
+
+	if (mouse_command_active) {
+		PRINTF("mouse command not acknoledged\n");
+		mouse_command_active = 0;
+	}
+
+	if (ctl_command_active) {
+		switch (ctl_command_active) {
+		case KBD_CCMD_WRITE_MODE:
+			  /* Scan code conversion not supported */
+			command_byte = val & ~KBD_MODE_KCC;
+			break;
+
+		case KBD_CCMD_WRITE_AUX_OBUF:
+			ps2mult_receive_byte(val, PS2MULT_MS_SELECTOR);
+			break;
+
+		case KBD_CCMD_WRITE_MOUSE:
+			ps2mult_send_byte(val, PS2MULT_MS_SELECTOR);
+			break;
+
+		default:
+			PRINTF("invalid controller command\n");
+			break;
+		}
+
+		ctl_command_active = 0;
+		return;
+	}
+
+	ps2mult_send_byte(val, PS2MULT_KB_SELECTOR);
+}
+
+void ps2mult_write_command(u_char val)
+{
+	ctl_command_active = 0;
+
+	PRINTF_KEYB("write_command(0x%02x)\n", val);
+
+	switch (val) {
+	case KBD_CCMD_READ_MODE:
+		ps2mult_receive_byte(command_byte, PS2MULT_KB_SELECTOR);
+		break;
+
+	case KBD_CCMD_WRITE_MODE:
+		ctl_command_active = val;
+		break;
+
+	case KBD_CCMD_MOUSE_DISABLE:
+		break;
+
+	case KBD_CCMD_MOUSE_ENABLE:
+		break;
+
+	case KBD_CCMD_SELF_TEST:
+		ps2mult_receive_byte(0x55, PS2MULT_KB_SELECTOR);
+		break;
+
+	case KBD_CCMD_KBD_TEST:
+		ps2mult_receive_byte(0x00, PS2MULT_KB_SELECTOR);
+		break;
+
+	case KBD_CCMD_KBD_DISABLE:
+		break;
+
+	case KBD_CCMD_KBD_ENABLE:
+		break;
+
+	case KBD_CCMD_WRITE_AUX_OBUF:
+		ctl_command_active = val;
+		break;
+
+	case KBD_CCMD_WRITE_MOUSE:
+		ctl_command_active = val;
+		break;
+
+	default:
+		PRINTF("invalid controller command\n");
+		break;
+	}
+}
+
+static int ps2mult_getc_w (void)
+{
+	int res = -1;
+	int i;
+
+	for (i = 0; i < KBD_TIMEOUT; i++) {
+		if (ps2ser_check()) {
+			res = ps2ser_getc();
+			break;
+		}
+		udelay(1000);
+	}
+
+	switch (res) {
+	case PS2MULT_KB_SELECTOR:
+	case PS2MULT_MS_SELECTOR:
+		received_selector = res;
+		break;
+	default:
+		break;
+	}
+
+	return res;
+}
+
+int ps2mult_init (void)
+{
+	int byte;
+	int kbd_found = 0;
+	int mouse_found = 0;
+
+	while (get_timer(start_time) < CONFIG_PS2MULT_DELAY);
+
+	ps2ser_init();
+
+	ps2ser_putc(PS2MULT_SESSION_START);
+
+	ps2ser_putc(PS2MULT_KB_SELECTOR);
+	ps2ser_putc(KBD_CMD_RESET);
+
+	do {
+		byte = ps2mult_getc_w();
+	} while (byte >= 0 && byte != KBD_REPLY_ACK);
+
+	if (byte == KBD_REPLY_ACK) {
+		byte = ps2mult_getc_w();
+		if (byte == 0xaa) {
+			kbd_found = 1;
+			puts("keyboard");
+		}
+	}
+
+	if (!kbd_found) {
+		while (byte >= 0) {
+			byte = ps2mult_getc_w();
+		}
+	}
+
+#if 1 /* detect mouse */
+	ps2ser_putc(PS2MULT_MS_SELECTOR);
+	ps2ser_putc(AUX_RESET);
+
+	do {
+		byte = ps2mult_getc_w();
+	} while (byte >= 0 && byte != AUX_ACK);
+
+	if (byte == AUX_ACK) {
+		byte = ps2mult_getc_w();
+		if (byte == 0xaa) {
+			byte = ps2mult_getc_w();
+			if (byte == 0x00) {
+				mouse_found = 1;
+				puts(", mouse");
+			}
+		}
+	}
+
+	if (!mouse_found) {
+		while (byte >= 0) {
+			byte = ps2mult_getc_w();
+		}
+	}
+#endif
+
+	if (mouse_found || kbd_found) {
+		if (!received_selector) {
+			if (mouse_found) {
+				received_selector = PS2MULT_MS_SELECTOR;
+			} else {
+				received_selector = PS2MULT_KB_SELECTOR;
+			}
+		}
+
+		init_done = 1;
+	} else {
+		puts("No device found");
+	}
+
+	puts("\n");
+
+#if 0 /* for testing */
+	{
+		int i;
+		u_char key[] = {
+			0x1f, 0x12, 0x14, 0x12, 0x31, 0x2f, 0x39,	/* setenv */
+			0x1f, 0x14, 0x20, 0x17, 0x31, 0x39,		/* stdin */
+			0x1f, 0x12, 0x13, 0x17, 0x1e, 0x26, 0x1c,	/* serial */
+		};
+
+		for (i = 0; i < sizeof (key); i++) {
+			ps2mult_receive_byte (key[i],	     PS2MULT_KB_SELECTOR);
+			ps2mult_receive_byte (key[i] | 0x80, PS2MULT_KB_SELECTOR);
+		}
+	}
+#endif
+
+	return init_done ? 0 : -1;
+}
+
+int ps2mult_request_irq(void (*handler)(void *))
+{
+	keyb_handler = handler;
+
+	return 0;
+}
+
+#endif /* CONFIG_PS2MULT */
diff --git a/drivers/input/ps2ser.c b/drivers/input/ps2ser.c
new file mode 100644
index 00000000000..4e304f7407c
--- /dev/null
+++ b/drivers/input/ps2ser.c
@@ -0,0 +1,319 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ * All rights reserved.
+ *
+ * Simple 16550A serial driver
+ *
+ * Originally from linux source (drivers/char/ps2ser.c)
+ *
+ * Used by the PS/2 multiplexer driver (ps2mult.c)
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#ifdef CONFIG_PS2SERIAL
+
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <ps2mult.h>
+#if defined(CFG_NS16550) || defined(CONFIG_MPC85xx)
+#include <ns16550.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* #define	DEBUG */
+
+#define PS2SER_BAUD	57600
+
+#ifdef CONFIG_MPC5xxx
+#if CONFIG_PS2SERIAL == 1
+#define PSC_BASE MPC5XXX_PSC1
+#elif CONFIG_PS2SERIAL == 2
+#define PSC_BASE MPC5XXX_PSC2
+#elif CONFIG_PS2SERIAL == 3
+#define PSC_BASE MPC5XXX_PSC3
+#elif defined(CONFIG_MGT5100)
+#error CONFIG_PS2SERIAL must be in 1, 2 or 3
+#elif CONFIG_PS2SERIAL == 4
+#define PSC_BASE MPC5XXX_PSC4
+#elif CONFIG_PS2SERIAL == 5
+#define PSC_BASE MPC5XXX_PSC5
+#elif CONFIG_PS2SERIAL == 6
+#define PSC_BASE MPC5XXX_PSC6
+#else
+#error CONFIG_PS2SERIAL must be in 1 ... 6
+#endif
+
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+
+#if CONFIG_PS2SERIAL == 1
+#define COM_BASE (CFG_CCSRBAR+0x4500)
+#elif CONFIG_PS2SERIAL == 2
+#define COM_BASE (CFG_CCSRBAR+0x4600)
+#else
+#error CONFIG_PS2SERIAL must be in 1 ... 2
+#endif
+
+#endif /* CONFIG_MPC5xxx / CONFIG_MPC8540 / other */
+
+static int	ps2ser_getc_hw(void);
+static void	ps2ser_interrupt(void *dev_id);
+
+extern struct	serial_state rs_table[]; /* in serial.c */
+#if !defined(CONFIG_MPC5xxx) && !defined(CONFIG_MPC8540) && !defined(CONFIG_MPC8541) && !defined(CONFIG_MPC8555)
+static struct	serial_state *state;
+#endif
+
+static u_char	ps2buf[PS2BUF_SIZE];
+static atomic_t	ps2buf_cnt;
+static int	ps2buf_in_idx;
+static int	ps2buf_out_idx;
+
+#ifdef CONFIG_MPC5xxx
+int ps2ser_init(void)
+{
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+	unsigned long baseclk;
+	int div;
+
+	/* reset PSC */
+	psc->command = PSC_SEL_MODE_REG_1;
+
+	/* select clock sources */
+#if defined(CONFIG_MGT5100)
+	psc->psc_clock_select = 0xdd00;
+	baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32;
+#elif defined(CONFIG_MPC5200)
+	psc->psc_clock_select = 0;
+	baseclk = (gd->ipb_clk + 16) / 32;
+#endif
+
+	/* switch to UART mode */
+	psc->sicr = 0;
+
+	/* configure parity, bit length and so on */
+#if defined(CONFIG_MGT5100)
+	psc->mode = PSC_MODE_ERR | PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+#elif defined(CONFIG_MPC5200)
+	psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+#endif
+	psc->mode = PSC_MODE_ONE_STOP;
+
+	/* set up UART divisor */
+	div = (baseclk + (PS2SER_BAUD/2)) / PS2SER_BAUD;
+	psc->ctur = (div >> 8) & 0xff;
+	psc->ctlr = div & 0xff;
+
+	/* disable all interrupts */
+	psc->psc_imr = 0;
+
+	/* reset and enable Rx/Tx */
+	psc->command = PSC_RST_RX;
+	psc->command = PSC_RST_TX;
+	psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE;
+
+	return (0);
+}
+
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+int ps2ser_init(void)
+{
+	NS16550_t com_port = (NS16550_t)COM_BASE;
+
+	com_port->ier = 0x00;
+	com_port->lcr = LCR_BKSE | LCR_8N1;
+	com_port->dll = (CFG_NS16550_CLK / 16 / PS2SER_BAUD) & 0xff;
+	com_port->dlm = ((CFG_NS16550_CLK / 16 / PS2SER_BAUD) >> 8) & 0xff;
+	com_port->lcr = LCR_8N1;
+	com_port->mcr = (MCR_DTR | MCR_RTS);
+	com_port->fcr = (FCR_FIFO_EN | FCR_RXSR | FCR_TXSR);
+
+	return (0);
+}
+
+#else /* !CONFIG_MPC5xxx && !CONFIG_MPC8540 / other */
+
+static inline unsigned int ps2ser_in(int offset)
+{
+	return readb((unsigned long) state->iomem_base + offset);
+}
+
+static inline void ps2ser_out(int offset, int value)
+{
+	writeb(value, (unsigned long) state->iomem_base + offset);
+}
+
+int ps2ser_init(void)
+{
+	int quot;
+	unsigned cval;
+
+	state = rs_table + CONFIG_PS2SERIAL;
+
+	quot = state->baud_base / PS2SER_BAUD;
+	cval = 0x3; /* 8N1 - 8 data bits, no parity bits, 1 stop bit */
+
+	  /* Set speed, enable interrupts, enable FIFO
+	   */
+	ps2ser_out(UART_LCR, cval | UART_LCR_DLAB);
+	ps2ser_out(UART_DLL, quot & 0xff);
+	ps2ser_out(UART_DLM, quot >> 8);
+	ps2ser_out(UART_LCR, cval);
+	ps2ser_out(UART_IER, UART_IER_RDI);
+	ps2ser_out(UART_MCR, UART_MCR_OUT2 | UART_MCR_DTR | UART_MCR_RTS);
+	ps2ser_out(UART_FCR,
+	    UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT);
+
+	/* If we read 0xff from the LSR, there is no UART here
+	 */
+	if (ps2ser_in(UART_LSR) == 0xff) {
+		printf ("ps2ser.c: no UART found\n");
+		return -1;
+	}
+
+	irq_install_handler(state->irq, ps2ser_interrupt, NULL);
+
+	return 0;
+}
+#endif /* CONFIG_MPC5xxx / CONFIG_MPC8540 / other */
+
+void ps2ser_putc(int chr)
+{
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	NS16550_t com_port = (NS16550_t)COM_BASE;
+#endif
+#ifdef DEBUG
+	printf(">>>> 0x%02x\n", chr);
+#endif
+
+#ifdef CONFIG_MPC5xxx
+	while (!(psc->psc_status & PSC_SR_TXRDY));
+
+	psc->psc_buffer_8 = chr;
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	while ((com_port->lsr & LSR_THRE) == 0);
+	com_port->thr = chr;
+#else
+	while (!(ps2ser_in(UART_LSR) & UART_LSR_THRE));
+
+	ps2ser_out(UART_TX, chr);
+#endif
+}
+
+static int ps2ser_getc_hw(void)
+{
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	NS16550_t com_port = (NS16550_t)COM_BASE;
+#endif
+	int res = -1;
+
+#ifdef CONFIG_MPC5xxx
+	if (psc->psc_status & PSC_SR_RXRDY) {
+		res = (psc->psc_buffer_8);
+	}
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	if (com_port->lsr & LSR_DR) {
+		res = com_port->rbr;
+	}
+#else
+	if (ps2ser_in(UART_LSR) & UART_LSR_DR) {
+		res = (ps2ser_in(UART_RX));
+	}
+#endif
+
+	return res;
+}
+
+int ps2ser_getc(void)
+{
+	volatile int chr;
+	int flags;
+
+#ifdef DEBUG
+	printf("<< ");
+#endif
+
+	flags = disable_interrupts();
+
+	do {
+		if (atomic_read(&ps2buf_cnt) != 0) {
+			chr = ps2buf[ps2buf_out_idx++];
+			ps2buf_out_idx &= (PS2BUF_SIZE - 1);
+			atomic_dec(&ps2buf_cnt);
+		} else {
+			chr = ps2ser_getc_hw();
+		}
+	}
+	while (chr < 0);
+
+	if (flags) enable_interrupts();
+
+#ifdef DEBUG
+	printf("0x%02x\n", chr);
+#endif
+
+	return chr;
+}
+
+int ps2ser_check(void)
+{
+	int flags;
+
+	flags = disable_interrupts();
+	ps2ser_interrupt(NULL);
+	if (flags) enable_interrupts();
+
+	return atomic_read(&ps2buf_cnt);
+}
+
+static void ps2ser_interrupt(void *dev_id)
+{
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	NS16550_t com_port = (NS16550_t)COM_BASE;
+#endif
+	int chr;
+	int status;
+
+	do {
+		chr = ps2ser_getc_hw();
+#ifdef CONFIG_MPC5xxx
+		status = psc->psc_status;
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+		status = com_port->lsr;
+#else
+		status = ps2ser_in(UART_IIR);
+#endif
+		if (chr < 0) continue;
+
+		if (atomic_read(&ps2buf_cnt) < PS2BUF_SIZE) {
+			ps2buf[ps2buf_in_idx++] = chr;
+			ps2buf_in_idx &= (PS2BUF_SIZE - 1);
+			atomic_inc(&ps2buf_cnt);
+		} else {
+			printf ("ps2ser.c: buffer overflow\n");
+		}
+#ifdef CONFIG_MPC5xxx
+	} while (status & PSC_SR_RXRDY);
+#elif defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+	} while (status & LSR_DR);
+#else
+	} while (status & UART_IIR_RDI);
+#endif
+
+	if (atomic_read(&ps2buf_cnt)) {
+		ps2mult_callback(atomic_read(&ps2buf_cnt));
+	}
+}
+
+#endif /* CONFIG_PS2SERIAL */