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-rw-r--r--drivers/input/Makefile48
-rw-r--r--drivers/input/i8042.c674
-rw-r--r--drivers/input/keyboard.c305
-rw-r--r--drivers/input/pc_keyb.c256
-rw-r--r--drivers/input/ps2mult.c466
-rw-r--r--drivers/input/ps2ser.c319
6 files changed, 2068 insertions, 0 deletions
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
new file mode 100644
index 0000000..df22cf9
--- /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 0000000..22c2a4e
--- /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 0000000..9975202
--- /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 0000000..81d3e98
--- /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 0000000..9515a0f
--- /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 0000000..4e304f7
--- /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 */
generated by cgit v1.1 at 2024-11-05 17:21:41 +0000