LIBS += drivers/libdrivers.a
LIBS += drivers/bios_emulator/libatibiosemu.a
LIBS += drivers/i2c/libi2c.a
+LIBS += drivers/input/libinput.a
LIBS += drivers/nand/libnand.a
LIBS += drivers/nand_legacy/libnand_legacy.a
LIBS += drivers/net/libnet.a
COBJS-y += sym53c8xx.o
COBJS-y += systemace.o
-#
-# Console Drivers
-#
-COBJS-y += i8042.o
-COBJS-y += keyboard.o
-COBJS-y += pc_keyb.o
-COBJS-y += ps2ser.o
-COBJS-y += ps2mult.o
-
#
# Miscellaneous Drivers
#
+++ /dev/null
-/*
- * (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 */
--- /dev/null
+#
+# (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
+
+#########################################################################
--- /dev/null
+/*
+ * (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 */
--- /dev/null
+/***********************************************************************
+ *
+ * (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 */
--- /dev/null
+/***********************************************************************
+ *
+ * (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 */
--- /dev/null
+/***********************************************************************
+ *
+ * (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 */
--- /dev/null
+/***********************************************************************
+ *
+ * (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 */
+++ /dev/null
-/***********************************************************************
- *
- * (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 */
+++ /dev/null
-/***********************************************************************
- *
- * (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 */
+++ /dev/null
-/***********************************************************************
- *
- * (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 */
+++ /dev/null
-/***********************************************************************
- *
- * (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 */
projects / oweals / u-boot.git / commitdiff