ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/drivers/input/Makefile b/marvell/uboot/drivers/input/Makefile
new file mode 100644
index 0000000..a8e9be2
--- /dev/null
+++ b/marvell/uboot/drivers/input/Makefile
@@ -0,0 +1,16 @@
+#
+# (C) Copyright 2000-2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-$(CONFIG_I8042_KBD) += i8042.o
+obj-$(CONFIG_TEGRA_KEYBOARD) += tegra-kbc.o
+obj-$(CONFIG_CROS_EC_KEYB) += cros_ec_keyb.o
+ifdef CONFIG_PS2KBD
+obj-y += keyboard.o pc_keyb.o
+obj-$(CONFIG_PS2MULT) += ps2mult.o ps2ser.o
+endif
+obj-y += input.o
+obj-$(CONFIG_OF_CONTROL) += key_matrix.o
diff --git a/marvell/uboot/drivers/input/cros_ec_keyb.c b/marvell/uboot/drivers/input/cros_ec_keyb.c
new file mode 100644
index 0000000..e8dac23
--- /dev/null
+++ b/marvell/uboot/drivers/input/cros_ec_keyb.c
@@ -0,0 +1,246 @@
+/*
+ * Chromium OS Matrix Keyboard
+ *
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <cros_ec.h>
+#include <fdtdec.h>
+#include <input.h>
+#include <key_matrix.h>
+#include <stdio_dev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ KBC_MAX_KEYS = 8, /* Maximum keys held down at once */
+};
+
+static struct keyb {
+ struct cros_ec_dev *dev; /* The CROS_EC device */
+ struct input_config input; /* The input layer */
+ struct key_matrix matrix; /* The key matrix layer */
+ int key_rows; /* Number of keyboard rows */
+ int key_cols; /* Number of keyboard columns */
+ unsigned int repeat_delay_ms; /* Time before autorepeat starts */
+ unsigned int repeat_rate_ms; /* Autorepeat rate in ms */
+ int ghost_filter; /* 1 to enable ghost filter, else 0 */
+ int inited; /* 1 if keyboard is ready */
+} config;
+
+
+/**
+ * Check the keyboard controller and return a list of key matrix positions
+ * for which a key is pressed
+ *
+ * @param config Keyboard config
+ * @param keys List of keys that we have detected
+ * @param max_count Maximum number of keys to return
+ * @return number of pressed keys, 0 for none
+ */
+static int check_for_keys(struct keyb *config,
+ struct key_matrix_key *keys, int max_count)
+{
+ struct key_matrix_key *key;
+ struct mbkp_keyscan scan;
+ unsigned int row, col, bit, data;
+ int num_keys;
+
+ if (cros_ec_scan_keyboard(config->dev, &scan)) {
+ debug("%s: keyboard scan failed\n", __func__);
+ return -1;
+ }
+
+ for (col = num_keys = bit = 0; col < config->matrix.num_cols;
+ col++) {
+ for (row = 0; row < config->matrix.num_rows; row++) {
+ unsigned int mask = 1 << (bit & 7);
+
+ data = scan.data[bit / 8];
+ if ((data & mask) && num_keys < max_count) {
+ key = keys + num_keys++;
+ key->row = row;
+ key->col = col;
+ key->valid = 1;
+ }
+ bit++;
+ }
+ }
+
+ return num_keys;
+}
+
+/**
+ * Test if keys are available to be read
+ *
+ * @return 0 if no keys available, 1 if keys are available
+ */
+static int kbd_tstc(void)
+{
+ /* Just get input to do this for us */
+ return config.inited ? input_tstc(&config.input) : 0;
+}
+
+/**
+ * Read a key
+ *
+ * @return ASCII key code, or 0 if no key, or -1 if error
+ */
+static int kbd_getc(void)
+{
+ /* Just get input to do this for us */
+ return config.inited ? input_getc(&config.input) : 0;
+}
+
+/**
+ * Check the keyboard, and send any keys that are pressed.
+ *
+ * This is called by input_tstc() and input_getc() when they need more
+ * characters
+ *
+ * @param input Input configuration
+ * @return 1, to indicate that we have something to look at
+ */
+int cros_ec_kbc_check(struct input_config *input)
+{
+ static struct key_matrix_key last_keys[KBC_MAX_KEYS];
+ static int last_num_keys;
+ struct key_matrix_key keys[KBC_MAX_KEYS];
+ int keycodes[KBC_MAX_KEYS];
+ int num_keys, num_keycodes;
+ int irq_pending, sent;
+
+ /*
+ * Loop until the EC has no more keyscan records, or we have
+ * received at least one character. This means we know that tstc()
+ * will always return non-zero if keys have been pressed.
+ *
+ * Without this loop, a key release (which generates no new ascii
+ * characters) will cause us to exit this function, and just tstc()
+ * may return 0 before all keys have been read from the EC.
+ */
+ do {
+ irq_pending = cros_ec_interrupt_pending(config.dev);
+ if (irq_pending) {
+ num_keys = check_for_keys(&config, keys, KBC_MAX_KEYS);
+ last_num_keys = num_keys;
+ memcpy(last_keys, keys, sizeof(keys));
+ } else {
+ /*
+ * EC doesn't want to be asked, so use keys from last
+ * time.
+ */
+ num_keys = last_num_keys;
+ memcpy(keys, last_keys, sizeof(keys));
+ }
+
+ if (num_keys < 0)
+ return -1;
+ num_keycodes = key_matrix_decode(&config.matrix, keys,
+ num_keys, keycodes, KBC_MAX_KEYS);
+ sent = input_send_keycodes(input, keycodes, num_keycodes);
+ } while (irq_pending && !sent);
+
+ return 1;
+}
+
+/**
+ * Decode MBKP keyboard details from the device tree
+ *
+ * @param blob Device tree blob
+ * @param node Node to decode from
+ * @param config Configuration data read from fdt
+ * @return 0 if ok, -1 on error
+ */
+static int cros_ec_keyb_decode_fdt(const void *blob, int node,
+ struct keyb *config)
+{
+ /*
+ * Get keyboard rows and columns - at present we are limited to
+ * 8 columns by the protocol (one byte per row scan)
+ */
+ config->key_rows = fdtdec_get_int(blob, node, "google,key-rows", 0);
+ config->key_cols = fdtdec_get_int(blob, node, "google,key-columns", 0);
+ if (!config->key_rows || !config->key_cols ||
+ config->key_rows * config->key_cols / 8
+ > CROS_EC_KEYSCAN_COLS) {
+ debug("%s: Invalid key matrix size %d x %d\n", __func__,
+ config->key_rows, config->key_cols);
+ return -1;
+ }
+ config->repeat_delay_ms = fdtdec_get_int(blob, node,
+ "google,repeat-delay-ms", 0);
+ config->repeat_rate_ms = fdtdec_get_int(blob, node,
+ "google,repeat-rate-ms", 0);
+ config->ghost_filter = fdtdec_get_bool(blob, node,
+ "google,ghost-filter");
+ return 0;
+}
+
+/**
+ * Set up the keyboard. This is called by the stdio device handler.
+ *
+ * We want to do this init when the keyboard is actually used rather than
+ * at start-up, since keyboard input may not currently be selected.
+ *
+ * @return 0 if ok, -1 on error
+ */
+static int cros_ec_init_keyboard(void)
+{
+ const void *blob = gd->fdt_blob;
+ int node;
+
+ config.dev = board_get_cros_ec_dev();
+ if (!config.dev) {
+ debug("%s: no cros_ec device: cannot init keyboard\n",
+ __func__);
+ return -1;
+ }
+ node = fdtdec_next_compatible(blob, 0, COMPAT_GOOGLE_CROS_EC_KEYB);
+ if (node < 0) {
+ debug("%s: Node not found\n", __func__);
+ return -1;
+ }
+ if (cros_ec_keyb_decode_fdt(blob, node, &config))
+ return -1;
+ input_set_delays(&config.input, config.repeat_delay_ms,
+ config.repeat_rate_ms);
+ if (key_matrix_init(&config.matrix, config.key_rows,
+ config.key_cols, config.ghost_filter)) {
+ debug("%s: cannot init key matrix\n", __func__);
+ return -1;
+ }
+ if (key_matrix_decode_fdt(&config.matrix, gd->fdt_blob, node)) {
+ debug("%s: Could not decode key matrix from fdt\n", __func__);
+ return -1;
+ }
+ config.inited = 1;
+ debug("%s: Matrix keyboard %dx%d ready\n", __func__, config.key_rows,
+ config.key_cols);
+
+ return 0;
+}
+
+int drv_keyboard_init(void)
+{
+ struct stdio_dev dev;
+
+ if (input_init(&config.input, 0)) {
+ debug("%s: Cannot set up input\n", __func__);
+ return -1;
+ }
+ config.input.read_keys = cros_ec_kbc_check;
+
+ memset(&dev, '\0', sizeof(dev));
+ strcpy(dev.name, "cros-ec-keyb");
+ dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+ dev.getc = kbd_getc;
+ dev.tstc = kbd_tstc;
+ dev.start = cros_ec_init_keyboard;
+
+ /* Register the device. cros_ec_init_keyboard() will be called soon */
+ return input_stdio_register(&dev);
+}
diff --git a/marvell/uboot/drivers/input/i8042.c b/marvell/uboot/drivers/input/i8042.c
new file mode 100644
index 0000000..35fa0bb
--- /dev/null
+++ b/marvell/uboot/drivers/input/i8042.c
@@ -0,0 +1,706 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* i8042.c - Intel 8042 keyboard driver routines */
+
+/* includes */
+
+#include <common.h>
+#include <linux/compiler.h>
+
+#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 = CONFIG_SYS_CONSOLE_BLINK_COUNT;
+static int cursor_state;
+#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; /* 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 */
+ };
+
+/******************************************************************************/
+
+static int kbd_controller_present(void)
+{
+ return in8(I8042_STATUS_REG) != 0xff;
+}
+
+/*
+ * Implement a weak default function for boards that optionally
+ * need to skip the i8042 initialization.
+ */
+int __weak board_i8042_skip(void)
+{
+ /* As default, don't skip */
+ return 0;
+}
+
+void i8042_flush(void)
+{
+ int timeout;
+
+ /*
+ * The delay is to give the keyboard controller some time to fill the
+ * next byte.
+ */
+ while (1) {
+ timeout = 100; /* wait for no longer than 100us */
+ while (timeout > 0 && !(in8(I8042_STATUS_REG) & 0x01)) {
+ udelay(1);
+ timeout--;
+ }
+
+ /* Try to pull next byte if not timeout. */
+ if (in8(I8042_STATUS_REG) & 0x01)
+ in8(I8042_DATA_REG);
+ else
+ break;
+ }
+}
+
+int i8042_disable(void)
+{
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ /* Disable keyboard */
+ out8(I8042_COMMAND_REG, 0xad);
+
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ return 0;
+}
+
+
+/*******************************************************************************
+ *
+ * i8042_kbd_init - reset keyboard and init state flags
+ */
+int i8042_kbd_init(void)
+{
+ int keymap, try;
+ char *penv;
+
+ if (!kbd_controller_present() || board_i8042_skip())
+ return -1;
+
+#ifdef CONFIG_USE_CPCIDVI
+ penv = getenv("console");
+ if (penv != NULL) {
+ if (strncmp(penv, "serial", 7) == 0)
+ return -1;
+ }
+#endif
+ /* Init keyboard device (default US layout) */
+ keymap = KBD_US;
+ penv = getenv("keymap");
+ if (penv != 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 = CONFIG_SYS_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 = CONFIG_SYS_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 * 1000;
+
+ while ((in8(I8042_STATUS_REG) & I8042_STATUS_IN_DATA) && kbdTimeout--)
+ udelay(1);
+
+ return kbdTimeout != -1;
+}
+
+/******************************************************************************/
+
+static int wait_until_kbd_output_full(void)
+{
+ int kbdTimeout = KBD_TIMEOUT * 1000;
+
+ while (((in8(I8042_STATUS_REG) & 0x01) == 0) && kbdTimeout--)
+ udelay(1);
+
+ return kbdTimeout != -1;
+}
+
+/******************************************************************************/
+
+static int kbd_reset(void)
+{
+ /* KB Reset */
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ out8(I8042_DATA_REG, 0xff);
+
+ if (wait_until_kbd_output_full() == 0)
+ return -1;
+
+ if (in8(I8042_DATA_REG) != 0xfa) /* ACK */
+ return -1;
+
+ if (wait_until_kbd_output_full() == 0)
+ return -1;
+
+ if (in8(I8042_DATA_REG) != 0xaa) /* Test Pass*/
+ return -1;
+
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ /* Set KBC mode */
+ out8(I8042_COMMAND_REG, 0x60);
+
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ out8(I8042_DATA_REG, 0x45);
+
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ /* Enable Keyboard */
+ out8(I8042_COMMAND_REG, 0xae);
+
+ if (kbd_input_empty() == 0)
+ return -1;
+
+ return 0;
+}
diff --git a/marvell/uboot/drivers/input/input.c b/marvell/uboot/drivers/input/input.c
new file mode 100644
index 0000000..007b855
--- /dev/null
+++ b/marvell/uboot/drivers/input/input.c
@@ -0,0 +1,491 @@
+/*
+ * Translate key codes into ASCII
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2004 DENX Software Engineering, Wolfgang Denk, wd@denx.de
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <stdio_dev.h>
+#include <input.h>
+#include <linux/input.h>
+
+enum {
+ /* These correspond to the lights on the keyboard */
+ FLAG_NUM_LOCK = 1 << 0,
+ FLAG_CAPS_LOCK = 1 << 1,
+ FLAG_SCROLL_LOCK = 1 << 2,
+
+ /* Special flag ORed with key code to indicate release */
+ KEY_RELEASE = 1 << 15,
+ KEY_MASK = 0xfff,
+};
+
+/*
+ * These takes map key codes to ASCII. 0xff means no key, or special key.
+ * Three tables are provided - one for plain keys, one for when the shift
+ * 'modifier' key is pressed and one for when the ctrl modifier key is
+ * pressed.
+ */
+static const uchar 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
+};
+
+/*
+ * Scan key code to ANSI 3.64 escape sequence table. This table is
+ * incomplete in that it does not include all possible extra keys.
+ */
+static struct {
+ int kbd_scan_code;
+ char *escape;
+} kbd_to_ansi364[] = {
+ { KEY_UP, "\033[A"},
+ { KEY_DOWN, "\033[B"},
+ { KEY_RIGHT, "\033[C"},
+ { KEY_LEFT, "\033[D"},
+};
+
+/* Maximum number of output characters that an ANSI sequence expands to */
+#define ANSI_CHAR_MAX 3
+
+static int input_queue_ascii(struct input_config *config, int ch)
+{
+ if (config->fifo_in + 1 == INPUT_BUFFER_LEN) {
+ if (!config->fifo_out)
+ return -1; /* buffer full */
+ else
+ config->fifo_in = 0;
+ } else {
+ if (config->fifo_in + 1 == config->fifo_out)
+ return -1; /* buffer full */
+ config->fifo_in++;
+ }
+ config->fifo[config->fifo_in] = (uchar)ch;
+
+ return 0;
+}
+
+int input_tstc(struct input_config *config)
+{
+ if (config->fifo_in == config->fifo_out && config->read_keys) {
+ if (!(*config->read_keys)(config))
+ return 0;
+ }
+ return config->fifo_in != config->fifo_out;
+}
+
+int input_getc(struct input_config *config)
+{
+ int err = 0;
+
+ while (config->fifo_in == config->fifo_out) {
+ if (config->read_keys)
+ err = (*config->read_keys)(config);
+ if (err)
+ return -1;
+ }
+
+ if (++config->fifo_out == INPUT_BUFFER_LEN)
+ config->fifo_out = 0;
+
+ return config->fifo[config->fifo_out];
+}
+
+/**
+ * Process a modifier/special key press or release and decide which key
+ * translation array should be used as a result.
+ *
+ * TODO: Should keep track of modifier press/release
+ *
+ * @param config Input state
+ * @param key Key code to process
+ * @param release 0 if a press, 1 if a release
+ * @return pointer to keycode->ascii translation table that should be used
+ */
+static struct input_key_xlate *process_modifier(struct input_config *config,
+ int key, int release)
+{
+ struct input_key_xlate *table;
+ int flip = -1;
+ int i;
+
+ /* Start with the main table, and see what modifiers change it */
+ assert(config->num_tables > 0);
+ table = &config->table[0];
+ for (i = 1; i < config->num_tables; i++) {
+ struct input_key_xlate *tab = &config->table[i];
+
+ if (key == tab->left_keycode || key == tab->right_keycode)
+ table = tab;
+ }
+
+ /* Handle the lighted keys */
+ if (!release) {
+ switch (key) {
+ case KEY_SCROLLLOCK:
+ flip = FLAG_SCROLL_LOCK;
+ break;
+ case KEY_NUMLOCK:
+ flip = FLAG_NUM_LOCK;
+ break;
+ case KEY_CAPSLOCK:
+ flip = FLAG_CAPS_LOCK;
+ break;
+ }
+ }
+
+ if (flip != -1) {
+ int leds = 0;
+
+ config->leds ^= flip;
+ if (config->flags & FLAG_NUM_LOCK)
+ leds |= INPUT_LED_NUM;
+ if (config->flags & FLAG_CAPS_LOCK)
+ leds |= INPUT_LED_CAPS;
+ if (config->flags & FLAG_SCROLL_LOCK)
+ leds |= INPUT_LED_SCROLL;
+ config->leds = leds;
+ }
+
+ return table;
+}
+
+/**
+ * Search an int array for a key value
+ *
+ * @param array Array to search
+ * @param count Number of elements in array
+ * @param key Key value to find
+ * @return element where value was first found, -1 if none
+ */
+static int array_search(int *array, int count, int key)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (array[i] == key)
+ return i;
+ }
+
+ return -1;
+}
+
+/**
+ * Sort an array so that those elements that exist in the ordering are
+ * first in the array, and in the same order as the ordering. The algorithm
+ * is O(count * ocount) and designed for small arrays.
+ *
+ * TODO: Move this to common / lib?
+ *
+ * @param dest Array with elements to sort, also destination array
+ * @param count Number of elements to sort
+ * @param order Array containing ordering elements
+ * @param ocount Number of ordering elements
+ * @return number of elements in dest that are in order (these will be at the
+ * start of dest).
+ */
+static int sort_array_by_ordering(int *dest, int count, int *order,
+ int ocount)
+{
+ int temp[count];
+ int dest_count;
+ int same; /* number of elements which are the same */
+ int i;
+
+ /* setup output items, copy items to be sorted into our temp area */
+ memcpy(temp, dest, count * sizeof(*dest));
+ dest_count = 0;
+
+ /* work through the ordering, move over the elements we agree on */
+ for (i = 0; i < ocount; i++) {
+ if (array_search(temp, count, order[i]) != -1)
+ dest[dest_count++] = order[i];
+ }
+ same = dest_count;
+
+ /* now move over the elements that are not in the ordering */
+ for (i = 0; i < count; i++) {
+ if (array_search(order, ocount, temp[i]) == -1)
+ dest[dest_count++] = temp[i];
+ }
+ assert(dest_count == count);
+ return same;
+}
+
+/**
+ * Check a list of key codes against the previous key scan
+ *
+ * Given a list of new key codes, we check how many of these are the same
+ * as last time.
+ *
+ * @param config Input state
+ * @param keycode List of key codes to examine
+ * @param num_keycodes Number of key codes
+ * @param same Returns number of key codes which are the same
+ */
+static int input_check_keycodes(struct input_config *config,
+ int keycode[], int num_keycodes, int *same)
+{
+ /* Select the 'plain' xlate table to start with */
+ if (!config->num_tables) {
+ debug("%s: No xlate tables: cannot decode keys\n", __func__);
+ return -1;
+ }
+
+ /* sort the keycodes into the same order as the previous ones */
+ *same = sort_array_by_ordering(keycode, num_keycodes,
+ config->prev_keycodes, config->num_prev_keycodes);
+
+ memcpy(config->prev_keycodes, keycode, num_keycodes * sizeof(int));
+ config->num_prev_keycodes = num_keycodes;
+
+ return *same != num_keycodes;
+}
+
+/**
+ * Checks and converts a special key code into ANSI 3.64 escape sequence.
+ *
+ * @param config Input state
+ * @param keycode Key code to examine
+ * @param output_ch Buffer to place output characters into. It should
+ * be at least ANSI_CHAR_MAX bytes long, to allow for
+ * an ANSI sequence.
+ * @param max_chars Maximum number of characters to add to output_ch
+ * @return number of characters output, if the key was converted, otherwise 0.
+ * This may be larger than max_chars, in which case the overflow
+ * characters are not output.
+ */
+static int input_keycode_to_ansi364(struct input_config *config,
+ int keycode, char output_ch[], int max_chars)
+{
+ const char *escape;
+ int ch_count;
+ int i;
+
+ for (i = ch_count = 0; i < ARRAY_SIZE(kbd_to_ansi364); i++) {
+ if (keycode != kbd_to_ansi364[i].kbd_scan_code)
+ continue;
+ for (escape = kbd_to_ansi364[i].escape; *escape; escape++) {
+ if (ch_count < max_chars)
+ output_ch[ch_count] = *escape;
+ ch_count++;
+ }
+ return ch_count;
+ }
+
+ return 0;
+}
+
+/**
+ * Converts and queues a list of key codes in escaped ASCII string form
+ * Convert a list of key codes into ASCII
+ *
+ * You must call input_check_keycodes() before this. It turns the keycode
+ * list into a list of ASCII characters and sends them to the input layer.
+ *
+ * Characters which were seen last time do not generate fresh ASCII output.
+ * The output (calls to queue_ascii) may be longer than num_keycodes, if the
+ * keycode contains special keys that was encoded to longer escaped sequence.
+ *
+ * @param config Input state
+ * @param keycode List of key codes to examine
+ * @param num_keycodes Number of key codes
+ * @param output_ch Buffer to place output characters into. It should
+ * be at last ANSI_CHAR_MAX * num_keycodes, to allow for
+ * ANSI sequences.
+ * @param max_chars Maximum number of characters to add to output_ch
+ * @param same Number of key codes which are the same
+ * @return number of characters written into output_ch, or -1 if we would
+ * exceed max_chars chars.
+ */
+static int input_keycodes_to_ascii(struct input_config *config,
+ int keycode[], int num_keycodes, char output_ch[],
+ int max_chars, int same)
+{
+ struct input_key_xlate *table;
+ int ch_count = 0;
+ int i;
+
+ table = &config->table[0];
+
+ /* deal with modifiers first */
+ for (i = 0; i < num_keycodes; i++) {
+ int key = keycode[i] & KEY_MASK;
+
+ if (key >= table->num_entries || table->xlate[key] == 0xff) {
+ table = process_modifier(config, key,
+ keycode[i] & KEY_RELEASE);
+ }
+ }
+
+ /* Start conversion by looking for the first new keycode (by same). */
+ for (i = same; i < num_keycodes; i++) {
+ int key = keycode[i];
+ int ch = (key < table->num_entries) ? table->xlate[key] : 0xff;
+
+ /*
+ * For a normal key (with an ASCII value), add it; otherwise
+ * translate special key to escape sequence if possible.
+ */
+ if (ch != 0xff) {
+ if (ch_count < max_chars)
+ output_ch[ch_count] = (uchar)ch;
+ ch_count++;
+ } else {
+ ch_count += input_keycode_to_ansi364(config, key,
+ output_ch, max_chars);
+ }
+ }
+
+ if (ch_count > max_chars) {
+ debug("%s: Output char buffer overflow size=%d, need=%d\n",
+ __func__, max_chars, ch_count);
+ return -1;
+ }
+
+ /* ok, so return keys */
+ return ch_count;
+}
+
+int input_send_keycodes(struct input_config *config,
+ int keycode[], int num_keycodes)
+{
+ char ch[num_keycodes * ANSI_CHAR_MAX];
+ int count, i, same = 0;
+ int is_repeat = 0;
+ unsigned delay_ms;
+
+ config->modifiers = 0;
+ if (!input_check_keycodes(config, keycode, num_keycodes, &same)) {
+ /*
+ * Same as last time - is it time for another repeat?
+ * TODO(sjg@chromium.org) We drop repeats here and since
+ * the caller may not call in again for a while, our
+ * auto-repeat speed is not quite correct. We should
+ * insert another character if we later realise that we
+ * have missed a repeat slot.
+ */
+ is_repeat = config->repeat_rate_ms &&
+ (int)get_timer(config->next_repeat_ms) >= 0;
+ if (!is_repeat)
+ return 0;
+ }
+
+ count = input_keycodes_to_ascii(config, keycode, num_keycodes,
+ ch, sizeof(ch), is_repeat ? 0 : same);
+ for (i = 0; i < count; i++)
+ input_queue_ascii(config, ch[i]);
+ delay_ms = is_repeat ?
+ config->repeat_rate_ms :
+ config->repeat_delay_ms;
+
+ config->next_repeat_ms = get_timer(0) + delay_ms;
+
+ return count;
+}
+
+int input_add_table(struct input_config *config, int left_keycode,
+ int right_keycode, const uchar *xlate, int num_entries)
+{
+ struct input_key_xlate *table;
+
+ if (config->num_tables == INPUT_MAX_MODIFIERS) {
+ debug("%s: Too many modifier tables\n", __func__);
+ return -1;
+ }
+
+ table = &config->table[config->num_tables++];
+ table->left_keycode = left_keycode;
+ table->right_keycode = right_keycode;
+ table->xlate = xlate;
+ table->num_entries = num_entries;
+
+ return 0;
+}
+
+void input_set_delays(struct input_config *config, int repeat_delay_ms,
+ int repeat_rate_ms)
+{
+ config->repeat_delay_ms = repeat_delay_ms;
+ config->repeat_rate_ms = repeat_rate_ms;
+}
+
+int input_init(struct input_config *config, int leds)
+{
+ memset(config, '\0', sizeof(*config));
+ config->leds = leds;
+ if (input_add_table(config, -1, -1,
+ kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate)) ||
+ input_add_table(config, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
+ kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate)) ||
+ input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL,
+ kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate))) {
+ debug("%s: Could not add modifier tables\n", __func__);
+ return -1;
+ }
+
+ return 0;
+}
+
+int input_stdio_register(struct stdio_dev *dev)
+{
+ int error;
+
+ error = stdio_register(dev);
+
+ /* check if this is the standard input device */
+ if (!error && strcmp(getenv("stdin"), dev->name) == 0) {
+ /* reassign the console */
+ if (OVERWRITE_CONSOLE ||
+ console_assign(stdin, dev->name))
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/marvell/uboot/drivers/input/key_matrix.c b/marvell/uboot/drivers/input/key_matrix.c
new file mode 100644
index 0000000..8867e49
--- /dev/null
+++ b/marvell/uboot/drivers/input/key_matrix.c
@@ -0,0 +1,191 @@
+/*
+ * Manage Keyboard Matrices
+ *
+ * Copyright (c) 2012 The Chromium OS Authors.
+ * (C) Copyright 2004 DENX Software Engineering, Wolfgang Denk, wd@denx.de
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <key_matrix.h>
+#include <malloc.h>
+#include <linux/input.h>
+
+/**
+ * Determine if the current keypress configuration can cause key ghosting
+ *
+ * We figure this out by seeing if we have two or more keys in the same
+ * column, as well as two or more keys in the same row.
+ *
+ * @param config Keyboard matrix config
+ * @param keys List of keys to check
+ * @param valid Number of valid keypresses to check
+ * @return 0 if no ghosting is possible, 1 if it is
+ */
+static int has_ghosting(struct key_matrix *config, struct key_matrix_key *keys,
+ int valid)
+{
+ int key_in_same_col = 0, key_in_same_row = 0;
+ int i, j;
+
+ if (!config->ghost_filter || valid < 3)
+ return 0;
+
+ for (i = 0; i < valid; i++) {
+ /*
+ * Find 2 keys such that one key is in the same row
+ * and the other is in the same column as the i-th key.
+ */
+ for (j = i + 1; j < valid; j++) {
+ if (keys[j].col == keys[i].col)
+ key_in_same_col = 1;
+ if (keys[j].row == keys[i].row)
+ key_in_same_row = 1;
+ }
+ }
+
+ if (key_in_same_col && key_in_same_row)
+ return 1;
+ else
+ return 0;
+}
+
+int key_matrix_decode(struct key_matrix *config, struct key_matrix_key keys[],
+ int num_keys, int keycode[], int max_keycodes)
+{
+ const u8 *keymap;
+ int valid, upto;
+ int pos;
+
+ debug("%s: num_keys = %d\n", __func__, num_keys);
+ keymap = config->plain_keycode;
+ for (valid = upto = 0; upto < num_keys; upto++) {
+ struct key_matrix_key *key = &keys[upto];
+
+ debug(" valid=%d, row=%d, col=%d\n", key->valid, key->row,
+ key->col);
+ if (!key->valid)
+ continue;
+ pos = key->row * config->num_cols + key->col;
+ if (config->fn_keycode && pos == config->fn_pos)
+ keymap = config->fn_keycode;
+
+ /* Convert the (row, col) values into a keycode */
+ if (valid < max_keycodes)
+ keycode[valid++] = keymap[pos];
+ debug(" keycode=%d\n", keymap[pos]);
+ }
+
+ /* For a ghost key config, ignore the keypresses for this iteration. */
+ if (has_ghosting(config, keys, valid)) {
+ valid = 0;
+ debug(" ghosting detected!\n");
+ }
+ debug(" %d valid keycodes found\n", valid);
+
+ return valid;
+}
+
+/**
+ * Create a new keycode map from some provided data
+ *
+ * This decodes a keycode map in the format used by the fdt, which is one
+ * word per entry, with the row, col and keycode encoded in that word.
+ *
+ * We create a (row x col) size byte array with each entry containing the
+ * keycode for that (row, col). We also search for map_keycode and return
+ * its position if found (this is used for finding the Fn key).
+ *
+ * @param config Key matrix dimensions structure
+ * @param data Keycode data
+ * @param len Number of entries in keycode table
+ * @param map_keycode Key code to find in the map
+ * @param pos Returns position of map_keycode, if found, else -1
+ * @return map Pointer to allocated map
+ */
+static uchar *create_keymap(struct key_matrix *config, u32 *data, int len,
+ int map_keycode, int *pos)
+{
+ uchar *map;
+
+ if (pos)
+ *pos = -1;
+ map = (uchar *)calloc(1, config->key_count);
+ if (!map) {
+ debug("%s: failed to malloc %d bytes\n", __func__,
+ config->key_count);
+ return NULL;
+ }
+
+ for (; len >= sizeof(u32); data++, len -= 4) {
+ u32 tmp = fdt32_to_cpu(*data);
+ int key_code, row, col;
+ int entry;
+
+ row = (tmp >> 24) & 0xff;
+ col = (tmp >> 16) & 0xff;
+ key_code = tmp & 0xffff;
+ entry = row * config->num_cols + col;
+ map[entry] = key_code;
+ debug(" map %d, %d: pos=%d, keycode=%d\n", row, col,
+ entry, key_code);
+ if (pos && map_keycode == key_code)
+ *pos = entry;
+ }
+
+ return map;
+}
+
+int key_matrix_decode_fdt(struct key_matrix *config, const void *blob, int node)
+{
+ const struct fdt_property *prop;
+ int proplen;
+ uchar *plain_keycode;
+
+ prop = fdt_get_property(blob, node, "linux,keymap", &proplen);
+ /* Basic keymap is required */
+ if (!prop) {
+ debug("%s: cannot find keycode-plain map\n", __func__);
+ return -1;
+ }
+
+ plain_keycode = create_keymap(config, (u32 *)prop->data,
+ proplen, KEY_FN, &config->fn_pos);
+ config->plain_keycode = plain_keycode;
+ /* Conversion error -> fail */
+ if (!config->plain_keycode)
+ return -1;
+
+ prop = fdt_get_property(blob, node, "linux,fn-keymap", &proplen);
+ /* fn keymap is optional */
+ if (!prop)
+ goto done;
+
+ config->fn_keycode = create_keymap(config, (u32 *)prop->data,
+ proplen, -1, NULL);
+ /* Conversion error -> fail */
+ if (!config->fn_keycode) {
+ free(plain_keycode);
+ return -1;
+ }
+
+done:
+ debug("%s: Decoded key maps %p, %p from fdt\n", __func__,
+ config->plain_keycode, config->fn_keycode);
+ return 0;
+}
+
+int key_matrix_init(struct key_matrix *config, int rows, int cols,
+ int ghost_filter)
+{
+ memset(config, '\0', sizeof(*config));
+ config->num_rows = rows;
+ config->num_cols = cols;
+ config->key_count = rows * cols;
+ config->ghost_filter = ghost_filter;
+ assert(config->key_count > 0);
+
+ return 0;
+}
diff --git a/marvell/uboot/drivers/input/keyboard.c b/marvell/uboot/drivers/input/keyboard.c
new file mode 100644
index 0000000..614592e
--- /dev/null
+++ b/marvell/uboot/drivers/input/keyboard.c
@@ -0,0 +1,300 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * Keyboard driver
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#include <stdio_dev.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 CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+extern int overwrite_console (void);
+#define OVERWRITE_CONSOLE overwrite_console ()
+#else
+#define OVERWRITE_CONSOLE 0
+#endif /* CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE */
+
+int kbd_init (void)
+{
+ int error;
+ struct stdio_dev 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 = stdio_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;
+}
diff --git a/marvell/uboot/drivers/input/pc_keyb.c b/marvell/uboot/drivers/input/pc_keyb.c
new file mode 100644
index 0000000..1606ab3
--- /dev/null
+++ b/marvell/uboot/drivers/input/pc_keyb.c
@@ -0,0 +1,251 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * PS/2 keyboard driver
+ *
+ * Originally from linux source (drivers/char/pc_keyb.c)
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#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);
+}
diff --git a/marvell/uboot/drivers/input/ps2mult.c b/marvell/uboot/drivers/input/ps2mult.c
new file mode 100644
index 0000000..ab74933
--- /dev/null
+++ b/marvell/uboot/drivers/input/ps2mult.c
@@ -0,0 +1,461 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * 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>
+
+#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;
+}
diff --git a/marvell/uboot/drivers/input/ps2ser.c b/marvell/uboot/drivers/input/ps2ser.c
new file mode 100644
index 0000000..bcbe52a
--- /dev/null
+++ b/marvell/uboot/drivers/input/ps2ser.c
@@ -0,0 +1,241 @@
+/***********************************************************************
+ *
+ * (C) Copyright 2004-2009
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * Simple 16550A serial driver
+ *
+ * Originally from linux source (drivers/char/ps2ser.c)
+ *
+ * Used by the PS/2 multiplexer driver (ps2mult.c)
+ *
+ ***********************************************************************/
+
+#include <common.h>
+
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <ps2mult.h>
+/* This is needed for ns16550.h */
+#ifndef CONFIG_SYS_NS16550_REG_SIZE
+#define CONFIG_SYS_NS16550_REG_SIZE 1
+#endif
+#include <ns16550.h>
+
+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 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
+
+#else
+
+#if CONFIG_PS2SERIAL == 1
+#define COM_BASE (CONFIG_SYS_CCSRBAR+0x4500)
+#elif CONFIG_PS2SERIAL == 2
+#define COM_BASE (CONFIG_SYS_CCSRBAR+0x4600)
+#else
+#error CONFIG_PS2SERIAL must be in 1 ... 2
+#endif
+
+#endif /* CONFIG_MPC5xxx / other */
+
+static int ps2ser_getc_hw(void);
+static void ps2ser_interrupt(void *dev_id);
+
+extern struct serial_state rs_table[]; /* in serial.c */
+
+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 */
+ psc->psc_clock_select = 0;
+ baseclk = (gd->arch.ipb_clk + 16) / 32;
+
+ /* switch to UART mode */
+ psc->sicr = 0;
+
+ /* configure parity, bit length and so on */
+ psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+ 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);
+}
+
+#else
+
+int ps2ser_init(void)
+{
+ NS16550_t com_port = (NS16550_t)COM_BASE;
+
+ com_port->ier = 0x00;
+ com_port->lcr = UART_LCR_BKSE | UART_LCR_8N1;
+ com_port->dll = (CONFIG_SYS_NS16550_CLK / 16 / PS2SER_BAUD) & 0xff;
+ com_port->dlm = ((CONFIG_SYS_NS16550_CLK / 16 / PS2SER_BAUD) >> 8) & 0xff;
+ com_port->lcr = UART_LCR_8N1;
+ com_port->mcr = (UART_MCR_DTR | UART_MCR_RTS);
+ com_port->fcr = (UART_FCR_FIFO_EN | UART_FCR_RXSR | UART_FCR_TXSR);
+
+ return (0);
+}
+
+#endif /* CONFIG_MPC5xxx / other */
+
+void ps2ser_putc(int chr)
+{
+#ifdef CONFIG_MPC5xxx
+ volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#else
+ NS16550_t com_port = (NS16550_t)COM_BASE;
+#endif
+ debug(">>>> 0x%02x\n", chr);
+
+#ifdef CONFIG_MPC5xxx
+ while (!(psc->psc_status & PSC_SR_TXRDY));
+
+ psc->psc_buffer_8 = chr;
+#else
+ while ((com_port->lsr & UART_LSR_THRE) == 0);
+ com_port->thr = chr;
+#endif
+}
+
+static int ps2ser_getc_hw(void)
+{
+#ifdef CONFIG_MPC5xxx
+ volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#else
+ 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);
+ }
+#else
+ if (com_port->lsr & UART_LSR_DR) {
+ res = com_port->rbr;
+ }
+#endif
+
+ return res;
+}
+
+int ps2ser_getc(void)
+{
+ volatile int chr;
+ int flags;
+
+ debug("<< ");
+
+ 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();
+
+ debug("0x%02x\n", chr);
+
+ 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;
+#else
+ 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;
+#else
+ status = com_port->lsr;
+#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);
+#else
+ } while (status & UART_LSR_DR);
+#endif
+ if (atomic_read(&ps2buf_cnt)) {
+ ps2mult_callback(atomic_read(&ps2buf_cnt));
+ }
+}
diff --git a/marvell/uboot/drivers/input/tegra-kbc.c b/marvell/uboot/drivers/input/tegra-kbc.c
new file mode 100644
index 0000000..f137f93
--- /dev/null
+++ b/marvell/uboot/drivers/input/tegra-kbc.c
@@ -0,0 +1,376 @@
+/*
+ * (C) Copyright 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <input.h>
+#include <key_matrix.h>
+#include <stdio_dev.h>
+#include <tegra-kbc.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch-tegra/timer.h>
+#include <linux/input.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ KBC_MAX_GPIO = 24,
+ KBC_MAX_KPENT = 8, /* size of keypress entry queue */
+};
+
+#define KBC_FIFO_TH_CNT_SHIFT 14
+#define KBC_DEBOUNCE_CNT_SHIFT 4
+#define KBC_CONTROL_FIFO_CNT_INT_EN (1 << 3)
+#define KBC_CONTROL_KBC_EN (1 << 0)
+#define KBC_INT_FIFO_CNT_INT_STATUS (1 << 2)
+#define KBC_KPENT_VALID (1 << 7)
+#define KBC_ST_STATUS (1 << 3)
+
+enum {
+ KBC_DEBOUNCE_COUNT = 2,
+ KBC_REPEAT_RATE_MS = 30,
+ KBC_REPEAT_DELAY_MS = 240,
+ KBC_CLOCK_KHZ = 32, /* Keyboard uses a 32KHz clock */
+};
+
+/* keyboard controller config and state */
+static struct keyb {
+ struct input_config input; /* The input layer */
+ struct key_matrix matrix; /* The key matrix layer */
+
+ struct kbc_tegra *kbc; /* tegra keyboard controller */
+ unsigned char inited; /* 1 if keyboard has been inited */
+ unsigned char first_scan; /* 1 if this is our first key scan */
+ unsigned char created; /* 1 if driver has been created */
+
+ /*
+ * After init we must wait a short time before polling the keyboard.
+ * This gives the tegra keyboard controller time to react after reset
+ * and lets us grab keys pressed during reset.
+ */
+ unsigned int init_dly_ms; /* Delay before we can read keyboard */
+ unsigned int start_time_ms; /* Time that we inited (in ms) */
+ unsigned int last_poll_ms; /* Time we should last polled */
+ unsigned int next_repeat_ms; /* Next time we repeat a key */
+} config;
+
+/**
+ * reads the keyboard fifo for current keypresses
+ *
+ * @param config Keyboard config
+ * @param fifo Place to put fifo results
+ * @param max_keycodes Maximum number of key codes to put in the fifo
+ * @return number of items put into fifo
+ */
+static int tegra_kbc_find_keys(struct keyb *config, int *fifo,
+ int max_keycodes)
+{
+ struct key_matrix_key keys[KBC_MAX_KPENT], *key;
+ u32 kp_ent = 0;
+ int i;
+
+ for (key = keys, i = 0; i < KBC_MAX_KPENT; i++, key++) {
+ /* Get next word */
+ if (!(i & 3))
+ kp_ent = readl(&config->kbc->kp_ent[i / 4]);
+
+ key->valid = (kp_ent & KBC_KPENT_VALID) != 0;
+ key->row = (kp_ent >> 3) & 0xf;
+ key->col = kp_ent & 0x7;
+
+ /* Shift to get next entry */
+ kp_ent >>= 8;
+ }
+ return key_matrix_decode(&config->matrix, keys, KBC_MAX_KPENT, fifo,
+ max_keycodes);
+}
+
+/**
+ * Process all the keypress sequences in fifo and send key codes
+ *
+ * The fifo contains zero or more keypress sets. Each set
+ * consists of from 1-8 keycodes, representing the keycodes which
+ * were simultaneously pressed during that scan.
+ *
+ * This function works through each set and generates ASCII characters
+ * for each. Not that one set may produce more than one ASCII characters -
+ * for example holding down 'd' and 'f' at the same time will generate
+ * two ASCII characters.
+ *
+ * Note: if fifo_cnt is 0, we will tell the input layer that no keys are
+ * pressed.
+ *
+ * @param config Keyboard config
+ * @param fifo_cnt Number of entries in the keyboard fifo
+ */
+static void process_fifo(struct keyb *config, int fifo_cnt)
+{
+ int fifo[KBC_MAX_KPENT];
+ int cnt = 0;
+
+ /* Always call input_send_keycodes() at least once */
+ do {
+ if (fifo_cnt)
+ cnt = tegra_kbc_find_keys(config, fifo, KBC_MAX_KPENT);
+
+ input_send_keycodes(&config->input, fifo, cnt);
+ } while (--fifo_cnt > 0);
+}
+
+/**
+ * Check the keyboard controller and emit ASCII characters for any keys that
+ * are pressed.
+ *
+ * @param config Keyboard config
+ */
+static void check_for_keys(struct keyb *config)
+{
+ int fifo_cnt;
+
+ if (!config->first_scan &&
+ get_timer(config->last_poll_ms) < KBC_REPEAT_RATE_MS)
+ return;
+ config->last_poll_ms = get_timer(0);
+ config->first_scan = 0;
+
+ /*
+ * Once we get here we know the keyboard has been scanned. So if there
+ * scan waiting for us, we know that nothing is held down.
+ */
+ fifo_cnt = (readl(&config->kbc->interrupt) >> 4) & 0xf;
+ process_fifo(config, fifo_cnt);
+}
+
+/**
+ * In order to detect keys pressed on boot, wait for the hardware to
+ * complete scanning the keys. This includes time to transition from
+ * Wkup mode to Continous polling mode and the repoll time. We can
+ * deduct the time that's already elapsed.
+ *
+ * @param config Keyboard config
+ */
+static void kbd_wait_for_fifo_init(struct keyb *config)
+{
+ if (!config->inited) {
+ unsigned long elapsed_time;
+ long delay_ms;
+
+ elapsed_time = get_timer(config->start_time_ms);
+ delay_ms = config->init_dly_ms - elapsed_time;
+ if (delay_ms > 0) {
+ udelay(delay_ms * 1000);
+ debug("%s: delay %ldms\n", __func__, delay_ms);
+ }
+
+ config->inited = 1;
+ }
+}
+
+/**
+ * Check the tegra keyboard, and send any keys that are pressed.
+ *
+ * This is called by input_tstc() and input_getc() when they need more
+ * characters
+ *
+ * @param input Input configuration
+ * @return 1, to indicate that we have something to look at
+ */
+int tegra_kbc_check(struct input_config *input)
+{
+ kbd_wait_for_fifo_init(&config);
+ check_for_keys(&config);
+
+ return 1;
+}
+
+/**
+ * Test if keys are available to be read
+ *
+ * @return 0 if no keys available, 1 if keys are available
+ */
+static int kbd_tstc(void)
+{
+ /* Just get input to do this for us */
+ return input_tstc(&config.input);
+}
+
+/**
+ * Read a key
+ *
+ * TODO: U-Boot wants 0 for no key, but Ctrl-@ is a valid key...
+ *
+ * @return ASCII key code, or 0 if no key, or -1 if error
+ */
+static int kbd_getc(void)
+{
+ /* Just get input to do this for us */
+ return input_getc(&config.input);
+}
+
+/* configures keyboard GPIO registers to use the rows and columns */
+static void config_kbc_gpio(struct kbc_tegra *kbc)
+{
+ int i;
+
+ for (i = 0; i < KBC_MAX_GPIO; i++) {
+ u32 row_cfg, col_cfg;
+ u32 r_shift = 5 * (i % 6);
+ u32 c_shift = 4 * (i % 8);
+ u32 r_mask = 0x1f << r_shift;
+ u32 c_mask = 0xf << c_shift;
+ u32 r_offs = i / 6;
+ u32 c_offs = i / 8;
+
+ row_cfg = readl(&kbc->row_cfg[r_offs]);
+ col_cfg = readl(&kbc->col_cfg[c_offs]);
+
+ row_cfg &= ~r_mask;
+ col_cfg &= ~c_mask;
+
+ if (i < config.matrix.num_rows) {
+ row_cfg |= ((i << 1) | 1) << r_shift;
+ } else {
+ col_cfg |= (((i - config.matrix.num_rows) << 1) | 1)
+ << c_shift;
+ }
+
+ writel(row_cfg, &kbc->row_cfg[r_offs]);
+ writel(col_cfg, &kbc->col_cfg[c_offs]);
+ }
+}
+
+/**
+ * Start up the keyboard device
+ */
+static void tegra_kbc_open(void)
+{
+ struct kbc_tegra *kbc = config.kbc;
+ unsigned int scan_period;
+ u32 val;
+
+ /*
+ * We will scan at twice the keyboard repeat rate, so that there is
+ * always a scan ready when we check it in check_for_keys().
+ */
+ scan_period = KBC_REPEAT_RATE_MS / 2;
+ writel(scan_period * KBC_CLOCK_KHZ, &kbc->rpt_dly);
+ writel(scan_period * KBC_CLOCK_KHZ, &kbc->init_dly);
+ /*
+ * Before reading from the keyboard we must wait for the init_dly
+ * plus the rpt_delay, plus 2ms for the row scan time.
+ */
+ config.init_dly_ms = scan_period * 2 + 2;
+
+ val = KBC_DEBOUNCE_COUNT << KBC_DEBOUNCE_CNT_SHIFT;
+ val |= 1 << KBC_FIFO_TH_CNT_SHIFT; /* fifo interrupt threshold */
+ val |= KBC_CONTROL_KBC_EN; /* enable */
+ writel(val, &kbc->control);
+
+ config.start_time_ms = get_timer(0);
+ config.last_poll_ms = config.next_repeat_ms = get_timer(0);
+ config.first_scan = 1;
+}
+
+/**
+ * Set up the tegra keyboard. This is called by the stdio device handler
+ *
+ * We want to do this init when the keyboard is actually used rather than
+ * at start-up, since keyboard input may not currently be selected.
+ *
+ * Once the keyboard starts there will be a period during which we must
+ * wait for the keyboard to init. We do this only when a key is first
+ * read - see kbd_wait_for_fifo_init().
+ *
+ * @return 0 if ok, -ve on error
+ */
+static int init_tegra_keyboard(void)
+{
+ /* check if already created */
+ if (config.created)
+ return 0;
+
+#ifdef CONFIG_OF_CONTROL
+ int node;
+
+ node = fdtdec_next_compatible(gd->fdt_blob, 0,
+ COMPAT_NVIDIA_TEGRA20_KBC);
+ if (node < 0) {
+ debug("%s: cannot locate keyboard node\n", __func__);
+ return node;
+ }
+ config.kbc = (struct kbc_tegra *)fdtdec_get_addr(gd->fdt_blob,
+ node, "reg");
+ if ((fdt_addr_t)config.kbc == FDT_ADDR_T_NONE) {
+ debug("%s: No keyboard register found\n", __func__);
+ return -1;
+ }
+ input_set_delays(&config.input, KBC_REPEAT_DELAY_MS,
+ KBC_REPEAT_RATE_MS);
+
+ /* Decode the keyboard matrix information (16 rows, 8 columns) */
+ if (key_matrix_init(&config.matrix, 16, 8, 1)) {
+ debug("%s: Could not init key matrix\n", __func__);
+ return -1;
+ }
+ if (key_matrix_decode_fdt(&config.matrix, gd->fdt_blob, node)) {
+ debug("%s: Could not decode key matrix from fdt\n", __func__);
+ return -1;
+ }
+ if (config.matrix.fn_keycode) {
+ if (input_add_table(&config.input, KEY_FN, -1,
+ config.matrix.fn_keycode,
+ config.matrix.key_count))
+ return -1;
+ }
+#else
+#error "Tegra keyboard driver requires FDT definitions"
+#endif
+
+ /* Set up pin mux and enable the clock */
+ funcmux_select(PERIPH_ID_KBC, FUNCMUX_DEFAULT);
+ clock_enable(PERIPH_ID_KBC);
+ config_kbc_gpio(config.kbc);
+
+ tegra_kbc_open();
+ config.created = 1;
+ debug("%s: Tegra keyboard ready\n", __func__);
+
+ return 0;
+}
+
+int drv_keyboard_init(void)
+{
+ struct stdio_dev dev;
+ char *stdinname = getenv("stdin");
+ int error;
+
+ if (input_init(&config.input, 0)) {
+ debug("%s: Cannot set up input\n", __func__);
+ return -1;
+ }
+ config.input.read_keys = tegra_kbc_check;
+
+ memset(&dev, '\0', sizeof(dev));
+ strcpy(dev.name, "tegra-kbc");
+ dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+ dev.getc = kbd_getc;
+ dev.tstc = kbd_tstc;
+ dev.start = init_tegra_keyboard;
+
+ /* Register the device. init_tegra_keyboard() will be called soon */
+ error = input_stdio_register(&dev);
+ if (error)
+ return error;
+#ifdef CONFIG_CONSOLE_MUX
+ error = iomux_doenv(stdin, stdinname);
+ if (error)
+ return error;
+#endif
+ return 0;
+}