1 files changed, 0 insertions, 208 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/console/hsu.c b/c/src/lib/libbsp/arm/lpc32xx/console/hsu.c
deleted file mode 100644
index b2044e0753..0000000000
--- a/c/src/lib/libbsp/arm/lpc32xx/console/hsu.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/**
- * @file
- *
- * @ingroup arm_lpc32xx
- *
- * @brief High speed UART driver (14-clock).
- */
-
-/*
- * Copyright (c) 2010-2014 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Dornierstr. 4
- *  82178 Puchheim
- *  Germany
- *  <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <bsp.h>
-#include <bsp/lpc32xx.h>
-#include <bsp/irq.h>
-#include <bsp/hsu.h>
-
-#define HSU_FIFO_SIZE 64
-
-#define HSU_LEVEL_RX_MASK 0xffU
-#define HSU_LEVEL_TX_MASK 0xff00U
-#define HSU_LEVEL_TX_SHIFT 8
-
-#define HSU_RX_DATA_MASK 0xffU
-#define HSU_RX_EMPTY (1U << 8)
-#define HSU_RX_ERROR (1U << 9)
-#define HSU_RX_BREAK (1U << 10)
-
-#define HSU_IIR_TX (1U << 0)
-#define HSU_IIR_RX_TRIG (1U << 1)
-#define HSU_IIR_RX_TIMEOUT (1U << 2)
-
-#define HSU_CTRL_INTR_DISABLED 0x1280fU
-#define HSU_CTRL_RX_INTR_ENABLED 0x1284fU
-#define HSU_CTRL_RX_AND_TX_INTR_ENABLED 0x1286fU
-
-/* We are interested in RX timeout, RX trigger and TX trigger interrupts */
-#define HSU_IIR_MASK 0x7U
-
-bool lpc32xx_hsu_probe(rtems_termios_device_context *base)
-{
-  lpc32xx_hsu_context *ctx = (lpc32xx_hsu_context *) base;
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-
-  hsu->ctrl = HSU_CTRL_INTR_DISABLED;
-
-  /* Drain FIFOs */
-  while (hsu->level != 0) {
-    hsu->fifo;
-  }
-
-  return true;
-}
-
-static void lpc32xx_hsu_interrupt_handler(void *arg)
-{
-  rtems_termios_tty *tty = arg;
-  lpc32xx_hsu_context *ctx = rtems_termios_get_device_context(tty);
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-
-  /* Iterate until no more interrupts are pending */
-  do {
-    int rv = 0;
-    int i = 0;
-    char buf [HSU_FIFO_SIZE];
-
-    /* Enqueue received characters */
-    while (i < HSU_FIFO_SIZE) {
-      uint32_t in = hsu->fifo;
-
-      if ((in & HSU_RX_EMPTY) == 0) {
-        if ((in & HSU_RX_BREAK) == 0) {
-          buf [i] = in & HSU_RX_DATA_MASK;
-          ++i;
-        }
-      } else {
-        break;
-      }
-    }
-    rtems_termios_enqueue_raw_characters(tty, buf, i);
-
-    /* Dequeue transmitted characters */
-    rv = rtems_termios_dequeue_characters(tty, (int) ctx->chars_in_transmission);
-    if (rv == 0) {
-      /* Nothing to transmit */
-    }
-  } while ((hsu->iir & HSU_IIR_MASK) != 0);
-}
-
-static bool lpc32xx_hsu_first_open(
-  struct rtems_termios_tty *tty,
-  rtems_termios_device_context *base,
-  struct termios *term,
-  rtems_libio_open_close_args_t *args
-)
-{
-  lpc32xx_hsu_context *ctx = (lpc32xx_hsu_context *) base;
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-  rtems_status_code sc;
-  bool ok;
-
-  sc = rtems_interrupt_handler_install(
-    ctx->irq,
-    "HSU",
-    RTEMS_INTERRUPT_UNIQUE,
-    lpc32xx_hsu_interrupt_handler,
-    tty
-  );
-  ok = sc == RTEMS_SUCCESSFUL;
-
-  if (ok) {
-    rtems_termios_set_initial_baud(tty, ctx->initial_baud);
-    hsu->ctrl = HSU_CTRL_RX_INTR_ENABLED;
-  }
-
-  return ok;
-}
-
-static void lpc32xx_hsu_last_close(
-  struct rtems_termios_tty *tty,
-  rtems_termios_device_context *base,
-  rtems_libio_open_close_args_t *args
-)
-{
-  lpc32xx_hsu_context *ctx = (lpc32xx_hsu_context *) base;
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-
-  hsu->ctrl = HSU_CTRL_INTR_DISABLED;
-
-  rtems_interrupt_handler_remove(
-    ctx->irq,
-    lpc32xx_hsu_interrupt_handler,
-    tty
-  );
-}
-
-static void lpc32xx_hsu_write(
-  rtems_termios_device_context *base,
-  const char *buf,
-  size_t len
-)
-{
-  lpc32xx_hsu_context *ctx = (lpc32xx_hsu_context *) base;
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-  size_t tx_level = (hsu->level & HSU_LEVEL_TX_MASK) >> HSU_LEVEL_TX_SHIFT;
-  size_t tx_free = HSU_FIFO_SIZE - tx_level;
-  size_t i = 0;
-  size_t out = len > tx_free ? tx_free : len;
-
-  for (i = 0; i < out; ++i) {
-    hsu->fifo = buf [i];
-  }
-
-  ctx->chars_in_transmission = out;
-
-  if (len > 0) {
-    hsu->ctrl = HSU_CTRL_RX_AND_TX_INTR_ENABLED;
-  } else {
-    hsu->ctrl = HSU_CTRL_RX_INTR_ENABLED;
-    hsu->iir = HSU_IIR_TX;
-  }
-}
-
-static bool lpc32xx_hsu_set_attributes(
-  rtems_termios_device_context *base,
-  const struct termios *term
-)
-{
-  lpc32xx_hsu_context *ctx = (lpc32xx_hsu_context *) base;
-  volatile lpc32xx_hsu *hsu = ctx->hsu;
-  int baud_flags = term->c_ospeed;
-
-  if (baud_flags != 0) {
-    int32_t baud = rtems_termios_baud_to_number(baud_flags);
-
-    if (baud > 0) {
-      uint32_t baud_divisor = 14 * (uint32_t) baud;
-      uint32_t rate = LPC32XX_PERIPH_CLK / baud_divisor;
-      uint32_t remainder = LPC32XX_PERIPH_CLK - rate * baud_divisor;
-
-      if (2 * remainder >= baud_divisor) {
-        ++rate;
-      }
-
-      hsu->rate = rate - 1;
-    }
-  }
-
-  return true;
-}
-
-const rtems_termios_device_handler lpc32xx_hsu_fns = {
-  .first_open = lpc32xx_hsu_first_open,
-  .last_close = lpc32xx_hsu_last_close,
-  .write = lpc32xx_hsu_write,
-  .set_attributes = lpc32xx_hsu_set_attributes,
-  .mode = TERMIOS_IRQ_DRIVEN
-};