bsp/zynq-uart: Move Zynq UART driver to shared directory

This driver will be shared with the xilinx-zynqmp BSP.

Update #3682.

4 files changed, 0 insertions, 571 deletions

diff --git a/bsps/arm/xilinx-zynq/console/zynq-uart.c b/bsps/arm/xilinx-zynq/console/zynq-uart.c
deleted file mode 100644
index 92a8c86009..0000000000
--- a/bsps/arm/xilinx-zynq/console/zynq-uart.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (C) 2013, 2017 embedded brains GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <bsp/zynq-uart.h>
-#include <bsp/zynq-uart-regs.h>
-#include <bsp/irq.h>
-
-#include <bspopts.h>
-
-/*
- * Make weak and let the user override.
- */
-uint32_t zynq_uart_input_clock(void) __attribute__ ((weak));
-
-uint32_t zynq_uart_input_clock(void)
-{
-  return ZYNQ_CLOCK_UART;
-}
-
-static int zynq_cal_baud_rate(uint32_t  baudrate,
-                              uint32_t* brgr,
-                              uint32_t* bauddiv,
-                              uint32_t  modereg)
-{
-  uint32_t brgr_value;    /* Calculated value for baud rate generator */
-  uint32_t calcbaudrate;  /* Calculated baud rate */
-  uint32_t bauderror;     /* Diff between calculated and requested baud rate */
-  uint32_t best_error = 0xFFFFFFFF;
-  uint32_t percenterror;
-  uint32_t bdiv;
-  uint32_t inputclk = zynq_uart_input_clock();
-
-  /*
-   * Make sure the baud rate is not impossilby large.
-   * Fastest possible baud rate is Input Clock / 2.
-   */
-  if ((baudrate * 2) > inputclk) {
-    return -1;
-  }
-  /*
-   * Check whether the input clock is divided by 8
-   */
-  if(modereg & ZYNQ_UART_MODE_CLKS) {
-    inputclk = inputclk / 8;
-  }
-
-  /*
-   * Determine the Baud divider. It can be 4to 254.
-   * Loop through all possible combinations
-   */
-  for (bdiv = 4; bdiv < 255; bdiv++) {
-
-    /*
-     * Calculate the value for BRGR register
-     */
-    brgr_value = inputclk / (baudrate * (bdiv + 1));
-
-    /*
-     * Calculate the baud rate from the BRGR value
-     */
-    calcbaudrate = inputclk/ (brgr_value * (bdiv + 1));
-
-    /*
-     * Avoid unsigned integer underflow
-     */
-    if (baudrate > calcbaudrate) {
-      bauderror = baudrate - calcbaudrate;
-    }
-    else {
-      bauderror = calcbaudrate - baudrate;
-    }
-
-    /*
-     * Find the calculated baud rate closest to requested baud rate.
-     */
-    if (best_error > bauderror) {
-      *brgr = brgr_value;
-      *bauddiv = bdiv;
-      best_error = bauderror;
-    }
-  }
-
-  /*
-   * Make sure the best error is not too large.
-   */
-  percenterror = (best_error * 100) / baudrate;
-#define XUARTPS_MAX_BAUD_ERROR_RATE		 3	/* max % error allowed */
-  if (XUARTPS_MAX_BAUD_ERROR_RATE < percenterror) {
-    return -1;
-  }
-
-  return 0;
-}
-
-void zynq_uart_initialize(rtems_termios_device_context *base)
-{
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-  volatile zynq_uart *regs = ctx->regs;
-  uint32_t brgr = 0x3e;
-  uint32_t bauddiv = 0x6;
-
-  zynq_cal_baud_rate(ZYNQ_UART_DEFAULT_BAUD, &brgr, &bauddiv, regs->mode);
-
-  regs->control &= ~(ZYNQ_UART_CONTROL_RXEN | ZYNQ_UART_CONTROL_TXEN);
-  regs->control = ZYNQ_UART_CONTROL_RXDIS
-    | ZYNQ_UART_CONTROL_TXDIS
-    | ZYNQ_UART_CONTROL_RXRES
-    | ZYNQ_UART_CONTROL_TXRES;
-  regs->mode = ZYNQ_UART_MODE_CHMODE(ZYNQ_UART_MODE_CHMODE_NORMAL)
-    | ZYNQ_UART_MODE_PAR(ZYNQ_UART_MODE_PAR_NONE)
-    | ZYNQ_UART_MODE_CHRL(ZYNQ_UART_MODE_CHRL_8);
-  regs->baud_rate_gen = ZYNQ_UART_BAUD_RATE_GEN_CD(brgr);
-  regs->baud_rate_div = ZYNQ_UART_BAUD_RATE_DIV_BDIV(bauddiv);
-  regs->rx_fifo_trg_lvl = ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG(0);
-  regs->rx_timeout = ZYNQ_UART_RX_TIMEOUT_RTO(0);
-  regs->control = ZYNQ_UART_CONTROL_RXEN
-    | ZYNQ_UART_CONTROL_TXEN
-    | ZYNQ_UART_CONTROL_RSTTO;
-}
-
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-static void zynq_uart_interrupt(void *arg)
-{
-  rtems_termios_tty *tty = arg;
-  zynq_uart_context *ctx = rtems_termios_get_device_context(tty);
-  volatile zynq_uart *regs = ctx->regs;
-  uint32_t channel_sts;
-
-  if ((regs->irq_sts & (ZYNQ_UART_TIMEOUT | ZYNQ_UART_RTRIG)) != 0) {
-    regs->irq_sts = ZYNQ_UART_TIMEOUT | ZYNQ_UART_RTRIG;
-
-    do {
-      char c = (char) ZYNQ_UART_TX_RX_FIFO_FIFO_GET(regs->tx_rx_fifo);
-
-      rtems_termios_enqueue_raw_characters(tty, &c, 1);
-
-      channel_sts = regs->channel_sts;
-    } while ((channel_sts & ZYNQ_UART_CHANNEL_STS_REMPTY) == 0);
-  } else {
-    channel_sts = regs->channel_sts;
-  }
-
-  if (ctx->transmitting && (channel_sts & ZYNQ_UART_CHANNEL_STS_TEMPTY) != 0) {
-    rtems_termios_dequeue_characters(tty, 1);
-  }
-}
-#endif
-
-static bool zynq_uart_first_open(
-  rtems_termios_tty *tty,
-  rtems_termios_device_context *base,
-  struct termios *term,
-  rtems_libio_open_close_args_t *args
-)
-{
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-  volatile zynq_uart *regs = ctx->regs;
-  rtems_status_code sc;
-#endif
-
-  rtems_termios_set_initial_baud(tty, ZYNQ_UART_DEFAULT_BAUD);
-  zynq_uart_initialize(base);
-
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-  regs->rx_timeout = 32;
-  regs->rx_fifo_trg_lvl = ZYNQ_UART_FIFO_DEPTH / 2;
-  regs->irq_dis = 0xffffffff;
-  regs->irq_sts = 0xffffffff;
-  regs->irq_en = ZYNQ_UART_RTRIG | ZYNQ_UART_TIMEOUT;
-  sc = rtems_interrupt_handler_install(
-    ctx->irq,
-    "UART",
-    RTEMS_INTERRUPT_SHARED,
-    zynq_uart_interrupt,
-    tty
-  );
-  if (sc != RTEMS_SUCCESSFUL) {
-    return false;
-  }
-#endif
-
-  return true;
-}
-
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-static void zynq_uart_last_close(
-  rtems_termios_tty *tty,
-  rtems_termios_device_context *base,
-  rtems_libio_open_close_args_t *args
-)
-{
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-
-  rtems_interrupt_handler_remove(ctx->irq, zynq_uart_interrupt, tty);
-}
-#endif
-
-int zynq_uart_read_polled(rtems_termios_device_context *base)
-{
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-  volatile zynq_uart *regs = ctx->regs;
-
-  if ((regs->channel_sts & ZYNQ_UART_CHANNEL_STS_REMPTY) != 0) {
-    return -1;
-  } else {
-    return ZYNQ_UART_TX_RX_FIFO_FIFO_GET(regs->tx_rx_fifo);
-  }
-}
-
-void zynq_uart_write_polled(
-  rtems_termios_device_context *base,
-  char c
-)
-{
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-  volatile zynq_uart *regs = ctx->regs;
-
-  while ((regs->channel_sts & ZYNQ_UART_CHANNEL_STS_TFUL) != 0) {
-    /* Wait */
-  }
-
-  regs->tx_rx_fifo = ZYNQ_UART_TX_RX_FIFO_FIFO(c);
-}
-
-static void zynq_uart_write_support(
-  rtems_termios_device_context *base,
-  const char *buf,
-  size_t len
-)
-{
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-  zynq_uart_context *ctx = (zynq_uart_context *) base;
-  volatile zynq_uart *regs = ctx->regs;
-
-  if (len > 0) {
-    ctx->transmitting = true;
-    regs->irq_sts = ZYNQ_UART_TEMPTY;
-    regs->irq_en = ZYNQ_UART_TEMPTY;
-    regs->tx_rx_fifo = ZYNQ_UART_TX_RX_FIFO_FIFO(buf[0]);
-  } else {
-    ctx->transmitting = false;
-    regs->irq_dis = ZYNQ_UART_TEMPTY;
-  }
-#else
-  ssize_t i;
-
-  for (i = 0; i < len; ++i) {
-    zynq_uart_write_polled(base, buf[i]);
-  }
-#endif
-}
-
-static bool zynq_uart_set_attributes(
-  rtems_termios_device_context *context,
-  const struct termios *term
-)
-{
-#if 0
-  volatile zynq_uart *regs = zynq_uart_get_regs(minor);
-  uint32_t brgr = 0;
-  uint32_t bauddiv = 0;
-  int rc;
-
-  rc = zynq_cal_baud_rate(115200, &brgr, &bauddiv, regs->mode);
-  if (rc != 0)
-    return rc;
-
-  regs->control &= ~(ZYNQ_UART_CONTROL_RXEN | ZYNQ_UART_CONTROL_TXEN);
-  regs->baud_rate_gen = ZYNQ_UART_BAUD_RATE_GEN_CD(brgr);
-  regs->baud_rate_div = ZYNQ_UART_BAUD_RATE_DIV_BDIV(bauddiv);
-  regs->control |= ZYNQ_UART_CONTROL_RXEN | ZYNQ_UART_CONTROL_TXEN;
-
-  return true;
-#else
-  return false;
-#endif
-}
-
-const rtems_termios_device_handler zynq_uart_handler = {
-  .first_open = zynq_uart_first_open,
-  .set_attributes = zynq_uart_set_attributes,
-  .write = zynq_uart_write_support,
-#ifdef ZYNQ_CONSOLE_USE_INTERRUPTS
-  .last_close = zynq_uart_last_close,
-  .mode = TERMIOS_IRQ_DRIVEN
-#else
-  .poll_read = zynq_uart_read_polled,
-  .mode = TERMIOS_POLLED
-#endif
-};
-
-void zynq_uart_reset_tx_flush(zynq_uart_context *ctx)
-{
-  volatile zynq_uart *regs = ctx->regs;
-  int                 c = 4;
-
-  while (c-- > 0)
-    zynq_uart_write_polled(&ctx->base, '\r');
-
-  while ((regs->channel_sts & ZYNQ_UART_CHANNEL_STS_TEMPTY) == 0) {
-    /* Wait */
-  }
-}
diff --git a/bsps/arm/xilinx-zynq/headers.am b/bsps/arm/xilinx-zynq/headers.am
index 708bd6411a..47738c62be 100644
--- a/bsps/arm/xilinx-zynq/headers.am
+++ b/bsps/arm/xilinx-zynq/headers.am
@@ -11,5 +11,3 @@ include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/cadenc
 include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/cadence-i2c.h
 include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/i2c.h
 include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/irq.h
-include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/zynq-uart-regs.h
-include_bsp_HEADERS += ../../../../../../bsps/arm/xilinx-zynq/include/bsp/zynq-uart.h
diff --git a/bsps/arm/xilinx-zynq/include/bsp/zynq-uart-regs.h b/bsps/arm/xilinx-zynq/include/bsp/zynq-uart-regs.h
deleted file mode 100644
index 8b6e7d513b..0000000000
--- a/bsps/arm/xilinx-zynq/include/bsp/zynq-uart-regs.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/**
- * @file
- * @ingroup zynq_uart_regs
- * @brief UART register definitions.
- */
-
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (C) 2013 embedded brains GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/**
- * @defgroup zynq_uart_regs UART Register Definitions
- * @ingroup zynq_uart
- * @brief UART Register Definitions
- * @{
- */
-
-#ifndef LIBBSP_ARM_XILINX_ZYNQ_UART_REGS_H
-#define LIBBSP_ARM_XILINX_ZYNQ_UART_REGS_H
-
-#include <bsp/utility.h>
-
-#define ZYNQ_UART_FIFO_DEPTH 64
-
-typedef struct zynq_uart {
-	uint32_t control;
-#define ZYNQ_UART_CONTROL_STPBRK BSP_BIT32(8)
-#define ZYNQ_UART_CONTROL_STTBRK BSP_BIT32(7)
-#define ZYNQ_UART_CONTROL_RSTTO BSP_BIT32(6)
-#define ZYNQ_UART_CONTROL_TXDIS BSP_BIT32(5)
-#define ZYNQ_UART_CONTROL_TXEN BSP_BIT32(4)
-#define ZYNQ_UART_CONTROL_RXDIS BSP_BIT32(3)
-#define ZYNQ_UART_CONTROL_RXEN BSP_BIT32(2)
-#define ZYNQ_UART_CONTROL_TXRES BSP_BIT32(1)
-#define ZYNQ_UART_CONTROL_RXRES BSP_BIT32(0)
-	uint32_t mode;
-#define ZYNQ_UART_MODE_CHMODE(val) BSP_FLD32(val, 8, 9)
-#define ZYNQ_UART_MODE_CHMODE_GET(reg) BSP_FLD32GET(reg, 8, 9)
-#define ZYNQ_UART_MODE_CHMODE_SET(reg, val) BSP_FLD32SET(reg, val, 8, 9)
-#define ZYNQ_UART_MODE_CHMODE_NORMAL 0x00U
-#define ZYNQ_UART_MODE_CHMODE_AUTO_ECHO 0x01U
-#define ZYNQ_UART_MODE_CHMODE_LOCAL_LOOPBACK 0x02U
-#define ZYNQ_UART_MODE_CHMODE_REMOTE_LOOPBACK 0x03U
-#define ZYNQ_UART_MODE_NBSTOP(val) BSP_FLD32(val, 6, 7)
-#define ZYNQ_UART_MODE_NBSTOP_GET(reg) BSP_FLD32GET(reg, 6, 7)
-#define ZYNQ_UART_MODE_NBSTOP_SET(reg, val) BSP_FLD32SET(reg, val, 6, 7)
-#define ZYNQ_UART_MODE_NBSTOP_STOP_1 0x00U
-#define ZYNQ_UART_MODE_NBSTOP_STOP_1_5 0x01U
-#define ZYNQ_UART_MODE_NBSTOP_STOP_2 0x02U
-#define ZYNQ_UART_MODE_PAR(val) BSP_FLD32(val, 3, 5)
-#define ZYNQ_UART_MODE_PAR_GET(reg) BSP_FLD32GET(reg, 3, 5)
-#define ZYNQ_UART_MODE_PAR_SET(reg, val) BSP_FLD32SET(reg, val, 3, 5)
-#define ZYNQ_UART_MODE_PAR_EVEN 0x00U
-#define ZYNQ_UART_MODE_PAR_ODD 0x01U
-#define ZYNQ_UART_MODE_PAR_SPACE 0x02U
-#define ZYNQ_UART_MODE_PAR_MARK 0x03U
-#define ZYNQ_UART_MODE_PAR_NONE 0x04U
-#define ZYNQ_UART_MODE_CHRL(val) BSP_FLD32(val, 1, 2)
-#define ZYNQ_UART_MODE_CHRL_GET(reg) BSP_FLD32GET(reg, 1, 2)
-#define ZYNQ_UART_MODE_CHRL_SET(reg, val) BSP_FLD32SET(reg, val, 1, 2)
-#define ZYNQ_UART_MODE_CHRL_8 0x00U
-#define ZYNQ_UART_MODE_CHRL_7 0x02U
-#define ZYNQ_UART_MODE_CHRL_6 0x03U
-#define ZYNQ_UART_MODE_CLKS BSP_BIT32(0)
-	uint32_t irq_en;
-	uint32_t irq_dis;
-	uint32_t irq_mask;
-	uint32_t irq_sts;
-#define ZYNQ_UART_TOVR BSP_BIT32(12)
-#define ZYNQ_UART_TNFUL BSP_BIT32(11)
-#define ZYNQ_UART_TTRIG BSP_BIT32(10)
-#define ZYNQ_UART_DMSI BSP_BIT32(9)
-#define ZYNQ_UART_TIMEOUT BSP_BIT32(8)
-#define ZYNQ_UART_PARE BSP_BIT32(7)
-#define ZYNQ_UART_FRAME BSP_BIT32(6)
-#define ZYNQ_UART_ROVR BSP_BIT32(5)
-#define ZYNQ_UART_TFUL BSP_BIT32(4)
-#define ZYNQ_UART_TEMPTY BSP_BIT32(3)
-#define ZYNQ_UART_RFUL BSP_BIT32(2)
-#define ZYNQ_UART_REMPTY BSP_BIT32(1)
-#define ZYNQ_UART_RTRIG BSP_BIT32(0)
-	uint32_t baud_rate_gen;
-#define ZYNQ_UART_BAUD_RATE_GEN_CD(val) BSP_FLD32(val, 0, 15)
-#define ZYNQ_UART_BAUD_RATE_GEN_CD_GET(reg) BSP_FLD32GET(reg, 0, 15)
-#define ZYNQ_UART_BAUD_RATE_GEN_CD_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
-	uint32_t rx_timeout;
-#define ZYNQ_UART_RX_TIMEOUT_RTO(val) BSP_FLD32(val, 0, 7)
-#define ZYNQ_UART_RX_TIMEOUT_RTO_GET(reg) BSP_FLD32GET(reg, 0, 7)
-#define ZYNQ_UART_RX_TIMEOUT_RTO_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)
-	uint32_t rx_fifo_trg_lvl;
-#define ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG(val) BSP_FLD32(val, 0, 5)
-#define ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG_GET(reg) BSP_FLD32GET(reg, 0, 5)
-#define ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)
-	uint32_t modem_ctrl;
-#define ZYNQ_UART_MODEM_CTRL_FCM BSP_BIT32(5)
-#define ZYNQ_UART_MODEM_CTRL_RTS BSP_BIT32(1)
-#define ZYNQ_UART_MODEM_CTRL_DTR BSP_BIT32(0)
-	uint32_t modem_sts;
-#define ZYNQ_UART_MODEM_STS_FCMS BSP_BIT32(8)
-#define ZYNQ_UART_MODEM_STS_DCD BSP_BIT32(7)
-#define ZYNQ_UART_MODEM_STS_RI BSP_BIT32(6)
-#define ZYNQ_UART_MODEM_STS_DSR BSP_BIT32(5)
-#define ZYNQ_UART_MODEM_STS_CTS BSP_BIT32(4)
-#define ZYNQ_UART_MODEM_STS_DDCD BSP_BIT32(3)
-#define ZYNQ_UART_MODEM_STS_TERI BSP_BIT32(2)
-#define ZYNQ_UART_MODEM_STS_DDSR BSP_BIT32(1)
-#define ZYNQ_UART_MODEM_STS_DCTS BSP_BIT32(0)
-	uint32_t channel_sts;
-#define ZYNQ_UART_CHANNEL_STS_TNFUL BSP_BIT32(14)
-#define ZYNQ_UART_CHANNEL_STS_TTRIG BSP_BIT32(13)
-#define ZYNQ_UART_CHANNEL_STS_FDELT BSP_BIT32(12)
-#define ZYNQ_UART_CHANNEL_STS_TACTIVE BSP_BIT32(11)
-#define ZYNQ_UART_CHANNEL_STS_RACTIVE BSP_BIT32(10)
-#define ZYNQ_UART_CHANNEL_STS_TFUL BSP_BIT32(4)
-#define ZYNQ_UART_CHANNEL_STS_TEMPTY BSP_BIT32(3)
-#define ZYNQ_UART_CHANNEL_STS_RFUL BSP_BIT32(2)
-#define ZYNQ_UART_CHANNEL_STS_REMPTY BSP_BIT32(1)
-#define ZYNQ_UART_CHANNEL_STS_RTRIG BSP_BIT32(0)
-	uint32_t tx_rx_fifo;
-#define ZYNQ_UART_TX_RX_FIFO_FIFO(val) BSP_FLD32(val, 0, 7)
-#define ZYNQ_UART_TX_RX_FIFO_FIFO_GET(reg) BSP_FLD32GET(reg, 0, 7)
-#define ZYNQ_UART_TX_RX_FIFO_FIFO_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)
-	uint32_t baud_rate_div;
-#define ZYNQ_UART_BAUD_RATE_DIV_BDIV(val) BSP_FLD32(val, 0, 7)
-#define ZYNQ_UART_BAUD_RATE_DIV_BDIV_GET(reg) BSP_FLD32GET(reg, 0, 7)
-#define ZYNQ_UART_BAUD_RATE_DIV_BDIV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)
-	uint32_t flow_delay;
-#define ZYNQ_UART_FLOW_DELAY_FDEL(val) BSP_FLD32(val, 0, 5)
-#define ZYNQ_UART_FLOW_DELAY_FDEL_GET(reg) BSP_FLD32GET(reg, 0, 5)
-#define ZYNQ_UART_FLOW_DELAY_FDEL_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)
-	uint32_t reserved_3c[2];
-	uint32_t tx_fifo_trg_lvl;
-#define ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG(val) BSP_FLD32(val, 0, 5)
-#define ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG_GET(reg) BSP_FLD32GET(reg, 0, 5)
-#define ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5)
-} zynq_uart;
-
-/** @} */
-
-#endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_REGS_H */
diff --git a/bsps/arm/xilinx-zynq/include/bsp/zynq-uart.h b/bsps/arm/xilinx-zynq/include/bsp/zynq-uart.h
deleted file mode 100644
index 20c3c9b653..0000000000
--- a/bsps/arm/xilinx-zynq/include/bsp/zynq-uart.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
- * @file
- * @ingroup zynq_uart
- * @brief UART support.
- */
-
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (C) 2013, XXX embedded brains GmbH
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef LIBBSP_ARM_XILINX_ZYNQ_UART_H
-#define LIBBSP_ARM_XILINX_ZYNQ_UART_H
-
-#include <rtems/termiostypes.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/**
- * @defgroup zynq_uart UART Support
- * @ingroup RTEMSBSPsARMZynq
- * @brief UART Support
- */
-
-typedef struct {
-  rtems_termios_device_context base;
-  volatile struct zynq_uart *regs;
-  bool transmitting;
-  rtems_vector_number irq;
-} zynq_uart_context;
-
-extern const rtems_termios_device_handler zynq_uart_handler;
-
-#define ZYNQ_UART_DEFAULT_BAUD 115200
-
-void zynq_uart_initialize(rtems_termios_device_context *base);
-
-int zynq_uart_read_polled(rtems_termios_device_context *base);
-
-void zynq_uart_write_polled(
-  rtems_termios_device_context *base,
-  char c
-);
-
-/**
-  * Flush TX FIFO and wait until it is empty. Used in bsp_reset.
-  */
-void zynq_uart_reset_tx_flush(zynq_uart_context *ctx);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_H */