1 files changed, 0 insertions, 167 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/console/usart.c b/c/src/lib/libbsp/arm/raspberrypi/console/usart.c
deleted file mode 100644
index 25fb523621..0000000000
--- a/c/src/lib/libbsp/arm/raspberrypi/console/usart.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/**
- * @file
- *
- * @ingroup raspberrypi_usart
- *
- * @brief USART support.
- */
-
-/*
- * Copyright (c) 2013 Alan Cudmore
- *
- *  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 <libchip/sersupp.h>
-
-#include <bsp.h>
-#include <bsp/irq.h>
-#include <bsp/usart.h>
-#include <bsp/raspberrypi.h>
-#include <rtems/bspIo.h>
-
-static void usart_delay(uint32_t n)
-{
- volatile uint32_t i = 0;
-
- for(i = 0; i < n; i++)
-   ;
-}
-
-#if 0
-/*
- *  These will be useful when the driver supports interrupt driven IO.
- */
-static rtems_vector_number usart_get_irq_number(const console_tbl *ct)
-{
-  return ct->ulIntVector;
-}
-
-static uint32_t usart_get_baud(const console_tbl *ct)
-{
-  return ct->ulClock;
-}
-#endif
-
-static void usart_set_baud(int minor, int baud)
-{
- /*
-  * Nothing for now
-  */
- return;
-}
-
-static void usart_initialize(int minor)
-{
-  unsigned int gpio_reg;
-
-  /*
-  ** Program GPIO pins for UART 0
-  */
-  gpio_reg = BCM2835_REG(BCM2835_GPIO_GPFSEL1);
-  gpio_reg &= ~(7<<12);    /* gpio14 */
-  gpio_reg |=  (4<<12);    /* alt0   */
-  gpio_reg &= ~(7<<15);    /* gpio15 */
-  gpio_reg |=  (4<<15);    /* alt0   */
-  BCM2835_REG(BCM2835_GPIO_GPFSEL1) = gpio_reg;
-
-  BCM2835_REG(BCM2835_GPIO_GPPUD) = 0;
-  usart_delay(150);
-  BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = (1<<14)|(1<<15);
-  usart_delay(150);
-  BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = 0;
-
-  /*
-  ** Init the PL011 UART
-  */
-  BCM2835_REG(BCM2835_UART0_CR)   = 0;
-  BCM2835_REG(BCM2835_UART0_ICR)  = 0x7FF;
-  BCM2835_REG(BCM2835_UART0_IMSC) = 0;
-  BCM2835_REG(BCM2835_UART0_IBRD) = 1;
-  BCM2835_REG(BCM2835_UART0_FBRD) = 40;
-  BCM2835_REG(BCM2835_UART0_LCRH) = 0x70;
-  BCM2835_REG(BCM2835_UART0_RSRECR) =  0;
-
-  BCM2835_REG(BCM2835_UART0_CR)   = 0x301;
-
-  BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_RX;
-
-  usart_set_baud(minor, 115000);
-}
-
-static int usart_first_open(int major, int minor, void *arg)
-{
-  rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *) arg;
-  struct rtems_termios_tty *tty = (struct rtems_termios_tty *) oc->iop->data1;
-  const console_tbl *ct = Console_Port_Tbl [minor];
-  console_data *cd = &Console_Port_Data [minor];
-
-  cd->termios_data = tty;
-  rtems_termios_set_initial_baud(tty, ct->ulClock);
-
-  return 0;
-}
-
-static int usart_last_close(int major, int minor, void *arg)
-{
-  return 0;
-}
-
-static int usart_read_polled(int minor)
-{
-  if (minor == 0) {
-    if (((BCM2835_REG(BCM2835_UART0_FR)) & BCM2835_UART0_FR_RXFE) == 0) {
-       return((BCM2835_REG(BCM2835_UART0_DR)) & 0xFF );
-    } else {
-      return -1;
-    }
-  } else {
-    printk("Unknown console minor number: %d\n", minor);
-    return -1;
-  }
-}
-
-static void usart_write_polled(int minor, char c)
-{
-   while (1) {
-     if ((BCM2835_REG(BCM2835_UART0_FR) & BCM2835_UART0_FR_TXFF) == 0)
-       break;
-   }
-   BCM2835_REG(BCM2835_UART0_DR) = c;
-}
-
-static ssize_t usart_write_support_polled(
-  int minor,
-  const char *s,
-  size_t n
-)
-{
-  ssize_t i = 0;
-
-  for (i = 0; i < n; ++i) {
-    usart_write_polled(minor, s [i]);
-  }
-
-  return n;
-}
-
-static int usart_set_attributes(int minor, const struct termios *term)
-{
-  return -1;
-}
-
-const console_fns bcm2835_usart_fns = {
-  .deviceProbe = libchip_serial_default_probe,
-  .deviceFirstOpen = usart_first_open,
-  .deviceLastClose = usart_last_close,
-  .deviceRead = usart_read_polled,
-  .deviceWrite = usart_write_support_polled,
-  .deviceInitialize = usart_initialize,
-  .deviceWritePolled = usart_write_polled,
-  .deviceSetAttributes = usart_set_attributes,
-  .deviceOutputUsesInterrupts = false
-};