1 files changed, 109 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/bfin/serial/spi.c b/c/src/lib/libcpu/bfin/serial/spi.c
new file mode 100644
index 0000000000..42c2a5250f
--- /dev/null
+++ b/c/src/lib/libcpu/bfin/serial/spi.c
@@ -0,0 +1,109 @@
+/* placeholder (just a shell) */
+
+/*  SPI driver for Blackfin
+ * 
+ *  Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA
+ *             written by Allan Hessenflow <allanh@kallisti.com>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+ 
+
+#include <stdlib.h>
+#include <rtems.h>
+#include <rtems/libi2c.h>
+
+#include <libcpu/spiRegs.h>
+#include "spi.h"
+
+
+static rtems_status_code spiInit(rtems_libi2c_bus_t *bus) {
+  bfin_spi_softc_t *softc;
+  rtems_status_code status;
+
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  status = rtems_semaphore_create(rtems_build_name('s','p','i','s'),
+                                  0,
+                                  RTEMS_FIFO | RTEMS_SIMPLE_BINARY_SEMAPHORE,
+                                  0,
+                                  &softc->irq_sema_id);
+
+  return status;
+}
+
+static rtems_status_code spiSendStart(rtems_libi2c_bus_t *bus) {
+  bfin_spi_softc_t *softc;
+  rtems_status_code status;
+
+  status = RTEMS_SUCCESSFUL;
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  return status;
+}
+
+static rtems_status_code spiSendStop(rtems_libi2c_bus_t *bus) {
+  bfin_spi_softc_t *softc;
+  rtems_status_code status;
+
+  status = RTEMS_SUCCESSFUL;
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  return status;
+}
+
+static rtems_status_code spiSendAddr(rtems_libi2c_bus_t *bus,
+                                     uint32_t addr, int rw) {
+  bfin_spi_softc_t *softc;
+  rtems_status_code status;
+
+  status = RTEMS_SUCCESSFUL;
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  return status;
+}
+
+static int spiReadBytes(rtems_libi2c_bus_t *bus,
+                        unsigned char *buf, int len) {
+  bfin_spi_softc_t *softc;
+
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  return 0;
+}
+
+static int spiWriteBytes(rtems_libi2c_bus_t *bus,
+                         unsigned char *buf, int len) {
+  bfin_spi_softc_t *softc;
+
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+  return 0;
+}
+
+static int spiIoctl(rtems_libi2c_bus_t *bus, int cmd, void *arg) {
+  bfin_spi_softc_t *softc;
+
+  softc = &(((bfin_spi_desc_t *)(bus))->softc);
+
+
+  return 0;
+}
+
+void bfin_spi_isr(int source) {
+}
+
+rtems_libi2c_bus_ops_t bfin_spi_libi2c_bus_ops = {
+  init: spiInit,
+  send_start: spiSendStart,
+  send_stop: spiSendStop,
+  send_addr: spiSendAddr,
+  read_bytes: spiReadBytes,
+  write_bytes: spiWriteBytes,
+  ioctl: spiIoctl
+};
+