diff --git a/bsps/powerpc/tqm8xx/clock/p_clock.c b/bsps/powerpc/tqm8xx/clock/p_clock.c
index 84156bed74..206d2f7d8b 100644
--- a/bsps/powerpc/tqm8xx/clock/p_clock.c
+++ b/bsps/powerpc/tqm8xx/clock/p_clock.c
@@ -46,6 +46,8 @@ int BSP_disconnect_clock_handler (void)
 
 int BSP_connect_clock_handler (rtems_irq_hdl hdl)
 {
+  (void) hdl;
+
   rtems_status_code sc;
   /*
    * install interrupt handler
diff --git a/bsps/powerpc/tqm8xx/console/console.c b/bsps/powerpc/tqm8xx/console/console.c
index 9edf34c702..e1dbbe338a 100644
--- a/bsps/powerpc/tqm8xx/console/console.c
+++ b/bsps/powerpc/tqm8xx/console/console.c
@@ -836,6 +836,9 @@ static bool m8xx_console_first_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) term;
+  (void) args;
+
   m8xx_console_chan_desc_t *cd = (m8xx_console_chan_desc_t *)base;
 
   if (cd->mode == TERMIOS_IRQ_DRIVEN) {
@@ -877,10 +880,14 @@ static const rtems_termios_device_handler m8xx_console_handler_irq_driven = {
  * Initialize and register the device
  */
 rtems_device_driver console_initialize(rtems_device_major_number  major,
-				       rtems_device_minor_number  minor,/* ignored */
+				       rtems_device_minor_number  minor,
 				       void                      *arg
 				       )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   rtems_status_code status = RTEMS_SUCCESSFUL;
   int entry,ttynum;
   char tty_name[] = "/dev/tty00";
diff --git a/bsps/powerpc/tqm8xx/irq/irq.c b/bsps/powerpc/tqm8xx/irq/irq.c
index aeee5b2a35..a76f12e291 100644
--- a/bsps/powerpc/tqm8xx/irq/irq.c
+++ b/bsps/powerpc/tqm8xx/irq/irq.c
@@ -80,6 +80,9 @@ rtems_status_code bsp_interrupt_get_attributes(
   rtems_interrupt_attributes *attributes
 )
 {
+  (void) vector;
+  (void) attributes;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -88,6 +91,8 @@ rtems_status_code bsp_interrupt_is_pending(
   bool               *pending
 )
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(pending != NULL);
   *pending = false;
@@ -96,12 +101,16 @@ rtems_status_code bsp_interrupt_is_pending(
 
 rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
 
 rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -111,6 +120,8 @@ rtems_status_code bsp_interrupt_vector_is_enabled(
   bool               *enabled
 )
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(enabled != NULL);
   *enabled = false;
@@ -148,6 +159,9 @@ rtems_status_code bsp_interrupt_set_priority(
   uint32_t priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -157,6 +171,9 @@ rtems_status_code bsp_interrupt_get_priority(
   uint32_t *priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(priority != NULL);
   return RTEMS_UNSATISFIED;
@@ -201,6 +218,8 @@ static int BSP_irq_handle_at_cpm(void)
 
 static int BSP_irq_handle_at_siu( unsigned excNum)
 {
+  (void) excNum;
+
   int32_t  sivecnum;
   uint32_t msr;
   bool  is_cpm_irq;
@@ -291,6 +310,8 @@ static void mpc8xx_siu_int_initialize( void)
 static int mpc8xx_exception_handler(BSP_Exception_frame *frame,
 			     unsigned exception_number)
 {
+  (void) frame;
+
   return BSP_irq_handle_at_siu(exception_number);
 }
 
diff --git a/bsps/powerpc/tqm8xx/spi/spi.c b/bsps/powerpc/tqm8xx/spi/spi.c
index 5aa71070f7..630000fffe 100644
--- a/bsps/powerpc/tqm8xx/spi/spi.c
+++ b/bsps/powerpc/tqm8xx/spi/spi.c
@@ -114,6 +114,9 @@ static rtems_status_code m8xx_spi_char_mode
 |    o = ok or error code                                                   |
 \*=========================================================================*/
 {
+  (void) softc_ptr;
+  (void) lsb_first;
+
   uint16_t tmpmode;
 
   /*
@@ -233,16 +236,20 @@ static rtems_isr m8xx_spi_irq_handler
 static void
 mpc8xx_spi_irq_on(const rtems_irq_connect_data *irq)
 {
+  (void) irq;
 }
 
 static void
 mpc8xx_spi_irq_off(const rtems_irq_connect_data *irq)
 {
+  (void) irq;
 }
 
 static int
 mpc8xx_spi_irq_isOn(const rtems_irq_connect_data *irq)
 {
+  (void) irq;
+
   return 1;
 }
 
@@ -265,6 +272,8 @@ static void m8xx_spi_install_irq_handler
 |    <none>                                                                 |
 \*=========================================================================*/
 {
+  (void) install;
+
   rtems_status_code rc = RTEMS_SUCCESSFUL;
 
   /*
@@ -656,6 +665,8 @@ static rtems_status_code bsp_spi_send_start
 |    o = ok or error code                                                   |
 \*=========================================================================*/
 {
+  (void) bh;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -679,6 +690,10 @@ static rtems_status_code bsp_spi_sel_addr
 |    rtems_status_code                                                      |
 \*=========================================================================*/
 {			    
+  (void) bh;
+  (void) addr;
+  (void) rw;
+
 #if defined(PGHPLUS)
   pbdat_val = m8xx.pbdat | (PGHPLUS_SPI_PB_DISP4_RS_MSK |
 			    PGHPLUS_SPI_PB_DISP4_CE_MSK |
@@ -726,6 +741,8 @@ static rtems_status_code bsp_spi_send_stop
 |    o = ok or error code                                                   |
 \*=========================================================================*/
 {
+  (void) bh;
+
 #if defined(DEBUG)
   printk("bsp_spi_send_stop called... ");
 #endif