diff --git a/c/src/lib/libbsp/mips/csb350/ChangeLog b/c/src/lib/libbsp/mips/csb350/ChangeLog
index 6ac6f82c48..15337ab873 100644
--- a/c/src/lib/libbsp/mips/csb350/ChangeLog
+++ b/c/src/lib/libbsp/mips/csb350/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-11	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* startup/bspstart.c, timer/timer.c:
+	Use "__asm__" instead of "asm" for improved c99-compliance.
+
 2011-02-09	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* timer/timer.c: Include <rtems/btimer.h>.
diff --git a/c/src/lib/libbsp/mips/csb350/startup/bspstart.c b/c/src/lib/libbsp/mips/csb350/startup/bspstart.c
index afa50171c3..ea5e8497b9 100644
--- a/c/src/lib/libbsp/mips/csb350/startup/bspstart.c
+++ b/c/src/lib/libbsp/mips/csb350/startup/bspstart.c
@@ -34,7 +34,7 @@ void bsp_start( void )
 
   mips_set_sr( 0x7f00 );  /* all interrupts unmasked but globally off */
                           /* depend on the IRC to take care of things */
-  asm volatile ("mtc0 %0, $11\n" :: "r" (compare));
+  __asm__ volatile ("mtc0 %0, $11\n" :: "r" (compare));
   mips_install_isr_entries();
 }
 
diff --git a/c/src/lib/libbsp/mips/csb350/timer/timer.c b/c/src/lib/libbsp/mips/csb350/timer/timer.c
index 21cb339f9b..0fab478ed2 100644
--- a/c/src/lib/libbsp/mips/csb350/timer/timer.c
+++ b/c/src/lib/libbsp/mips/csb350/timer/timer.c
@@ -22,7 +22,7 @@ uint32_t tstart;
 
 void benchmark_timer_initialize(void)
 {
-    asm volatile ("mfc0 %0, $9\n" : "=r" (tstart));
+    __asm__ volatile ("mfc0 %0, $9\n" : "=r" (tstart));
     /* tick time in picooseconds */
 }
 
@@ -36,7 +36,7 @@ uint32_t benchmark_timer_read(void)
   uint32_t  total;
   uint32_t  cnt;
 
-  asm volatile ("mfc0 %0, $9\n" : "=r" (cnt));
+  __asm__ volatile ("mfc0 %0, $9\n" : "=r" (cnt));
 
   total = cnt - tstart;
   total = (total * 1000) / 396; /* convert to nanoseconds */