2001-10-22 Andy Dachs <a.dachs@sstl.co.uk>

* Makefile.am, README, configure.ac, new_exception_processing/cpu.h, shared/include/cpu.h, shared/include/cpuIdent.c, shared/src/cache.c: Added mpc8260 support.
2025-12-05 15:15:44 +00:00 · 2001-10-22 13:46:37 +00:00
parent 3ac78af928
commit 48694da292
9 changed files with 50 additions and 6 deletions
--- a/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu.h
+++ b/c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu.h
@@ -3,6 +3,9 @@
 *  This include file contains information pertaining to the PowerPC
 *  processor.
 *
+ *  Modified for MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited (SSTL), 2001
+ *
 *  Author:	Andrew Bray <andy@i-cubed.co.uk>
 *
 *  COPYRIGHT (c) 1995 by i-cubed ltd.
@@ -256,6 +259,7 @@ extern "C" {

 #define CPU_PROVIDES_IDLE_THREAD_BODY    FALSE

+
 /*
 *  Does the stack grow up (toward higher addresses) or down
 *  (toward lower addresses)?
@@ -439,7 +443,7 @@ typedef struct {
  unsigned32   clicks_per_usec;	       /* Timer clicks per microsecond */
  boolean      exceptions_in_RAM;     /* TRUE if in RAM */

-#if (defined(ppc403) || defined(mpc860) || defined(mpc821))
+#if (defined(ppc403) || defined(mpc860) || defined(mpc821) || defined(mpc8260))
  unsigned32   serial_per_sec;	       /* Serial clocks per second */
  boolean      serial_external_clock;
  boolean      serial_xon_xoff;
@@ -450,7 +454,7 @@ typedef struct {
  boolean      timer_internal_clock;   /* TRUE, when timer runs with CPU clk */
 #endif

-#if (defined(mpc860) || defined(mpc821))
+#if (defined(mpc860) || defined(mpc821) || defined( mpc8260))
  unsigned32   clock_speed;            /* Speed of CPU in Hz */
 #endif
 }   rtems_cpu_table;
--- a/c/src/lib/libcpu/powerpc/ChangeLog
+++ b/c/src/lib/libcpu/powerpc/ChangeLog
@@ -1,3 +1,9 @@
+2001-10-22	Andy Dachs <a.dachs@sstl.co.uk>
+
+	* Makefile.am, README, configure.ac, new_exception_processing/cpu.h,
+	shared/include/cpu.h, shared/include/cpuIdent.c, shared/src/cache.c:
+	Added mpc8260 support.
+
 2001-10-22	Andy Dachs <a.dachs@sstl.co.uk>

 	* Added mpc8260 directory.
--- a/c/src/lib/libcpu/powerpc/Makefile.am
+++ b/c/src/lib/libcpu/powerpc/Makefile.am
@@ -28,6 +28,9 @@ endif
 if mpc8xx
 CPU_SUBDIR = mpc8xx
 endif
+if mpc8260
+CPU_SUBDIR = mpc8260
+endif
 if ppc403
 CPU_SUBDIR = ppc403
 endif
--- a/c/src/lib/libcpu/powerpc/README
+++ b/c/src/lib/libcpu/powerpc/README
@@ -18,6 +18,7 @@ family members:
  + mpc821
  + mpc860
  + ppc403
+  + mpc8260

 Note that because of similarities in various family members,
 the mpc823 should be able to use the mpc821 code and the
--- a/c/src/lib/libcpu/powerpc/configure.ac
+++ b/c/src/lib/libcpu/powerpc/configure.ac
@@ -33,6 +33,7 @@ AM_CONDITIONAL(shared, test "$RTEMS_CPU_MODEL" = "mpc750" \
 || test "$RTEMS_CPU_MODEL" = "mpc6xx" \
 || test "$RTEMS_CPU_MODEL" = "mpc821" \
 || test "$RTEMS_CPU_MODEL" = "mpc860" \
+|| test "$RTEMS_CPU_MODEL" = "mpc8260" \
 || test "$RTEMS_CPU_MODEL" = "mpc8xx" )

 ## there are no 601 or 602 BSPs currently.  The 505 BSPs are in user land.
@@ -40,7 +41,9 @@ AM_CONDITIONAL(new_exception_processing, \
 test "$RTEMS_CPU_MODEL" = "mpc750" || \
 test "$RTEMS_CPU_MODEL" = "mpc604" || \
 test "$RTEMS_CPU_MODEL" = "mpc8xx" || \
-test "$RTEMS_CPU_MODEL" = "mpc860")
+test "$RTEMS_CPU_MODEL" = "mpc8260" || \
+test "$RTEMS_CPU_MODEL" = "mpc860" \
+)

 ## The goal is to get rid of the old exception processing code but
 ## but all BSPs in the distribution must be migrated to the new model
@@ -48,6 +51,7 @@ test "$RTEMS_CPU_MODEL" = "mpc860")
 AM_CONDITIONAL(old_exception_processing, \
 test "$RTEMS_CPU_MODEL" = "ppc403" || \
 test "$RTEMS_CPU_MODEL" = "mpc505" || \
+#test "$RTEMS_CPU_MODEL" = "mpc8260" || \
 test "$RTEMS_CPU_MODEL" = "ppc603e" \
 )

@@ -59,6 +63,7 @@ AM_CONDITIONAL(mpc6xx, test "$RTEMS_CPU_MODEL" = "mpc6xx" \
 AM_CONDITIONAL(mpc8xx, test "$RTEMS_CPU_MODEL" = "mpc8xx" \
 || test "$RTEMS_CPU_MODEL" = "mpc821" \
 || test "$RTEMS_CPU_MODEL" = "mpc860" )
+AM_CONDITIONAL(mpc8260, test "$RTEMS_CPU_MODEL" = "mpc8260")
 AM_CONDITIONAL(ppc403, test "$RTEMS_CPU_MODEL" = "ppc403")

 # Explicitly list all Makefiles here
@@ -88,6 +93,14 @@ mpc6xx/exceptions/Makefile
 mpc6xx/mmu/Makefile
 mpc6xx/timer/Makefile
 mpc6xx/wrapup/Makefile
+mpc8260/Makefile
+mpc8260/clock/Makefile
+mpc8260/console-generic/Makefile
+mpc8260/include/Makefile
+mpc8260/timer/Makefile
+mpc8260/exceptions/Makefile
+mpc8260/mmu/Makefile
+mpc8260/cpm/Makefile
 new_exception_processing/Makefile
 old_exception_processing/Makefile
 shared/Makefile
--- a/c/src/lib/libcpu/powerpc/new_exception_processing/cpu.h
+++ b/c/src/lib/libcpu/powerpc/new_exception_processing/cpu.h
@@ -3,6 +3,9 @@
 *  This include file contains information pertaining to the PowerPC
 *  processor.
 *
+ *  Modified for MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited (SSTL), 2001
+ *
 *  Author:	Andrew Bray <andy@i-cubed.co.uk>
 *
 *  COPYRIGHT (c) 1995 by i-cubed ltd.
@@ -256,6 +259,7 @@ extern "C" {

 #define CPU_PROVIDES_IDLE_THREAD_BODY    FALSE

+
 /*
 *  Does the stack grow up (toward higher addresses) or down
 *  (toward lower addresses)?
@@ -439,7 +443,7 @@ typedef struct {
  unsigned32   clicks_per_usec;	       /* Timer clicks per microsecond */
  boolean      exceptions_in_RAM;     /* TRUE if in RAM */

-#if (defined(ppc403) || defined(mpc860) || defined(mpc821))
+#if (defined(ppc403) || defined(mpc860) || defined(mpc821) || defined(mpc8260))
  unsigned32   serial_per_sec;	       /* Serial clocks per second */
  boolean      serial_external_clock;
  boolean      serial_xon_xoff;
@@ -450,7 +454,7 @@ typedef struct {
  boolean      timer_internal_clock;   /* TRUE, when timer runs with CPU clk */
 #endif

-#if (defined(mpc860) || defined(mpc821))
+#if (defined(mpc860) || defined(mpc821) || defined( mpc8260))
  unsigned32   clock_speed;            /* Speed of CPU in Hz */
 #endif
 }   rtems_cpu_table;
--- a/c/src/lib/libcpu/powerpc/shared/include/cpu.h
+++ b/c/src/lib/libcpu/powerpc/shared/include/cpu.h
@@ -8,6 +8,10 @@
 * Copyright (C) 1999  Eric Valette (valette@crf.canon.fr)
 *                     Canon Centre Recherche France.
 *
+ *  Added MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited
+ *
+ *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
@@ -184,6 +188,7 @@ typedef enum {
  PPC_620	= 0x16,
  PPC_860	= 0x50,
  PPC_821	= PPC_860,
+  PPC_8260	= 0x81,
  PPC_UNKNOWN	= 0xff
 } ppc_cpu_id_t;

@@ -317,6 +322,8 @@ static inline  void PPC_Set_timebase_register (unsigned long long tbr)
    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
  } while (0)

+#define PPC_Get_decrementer( _clicks ) \
+    asm volatile( "mfdec  %0" : "=r" (_clicks) )

 #ifdef __cplusplus
 }
--- a/c/src/lib/libcpu/powerpc/shared/include/cpuIdent.c
+++ b/c/src/lib/libcpu/powerpc/shared/include/cpuIdent.c
@@ -3,6 +3,9 @@
 *
 *  Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
 *
+ *  Added MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited
+ *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
@@ -37,6 +40,7 @@ ppc_cpu_id_t get_ppc_cpu_type()
    case PPC_604r:
    case PPC_620:
    case PPC_860:
+    case PPC_8260:
      current_ppc_cpu = (ppc_cpu_id_t) pvr;
      return current_ppc_cpu;
    default:
--- a/c/src/lib/libcpu/powerpc/shared/src/cache.c
+++ b/c/src/lib/libcpu/powerpc/shared/src/cache.c
@@ -1,5 +1,7 @@
 /*
 *  Cache Management Support Routines for the MC68040
+ * Modified for MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ * Surrey Satellite Technology Limited (SSTL), 2001
 *
 *  $Id$
 */
@@ -17,7 +19,7 @@
 * FIXME: Some functions simply have not been implemented.
 */
 
-#if defined(ppc603)			/* And possibly others */
+#if defined(ppc603) || defined(mpc8260)	   /* And possibly others */

 /* Helpful macros */
 #define PPC_Get_HID0( _value ) \