diff packages/hal/powerpc/ts6/current/include/plf_intr.h @ 461:aae52574f8c5

Add support for PowerPC/8260 based platforms. Contributed by Patrick Doyle <wpd@delcomsys.com>
author gthomas
date Thu, 12 Dec 2002 21:15:24 +0000
parents
children
line wrap: on
line diff
new file mode 100644
--- /dev/null
+++ b/packages/hal/powerpc/ts6/current/include/plf_intr.h
@@ -0,0 +1,104 @@
+#ifndef CYGONCE_HAL_PLF_INTR_H
+#define CYGONCE_HAL_PLF_INTR_H
+
+//==========================================================================
+//
+//      plf_intr.h
+//
+//      MPC8260 platform specific interrupt definitions
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    pfine
+// Contributors: jskov
+// Date:         2002-02-27
+// Purpose:      Define platform specific interrupt support
+//              
+// Usage:
+//              #include <cyg/hal/plf_intr.h>
+//              ...
+//              
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>
+
+
+//----------------------------------------------------------------------------
+// Reset.
+/* This reset sequence will generate a checkstop reset
+ * It should probably live in mpc8260 variant directory, or be copied
+ * to the VADS directory.
+ */
+#define HAL_PLATFORM_RESET()       \
+    CYG_MACRO_START                         \
+        cyg_uint32 tmp0, tmp1; \
+        cyg_uint32 *tmp2 = (cyg_uint32 *) 0x04710c94; \
+        *tmp2 = 0x1;                   /* set RMR[CSRE] bit */ \
+        asm volatile("lis %0, 0xB001;" /* tmp0 = 0xB0010000 */\
+                     "mtspr %2, %0;"   /* HID0 = 0xB0010000, set HID0[EMCP] */\
+                     "isync;"          /* paranoia */\
+                     "li %1, 0x0;"     /* tmp0 = 0x0        */\
+                     "mfmsr %0;"       /* tmp0 = MSR */\
+                     "rlwimi %0,%1,0,19,19;"   /* */\
+                     "rlwimi %0,%1,0,26,27;"   /* */\
+                     "mtmsr %0;"       /* clear MSR[EE][IR][DR] */\
+                     "isync;"          /* probably required here */\
+                     "lis %1, 0xF000;" /* tmp1 = 0xF0000000 */\
+                     "eieio;"          /* paranoia */\
+                     "lwz %0,0(%1);"   /* Attempt to access illegal memory. */\
+                     : "=r" (tmp0), "=r" (tmp1)\
+                     : "I" (CYGARC_REG_HID0));\
+    CYG_MACRO_END
+
+// FIXME - What about the LOWROM configuarion ?
+#ifdef DCSPRI_HAL_TS6_ROM_MLT_RAM
+#define HAL_PLATFORM_RESET_ENTRY 0x00000100
+#else
+#define HAL_PLATFORM_RESET_ENTRY 0xFFF00100
+#endif
+
+//--------------------------------------------------------------------------
+#endif // ifndef CYGONCE_HAL_PLF_INTR_H
+// End of plf_intr.h
+
+