Initial revision

[karo-tx-redboot.git] / packages / hal / arm / mx25 / var / v2_0 / include / var_io.h

diff --git a/packages/hal/arm/mx25/var/v2_0/include/var_io.h b/packages/hal/arm/mx25/var/v2_0/include/var_io.h
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+#ifndef CYGONCE_VAR_IO_H
+#define CYGONCE_VAR_IO_H
+
+//=============================================================================
+//
+//      var_io.h
+//
+//      Variant specific IO support
+//
+//=============================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// 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####
+//=============================================================================
+
+#include <cyg/hal/plf_io.h>             // Platform specifics
+
+//-----------------------------------------------------------------------------
+
+// Memory mapping details
+#ifndef CYGARC_PHYSICAL_ADDRESS
+#ifdef SRAM_BASE_ADDR
+#if (SDRAM_BASE_ADDR==SRAM_BASE_ADDR)
+#define CYGARC_PHYSICAL_ADDRESS(x) \
+       (((unsigned long)(x) & 0x00FFFFFF) + SRAM_BASE_ADDR)
+/*#elif (SDRAM_BASE_ADDR == RAM_BANK0_BASE)
+       #define CYGARC_PHYSICAL_ADDRESS(x) \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK0_BASE)*/
+#else
+#define CYGARC_PHYSICAL_ADDRESS(x) \
+       ((((unsigned long)x & 0x1FFFFFFF) > 0x0FFFFFFF)? \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK1_BASE): \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK0_BASE))
+#endif
+#else //SRAM_BASE_ADDR
+#if (SDRAM_BASE_ADDR == RAM_BANK0_BASE) 
+#define CYGARC_PHYSICAL_ADDRESS(x) \
+       ((((unsigned long)x & 0x1FFFFFFF) > 0x0FFFFFFF)? \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK1_BASE): \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK0_BASE))   
+#else
+#define CYGARC_PHYSICAL_ADDRESS(x) \
+       ((((unsigned long)x & 0x1FFFFFFF) > 0x0FFFFFFF)? \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK0_BASE): \
+         (((unsigned long)x & 0x0FFFFFFF) + RAM_BANK1_BASE))   
+#endif
+#endif //SRAM_BASE_ADDr
+#endif
+
+//-----------------------------------------------------------------------------
+// end of var_io.h
+#endif // CYGONCE_VAR_IO_H