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skrzyp |
//==========================================================================
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//
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// CPUMask8xx.c
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//
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// Print PowerPC 8xx CPU Mask revision
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jskov
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// Contributors: jskov
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// Date: 1999-06-24
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// Description: Prints the CPU Part and Mask numbers.
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// See http://www.mot.com/SPS/RISC/netcomm/aesop/mpc8XX/860/860revs.htm
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//####DESCRIPTIONEND####
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#include <cyg/infra/diag.h>
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#include <cyg/hal/ppc_regs.h>
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#include <cyg/hal/hal_io.h>
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#define DPRAM_BASE 0x2000
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#define CPM_MISC_BASE (DPRAM_BASE + 0x1cb0)
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externC void
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cyg_start( void )
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{
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cyg_uint32 immr, part_no, mcrev_no;
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asm volatile ("mfspr %0, %1;": "=r" (immr): "I" (CYGARC_REG_IMMR));
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part_no = (immr & (CYGARC_REG_IMMR_PARTNUM|CYGARC_REG_IMMR_MASKNUM));
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HAL_READ_UINT16((immr&CYGARC_REG_IMMR_BASEMASK)+CPM_MISC_BASE, mcrev_no);
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diag_printf("MPC8xx IMMR[16:31]/Part# %04x, "
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"Microcode Rev No# %04x\n", part_no, mcrev_no);
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}
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// EOF CPUMask8xx.c
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