Mercurial > flash_v2
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 |
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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 + +
