Mercurial > flash_v2
changeset 1014:d8106c7ccb64
Added Flash support for EB40A, EB42 and EB55.
Plus driver for AT49xxxx flash part.
See ChangeLogs for details.
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new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb40a/current/ChangeLog @@ -0,0 +1,43 @@ +2002-07-08 Tim Drury <tdrury@siliconmotorsports.com> + + * devs/flash/arm/eb40a/...: new package. FLASH memory support for + Atmel EB40a board. + + * include/arm_eb40a_flash.inl: New file + + * cdl/flash_eb40a_pid.cdl: New file. + +//=========================================================================== +//####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#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb40a/current/cdl/flash_eb40a.cdl @@ -0,0 +1,69 @@ +# ==================================================================== +# +# flash_eb40a.cdl +# +# FLASH memory - Hardware support on Atmel ARM EB40a board +# +# ==================================================================== +#####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#### +# ==================================================================== +######DESCRIPTIONBEGIN#### +# +# Author(s): gthomas, hmt, jskov, tdrury, nickg +# Original data: gthomas +# Contributors: gthomas +# Date: 2001-02-20 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_DEVS_FLASH_EB40A { + display "Atmel EB40A board FLASH memory support" + description "FLASH memory device support for Atmel EB40A board" + + parent CYGPKG_IO_FLASH + active_if CYGPKG_IO_FLASH + requires CYGPKG_HAL_ARM_AT91 + + compile eb40a_flash.c + + # Arguably this should do in the generic package + # but then there is a logic loop so you can never enable it. + cdl_interface CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED { + display "Generic Atmel AM49XXXX driver required" + } + + implements CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED +}
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb40a/current/src/eb40a_flash.c @@ -0,0 +1,67 @@ +//========================================================================== +// +// eb40a_flash.c +// +// Flash programming for Atmel device on Atmel EB40A board +// +//========================================================================== +//####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#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): jskov, tdrury +// Contributors: jskov, nickg +// Date: 2002-07-08 +// Purpose: +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + + +// The EB40 can either contain a AT49LV1604 or a AT49LV1614. For now we just +// treat both as a 1614. + +#define CYGPKG_DEVS_FLASH_ATMEL_AT49LV1614 +#define CYGNUM_FLASH_INTERLEAVE (1) +#define CYGNUM_FLASH_SERIES (1) +// skip plane A of the flash and start with plane B +#define CYGNUM_FLASH_BASE (0x01010000u) + +#include "cyg/io/flash_at49xxxx.inl" + + +// ------------------------------------------------------------------------ +// EOF eb40a_flash.c
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb42/current/ChangeLog @@ -0,0 +1,40 @@ +2003-05-12 Nick Garnett <nickg@balti.calivar.com> + + * cdl/flash_eb42.cdl: + * src/eb42_flash.c: + Added Flash driver for Atmel EB42 board. + +//=========================================================================== +//####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#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb42/current/cdl/flash_eb42.cdl @@ -0,0 +1,70 @@ +# ==================================================================== +# +# flash_eb42.cdl +# +# FLASH memory - Hardware support on Atmel ARM EB42 board +# +# ==================================================================== +#####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +## Copyright (C) 2003 Nick Garnett <nickg@calivar.com> +## +## 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): gthomas, hmt, jskov, tdrury, nickg +# Original data: gthomas +# Contributors: gthomas +# Date: 2001-02-20 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_DEVS_FLASH_EB42 { + display "Atmel EB42 board FLASH memory support" + description "FLASH memory device support for Atmel EB42 board" + + parent CYGPKG_IO_FLASH + active_if CYGPKG_IO_FLASH + requires CYGPKG_HAL_ARM_AT91 + + compile eb42_flash.c + + # Arguably this should do in the generic package + # but then there is a logic loop so you can never enable it. + cdl_interface CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED { + display "Generic Atmel AM49XXXX driver required" + } + + implements CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED +}
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb42/current/src/eb42_flash.c @@ -0,0 +1,67 @@ +//========================================================================== +// +// eb42_flash.c +// +// Flash programming for Atmel device on Atmel EB42 board +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2003 Nick Garnett <nickg@calivar.com> +// +// 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): jskov, tdrury +// Contributors: jskov, nickg +// Date: 2002-07-08 +// Purpose: +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + + +// There's a single AT49LV16X4 on the EB42 board. + +#define CYGPKG_DEVS_FLASH_ATMEL_AT49LV1614 +#define CYGNUM_FLASH_INTERLEAVE (1) +#define CYGNUM_FLASH_SERIES (1) +// skip plane A of the flash and start with plane B +#define CYGNUM_FLASH_BASE (0x01010000u) + +#include "cyg/io/flash_at49xxxx.inl" + + +// ------------------------------------------------------------------------ +// EOF eb42_flash.c
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb55/current/ChangeLog @@ -0,0 +1,41 @@ +2003-05-12 Nick Garnett <nickg@balti.calivar.com> + + * src/eb55_flash.c: + * cdl/flash_eb55.cdl: + Added Flash driver for Atmel EB55 board. + +//=========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2003 Nick Garnett <nickg@calivar.com> +// +// 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#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb55/current/cdl/flash_eb55.cdl @@ -0,0 +1,70 @@ +# ==================================================================== +# +# flash_eb55.cdl +# +# FLASH memory - Hardware support on Atmel ARM Eb55 board +# +# ==================================================================== +#####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +## Copyright (C) 2003 Nick Garnett <nickg@calivar.com> +## +## 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): gthomas, hmt, jskov, tdrury, nickg +# Original data: gthomas +# Contributors: gthomas +# Date: 2001-02-20 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_DEVS_FLASH_EB55 { + display "Atmel EB55 board FLASH memory support" + description "FLASH memory device support for Atmel EB55 board" + + parent CYGPKG_IO_FLASH + active_if CYGPKG_IO_FLASH + requires CYGPKG_HAL_ARM_AT91 + + compile eb55_flash.c + + # Arguably this should do in the generic package + # but then there is a logic loop so you can never enable it. + cdl_interface CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED { + display "Generic Atmel AM49XXXX driver required" + } + + implements CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED +}
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/arm/eb55/current/src/eb55_flash.c @@ -0,0 +1,67 @@ +//========================================================================== +// +// eb55_flash.c +// +// Flash programming for Atmel device on Atmel EB55 board +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2003 Nick Garnett <nickg@calivar.com> +// +// 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): jskov, tdrury +// Contributors: jskov, nickg +// Date: 2002-07-08 +// Purpose: +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + + +// There's a single AT49LV16X4 on the EB55 board. + +#define CYGPKG_DEVS_FLASH_ATMEL_AT49LV1614 +#define CYGNUM_FLASH_INTERLEAVE (1) +#define CYGNUM_FLASH_SERIES (1) +// skip plane A of the flash and start with plane B +#define CYGNUM_FLASH_BASE (0x01010000u) + +#include "cyg/io/flash_at49xxxx.inl" + + +// ------------------------------------------------------------------------ +// EOF eb55_flash.c
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/atmel/at49xxxx/current/ChangeLog @@ -0,0 +1,43 @@ +2002-07-12 Tim Drury (tdrury@siliconmotorsports.com> + + * include/flash_at49xxxx.inl: added support for AT49LV1614 + +2002-06-24 Jani Monoses <jani@iv.ro> + + * include/flash_at49xxxx.inl: Added support for AT49BV8011 + based on AT29XXXXX + +//=========================================================================== +//####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#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/atmel/at49xxxx/current/cdl/flash_atmel_at49xxxx.cdl @@ -0,0 +1,62 @@ +# ==================================================================== +# +# flash_atmel_at49xxxx.cdl +# +# FLASH memory - Hardware support for Atmel AT49xxxx parts +# +# ==================================================================== +#####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#### +# ==================================================================== +######DESCRIPTIONBEGIN#### +# +# Author(s): jani@iv.ro +# Contributors: +# Date: 2002-06-24 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_DEVS_FLASH_ATMEL_AT49XXXX { + display "Atmel AT49XXXX FLASH memory support" + description "FLASH memory device support for Atmel AT49XXXX" + parent CYGPKG_IO_FLASH + active_if CYGPKG_IO_FLASH + + active_if CYGINT_DEVS_FLASH_ATMEL_AT49XXXX_REQUIRED + + implements CYGHWR_IO_FLASH_DEVICE + + include_dir cyg/io +}
new file mode 100644 --- /dev/null +++ b/packages/devs/flash/atmel/at49xxxx/current/include/flash_at49xxxx.inl @@ -0,0 +1,318 @@ +#ifndef CYGONCE_DEVS_FLASH_ATMEL_AT49XXXX_INL +#define CYGONCE_DEVS_FLASH_ATMEL_AT49XXXX_INL +//========================================================================== +// +// at49xxxx.inl +// +// Atmel AT49xxxx series flash driver +// +//========================================================================== +//####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#### + +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): Jani Monoses <jani@iv.ro> +// Contributors: Cristian Vlasin <cris@iv.ro>, tdrury +// Date: 2002-06-24 +// Purpose: +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <pkgconf/hal.h> +#include <cyg/hal/hal_arch.h> +#include <cyg/hal/hal_cache.h> +#include CYGHWR_MEMORY_LAYOUT_H + +#define _FLASH_PRIVATE_ +#include <cyg/io/flash.h> + + +//---------------------------------------------------------------------------- +// Common device details. +#define FLASH_Read_ID FLASHWORD( 0x90 ) +#define FLASH_Read_ID_Exit FLASHWORD( 0xF0 ) +#define FLASH_Program FLASHWORD( 0xA0 ) +#define FLASH_Sector_Erase FLASHWORD( 0x30 ) + +#define FLASH_Busy FLASHWORD( 0x40 ) // "Toggle" bit + +#define FLASH_Setup_Addr1 (0x5555) +#define FLASH_Setup_Addr2 (0x2AAA) +#define FLASH_Setup_Code1 FLASHWORD( 0xAA ) +#define FLASH_Setup_Code2 FLASHWORD( 0x55 ) +#define FLASH_Setup_Erase FLASHWORD( 0x80 ) + +// Platform code must define the below +// #define CYGNUM_FLASH_INTERLEAVE : Number of interleaved devices (in parallel) +// #define CYGNUM_FLASH_SERIES : Number of devices in series +// #define CYGNUM_FLASH_BASE : Address of first device +// And select one of the below device variants + +#ifdef CYGPKG_DEVS_FLASH_ATMEL_AT49LV8011 +# define FLASH_BLOCK_SIZE (0x10000*CYGNUM_FLASH_INTERLEAVE) +# define FLASH_NUM_REGIONS (14) +# define CYGNUM_FLASH_WIDTH (16) +# define CYGNUM_FLASH_BLANK (1) +# define CYGNUM_FLASH_ID_MANUFACTURER FLASHWORD(0x1F) +# define CYGNUM_FLASH_ID_DEVICE FLASHWORD(0xCB) +#endif +#ifdef CYGPKG_DEVS_FLASH_ATMEL_AT49LV8011T +# define FLASH_BLOCK_SIZE (0x10000*CYGNUM_FLASH_INTERLEAVE) +# define FLASH_NUM_REGIONS (14) +# define CYGNUM_FLASH_WIDTH (16) +# define CYGNUM_FLASH_BLANK (1) +# define CYGNUM_FLASH_ID_MANUFACTURER FLASHWORD(0x1F) +# define CYGNUM_FLASH_ID_DEVICE FLASHWORD(0x4A) +#endif +#ifdef CYGPKG_DEVS_FLASH_ATMEL_AT49LV1614 +// NOTE: the smaller plane A of the flash is ignored for now (tdrury) +# define FLASH_BLOCK_SIZE (0x10000*CYGNUM_FLASH_INTERLEAVE) +# define FLASH_NUM_REGIONS (31) +# define CYGNUM_FLASH_WIDTH (16) +# define CYGNUM_FLASH_BLANK (1) +# define CYGNUM_FLASH_ID_MANUFACTURER FLASHWORD(0x1F) +# define CYGNUM_FLASH_ID_DEVICE FLASHWORD(0xC0) +#endif + +#define FLASH_DEVICE_SIZE (FLASH_BLOCK_SIZE*FLASH_NUM_REGIONS) + +//---------------------------------------------------------------------------- +// Now that device properties are defined, include magic for defining +// accessor type and constants. +#include <cyg/io/flash_dev.h> + +//---------------------------------------------------------------------------- +// Functions that put the flash device into non-read mode must reside +// in RAM. +void flash_query(void* data) __attribute__ ((section (".2ram.flash_query"))); +int flash_erase_block(void* block, unsigned int size) + __attribute__ ((section (".2ram.flash_erase_block"))); +int flash_program_buf(void* addr, void* data, int len) + __attribute__ ((section (".2ram.flash_program_buf"))); + + +//---------------------------------------------------------------------------- +// Initialize driver details +int +flash_hwr_init(void) +{ + flash_data_t id[2]; + + flash_dev_query(id); + + // Check that flash_id data is matching the one the driver was + // configured for. + if (id[0] != CYGNUM_FLASH_ID_MANUFACTURER + || id[1] != CYGNUM_FLASH_ID_DEVICE) + return FLASH_ERR_DRV_WRONG_PART; + + // Hard wired for now + flash_info.block_size = FLASH_BLOCK_SIZE; + flash_info.blocks = FLASH_NUM_REGIONS; + flash_info.start = (void *)CYGNUM_FLASH_BASE; + flash_info.end = (void *)(CYGNUM_FLASH_BASE+ (FLASH_NUM_REGIONS * FLASH_BLOCK_SIZE * CYGNUM_FLASH_SERIES)); + return FLASH_ERR_OK; +} + +//---------------------------------------------------------------------------- +// Map a hardware status to a package error +int +flash_hwr_map_error(int e) +{ + return e; +} + + +//---------------------------------------------------------------------------- +// See if a range of FLASH addresses overlaps currently running code +bool +flash_code_overlaps(void *start, void *end) +{ + extern unsigned char _stext[], _etext[]; + + return ((((unsigned long)&_stext >= (unsigned long)start) && + ((unsigned long)&_stext < (unsigned long)end)) || + (((unsigned long)&_etext >= (unsigned long)start) && + ((unsigned long)&_etext < (unsigned long)end))); +} + +//---------------------------------------------------------------------------- +// Flash Query +// +// Only reads the manufacturer and part number codes for the first +// device(s) in series. It is assumed that any devices in series +// will be of the same type. + +void +flash_query(void* data) +{ + volatile flash_data_t *ROM; + flash_data_t* id = (flash_data_t*) data; + int i; + + ROM = (volatile flash_data_t*) CYGNUM_FLASH_BASE; + + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Code1; + ROM[FLASH_Setup_Addr2] = FLASH_Setup_Code2; + ROM[FLASH_Setup_Addr1] = FLASH_Read_ID; + + // FIXME: 10ms delay? + + // Manufacturers' code + id[0] = ROM[0]; + // Part number + id[1] = ROM[1]; + + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Code1; + ROM[FLASH_Setup_Addr2] = FLASH_Setup_Code2; + ROM[FLASH_Setup_Addr1] = FLASH_Read_ID_Exit; + + // FIXME: 10ms delay? +} + +// Wait for completion (bit 6 stops toggling) +static int wait_while_busy(int timeout, volatile flash_data_t* addr_ptr) +{ + flash_data_t state, prev_state; + prev_state = *addr_ptr & FLASH_Busy; + while (true) { + state = *addr_ptr & FLASH_Busy; + if (prev_state == state) { + return FLASH_ERR_OK; + } + if (--timeout == 0) { + return FLASH_ERR_DRV_TIMEOUT; + } + prev_state = state; + } +} + +//---------------------------------------------------------------------------- +// Erase Block +int +flash_erase_block(void* block, unsigned int len) +{ + volatile flash_data_t* ROM; + volatile flash_data_t* addr_ptr = (volatile flash_data_t*) block; + + int res = FLASH_ERR_OK; + int i; + + flash_data_t state, prev_state; + +// diag_printf("\nERASE: Block %p, len: %u\n",addr_ptr,len); + + // Base address of device(s) being programmed. + ROM = (volatile flash_data_t*) CYGNUM_FLASH_BASE; + + + //Erase sector 6-byte sequence + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Code1; + ROM[FLASH_Setup_Addr2] = FLASH_Setup_Code2; + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Erase; + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Code1; + ROM[FLASH_Setup_Addr2] = FLASH_Setup_Code2; + addr_ptr[0] = FLASH_Sector_Erase; + + res = wait_while_busy(5000000,addr_ptr); +#if 0 + // Verify loaded data bytes + for (i = 0; i < len;) { + if (*addr_ptr != FLASH_BlankValue) { + // Only update return value if erase operation was OK + if (FLASH_ERR_OK == res) res = FLASH_ERR_DRV_VERIFY; + break; + } + addr_ptr++; + i += sizeof(*addr_ptr); + } +#endif + return res; +} + +//---------------------------------------------------------------------------- +// Program Buffer +int +flash_program_buf(void* addr, void* data, int len) +{ + volatile flash_data_t* ROM; + volatile flash_data_t* addr_ptr = (volatile flash_data_t*) addr; + volatile flash_data_t* data_ptr = (volatile flash_data_t*) data; + + int res = FLASH_ERR_OK; + + // Base address of device(s) being programmed. + ROM = (volatile flash_data_t*) CYGNUM_FLASH_BASE; + + while ((FLASH_ERR_OK == res) && (len > 0)) { + // Program data [byte] - 4 step sequence + ROM[FLASH_Setup_Addr1] = FLASH_Setup_Code1; + ROM[FLASH_Setup_Addr2] = FLASH_Setup_Code2; + ROM[FLASH_Setup_Addr1] = FLASH_Program; + addr_ptr[0] = data_ptr[0]; + + addr_ptr++; + data_ptr++; + + //if (*data_ptr++ == 0) + // *addr_ptr = 0; + + len -= sizeof (flash_data_t); + + res = wait_while_busy(5000000,addr_ptr); +// if (res==FLASH_ERR_DRV_TIMEOUT) break; + + } +#if 0 + // Verify loaded data bytes + for (i = 0; (i<len);) { + if (*addr_ptr != *data_ptr) { + // Only update return value if erase operation was OK + if (FLASH_ERR_OK == res) res = FLASH_ERR_DRV_VERIFY; + break; + } + addr_ptr++; + data_ptr++; + i += sizeof(*data_ptr); + } +#endif + + return res; +} + +#endif // CYGONCE_DEVS_FLASH_ATMEL_AT49XXXX_INL