This is the mail archive of the ecos-patches@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

LPC2xxx serial and watchdog drivers


Serial driver uses the generic 16x5x driver
Watchdog based on AT91 watchdog code



comments/testing welcome

Jani
--- orig/packages/ecos.db
+++ mod/packages/ecos.db
@@ -916,6 +916,15 @@
     description       "Atmel AT91 on-chip serial device driver."
 }
 
+package CYGPKG_IO_SERIAL_ARM_LPC2XXX {
+    alias             { "ARM LPC2XXX serial device drivers"
+                        devs_serial_arm_lpc2xxx lpc2xxx_serial_driver }
+    hardware
+    directory	      devs/serial/arm/lpc2xxx
+    script	      ser_arm_lpc2xxx.cdl	
+    description       "ARM LPC2XXX serial device drivers"
+}
+
 package CYGPKG_IO_SERIAL_POWERPC_COGENT {
     alias             { "Cogent PowerPC serial device drivers"
                         devs_serial_powerpc_cogent cogent_serial_driver }
@@ -1932,6 +1941,16 @@
            ARM AT91 CPU."
 }
 
+package CYGPKG_DEVICES_WATCHDOG_ARM_LPC2XXX {
+	alias		{ "Watchdog driver for ARM LPC2XXX CPU" devices_watchdog_lpc2xxx device_watchdog_lpc2xxx }
+	directory	devs/watchdog/arm/lpc2xxx
+	script          watchdog_lpc2xxx.cdl
+	hardware
+	description "
+           This package provides a watchdog driver implementation for the
+           ARM LPC2XXX CPU."
+}
+
 package CYGPKG_DEVICES_WATCHDOG_ARM_EBSA285 {
 	alias		{ "Watchdog driver for ARM/EBSA285 board" devices_watchdog_ebsa285 device_watchdog_ebsa285 }
 	directory	devs/watchdog/arm/ebsa285
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/serial/arm/lpc2xxx/current/ChangeLog
@@ -0,0 +1,39 @@
+2004-09-12 Jani Monoses <jani@iv.ro>
+
+	* include/arm_lpc2xxx_ser.inl: 
+	Serial driver for ARM LPC2XXX, using generic 16X5X 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####
+//===========================================================================
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/serial/arm/lpc2xxx/current/cdl/ser_arm_lpc2xxx.cdl
@@ -0,0 +1,196 @@
+# ====================================================================
+#
+#      ser_arm_lpc2xxx.cdl
+#
+#      eCos serial ARM/LPC2XXX configuration data
+#
+# ====================================================================
+#####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
+# Original data:  gthomas
+# Contributors:
+# Date:           1999-07-07
+#
+#####DESCRIPTIONEND####
+#
+# ====================================================================
+
+
+cdl_package CYGPKG_IO_SERIAL_ARM_LPC2XXX {
+    display       "ARM LPC2XXX serial device drivers"
+
+    parent        CYGPKG_IO_SERIAL_DEVICES
+    active_if     CYGPKG_IO_SERIAL
+    active_if     CYGPKG_HAL_ARM_LPC2XXX
+
+    requires      CYGPKG_ERROR
+    include_dir   cyg/io
+
+    description   "
+           This option enables the serial device drivers for the
+           ARM LPC2XXX."
+
+    # FIXME: This really belongs in the GENERIC_16X5X package
+    cdl_interface CYGINT_IO_SERIAL_GENERIC_16X5X_REQUIRED {
+        display   "Generic 16x5x serial driver required"
+    }
+    define_proc {
+        puts $::cdl_header "#define CYGPRI_IO_SERIAL_GENERIC_16X5X_STEP 4"
+    }
+
+
+    define_proc {
+        puts $::cdl_system_header "/***** serial driver proc output start *****/"
+        puts $::cdl_system_header "#define CYGDAT_IO_SERIAL_GENERIC_16X5X_INL <cyg/io/arm_lpc2xxx_ser.inl>"
+        puts $::cdl_system_header "#define CYGDAT_IO_SERIAL_GENERIC_16X5X_CFG <pkgconf/io_serial_arm_lpc2xxx.h>"
+        puts $::cdl_system_header "/*****  serial driver proc output end  *****/"
+    }
+
+    cdl_component CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0 {
+        display       "ARM LPC2XXX serial port 0 driver"
+        flavor        bool
+        default_value 1
+
+        implements CYGINT_IO_SERIAL_GENERIC_16X5X_REQUIRED
+        implements    CYGINT_IO_SERIAL_FLOW_CONTROL_HW
+        implements    CYGINT_IO_SERIAL_LINE_STATUS_HW
+
+        description   "
+            This option includes the serial device driver for the ARM
+            LPC2XXX port 0."
+
+        cdl_option CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL0_NAME {
+            display       "Device name for ARM LPC2XXX serial port 0 driver"
+            flavor        data
+            default_value {"\"/dev/ser0\""}
+            description   "
+                This option specifies the name of the serial device
+                for the ARM LPC2XXX port 0."
+        }
+
+        cdl_option CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BAUD {
+            display       "Baud rate for the ARM LPC2XXX serial port 0 driver"
+            flavor        data
+            legal_values  { 50 75 110 "134_5" 150 200 300 600 1200 1800 2400
+                            3600 4800 7200 9600 14400 19200 38400
+                            57600 115200 230400 }
+            default_value 38400
+            description   "
+                This option specifies the default baud rate (speed)
+                for the ARM LPC2XXX port 0."
+        }
+
+        cdl_option CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE {
+            display       "Buffer size for the ARM LPC2XXX serial port 0 driver"
+            flavor        data
+            legal_values  0 to 8192
+            default_value 128
+            description   "
+                This option specifies the size of the internal buffers
+                used for the ARM LPC2XXX port 0."
+        }
+    }
+
+    cdl_component CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL1 {
+        display       "ARM LPC2XXX serial port 1 driver"
+        flavor        bool
+        default_value 1
+
+        implements CYGINT_IO_SERIAL_GENERIC_16X5X_REQUIRED
+        implements CYGINT_IO_SERIAL_FLOW_CONTROL_HW
+        implements CYGINT_IO_SERIAL_LINE_STATUS_HW
+
+        description   "
+            This option includes the serial device driver for the ARM
+            LPC2XXX port 1."
+
+        cdl_option CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL1_NAME {
+            display       "Device name for ARM LPC2XXX serial port 1 driver"
+            flavor        data
+            default_value {"\"/dev/ser1\""}
+            description   "
+                This option specifies the name of the serial device
+                for the ARM LPC2XXX port 1."
+        }
+
+        cdl_option CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BAUD {
+            display       "Baud rate for the ARM LPC2XXX serial port 1 driver"
+            flavor        data
+            legal_values  { 50 75 110 "134_5" 150 200 300 600 1200 1800 2400
+                            3600 4800 7200 9600 14400 19200 38400
+                            57600 115200 230400 }
+            default_value 38400
+            description   "
+                This option specifies the default baud rate (speed)
+                for the ARM LPC2XXX port 1."
+         }
+
+         cdl_option CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE {
+             display       "Buffer size for the ARM LPC2XXX serial port 1 driver"
+             flavor        data
+             legal_values  0 to 8192
+             default_value 128
+             description   "
+                 This option specifies the size of the internal
+                 buffers used for the ARM LPC2XXX port 1."
+         }
+    }
+
+    cdl_component CYGPKG_IO_SERIAL_ARM_LPC2XXX_TESTING {
+        display    "Testing parameters"
+        flavor     bool
+        calculated 1
+        active_if  CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0
+
+        implements CYGINT_IO_SERIAL_TEST_SKIP_9600
+        implements CYGINT_IO_SERIAL_TEST_SKIP_115200
+        implements CYGINT_IO_SERIAL_TEST_SKIP_PARITY_EVEN
+        
+        cdl_option CYGPRI_SER_TEST_SER_DEV {
+            display       "Serial device used for testing"
+            flavor        data
+            default_value { CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL0_NAME }
+        }
+
+        define_proc {
+            puts $::cdl_header "#define CYGPRI_SER_TEST_CRASH_ID \"armlpc2xxx\""
+            puts $::cdl_header "#define CYGPRI_SER_TEST_TTY_DEV  \"/dev/tty0\""
+        }
+    }
+}
+
+# EOF ser_arm_lpc2xxx.cdl
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/serial/arm/lpc2xxx/current/include/arm_lpc2xxx_ser.inl
@@ -0,0 +1,169 @@
+//==========================================================================
+//
+//      io/serial/arm/arm_lpc2xxx_ser.inl
+//
+//      ARM LPC2XXX Serial I/O definitions
+//
+//==========================================================================
+//####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
+// Contributors: gthomas, jlarmour
+// Date:         1999-02-04
+// Purpose:      LPC2XXX Serial I/O module (interrupt driven version)
+// Description: 
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <cyg/hal/hal_intr.h>
+
+//-----------------------------------------------------------------------------
+// Baud rate specification
+
+static unsigned short select_baud[] = {
+    9999,    // Unused
+    50,
+    75,
+    110,
+    134.5,
+    150,
+    200,
+    300,
+    600,
+    1200,
+    1800,
+    2400,
+    3600,
+    4800,
+    7200,
+    9600,
+    14400,
+    19200,
+    38400,
+    57600,
+    115200,
+    230400
+};
+
+//we need dynamically generated divider values because they depend on the 
+//value of pclk which in turn is changeable
+
+externC int cyg_var_baud_generator(int baud);
+#define CYG_IO_SERIAL_GENERIC_16X5X_BAUD_GENERATOR cyg_var_baud_generator
+
+#ifdef CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0
+static pc_serial_info lpc2xxx_serial_info0 = {LPC_UART0,
+                                          CYGNUM_HAL_INTERRUPT_UART0};
+#if CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE > 0
+static unsigned char lpc2xxx_serial_out_buf0[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE];
+static unsigned char lpc2xxx_serial_in_buf0[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE];
+
+static SERIAL_CHANNEL_USING_INTERRUPTS(lpc2xxx_serial_channel0,
+                                       pc_serial_funs, 
+                                       lpc2xxx_serial_info0,
+                                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BAUD),
+                                       CYG_SERIAL_STOP_DEFAULT,
+                                       CYG_SERIAL_PARITY_DEFAULT,
+                                       CYG_SERIAL_WORD_LENGTH_DEFAULT,
+                                       CYG_SERIAL_FLAGS_DEFAULT,
+                                       &lpc2xxx_serial_out_buf0[0], sizeof(lpc2xxx_serial_out_buf0),
+                                       &lpc2xxx_serial_in_buf0[0], sizeof(lpc2xxx_serial_in_buf0)
+    );
+#else
+static SERIAL_CHANNEL(lpc2xxx_serial_channel0,
+                      pc_serial_funs, 
+                      lpc2xxx_serial_info0,
+                      CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BAUD),
+                      CYG_SERIAL_STOP_DEFAULT,
+                      CYG_SERIAL_PARITY_DEFAULT,
+                      CYG_SERIAL_WORD_LENGTH_DEFAULT,
+                      CYG_SERIAL_FLAGS_DEFAULT
+    );
+#endif
+
+DEVTAB_ENTRY(lpc2xxx_serial_io0, 
+             CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL0_NAME,
+             0,                     // Does not depend on a lower level interface
+             &cyg_io_serial_devio, 
+             pc_serial_init, 
+             pc_serial_lookup,     // Serial driver may need initializing
+             &lpc2xxx_serial_channel0
+    );
+#endif //  CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0
+
+#ifdef CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL1
+static pc_serial_info lpc2xxx_serial_info1 = {LPC_UART1,
+                                          CYGNUM_HAL_INTERRUPT_UART1};
+#if CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE > 0
+static unsigned char lpc2xxx_serial_out_buf1[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE];
+static unsigned char lpc2xxx_serial_in_buf1[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE];
+
+static SERIAL_CHANNEL_USING_INTERRUPTS(lpc2xxx_serial_channel1,
+                                       pc_serial_funs, 
+                                       lpc2xxx_serial_info1,
+                                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BAUD),
+                                       CYG_SERIAL_STOP_DEFAULT,
+                                       CYG_SERIAL_PARITY_DEFAULT,
+                                       CYG_SERIAL_WORD_LENGTH_DEFAULT,
+                                       CYG_SERIAL_FLAGS_DEFAULT,
+                                       &lpc2xxx_serial_out_buf1[0], sizeof(lpc2xxx_serial_out_buf1),
+                                       &lpc2xxx_serial_in_buf1[0], sizeof(lpc2xxx_serial_in_buf1)
+    );
+#else
+static SERIAL_CHANNEL(lpc2xxx_serial_channel1,
+                      pc_serial_funs, 
+                      lpc2xxx_serial_info1,
+                      CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BAUD),
+                      CYG_SERIAL_STOP_DEFAULT,
+                      CYG_SERIAL_PARITY_DEFAULT,
+                      CYG_SERIAL_WORD_LENGTH_DEFAULT,
+                      CYG_SERIAL_FLAGS_DEFAULT
+    );
+#endif
+
+DEVTAB_ENTRY(lpc2xxx_serial_io1, 
+             CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL1_NAME,
+             0,                     // Does not depend on a lower level interface
+             &cyg_io_serial_devio, 
+             pc_serial_init, 
+             pc_serial_lookup,     // Serial driver may need initializing
+             &lpc2xxx_serial_channel1
+    );
+#endif //  CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL1
+
+// EOF arm_lpc2xxx_ser.inl
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/watchdog/arm/lpc2xxx/current/ChangeLog
@@ -0,0 +1,37 @@
+2004-10-04 Jani Monoses <jani@iv.ro>
+
+	* Added watchdog driver for ARM LPC2XXX based on the AT91 code.
+
+//####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####
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/watchdog/arm/lpc2xxx/current/cdl/watchdog_lpc2xxx.cdl
@@ -0,0 +1,134 @@
+# ====================================================================
+#
+#      watchdog_lpc2xxx.cdl
+#
+#      eCos watchdog for ARM LPC2XXX driver configuration data
+#
+# ====================================================================
+#####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):      tkoeller
+# Contributors:   tkoeller, nickg
+# Date:           2000-05-05
+#
+#####DESCRIPTIONEND####
+#
+# ====================================================================
+
+cdl_package CYGPKG_DEVICES_WATCHDOG_ARM_LPC2XXX {
+    parent        CYGPKG_IO_WATCHDOG
+    active_if     CYGPKG_IO_WATCHDOG
+    display       "ARM LPC2XXX watchdog driver"
+    requires      CYGPKG_HAL_ARM_LPC2XXX
+    requires      CYGPKG_KERNEL
+    hardware
+    define_header devs_watchdog_arm_lpc2xxx.h
+    compile       watchdog_lpc2xxx.cxx
+    implements    CYGINT_WATCHDOG_HW_IMPLEMENTATIONS
+    active_if     CYGIMP_WATCHDOG_HARDWARE
+    description   "
+      This package uses the watchdog device integrated
+      in the LPC2XXX to execute a predefined action if the
+      application fails to call the reset function for
+      longer than a given timeout interval."
+
+    cdl_option CYGIMP_WATCHDOG_HARDWARE {
+        parent	      CYGPKG_IO_WATCHDOG_IMPLEMENTATION
+        display       "Hardware watchdog"
+        calculated    1
+        implements    CYGINT_WATCHDOG_IMPLEMENTATIONS
+    }
+    
+    cdl_option CYGNUM_DEVS_WATCHDOG_ARM_LPC2XXX_DESIRED_TIMEOUT_MS {
+      	display       	"Desired timeout value"
+	flavor        	data
+	legal_values  	1 to 2047
+	default_value 	100
+	description "
+	    This parameter controls the watchdog timeout interval.
+	    Note that you may not get the exact value requested
+	    here, the timeout interval may have to be adjusted
+	    because of hardware limitations. The actual timeout
+	    used will be the smallest possible value that is not
+	    less than this parameter."
+    }
+    
+    cdl_option CYGSEM_DEVS_WATCHDOG_ARM_LPC2XXX_RESET {
+      	display       "Generate reset on watchdog expiration"
+	flavor	      bool
+	default_value 1
+      	implements    CYGINT_WATCHDOG_RESETS_ON_TIMEOUT
+	description   "
+	  Enabling this option changes the watchdog operation mode
+	  to generate a system reset upon expiration instead of
+	  invoking an application-defined action."
+    }
+
+    cdl_component CYGPKG_DEVICES_WATCHDOG_ARM_LPC2XXX_OPTIONS {
+        display       "LPC2XXX watchdog build options"
+        flavor	      none
+        description   "
+	    Package specific build options including control over
+	    compiler flags used only in building this package,
+	    and details of which tests are built."
+
+        cdl_option CYGPKG_DEVICES_WATCHDOG_ARM_LPC2XXX_CFLAGS_ADD {
+            display   	  "Additional compiler flags"
+            flavor    	  data
+            no_define
+            default_value { "" }
+            description   "
+                This option modifies the set of compiler flags for
+                building the watchdog device. These flags are used in addition
+                to the set of global flags."
+        }
+
+        cdl_option CYGPKG_DEVICES_WATCHDOG_ARM_LPC2XXX_CFLAGS_REMOVE {
+            display   	  "Suppressed compiler flags"
+            flavor    	  data
+            no_define
+            default_value { "" }
+            description   "
+                This option modifies the set of compiler flags for
+                building the watchdog device. These flags are removed from
+                the set of global flags if present."
+        }
+
+    }
+}
+
+# EOF watchdog_lpc2xxx.cdl
--- /dev/null
+++ /home/jani/work/ecoswork/cvs/,,what-changed.ecos--official--2.1--patch-30--jani@iv.ro--ecos/new-files-archive/./packages/devs/watchdog/arm/lpc2xxx/current/src/watchdog_lpc2xxx.cxx
@@ -0,0 +1,190 @@
+//==========================================================================
+//
+//      devs/watchdog/arm/lpc2xxx/watchdog_lpc2xxx.cxx
+//
+//      Watchdog implementation for ARM LPC2XXX CPU
+//
+//==========================================================================
+//####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):    tkoeller
+// Contributors: tkoeller, nickg
+// Date:         2002-05-05
+// Purpose:      Watchdog class implementation
+// Description:  Contains an implementation of the Watchdog class for use
+//               with the Philips LPC2XXX watchdog timer.
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/kernel.h>
+#include <pkgconf/infra.h>
+#include <pkgconf/kernel.h>
+#include <pkgconf/watchdog.h>
+#include <pkgconf/devs_watchdog_arm_lpc2xxx.h>
+
+#include <cyg/infra/cyg_type.h>
+#include <cyg/infra/cyg_ass.h>
+#include <cyg/infra/cyg_trac.h>
+#include <cyg/hal/hal_io.h>
+#include <cyg/hal/hal_diag.h>
+
+#include <cyg/io/watchdog.hxx>
+
+#if !defined(CYGSEM_WATCHDOG_RESETS_ON_TIMEOUT)
+#include <cyg/hal/hal_platform_ints.h>
+#include <cyg/kernel/intr.hxx>
+#endif
+
+//==========================================================================
+
+extern cyg_uint32 lpc_pclk;
+
+#define TICKS    	    (lpc_pclk/4000 * CYGNUM_DEVS_WATCHDOG_ARM_LPC2XXX_DESIRED_TIMEOUT_MS)
+
+#define RESOLUTION CYGNUM_DEVS_WATCHDOG_ARM_LPC2XXX_DESIRED_TIMEOUT_MS*1000000
+
+//==========================================================================
+
+#if defined(CYGSEM_WATCHDOG_RESETS_ON_TIMEOUT)
+
+#define MODVAL	(LPC_WD_MOD_WDEN | LPC_WD_MOD_WDRESET)
+
+void
+Cyg_Watchdog::init_hw(void)
+{
+  CYG_REPORT_FUNCTION();
+  CYG_REPORT_FUNCARGVOID();
+  resolution = RESOLUTION;
+  CYG_REPORT_RETURN();
+}
+
+#else /* defined(CYGSEM_WATCHDOG_RESETS_ON_TIMEOUT) */
+
+//==========================================================================
+
+#define MODVAL	(LPC_WD_MOD_WDEN | LPC_WD_MOD_WDINT)
+#define INT_PRIO    7
+
+//==========================================================================
+
+static Cyg_Watchdog *wd;
+
+//==========================================================================
+
+static cyg_uint32
+isr(cyg_vector vector, CYG_ADDRWORD data)
+{
+  CYG_REPORT_FUNCTION();
+  CYG_REPORT_FUNCARG2XV(vector, data);
+
+  wd->trigger();
+  Cyg_Interrupt::acknowledge_interrupt(CYGNUM_HAL_INTERRUPT_WATCHDOG);
+  CYG_REPORT_RETVAL(Cyg_Interrupt::HANDLED);
+  return Cyg_Interrupt::HANDLED;
+}
+
+//==========================================================================
+
+static Cyg_Interrupt wdint(
+    CYGNUM_HAL_INTERRUPT_WATCHDOG,
+    INT_PRIO,
+    0,
+    isr,
+    NULL
+  );
+
+//==========================================================================
+
+void
+Cyg_Watchdog::init_hw(void)
+{
+  CYG_REPORT_FUNCTION();
+  CYG_REPORT_FUNCARGVOID();
+
+  wd = this;
+  resolution = RESOLUTION;
+  wdint.configure_interrupt(CYGNUM_HAL_INTERRUPT_WATCHDOG, false, true);
+  wdint.attach();
+  wdint.acknowledge_interrupt(CYGNUM_HAL_INTERRUPT_WATCHDOG);
+  wdint.unmask_interrupt(CYGNUM_HAL_INTERRUPT_WATCHDOG);
+  CYG_REPORT_RETURN();
+}
+
+#endif	/* defined(CYGSEM_WATCHDOG_RESETS_ON_TIMEOUT) */
+
+//==========================================================================
+/*
+ * Reset watchdog timer. This needs to be called regularly to prevent
+ * the watchdog from firing.
+ */
+
+void
+Cyg_Watchdog::reset(void)
+{
+  CYG_REPORT_FUNCTION();
+  CYG_REPORT_FUNCARGVOID();
+
+  /* Feed magic values to reset the watchdog. */
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_FEED, 0xAA);
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_FEED, 0x55);
+  CYG_REPORT_RETURN();
+}
+
+//==========================================================================
+/*
+ * Start watchdog to generate a hardware reset
+ * or interrupt when expiring.
+ */
+
+void
+Cyg_Watchdog::start(void)
+{
+  CYG_REPORT_FUNCTION();
+  CYG_REPORT_FUNCARGVOID();
+  
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_TC, TICKS);
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_MOD, MODVAL);
+  /* Feed magic values to reset the watchdog. */
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_FEED, 0xAA);
+  HAL_WRITE_UINT32(LPC_WD + LPC_WD_FEED, 0x55);
+  CYG_REPORT_RETURN();
+}
+
+//==========================================================================
+// End of watchdog_lpc2xxx.cxx


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]