diff options
Diffstat (limited to 'bsps/shared/dev/rtc')
| -rw-r--r-- | bsps/shared/dev/rtc/icm7170.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/icm7170_reg.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/icm7170_reg2.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/icm7170_reg4.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/icm7170_reg8.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/m48t08.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/m48t08_reg.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/m48t08_reg2.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/m48t08_reg4.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/m48t08_reg8.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/mc146818a.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/mc146818a_ioreg.c | 25 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/mcp7940m.c | 361 | ||||
| -rw-r--r-- | bsps/shared/dev/rtc/rtcprobe.c | 25 |
14 files changed, 647 insertions, 39 deletions
diff --git a/bsps/shared/dev/rtc/icm7170.c b/bsps/shared/dev/rtc/icm7170.c index 1cc9e980f7..8c8b44ccff 100644 --- a/bsps/shared/dev/rtc/icm7170.c +++ b/bsps/shared/dev/rtc/icm7170.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file interfaces with the real-time clock found in * a Harris ICM7170 @@ -16,9 +18,26 @@ * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> diff --git a/bsps/shared/dev/rtc/icm7170_reg.c b/bsps/shared/dev/rtc/icm7170_reg.c index 747f1f218d..da70722f2e 100644 --- a/bsps/shared/dev/rtc/icm7170_reg.c +++ b/bsps/shared/dev/rtc/icm7170_reg.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the icm7170 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> diff --git a/bsps/shared/dev/rtc/icm7170_reg2.c b/bsps/shared/dev/rtc/icm7170_reg2.c index 179d76c6f5..f428e16df4 100644 --- a/bsps/shared/dev/rtc/icm7170_reg2.c +++ b/bsps/shared/dev/rtc/icm7170_reg2.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the icm7170 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _ICM7170_MULTIPLIER 2 diff --git a/bsps/shared/dev/rtc/icm7170_reg4.c b/bsps/shared/dev/rtc/icm7170_reg4.c index dada40961c..2735b272ba 100644 --- a/bsps/shared/dev/rtc/icm7170_reg4.c +++ b/bsps/shared/dev/rtc/icm7170_reg4.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the icm7170 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _ICM7170_MULTIPLIER 4 diff --git a/bsps/shared/dev/rtc/icm7170_reg8.c b/bsps/shared/dev/rtc/icm7170_reg8.c index a1fb1a5ea2..36505dcec1 100644 --- a/bsps/shared/dev/rtc/icm7170_reg8.c +++ b/bsps/shared/dev/rtc/icm7170_reg8.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the icm7170 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _ICM7170_MULTIPLIER 8 diff --git a/bsps/shared/dev/rtc/m48t08.c b/bsps/shared/dev/rtc/m48t08.c index 3b600bd995..1933e17ab0 100644 --- a/bsps/shared/dev/rtc/m48t08.c +++ b/bsps/shared/dev/rtc/m48t08.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file interfaces with the real-time clock found in * a Mostek M48T08 or M48T18 or compatibles. @@ -16,9 +18,26 @@ * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> diff --git a/bsps/shared/dev/rtc/m48t08_reg.c b/bsps/shared/dev/rtc/m48t08_reg.c index 2174496fda..ef0d6b3b19 100644 --- a/bsps/shared/dev/rtc/m48t08_reg.c +++ b/bsps/shared/dev/rtc/m48t08_reg.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the m48t08 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> diff --git a/bsps/shared/dev/rtc/m48t08_reg2.c b/bsps/shared/dev/rtc/m48t08_reg2.c index 87d2041946..b469f9258f 100644 --- a/bsps/shared/dev/rtc/m48t08_reg2.c +++ b/bsps/shared/dev/rtc/m48t08_reg2.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the m48t08 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _M48T08_MULTIPLIER 2 diff --git a/bsps/shared/dev/rtc/m48t08_reg4.c b/bsps/shared/dev/rtc/m48t08_reg4.c index 2203249503..069664b3ba 100644 --- a/bsps/shared/dev/rtc/m48t08_reg4.c +++ b/bsps/shared/dev/rtc/m48t08_reg4.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the m48t08 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _M48T08_MULTIPLIER 4 diff --git a/bsps/shared/dev/rtc/m48t08_reg8.c b/bsps/shared/dev/rtc/m48t08_reg8.c index 83044d752b..8e1bccbf14 100644 --- a/bsps/shared/dev/rtc/m48t08_reg8.c +++ b/bsps/shared/dev/rtc/m48t08_reg8.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the m48t08 chip if accesses to the chip are as follows: @@ -8,9 +10,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #define _M48T08_MULTIPLIER 8 diff --git a/bsps/shared/dev/rtc/mc146818a.c b/bsps/shared/dev/rtc/mc146818a.c index 2720ce5e8a..a048c6c606 100644 --- a/bsps/shared/dev/rtc/mc146818a.c +++ b/bsps/shared/dev/rtc/mc146818a.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file interfaces with the real-time clock found in * a Motorola MC146818A (common on PC hardware) @@ -16,9 +18,26 @@ * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> #include <libchip/rtc.h> diff --git a/bsps/shared/dev/rtc/mc146818a_ioreg.c b/bsps/shared/dev/rtc/mc146818a_ioreg.c index 4c438a516a..e51279ed18 100644 --- a/bsps/shared/dev/rtc/mc146818a_ioreg.c +++ b/bsps/shared/dev/rtc/mc146818a_ioreg.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains a typical set of register access routines which may be * used with the MC146818A chip if accesses to the chip are as follows: @@ -11,9 +13,26 @@ * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> diff --git a/bsps/shared/dev/rtc/mcp7940m.c b/bsps/shared/dev/rtc/mcp7940m.c new file mode 100644 index 0000000000..1abc5faaad --- /dev/null +++ b/bsps/shared/dev/rtc/mcp7940m.c @@ -0,0 +1,361 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/* + * Copyright (C) 2023 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Note: This driver implements only the basic RTC functionality of the + * MCP7940M. It tries not to touch any register fields except for the basic + * date/time fields in the get/set time functions. That way it should be + * possible to re-use the driver for similar RTCs by just replacing the + * initialization function. Suggested method for that: Add a field to the struct + * mcp7940m_rtc with a function pointer that points to the initialization + * function. + * + * All flags that are considered MCP7940M specific have a MCP7940M in the name. + * + * Only 24 hour format is supported. If this driver is the only ones who write + * the RTC, that shouldn't be a problem. + * + * The weekday register is not used. It has a user-defined representation anyway + * and therefore doesn't really matter. + */ + +#include <dev/i2c/i2c.h> +#include <libchip/mcp7940m-rtc.h> +#include <rtems/score/sysstate.h> +#include <rtems/score/todimpl.h> + +#include <fcntl.h> +#include <stdint.h> +#include <string.h> +#include <sys/stat.h> +#include <unistd.h> + +#define REG_RTCSEC 0x00u + +#define RTCSEC_SECBCD_SHIFT 0u +#define RTCSEC_SECBCD_MASK (0x7fu << RTCSEC_SECBCD_SHIFT) +#define RTCSEC_SECBCD(x) (((x) << RTCSEC_SECBCD_SHIFT) & RTCSEC_SECBCD_MASK) +#define RTCSEC_SECBCD_GET(x) (((x) & RTCSEC_SECBCD_MASK) >> RTCSEC_SECBCD_SHIFT) + +#define MCP7940M_RTCSEC_ST (0x01u << 7) + +#define REG_RTCMIN 0x01 + +#define RTCMIN_MINBCD_SHIFT 0u +#define RTCMIN_MINBCD_MASK (0x7fu << RTCMIN_MINBCD_SHIFT) +#define RTCMIN_MINBCD(x) (((x) << RTCMIN_MINBCD_SHIFT) & RTCMIN_MINBCD_MASK) +#define RTCMIN_MINBCD_GET(x) (((x) & RTCMIN_MINBCD_MASK) >> RTCMIN_MINBCD_SHIFT) + +#define REG_RTCHOUR 0x02 + +#define RTCHOUR_HRBCD12_SHIFT 0u +#define RTCHOUR_HRBCD12_MASK (0x1fu << RTCHOUR_HRBCD12_SHIFT) +#define RTCHOUR_HRBCD12(x) (((x) << RTCHOUR_HRBCD12_SHIFT) & RTCHOUR_HRBCD12_MASK) +#define RTCHOUR_HRBCD12_GET(x) (((x) & RTCHOUR_HRBCD12_MASK) >> RTCHOUR_HRBCD12_SHIFT) + +#define RTCHOUR_HRBCD24_SHIFT 0u +#define RTCHOUR_HRBCD24_MASK (0x3fu << RTCHOUR_HRBCD24_SHIFT) +#define RTCHOUR_HRBCD24(x) (((x) << RTCHOUR_HRBCD24_SHIFT) & RTCHOUR_HRBCD24_MASK) +#define RTCHOUR_HRBCD24_GET(x) (((x) & RTCHOUR_HRBCD24_MASK) >> RTCHOUR_HRBCD24_SHIFT) + +#define RTCHOUR_AMPM (0x01u << 5) +#define RTCHOUR_1224 (0x01u << 6) + +#define REG_RTCWKDAY 0x03 + +#define RTCWKDAY_WKDAY_SHIFT 0u +#define RTCWKDAY_WKDAY_MASK (0x7u << RTCWKDAY_WKDAY_SHIFT) +#define RTCWKDAY_WKDAY(x) (((x) << RTCWKDAY_WKDAY_SHIFT) & RTCWKDAY_WKDAY_MASK) +#define RTCWKDAY_WKDAY_GET(x) (((x) & RTCWKDAY_WKDAY_MASK) >> RTCWKDAY_WKDAY_SHIFT) + +#define REG_RTCDATE 0x04 + +#define RTCDATE_DATEBCD_SHIFT 0u +#define RTCDATE_DATEBCD_MASK (0x3fu << RTCDATE_DATEBCD_SHIFT) +#define RTCDATE_DATEBCD(x) (((x) << RTCDATE_DATEBCD_SHIFT) & RTCDATE_DATEBCD_MASK) +#define RTCDATE_DATEBCD_GET(x) (((x) & RTCDATE_DATEBCD_MASK) >> RTCDATE_DATEBCD_SHIFT) + +#define REG_RTCMTH 0x05 + +#define RTCMTH_MTHBCD_SHIFT 0u +#define RTCMTH_MTHBCD_MASK (0x1fu << RTCMTH_MTHBCD_SHIFT) +#define RTCMTH_MTHBCD(x) (((x) << RTCMTH_MTHBCD_SHIFT) & RTCMTH_MTHBCD_MASK) +#define RTCMTH_MTHBCD_GET(x) (((x) & RTCMTH_MTHBCD_MASK) >> RTCMTH_MTHBCD_SHIFT) + +#define MCP7940M_RTCMTH_LPYR (0x01u << 5) + +#define REG_RTCYEAR 0x06 + +#define RTCYEAR_YRBCD_SHIFT 0u +#define RTCYEAR_YRBCD_MASK (0xffu << RTCYEAR_YRBCD_SHIFT) +#define RTCYEAR_YRBCD(x) (((x) << RTCYEAR_YRBCD_SHIFT) & RTCYEAR_YRBCD_MASK) +#define RTCYEAR_YRBCD_GET(x) (((x) & RTCYEAR_YRBCD_MASK) >> RTCYEAR_YRBCD_SHIFT) + +#define REG_MCP7940M_CONTROL 0x07 + +#define MCP7940M_CONTROL_OUT (0x1u << 7) +#define MCP7940M_CONTROL_SQWEN (0x1u << 6) +#define MCP7940M_CONTROL_ALM1EN (0x1u << 5) +#define MCP7940M_CONTROL_ALM0EN (0x1u << 4) +#define MCP7940M_CONTROL_EXTOSC (0x1u << 3) +#define MCP7940M_CONTROL_CRSTRIM (0x1u << 2) +#define MCP7940M_CONTROL_SQWFS1 (0x1u << 1) +#define MCP7940M_CONTROL_SQWFS0 (0x1u << 0) + +static inline uint8_t bcd_to_bin(uint8_t bcd) +{ + uint8_t bin; + bin = bcd & 0x0f; + bin += ((bcd >> 4) & 0x0f) * 10; + return bin; +} + +static inline uint8_t bin_to_bcd(uint8_t bin) +{ + uint8_t bcd; + bcd = bin % 10; + bcd |= (bin / 10) << 4; + return bcd; +} + +static struct mcp7940m_rtc *mcp7940m_get_context(int minor) +{ + return (struct mcp7940m_rtc *) RTC_Table[minor].pDeviceParams; +} + +static int mcp7940m_i2c_read( + struct mcp7940m_rtc *ctx, + uint8_t addr, + uint8_t *buf, + size_t len +) +{ + int fd; + int rv; + struct i2c_msg msgs[] = {{ + .addr = ctx->i2c_addr, + .flags = 0, + .buf = &addr, + .len = 1, + }, { + .addr = ctx->i2c_addr, + .flags = I2C_M_RD, + .buf = buf, + .len = len, + }}; + struct i2c_rdwr_ioctl_data payload = { + .msgs = msgs, + .nmsgs = sizeof(msgs)/sizeof(msgs[0]), + }; + + fd = open(ctx->i2c_bus_path, O_RDWR); + if (fd < 0) { + return fd; + } + + rv = ioctl(fd, I2C_RDWR, &payload); + + close(fd); + + return rv; +} + +static int mcp7940m_i2c_write( + struct mcp7940m_rtc *ctx, + uint8_t addr, + const uint8_t *buf, + size_t len +) +{ + int fd; + int rv; + uint8_t writebuf[len + 1]; + struct i2c_msg msgs[] = {{ + .addr = ctx->i2c_addr, + .flags = 0, + .buf = writebuf, + .len = len + 1, + }}; + struct i2c_rdwr_ioctl_data payload = { + .msgs = msgs, + .nmsgs = sizeof(msgs)/sizeof(msgs[0]), + }; + + writebuf[0] = addr; + memcpy(&writebuf[1], buf, len); + + fd = open(ctx->i2c_bus_path, O_RDWR); + if (fd < 0) { + return fd; + } + + rv = ioctl(fd, I2C_RDWR, &payload); + + close(fd); + + return rv; +} + +static int mcp7940m_initialize_once(struct mcp7940m_rtc *ctx) +{ + uint8_t reg; + ssize_t rv; + + if (ctx->initialized) { + return 0; + } + + /* + * Make sure that all alarms and outputs are disabled. Enable or disable + * oscillator. + * + * This makes sure that we can start with an uninitialized device that has a + * random value in the control register. + */ + reg = 0; + if (!ctx->crystal) { + reg |= MCP7940M_CONTROL_EXTOSC; + } + rv = mcp7940m_i2c_write(ctx, REG_MCP7940M_CONTROL, ®, 1); + + if (rv == 0 && ctx->crystal) { + rv = mcp7940m_i2c_read(ctx, REG_RTCSEC, ®, 1); + if (rv == 0 && (reg & MCP7940M_RTCSEC_ST) == 0) { + reg |= MCP7940M_RTCSEC_ST; + rv = mcp7940m_i2c_write(ctx, REG_RTCSEC, ®, 1); + } + } + + ctx->initialized = true; + + return rv; +} + +static int mcp7940m_get_time(int minor, rtems_time_of_day *time) +{ + int rv = 0; + uint8_t buf[REG_RTCYEAR + 1]; + struct mcp7940m_rtc *ctx = mcp7940m_get_context(minor); + + if (!_System_state_Is_up(_System_state_Get())) { + return -1; + } + + rtems_mutex_lock(&ctx->mutex); + + rv = mcp7940m_initialize_once(ctx); + + if (rv == 0) { + rv = mcp7940m_i2c_read(ctx, REG_RTCSEC, buf, sizeof(buf)); + } + + if (rv == 0) { + unsigned year = bcd_to_bin(RTCYEAR_YRBCD_GET(buf[REG_RTCYEAR])) + + (TOD_BASE_YEAR / 100 * 100); + if (year < TOD_BASE_YEAR) { + year += 100; + } + time->year = year; + time->month = bcd_to_bin(RTCMTH_MTHBCD_GET(buf[REG_RTCMTH])); + time->day = bcd_to_bin(RTCDATE_DATEBCD_GET(buf[REG_RTCDATE])); + time->hour = bcd_to_bin(RTCHOUR_HRBCD24_GET(buf[REG_RTCHOUR])); + time->minute = bcd_to_bin(RTCMIN_MINBCD_GET(buf[REG_RTCMIN])); + time->second = bcd_to_bin(RTCSEC_SECBCD_GET(buf[REG_RTCSEC])); + time->ticks = 0; + } + + rtems_mutex_unlock(&ctx->mutex); + + return rv; +} + +static int mcp7940m_set_time(int minor, const rtems_time_of_day *time) +{ + int rv = 0; + uint8_t buf[REG_RTCYEAR + 1]; + struct mcp7940m_rtc *ctx = mcp7940m_get_context(minor); + + if (!_System_state_Is_up(_System_state_Get())) { + return -1; + } + + rtems_mutex_lock(&ctx->mutex); + + rv = mcp7940m_initialize_once(ctx); + + if (rv == 0) { + rv = mcp7940m_i2c_read(ctx, REG_RTCSEC, buf, sizeof(buf)); + } + + if (rv == 0) { + /* Make sure weekday is not 0 (out of range). Otherwise it's not used. */ + if (RTCWKDAY_WKDAY_GET(buf[REG_RTCWKDAY]) < 1) { + buf[REG_RTCWKDAY] &= ~RTCWKDAY_WKDAY_MASK; + buf[REG_RTCWKDAY] |= RTCWKDAY_WKDAY(1); + } + + buf[REG_RTCYEAR] &= ~RTCYEAR_YRBCD_MASK; + buf[REG_RTCYEAR] |= RTCYEAR_YRBCD(bin_to_bcd(time->year % 100)); + + buf[REG_RTCMTH] &= ~RTCMTH_MTHBCD_MASK; + buf[REG_RTCMTH] |= RTCMTH_MTHBCD(bin_to_bcd(time->month)); + + buf[REG_RTCDATE] &= ~RTCDATE_DATEBCD_MASK; + buf[REG_RTCDATE] |= RTCDATE_DATEBCD(bin_to_bcd(time->day)); + + buf[REG_RTCHOUR] &= ~(RTCHOUR_HRBCD24_MASK | RTCHOUR_1224); + buf[REG_RTCHOUR] |= RTCHOUR_HRBCD24(bin_to_bcd(time->hour)); + + buf[REG_RTCMIN] &= ~RTCMIN_MINBCD_MASK; + buf[REG_RTCMIN] |= RTCMIN_MINBCD(bin_to_bcd(time->minute)); + + buf[REG_RTCSEC] &= ~RTCSEC_SECBCD_MASK; + buf[REG_RTCSEC] |= RTCSEC_SECBCD(bin_to_bcd(time->second)); + + rv = mcp7940m_i2c_write(ctx, REG_RTCSEC, buf, sizeof(buf)); + } + + rtems_mutex_unlock(&ctx->mutex); + + return rv; +} + +static void mcp7940m_init(int minor) +{ + (void) minor; +} + +bool rtc_mcp7940m_probe(int minor) +{ + return true; +} + +const rtc_fns rtc_mcp7940m_fns = { + .deviceInitialize = mcp7940m_init, + .deviceGetTime = mcp7940m_get_time, + .deviceSetTime = mcp7940m_set_time, +}; diff --git a/bsps/shared/dev/rtc/rtcprobe.c b/bsps/shared/dev/rtc/rtcprobe.c index 71472ffd7c..0d85831d62 100644 --- a/bsps/shared/dev/rtc/rtcprobe.c +++ b/bsps/shared/dev/rtc/rtcprobe.c @@ -1,12 +1,31 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /* * This file contains the default Real-Time Clock probe routine. * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <rtems.h> |