diff --git a/boards/arm/am335x/beaglebone-black/src/Makefile b/boards/arm/am335x/beaglebone-black/src/Makefile index 73c601f965..dd19cdc3dd 100644 --- a/boards/arm/am335x/beaglebone-black/src/Makefile +++ b/boards/arm/am335x/beaglebone-black/src/Makefile @@ -2,7 +2,9 @@ # boards/arm/am335x/beaglebone-black/src/Makefile # # Copyright (C) 2018 Petro Karashchenko. All rights reserved. +# Copyright (C) 2019 Gregory Nutt. All rights reserved. # Author: Petro Karashchenko +# Gregory Nutt # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions @@ -36,7 +38,7 @@ -include $(TOPDIR)/Make.defs ASRCS = -CSRCS = am335x_boot.c am335x_leds.c +CSRCS = am335x_boot.c am335x_bringup.c am335x_leds.c ifeq ($(CONFIG_LIB_BOARDCTL),y) CSRCS += am355x_appinit.c diff --git a/boards/arm/am335x/beaglebone-black/src/am335x_appinit.c b/boards/arm/am335x/beaglebone-black/src/am335x_appinit.c new file mode 100644 index 0000000000..b34df6c0b8 --- /dev/null +++ b/boards/arm/am335x/beaglebone-black/src/am335x_appinit.c @@ -0,0 +1,94 @@ +/**************************************************************************** + * boards/arm/am335x/beaglebone-black/src/am335x_appinit.c + * + * Copyright (C) 2019 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include "beaglebone-black.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#ifndef OK +# define OK 0 +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_app_initialize + * + * Description: + * Perform application specific initialization. This function is never + * called directly from application code, but only indirectly via the + * (non-standard) boardctl() interface using the command BOARDIOC_INIT. + * + * Input Parameters: + * arg - The boardctl() argument is passed to the board_app_initialize() + * implementation without modification. The argument has no + * meaning to NuttX; the meaning of the argument is a contract + * between the board-specific initialization logic and the + * matching application logic. The value cold be such things as a + * mode enumeration value, a set of DIP switch switch settings, a + * pointer to configuration data read from a file or serial FLASH, + * or whatever you would like to do with it. Every implementation + * should accept zero/NULL as a default configuration. + * + * Returned Value: + * Zero (OK) is returned on success; a negated errno value is returned on + * any failure to indicate the nature of the failure. + * + ****************************************************************************/ + +int board_app_initialize(uintptr_t arg) +{ +#ifdef CONFIG_BOARD_LATE_INITIALIZE + /* Board initialization already performed by board_late_initialize() */ + + return OK; +#else + /* Perform board-specific initialization */ + + return am335x_bringup(); +#endif +} diff --git a/boards/arm/am335x/beaglebone-black/src/am335x_boot.c b/boards/arm/am335x/beaglebone-black/src/am335x_boot.c index 7cb2ded54f..96cb300c0a 100644 --- a/boards/arm/am335x/beaglebone-black/src/am335x_boot.c +++ b/boards/arm/am335x/beaglebone-black/src/am335x_boot.c @@ -117,13 +117,8 @@ void am335x_board_initialize(void) #ifdef CONFIG_BOARD_LATE_INITIALIZE void board_late_initialize(void) { -#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_LIB_BOARDCTL) - /* Perform NSH initialization here instead of from the NSH. This - * alternative NSH initialization is necessary when NSH is ran in user-space - * but the initialization function must run in kernel space. - */ + /* Perform board-specific initialization */ - (void)board_app_initialize(0); -#endif + return am335x_bringup(); } #endif /* CONFIG_BOARD_LATE_INITIALIZE */ diff --git a/boards/arm/am335x/beaglebone-black/src/am335x_bringup.c b/boards/arm/am335x/beaglebone-black/src/am335x_bringup.c new file mode 100644 index 0000000000..d77e1df3d4 --- /dev/null +++ b/boards/arm/am335x/beaglebone-black/src/am335x_bringup.c @@ -0,0 +1,95 @@ +/**************************************************************************** + * boards/arm/am335x/beaglebone-black/src/am335x_bringup.c + * + * Copyright (C) 2019 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#ifdef CONFIG_USERLED +# include +#endif + +#include "beaglebone-black.h" + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: am335x_bringup + * + * Description: + * Perform architecture-specific initialization + * + * CONFIG_BOARD_LATE_INITIALIZE=y : + * Called from board_late_initialize(). + * + * CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y : + * Called from the NSH library + * + ****************************************************************************/ + +int am335x_bringup(void) +{ + int ret = OK; + +#ifdef CONFIG_USERLED + /* Register the LED driver */ + + ret = userled_lower_initialize("/dev/userleds"); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_FS_PROCFS + /* Mount the procfs file system */ + + ret = mount(NULL, "/proc", "procfs", 0, NULL); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret); + } +#endif + + UNUSED(ret); + return ret; +} diff --git a/boards/arm/am335x/beaglebone-black/src/beaglebone-black.h b/boards/arm/am335x/beaglebone-black/src/beaglebone-black.h index bd558488e2..279d226669 100644 --- a/boards/arm/am335x/beaglebone-black/src/beaglebone-black.h +++ b/boards/arm/am335x/beaglebone-black/src/beaglebone-black.h @@ -139,6 +139,22 @@ * Public Functions ****************************************************************************/ +/**************************************************************************** + * Name: am335x_bringup + * + * Description: + * Perform architecture-specific initialization + * + * CONFIG_BOARD_LATE_INITIALIZE=y : + * Called from board_late_initialize(). + * + * CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y : + * Called from the NSH library + * + ****************************************************************************/ + +int am335x_bringup(void); + /**************************************************************************** * Name: am355x_led_initialize *