[PATCH] Add raspberry pi board BSP
Cláudio Silva
claudiodcsilva at gmail.com
Mon Feb 25 17:27:07 UTC 2013
Anyway, you can find the workflow description in github:
https://help.github.com/articles/using-pull-requests
and for the maintainer:
https://help.github.com/articles/merging-a-pull-request
On Mon, Feb 25, 2013 at 5:22 PM, Cudmore, Alan P. (GSFC-5820)
<alan.p.cudmore at nasa.gov> wrote:
> Thanks.. This is not something I need to do now, I'm just curious. I am less than a git beginner right now.
>
> Alan
>
> On Feb 25, 2013, at 12:06 PM, Joel Sherrill <joel.sherrill at oarcorp.com> wrote:
>
>> On 2/25/2013 10:58 AM, Cláudio Silva wrote:
>>> You could also fork it on github, make your changes and then make a
>>> pull request. I don't know if the maintainers currently advise it but
>>> it is a technical possibility. I think it has been done in the past
>>> for GSOC2012 projects.
>> That should work.
>>
>> The biggest issue is that we are all still learning git. I don't know
>> that we
>> have pulled from github yet. But I am willing to try it.
>>
>> --joel
>>> On Mon, Feb 25, 2013 at 4:29 PM, Joel Sherrill
>>> <joel.sherrill at oarcorp.com> wrote:
>>>> On 2/25/2013 10:17 AM, Cudmore, Alan P. (GSFC-5820) wrote:
>>>>> I'm just learning Git, but wouldn't it be nice if RTEMS developers could
>>>>> fork a repo, make changes and have an online code review using a tool like
>>>>> Gerrit? http://code.google.com/p/gerrit/
>>>> Yes! It is on my wishlist. :)
>>>>
>>>> I think it would make BSP reviews, GSOC, GCI, etc. easier.
>>>>
>>>> My understanding is that we want a Buildbot in place before putting
>>>> an online code review took in the workflow.
>>>>
>>>> --joel
>>>>
>>>>> Alan
>>>>>
>>>>> On Feb 25, 2013, at 10:06 AM, Gedare Bloom <gedare at rtems.org> wrote:
>>>>>
>>>>>> Hi Alan,
>>>>>>
>>>>>> I've made a few comments. Some repeated issues are the $Id$ which we
>>>>>> got rid of now, and there were a lot of copy-pasted file comments that
>>>>>> might be a little inaccurate, or that you should update the copyright
>>>>>> and add your own authorship info to.
>>>>>>
>>>>>> -Gedare
>>>>>>
>>>>>> On Sun, Feb 24, 2013 at 8:41 PM, Cudmore, Alan P. (GSFC-5820)
>>>>>> <alan.p.cudmore at nasa.gov> wrote:
>>>>>>> This patch is my Raspberry Pi BSP.
>>>>>>> - Based on the lpc32xx BSP ( no libcpu ). I removed the MMU setup code,
>>>>>>> it could probably be added back in
>>>>>>> - Interrupt driven console code is included, but does not work yet. The
>>>>>>> polled driver works.
>>>>>>> - The benchmark timer driver does not work yet, I was trying to
>>>>>>> troubleshoot that this weekend.
>>>>>>> - It was compiled and tested with the rtems-4.11 ( non-eabi ) toolchain.
>>>>>>>
>>>>>>> Alan
>>>>>>>
>>>>>>> ---------------
>>>>>>> diff --git a/c/src/lib/libbsp/arm/acinclude.m4
>>>>>>> b/c/src/lib/libbsp/arm/acinclude.m4
>>>>>>> index 9512b26..82aba6f 100644
>>>>>>> --- a/c/src/lib/libbsp/arm/acinclude.m4
>>>>>>> +++ b/c/src/lib/libbsp/arm/acinclude.m4
>>>>>>> @@ -24,6 +24,8 @@ AC_DEFUN([RTEMS_CHECK_BSPDIR],
>>>>>>> AC_CONFIG_SUBDIRS([lpc32xx]);;
>>>>>>> nds )
>>>>>>> AC_CONFIG_SUBDIRS([nds]);;
>>>>>>> + raspberry_pi )
>>>>>>> + AC_CONFIG_SUBDIRS([raspberry_pi]);;
>>>>>> do we have any other BSPs with an underscore in the name? maybe just
>>>>>> "raspberrypi" or even just "pi" would be ok?
>>>>>>
>>>>>>> rtl22xx )
>>>>>>> AC_CONFIG_SUBDIRS([rtl22xx]);;
>>>>>>> smdk2410 )
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/ChangeLog
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/ChangeLog
>>>>>>> new file mode 100755
>>>>>>> index 0000000..3b85dbb
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/ChangeLog
>>>>>>> @@ -0,0 +1,4 @@
>>>>>>> +2013-02-15 Alan Cudmores <alan.cudmore at gmail.com>
>>>>>>> +
>>>>>>> + * created raspberry_pi bsp from lpc32xx
>>>>>>> +
>>>>>> We don't use ChangeLog anymore. Instead we rely on git commit messages.
>>>>>>
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/Makefile.am
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/Makefile.am
>>>>>>> new file mode 100755
>>>>>>> index 0000000..f19ad95
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/Makefile.am
>>>>>>> @@ -0,0 +1,151 @@
>>>>>>> +##
>>>>>>> +#
>>>>>>> +# @file
>>>>>>> +#
>>>>>>> +# @brief Makefile of LibBSP for the raspberry_pi board.
>>>>>>> +#
>>>>>>> +
>>>>>>> +# $Id: Makefile.am,v 1.5 2010/05/20 13:15:35 sh Exp $
>>>>>> We don't use $Id$ anymore. Please remove any of these.
>>>>>>
>>>>>>> +
>>>>>>> +ACLOCAL_AMFLAGS = -I ../../../../aclocal
>>>>>>> +
>>>>>>> +include $(top_srcdir)/../../../../automake/compile.am
>>>>>>> +
>>>>>>> +include_bspdir = $(includedir)/bsp
>>>>>>> +include_libcpudir = $(includedir)/libcpu
>>>>>>> +
>>>>>>> +dist_project_lib_DATA = bsp_specs
>>>>>>> +
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +# Header
>>>>>>> #
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +
>>>>>>> +include_HEADERS = include/bsp.h
>>>>>>> +include_HEADERS += ../../shared/include/tm27.h
>>>>>>> +
>>>>>>> +nodist_include_HEADERS = ../../shared/include/coverhd.h \
>>>>>>> + include/bspopts.h
>>>>>>> +
>>>>>>> +nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
>>>>>>> +
>>>>>>> +include_bsp_HEADERS =
>>>>>>> +include_bsp_HEADERS += ../../shared/include/utility.h
>>>>>>> +include_bsp_HEADERS += ../../shared/include/irq-generic.h
>>>>>>> +include_bsp_HEADERS += ../../shared/include/irq-info.h
>>>>>>> +include_bsp_HEADERS += ../../shared/include/stackalloc.h
>>>>>>> +include_bsp_HEADERS += ../../shared/include/uart-output-char.h
>>>>>>> +include_bsp_HEADERS += ../../shared/tod.h
>>>>>>> +include_bsp_HEADERS += ../shared/include/linker-symbols.h
>>>>>>> +include_bsp_HEADERS += ../shared/include/start.h
>>>>>>> +include_bsp_HEADERS += ../shared/lpc/include/lpc-timer.h
>>>>>>> +include_bsp_HEADERS += ../shared/lpc/include/lpc-dma.h
>>>>>>> +include_bsp_HEADERS += include/irq.h
>>>>>>> +include_bsp_HEADERS += include/mmu.h
>>>>>>> +include_bsp_HEADERS += include/raspberry_pi.h
>>>>>>> +
>>>>>>> +include_libcpu_HEADERS = ../../../libcpu/arm/shared/include/cache_.h \
>>>>>>> + ../../../libcpu/arm/shared/include/arm-cp15.h
>>>>>>> +
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +# Data
>>>>>>> #
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +
>>>>>>> +noinst_LIBRARIES = libbspstart.a
>>>>>>> +
>>>>>>> +libbspstart_a_SOURCES = ../shared/start/start.S
>>>>>>> +
>>>>>>> +project_lib_DATA = start.$(OBJEXT)
>>>>>>> +
>>>>>>> +project_lib_DATA += startup/linkcmds
>>>>>>> +project_lib_DATA += ../shared/startup/linkcmds.base
>>>>>>> +
>>>>>>> +EXTRA_DIST = startup/linkcmds
>>>>>>> +
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +# LibBSP
>>>>>>> #
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +
>>>>>>> +noinst_LIBRARIES += libbsp.a
>>>>>>> +
>>>>>>> +libbsp_a_SOURCES =
>>>>>>> +libbsp_a_CPPFLAGS =
>>>>>>> +libbsp_a_LIBADD =
>>>>>>> +
>>>>>>> +# Shared
>>>>>>> +libbsp_a_SOURCES += ../../shared/bootcard.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bspclean.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bspgetworkarea.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bsplibc.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bsppost.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bsppredriverhook.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/bsppretaskinghook.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/gnatinstallhandler.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/sbrk.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/stackalloc.c
>>>>>>> +libbsp_a_SOURCES += ../shared/abort/simple_abort.c
>>>>>>> +libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S
>>>>>>> +
>>>>>>> +# libbsp_a_SOURCES += ../../shared/src/uart-output-char.c
>>>>>>> +
>>>>>>> +
>>>>>>> +# Startup
>>>>>>> +libbsp_a_SOURCES += startup/bspreset.c
>>>>>>> +libbsp_a_SOURCES += startup/bspstart.c
>>>>>>> +
>>>>>>> +# IRQ
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-default-handler.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-generic.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-info.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-legacy.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-server.c
>>>>>>> +libbsp_a_SOURCES += ../../shared/src/irq-shell.c
>>>>>>> +libbsp_a_SOURCES += irq/irq.c
>>>>>>> +
>>>>>>> +# Console
>>>>>>> +libbsp_a_SOURCES += console/console.c
>>>>>>> +
>>>>>>> +# clock
>>>>>>> +libbsp_a_SOURCES += clock/clockdrv.c ../../../shared/clockdrv_shell.h
>>>>>>> +
>>>>>>> +# Timer
>>>>>>> +libbsp_a_SOURCES += misc/timer.c
>>>>>>> +
>>>>>>> +# RTC
>>>>>>> +
>>>>>>> +# SSP
>>>>>>> +
>>>>>>> +# I2C
>>>>>>> +
>>>>>>> +# Cache
>>>>>>> +libbsp_a_SOURCES += ../../../libcpu/shared/src/cache_manager.c
>>>>>>> +libbsp_a_SOURCES += ../../../libcpu/arm/shared/include/cache_.h
>>>>>>> +libbsp_a_CPPFLAGS += -I$(srcdir)/../../../libcpu/arm/shared/include
>>>>>>> +
>>>>>>> +# Start hooks
>>>>>>> +libbsp_a_SOURCES += startup/bspstarthooks.c
>>>>>>> +
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +# Network
>>>>>>> #
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +
>>>>>>> +#if HAS_NETWORKING
>>>>>>> +#
>>>>>>> +#noinst_PROGRAMS = network.rel
>>>>>>> +#
>>>>>>> +#network_rel_SOURCES = ../shared/lpc/network/lpc-ethernet.c
>>>>>>> +#network_rel_CPPFLAGS = $(AM_CPPFLAGS)
>>>>>>> -D__INSIDE_RTEMS_BSD_TCPIP_STACK__ -D__BSD_VISIBLE
>>>>>>> +#network_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
>>>>>>> +#
>>>>>>> +#
>>>>>>> +#libbsp_a_LIBADD += network.rel
>>>>>>> +#
>>>>>>> +#endif
>>>>>>> +
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +# Special Rules
>>>>>>> #
>>>>>>>
>>>>>>> +###############################################################################
>>>>>>> +
>>>>>>> +DISTCLEANFILES = include/bspopts.h
>>>>>>> +
>>>>>>> +include $(srcdir)/preinstall.am
>>>>>>> +include $(top_srcdir)/../../../../automake/local.am
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/README
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/README
>>>>>>> new file mode 100755
>>>>>>> index 0000000..7c92d55
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/README
>>>>>>> @@ -0,0 +1,65 @@
>>>>>>> +BSP for the Raspberry Pi ARM board
>>>>>>> +This is a basic port that should work on either Model A or Model B.
>>>>>>> +
>>>>>>> +It currently supports the following devices:
>>>>>>> + o Console using the PL011 UART0
>>>>>>> + The console driver only works with polled mode right now,
>>>>>>> + the interrupt code is there, but it does not work yet.
>>>>>>> + The console driver is currently hardcoded at 115k 8N1
>>>>>>> + o Clock uses the internal ARM timer
>>>>>>> + The Raspberry Pi can be overclocked through the config.txt file,
>>>>>>> this
>>>>>>> + would affect the duration of the clock tick.
>>>>>>> + o Benchmark timer reads the lower 32 bit GPU timer register
>>>>>>> +
>>>>>>> +To run an RTEMS binary, it must be stripped and loaded on the SD card
>>>>>>> along with
>>>>>>> +the following files:
>>>>>>> + bootcode.bin
>>>>>>> + config.txt
>>>>>>> + loader.bin
>>>>>>> + start.elf
>>>>>>> + kernel.img ( the RTEMS binary, you can change the name in config.txt
>>>>>>> )
>>>>>>> +
>>>>>>> +These files can be obtained from a Linux installation image, or from
>>>>>>> here:
>>>>>>> +https://github.com/raspberrypi/firmware
>>>>>>> +
>>>>>>> +I used an old 256MB SD card to boot RTEMS.
>>>>>>> +Much more information about the SD card file and bootloader can be
>>>>>>> found here:
>>>>>>> +http://elinux.org/RPi_Hub
>>>>>>> +http://www.raspberrypi.org
>>>>>>> +
>>>>>>> +The linker script is set up for 128MB, so it can be used with a GPU/ARM
>>>>>>> split
>>>>>>> +of 128/128.
>>>>>>> +The bootloader that is used on the SD card determines the split of RAM
>>>>>>> between the
>>>>>>> +ARM and the GPU. It might make sense to adjust the GPU/ARM memory split
>>>>>>> to give
>>>>>>> +more memory to RTEMS, especially on a 512MB board.
>>>>>>> +
>>>>>>> +To do:
>>>>>>> + It would be nice to get support in the BSP for the following:
>>>>>>> + o SD card
>>>>>>> + o USB and USB 10/100 network chip on Model B
>>>>>>> + o SPI
>>>>>>> + o GPIO
>>>>>>> + o ARM MMU
>>>>>>> + o Graphics console
>>>>>>> + o Sound
>>>>>>> +
>>>>>>> +Credits and links:
>>>>>>> +
>>>>>>> + There is a wealth of code and information to reference on the
>>>>>>> raspberrypi.org bare metal forums:
>>>>>>> + http://www.raspberrypi.org/phpBB3/viewforum.php?f=72
>>>>>>> +
>>>>>>> + I found information about how to program the timers, interrupts, and
>>>>>>> UART 0
>>>>>>> + from the examples provided by:
>>>>>>> +
>>>>>>> + David Welch:
>>>>>>> + https://github.com/dwelch67/raspberrypi
>>>>>>> + The readme file at his github repository has valuable information
>>>>>>> about connecting a UART cable, JTAG etc.
>>>>>>> +
>>>>>>> + Steve Bate:
>>>>>>> + http://www.stevebate.net/chibios-rpi/GettingStarted.html
>>>>>>> + Steve provided a port of the Chibios RTOS to the raspberry Pi
>>>>>>> +
>>>>>>> + James Walmsley:
>>>>>>> + http://www.raspberrypi.org/phpBB3/viewtopic.php?f=72&t=22423
>>>>>>> + James ported FreeRTOS to the raspberry Pi.
>>>>>>> +
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/bsp_specs
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/bsp_specs
>>>>>>> new file mode 100755
>>>>>>> index 0000000..082653a
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/bsp_specs
>>>>>>> @@ -0,0 +1,13 @@
>>>>>>> +%rename endfile old_endfile
>>>>>>> +%rename startfile old_startfile
>>>>>>> +%rename link old_link
>>>>>>> +
>>>>>>> +*startfile:
>>>>>>> +%{!qrtems: %(old_startfile)} \
>>>>>>> +%{!nostdlib: %{qrtems: start.o%s crti.o%s crtbegin.o%s -e _start}}
>>>>>>> +
>>>>>>> +*link:
>>>>>>> +%{!qrtems: %(old_link)} %{qrtems: -dc -dp -N}
>>>>>>> +
>>>>>>> +*endfile:
>>>>>>> +%{!qrtems: *(old_endfiles)} %{qrtems: crtend.o%s crtn.o%s }
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/clock/clockdrv.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/clock/clockdrv.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..63017fb
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/clock/clockdrv.c
>>>>>>> @@ -0,0 +1,97 @@
>>>>>>> +/*
>>>>>>> + * BCM2835 Clock driver
>>>>>>> + *
>>>>>>> + * Copyright (c) 2002 by Jay Monkman <jtm at smoothsmoothie.com>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + *
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>> Delete the blank line here.
>>>>>>
>>>>>>> + *
>>>>>>> + *
>>>>>>> + * $Id: clockdrv.c,v 1.13 2010/04/30 14:48:52 sh Exp $
>>>>>> Deleyte the $Id$ and extra blank lines.
>>>>>>
>>>>>>> +*/
>>>>>>> +
>>>>>>> +#include <rtems.h>
>>>>>>> +#include <bsp.h>
>>>>>>> +#include <bsp/irq.h>
>>>>>>> +#include <bsp/irq-generic.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +
>>>>>>> +#define CLOCK_VECTOR 0
>>>>>>> +
>>>>>>> +void Clock_isr(rtems_irq_hdl_param arg);
>>>>>>> +static void clock_isr_on(const rtems_irq_connect_data *unused);
>>>>>>> +static void clock_isr_off(const rtems_irq_connect_data *unused);
>>>>>>> +static int clock_isr_is_on(const rtems_irq_connect_data *irq);
>>>>>>> +uint32_t clock_driver_get_nanoseconds_since_last_tick(void);
>>>>>>> +
>>>>>>> +rtems_irq_connect_data clock_isr_data =
>>>>>>> +{
>>>>>>> + BCM2835_IRQ_ID_TIMER_0 ,
>>>>>>> + (rtems_irq_hdl)Clock_isr,
>>>>>>> + NULL,
>>>>>>> + clock_isr_on,
>>>>>>> + clock_isr_off,
>>>>>>> + clock_isr_is_on
>>>>>>> +};
>>>>>>> +
>>>>>>> +#define Clock_driver_support_at_tick() \
>>>>>>> + do { \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_CLI) = 0; \
>>>>>>> + } while(0)
>>>>>>> +
>>>>>>> +#define Clock_driver_support_install_isr( _new, _old ) \
>>>>>>> + do { \
>>>>>>> + (_old) = NULL; /* avoid warning */; \
>>>>>>> + BSP_install_rtems_irq_handler(&clock_isr_data); \
>>>>>>> + } while(0)
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Set up the clock hardware
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define Clock_driver_support_initialize_hardware() \
>>>>>>> + do { \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_CTL) = 0x003E0000; \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_LOD) = 10000 - 1; \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_RLD) = 10000 - 1; \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_DIV) = BCM2835_TIMER_PRESCALE; \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_CLI) = 0; \
>>>>>>> + BCM2835_REG(BCM2835_TIMER_CTL) = 0x003E00A2; \
>>>>>>> + } while (0)
>>>>>>> +
>>>>>>> +#define Clock_driver_support_shutdown_hardware() \
>>>>>>> + do { \
>>>>>>> + BSP_remove_rtems_irq_handler(&clock_isr_data); \
>>>>>>> + } while (0)
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Return the nanoseconds since last tick
>>>>>>> + */
>>>>>>> +uint32_t clock_driver_get_nanoseconds_since_last_tick(void)
>>>>>>> +{
>>>>>>> + return 0;
>>>>>>> +}
>>>>>>> +
>>>>>>> +#define Clock_driver_nanoseconds_since_last_tick \
>>>>>>> + clock_driver_get_nanoseconds_since_last_tick
>>>>>>> +
>>>>>>> +static void clock_isr_on(const rtems_irq_connect_data *unused)
>>>>>>> +{
>>>>>>> + bsp_interrupt_vector_enable(BCM2835_IRQ_ID_TIMER_0);
>>>>>>> + return;
>>>>>>> +}
>>>>>>> +
>>>>>>> +static void clock_isr_off(const rtems_irq_connect_data *unused)
>>>>>>> +{
>>>>>>> + bsp_interrupt_vector_disable(BCM2835_IRQ_ID_TIMER_0);
>>>>>>> + return;
>>>>>>> +}
>>>>>>> +
>>>>>>> +static int clock_isr_is_on(const rtems_irq_connect_data *irq)
>>>>>>> +{
>>>>>>> + return 1;
>>>>>>> +}
>>>>>>> +
>>>>>>> +#include "../../../shared/clockdrv_shell.h"
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/configure.ac
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/configure.ac
>>>>>>> new file mode 100755
>>>>>>> index 0000000..cfb1918
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/configure.ac
>>>>>>> @@ -0,0 +1,31 @@
>>>>>>> +##
>>>>>>> +#
>>>>>>> +# @file
>>>>>>> +#
>>>>>>> +# @brief Configure script of LibBSP for the Raspberry Pi boards.
>>>>>>> +#
>>>>>>> +
>>>>>>> +AC_PREREQ([2.68])
>>>>>>>
>>>>>>> +AC_INIT([rtems-c-src-lib-libbsp-arm-raspberry_pi],[_RTEMS_VERSION],[rtems-bugs at rtems.com])
>>>>>> Change the rtems-bugs at rtems.com to http://www.rtems.org/bugzilla
>>>>>>
>>>>>>> +AC_CONFIG_SRCDIR([bsp_specs])
>>>>>>> +RTEMS_TOP(../../../../../..)
>>>>>>> +
>>>>>>> +RTEMS_CANONICAL_TARGET_CPU
>>>>>>> +AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.11.1])
>>>>>> Bump this to 1.12.2 I think we are on now.
>>>>>>
>>>>>>> +RTEMS_BSP_CONFIGURE
>>>>>>> +
>>>>>>> +RTEMS_PROG_CC_FOR_TARGET
>>>>>>> +RTEMS_CANONICALIZE_TOOLS
>>>>>>> +RTEMS_PROG_CCAS
>>>>>>> +
>>>>>>> +RTEMS_CHECK_NETWORKING
>>>>>>> +AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
>>>>>>> +
>>>>>>> +RTEMS_BSPOPTS_SET([BSP_START_RESET_VECTOR],[*],[])
>>>>>>> +RTEMS_BSPOPTS_HELP([BSP_START_RESET_VECTOR],[reset vector address for
>>>>>>> BSP start])
>>>>>>> +
>>>>>>> +RTEMS_BSP_CLEANUP_OPTIONS(0, 0)
>>>>>>> +RTEMS_BSP_LINKCMDS
>>>>>>> +
>>>>>>> +AC_CONFIG_FILES([Makefile])
>>>>>>> +AC_OUTPUT
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/console/console.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/console/console.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..5156737
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/console/console.c
>>>>>>> @@ -0,0 +1,457 @@
>>>>>>> +/*
>>>>>>> + * Console driver for the Raspberry Pi PL011 UART0
>>>>>>> + *
>>>>>>> + * Based on a driver by Jay Monkman <jtm at lopingdog.com>
>>>>>>> + * Copyright (c) 2005 by Loping Dog Embedded Systems
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license
>>>>>>> + *
>>>>>>> + * $Id: uart.c,v 1.9 2010/04/30 14:40:16 sh Exp $
>>>>>> Remove $Id$
>>>>>>
>>>>>>> + */
>>>>>>> +#include <bsp.h>
>>>>>>> +#include <rtems/libio.h>
>>>>>>> +#include <libchip/sersupp.h>
>>>>>>> +#include <rtems/error.h>
>>>>>>> +#include <rtems/bspIo.h>
>>>>>>> +#include <termios.h>
>>>>>>> +#include <rtems/irq.h>
>>>>>>> +#include <bsp/irq.h>
>>>>>>> +#include <bsp/irq-generic.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +#include <bsp/uart-output-char.h>
>>>>>>> +
>>>>>>> +/* Define this to use interrupt driver UART driver */
>>>>>>> +/* Note: The interrupt driver does not currently work */
>>>>>>> +/* #define USE_INTERRUPTS 1 */
>>>>>>> +#undef USE_INTERRUPTS
>>>>>>> +
>>>>>>> +#define poll_write(c) uart0_poll_write_char(0, c)
>>>>>>> +#define poll_read() uart0_poll_read_char(0)
>>>>>>> +
>>>>>>> +int _BSP_poll_char(void);
>>>>>>> +void _BSP_output_char(char c);
>>>>>>> +int uart0_poll_read_char(int minor);
>>>>>>> +void uart0_poll_write_char(int minor, char c);
>>>>>>> +
>>>>>>> +static int uart0_first_open(int, int, void *);
>>>>>>> +static int uart0_last_close(int, int, void *);
>>>>>>> +static int uart0_poll_read(int);
>>>>>>> +static int uart0_set_attrs(int, const struct termios *);
>>>>>>> +static void uart0_init(int minor);
>>>>>>> +static void uart0_set_baud(int, int);
>>>>>>> +static ssize_t uart0_poll_write(int, const char *, size_t);
>>>>>>> +
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> +static void uart0_isr(rtems_irq_hdl_param);
>>>>>>> +static void uart0_isr_on(const rtems_irq_connect_data *irq);
>>>>>>> +static void uart0_isr_off(const rtems_irq_connect_data *irq);
>>>>>>> +static int uart0_isr_is_on(const rtems_irq_connect_data *irq);
>>>>>>> +static ssize_t uart0_intr_write(int, const char *, size_t);
>>>>>>> +#endif
>>>>>>> +
>>>>>>> +/* TERMIOS callbacks */
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> +rtems_termios_callbacks uart0_cbacks =
>>>>>>> +{
>>>>>>> + .firstOpen = uart0_first_open,
>>>>>>> + .lastClose = uart0_last_close,
>>>>>>> + .pollRead = NULL,
>>>>>>> + .write = uart0_intr_write,
>>>>>>> + .setAttributes = uart0_set_attrs,
>>>>>>> + .stopRemoteTx = NULL,
>>>>>>> + .startRemoteTx = NULL,
>>>>>>> + .outputUsesInterrupts = 1,
>>>>>>> +};
>>>>>>> +#else
>>>>>>> +rtems_termios_callbacks uart0_cbacks =
>>>>>>> +{
>>>>>>> + .firstOpen = uart0_first_open,
>>>>>>> + .lastClose = uart0_last_close,
>>>>>>> + .pollRead = uart0_poll_read,
>>>>>>> + .write = uart0_poll_write,
>>>>>>> + .setAttributes = uart0_set_attrs,
>>>>>>> + .stopRemoteTx = NULL,
>>>>>>> + .startRemoteTx = NULL,
>>>>>>> + .outputUsesInterrupts = 0,
>>>>>>> +};
>>>>>>> +#endif
>>>>>>> +
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> +static rtems_irq_connect_data uart0_isr_data;
>>>>>>> +#endif
>>>>>>> +
>>>>>>> +typedef struct
>>>>>>> +{
>>>>>>> + int minor;
>>>>>>> + volatile const char * buf;
>>>>>>> + volatile int len;
>>>>>>> + volatile int idx;
>>>>>>> + void * tty;
>>>>>>> +
>>>>>>> +} uart0_data_t;
>>>>>>> +
>>>>>>> +static uart0_data_t uart0_data;
>>>>>>> +
>>>>>>> +static void uart0_delay(uint32_t n)
>>>>>>> +{
>>>>>>> + volatile uint32_t i = 0;
>>>>>>> + for(i = 0; i < n; i++);
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_initialize(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void *arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + rtems_status_code status;
>>>>>>> +
>>>>>>> + uart0_init(0);
>>>>>>> +
>>>>>>> + rtems_termios_initialize();
>>>>>>> +
>>>>>>> + /* /dev/console and /dev/tty0 are the same */
>>>>>>> + status = rtems_io_register_name("/dev/console", major, 0);
>>>>>>> + if (status != RTEMS_SUCCESSFUL)
>>>>>>> + {
>>>>>>> + rtems_panic("%s:%d Error registering /dev/console :: %d\n",
>>>>>>> + __FUNCTION__, __LINE__, status);
>>>>>>> + }
>>>>>>> +
>>>>>>> + status = rtems_io_register_name("/dev/tty0", major, 0);
>>>>>>> + if (status != RTEMS_SUCCESSFUL)
>>>>>>> + {
>>>>>>> + rtems_panic("%s:%d Error registering /dev/tty0 :: %d\n",
>>>>>>> + __FUNCTION__, __LINE__, status);
>>>>>>> + }
>>>>>>> + return RTEMS_SUCCESSFUL;
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_open(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void * arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + rtems_status_code rc;
>>>>>>> +
>>>>>>> + if (minor > 0)
>>>>>>> + {
>>>>>>> + return RTEMS_INVALID_NUMBER;
>>>>>>> + }
>>>>>>> +
>>>>>>> + rc = rtems_termios_open(major, minor, arg, &uart0_cbacks);
>>>>>>> +
>>>>>>> + return rc;
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_close(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void * arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + return rtems_termios_close(arg);
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_read(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void * arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + return rtems_termios_read(arg);
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_write(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void * arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + return rtems_termios_write(arg);
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_device_driver console_control(
>>>>>>> + rtems_device_major_number major,
>>>>>>> + rtems_device_minor_number minor,
>>>>>>> + void * arg
>>>>>>> +)
>>>>>>> +{
>>>>>>> + return rtems_termios_ioctl(arg);
>>>>>>> +}
>>>>>>> +
>>>>>>> +static void uart0_init(int minor)
>>>>>>> +{
>>>>>>> + unsigned int gpio_reg;
>>>>>>> +
>>>>>>> + uart0_data.minor = minor;
>>>>>>> + uart0_data.buf = NULL;
>>>>>>> + uart0_data.len = 0;
>>>>>>> + uart0_data.idx = 0;
>>>>>>> +
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> + uart0_isr_data.name = BCM2835_IRQ_ID_UART;
>>>>>>> + uart0_isr_data.hdl = uart0_isr;
>>>>>>> + uart0_isr_data.handle = &uart0_data;
>>>>>>> + uart0_isr_data.on = uart0_isr_on;
>>>>>>> + uart0_isr_data.off = uart0_isr_off;
>>>>>>> + uart0_isr_data.isOn = uart0_isr_is_on;
>>>>>>> +#endif
>>>>>>> +
>>>>>>> + /*
>>>>>>> + ** Program GPIO pins for UART 0
>>>>>>> + */
>>>>>>> + gpio_reg = BCM2835_REG(BCM2835_GPIO_GPFSEL1);
>>>>>>> + gpio_reg &= ~(7<<12); /* gpio14 */
>>>>>>> + gpio_reg |= (4<<12); /* alt0 */
>>>>>>> + gpio_reg &= ~(7<<15); /* gpio15 */
>>>>>>> + gpio_reg |= (4<<15); /* alt0 */
>>>>>>> + BCM2835_REG(BCM2835_GPIO_GPFSEL1) = gpio_reg;
>>>>>>> +
>>>>>>> + BCM2835_REG(BCM2835_GPIO_GPPUD) = 0;
>>>>>>> + uart0_delay(150);
>>>>>>> + BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = (1<<14)|(1<<15);
>>>>>>> + uart0_delay(150);
>>>>>>> + BCM2835_REG(BCM2835_GPIO_GPPUDCLK0) = 0;
>>>>>>> +
>>>>>>> + /*
>>>>>>> + ** Init the PL011 UART
>>>>>>> + */
>>>>>>> + BCM2835_REG(BCM2835_UART0_CR) = 0;
>>>>>>> + BCM2835_REG(BCM2835_UART0_ICR) = 0x7FF;
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = 0;
>>>>>>> + BCM2835_REG(BCM2835_UART0_IBRD) = 1;
>>>>>>> + BCM2835_REG(BCM2835_UART0_FBRD) = 40;
>>>>>>> + BCM2835_REG(BCM2835_UART0_LCRH) = 0x70;
>>>>>>> + BCM2835_REG(BCM2835_UART0_RSRECR) = 0;
>>>>>>> +
>>>>>>> + BCM2835_REG(BCM2835_UART0_CR) = 0x301;
>>>>>>> +
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_RX;
>>>>>>> +
>>>>>>> + uart0_set_baud(0, 115000);
>>>>>>> +}
>>>>>>> +
>>>>>>> +
>>>>>>> +static int uart0_first_open(int major, int minor, void *arg)
>>>>>>> +{
>>>>>>> + rtems_libio_open_close_args_t *args = arg;
>>>>>>> +
>>>>>>> + uart0_data.tty = args->iop->data1;
>>>>>>> +
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> + BSP_install_rtems_irq_handler(&uart0_isr_data);
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_RX;
>>>>>>> +#endif
>>>>>>> + return 0;
>>>>>>> +}
>>>>>>> +
>>>>>>> +static int uart0_last_close(int major, int minor, void *arg)
>>>>>>> +{
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = 0;
>>>>>>> + BSP_remove_rtems_irq_handler(&uart0_isr_data);
>>>>>>> +#endif
>>>>>>> + return 0;
>>>>>>> +}
>>>>>>> +
>>>>>>> +static int uart0_poll_read(int minor)
>>>>>>> +{
>>>>>>> + if (minor == 0)
>>>>>>> + {
>>>>>>> + if(((BCM2835_REG(BCM2835_UART0_FR)) & BCM2835_UART0_FR_RXFE) ==
>>>>>>> 0)
>>>>>>> + {
>>>>>>> + return((BCM2835_REG(BCM2835_UART0_DR)) & 0xFF );
>>>>>>> + }
>>>>>>> + else
>>>>>>> + {
>>>>>>> + return -1;
>>>>>>> + }
>>>>>>> + }
>>>>>>> + else
>>>>>>> + {
>>>>>>> + printk("Unknown console minor number: %d\n", minor);
>>>>>>> + return -1;
>>>>>>> + }
>>>>>>> +}
>>>>>>> +
>>>>>>> +static ssize_t uart0_poll_write(int minor, const char *buf, size_t len)
>>>>>>> +{
>>>>>>> + int i;
>>>>>>> +
>>>>>>> + if (minor == 0)
>>>>>>> + {
>>>>>>> + for (i = 0; i < len; i++)
>>>>>>> + {
>>>>>>> + while (1)
>>>>>>> + {
>>>>>>> + if ((BCM2835_REG(BCM2835_UART0_FR) &
>>>>>>> BCM2835_UART0_FR_TXFF) == 0) break;
>>>>>>> + }
>>>>>>> + BCM2835_REG(BCM2835_UART0_DR) = buf[i];
>>>>>>> + }
>>>>>>> + }
>>>>>>> + else
>>>>>>> + {
>>>>>>> + printk("Unknown console minor number: %d\n", minor);
>>>>>>> + return -1;
>>>>>>> + }
>>>>>>> + return 1;
>>>>>>> +}
>>>>>>> +
>>>>>>> +/* This is for setting baud rate, bits, etc. */
>>>>>>> +static int uart0_set_attrs(int minor, const struct termios *t)
>>>>>>> +{
>>>>>>> + int baud;
>>>>>>> +
>>>>>>> + baud = rtems_termios_baud_to_number(t->c_cflag & CBAUD);
>>>>>>> + uart0_set_baud(minor, baud);
>>>>>>> +
>>>>>>> + return 0;
>>>>>>> +}
>>>>>>> +
>>>>>>> +#if defined(USE_INTERRUPTS)
>>>>>>> +static ssize_t uart0_intr_write(int minor, const char *buf, size_t len)
>>>>>>> +{
>>>>>>> + uart0_data.buf = buf;
>>>>>>> + uart0_data.len = len;
>>>>>>> + uart0_data.idx = 0;
>>>>>>> +
>>>>>>> + /* Enable transmit interrupt */
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_TX |
>>>>>>> BCM2835_UART0_IMSC_RX;
>>>>>>> +
>>>>>>> + return 1;
>>>>>>> +}
>>>>>>> +
>>>>>>> +
>>>>>>> +static void uart0_isr_on(const rtems_irq_connect_data *irq)
>>>>>>> +{
>>>>>>> + bsp_interrupt_vector_enable(BCM2835_IRQ_ID_UART);
>>>>>>> +}
>>>>>>> +
>>>>>>> +static void uart0_isr_off(const rtems_irq_connect_data *irq)
>>>>>>> +{
>>>>>>> + bsp_interrupt_vector_disable(BCM2835_IRQ_ID_UART);
>>>>>>> +}
>>>>>>> +
>>>>>>> +static int uart0_isr_is_on(const rtems_irq_connect_data *irq)
>>>>>>> +{
>>>>>>> + /* TODO: Need a function in irq.c to return interrupt state */
>>>>>>> + return(1);
>>>>>>> +}
>>>>>>> +
>>>>>>> +/*
>>>>>>> +** Handle both the receive and transmit interrupts
>>>>>>> +*/
>>>>>>> +static void uart0_isr(rtems_irq_hdl_param param)
>>>>>>> +{
>>>>>>> + uart0_data_t *uart_data = param;
>>>>>>> + char buf[32];
>>>>>>> + int i=0;
>>>>>>> + int len;
>>>>>>> +
>>>>>>> + /*
>>>>>>> + ** Process receive interrupt
>>>>>>> + */
>>>>>>> + if (BCM2835_REG(BCM2835_UART0_MIS) & BCM2835_UART0_MIS_RX)
>>>>>>> + {
>>>>>>> + while(((BCM2835_REG(BCM2835_UART0_FR)) & BCM2835_UART0_FR_RXFE)
>>>>>>> == 0)
>>>>>>> + {
>>>>>>> + buf[i] = BCM2835_REG(BCM2835_UART0_DR) & 0xFF;
>>>>>>> + i++;
>>>>>>> + }
>>>>>>> + /* Clear RX Interrupt */
>>>>>>> + BCM2835_REG(BCM2835_UART0_ICR) = BCM2835_UART0_ICR_RX;
>>>>>>> +
>>>>>>> + rtems_termios_enqueue_raw_characters(uart_data->tty, buf, i);
>>>>>>> +
>>>>>>> + }
>>>>>>> +
>>>>>>> + /*
>>>>>>> + ** Process transmit interrupt
>>>>>>> + while ( (((uart_data->regs->aux_mu_lsr_reg) & 0x20) == 0x01) &&
>>>>>>> + */
>>>>>>> +
>>>>>>> + if (BCM2835_REG(BCM2835_UART0_MIS) & BCM2835_UART0_MIS_TX)
>>>>>>> + {
>>>>>>> + if (uart_data->idx < uart_data->len)
>>>>>>> + {
>>>>>>> + while ((BCM2835_REG(BCM2835_UART0_FR) &
>>>>>>> BCM2835_UART0_FR_TXFF) &&
>>>>>>> + (uart_data->idx < uart_data->len))
>>>>>>> + {
>>>>>>> + BCM2835_REG(BCM2835_UART0_DR) =
>>>>>>> uart_data->buf[uart_data->idx];
>>>>>>> + uart_data->idx++;
>>>>>>> + }
>>>>>>> +
>>>>>>> + /* Clear TX Interrupt */
>>>>>>> + BCM2835_REG(BCM2835_UART0_ICR) = BCM2835_UART0_ICR_TX;
>>>>>>> +
>>>>>>> + }
>>>>>>> + }
>>>>>>> + else
>>>>>>> + {
>>>>>>> + len = uart_data->len;
>>>>>>> + uart_data->len = 0;
>>>>>>> +
>>>>>>> + /* Clear TX Interrupt */
>>>>>>> + BCM2835_REG(BCM2835_UART0_ICR) = BCM2835_UART0_ICR_TX;
>>>>>>> +
>>>>>>> + /* Disable TX Interrupt, leaving RX enabled */
>>>>>>> + BCM2835_REG(BCM2835_UART0_IMSC) = BCM2835_UART0_IMSC_RX;
>>>>>>> + rtems_termios_dequeue_characters(uart_data->tty, len);
>>>>>>> +
>>>>>>> + }
>>>>>>> +
>>>>>>> +}
>>>>>>> +
>>>>>>> +#endif
>>>>>>> +
>>>>>>> +static void uart0_set_baud(int minor, int baud)
>>>>>>> +{
>>>>>>> + /*
>>>>>>> + ** Nothing for now
>>>>>>> + ** just keep it at 115k
>>>>>>> + */
>>>>>>> + return;
>>>>>>> +}
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Polled, non-blocking read from UART
>>>>>>> + */
>>>>>>> +int uart0_poll_read_char(int minor)
>>>>>>> +{
>>>>>>> + return uart0_poll_read(minor);
>>>>>>> +}
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Polled, blocking write from UART
>>>>>>> + */
>>>>>>> +void uart0_poll_write_char(int minor, char c)
>>>>>>> +{
>>>>>>> + uart0_poll_write(minor, &c, 1);
>>>>>>> +}
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Functions for printk() and friends.
>>>>>>> + */
>>>>>>> +void _BSP_output_char(char c)
>>>>>>> +{
>>>>>>> + poll_write(c);
>>>>>>> + if (c == '\n')
>>>>>>> + {
>>>>>>> + poll_write('\r');
>>>>>>> + }
>>>>>>> +}
>>>>>>> +
>>>>>>> +BSP_output_char_function_type BSP_output_char = _BSP_output_char;
>>>>>>> +
>>>>>>> +int _BSP_poll_char(void)
>>>>>>> +{
>>>>>>> + return poll_read();
>>>>>>> +}
>>>>>>> +
>>>>>>> +BSP_polling_getchar_function_type BSP_poll_char = _BSP_poll_char;
>>>>>>> +
>>>>>>> +
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/include/bsp.h
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/include/bsp.h
>>>>>>> new file mode 100755
>>>>>>> index 0000000..c83cfe9
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/include/bsp.h
>>>>>>> @@ -0,0 +1,44 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Global BSP definitions.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#ifndef LIBBSP_ARM_RASPBERRY_PI_BSP_H
>>>>>>> +#define LIBBSP_ARM_RASPBERRY_PI_BSP_H
>>>>>>> +
>>>>>>> +#include <bspopts.h>
>>>>>>> +
>>>>>>> +#include <rtems.h>
>>>>>>> +#include <rtems/console.h>
>>>>>>> +#include <rtems/clockdrv.h>
>>>>>>> +
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +
>>>>>>> +#ifdef __cplusplus
>>>>>>> +extern "C" {
>>>>>>> +#endif /* __cplusplus */
>>>>>>> +
>>>>>>> +#define BSP_FEATURE_IRQ_EXTENSION
>>>>>>> +
>>>>>>> +
>>>>>>> +#ifdef __cplusplus
>>>>>>> +}
>>>>>>> +#endif /* __cplusplus */
>>>>>>> +
>>>>>>> +#endif /* LIBBSP_ARM_RASPBERRY_PI_BSP_H */
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/include/irq.h
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/include/irq.h
>>>>>>> new file mode 100755
>>>>>>> index 0000000..e7ad1e4
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/include/irq.h
>>>>>>> @@ -0,0 +1,72 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup bsp_interrupt
>>>>>>> + *
>>>>>>> + * @brief Interrupt definitions.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#ifndef LIBBSP_ARM_RASBPERRY_PI_IRQ_H
>>>>>>> +#define LIBBSP_ARM_RASPBERRY_PI_IRQ_H
>>>>>>> +
>>>>>>> +#ifndef ASM
>>>>>>> +
>>>>>>> +#include <rtems.h>
>>>>>>> +#include <rtems/irq.h>
>>>>>>> +#include <rtems/irq-extension.h>
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @addtogroup bsp_interrupt
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +#define BCM2835_INTC_TOTAL_IRQ 64 + 8
>>>>>>> +
>>>>>>> +
>>>>>>> +#define BCM2835_IRQ_ID_AUX 29
>>>>>>> +#define BCM2835_IRQ_ID_SPI_SLAVE 43
>>>>>>> +#define BCM2835_IRQ_ID_PWA0 45
>>>>>>> +#define BCM2835_IRQ_ID_PWA1 46
>>>>>>> +#define BCM2835_IRQ_ID_SMI 48
>>>>>>> +#define BCM2835_IRQ_ID_GPIO_0 49
>>>>>>> +#define BCM2835_IRQ_ID_GPIO_1 50
>>>>>>> +#define BCM2835_IRQ_ID_GPIO_2 51
>>>>>>> +#define BCM2835_IRQ_ID_GPIO_3 52
>>>>>>> +#define BCM2835_IRQ_ID_I2C 53
>>>>>>> +#define BCM2835_IRQ_ID_SPI 54
>>>>>>> +#define BCM2835_IRQ_ID_PCM 55
>>>>>>> +#define BCM2835_IRQ_ID_UART 57
>>>>>>> +
>>>>>>> +
>>>>>>> +#define BCM2835_IRQ_ID_TIMER_0 64
>>>>>>> +#define BCM2835_IRQ_ID_MAILBOX_0 65
>>>>>>> +#define BCM2835_IRQ_ID_DOORBELL_0 66
>>>>>>> +#define BCM2835_IRQ_ID_DOORBELL_1 67
>>>>>>> +#define BCM2835_IRQ_ID_GPU0_HALTED 68
>>>>>>> +
>>>>>>> +#define BSP_INTERRUPT_VECTOR_MIN (0)
>>>>>>> +#define BSP_INTERRUPT_VECTOR_MAX (BCM2835_INTC_TOTAL_IRQ - 1)
>>>>>>> +
>>>>>>> +#define BSP_IRQ_COUNT (BCM2835_INTC_TOTAL_IRQ)
>>>>>>> +
>>>>>>> +
>>>>>>> +void raspberry_pi_set_exception_handler(Arm_symbolic_exception_name
>>>>>>> exception,
>>>>>>> + void (*handler)(void));
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +#endif /* ASM */
>>>>>>> +#endif /* LIBBSP_ARM_RASPBERRY_PI_IRQ_H */
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/include/mmu.h
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/include/mmu.h
>>>>>>> new file mode 100755
>>>>>>> index 0000000..8b50bd2
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/include/mmu.h
>>>>>>> @@ -0,0 +1,64 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup lpc32xx_mmu
>>>>>>> + *
>>>>>>> + * @brief MMU API.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#ifndef LIBBSP_ARM_RASPBERRY_PI_MMU_H
>>>>>>> +#define LIBBSP_ARM_RASPBERRY_PI_MMU_H
>>>>>>> +
>>>>>>> +#include <libcpu/arm-cp15.h>
>>>>>>> +
>>>>>>> +#ifdef __cplusplus
>>>>>>> +extern "C" {
>>>>>>> +#endif /* __cplusplus */
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @defgroup raspberry_pi_mmu MMU Support
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief MMU support.
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define RASPBERRY_PI_MMU_CLIENT_DOMAIN 15U
>>>>>>> +
>>>>>>> +#define RASPBERRY_PI_MMU_READ_ONLY \
>>>>>>> + ((RASPBERRY_PI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
>>>>>>> + | ARM_MMU_SECT_DEFAULT)
>>>>>>> +
>>>>>>> +#define RASPBERRY_PI_MMU_READ_ONLY_CACHED \
>>>>>>> + (RASPBERRY_PI_MMU_READ_ONLY | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
>>>>>>> +
>>>>>>> +#define RASPBERRY_PI_MMU_READ_WRITE \
>>>>>>> + ((RASPBERRY_PI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
>>>>>>> + | ARM_MMU_SECT_AP_0 \
>>>>>>> + | ARM_MMU_SECT_DEFAULT)
>>>>>>> +
>>>>>>> +#define RASPBERRY_PI_MMU_READ_WRITE_CACHED \
>>>>>>> + (RASPBERRY_PI_MMU_READ_WRITE | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +#ifdef __cplusplus
>>>>>>> +}
>>>>>>> +#endif /* __cplusplus */
>>>>>>> +
>>>>>>> +#endif /* LIBBSP_ARM_RASPBERRY_PI_MMU_H */
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/include/raspberry_pi.h
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/include/raspberry_pi.h
>>>>>>> new file mode 100755
>>>>>>> index 0000000..ed914e4
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/include/raspberry_pi.h
>>>>>>> @@ -0,0 +1,186 @@
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * raspberry_pi.h
>>>>>>> + *
>>>>>>> + * Alan Cudmore
>>>>>>> + * alan.cudmore at gmail.com
>>>>>> Please add copyright and year here. Can omit email address, we will
>>>>>> put it in the git commit message (provide the authorship info in your
>>>>>> next submission.)
>>>>>>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http:
>>>>>>> + */
>>>>>> Fix this missing license info.
>>>>>>
>>>>>>> +
>>>>>>> +#ifndef LIBBSP_ARM_RASPBERRY_PI_RASPBERRY_PI_H
>>>>>>> +#define LIBBSP_ARM_RASPBERRY_PI_RASPBERRY_PI_H
>>>>>>> +
>>>>>>> +#include <stdint.h>
>>>>>>> +#include <bsp/utility.h>
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @defgroup raspberry_pi_reg Register Definitions
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Register definitions.
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define BCM2835_REG(x) (*(volatile uint32_t *)(x))
>>>>>>> +#define BCM2835_BIT(n) (1 << (n))
>>>>>>> +#define BCM2835_CLOCK_FREQ 250000000
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name Internal ARM Timer Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define BCM2835_TIMER_BASE (0x2000B400)
>>>>>>> +
>>>>>>> +#define BCM2835_TIMER_LOD (BCM2835_TIMER_BASE+0x00)
>>>>>>> +#define BCM2835_TIMER_VAL (BCM2835_TIMER_BASE+0x04)
>>>>>>> +#define BCM2835_TIMER_CTL (BCM2835_TIMER_BASE+0x08)
>>>>>>> +#define BCM2835_TIMER_CLI (BCM2835_TIMER_BASE+0x0C)
>>>>>>> +#define BCM2835_TIMER_RIS (BCM2835_TIMER_BASE+0x10)
>>>>>>> +#define BCM2835_TIMER_MIS (BCM2835_TIMER_BASE+0x14)
>>>>>>> +#define BCM2835_TIMER_RLD (BCM2835_TIMER_BASE+0x18)
>>>>>>> +#define BCM2835_TIMER_DIV (BCM2835_TIMER_BASE+0x1C)
>>>>>>> +#define BCM2835_TIMER_CNT (BCM2835_TIMER_BASE+0x20)
>>>>>>> +
>>>>>>> +
>>>>>>> +#define BCM2835_TIMER_PRESCALE 0xF9
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name GPIO Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define BCM2835_GPIO_REGS_BASE (0x20200000)
>>>>>>> +
>>>>>>> +#define BCM2835_GPIO_GPFSEL1 (BCM2835_GPIO_REGS_BASE+0x04)
>>>>>>> +#define BCM2835_GPIO_GPSET0 (BCM2835_GPIO_REGS_BASE+0x1C)
>>>>>>> +#define BCM2835_GPIO_GPCLR0 (BCM2835_GPIO_REGS_BASE+0x28)
>>>>>>> +#define BCM2835_GPIO_GPPUD (BCM2835_GPIO_REGS_BASE+0x94)
>>>>>>> +#define BCM2835_GPIO_GPPUDCLK0 (BCM2835_GPIO_REGS_BASE+0x98)
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name AUX Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define BCM2835_AUX_BASE (0x20215000)
>>>>>>> +
>>>>>>> +#define AUX_ENABLES (BCM2835_AUX_BASE+0x04)
>>>>>>> +#define AUX_MU_IO_REG (BCM2835_AUX_BASE+0x40)
>>>>>>> +#define AUX_MU_IER_REG (BCM2835_AUX_BASE+0x44)
>>>>>>> +#define AUX_MU_IIR_REG (BCM2835_AUX_BASE+0x48)
>>>>>>> +#define AUX_MU_LCR_REG (BCM2835_AUX_BASE+0x4C)
>>>>>>> +#define AUX_MU_MCR_REG (BCM2835_AUX_BASE+0x50)
>>>>>>> +#define AUX_MU_LSR_REG (BCM2835_AUX_BASE+0x54)
>>>>>>> +#define AUX_MU_MSR_REG (BCM2835_AUX_BASE+0x58)
>>>>>>> +#define AUX_MU_SCRATCH (BCM2835_AUX_BASE+0x5C)
>>>>>>> +#define AUX_MU_CNTL_REG (BCM2835_AUX_BASE+0x60)
>>>>>>> +#define AUX_MU_STAT_REG (BCM2835_AUX_BASE+0x64)
>>>>>>> +#define AUX_MU_BAUD_REG (BCM2835_AUX_BASE+0x68)
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name UART 0 (PL011) Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +
>>>>>>> +#define BCM2835_UART0_BASE (0x20201000)
>>>>>>> +
>>>>>>> +#define BCM2835_UART0_DR (BCM2835_UART0_BASE+0x00)
>>>>>>> +#define BCM2835_UART0_RSRECR (BCM2835_UART0_BASE+0x04)
>>>>>>> +#define BCM2835_UART0_FR (BCM2835_UART0_BASE+0x18)
>>>>>>> +#define BCM2835_UART0_ILPR (BCM2835_UART0_BASE+0x20)
>>>>>>> +#define BCM2835_UART0_IBRD (BCM2835_UART0_BASE+0x24)
>>>>>>> +#define BCM2835_UART0_FBRD (BCM2835_UART0_BASE+0x28)
>>>>>>> +#define BCM2835_UART0_LCRH (BCM2835_UART0_BASE+0x2C)
>>>>>>> +#define BCM2835_UART0_CR (BCM2835_UART0_BASE+0x30)
>>>>>>> +#define BCM2835_UART0_IFLS (BCM2835_UART0_BASE+0x34)
>>>>>>> +#define BCM2835_UART0_IMSC (BCM2835_UART0_BASE+0x38)
>>>>>>> +#define BCM2835_UART0_RIS (BCM2835_UART0_BASE+0x3C)
>>>>>>> +#define BCM2835_UART0_MIS (BCM2835_UART0_BASE+0x40)
>>>>>>> +#define BCM2835_UART0_ICR (BCM2835_UART0_BASE+0x44)
>>>>>>> +#define BCM2835_UART0_DMACR (BCM2835_UART0_BASE+0x48)
>>>>>>> +#define BCM2835_UART0_ITCR (BCM2835_UART0_BASE+0x80)
>>>>>>> +#define BCM2835_UART0_ITIP (BCM2835_UART0_BASE+0x84)
>>>>>>> +#define BCM2835_UART0_ITOP (BCM2835_UART0_BASE+0x88)
>>>>>>> +#define BCM2835_UART0_TDR (BCM2835_UART0_BASE+0x8C)
>>>>>>> +
>>>>>>> +#define BCM2835_UART0_MIS_RX 0x10
>>>>>>> +#define BCM2835_UART0_MIS_TX 0x20
>>>>>>> +#define BCM2835_UART0_IMSC_RX 0x10
>>>>>>> +#define BCM2835_UART0_IMSC_TX 0x20
>>>>>>> +#define BCM2835_UART0_FR_RXFE 0x10
>>>>>>> +#define BCM2835_UART0_FR_TXFF 0x20
>>>>>>> +#define BCM2835_UART0_ICR_RX 0x10
>>>>>>> +#define BCM2835_UART0_ICR_TX 0x20
>>>>>>> +
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name IRQ Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +#define BCM2835_BASE_INTC (0x2000B200)
>>>>>>> +
>>>>>>> +#define BCM2835_IRQ_BASIC (BCM2835_BASE_INTC + 0x00)
>>>>>>> +#define BCM2835_IRQ_PENDING1 (BCM2835_BASE_INTC + 0x04)
>>>>>>> +#define BCM2835_IRQ_PENDING2 (BCM2835_BASE_INTC + 0x08)
>>>>>>> +#define BCM2835_IRQ_FIQ_CTRL (BCM2835_BASE_INTC + 0x0C)
>>>>>>> +#define BCM2835_IRQ_ENABLE1 (BCM2835_BASE_INTC + 0x10)
>>>>>>> +#define BCM2835_IRQ_ENABLE2 (BCM2835_BASE_INTC + 0x14)
>>>>>>> +#define BCM2835_IRQ_ENABLE_BASIC (BCM2835_BASE_INTC + 0x18)
>>>>>>> +#define BCM2835_IRQ_DISABLE1 (BCM2835_BASE_INTC + 0x1C)
>>>>>>> +#define BCM2835_IRQ_DISABLE2 (BCM2835_BASE_INTC + 0x20)
>>>>>>> +#define BCM2835_IRQ_DISABLE_BASIC (BCM2835_BASE_INTC + 0x24)
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @name GPU Timer Registers
>>>>>>> + *
>>>>>>> + * @{
>>>>>>> + */
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * NOTE: The GPU uses Compare registers 0 and 2 for
>>>>>>> + * it's own RTOS. 1 and 3 are available for use in
>>>>>>> + * RTEMS.
>>>>>>> + */
>>>>>>> +#define BCM2835_GPU_TIMER_BASE (0x20003000)
>>>>>>> +
>>>>>>> +#define BCM2835_GPU_TIMER_CS (BCM2835_TIMER_BASE+0x00)
>>>>>>> +#define BCM2835_GPU_TIMER_CLO (BCM2835_TIMER_BASE+0x04)
>>>>>>> +#define BCM2835_GPU_TIMER_CHI (BCM2835_TIMER_BASE+0x08)
>>>>>>> +#define BCM2835_GPU_TIMER_C0 (BCM2835_TIMER_BASE+0x0C)
>>>>>>> +#define BCM2835_GPU_TIMER_C1 (BCM2835_TIMER_BASE+0x10)
>>>>>>> +#define BCM2835_GPU_TIMER_C2 (BCM2835_TIMER_BASE+0x14)
>>>>>>> +#define BCM2835_GPU_TIMER_C3 (BCM2835_TIMER_BASE+0x18)
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +
>>>>>>> +/** @} */
>>>>>>> +
>>>>>>> +#endif /* LIBBSP_ARM_RASPBERRY_PI_RASPBERRY_PI_H */
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/irq/irq.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/irq/irq.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..ae0a81d
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/irq/irq.c
>>>>>>> @@ -0,0 +1,124 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup bsp_interrupt
>>>>>>> + *
>>>>>>> + * @brief Interrupt support.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#include <rtems/score/armv4.h>
>>>>>>> +
>>>>>>> +#include <bsp.h>
>>>>>>> +#include <bsp/irq.h>
>>>>>>> +#include <bsp/irq-generic.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +#include <bsp/linker-symbols.h>
>>>>>>> +#include <bsp/mmu.h>
>>>>>>> +
>>>>>>> +/*
>>>>>>> +** This sets the main exception vectors
>>>>>>> +*/
>>>>>>> +void raspberry_pi_set_exception_handler(
>>>>>>> + Arm_symbolic_exception_name exception,
>>>>>>> + void (*handler)(void)
>>>>>>> + )
>>>>>>> +{
>>>>>>> + if ((unsigned) exception < MAX_EXCEPTIONS)
>>>>>>> + {
>>>>>>> + uint32_t *table = (uint32_t *) bsp_section_vector_begin +
>>>>>>> MAX_EXCEPTIONS;
>>>>>>> + table [exception] = (uint32_t) handler;
>>>>>>> +
>>>>>>> + }
>>>>>>> +}
>>>>>>> +
>>>>>>> +/*
>>>>>>> +** Determine the source of the interrupt and dispatch the correct
>>>>>>> handler.
>>>>>>> +*/
>>>>>>> +void bsp_interrupt_dispatch(void)
>>>>>>> +{
>>>>>>> + rtems_vector_number vector = 255;
>>>>>>> +
>>>>>>> + /* ARM timer */
>>>>>>> + if (BCM2835_REG(BCM2835_IRQ_BASIC) && 0x1)
>>>>>>> + {
>>>>>>> + vector = BCM2835_IRQ_ID_TIMER_0;
>>>>>>> +
>>>>>>> + }
>>>>>>> + /* UART 0 */
>>>>>>> + else if ( BCM2835_REG(BCM2835_IRQ_BASIC) && BCM2835_BIT(19))
>>>>>>> + {
>>>>>>> + vector = BCM2835_IRQ_ID_UART;
>>>>>>> + }
>>>>>>> +
>>>>>>> + if ( vector < 255 )
>>>>>>> + {
>>>>>>> + bsp_interrupt_handler_dispatch(vector);
>>>>>>> + }
>>>>>>> +
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number
>>>>>>> vector)
>>>>>>> +{
>>>>>>> + rtems_interrupt_level level;
>>>>>>> +
>>>>>>> + rtems_interrupt_disable(level);
>>>>>>> +
>>>>>>> + /* ARM Timer */
>>>>>>> + if ( vector == BCM2835_IRQ_ID_TIMER_0 )
>>>>>>> + {
>>>>>>> + BCM2835_REG(BCM2835_IRQ_ENABLE_BASIC) = 0x1;
>>>>>>> + }
>>>>>>> + /* UART 0 */
>>>>>>> + else if ( vector == BCM2835_IRQ_ID_UART )
>>>>>>> + {
>>>>>>> + BCM2835_REG(BCM2835_IRQ_ENABLE2) = BCM2835_BIT(25);
>>>>>>> +
>>>>>>> + }
>>>>>>> + rtems_interrupt_enable(level);
>>>>>>> +
>>>>>>> + return RTEMS_SUCCESSFUL;
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number
>>>>>>> vector)
>>>>>>> +{
>>>>>>> + rtems_interrupt_level level;
>>>>>>> +
>>>>>>> + rtems_interrupt_disable(level);
>>>>>>> +
>>>>>>> + if ( vector == BCM2835_IRQ_ID_TIMER_0 )
>>>>>>> + {
>>>>>>> + BCM2835_REG(BCM2835_IRQ_DISABLE_BASIC) = 0x1;
>>>>>>> + }
>>>>>>> + else if ( vector == BCM2835_IRQ_ID_UART )
>>>>>>> + {
>>>>>>> + BCM2835_REG(BCM2835_IRQ_DISABLE2) = BCM2835_BIT(25);
>>>>>>> + }
>>>>>>> + rtems_interrupt_enable(level);
>>>>>>> +
>>>>>>> + return RTEMS_SUCCESSFUL;
>>>>>>> +}
>>>>>>> +
>>>>>>> +
>>>>>>> +void bsp_interrupt_handler_default(rtems_vector_number vector)
>>>>>>> +{
>>>>>>> + printk("spurious interrupt: %u\n", vector);
>>>>>>> +}
>>>>>>> +
>>>>>>> +rtems_status_code bsp_interrupt_facility_initialize(void)
>>>>>>> +{
>>>>>>> + raspberry_pi_set_exception_handler(ARM_EXCEPTION_IRQ,
>>>>>>> _ARMV4_Exception_interrupt);
>>>>>>> + return RTEMS_SUCCESSFUL;
>>>>>>> +}
>>>>>>> diff --git
>>>>>>> a/c/src/lib/libbsp/arm/raspberry_pi/make/custom/raspberry_pi.cfg
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/make/custom/raspberry_pi.cfg
>>>>>>> new file mode 100755
>>>>>>> index 0000000..c33c148
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/make/custom/raspberry_pi.cfg
>>>>>>> @@ -0,0 +1,24 @@
>>>>>>> +#
>>>>>>> +# Config file for RASPBERRY_PI
>>>>>>> +#
>>>>>>> +# $Id: $
>>>>>> Remove $Id$
>>>>>>
>>>>>>> +#
>>>>>>> +
>>>>>>> +include $(RTEMS_ROOT)/make/custom/default.cfg
>>>>>>> +
>>>>>>> +RTEMS_CPU = arm
>>>>>>> +
>>>>>>> +CPU_CFLAGS = -mcpu=arm1176jzf-s \
>>>>>>> + -fomit-frame-pointer -mfpu=vfp -mfloat-abi=soft \
>>>>>>> + -mabi=apcs-gnu -ffreestanding
>>>>>>> +
>>>>>>> +CFLAGS_OPTIMIZE_V = -O2 -g
>>>>>>> +
>>>>>>> +# This defines the operations performed on the linked executable.
>>>>>>> +# is currently required.
>>>>>>> +define bsp-post-link
>>>>>>> + $(OBJCOPY) -O binary --strip-all \
>>>>>>> + $(basename $@).exe $(basename $@)$(DOWNEXT)
>>>>>>> + $(SIZE) $(basename $@).exe
>>>>>>> +endef
>>>>>>> +
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/misc/timer.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/misc/timer.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..522858a
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/misc/timer.c
>>>>>>> @@ -0,0 +1,52 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Benchmark timer support.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2008, 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#include <rtems.h>
>>>>>>> +#include <rtems/timerdrv.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +
>>>>>>> +static bool benchmark_timer_find_average_overhead = false;
>>>>>>> +
>>>>>>> +static uint64_t benchmark_timer_base;
>>>>>>> +
>>>>>>> +void benchmark_timer_initialize(void)
>>>>>>> +{
>>>>>>> + benchmark_timer_base = BCM2835_REG(BCM2835_GPU_TIMER_CLO);
>>>>>>> +}
>>>>>>> +
>>>>>>> +uint32_t benchmark_timer_read(void)
>>>>>>> +{
>>>>>>> + uint32_t delta = BCM2835_REG(BCM2835_GPU_TIMER_CLO) -
>>>>>>> benchmark_timer_base;
>>>>>>> +
>>>>>>> + if (benchmark_timer_find_average_overhead)
>>>>>>> + {
>>>>>>> + return delta;
>>>>>>> + }
>>>>>>> + else
>>>>>>> + {
>>>>>>> + return BCM2835_REG(BCM2835_GPU_TIMER_CLO);
>>>>>>> + }
>>>>>>> +}
>>>>>>> +
>>>>>>> +void benchmark_timer_disable_subtracting_average_overhead(bool
>>>>>>> find_average_overhead)
>>>>>>> +{
>>>>>>> + benchmark_timer_find_average_overhead = find_average_overhead;
>>>>>>> +}
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/preinstall.am
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/preinstall.am
>>>>>>> new file mode 100755
>>>>>>> index 0000000..2c6d75f
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/preinstall.am
>>>>>>> @@ -0,0 +1,133 @@
>>>>>>> +## Automatically generated by ampolish3 - Do not edit
>>>>>>> +
>>>>>>> +if AMPOLISH3
>>>>>>> +$(srcdir)/preinstall.am: Makefile.am
>>>>>>> + $(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
>>>>>>> +endif
>>>>>>> +
>>>>>>> +PREINSTALL_DIRS =
>>>>>>> +DISTCLEANFILES += $(PREINSTALL_DIRS)
>>>>>>> +
>>>>>>> +all-local: $(TMPINSTALL_FILES)
>>>>>>> +
>>>>>>> +TMPINSTALL_FILES =
>>>>>>> +CLEANFILES = $(TMPINSTALL_FILES)
>>>>>>> +
>>>>>>> +all-am: $(PREINSTALL_FILES)
>>>>>>> +
>>>>>>> +PREINSTALL_FILES =
>>>>>>> +CLEANFILES += $(PREINSTALL_FILES)
>>>>>>> +
>>>>>>> +$(PROJECT_LIB)/$(dirstamp):
>>>>>>> + @$(MKDIR_P) $(PROJECT_LIB)
>>>>>>> + @: > $(PROJECT_LIB)/$(dirstamp)
>>>>>>> +PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/$(dirstamp):
>>>>>>> + @$(MKDIR_P) $(PROJECT_INCLUDE)
>>>>>>> + @: > $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/$(dirstamp):
>>>>>>> + @$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
>>>>>>> + @: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/libcpu/$(dirstamp):
>>>>>>> + @$(MKDIR_P) $(PROJECT_INCLUDE)/libcpu
>>>>>>> + @: > $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
>>>>>>> +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
>>>>>>> +
>>>>>>> +$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
>>>>>>> +PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/tm27.h: ../../shared/include/tm27.h
>>>>>>> $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h
>>>>>>> $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h
>>>>>>> $(PROJECT_INCLUDE)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/utility.h: ../../shared/include/utility.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/irq-generic.h:
>>>>>>> ../../shared/include/irq-generic.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/irq-info.h: ../../shared/include/irq-info.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-info.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-info.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/stackalloc.h: ../../shared/include/stackalloc.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stackalloc.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stackalloc.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/uart-output-char.h:
>>>>>>> ../../shared/include/uart-output-char.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/uart-output-char.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/uart-output-char.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/tod.h: ../../shared/tod.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tod.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tod.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/linker-symbols.h:
>>>>>>> ../shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/start.h: ../shared/include/start.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/lpc-timer.h: ../shared/lpc/include/lpc-timer.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/lpc-timer.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/lpc-timer.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/lpc-dma.h: ../shared/lpc/include/lpc-dma.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/lpc-dma.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/lpc-dma.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/irq.h: include/irq.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/mmu.h: include/mmu.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/mmu.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/mmu.h
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/bsp/raspberry_pi.h: include/raspberry_pi.h
>>>>>>> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/raspberry_pi.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/raspberry_pi.h
>>>>>>> +
>>>>>>> +
>>>>>>> +$(PROJECT_INCLUDE)/libcpu/arm-cp15.h:
>>>>>>> ../../../libcpu/arm/shared/include/arm-cp15.h
>>>>>>> $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/arm-cp15.h
>>>>>>> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/arm-cp15.h
>>>>>>> +
>>>>>>> +$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT)
>>>>>>> $(PROJECT_LIB)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
>>>>>>> +TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
>>>>>>> +
>>>>>>> +$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
>>>>>>> +TMPINSTALL_FILES += $(PROJECT_LIB)/linkcmds
>>>>>>> +
>>>>>>> +$(PROJECT_LIB)/linkcmds.base: ../shared/startup/linkcmds.base
>>>>>>> $(PROJECT_LIB)/$(dirstamp)
>>>>>>> + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
>>>>>>> +TMPINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
>>>>>>> +
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/startup/bspreset.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspreset.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..c3583f0
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspreset.c
>>>>>>> @@ -0,0 +1,31 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Reset code.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#include <rtems.h>
>>>>>>> +
>>>>>>> +#include <bsp/bootcard.h>
>>>>>>> +
>>>>>>> +void bsp_reset( void)
>>>>>>> +{
>>>>>>> + while (true) {
>>>>>>> + /* Do nothing */
>>>>>>> + }
>>>>>>> +}
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstart.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstart.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..8075f75
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstart.c
>>>>>>> @@ -0,0 +1,33 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Startup code.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009, 2010
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#include <bsp.h>
>>>>>>> +#include <bsp/bootcard.h>
>>>>>>> +#include <bsp/irq-generic.h>
>>>>>>> +#include <bsp/irq.h>
>>>>>>> +#include <bsp/linker-symbols.h>
>>>>>>> +#include <bsp/stackalloc.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +
>>>>>>> +void bsp_start(void)
>>>>>>> +{
>>>>>>> + bsp_interrupt_initialize();
>>>>>>> +}
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstarthooks.c
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstarthooks.c
>>>>>>> new file mode 100755
>>>>>>> index 0000000..9373baf
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/startup/bspstarthooks.c
>>>>>>> @@ -0,0 +1,112 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Startup code.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/*
>>>>>>> + * Copyright (c) 2009
>>>>>>> + * embedded brains GmbH
>>>>>>> + * Obere Lagerstr. 30
>>>>>>> + * D-82178 Puchheim
>>>>>>> + * Germany
>>>>>>> + * <rtems at embedded-brains.de>
>>>>>>> + *
>>>>>>> + * The license and distribution terms for this file may be
>>>>>>> + * found in the file LICENSE in this distribution or at
>>>>>>> + * http://www.rtems.com/license/LICENSE.
>>>>>>> + */
>>>>>>> +
>>>>>>> +#include <stdbool.h>
>>>>>>> +
>>>>>>> +#include <bspopts.h>
>>>>>>> +#include <bsp/start.h>
>>>>>>> +#include <bsp/raspberry_pi.h>
>>>>>>> +#include <bsp/mmu.h>
>>>>>>> +#include <bsp/linker-symbols.h>
>>>>>>> +#include <bsp/uart-output-char.h>
>>>>>>> +
>>>>>>> +static void BSP_START_TEXT_SECTION clear_bss(void)
>>>>>>> +{
>>>>>>> + const int *end = (const int *) bsp_section_bss_end;
>>>>>>> + int *out = (int *) bsp_section_bss_begin;
>>>>>>> +
>>>>>>> + /* Clear BSS */
>>>>>>> + while (out != end) {
>>>>>>> + *out = 0;
>>>>>>> + ++out;
>>>>>>> + }
>>>>>>> +}
>>>>>>> +
>>>>>>> +static void BSP_START_TEXT_SECTION raspberry_pi_cache_setup(void)
>>>>>>> +{
>>>>>>> + uint32_t ctrl = 0;
>>>>>>> +
>>>>>>> + /* Disable MMU and cache, basic settings */
>>>>>>> + ctrl = arm_cp15_get_control();
>>>>>>> + ctrl &= ~(ARM_CP15_CTRL_I | ARM_CP15_CTRL_R | ARM_CP15_CTRL_C
>>>>>>> + | ARM_CP15_CTRL_V | ARM_CP15_CTRL_M);
>>>>>>> + ctrl |= ARM_CP15_CTRL_S | ARM_CP15_CTRL_A;
>>>>>>> + arm_cp15_set_control(ctrl);
>>>>>>> +
>>>>>>> + arm_cp15_cache_invalidate();
>>>>>>> + arm_cp15_tlb_invalidate();
>>>>>>> +
>>>>>>> +}
>>>>>>> +
>>>>>>> +
>>>>>>> +void BSP_START_TEXT_SECTION bsp_start_hook_0(void)
>>>>>>> +{
>>>>>>> + raspberry_pi_cache_setup();
>>>>>>> +}
>>>>>>> +
>>>>>>> +
>>>>>>> +void BSP_START_TEXT_SECTION bsp_start_hook_1(void)
>>>>>>> +{
>>>>>>> +
>>>>>>> + /* Copy .text section */
>>>>>>> + arm_cp15_instruction_cache_invalidate();
>>>>>>> + bsp_start_memcpy(
>>>>>>> + (int *) bsp_section_text_begin,
>>>>>>> + (const int *) bsp_section_text_load_begin,
>>>>>>> + (size_t) bsp_section_text_size
>>>>>>> + );
>>>>>>> +
>>>>>>> + /* Copy .rodata section */
>>>>>>> + arm_cp15_instruction_cache_invalidate();
>>>>>>> + bsp_start_memcpy(
>>>>>>> + (int *) bsp_section_rodata_begin,
>>>>>>> + (const int *) bsp_section_rodata_load_begin,
>>>>>>> + (size_t) bsp_section_rodata_size
>>>>>>> + );
>>>>>>> +
>>>>>>> + /* Copy .data section */
>>>>>>> + arm_cp15_instruction_cache_invalidate();
>>>>>>> + bsp_start_memcpy(
>>>>>>> + (int *) bsp_section_data_begin,
>>>>>>> + (const int *) bsp_section_data_load_begin,
>>>>>>> + (size_t) bsp_section_data_size
>>>>>>> + );
>>>>>>> +
>>>>>>> + /* Copy .fast_text section */
>>>>>>> + arm_cp15_instruction_cache_invalidate();
>>>>>>> + bsp_start_memcpy(
>>>>>>> + (int *) bsp_section_fast_text_begin,
>>>>>>> + (const int *) bsp_section_fast_text_load_begin,
>>>>>>> + (size_t) bsp_section_fast_text_size
>>>>>>> + );
>>>>>>> +
>>>>>>> + /* Copy .fast_data section */
>>>>>>> + arm_cp15_instruction_cache_invalidate();
>>>>>>> + bsp_start_memcpy(
>>>>>>> + (int *) bsp_section_fast_data_begin,
>>>>>>> + (const int *) bsp_section_fast_data_load_begin,
>>>>>>> + (size_t) bsp_section_fast_data_size
>>>>>>> + );
>>>>>>> +
>>>>>>> + /* Clear .bss section */
>>>>>>> + clear_bss();
>>>>>>> +
>>>>>>> +}
>>>>>>> diff --git a/c/src/lib/libbsp/arm/raspberry_pi/startup/linkcmds
>>>>>>> b/c/src/lib/libbsp/arm/raspberry_pi/startup/linkcmds
>>>>>>> new file mode 100755
>>>>>>> index 0000000..b9e6f02
>>>>>>> --- /dev/null
>>>>>>> +++ b/c/src/lib/libbsp/arm/raspberry_pi/startup/linkcmds
>>>>>>> @@ -0,0 +1,62 @@
>>>>>>> +/**
>>>>>>> + * @file
>>>>>>> + *
>>>>>>> + * @ingroup raspberry_pi
>>>>>>> + *
>>>>>>> + * @brief Memory map.
>>>>>>> + */
>>>>>>> +
>>>>>>> +/**
>>>>>>> + * @defgroup raspberry_pi Memory Map
>>>>>>> + *
>>>>>>> + * @ingroup bsp_linker
>>>>>>> + *
>>>>>>> + * @brief Raspberry Pi memory map.
>>>>>>> + *
>>>>>>> + * <table>
>>>>>>> + * <tr><th>Region Name</th><th>Region Begin</th><th>Region
>>>>>>> Size</th></tr>
>>>>>>> + * <tr><td>VECTOR_RAM</td><td>0x08000000</td><td>8k</td></tr>
>>>>>>> + * <tr><td>RAM</td><td>0x80008000</td><td>128M</td></tr>
>>>>>>> + * </table>
>>>>>>> + *
>>>>>>> + * <table>
>>>>>>> + * <tr><th>Section Name</th><th>Section Runtime
>>>>>>> Region</th><th>Section Load Region</th></tr>
>>>>>>> + * <tr><td>.start</td><td>RAM</td><td></td></tr>
>>>>>>> + * <tr><td>.vector</td><td>VECTOR_RAM</td><td></td></tr>
>>>>>>> + * <tr><td>.text</td><td>RAM</td><td>RAM_EXT</td></tr>
>>>>>>> + * <tr><td>.rodata</td><td>RAM</td><td>RAM_EXT</td></tr>
>>>>>>> + * <tr><td>.data</td><td>RAM</td><td>RAM_EXT</td></tr>
>>>>>>> + * <tr><td>.fast</td><td>RAM</td><td>RAM_EXT</td></tr>
>>>>>>> + * <tr><td>.bss</td><td>RAM</td><td></td></tr>
>>>>>>> + * <tr><td>.work</td><td>RAM</td><td></td></tr>
>>>>>>> + * <tr><td>.stack</td><td>RAM</td><td></td></tr>
>>>>>>> + * </table>
>>>>>>> + */
>>>>>>> +
>>>>>>> +MEMORY {
>>>>>>> + VECTOR_RAM (AIW) : ORIGIN = 0x0 , LENGTH = 0x8000
>>>>>>> + RAM (AIW) : ORIGIN = 0x00008000, LENGTH = 128M -
>>>>>>> 0x8000
>>>>>>> +}
>>>>>>> +
>>>>>>> +REGION_ALIAS ("REGION_START", RAM);
>>>>>>> +REGION_ALIAS ("REGION_VECTOR", VECTOR_RAM);
>>>>>>> +REGION_ALIAS ("REGION_TEXT", RAM);
>>>>>>> +REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
>>>>>>> +REGION_ALIAS ("REGION_RODATA", RAM);
>>>>>>> +REGION_ALIAS ("REGION_RODATA_LOAD", RAM);
>>>>>>> +REGION_ALIAS ("REGION_DATA", RAM);
>>>>>>> +REGION_ALIAS ("REGION_DATA_LOAD", RAM);
>>>>>>> +REGION_ALIAS ("REGION_FAST_TEXT", RAM);
>>>>>>> +REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
>>>>>>> +REGION_ALIAS ("REGION_FAST_DATA", RAM);
>>>>>>> +REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
>>>>>>> +REGION_ALIAS ("REGION_BSS", RAM);
>>>>>>> +REGION_ALIAS ("REGION_WORK", RAM);
>>>>>>> +REGION_ALIAS ("REGION_STACK", RAM);
>>>>>>> +
>>>>>>> +bsp_stack_irq_size = DEFINED (bsp_stack_irq_size) ? bsp_stack_irq_size
>>>>>>> : 4096;
>>>>>>> +bsp_stack_abt_size = DEFINED (bsp_stack_abt_size) ? bsp_stack_abt_size
>>>>>>> : 1024;
>>>>>>> +
>>>>>>> +bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ?
>>>>>>> bsp_section_robarrier_align : 1M;
>>>>>>> +
>>>>>>> +INCLUDE linkcmds.armv4
>>>>>>> diff --git a/cpukit/score/cpu/arm/rtems/score/arm.h
>>>>>>> b/cpukit/score/cpu/arm/rtems/score/arm.h
>>>>>>> index 8f8c837..8471bb4 100644
>>>>>>> --- a/cpukit/score/cpu/arm/rtems/score/arm.h
>>>>>>> +++ b/cpukit/score/cpu/arm/rtems/score/arm.h
>>>>>>> @@ -69,6 +69,10 @@ extern "C" {
>>>>>>> # define CPU_MODEL_NAME "ARMv6J"
>>>>>>> # define ARM_MULTILIB_ARCH_V4
>>>>>>>
>>>>>>> +#elif defined(__ARM_ARCH_6ZK__)
>>>>>>> +# define CPU_MODEL_NAME "ARMv6ZK"
>>>>>>> +# define ARM_MULTILIB_ARCH_V4
>>>>>>> +
>>>>>> This change has been committed separately. You may wish to rebase your
>>>>>> work on the rtems.git.
>>>>>>
>>>>>>> #elif defined(__ARM_ARCH_6M__)
>>>>>>> # define CPU_MODEL_NAME "ARMv6M"
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> rtems-devel mailing list
>>>>>>> rtems-devel at rtems.org
>>>>>>> http://www.rtems.org/mailman/listinfo/rtems-devel
>>>>>
>>>>> _______________________________________________
>>>>> rtems-devel mailing list
>>>>> rtems-devel at rtems.org
>>>>> http://www.rtems.org/mailman/listinfo/rtems-devel
>>>>
>>>>
>>>> --
>>>> Joel Sherrill, Ph.D. Director of Research & Development
>>>> joel.sherrill at OARcorp.com On-Line Applications Research
>>>> Ask me about RTEMS: a free RTOS Huntsville AL 35805
>>>> Support Available (256) 722-9985
>>>>
>>>>
>>>> _______________________________________________
>>>> rtems-devel mailing list
>>>> rtems-devel at rtems.org
>>>> http://www.rtems.org/mailman/listinfo/rtems-devel
>>
>>
>> --
>> Joel Sherrill, Ph.D. Director of Research & Development
>> joel.sherrill at OARcorp.com On-Line Applications Research
>> Ask me about RTEMS: a free RTOS Huntsville AL 35805
>> Support Available (256) 722-9985
>>
>
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