[PATCH] Add raspberry pi board BSP
Cláudio Silva
claudiodcsilva at gmail.com
Mon Feb 25 16:58:57 UTC 2013
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.
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
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