[PATCH] arm: mx6ulevk: Initial BSP support for i.MX 6UltraLite EVK board.

Joel Sherrill joel at rtems.org
Tue Apr 19 13:59:43 UTC 2016


A few quick things.

Add a bspimpl.h which is private to the bsp. Do not put anything in bsp.h
which
does not need to be public to the application. We have been exceedingly
uncaring about this in the past and the software tax to correct it is going
to
be painful. In general, the bsp.h probably doesn't need much except to
provide the BSP defaults for confdefs.h if it needs to change them.
And no.. there aren't any great examples yet.

There is a shell script in rtems-testing/merge-helpers which is far from
perfect but checks for some common things we have spotted in the
past. It may raise some false positives but it checks a lot. If in doubt,
ask.

Did you "clone and own" anything from another BSP?


On Tue, Apr 19, 2016 at 4:11 AM, Peng Fan <van.freenix at gmail.com> wrote:

> Hi Gedare, Joel,
>
> Kindly ask, Do you any comments on this patch?
>
> Thanks,
> Peng.
>
> On Thu, Apr 14, 2016 at 05:49:43PM +0800, Peng Fan wrote:
> >Initial BSP support for i.MX 6UltraLite EVK board.
> >Add uart driver
> >Add gpt driver to service tick function
> >
> >The i.MX 6UltraLite is a high performance, ultra-efficient processor
> >family featuring an advanced implementation of a single ARM® Cortex®-A7
> >core, which operates at speeds up to 528 MHz. The i.MX 6UltraLite
> >applications processor includes an integrated power management module
> >that reduces the complexity of external power supply and simplifies
> >power sequencing.
> >
> >Now, clock management module and pinmux module not added,
> >so relies the setting in U-Boot.
> >---
> > c/src/lib/libbsp/arm/acinclude.m4                  |   2 +
> > c/src/lib/libbsp/arm/mx6ulevk/Makefile.am          | 139
> +++++++++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/README               |  28 ++++
> > c/src/lib/libbsp/arm/mx6ulevk/bsp_specs            |  13 ++
> > c/src/lib/libbsp/arm/mx6ulevk/configure.ac         |  34 +++++
> > .../libbsp/arm/mx6ulevk/console/console-config.c   |  82 +++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/console/imx-uart.c   | 131 ++++++++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/gpt.c                | 164
> +++++++++++++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/include/bsp.h        | 121 +++++++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/include/imx6-gpt.h   |  48 ++++++
> > c/src/lib/libbsp/arm/mx6ulevk/include/imx6-uart.h  |  60 ++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/include/irq.h        |  38 +++++
> > c/src/lib/libbsp/arm/mx6ulevk/include/tm27.h       |  24 +++
> > .../libbsp/arm/mx6ulevk/make/custom/mx6ulevk.cfg   |   9 ++
> > c/src/lib/libbsp/arm/mx6ulevk/preinstall.am        | 151
> +++++++++++++++++++
> > c/src/lib/libbsp/arm/mx6ulevk/startup/bspreset.c   |  24 +++
> > c/src/lib/libbsp/arm/mx6ulevk/startup/bspstart.c   |  25 ++++
> > .../libbsp/arm/mx6ulevk/startup/bspstarthooks.c    |  70 +++++++++
> > .../libbsp/arm/mx6ulevk/startup/linkcmds.mx6ulevk  |  48 ++++++
> > 19 files changed, 1211 insertions(+)
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/Makefile.am
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/README
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/bsp_specs
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/configure.ac
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/console/console-config.c
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/console/imx-uart.c
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/gpt.c
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/include/bsp.h
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/include/imx6-gpt.h
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/include/imx6-uart.h
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/include/irq.h
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/include/tm27.h
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/make/custom/mx6ulevk.cfg
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/preinstall.am
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/startup/bspreset.c
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/startup/bspstart.c
> > create mode 100644 c/src/lib/libbsp/arm/mx6ulevk/startup/bspstarthooks.c
> > create mode 100644
> c/src/lib/libbsp/arm/mx6ulevk/startup/linkcmds.mx6ulevk
> >
> >diff --git a/c/src/lib/libbsp/arm/acinclude.m4
> b/c/src/lib/libbsp/arm/acinclude.m4
> >index f5ca105..c15dc82 100644
> >--- a/c/src/lib/libbsp/arm/acinclude.m4
> >+++ b/c/src/lib/libbsp/arm/acinclude.m4
> >@@ -26,6 +26,8 @@ AC_DEFUN([RTEMS_CHECK_BSPDIR],
> >     AC_CONFIG_SUBDIRS([lpc24xx]);;
> >   lpc32xx )
> >     AC_CONFIG_SUBDIRS([lpc32xx]);;
> >+  mx6ulevk )
> >+    AC_CONFIG_SUBDIRS([mx6ulevk]);;
> >   raspberrypi )
> >     AC_CONFIG_SUBDIRS([raspberrypi]);;
> >   realview-pbx-a9 )
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/Makefile.am
> b/c/src/lib/libbsp/arm/mx6ulevk/Makefile.am
> >new file mode 100644
> >index 0000000..517b524
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/Makefile.am
> >@@ -0,0 +1,139 @@
> >+##
> >+#
> >+# @file
> >+#
> >+# @brief Makefile of libBSP for the i.MX 6UltraLite EVK platform
> (Cortex-A7).
> >+#
> >+
> >+ACLOCAL_AMFLAGS = -I ../../../../aclocal
> >+
> >+include $(top_srcdir)/../../../../automake/compile.am
> >+
> >+include_bspdir = $(includedir)/bsp
> >+include_libcpudir = $(includedir)/libcpu
> >+
> >+dist_project_lib_DATA = bsp_specs
> >+
>
> >+###############################################################################
> >+#                  Header
>      #
>
> >+###############################################################################
> >+
> >+include_HEADERS = include/bsp.h
> >+include_HEADERS += ../../shared/include/tm27.h
> >+
> >+nodist_include_HEADERS = ../../shared/include/coverhd.h \
> >+      include/bspopts.h
> >+
> >+nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
> >+
> >+include_bsp_HEADERS =
> >+include_bsp_HEADERS += ../../shared/include/utility.h
> >+include_bsp_HEADERS += ../../shared/include/irq-generic.h
> >+include_bsp_HEADERS += ../../shared/include/irq-info.h
> >+include_bsp_HEADERS += ../../shared/include/stackalloc.h
> >+include_bsp_HEADERS += ../../shared/include/uart-output-char.h
> >+include_bsp_HEADERS += ../shared/include/arm-a8core-start.h
> >+include_bsp_HEADERS += ../shared/include/arm-cp15-start.h
> >+include_bsp_HEADERS += ../shared/include/arm-errata.h
> >+include_bsp_HEADERS += ../shared/include/arm-gic.h
> >+include_bsp_HEADERS += ../shared/include/arm-gic-irq.h
> >+include_bsp_HEADERS += ../shared/include/arm-gic-regs.h
> >+include_bsp_HEADERS += ../shared/include/arm-gic-tm27.h
> >+include_bsp_HEADERS += ../shared/include/arm-release-id.h
> >+include_bsp_HEADERS += ../shared/include/start.h
> >+include_bsp_HEADERS += include/irq.h
> >+include_bsp_HEADERS += include/imx6-uart.h
> >+include_bsp_HEADERS += include/imx6-gpt.h
> >+
> >+include_libcpu_HEADERS =
> >+include_libcpu_HEADERS += ../../../libcpu/arm/shared/include/arm-cp15.h
> >+
>
> >+###############################################################################
> >+#                  Data
>      #
>
> >+###############################################################################
> >+
> >+noinst_LIBRARIES = libbspstart.a
> >+
> >+libbspstart_a_SOURCES = ../shared/start/start.S
> >+
> >+project_lib_DATA = start.$(OBJEXT)
> >+
> >+project_lib_DATA += startup/linkcmds
> >+project_lib_DATA += startup/linkcmds.mx6ulevk
> >+
> >+EXTRA_DIST = startup/linkcmds.mx6ulevk
> >+
>
> >+###############################################################################
> >+#                  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/bsppredriverhook.c
> >+libbsp_a_SOURCES += ../../shared/cpucounterdiff.c
> >+libbsp_a_SOURCES += ../../shared/gnatinstallhandler.c
> >+libbsp_a_SOURCES += ../../shared/sbrk.c
> >+libbsp_a_SOURCES += ../../shared/timerstub.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/arm-cp15-set-exception-handler.c
> >+libbsp_a_SOURCES += ../shared/arm-cp15-set-ttb-entries.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 += ../shared/arm-gic-irq.c
> >+
> >+# Console
> >+libbsp_a_SOURCES += ../../shared/console.c
> >+libbsp_a_SOURCES += ../../shared/console_control.c
> >+libbsp_a_SOURCES += ../../shared/console_read.c
> >+libbsp_a_SOURCES += ../../shared/console_select_simple.c
> >+libbsp_a_SOURCES += ../../shared/console_write.c
> >+libbsp_a_SOURCES += ../../shared/console-output-char.c
> >+libbsp_a_SOURCES += console/console-config.c
> >+libbsp_a_SOURCES += console/imx-uart.c
> >+
> >+#I2C
> >+
> >+#GPIO
> >+
> >+#RTC
> >+
> >+# Clock
> >+libbsp_a_SOURCES += ../../shared/clockdrv_shell.h
> >+libbsp_a_SOURCES += gpt.c
> >+
> >+# 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
> >+
>
> >+###############################################################################
> >+#                  Special Rules
>       #
>
> >+###############################################################################
> >+
> >+DISTCLEANFILES = include/bspopts.h
> >+
> >+include $(srcdir)/preinstall.am
> >+include $(top_srcdir)/../../../../automake/local.am
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/README
> b/c/src/lib/libbsp/arm/mx6ulevk/README
> >new file mode 100644
> >index 0000000..bca7661
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/README
> >@@ -0,0 +1,28 @@
> >+How to compile:
> >+$mkdir b-rtems
> >+$cd b-rtems
> >+$../rtems-source/configure --target=arm-rtems4.12 --enable-tests
> --disable-networking
> >+$gmake RTEMS_BSP="mx6ulevk"
> >+
> >+After compile:
> >+$arm-rtems4.12-objcopy -O binary hello.exe hello.bin
> >+$arm-rtems4.12-objcopy -O binary ticker.exe ticker.bin
> >+
> >+U-Boot source:
> >+
> http://git.freescale.com/git/cgit.cgi/imx/uboot-imx.git/log/?h=imx_v2015.04_3.14.38_6ul_ga
> >+Build U-Boot:
> >+$export CROSS_COMPILE=arm-poky-linux-gnueabi-
> >+$make ARCH=arm mx6ul_14x14_evk_config
> >+$make
> >+Burn u-boot.imx to offset 0x400 of sd card.
> >+
> >+How to run using U-Boot:
> >+Run hello example
> >+=>fatload mmc 1:1 0x80000000 hello.bin
> >+=>dcache off; icache off; dcache flush; icache flush
> >+=>go 0x80000000
> >+
> >+Or using tftp to load test bin
> >+=>tftp 0x80000000 ticker.bin
> >+=>dcache off; icache off; dcache flush; icache flush
> >+=>go 0x80000000
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/bsp_specs
> b/c/src/lib/libbsp/arm/mx6ulevk/bsp_specs
> >new file mode 100644
> >index 0000000..32c105f
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/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/mx6ulevk/configure.ac
> b/c/src/lib/libbsp/arm/mx6ulevk/configure.ac
> >new file mode 100644
> >index 0000000..6f2d1e4
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/configure.ac
> >@@ -0,0 +1,34 @@
> >+##
> >+#
> >+# @file
> >+#
> >+# @brief Configure script of LibBSP for the i.MX 6UltraLite Processor.
> >+#
> >+
> >+AC_PREREQ([2.69])
> >+AC_INIT([rtems-c-src-lib-libbsp-arm-mx6ulevk],[_RTEMS_VERSION],[
> http://www.rtems.org/bugzilla])
> >+AC_CONFIG_SRCDIR([bsp_specs])
> >+RTEMS_TOP(../../../../../..)
> >+
> >+RTEMS_CANONICAL_TARGET_CPU
> >+AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
> >+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_BSPOPTS_SET([BSP_CONSOLE_MINOR],[*],[0])
> >+RTEMS_BSPOPTS_HELP([BSP_CONSOLE_MINOR],[minor number of console device])
> >+
> >+RTEMS_BSP_CLEANUP_OPTIONS(0, 1)
> >+RTEMS_BSP_LINKCMDS
> >+
> >+AC_CONFIG_FILES([Makefile])
> >+AC_OUTPUT
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/console/console-config.c
> b/c/src/lib/libbsp/arm/mx6ulevk/console/console-config.c
> >new file mode 100644
> >index 0000000..cc6b074
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/console/console-config.c
> >@@ -0,0 +1,82 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>
> >+ *
> >+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
> >+ *
> >+ *  embedded brains GmbH
> >+ *  Dornierstr. 4
> >+ *  82178 Puchheim
> >+ *  Germany
> >+ *  <info 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 <libchip/serial.h>
> >+
> >+#include <bsp.h>
> >+#include <bsp/irq.h>
> >+
> >+extern const console_fns imx_uart_fns;
> >+console_tbl Console_Configuration_Ports[] = {
> >+   {
> >+    .sDeviceName = "/dev/ttyS0",
> >+    .deviceType = SERIAL_CUSTOM,
> >+    .pDeviceFns = &imx_uart_fns,
> >+    .deviceProbe = NULL,
> >+    .pDeviceFlow = NULL,
> >+    .ulMargin = 0,
> >+    .ulHysteresis = 0,
> >+    .pDeviceParams = (void *) 115200,
> >+    .ulCtrlPort1 = UART_BASE,
> >+    .ulCtrlPort2 = 0,
> >+    .ulDataPort = 0,
> >+    .getRegister = NULL,
> >+    .setRegister = NULL,
> >+    .getData = NULL,
> >+    .setData = NULL,
> >+    .ulClock = 0,
> >+    .ulIntVector = UART_IRQ
> >+  }
> >+};
> >+
> >+unsigned long Console_Configuration_Count =
> >+  RTEMS_ARRAY_SIZE(Console_Configuration_Ports);
> >+
> >+static void output_char(char c)
> >+{
> >+  int minor = (int) Console_Port_Minor;
> >+  const console_tbl *ct = Console_Port_Tbl != NULL ?
> >+    Console_Port_Tbl[minor] : &Console_Configuration_Ports[minor];
> >+  const console_fns *cf = ct->pDeviceFns;
> >+
> >+  if (c == '\n') {
> >+    (*cf->deviceWritePolled)(minor, '\r');
> >+  }
> >+
> >+  (*cf->deviceWritePolled)(minor, c);
> >+}
> >+
> >+static void output_char_init(char c)
> >+{
> >+  if (Console_Port_Tbl == NULL) {
> >+    int minor;
> >+    const console_fns *cf;
> >+
> >+    bsp_console_select();
> >+
> >+    minor = (int) Console_Port_Minor;
> >+    cf = Console_Configuration_Ports[minor].pDeviceFns;
> >+
> >+    (*cf->deviceInitialize)(minor);
> >+  }
> >+
> >+  BSP_output_char = output_char;
> >+  output_char(c);
> >+}
> >+
> >+BSP_output_char_function_type BSP_output_char = output_char_init;
> >+
> >+BSP_polling_getchar_function_type BSP_poll_char = NULL;
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/console/imx-uart.c
> b/c/src/lib/libbsp/arm/mx6ulevk/console/imx-uart.c
> >new file mode 100644
> >index 0000000..dd7f8ae
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/console/imx-uart.c
> >@@ -0,0 +1,131 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>.
> >+ *
> >+ * The license and distribution terms for this file may be
> >+ * found in the file LICENSE in this distribution or at
> >+ * http://www.rtems.org/license/LICENSE.
> >+ */
> >+
> >+#include <bspopts.h>
> >+
> >+#include <libchip/serial.h>
> >+#include <libchip/sersupp.h>
> >+
> >+#include <bsp.h>
> >+#include <bsp/irq.h>
> >+#include <bsp/utility.h>
> >+#include <bsp/uart-output-char.h>
> >+
> >+#include <bsp/imx6-uart.h>
> >+
> >+static uint32_t imx_uart_get_regs(int minor)
> >+{
> >+  const console_tbl *ct = Console_Port_Tbl != NULL ?
> >+    Console_Port_Tbl[minor] : &Console_Configuration_Ports[minor];
> >+
> >+  return ct->ulCtrlPort1;
> >+}
> >+
> >+/* Make weak and let the user override. */
> >+uint32_t imx_uart_input_clock(void) __attribute__ ((weak));
> >+
> >+uint32_t imx_uart_input_clock(void)
> >+{
> >+  /*
> >+   * Now we use clock set from U-Boot, 80M.
> >+   * TODO:
> >+   *   Handling clock
> >+   */
> >+  return 80000000;
> >+}
> >+
> >+static int imx_calculate_baudrate(uint32_t  baudrate,
> >+                                  uint32_t* brgr,
> >+                                  uint32_t* bauddiv,
> >+                                  uint32_t  modereg)
> >+{
> >+  /*
> >+   * Use the initialized baudrate from U-Boot.
> >+   * TODO:
> >+   *   Add baudrate handling
> >+   */
> >+  return 0;
> >+}
> >+
> >+static void imx_uart_initialize(int minor)
> >+{
> >+  /* TODO */
> >+}
> >+
> >+static int imx_uart_first_open(int major, int minor, void *arg)
> >+{
> >+  rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *)
> arg;
> >+  struct rtems_termios_tty *tty = (struct rtems_termios_tty *)
> oc->iop->data1;
> >+  console_data *cd = &Console_Port_Data[minor];
> >+  const console_tbl *ct = Console_Port_Tbl[minor];
> >+
> >+  cd->termios_data = tty;
> >+  rtems_termios_set_initial_baud(tty, (rtems_termios_baud_t)
> ct->pDeviceParams);
> >+
> >+  return 0;
> >+}
> >+
> >+static int imx_uart_last_close(int major, int minor, void *arg)
> >+{
> >+  return 0;
> >+}
> >+
> >+static int imx_uart_read_polled(int minor)
> >+{
> >+  uint32_t reg_base = imx_uart_get_regs(minor);
> >+
> >+  while (readl(reg_base + UTS_OFF) & UTS_RXEMPTY)
> >+    ;
> >+
> >+  return (readl(reg_base + URXD_OFF) & URXD_RX_DATA);
> >+}
> >+
> >+static void imx_uart_write_polled(int minor, char c)
> >+{
> >+  uint32_t reg_base = imx_uart_get_regs(minor);
> >+
> >+  writel(c, reg_base + UTXD_OFF);
> >+
> >+  while (!(readl(reg_base + UTS_OFF) & UTS_TXEMPTY))
> >+    ;
> >+
> >+  if (c == '\n')
> >+    imx_uart_write_polled(minor, '\r');
> >+}
> >+
> >+static ssize_t imx_uart_write_support_polled(
> >+  int minor,
> >+  const char *s,
> >+  size_t n
> >+)
> >+{
> >+  ssize_t i = 0;
> >+
> >+  for (i = 0; i < n; ++i) {
> >+    imx_uart_write_polled(minor, s[i]);
> >+  }
> >+
> >+  return n;
> >+}
> >+
> >+static int imx_uart_set_attribues(int minor, const struct termios *term)
> >+{
> >+  return -1;
> >+}
> >+
> >+const console_fns imx_uart_fns = {
> >+  .deviceProbe = libchip_serial_default_probe,
> >+  .deviceFirstOpen = imx_uart_first_open,
> >+  .deviceLastClose = imx_uart_last_close,
> >+  .deviceRead = imx_uart_read_polled,
> >+  .deviceWrite = imx_uart_write_support_polled,
> >+  .deviceInitialize = imx_uart_initialize,
> >+  .deviceWritePolled = imx_uart_write_polled,
> >+  .deviceSetAttributes = imx_uart_set_attribues,
> >+  .deviceOutputUsesInterrupts = false
> >+};
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/gpt.c
> b/c/src/lib/libbsp/arm/mx6ulevk/gpt.c
> >new file mode 100644
> >index 0000000..47b1659
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/gpt.c
> >@@ -0,0 +1,164 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>.
> >+ *
> >+ * The license and distribution terms for this file may be
> >+ * found in the file LICENSE in this distribution or at
> >+ * http://www.rtems.org/license/LICENSE.
> >+ */
> >+
> >+#include <rtems.h>
> >+#include <rtems/timecounter.h>
> >+#include <bsp.h>
> >+
> >+#include <bsp/irq.h>
> >+
> >+#include <bsp/imx6-gpt.h>
> >+
> >+static imx6_gpt_timer_t gpt_timer = {
> >+  .base = GPT_TIMER_BASE,
> >+  .irq_nr = GPT_IRQ,
> >+};
> >+
> >+static struct timecounter gpt_clock_tc;
> >+static struct imx6_gpt_timer *timer = &gpt_timer;
> >+
> >+static uint32_t gpt_clock_get_timecount(struct timecounter *tc)
> >+{
> >+  return readl(timer->base + GPT_CNT);
> >+}
> >+
> >+static inline void gpt_irq_enable(void)
> >+{
> >+  writel(1 << 0, timer->base + GPT_IR);
> >+}
> >+
> >+static inline void gpt_irq_disable(void)
> >+{
> >+  writel(0, timer->base + GPT_IR);
> >+}
> >+
> >+static inline void gpt_irq_ack(void)
> >+{
> >+  writel(TSTAT_OF1, timer->base + GPT_SR);
> >+}
> >+
> >+static void gpt_clock_initialize(void)
> >+{
> >+  uint32_t gpt_cr;
> >+  uint32_t tprer_val, cur_cnt;
> >+  uint32_t interval = 3 *
> rtems_configuration_get_microseconds_per_tick();
> >+
> >+  /* Software reset */
> >+  writel(1 << 15, timer->base + GPT_CR);
> >+  /* Dead loop until reset finished */
> >+  while (readl(timer->base + GPT_CR) & (1 << 15));
> >+
> >+  writel(0, timer->base + GPT_CR);
> >+  writel(0, timer->base + GPT_PR);
> >+
> >+  gpt_cr = TCTL_CLK_OSC_DIV8 | TCTL_FRR | TCTL_WAITEN | TCTL_TEN;
> >+  gpt_cr |= TCTL_24MEN;
> >+
> >+  /* 3M = 24M / 8*/
> >+  tprer_val = 7 << TPRER_PRE24M;
> >+  writel(tprer_val, timer->base + GPT_PR);
> >+
> >+  writel(gpt_cr, timer->base + GPT_CR);
> >+
> >+  /* Install timecounter */ \
> >+  gpt_clock_tc.tc_get_timecount = gpt_clock_get_timecount;
> >+  gpt_clock_tc.tc_counter_mask = 0xffffffff;
> >+  /* Runs at 3M */
> >+  gpt_clock_tc.tc_frequency = 3000000;
> >+  gpt_clock_tc.tc_quality = RTEMS_TIMECOUNTER_QUALITY_CLOCK_DRIVER;
> >+  rtems_timecounter_install(&gpt_clock_tc);
> >+
> >+  /* Clear pending interrupt */
> >+  gpt_irq_ack();
> >+
> >+  /* Fill the value to trigger the tick compare event */
> >+  cur_cnt = readl(timer->base + GPT_CNT);
> >+  writel(cur_cnt + interval, timer->base + GPT_OCR1);
> >+
> >+  /* Enable interrupt */
> >+  gpt_irq_enable();
> >+}
> >+
> >+static void gpt_clock_at_tick(void)
> >+{
> >+  uint32_t gpt_cnt;
> >+  /*
> >+   * The GPT runs at 3M.
> >+   *
> >+   *             rtems_configuration_get_microseconds_per_tick
> >+   * interval =         ----------------------
> >+   *                      1000000 / 3000000
> >+   */
> >+  uint32_t interval = 3 *
> rtems_configuration_get_microseconds_per_tick();
> >+
> >+  gpt_irq_disable();
> >+  gpt_irq_ack();
> >+
> >+  gpt_cnt = readl(timer->base + GPT_CNT);
> >+  writel(gpt_cnt + interval, timer->base + GPT_OCR1);
> >+
> >+  gpt_irq_enable();
> >+}
> >+
> >+CPU_Counter_ticks _CPU_Counter_read(void)
> >+{
> >+  return gpt_clock_get_timecount(NULL);
> >+}
> >+
> >+static rtems_interrupt_handler clock_isr = NULL;
> >+
> >+static void gpt_clock_handler_install(rtems_interrupt_handler isr)
> >+{
> >+  rtems_status_code sc = RTEMS_SUCCESSFUL;
> >+
> >+  sc = rtems_interrupt_handler_install(
> >+    timer->irq_nr,
> >+    "Clock",
> >+    RTEMS_INTERRUPT_UNIQUE,
> >+    isr,
> >+    NULL
> >+  );
> >+
> >+  if (sc != RTEMS_SUCCESSFUL) {
> >+    rtems_fatal_error_occurred(0xdeadbeef);
> >+  }
> >+  clock_isr = isr;
> >+}
> >+
> >+static void gpt_clock_cleanup(void)
> >+{
> >+  rtems_status_code sc = RTEMS_SUCCESSFUL;
> >+
> >+  gpt_irq_ack();
> >+
> >+  gpt_irq_disable();
> >+
> >+  /* Remove interrupt handler */
> >+  sc = rtems_interrupt_handler_remove(
> >+    timer->irq_nr,
> >+    clock_isr,
> >+    NULL
> >+  );
> >+  if (sc != RTEMS_SUCCESSFUL) {
> >+    rtems_fatal_error_occurred(0xdeadbeef);
> >+  }
> >+  clock_isr = NULL;
> >+}
> >+
> >+#define Clock_driver_support_at_tick() gpt_clock_at_tick()
> >+#define Clock_driver_support_initialize_hardware() gpt_clock_initialize()
> >+#define Clock_driver_support_install_isr(isr, old_isr) \
> >+  do {                   \
> >+    gpt_clock_handler_install(isr);          \
> >+    old_isr = NULL;              \
> >+  } while (0)
> >+
> >+#define Clock_driver_support_shutdown_hardware() gpt_clock_cleanup()
> >+
> >+/* Include shared source clock driver code */
> >+#include "../../shared/clockdrv_shell.h"
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/include/bsp.h
> b/c/src/lib/libbsp/arm/mx6ulevk/include/bsp.h
> >new file mode 100644
> >index 0000000..516294a
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/include/bsp.h
> >@@ -0,0 +1,121 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>.
> >+ *
> >+ * The license and distribution terms for this file may be
> >+ * found in the file LICENSE in this distribution or at
> >+ * http://www.rtems.org/license/LICENSE.
> >+ */
> >+
> >+#ifndef LIBBSP_ARM_MX6ULEVK_BSP_H
> >+#define LIBBSP_ARM_MX6ULEVK_BSP_H
> >+
> >+#include <bspopts.h>
> >+#include <stdint.h>
> >+#include <bsp/start.h>
> >+#include <bsp/default-initial-extension.h>
> >+
> >+#include <rtems.h>
> >+#include <rtems/irq-extension.h>
> >+
> >+#define BSP_FEATURE_IRQ_EXTENSION
> >+
> >+/* Access memory-mapped I/O devices */
> >+#define mmio_read(a)    (*(volatile uint32_t *)(a))
> >+#define mmio_write(a,v) (*(volatile uint32_t *)(a) = (v))
> >+#define mmio_set(a,v)   mmio_write((a), mmio_read((a)) | (v))
> >+#define mmio_clear(a,v) mmio_write((a), mmio_read((a)) & ~(v))
> >+
> >+#define REG16(x)(*((volatile uint16_t *)(x)))
> >+#define REG(x)(*((volatile uint32_t *)(x)))
> >+#define BIT(x)(0x1 << x)
> >+
> >+#define udelay(u) rtems_task_wake_after(1 +
> ((u)/rtems_configuration_get_microseconds_per_tick()))
> >+
> >+/* Write a uint32_t value to a memory address. */
> >+static inline void
> >+write32(uint32_t address, uint32_t value)
> >+{
> >+    REG(address) = value;
> >+}
> >+
> >+/* Read an uint32_t from a memory address */
> >+static inline uint32_t
> >+read32(uint32_t address)
> >+{
> >+    return REG(address);
> >+}
> >+
> >+/* Set a 32 bits value depending on a mask */
> >+static inline void
> >+set32(uint32_t address, uint32_t mask, uint32_t value)
> >+{
> >+    uint32_t val;
> >+    val = read32(address);
> >+    /* clear the bits */
> >+    val &= ~(mask);
> >+    /* apply the value using the mask */
> >+    val |= (value & mask);
> >+    write32(address, val);
> >+}
> >+
> >+/* Write a uint16_t value to a memory address. */
> >+static inline void
> >+write16(uint32_t address, uint16_t value)
> >+{
> >+    REG16(address) = value;
> >+}
> >+
> >+/* Read an uint16_t from a memory address */
> >+static inline uint16_t
> >+read16(uint32_t address)
> >+{
> >+    return REG16(address);
> >+}
> >+
> >+/* Data synchronization barrier */
> >+static inline void dsb(void)
> >+{
> >+    asm volatile("dsb" : : : "memory");
> >+}
> >+
> >+/* Instruction synchronization barrier */
> >+static inline void isb(void)
> >+{
> >+    asm volatile("isb" : : : "memory");
> >+}
> >+
> >+/* flush data cache */
> >+static inline void flush_data_cache(void)
> >+{
> >+    asm volatile(
> >+        "mov r0, #0\n"
> >+        "mcr p15, #0, r0, c7, c10, #4\n"
> >+        : /* No outputs */
> >+        : /* No inputs */
> >+        : "r0","memory"
> >+    );
> >+}
> >+
> >+#define __arch_getb(a)      (*(volatile unsigned char *)(a))
> >+#define __arch_getw(a)      (*(volatile unsigned short *)(a))
> >+#define __arch_getl(a)      (*(volatile unsigned int *)(a))
> >+
> >+#define __arch_putb(v,a)    (*(volatile unsigned char *)(a) = (v))
> >+#define __arch_putw(v,a)    (*(volatile unsigned short *)(a) = (v))
> >+#define __arch_putl(v,a)    (*(volatile unsigned int *)(a) = (v))
> >+
> >+#define writeb(v,c) ({ unsigned char  __v = v; __arch_putb(__v,c); __v;
> })
> >+#define writew(v,c) ({ unsigned short __v = v; __arch_putw(__v,c); __v;
> })
> >+#define writel(v,c) ({ unsigned int __v = v; __arch_putl(__v,c); __v; })
> >+
> >+#define readb(c)  ({ unsigned char  __v = __arch_getb(c); __v; })
> >+#define readw(c)  ({ unsigned short __v = __arch_getw(c); __v; })
> >+#define readl(c)  ({ unsigned int __v = __arch_getl(c); __v; })
> >+
> >+#define BSP_ARM_GIC_DIST_BASE 0x00a01000
> >+#define BSP_ARM_GIC_CPUIF_BASE 0x00a02000
> >+
> >+#define GPT_TIMER_BASE 0x02098000
> >+#define UART_BASE 0x02020000
> >+
> >+#endif /* LIBBSP_ARM_BEAGLE_BSP_H */
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-gpt.h
> b/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-gpt.h
> >new file mode 100644
> >index 0000000..6ce9c15
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-gpt.h
> >@@ -0,0 +1,48 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>.
> >+ *
> >+ * The license and distribution terms for this file may be
> >+ * found in the file LICENSE in this distribution or at
> >+ * http://www.rtems.org/license/LICENSE.
> >+ */
> >+
> >+#ifndef LIBBSP_ARM_MX6ULEVK_GPT_H
> >+#define LIBBSP_ARM_MX6ULEVK_GPT_H
> >+
> >+#include <stdint.h>
> >+
> >+/* i.MX6 GPT register bit definition */
> >+#define TCTL_WAITEN          (1 << 3)
> >+#define TCTL_CLK_IPG         (1 << 6)
> >+#define TCTL_CLK_PER         (2 << 6)
> >+#define TCTL_CLK_OSC_DIV8    (5 << 6)
> >+#define TCTL_CLK_OSC         (7 << 6)
> >+#define TCTL_24MEN           (1 << 10)
> >+#define TCTL_FRR             (1 << 9)
> >+#define TPRER_PRE24M         12
> >+#define IR                   0x0c
> >+#define TSTAT                0x08
> >+#define TSTAT_OF1            (1 << 0)
> >+#define TCN                  0x24
> >+#define TCMP                 0x10
> >+#define TCTL_TEN            (1 << 0) /* Enable module */
> >+
> >+/* Register offset */
> >+#define GPT_CR   0x0
> >+#define GPT_PR   0x4
> >+#define GPT_SR   0x8
> >+#define GPT_IR   0xC
> >+#define GPT_OCR1 0x10
> >+#define GPT_OCR2 0x14
> >+#define GPT_OCR3 0x18
> >+#define GPT_ICR1 0x1C
> >+#define GPT_ICR2 0x20
> >+#define GPT_CNT  0x24
> >+
> >+typedef struct imx6_gpt_timer
> >+{
> >+  uint32_t base;
> >+  int irq_nr;
> >+} imx6_gpt_timer_t;
> >+
> >+#endif
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-uart.h
> b/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-uart.h
> >new file mode 100644
> >index 0000000..cbce66a
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/include/imx6-uart.h
> >@@ -0,0 +1,60 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>.
> >+ *
> >+ * The license and distribution terms for this file may be
> >+ * found in the file LICENSE in this distribution or at
> >+ * http://www.rtems.org/license/LICENSE.
> >+ */
> >+
> >+#ifndef LIBBSP_ARM_MX6ULEVK_UART_REGS_H
> >+#define LIBBSP_ARM_MX6ULEVK_UART_REGS_H
> >+
> >+/* Register offset */
> >+#define URXD_OFF  0x0
> >+#define UTXD_OFF  0x40
> >+#define UCR1_OFF  0x80
> >+#define UCR2_OFF  0x84
> >+#define UCR3_OFF  0x88
> >+#define UCR4_OFF  0x8c
> >+#define UFCR_OFF  0x90
> >+#define USR1_OFF  0x94
> >+#define USR2_OFF  0x98
> >+#define UESC_OFF  0x9c
> >+#define UTIM_OFF  0xa0
> >+#define UBIR_OFF  0xa4
> >+#define UBMR_OFF  0xa8
> >+#define UBRC_OFF  0xac
> >+#define ONEMS_OFF 0xb0
> >+#define UTS_OFF   0xb4
> >+
> >+/* Register Bit Fields.*/
> >+#define  URXD_CHARRDY    (1<<15)
> >+#define  URXD_ERR        (1<<14)
> >+#define  URXD_OVRRUN     (1<<13)
> >+#define  URXD_FRMERR     (1<<12)
> >+#define  URXD_BRK        (1<<11)
> >+#define  URXD_PRERR      (1<<10)
> >+#define  URXD_RX_DATA    (0xFF)
> >+#define  UCR1_ADEN       (1<<15)
> >+#define  UCR1_ADBR       (1<<14)
> >+#define  UCR1_TRDYEN     (1<<13)
> >+#define  UCR1_IDEN       (1<<12)
> >+#define  UCR1_RRDYEN     (1<<9)
> >+#define  UCR1_RDMAEN     (1<<8)
> >+#define  UCR1_IREN       (1<<7)
> >+#define  UCR1_TXMPTYEN   (1<<6)
> >+#define  UCR1_RTSDEN     (1<<5)
> >+#define  UCR1_SNDBRK     (1<<4)
> >+#define  UCR1_TDMAEN     (1<<3)
> >+#define  UCR1_UARTCLKEN  (1<<2)
> >+#define  UCR1_DOZE       (1<<1)
> >+#define  UCR1_UARTEN     (1<<0)
> >+#define  UTS_FRCPERR   (1<<13)
> >+#define  UTS_LOOP        (1<<12)
> >+#define  UTS_TXEMPTY   (1<<6)
> >+#define  UTS_RXEMPTY   (1<<5)
> >+#define  UTS_TXFULL    (1<<4)
> >+#define  UTS_RXFULL    (1<<3)
> >+#define  UTS_SOFTRST   (1<<0)
> >+
> >+#endif
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/include/irq.h
> b/c/src/lib/libbsp/arm/mx6ulevk/include/irq.h
> >new file mode 100644
> >index 0000000..ff75953
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/include/irq.h
> >@@ -0,0 +1,38 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.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.
> >+ */
> >+
> >+#ifndef LIBBSP_ARM_MX6ULEVK_IRQ_H
> >+#define LIBBSP_ARM_MX6ULEVK_IRQ_H
> >+
> >+#ifndef ASM
> >+
> >+#include <rtems/irq.h>
> >+#include <rtems/irq-extension.h>
> >+
> >+#include <bsp/arm-gic-irq.h>
> >+
> >+#ifdef __cplusplus
> >+extern "C" {
> >+#endif /* __cplusplus */
> >+
> >+/*
> >+ * Interrupt Vector numbers
> >+ */
> >+#define UART_IRQ 58
> >+#define GPT_IRQ 87
> >+
> >+#define BSP_INTERRUPT_VECTOR_MIN 0
> >+#define BSP_INTERRUPT_VECTOR_MAX 158
> >+
> >+#ifdef __cplusplus
> >+}
> >+#endif /* __cplusplus */
> >+
> >+#endif /* ASM */
> >+
> >+#endif /* LIBBSP_ARM_MX6ULEVK_IRQ_H */
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/include/tm27.h
> b/c/src/lib/libbsp/arm/mx6ulevk/include/tm27.h
> >new file mode 100644
> >index 0000000..96ab469
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/include/tm27.h
> >@@ -0,0 +1,24 @@
> >+/*
> >+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
> >+ *
> >+ *  embedded brains GmbH
> >+ *  Dornierstr. 4
> >+ *  82178 Puchheim
> >+ *  Germany
> >+ *  <info 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 _RTEMS_TMTEST27
> >+#error "This is an RTEMS internal file you must not include directly."
> >+#endif
> >+
> >+#ifndef __tm27_h
> >+#define __tm27_h
> >+
> >+#include <bsp/arm-gic-tm27.h>
> >+
> >+#endif /* __tm27_h */
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/make/custom/mx6ulevk.cfg
> b/c/src/lib/libbsp/arm/mx6ulevk/make/custom/mx6ulevk.cfg
> >new file mode 100644
> >index 0000000..162e1ad
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/make/custom/mx6ulevk.cfg
> >@@ -0,0 +1,9 @@
> >+include $(RTEMS_ROOT)/make/custom/default.cfg
> >+
> >+RTEMS_CPU_MODEL=mx6
> >+
> >+RTEMS_CPU = arm
> >+
> >+CPU_CFLAGS = -march=armv7-a -mfpu=neon -mfloat-abi=soft -mtune=cortex-a7
> >+
> >+CFLAGS_OPTIMIZE_V ?= -O0 -g
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/preinstall.am
> b/c/src/lib/libbsp/arm/mx6ulevk/preinstall.am
> >new file mode 100644
> >index 0000000..7a0dee4
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/preinstall.am
> >@@ -0,0 +1,151 @@
> >+## Automatically generated by ampolish3 - Do not edit
> >+
> >+if AMPOLISH3
> >+$(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)/bsp/imx6-gpt.h: include/imx6-gpt.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/imx6-gpt.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/imx6-gpt.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/imx6-uart.h: include/imx6-uart.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/imx6-uart.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/imx6-uart.h
> >+
> >+$(PROJECT_INCLUDE)/tm27.h: 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/arm-a8core-start.h:
> ../shared/include/arm-a8core-start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-a8core-start.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-a8core-start.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-cp15-start.h:
> ../shared/include/arm-cp15-start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-cp15-start.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-cp15-start.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-errata.h: ../shared/include/arm-errata.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-errata.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-errata.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-release-id.h:
> ../shared/include/arm-release-id.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-release-id.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-release-id.h
> >+
> >+$(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/arm-gic.h: ../shared/include/arm-gic.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-gic.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-gic.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-gic-irq.h: ../shared/include/arm-gic-irq.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-gic-irq.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-gic-irq.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-gic-regs.h: ../shared/include/arm-gic-regs.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-gic-regs.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-gic-regs.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-gic-tm27.h: ../shared/include/arm-gic-tm27.h
> $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-gic-tm27.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-gic-tm27.h
> >+
> >+$(PROJECT_INCLUDE)/bsp/arm-release-id.h:
> ../shared/include/arm-release-id.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-release-id.h
> >+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-release-id.h
> >+
> >+$(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)/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.mx6ulevk: startup/linkcmds.mx6ulevk
> $(PROJECT_LIB)/$(dirstamp)
> >+      $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.mx6ulevk
> >+TMPINSTALL_FILES += $(PROJECT_LIB)/linkcmds.mx6ulevk
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/startup/bspreset.c
> b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspreset.c
> >new file mode 100644
> >index 0000000..52d07cd
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspreset.c
> >@@ -0,0 +1,24 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>
> >+ *
> >+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
> >+ *
> >+ *  embedded brains GmbH
> >+ *  Dornierstr. 4
> >+ *  82178 Puchheim
> >+ *  Germany
> >+ *  <info 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/bootcard.h>
> >+
> >+void bsp_reset(void)
> >+{
> >+  while (true) {
> >+    /* TODO */;
> >+  }
> >+}
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstart.c
> b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstart.c
> >new file mode 100644
> >index 0000000..8ebd187
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstart.c
> >@@ -0,0 +1,25 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>
> >+ *
> >+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
> >+ *
> >+ *  embedded brains GmbH
> >+ *  Dornierstr. 4
> >+ *  82178 Puchheim
> >+ *  Germany
> >+ *  <info 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>
> >+
> >+void bsp_start(void)
> >+{
> >+  bsp_interrupt_initialize();
> >+  printk("\n RTEMS MX6ULEVK board \n");
> >+}
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstarthooks.c
> b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstarthooks.c
> >new file mode 100644
> >index 0000000..28288f9
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/startup/bspstarthooks.c
> >@@ -0,0 +1,70 @@
> >+/*
> >+ * Copyright (c) 2016 Peng Fan <van.freenix at gmail.com>
> >+ *
> >+ * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
> >+ *
> >+ *  embedded brains GmbH
> >+ *  Dornierstr. 4
> >+ *  82178 Puchheim
> >+ *  Germany
> >+ *  <info 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/start.h>
> >+#include <bsp/arm-cp15-start.h>
> >+#include <bsp/arm-a8core-start.h>
> >+
> >+BSP_START_DATA_SECTION static const arm_cp15_start_section_config
> >+mx6ulevk_mmu_config_table[] = {
> >+  ARMV7_CP15_START_DEFAULT_SECTIONS,
> >+  {
> >+    /* ARM CORE */
> >+    .begin = 0x00A00000U,
> >+    .end   = 0x00A08000U,
> >+    .flags = ARMV7_MMU_DEVICE
> >+  }, {
> >+    /* AIPS1 */
> >+    .begin = 0x02000000U,
> >+    .end   = 0x02100000U,
> >+    .flags = ARMV7_MMU_DEVICE
> >+  }, {
> >+    /* AIPS2 */
> >+    .begin = 0x02100000U,
> >+    .end   = 0x02200000U,
> >+    .flags = ARMV7_MMU_DEVICE
> >+  }
> >+};
> >+
> >+BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void)
> >+{
> >+
> >+  uint32_t ctrl = arm_cp15_start_setup_mmu_and_cache(
> >+    ARM_CP15_CTRL_A | ARM_CP15_CTRL_M,
> >+    ARM_CP15_CTRL_AFE | ARM_CP15_CTRL_Z
> >+  );
> >+
> >+  arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache(
> >+    ctrl,
> >+    (uint32_t *) bsp_translation_table_base,
> >+    ARM_MMU_DEFAULT_CLIENT_DOMAIN,
> >+    &mx6ulevk_mmu_config_table[0],
> >+    RTEMS_ARRAY_SIZE(mx6ulevk_mmu_config_table)
> >+  );
> >+}
> >+
> >+BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
> >+{
> >+}
> >+
> >+BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
> >+{
> >+  arm_a8core_start_hook_1();
> >+  bsp_start_copy_sections();
> >+  setup_mmu_and_cache();
> >+  bsp_start_clear_bss();
> >+}
> >diff --git a/c/src/lib/libbsp/arm/mx6ulevk/startup/linkcmds.mx6ulevk
> b/c/src/lib/libbsp/arm/mx6ulevk/startup/linkcmds.mx6ulevk
> >new file mode 100644
> >index 0000000..20ea3eb
> >--- /dev/null
> >+++ b/c/src/lib/libbsp/arm/mx6ulevk/startup/linkcmds.mx6ulevk
> >@@ -0,0 +1,48 @@
> >+/**
> >+ * @file
> >+ *
> >+ * @ingroup  arm_beagle
> >+ *
> >+ * @brief Linker script for beagles.
> >+ */
> >+
> >+MEMORY {
> >+  /* Beagleboards and beaglebones all
> >+   * have either 256M or 512M memory. We just
> >+   * use 256M for all.
> >+   */
> >+  RAM      : ORIGIN = 0x80000000, LENGTH = 256M - 4M
> >+  RAM_MMU  : ORIGIN = 0x80000000 + 256M - 4M, LENGTH = 16k
> >+}
> >+
> >+REGION_ALIAS ("REGION_START",          RAM);
> >+REGION_ALIAS ("REGION_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);
> >+REGION_ALIAS ("REGION_NOCACHE",        RAM);
> >+REGION_ALIAS ("REGION_NOCACHE_LOAD",   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_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ?
> bsp_section_rwbarrier_align : 1M;
> >+
> >+bsp_vector_table_in_start_section = 1;
> >+
> >+bsp_translation_table_base = ORIGIN (RAM_MMU);
> >+bsp_translation_table_end = ORIGIN (RAM_MMU) + LENGTH (RAM_MMU);
> >+
> >+INCLUDE linkcmds.armv4
> >+
> >+HeapSize = 1024 * 1024;
> >--
> >2.6.2
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20160419/53b14eff/attachment-0002.html>


More information about the devel mailing list