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>CalmRISC/CalmRISC32 Samsung CalmRISC32 Core Evaluation Board </TITLE
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>eCos Reference Manual</TH
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>Chapter 5. Installation and Testing</TD
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>Chapter 5. Installation and Testing</TD
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><A
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><A
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NAME="CALMRISC32">CalmRISC/CalmRISC32 Samsung CalmRISC32 Core Evaluation Board</H1
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NAME="CALMRISC32">CalmRISC/CalmRISC32 Samsung CalmRISC32 Core Evaluation Board</H1
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><DIV
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><DIV
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CLASS="SECT2"
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CLASS="SECT2"
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><H2
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><H2
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CLASS="SECT2"
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CLASS="SECT2"
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><A
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><A
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NAME="AEN6496">Overview</H2
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NAME="AEN6496">Overview</H2
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><P
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><P
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> The
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> The
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Samsung CalmRISC32 evaluation platform consists of two boards connected by a
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Samsung CalmRISC32 evaluation platform consists of two boards connected by a
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ribbon cable. One board contains the CPU core and memory. The other board is
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ribbon cable. One board contains the CPU core and memory. The other board is
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called the MDSChip board and provides the host interface. The calmRISC32 is a
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called the MDSChip board and provides the host interface. The calmRISC32 is a
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harvard architecture with separate 32-bit program and data addresses. The
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harvard architecture with separate 32-bit program and data addresses. The
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instruction set provides no instruction for writing to program memory. The
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instruction set provides no instruction for writing to program memory. The
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MDSChip board firmware (called CalmBreaker) provides a pseudo register interface
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MDSChip board firmware (called CalmBreaker) provides a pseudo register interface
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so that code running on the core has access to a serial channel and a mechanism
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so that code running on the core has access to a serial channel and a mechanism
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to write to program memory. The serial channel is fixed at 57600-8-N-1 by the
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to write to program memory. The serial channel is fixed at 57600-8-N-1 by the
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firmware. The CalmBreaker firmware also provides a serial protocol which
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firmware. The CalmBreaker firmware also provides a serial protocol which
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allows a host to download a program and to start or stop the core board.</P
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allows a host to download a program and to start or stop the core board.</P
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><P
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><P
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>The following RedBoot configurations are supported:
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>The following RedBoot configurations are supported:
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|
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<DIV
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<DIV
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CLASS="INFORMALTABLE"
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CLASS="INFORMALTABLE"
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><A
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><A
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NAME="AEN6506"><P
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NAME="AEN6506"><P
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></P
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></P
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><TABLE
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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CLASS="CALSTABLE"
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><THEAD
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><THEAD
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><TR
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><TR
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Configuration</TH
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>Configuration</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Mode</TH
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>Mode</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>Description</TH
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>Description</TH
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><TH
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><TH
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>File</TH
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>File</TH
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></TR
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></TR
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></THEAD
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></THEAD
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><TBODY
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><TBODY
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><TR
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><TR
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>ROM</TD
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>ROM</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
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>[ROM]</TD
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>[ROM]</TD
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><TD
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><TD
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ALIGN="LEFT"
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ALIGN="LEFT"
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VALIGN="TOP"
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VALIGN="TOP"
|
>RedBoot running via the MDSChip board.</TD
|
>RedBoot running via the MDSChip board.</TD
|
><TD
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><TD
|
ALIGN="LEFT"
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ALIGN="LEFT"
|
VALIGN="TOP"
|
VALIGN="TOP"
|
>redboot_ROM.ecm</TD
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>redboot_ROM.ecm</TD
|
></TR
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></TR
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></TBODY
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></TBODY
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></TABLE
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></TABLE
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><P
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><P
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></P
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></P
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></DIV
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></DIV
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></P
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></P
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></DIV
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></DIV
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><DIV
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><DIV
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CLASS="SECT2"
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CLASS="SECT2"
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><H2
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><H2
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CLASS="SECT2"
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CLASS="SECT2"
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><A
|
><A
|
NAME="AEN6520">Initial Installation Method</H2
|
NAME="AEN6520">Initial Installation Method</H2
|
><P
|
><P
|
>The calmRISC32 core is controlled through the MDSChip board. There is
|
>The calmRISC32 core is controlled through the MDSChip board. There is
|
no non-volatile storage available for RedBoot, so RedBoot must be downloaded
|
no non-volatile storage available for RedBoot, so RedBoot must be downloaded
|
to the board on every power cycle. A small utility program is used to download
|
to the board on every power cycle. A small utility program is used to download
|
S-record files to the eval board. Sources and build instructions for this
|
S-record files to the eval board. Sources and build instructions for this
|
utility are located in the RedBoot sources in:
|
utility are located in the RedBoot sources in:
|
<TT
|
<TT
|
CLASS="FILENAME"
|
CLASS="FILENAME"
|
>packages/hal/calmrisc32/ceb/current/support</TT
|
>packages/hal/calmrisc32/ceb/current/support</TT
|
></P
|
></P
|
><P
|
><P
|
>To download the RedBoot image, first press the reset button on the MDSChip
|
>To download the RedBoot image, first press the reset button on the MDSChip
|
board. The green 'Run' LED on the core board should go off. Now, use the
|
board. The green 'Run' LED on the core board should go off. Now, use the
|
utility to download the RedBoot image with:
|
utility to download the RedBoot image with:
|
<TABLE
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<TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="SCREEN"
|
CLASS="SCREEN"
|
>$ <TT
|
>$ <TT
|
CLASS="USERINPUT"
|
CLASS="USERINPUT"
|
><B
|
><B
|
>calmbreaker -p /dev/term/b --reset --srec-code -f redboot.elf</B
|
>calmbreaker -p /dev/term/b --reset --srec-code -f redboot.elf</B
|
></TT
|
></TT
|
></PRE
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></PRE
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></TD
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></TD
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></TR
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></TR
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></TABLE
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></TABLE
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>
|
>
|
Note that the '-p /dev/term/b' specifies the serial port to use and will vary
|
Note that the '-p /dev/term/b' specifies the serial port to use and will vary
|
from system to syetm. The download will take about two minutes. After it
|
from system to syetm. The download will take about two minutes. After it
|
finishes, start RedBoot with:
|
finishes, start RedBoot with:
|
<TABLE
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<TABLE
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BGCOLOR="#E0E0F0"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="SCREEN"
|
CLASS="SCREEN"
|
>$ <TT
|
>$ <TT
|
CLASS="USERINPUT"
|
CLASS="USERINPUT"
|
><B
|
><B
|
>calmbreaker -p /dev/term/b --run</B
|
>calmbreaker -p /dev/term/b --run</B
|
></TT
|
></TT
|
></PRE
|
></PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
>
|
>
|
The 'Run' LED on the core board should be on. Connecting to the MDSboard with
|
The 'Run' LED on the core board should be on. Connecting to the MDSboard with
|
a terminal and typing enter should result in RedBoot reprinting the command
|
a terminal and typing enter should result in RedBoot reprinting the command
|
prompt.</P
|
prompt.</P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN6529">Special RedBoot Commands</H2
|
NAME="AEN6529">Special RedBoot Commands</H2
|
><P
|
><P
|
>None.</P
|
>None.</P
|
></DIV
|
></DIV
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN6532">Special Note on Serial Channel</H2
|
NAME="AEN6532">Special Note on Serial Channel</H2
|
><P
|
><P
|
>The MDSChip board uses a relatively slow microcontroller to provide
|
>The MDSChip board uses a relatively slow microcontroller to provide
|
the pseudo-register interface to the core board. This pseudo-register
|
the pseudo-register interface to the core board. This pseudo-register
|
interface provides access to the serial channel and write access to program
|
interface provides access to the serial channel and write access to program
|
memory. Those interfaces are slow and the serial channel is easily overrun
|
memory. Those interfaces are slow and the serial channel is easily overrun
|
by a fast host. For this reason, GDB must be told to limit the size of code
|
by a fast host. For this reason, GDB must be told to limit the size of code
|
download packets to avoid serial overrun. This is done with the following
|
download packets to avoid serial overrun. This is done with the following
|
GDB command:
|
GDB command:
|
<TABLE
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<TABLE
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="SCREEN"
|
CLASS="SCREEN"
|
>(gdb) <TT
|
>(gdb) <TT
|
CLASS="USERINPUT"
|
CLASS="USERINPUT"
|
><B
|
><B
|
>set download-write-size 25</B
|
>set download-write-size 25</B
|
></TT
|
></TT
|
></PRE
|
></PRE
|
></TD
|
></TD
|
></TR
|
></TR
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></TABLE
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></TABLE
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></P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN6537">Rebuilding RedBoot</H2
|
NAME="AEN6537">Rebuilding RedBoot</H2
|
><P
|
><P
|
>These shell variables provide the platform-specific information
|
>These shell variables provide the platform-specific information
|
needed for building RedBoot according to the procedure described in
|
needed for building RedBoot according to the procedure described in
|
<A
|
<A
|
HREF="rebuilding-redboot.html"
|
HREF="rebuilding-redboot.html"
|
>Chapter 3</A
|
>Chapter 3</A
|
>:
|
>:
|
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><TR
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><TD
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><TD
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><PRE
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><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>export TARGET=calm32_ceb
|
>export TARGET=calm32_ceb
|
export ARCH_DIR=calmrisc32
|
export ARCH_DIR=calmrisc32
|
export PLATFORM_DIR=ceb</PRE
|
export PLATFORM_DIR=ceb</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
></P
|
></P
|
><P
|
><P
|
>The names of configuration files are listed above with the
|
>The names of configuration files are listed above with the
|
description of the associated modes.</P
|
description of the associated modes.</P
|
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|
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|
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