<p>Add support for new SiFive RISC-V board <a href="https://www.sifive.com/boards/hifive1-rev-b" rel="nofollow">HiFive1B</a><br>
Added support for the two variants of the FE310 CPU, FE310_G000 on the HiFive1 and FE310_G002 on the HiFive1B<br>
Made minor tweaks to HiFive1 board for comments and FE310_G000.ld linker file<br>
Added HiFive1B to same blacklists as HiFive1</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/RIOT-OS/RIOT/pull/11744'>https://github.com/RIOT-OS/RIOT/pull/11744</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>cpu/fe310: Add support for FE310_G002</li>
  <li>board/hifive1: minor changes for FE310_G000 CPU</li>
  <li>cpu/hifive1b: initial HiFive1B support</li>
  <li>examples/* : blacklisting for hifive1b</li>
  <li>tests/* : blacklisting for hifive1b</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-0">boards/hifive1/Makefile.include</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-1">boards/hifive1/board.c</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-2">boards/hifive1/include/board.h</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-3">boards/hifive1/include/periph_conf.h</a>
    (2)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-4">boards/hifive1b/Makefile</a>
    (3)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-5">boards/hifive1b/Makefile.dep</a>
    (1)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-6">boards/hifive1b/Makefile.features</a>
    (14)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-7">boards/hifive1b/Makefile.include</a>
    (20)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-8">boards/hifive1b/board.c</a>
    (160)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-9">boards/hifive1b/include/board.h</a>
    (66)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-10">boards/hifive1b/include/periph_conf.h</a>
    (96)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-11">boards/hifive1b/include/vendor/LICENSE</a>
    (206)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-12">boards/hifive1b/include/vendor/hifive1.h</a>
    (78)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-13">cpu/fe310/include/vendor/i2c.h</a>
    (33)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-14">cpu/fe310/include/vendor/platform.h</a>
    (17)
  </li>
  <li>
    <strong>R</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-15">cpu/fe310/ldscripts/fe310_g000.ld</a>
    (10)
  </li>
  <li>
    <strong>A</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-16">cpu/fe310/ldscripts/fe310_g002.ld</a>
    (184)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-17">examples/asymcute_mqttsn/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-18">examples/cord_ep/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-19">examples/cord_epsim/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-20">examples/dtls-echo/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-21">examples/emcute_mqttsn/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-22">examples/gnrc_border_router/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-23">examples/gnrc_networking/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-24">examples/gnrc_tftp/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-25">examples/javascript/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-26">examples/lua_REPL/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-27">examples/lua_basic/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-28">tests/conn_can/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-29">tests/gnrc_ipv6_ext/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-30">tests/gnrc_netif/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-31">tests/gnrc_rpl_srh/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-32">tests/gnrc_sixlowpan/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-33">tests/gnrc_sock_dns/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-34">tests/gnrc_tcp_client/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-35">tests/gnrc_tcp_server/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-36">tests/gnrc_udp/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-37">tests/lwip/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-38">tests/periph_timer/Makefile</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-39">tests/pkg_relic/Makefile</a>
    (1)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-40">tests/pkg_ubasic/Makefile</a>
    (1)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/RIOT-OS/RIOT/pull/11744/files#diff-41">tests/pthread_cooperation/Makefile</a>
    (2)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/RIOT-OS/RIOT/pull/11744.patch'>https://github.com/RIOT-OS/RIOT/pull/11744.patch</a></li>
  <li><a href='https://github.com/RIOT-OS/RIOT/pull/11744.diff'>https://github.com/RIOT-OS/RIOT/pull/11744.diff</a></li>
</ul>

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