From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.gmx.net ([212.227.17.20]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dxubK-0000pW-IJ for barebox@lists.infradead.org; Fri, 29 Sep 2017 12:41:08 +0000 Received: from [192.168.1.241] ([31.18.251.132]) by mail.gmx.com (mrgmx101 [212.227.17.168]) with ESMTPSA (Nemesis) id 0M4CB5-1d72qa1I6F-00rn0x for ; Fri, 29 Sep 2017 14:35:43 +0200 References: <20170928231249.4158-1-antonynpavlov@gmail.com> <20170928231249.4158-11-antonynpavlov@gmail.com> From: Oleksij Rempel Message-ID: <9b1d2334-72a1-7aee-a1d5-3df034c29fef@rempel-privat.de> Date: Fri, 29 Sep 2017 14:35:37 +0200 MIME-Version: 1.0 In-Reply-To: <20170928231249.4158-11-antonynpavlov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5684701155762758643==" Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [RFC v4 10/10] Documentation: add RISC-V docs To: barebox@lists.infradead.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============5684701155762758643== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="B45oWLIJANcC0fe5TObhqvfcwacTVtWDQ" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --B45oWLIJANcC0fe5TObhqvfcwacTVtWDQ Content-Type: multipart/mixed; boundary="Nc0nge3QBNwh5CK8mg4RAkUUwXsI0MWQ4"; protected-headers="v1" From: Oleksij Rempel To: barebox@lists.infradead.org Message-ID: <9b1d2334-72a1-7aee-a1d5-3df034c29fef@rempel-privat.de> Subject: Re: [RFC v4 10/10] Documentation: add RISC-V docs References: <20170928231249.4158-1-antonynpavlov@gmail.com> <20170928231249.4158-11-antonynpavlov@gmail.com> In-Reply-To: <20170928231249.4158-11-antonynpavlov@gmail.com> --Nc0nge3QBNwh5CK8mg4RAkUUwXsI0MWQ4 Content-Type: text/plain; charset=utf-8 Content-Language: ru Content-Transfer-Encoding: quoted-printable Am 29.09.2017 um 01:12 schrieb Antony Pavlov: > Signed-off-by: Antony Pavlov > --- > Documentation/boards/riscv.rst | 110 +++++++++++++++++++++++++++++++++= ++++++++ > 1 file changed, 110 insertions(+) >=20 > diff --git a/Documentation/boards/riscv.rst b/Documentation/boards/risc= v.rst > new file mode 100644 > index 000000000..912f16786 > --- /dev/null > +++ b/Documentation/boards/riscv.rst > @@ -0,0 +1,110 @@ > +RISC-V > +=3D=3D=3D=3D=3D=3D > + > +At the moment only qemu emulator is supported (see https://github.com/= riscv/riscv-isa-sim > +for details). > + > +Running RISC-V barebox on qemu > +------------------------------ > + > +Obtain RISC-V GCC/Newlib Toolchain, > +see https://github.com/riscv/riscv-tools/blob/master/README.md > +for details. The ``build.sh`` script from ``riscv-tools`` should > +create toolchain. > + > +Next compile qemu emulator:: > + > + $ git clone -b 20170824.erizo https://github.com/miet-riscv-workgrou= p/riscv-qemu > + $ cd riscv-qemu > + $ cap=3D"no" ./configure \ > + --extra-cflags=3D"-Wno-maybe-uninitialized" \ > + --audio-drv-list=3D"" \ > + --disable-attr \ > + --disable-blobs \ > + --disable-bluez \ > + --disable-brlapi \ > + --disable-curl \ > + --disable-curses \ > + --disable-docs \ > + --disable-kvm \ > + --disable-spice \ > + --disable-sdl \ > + --disable-vde \ > + --disable-vnc-sasl \ > + --disable-werror \ > + --enable-trace-backend=3Dsimple \ > + --disable-stack-protector \ > + --target-list=3Driscv32-softmmu,riscv64-softmmu > + $ make > + > + > +Next compile barebox:: > + > + $ make erizo_generic_defconfig ARCH=3Driscv > + ... > + $ make ARCH=3Driscv CROSS_COMPILE=3D/r= iscv32-unknown-elf- > + > +Run barebox:: > + > + $ /riscv32-softmmu/qemu-system-riscv32 \ > + -nographic -M erizo -bios /barebox.bin= \ > + -serial stdio -monitor none -trace file=3D/dev/null > + > + nmon> q > + =20 > + copy loop done > + restarting... > + =20 > + nmon> q > + Switch to console [cs0] > + =20 > + =20 > + barebox 2017.08.0-00102-g212af75153 #1 Mon Sep 4 20:54:31 MSK 2017 > + =20 > + =20 > + Board: generic Erizo SoC board > + m25p80 m25p128@00: unrecognized JEDEC id bytes: 00, 0, 0 > + m25p80 m25p128@00: probe failed: error 2 > + malloc space: 0x80100000 -> 0x801fffff (size 1 MiB) > + running /env/bin/init... > + /env/bin/init not found > + barebox:/ > + > + > +Running RISC-V barebox on DE0-Nano FPGA board > +--------------------------------------------- > + > +See https://github.com/open-design/riscv-soc-cores/ for instructions > +on DE0-Nano bitstream generation and loading. > + > +Connect to board's UART with your favorite serial communication softwa= re > +(e.g. minicom) and check 'nmon> ' prompt (nmon runs from onchip ROM). > + > +Next close your communication software and use ./scripts/nmon-loader > +to load barebox image into board's DRAM, e.g. > + > + # ./scripts/nmon-loader barebox.erizo.nmon /dev/ttyUSB1 115200 > + > +Wait several munutes for 'nmon> ' prompt. > + > +Next, start barebox from DRAM: > + > + nmon> g 80000000 > + > +You should see one more 'nmon> ' prompt (this nmon runs from DRAM). > +Exit nmon with 'q' command: > + > + nmon> q > + Switch to console [cs0] > + =20 > + =20 > + barebox 2017.08.0-00102-g212af75153 #1 Mon Sep 4 20:54:31 MSK 2017 > + =20 > + =20 > + Board: generic Erizo SoC board > + m25p80 m25p128@00: unrecognized JEDEC id bytes: 00, 0, 0 > + m25p80 m25p128@00: probe failed: error 2 hmmm... not working example? > + malloc space: 0x80100000 -> 0x801fffff (size 1 MiB) > + running /env/bin/init... > + /env/bin/init not found > + barebox:/=20 some parts are missing in defconfig. Barebox shell can display hostname and so on ;) --=20 Regards, Oleksij --Nc0nge3QBNwh5CK8mg4RAkUUwXsI0MWQ4-- --B45oWLIJANcC0fe5TObhqvfcwacTVtWDQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iF4EAREIAAYFAlnOPhkACgkQHwImuRkmbWlf+QD8CGDuqZ3xsL3hkRZUAHCY+QyI qIabdTlvljHQY4OGx9AA/3lp5AOhaxkUp7SXmxTzyAbo9r+wUNPb/pff80+MX+U3 =THqb -----END PGP SIGNATURE----- --B45oWLIJANcC0fe5TObhqvfcwacTVtWDQ-- --===============5684701155762758643== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox --===============5684701155762758643==--