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Message-ID: <20151015212540.GR32089@broadcom.com>
Date: Thu, 15 Oct 2015 17:25:40 -0400
From: Jon Mason <jonmason@...adcom.com>
To: Hauke Mehrtens <hauke@...ke-m.de>
CC: Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH v2 2/2] ARM: dts: bcm5301x: Add BCM SVK DT files
On Thu, Oct 15, 2015 at 10:55:16PM +0200, Hauke Mehrtens wrote:
> On 10/15/2015 10:40 PM, Hauke Mehrtens wrote:
> > On 10/15/2015 12:14 AM, Jon Mason wrote:
> >> Add device tree files for Broadcom Northstar based SVKs. Since the
> >> bcm5301x.dtsi already exists, all that is necessary is the dts files to
> >> enable the UARTs (and specify the RAM size for the 4708/9). With these
> >> files, the SVKs are able to boot to shell.
>
> One additional question. What flash are you using on these boards? For
> some common NAND flash properties you only have to include
> bcm5301x-nand-cs0-bch8.dtsi or do these boards use serial or parallel flash?
To be honest, I haven't gotten far enough to investigate that. I am
assuming that it is "brcm,nand-iproc" like NSP (which is different
than the file you reference).
Thanks,
Jon
>
> Hauke
>
> >>
> >> Signed-off-by: Jon Mason <jonmason@...adcom.com>
> >> ---
> >> arch/arm/boot/dts/Makefile | 5 +++-
> >> arch/arm/boot/dts/bcm94708.dts | 56 +++++++++++++++++++++++++++++++++++
> >> arch/arm/boot/dts/bcm94709.dts | 56 +++++++++++++++++++++++++++++++++++
> >> arch/arm/boot/dts/bcm953012k.dts | 63 ++++++++++++++++++++++++++++++++++++++++
> >> 4 files changed, 179 insertions(+), 1 deletion(-)
> >> create mode 100644 arch/arm/boot/dts/bcm94708.dts
> >> create mode 100644 arch/arm/boot/dts/bcm94709.dts
> >> create mode 100644 arch/arm/boot/dts/bcm953012k.dts
> >>
> >> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> >> index 233159d..96a1b58 100644
> >> --- a/arch/arm/boot/dts/Makefile
> >> +++ b/arch/arm/boot/dts/Makefile
> >> @@ -72,7 +72,10 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
> >> bcm47081-buffalo-wzr-900dhp.dtb \
> >> bcm4709-asus-rt-ac87u.dtb \
> >> bcm4709-buffalo-wxr-1900dhp.dtb \
> >> - bcm4709-netgear-r8000.dtb
> >> + bcm4709-netgear-r8000.dtb \
> >> + bcm94708.dtb \
> >> + bcm94709.dtb \
> >> + bcm953012k.dtb
> >> dtb-$(CONFIG_ARCH_BCM_63XX) += \
> >> bcm963138dvt.dtb
> >> dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
> >> diff --git a/arch/arm/boot/dts/bcm94708.dts b/arch/arm/boot/dts/bcm94708.dts
> >> new file mode 100644
> >> index 0000000..f60bb1d
> >> --- /dev/null
> >> +++ b/arch/arm/boot/dts/bcm94708.dts
> >> @@ -0,0 +1,56 @@
> >> +/*
> >> + * BSD LICENSE
> >> + *
> >> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
> >> + *
> >> + * Redistribution and use in source and binary forms, with or without
> >> + * modification, are permitted provided that the following conditions
> >> + * are met:
> >> + *
> >> + * * Redistributions of source code must retain the above copyright
> >> + * notice, this list of conditions and the following disclaimer.
> >> + * * Redistributions in binary form must reproduce the above copyright
> >> + * notice, this list of conditions and the following disclaimer in
> >> + * the documentation and/or other materials provided with the
> >> + * distribution.
> >> + * * Neither the name of Broadcom Corporation nor the names of its
> >> + * contributors may be used to endorse or promote products derived
> >> + * from this software without specific prior written permission.
> >> + *
> >> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> >> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> >> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> >> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> >> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> >> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> >> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> >> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> >> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> >> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> >> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> >> + */
> >> +
> >> +/dts-v1/;
> >> +
> >> +#include "bcm5301x.dtsi"
> >
> > Please include bcm4708.dtsi instead here.
> >
> >> +
> >> +/ {
> >> + model = "NorthStar SVK (BCM94708)";
> >> + compatible = "brcm,bcm94708", "brcm,bcm4708";
> >> +
> >> + aliases {
> >> + serial0 = &uart0;
> >> + };
> >> +
> >> + chosen {
> >> + bootargs = "console=ttyS0,115200";
> >> + };
> >> +
> >> + memory {
> >> + reg = <0x00000000 0x08000000>;
> >> + };
> >> +};
> >> +
> >> +&uart0 {
> >> + status = "okay";
> >> +};
> >> diff --git a/arch/arm/boot/dts/bcm94709.dts b/arch/arm/boot/dts/bcm94709.dts
> >> new file mode 100644
> >> index 0000000..88de313
> >> --- /dev/null
> >> +++ b/arch/arm/boot/dts/bcm94709.dts
> >> @@ -0,0 +1,56 @@
> >> +/*
> >> + * BSD LICENSE
> >> + *
> >> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
> >> + *
> >> + * Redistribution and use in source and binary forms, with or without
> >> + * modification, are permitted provided that the following conditions
> >> + * are met:
> >> + *
> >> + * * Redistributions of source code must retain the above copyright
> >> + * notice, this list of conditions and the following disclaimer.
> >> + * * Redistributions in binary form must reproduce the above copyright
> >> + * notice, this list of conditions and the following disclaimer in
> >> + * the documentation and/or other materials provided with the
> >> + * distribution.
> >> + * * Neither the name of Broadcom Corporation nor the names of its
> >> + * contributors may be used to endorse or promote products derived
> >> + * from this software without specific prior written permission.
> >> + *
> >> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> >> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> >> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> >> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> >> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> >> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> >> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> >> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> >> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> >> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> >> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> >> + */
> >> +
> >> +/dts-v1/;
> >> +
> >> +#include "bcm5301x.dtsi"
> >
> > Please include bcm4708.dtsi instead here.
> >
> >> +
> >> +/ {
> >> + model = "NorthStar SVK (BCM94709)";
> >> + compatible = "brcm,bcm94709", "brcm,bcm4708";
> >
> > I assume this is a bcm4709 SoC, then you should used this line:
> > compatible = "brcm,bcm94709", "brcm,bcm4709", "brcm,bcm4708";
> >
> > If you would put these device tree files into the bootloader and we
> > would have to do an workaround for all bcm4709 SoC, but nor for the
> > bcm4708 Soc Linux would be able to detect this.
> >
> >> +
> >> + aliases {
> >> + serial0 = &uart0;
> >> + };
> >> +
> >> + chosen {
> >> + bootargs = "console=ttyS0,115200";
> >> + };
> >> +
> >> + memory {
> >> + reg = <0x00000000 0x08000000>;
> >> + };
> >> +};
> >> +
> >> +&uart0 {
> >> + status = "okay";
> >> +};
> >> diff --git a/arch/arm/boot/dts/bcm953012k.dts b/arch/arm/boot/dts/bcm953012k.dts
> >> new file mode 100644
> >> index 0000000..8e99521
> >> --- /dev/null
> >> +++ b/arch/arm/boot/dts/bcm953012k.dts
> >> @@ -0,0 +1,63 @@
> >> +/*
> >> + * BSD LICENSE
> >> + *
> >> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
> >> + *
> >> + * Redistribution and use in source and binary forms, with or without
> >> + * modification, are permitted provided that the following conditions
> >> + * are met:
> >> + *
> >> + * * Redistributions of source code must retain the above copyright
> >> + * notice, this list of conditions and the following disclaimer.
> >> + * * Redistributions in binary form must reproduce the above copyright
> >> + * notice, this list of conditions and the following disclaimer in
> >> + * the documentation and/or other materials provided with the
> >> + * distribution.
> >> + * * Neither the name of Broadcom Corporation nor the names of its
> >> + * contributors may be used to endorse or promote products derived
> >> + * from this software without specific prior written permission.
> >> + *
> >> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> >> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> >> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> >> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> >> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> >> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> >> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> >> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> >> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> >> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> >> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> >> + */
> >> +
> >> +/dts-v1/;
> >> +
> >> +#include "bcm5301x.dtsi"
> >
> > What is the difference between bcm53012 and bcm4708?
> >
> > Currently we have the bcm4708.dtsi and the bcm47081.dtsi file one is for
> > dual core SoCs and the other for the single core versions, does one of
> > them fit BCM953012K, then you should include it?
> >
> >> +
> >> +/ {
> >> + model = "NorthStar SVK (BCM953012K)";
> >> + compatible = "brcm,bcm53012", "brcm,bcm4708";
> >
> > I assume this is a bcm53012 SoC and a BCM953012K board, then you should
> > used this line:
> > compatible = "brcm,bcm953012k", "brcm,brcm53012", "brcm,bcm4708";
> >
> >> +
> >> + aliases {
> >> + serial0 = &uart0;
> >> + serial1 = &uart1;
> >> + };
> >> +
> >> + chosen {
> >> + bootargs = "console=ttyS0,115200";
> >> + };
> >> +
> >> + memory {
> >> + reg = <0x00000000 0x10000000>;
> >> + };
> >> +};
> >> +
> >> +&uart0 {
> >> + clock-frequency = <62499840>;
> >> + status = "okay";
> >> +};
> >> +
> >> +&uart1 {
> >> + clock-frequency = <62499840>;
> >> + status = "okay";
> >> +};
> >>
> >
>
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