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Message-ID: <20151015222208.GU32089@broadcom.com>
Date: Thu, 15 Oct 2015 18:22:09 -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 11:32:27PM +0200, Hauke Mehrtens wrote:
> On 10/15/2015 11:25 PM, Jon Mason wrote:
> > 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).
>
> It uses brcm,nand-iproc, but this driver also needs some information
> about the nand chip connected to that controller, most board vendors are
> using NAND chips with the same settings and we put these settings to
> bcm5301x-nand-cs0-bch8.dtsi.
If it is alright with you, I'll investigate, add, and test this after
these initial changes get it.
Thanks,
Jon
>
> Hauke
>
> >
> > 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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