From: Vineet Gupta <vineetg76@gmail.com>
To: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>,
linux-snps-arc@lists.infradead.org
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC 6/6] ARC: merge HAPS-HS with nSIM-HS configs
Date: Fri, 18 Oct 2019 12:07:36 -0700 [thread overview]
Message-ID: <e5dc1e2b-94dc-6c0d-7e01-31cd952a56cf@gmail.com> (raw)
In-Reply-To: <20191018121545.8907-7-Eugeniy.Paltsev@synopsys.com>
On 10/18/19 5:15 AM, Eugeniy Paltsev wrote:
> Starting from nSIM 2019.06 is possible to use DW UART
> instead of ARC UART. That allows us to merge
> "nsim_hs" with "haps_hs" and "nsim_hs_smp" with "haps_hs_smp"
> mith minor changes which were done in previous commits.
>
> We eliminate nsim_hs_defconfig and nsim_hs_smp_defconfig
> and leave haps_hs_defconfig and haps_hs_smp_defconfig
> which can be used on HAPS / nSIM / ZEBU / QEMU platforms
> without additionall changes in Linux kernel.
>
> For nSIM we should now use UART property values
> "-prop=nsim_mem-dev=uart0,kind=dwuart,base=0xf0000000"
> instead of previously used
> "-prop=nsim_mem-dev=uart0,base=0xc0fc1000"
> "use_connect" and "irq" values of UART property remains untouched.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> ---
> arch/arc/boot/dts/nsim_hs.dts | 67 --------------------------
> arch/arc/boot/dts/nsim_hs_idu.dts | 65 -------------------------
> arch/arc/configs/nsim_hs_defconfig | 56 ---------------------
> arch/arc/configs/nsim_hs_smp_defconfig | 54 ---------------------
> arch/arc/plat-sim/platform.c | 1 -
You also need to update KBUILD_DEFCONFIG to use the haps defconfig now.
Also perhaps as an addon change switch nsim_700_defconfig to dwuart too for
consistent uart settings for all processor builds in kernel/nsim (otherwise you
need to document this disparity in various github wiki pages)
-Vineet
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next prev parent reply other threads:[~2019-10-18 19:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 12:15 [RFC 0/6] ARC: merge HAPS-HS with nSIM-HS configs Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 1/6] ARC: regenerate nSIM and HAPS defconfigs Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 2/6] ARC: HAPS: cleanup defconfigs from unused IO-related options Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 3/6] ARC: HAPS: use same UART configuration everywhere Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 4/6] ARC: HAPS: add HIGHMEM memory zone to DTS Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 5/6] ARC: HAPS: cleanup defconfigs from unused ETH drivers Eugeniy Paltsev
2019-10-18 12:15 ` [RFC 6/6] ARC: merge HAPS-HS with nSIM-HS configs Eugeniy Paltsev
2019-10-18 19:07 ` Vineet Gupta [this message]
2019-10-18 18:48 ` [RFC 0/6] " Vineet Gupta
2019-10-22 18:18 ` Eugeniy Paltsev
2019-10-22 18:24 ` Vineet Gupta
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