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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Andrew Jeffery <andrew@aj.id.au>, qemu-arm@nongnu.org
Cc: peter.maydell@linaro.org, joel@jms.id.au, qemu-devel@nongnu.org,
	clg@kaod.org
Subject: Re: [PATCH v2 0/4] Expose GT CNTFRQ as a CPU property to support AST2600
Date: Tue, 3 Dec 2019 07:05:38 +0100	[thread overview]
Message-ID: <6540201e-b8dc-753b-cdaf-5d7da8716714@redhat.com> (raw)
In-Reply-To: <20191203041440.6275-1-andrew@aj.id.au>

On 12/3/19 5:14 AM, Andrew Jeffery wrote:
> Hello,
> 
> This is a v2 of the belated follow-up from a few of my earlier attempts to fix
> up the ARM generic timer for correct behaviour on the ASPEED AST2600 SoC. The
> AST2600 clocks the generic timer at the rate of HPLL, which is configured to
> 1125MHz.  This is significantly quicker than the currently hard-coded generic
> timer rate of 62.5MHz and so we see "sticky" behaviour in the guest.

Glad you fixed this! I hit the same problem with the Raspi4.



      parent reply	other threads:[~2019-12-03  6:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03  4:14 [PATCH v2 0/4] Expose GT CNTFRQ as a CPU property to support AST2600 Andrew Jeffery
2019-12-03  4:14 ` [PATCH v2 1/4] target/arm: Remove redundant scaling of nexttick Andrew Jeffery
2019-12-03  4:14 ` [PATCH v2 2/4] target/arm: Abstract the generic timer frequency Andrew Jeffery
2019-12-03  6:09   ` Philippe Mathieu-Daudé
2019-12-03 12:48     ` Andrew Jeffery
2019-12-03 17:27       ` Philippe Mathieu-Daudé
2019-12-05  5:04         ` Andrew Jeffery
2019-12-03  4:14 ` [PATCH v2 3/4] target/arm: Prepare generic timer for per-platform CNTFRQ Andrew Jeffery
2019-12-03  6:19   ` Philippe Mathieu-Daudé
2019-12-03 12:59     ` Andrew Jeffery
2019-12-03  4:14 ` [PATCH v2 4/4] ast2600: Configure CNTFRQ at 1125MHz Andrew Jeffery
2019-12-03  6:20   ` Philippe Mathieu-Daudé
2019-12-03  6:05 ` Philippe Mathieu-Daudé [this message]

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