All of lore.kernel.org
 help / color / mirror / Atom feed
From: Alexandre IOOSS <erdnaxe@crans.org>
To: Peter Maydell <peter.maydell@linaro.org>,
	qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: Damien Hedde <damien.hedde@greensocs.com>,
	Alistair Francis <alistair@alistair23.me>,
	Luc Michel <luc@lmichel.fr>, Joel Stanley <joel@jms.id.au>,
	Subbaraya Sundeep <sundeep.lkml@gmail.com>
Subject: Re: [PATCH for-6.2 11/25] hw/arm/stm32f100: Wire up sysclk and refclk
Date: Sat, 14 Aug 2021 11:01:00 +0200	[thread overview]
Message-ID: <e7a42824-89d9-75f1-7c72-a97df8b52615@crans.org> (raw)
In-Reply-To: <20210812093356.1946-12-peter.maydell@linaro.org>


[-- Attachment #1.1: Type: text/plain, Size: 833 bytes --]


On 8/12/21 11:33 AM, Peter Maydell wrote:
> Wire up the sysclk and refclk for the stm32f100 SoC.  This SoC always
> runs the systick refclk at 1/8 the frequency of the main CPU clock,
> so the board code only needs to provide a single sysclk clock.
> 
> Because there is only one board using this SoC, we convert the SoC
> and the board together, rather than splitting it into "add clock to
> SoC; connect clock in board; add error check in SoC code that clock
> is wired up".
> 
> When the systick device starts honouring its clock inputs, this will
> fix an emulation inaccuracy in the stm32vldiscovery board where the
> systick reference clock was running at 1MHz rather than 3MHz.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>

-- Alexandre


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 840 bytes --]

  parent reply	other threads:[~2021-08-14  9:02 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12  9:33 [PATCH for-6.2 00/25] arm: Get rid of system_clock_scale global Peter Maydell
2021-08-12  9:33 ` [PATCH for-6.2 01/25] arm: Move M-profile RAS register block into its own device Peter Maydell
2021-08-12 11:08   ` Alexandre IOOSS
2021-08-12 11:09     ` Peter Maydell
2021-08-13  0:59   ` Alistair Francis
2021-08-15 17:30   ` Philippe Mathieu-Daudé
2021-08-16  7:28     ` David Hildenbrand
2021-08-16  9:16     ` Peter Maydell
2021-08-17  8:25   ` Luc Michel
2021-08-17 10:10     ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 02/25] arm: Move systick device creation from NVIC to ARMv7M object Peter Maydell
2021-08-13  1:23   ` Alistair Francis
2021-08-17  9:24   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 03/25] arm: Move system PPB container handling to armv7m Peter Maydell
2021-08-12 11:56   ` Alexandre IOOSS
2021-08-17  9:25   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 04/25] hw/timer/armv7m_systick: Add usual QEMU interface comment Peter Maydell
2021-08-13  1:26   ` Alistair Francis
2021-08-17  9:29   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 05/25] hw/timer/armv7m_systick: Add input clocks Peter Maydell
2021-08-13  1:27   ` Alistair Francis
2021-08-17  9:32   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 06/25] hw/arm/armv7m: Create " Peter Maydell
2021-08-13  1:28   ` Alistair Francis
2021-08-17  9:34   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 07/25] armsse: Wire up systick cpuclk clock Peter Maydell
2021-08-13  1:29   ` Alistair Francis
2021-08-17  9:36   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 08/25] hw/arm/mps2.c: Connect up armv7m clocks Peter Maydell
2021-08-17  9:39   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 09/25] clock: Provide builtin multiplier/divider Peter Maydell
2021-08-12 12:08   ` Alexandre IOOSS
2021-08-12 12:22     ` Peter Maydell
2021-08-13  1:33   ` Alistair Francis
2021-08-15 16:32   ` Philippe Mathieu-Daudé
2021-08-16  9:05     ` Peter Maydell
2021-08-16  9:32       ` Philippe Mathieu-Daudé
2021-08-16  9:36         ` Peter Maydell
2021-08-16  9:58           ` Philippe Mathieu-Daudé
2021-08-15 21:27   ` Luc Michel
2021-08-17  9:59   ` Damien Hedde
2021-08-17 10:46     ` Peter Maydell
2021-08-17 14:58       ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 10/25] hw/arm: Don't allocate separate MemoryRegions in stm32 SoC realize Peter Maydell
2021-08-12 12:13   ` Alexandre IOOSS
2021-08-12 12:27     ` Peter Maydell
2021-08-15 16:37       ` Philippe Mathieu-Daudé
2021-08-13  1:34   ` Alistair Francis
2021-08-17  9:41   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 11/25] hw/arm/stm32f100: Wire up sysclk and refclk Peter Maydell
2021-08-13  1:36   ` Alistair Francis
2021-08-14  9:01   ` Alexandre IOOSS [this message]
2021-08-17  9:45   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 12/25] hw/arm/stm32f205: " Peter Maydell
2021-08-13  1:38   ` Alistair Francis
2021-08-14  9:02   ` Alexandre IOOSS
2021-08-17  9:47   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 13/25] hw/arm/stm32f405: " Peter Maydell
2021-08-13  1:37   ` Alistair Francis
2021-08-14  9:03   ` Alexandre IOOSS
2021-08-17  9:47   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 14/25] hw/arm/stm32vldiscovery: Delete trailing blank line Peter Maydell
2021-08-12 12:27   ` Alexandre IOOSS
2021-08-13  1:39   ` Alistair Francis
2021-08-17  9:48   ` Luc Michel
2021-08-12  9:33 ` [PATCH for-6.2 15/25] hw/arm/nrf51: Wire up sysclk Peter Maydell
2021-08-14  9:06   ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 16/25] hw/arm/stellaris: split stellaris_sys_init() Peter Maydell
2021-08-14  9:10   ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 17/25] hw/arm/stellaris: Wire sysclk up to armv7m Peter Maydell
2021-08-14  9:12   ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 18/25] hw/arm/msf2_soc: Don't allocate separate MemoryRegions Peter Maydell
2021-08-14  9:13   ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 19/25] hw/arm/msf2: Use Clock input to MSF2_SOC instead of m3clk property Peter Maydell
2021-08-14  9:20   ` Alexandre IOOSS
2021-08-14 10:11     ` Peter Maydell
2021-08-14 10:47       ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 20/25] hw/arm/msf2-soc: Wire up refclk Peter Maydell
2021-08-17 15:05   ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 21/25] hw/timer/armv7m_systick: Use clock inputs instead of system_clock_scale Peter Maydell
2021-08-17 15:55   ` Damien Hedde
2021-08-17 15:59     ` Peter Maydell
2021-08-17 16:14       ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 22/25] hw/arm/stellaris: Fix code style issues in GPTM code Peter Maydell
2021-08-14  9:26   ` Alexandre IOOSS
2021-08-12  9:33 ` [PATCH for-6.2 23/25] hw/arm/stellaris: Split stellaris-gptm into its own file Peter Maydell
2021-08-17 15:59   ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 24/25] hw/timer/stellaris-gptm: Use Clock input instead of system_clock_scale Peter Maydell
2021-08-18 12:03   ` Damien Hedde
2021-08-12  9:33 ` [PATCH for-6.2 25/25] arm: Remove system_clock_scale global Peter Maydell
2021-08-13  5:08   ` Alistair Francis

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=e7a42824-89d9-75f1-7c72-a97df8b52615@crans.org \
    --to=erdnaxe@crans.org \
    --cc=alistair@alistair23.me \
    --cc=damien.hedde@greensocs.com \
    --cc=joel@jms.id.au \
    --cc=luc@lmichel.fr \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-arm@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=sundeep.lkml@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.