public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/6] arm: socfpga: Add socfpga_spim_enable() to reset_manager.c
Date: Sun, 16 Nov 2014 11:47:31 +0100	[thread overview]
Message-ID: <546880C3.7040206@denx.de> (raw)
In-Reply-To: <20141112174227.GB30963@amd>

On 12.11.2014 18:42, Pavel Machek wrote:
> On Fri 2014-11-07 13:50:30, Stefan Roese wrote:
>> This function will be needed by the upcoming Designware master SPI
>> driver. As the SPI master controller is held in reset by the current
>> Preloader implementation. So we need to release the reset for the
>> driver to communicate with the controller.
>>
>> This function is called from arch_early_init_r() if the SPI
>> driver is enabled.
>>
>>   	}
>>   }
>> +
>> +/* SPI Master enable (its held in reset by the preloader) */
>> +void socfpga_spim_enable(void)
>> +{
>> +	const void *reset = &reset_manager_base->per_mod_reset;
>> +
>> +	clrbits_le32(reset, 1 << RSTMGR_PERMODRST_SPIM0_LSB);
>> +	clrbits_le32(reset, 1 << RSTMGR_PERMODRST_SPIM1_LSB);
>
> Actually, you can do this with one clrbits, right?

Yes, will send a follow-up patch for this.

Thanks,
Stefan

  reply	other threads:[~2014-11-16 10:47 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-07 12:50 [U-Boot] [PATCH 0/6] arm: socfpga: Add Designware SPI support Stefan Roese
2014-11-07 12:50 ` [U-Boot] [PATCH 1/6] arm: socfpga: Add DW master SPI clock to clock_manager.c Stefan Roese
2014-11-07 15:08   ` Marek Vasut
2014-11-12 17:41   ` Pavel Machek
2014-11-07 12:50 ` [U-Boot] [PATCH 2/6] arm: socfpga: Add socfpga_spim_enable() to reset_manager.c Stefan Roese
2014-11-12 17:42   ` Pavel Machek
2014-11-16 10:47     ` Stefan Roese [this message]
2014-11-07 12:50 ` [U-Boot] [PATCH 3/6] spi: Add designware master SPI DM driver used on SoCFPGA Stefan Roese
2014-11-07 15:12   ` Marek Vasut
2014-11-07 18:01   ` Simon Glass
2014-11-12 17:51   ` Pavel Machek
2014-11-14 20:16     ` Marek Vasut
2014-11-15 13:33       ` Stefan Roese
2014-11-15 14:40         ` Marek Vasut
2014-11-07 12:50 ` [U-Boot] [PATCH 4/6] arm: socfpga: dts: Add spi0/1 dts nodes for the Designware master SPI devices Stefan Roese
2014-11-12 17:52   ` Pavel Machek
2014-11-07 12:50 ` [U-Boot] [PATCH 5/6] arm: socfpga: dts: socrates: Add spi1/2 aliases needed DM SPI probing Stefan Roese
2014-11-12 17:52   ` Pavel Machek
2014-11-07 12:50 ` [U-Boot] [PATCH 6/6] arm: socfpga: Add Designware (DW) SPI support to config header Stefan Roese
2014-11-12 17:53   ` Pavel Machek
2014-11-14 20:18     ` Marek Vasut
2014-11-15 13:35       ` Stefan Roese
2014-11-15 14:40         ` Marek Vasut

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=546880C3.7040206@denx.de \
    --to=sr@denx.de \
    --cc=u-boot@lists.denx.de \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox