From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@denx.de>
Date: Wed, 12 Nov 2014 18:42:27 +0100
Subject: [U-Boot] [PATCH 2/6] arm: socfpga: Add socfpga_spim_enable() to
 reset_manager.c
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References: <1415364634-8290-1-git-send-email-sr@denx.de>
	<1415364634-8290-3-git-send-email-sr@denx.de>
Message-ID: <20141112174227.GB30963@amd>
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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?

									Pavel
-- 
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