From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aknkv-0004OI-E1 for barebox@lists.infradead.org; Tue, 29 Mar 2016 07:08:02 +0000 Date: Tue, 29 Mar 2016 09:07:37 +0200 From: Sascha Hauer Message-ID: <20160329070737.GB30994@pengutronix.de> References: <1458546476-20624-1-git-send-email-alexander.stein@systec-electronic.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1458546476-20624-1-git-send-email-alexander.stein@systec-electronic.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 1/1] ARM i.MX35: Read reset source from CCM To: Alexander Stein Cc: barebox@lists.infradead.org On Mon, Mar 21, 2016 at 08:47:56AM +0100, Alexander Stein wrote: > CCM has reset status bits with more detailed information than the > watchdog. Set reset source with higher priority. > > Signed-off-by: Alexander Stein > --- > arch/arm/mach-imx/clk-imx35.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) Applied, thanks Sascha > > diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c > index 2433d73..af6c405 100644 > --- a/arch/arm/mach-imx/clk-imx35.c > +++ b/arch/arm/mach-imx/clk-imx35.c > @@ -14,6 +14,7 @@ > #include > #include > #include > +#include > > #include "clk.h" > > @@ -95,12 +96,31 @@ static int imx35_ccm_probe(struct device_d *dev) > struct arm_ahb_div *aad; > unsigned char *hsp_div; > void __iomem *base; > + u32 reg; > > iores = dev_request_mem_resource(dev, 0); > if (IS_ERR(iores)) > return PTR_ERR(iores); > base = IOMEM(iores->start); > > + /* Check reset source */ > + reg = readl(base + CCM_RCSR); > + > + switch (reg & 0x0F) { > + case 0x00: > + reset_source_set_priority(RESET_POR, 200); > + break; > + case 0x02: > + reset_source_set_priority(RESET_JTAG, 200); > + break; > + case 0x04: > + reset_source_set_priority(RESET_RST, 200); > + break; > + case 0x08: > + reset_source_set_priority(RESET_WDG, 200); > + break; > + } > + > writel(0xffffffff, base + CCM_CGR0); > writel(0xffffffff, base + CCM_CGR1); > writel(0xfbffffff, base + CCM_CGR2); > -- > 2.7.3 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox