From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Mon, 9 May 2016 09:37:59 +0200 Subject: [U-Boot] [PATCH] imx: imx7d: fix ahb clock mux 1 In-Reply-To: <1462480965-5222-1-git-send-email-stefan@agner.ch> References: <1462480965-5222-1-git-send-email-stefan@agner.ch> Message-ID: <57303E57.2000301@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/05/2016 22:42, Stefan Agner wrote: > The clock parent of the AHB root clock when using mux option 1 > is the SYS PLL 270MHz clock. This is specified in Table 5-11 > Clock Root Table of the i.MX 7Dual Applications Processor > Reference Manual. > > While it could be a documentation error, the 270MHz parent is > also mentioned in the boot ROM configuration in Table 6-28: The > clock is by default at 135MHz due to a POST_PODF value of 1 > (=> divider of 2). > > Signed-off-by: Stefan Agner > --- > I sent a similar fix to the LKML which has been merged some days > ago: > https://lkml.org/lkml/2016/4/28/767 Thanks for porting this to U-Boot, too. > > -- > Stefan > > arch/arm/cpu/armv7/mx7/clock_slice.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/cpu/armv7/mx7/clock_slice.c b/arch/arm/cpu/armv7/mx7/clock_slice.c > index ad5d504..1665df9 100644 > --- a/arch/arm/cpu/armv7/mx7/clock_slice.c > +++ b/arch/arm/cpu/armv7/mx7/clock_slice.c > @@ -55,7 +55,7 @@ static struct clk_root_map root_array[] = { > PLL_ENET_MAIN_250M_CLK, PLL_AUDIO_MAIN_CLK} > }, > {AHB_CLK_ROOT, CCM_AHB_CHANNEL, > - {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_DRAM_MAIN_533M_CLK, > + {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, > PLL_SYS_PFD0_392M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK, > PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK} > }, > Applied to -next, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================