From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Wed, 20 Aug 2014 13:14:36 +0200 Subject: [U-Boot] [PATCH 1/2] mx6sx: Adjust enable_fec_anatop_clock() for mx6solox In-Reply-To: <1408073070-8957-2-git-send-email-festevam@gmail.com> References: <1408073070-8957-1-git-send-email-festevam@gmail.com> <1408073070-8957-2-git-send-email-festevam@gmail.com> Message-ID: <53F4831C.8090207@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 Hi Fabio, On 15/08/2014 05:24, Fabio Estevam wrote: > From: Fabio Estevam > > Configure and enable the ethernet clock for mx6solox. > > Signed-off-by: Fabio Estevam > --- > arch/arm/cpu/armv7/mx6/clock.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c > index abd9d61..820b8d5 100644 > --- a/arch/arm/cpu/armv7/mx6/clock.c > +++ b/arch/arm/cpu/armv7/mx6/clock.c > @@ -373,6 +373,27 @@ int enable_fec_anatop_clock(enum enet_freq freq) > reg &= ~BM_ANADIG_PLL_ENET_BYPASS; > writel(reg, &anatop->pll_enet); > > +#ifdef CONFIG_MX6SX > + /* > + * Set enet ahb clock to 200MHz > + * pll2_pfd2_396m-> ENET_PODF-> ENET_AHB > + */ > + reg = readl(&imx_ccm->chsccdr); > + reg &= ~(MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_MASK > + | MXC_CCM_CHSCCDR_ENET_PODF_MASK > + | MXC_CCM_CHSCCDR_ENET_CLK_SEL_MASK); > + /* PLL2 PFD2 */ > + reg |= (4 << MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_OFFSET); > + /* Div = 2*/ > + reg |= (1 << MXC_CCM_CHSCCDR_ENET_PODF_OFFSET); > + reg |= (0 << MXC_CCM_CHSCCDR_ENET_CLK_SEL_OFFSET); > + writel(reg, &imx_ccm->chsccdr); > + > + /* Enable enet system clock */ > + reg = readl(&imx_ccm->CCGR3); > + reg |= MXC_CCM_CCGR3_ENET_MASK; > + writel(reg, &imx_ccm->CCGR3); > +#endif > return 0; > } > #endif > Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel 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 =====================================================================