[U-Boot] [PATCH 1/2] mx6sx: Adjust enable_fec_anatop_clock() for mx6solox
Stefano Babic
sbabic at denx.de
Wed Aug 20 13:14:36 CEST 2014
Hi Fabio,
On 15/08/2014 05:24, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam at freescale.com>
>
> Configure and enable the ethernet clock for mx6solox.
>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
> 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
=====================================================================
More information about the U-Boot
mailing list