[U-Boot] [PATCH 1/4] mx6: clock: Allow enable_ipu_clock() to be built for SPL code

Peng Fan peng.fan at nxp.com
Tue Jul 16 02:07:04 UTC 2019


> Subject: [PATCH 1/4] mx6: clock: Allow enable_ipu_clock() to be built for SPL
> code
> 
> Allow enable_ipu_clock() to be built for SPL code. This is done in preparation
> for configuring the NoC registers on i.MX6QP in SPL.
> 
> Signed-off-by: Fabio Estevam <festevam at gmail.com>
> ---
>  arch/arm/mach-imx/mx6/clock.c | 32 ++++++++++++++++----------------
>  1 file changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/mx6/clock.c
> b/arch/arm/mach-imx/mx6/clock.c index 366a4e3c6b..5af1ae7cf3 100644
> --- a/arch/arm/mach-imx/mx6/clock.c
> +++ b/arch/arm/mach-imx/mx6/clock.c
> @@ -1275,6 +1275,22 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
>  	return 0;
>  }
> 
> +#ifndef CONFIG_MX6SX
> +void enable_ipu_clock(void)
> +{
> +	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg
> *)CCM_BASE_ADDR;
> +	int reg;
> +	reg = readl(&mxc_ccm->CCGR3);
> +	reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
> +	writel(reg, &mxc_ccm->CCGR3);
> +
> +	if (is_mx6dqp()) {
> +		setbits_le32(&mxc_ccm->CCGR6,
> MXC_CCM_CCGR6_PRG_CLK0_MASK);
> +		setbits_le32(&mxc_ccm->CCGR3,
> MXC_CCM_CCGR3_IPU2_IPU_MASK);
> +	}
> +}
> +#endif
> +
>  #ifndef CONFIG_SPL_BUILD
>  /*
>   * Dump some core clockes.
> @@ -1311,22 +1327,6 @@ int do_mx6_showclocks(cmd_tbl_t *cmdtp, int
> flag, int argc, char * const argv[])
>  	return 0;
>  }
> 
> -#ifndef CONFIG_MX6SX
> -void enable_ipu_clock(void)
> -{
> -	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg
> *)CCM_BASE_ADDR;
> -	int reg;
> -	reg = readl(&mxc_ccm->CCGR3);
> -	reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
> -	writel(reg, &mxc_ccm->CCGR3);
> -
> -	if (is_mx6dqp()) {
> -		setbits_le32(&mxc_ccm->CCGR6,
> MXC_CCM_CCGR6_PRG_CLK0_MASK);
> -		setbits_le32(&mxc_ccm->CCGR3,
> MXC_CCM_CCGR3_IPU2_IPU_MASK);
> -	}
> -}
> -#endif
> -
>  #if defined(CONFIG_MX6Q) || defined(CONFIG_MX6D) ||
> defined(CONFIG_MX6DL) || \
>  	defined(CONFIG_MX6S)
>  static void disable_ldb_di_clock_sources(void)

Reviewed-by: Peng Fan <peng.fan at nxp.com>

> --
> 2.17.1



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