On Monday 16 January 2017 04:09 AM, Lukasz Majewski wrote:
> With this code only 19.2 HMz SYSCLK (input) frequency is supported on
> dra7xx based SoCs.
This wold be breaking dra74x-evm which has 20MHz sysclk.
May I know what is intention for configuring PCIE dpll in u-boot?(you
want to use PCIE at u-boot or for kernel to depend on this configuration?)
Thanks and regards,
Lokesh
>
> Signed-off-by: Lukasz Majewski <lu...@denx.de>
> ---
> arch/arm/cpu/armv7/omap5/hw_data.c | 12 ++++++++++++
> arch/arm/include/asm/omap_common.h | 1 +
> 2 files changed, 13 insertions(+)
>
> diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c
> b/arch/arm/cpu/armv7/omap5/hw_data.c
> index 2192090..e16bd2c 100644
> --- a/arch/arm/cpu/armv7/omap5/hw_data.c
> +++ b/arch/arm/cpu/armv7/omap5/hw_data.c
> @@ -257,6 +257,17 @@ static const struct dpll_params
> gmac_dpll_params_2000mhz[NUM_SYS_CLKS] = {
> {625, 23, 4, 10, 40, 8, 10, -1, -1, -1, -1, -1}, /* 38.4 MHz */
> };
>
> +static const struct dpll_params pcie_dpll_params_1500mhz[NUM_SYS_CLKS] = {
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
> + {625, 7, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
> + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */
> +};
> +
> +
> struct dplls omap5_dplls_es1 = {
> .mpu = mpu_dpll_params_800mhz,
> .core = core_dpll_params_2128mhz_ddr532,
> @@ -294,6 +305,7 @@ struct dplls dra7xx_dplls = {
> .usb = usb_dpll_params_1920mhz,
> .ddr = ddr_dpll_params_2128mhz,
> .gmac = gmac_dpll_params_2000mhz,
> + .pcie = pcie_dpll_params_1500mhz,
> };
>
> struct dplls dra72x_dplls = {
> diff --git a/arch/arm/include/asm/omap_common.h
> b/arch/arm/include/asm/omap_common.h
> index 605c549..cc40ee9 100644
> --- a/arch/arm/include/asm/omap_common.h
> +++ b/arch/arm/include/asm/omap_common.h
> @@ -526,6 +526,7 @@ struct dplls {
> const struct dpll_params *usb;
> const struct dpll_params *ddr;
> const struct dpll_params *gmac;
> + const struct dpll_params *pcie;
> };
>
> struct pmic_data {
>
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