[U-Boot] [PATCH 2/2] armv8/ls1043aqds: use configuarable clock for non-QSPI boot

[york sun]

On 03/14/2016 03:06 AM, Gong Qianyu wrote:
> For QSPI boot and SD boot with QSPI, we could only read from FPGA
> through I2C to get the system clock and DDR clock info. However in
> U-Boot booting flow, I2C is not initialized when get_clocks() is
> called and thus it couldn't get correct value of the clocks.
> So the configuarable clock is only supported by non-QSPI boot.
> 
> Signed-off-by: Gong Qianyu <Qianyu.Gong at nxp.com>
> ---
>  include/configs/ls1043aqds.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/configs/ls1043aqds.h b/include/configs/ls1043aqds.h
> index 158cf02..93671f0 100644
> --- a/include/configs/ls1043aqds.h
> +++ b/include/configs/ls1043aqds.h
> @@ -29,8 +29,13 @@ unsigned long get_board_sys_clk(void);
>  unsigned long get_board_ddr_clk(void);
>  #endif
>  
> +#if defined(CONFIG_QSPI_BOOT) || (CONFIG_SD_BOOT_QSPI)
>  #define CONFIG_SYS_CLK_FREQ		100000000
>  #define CONFIG_DDR_CLK_FREQ		100000000
> +#else
> +#define CONFIG_SYS_CLK_FREQ		get_board_sys_clk()
> +#define CONFIG_DDR_CLK_FREQ		get_board_ddr_clk()
> +#endif
>  
>  #define CONFIG_SKIP_LOWLEVEL_INIT
>  
> 
Qianyu,

Please work with Yuan Yao on qixis access. We may have a solution to get the
clocks on QSPI boot.

York