[U-Boot] [PATCH] armv8: ls1046aqds: update IFC NOR timings

[York Sun]

On 11/29/2017 07:02 PM, Wenbin Song wrote:
> Update IFC NOR timings to fix that the NOR flash can not
> be erased with V4 FPGA image on ls1046aqds.
> 
> Signed-off-by: Wenbin Song <wenbin.song at nxp.com>
> ---
>  include/configs/ls1046aqds.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/configs/ls1046aqds.h b/include/configs/ls1046aqds.h
> index df70bd398f..b619dc7939 100644
> --- a/include/configs/ls1046aqds.h
> +++ b/include/configs/ls1046aqds.h
> @@ -194,10 +194,10 @@ unsigned long get_board_ddr_clk(void);
>  #define CONFIG_SYS_NOR_FTIM1		(FTIM1_NOR_TACO(0x35) | \
>  					FTIM1_NOR_TRAD_NOR(0x1a) | \
>  					FTIM1_NOR_TSEQRAD_NOR(0x13))
> -#define CONFIG_SYS_NOR_FTIM2		(FTIM2_NOR_TCS(0x4) | \
> -					FTIM2_NOR_TCH(0x4) | \
> +#define CONFIG_SYS_NOR_FTIM2		(FTIM2_NOR_TCS(0x8) | \
> +					FTIM2_NOR_TCH(0x8) | \
>  					FTIM2_NOR_TWPH(0xe) | \
> -					FTIM2_NOR_TWP(0x1c))
> +					FTIM2_NOR_TWP(0x38))

Wenbin,

You slow it down a lot. Did you actually calculate the timing? Can you
post the numbers? This will impact on NOR flash performance.

York