[v6 10/18] net: designware: socfpga: Add ATF support for MAC driver

[Tan, Ley Foon]

> -----Original Message-----
> From: Lim, Elly Siew Chin <elly.siew.chin.lim at intel.com>
> Sent: Wednesday, December 23, 2020 10:56 PM
> To: u-boot at lists.denx.de
> Cc: Marek Vasut <marex at denx.de>; Tan, Ley Foon
> <ley.foon.tan at intel.com>; See, Chin Liang <chin.liang.see at intel.com>;
> Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>; Chee, Tien Fong
> <tien.fong.chee at intel.com>; Westergreen, Dalon
> <dalon.westergreen at intel.com>; Simon Glass <sjg at chromium.org>; Gan,
> Yau Wai <yau.wai.gan at intel.com>; Ang, Chee Hong
> <chee.hong.ang at intel.com>; Lim, Elly Siew Chin
> <elly.siew.chin.lim at intel.com>
> Subject: [v6 10/18] net: designware: socfpga: Add ATF support for MAC
> driver
> 
> From: Chee Hong Ang <chee.hong.ang at intel.com>
> 
> In non-secure mode (EL2), MAC driver calls the SMC/PSCI services provided
> by ATF to setup the PHY interface.
> 
> Signed-off-by: Chee Hong Ang <chee.hong.ang at intel.com>
> Signed-off-by: Siew Chin Lim <elly.siew.chin.lim at intel.com>
> 
> ---
> v5
> ---
> Call secure register access helper function to write the secure register.
> Return error if fail to write the PHY related secure register.
> 
> ---
> v6
> ---
> Clean up the code and use socfpga_secure_reg_update32 to update PHY
> related secure registers.

Reviewed-by: Ley Foon Tan <ley.foon.tan at intel.com>