út 6. 9. 2022 v 12:40 odesílatel Michal Simek <[email protected]> napsal: > > Code supports board detection based on information available in EEPROM in > legacy or FRU format. But this is not enough for emulation and simulation > systems which are lacking these identification EEPROMs. But SOC itself has > normally registers for SOC identification. Based on them it is possible to > compose detected name. That's why prepare infrastructure in common location > for SOC platform detection which is called before board platform detection. > SOC platform detection shouldn't detect real silicon and should fallback to > current existing mechanism to identify boards based on EEPROMs. > > Signed-off-by: Michal Simek <[email protected]> > --- > > board/xilinx/common/board.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c > index 5e3638636123..e1f71049603f 100644 > --- a/board/xilinx/common/board.c > +++ b/board/xilinx/common/board.c > @@ -585,8 +585,33 @@ bool __maybe_unused __weak board_detection(void) > return false; > } > > +bool __maybe_unused __weak soc_detection(void) > +{ > + return false; > +} > + > +char * __maybe_unused __weak soc_name_decode(void) > +{ > + return NULL; > +} > + > int embedded_dtb_select(void) > { > + if (soc_detection()) { > + char *soc_local_name; > + > + soc_local_name = soc_name_decode(); > + if (soc_local_name) { > + board_name = soc_local_name; > + printf("Detected SOC name: %s\n", board_name); > + > + /* Time to change DTB on fly */ > + /* Both ways should work here */ > + /* fdtdec_resetup(&rescan); */ > + return fdtdec_setup(); > + } > + } > + > if (board_detection()) { > char *board_local_name; > > -- > 2.36.1 >
Applied. M -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
