| Message ID | 20220513072939.16814-1-dinesh.maniyam@intel.com |
|---|---|
| State | Deferred |
| Delegated to: | Tom Rini |
| Headers | show |
| Series | [v2] arm: socfpga: soc64: To notify SDM when U-Boot pass control to Linux | expand |
> -----Original Message----- > From: Maniyam, Dinesh <dinesh.maniyam@intel.com> > Sent: Friday, 13 May 2022 3:30 pm > To: u-boot@lists.denx.de > Cc: Vasut, Marek <marex@denx.de>; Simon Goldschmidt > <simon.k.r.goldschmidt@gmail.com>; Chee, Tien Fong > <tien.fong.chee@intel.com>; Hea, Kok Kiang <kok.kiang.hea@intel.com>; Gan, > Yau Wai <yau.wai.gan@intel.com>; Kho, Sin Hui <sin.hui.kho@intel.com>; > Lokanathan, Raaj <raaj.lokanathan@intel.com>; Maniyam, Dinesh > <dinesh.maniyam@intel.com> > Subject: [PATCH v2] arm: socfpga: soc64: To notify SDM when U-Boot pass > control to Linux > > From: Dinesh Maniyam <dinesh.maniyam@intel.com> > > Prior U-Boot pass control to Linux, U-Boot will send a mailbox command > "HPS_STAGE_NOTIFY" to notify Secure Device Manager (SDM) on HPS SW > transition. > > Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com> > > --- > > v1->v2 > Add space in title > --- > arch/arm/mach-socfpga/misc_soc64.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/mach-socfpga/misc_soc64.c b/arch/arm/mach- > socfpga/misc_soc64.c > index 2acdfad07b..3148eb46a5 100644 > --- a/arch/arm/mach-socfpga/misc_soc64.c > +++ b/arch/arm/mach-socfpga/misc_soc64.c > @@ -89,3 +89,8 @@ void do_bridge_reset(int enable, unsigned int mask) > > socfpga_bridges_reset(enable); > } > + > +void arch_preboot_os(void) > +{ > + mbox_hps_stage_notify(HPS_EXECUTION_STATE_OS); > +} > \ No newline at end of file > -- > 2.26.2 I will need to rework this patch. I will re-submit the next version of the patch. Regards Dinesh
diff --git a/arch/arm/mach-socfpga/misc_soc64.c b/arch/arm/mach-socfpga/misc_soc64.c index 2acdfad07b..3148eb46a5 100644 --- a/arch/arm/mach-socfpga/misc_soc64.c +++ b/arch/arm/mach-socfpga/misc_soc64.c @@ -89,3 +89,8 @@ void do_bridge_reset(int enable, unsigned int mask) socfpga_bridges_reset(enable); } + +void arch_preboot_os(void) +{ + mbox_hps_stage_notify(HPS_EXECUTION_STATE_OS); +} \ No newline at end of file