Message ID | 20210117212713.8573-1-xypron.glpk@gmx.de |
---|---|
State | Accepted, archived |
Commit | 921d5477b971693892025a3b76feb3628a078b50 |
Delegated to: | Andes |
Headers | show |
Series | [1/1] cmd/riscv/sbi: support System Reset Extension | expand |
>-----Original Message----- >From: Heinrich Schuchardt <xypron.glpk@gmx.de> >Sent: 18 January 2021 02:57 >To: Rick Chen <rick@andestech.com> >Cc: Atish Patra <atish.patra@wdc.com>; Bin Meng <bin.meng@windriver.com>; >Pragnesh Patel <pragnesh.patel@openfive.com>; u-boot@lists.denx.de; Heinrich >Schuchardt <xypron.glpk@gmx.de> >Subject: [PATCH 1/1] cmd/riscv/sbi: support System Reset Extension > >[External Email] Do not click links or attachments unless you recognize the >sender and know the content is safe > >Let the sbi command detect the 'System Reset Extension' >(EID #0x53525354 "SRST"). > >Cf. https://github.com/riscv/riscv-sbi-doc > >Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> >--- > cmd/riscv/sbi.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Pragnesh Patel <pragnesh.patel@openfive.com>
On Sun, Jan 17, 2021 at 09:27:13PM +0000, Heinrich Schuchardt wrote: > Let the sbi command detect the 'System Reset Extension' > (EID #0x53525354 "SRST"). > > Cf. https://github.com/riscv/riscv-sbi-doc > > Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> > --- > cmd/riscv/sbi.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c > index e66fc8e41d..9897483eb6 100644 > --- a/cmd/riscv/sbi.c > +++ b/cmd/riscv/sbi.c > @@ -29,6 +29,7 @@ static struct sbi_ext extensions[] = { > { 0x00735049, "IPI Extension" }, > { 0x52464E43, "RFENCE Extension" }, > { 0x0048534D, "Hart State Management Extension" }, > + { 0x53525354, "System Reset Extension" }, > }; > > static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc, > -- > 2.28.0 > Reviewed-by: Leo Liang <ycliang@andestech.com>
On Mon, Jan 18, 2021 at 5:27 AM Heinrich Schuchardt <xypron.glpk@gmx.de> wrote: > > Let the sbi command detect the 'System Reset Extension' > (EID #0x53525354 "SRST"). > > Cf. https://github.com/riscv/riscv-sbi-doc > > Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> > --- > cmd/riscv/sbi.c | 1 + > 1 file changed, 1 insertion(+) > Reviewed-by: Bin Meng <bin.meng@windriver.com> We should also update the reset command to call into SBI when this extension is available. Regards, Bin
diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c index e66fc8e41d..9897483eb6 100644 --- a/cmd/riscv/sbi.c +++ b/cmd/riscv/sbi.c @@ -29,6 +29,7 @@ static struct sbi_ext extensions[] = { { 0x00735049, "IPI Extension" }, { 0x52464E43, "RFENCE Extension" }, { 0x0048534D, "Hart State Management Extension" }, + { 0x53525354, "System Reset Extension" }, }; static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
Let the sbi command detect the 'System Reset Extension' (EID #0x53525354 "SRST"). Cf. https://github.com/riscv/riscv-sbi-doc Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> --- cmd/riscv/sbi.c | 1 + 1 file changed, 1 insertion(+) -- 2.28.0