From: Anup Patel <anup@brainfault.org>
To: Troy Benjegerdes <troy.benjegerdes@sifive.com>
Cc: "Palmer Dabbelt" <palmer@sifive.com>,
"Björn Töpel" <bjorn.topel@gmail.com>,
"Anup Patel" <anup.patel@wdc.com>,
"Atish Patra" <atish.patra@wdc.com>,
"Lukas Auer" <lukas.auer@aisec.fraunhofer.de>,
"Paul Walmsley" <paul.walmsley@sifive.com>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>,
"Bin Meng" <bmeng.cn@gmail.com>
Subject: Re: 5.2-rc1 boot on Unleashed
Date: Sat, 25 May 2019 13:36:18 +0530 [thread overview]
Message-ID: <CAAhSdy0R6UgxhgrU9NZegmoigjqZmx6RwoGngPdmzrzaUUxpTA@mail.gmail.com> (raw)
In-Reply-To: <34F7A31E-17F9-4A3C-9F42-DE7837F899CE@sifive.com>
Hi Troy,
On Thu, May 23, 2019 at 3:45 AM Troy Benjegerdes
<troy.benjegerdes@sifive.com> wrote:
>
>
> > On May 22, 2019, at 3:43 PM, Paul Walmsley <paul.walmsley@sifive.com> wrote:
> >
> > + Anup, Troy
> >
> > On Wed, 22 May 2019, Atish Patra wrote:
> >
> >> On 5/22/19 9:42 AM, Paul Walmsley wrote:
> >>> Am checking on this now and hope to have some conclusion on it this week.
> >>
> >> Thanks. Any chance you can take a look at the U-Boot clock driver to patch it
> >> as per the DT changes ?
> >
> > I probably won't have the chance to get to it for a while. Looks like
> > Anup was the one who posted the clock driver to U-Boot - can he take a
> > look at it?
> >
> > We've also asked Troy to look at upstream U-boot related issues, but
> > I'm unsure when patches will start flowing upstream.
> >
> >
> > - Paul
>
> Once I figure out why I’m getting TX timeouts on the macb driver and have something working I can start upstreaming the u-boot patches.
>
> For now, the work-in-progress is at https://github.com/sifive/u-boot/tree/sandbox
Based on your commits in above GitRepo, it seems you are trying entire
U-Boot in M-mode.
Current boot-flow of S-mode U-Boot is:
ZSBL (M-mode) -> FSBL (M-mode) -> OpenSBI/BBL (M-mode) -> U-Boot (S-mode)
The U-Boot SPL can perfectly replace SiFive FSBL to have following
boot-flow:
ZSBL (M-mode) -> U-Boot SPL (M-mode) -> OpenSBI/BBL (M-mode) -> U-Boot (S-mode)
Can you explain advantages of using full U-Boot M-mode to replace
FSBL as compared to U-Boot SPL M-mode replacing FSBL ?
Regards,
Anup
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next prev parent reply other threads:[~2019-05-25 8:06 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 23:31 5.2-rc1 boot on Unleashed Atish Patra
2019-05-21 9:40 ` Andreas Schwab
2019-05-21 18:14 ` Atish Patra
2019-05-22 7:31 ` Andreas Schwab
2019-05-22 8:40 ` Andreas Schwab
2019-05-22 9:58 ` Andreas Schwab
2019-05-22 21:13 ` Paul Walmsley
2019-05-21 17:47 ` Kevin Hilman
2019-05-21 18:18 ` Atish Patra
2019-05-23 9:42 ` Andreas Schwab
2019-05-22 4:42 ` Sagar Kadam
2019-05-22 9:51 ` Atish Patra
2019-05-22 16:42 ` Paul Walmsley
2019-05-22 17:38 ` Atish Patra
2019-05-22 20:43 ` Paul Walmsley
2019-05-22 22:14 ` Troy Benjegerdes
2019-05-25 8:06 ` Anup Patel [this message]
2019-05-25 14:16 ` Troy Benjegerdes
2019-05-29 5:00 ` Anup Patel
2019-05-29 8:31 ` Andreas Schwab
2019-05-29 17:38 ` Troy Benjegerdes
2019-05-29 18:59 ` Karsten Merker
2019-05-30 17:00 ` Palmer Dabbelt
2019-06-03 10:49 ` Andreas Schwab
2019-06-03 14:44 ` Distro bootcmd: " Troy Benjegerdes
2019-06-03 17:02 ` [U-Boot] " Tom Rini
2019-06-03 19:17 ` Palmer Dabbelt
2019-06-03 19:32 ` Tom Rini
2019-06-03 19:47 ` Troy Benjegerdes
2019-05-24 0:23 ` Troy Benjegerdes
2019-05-24 3:59 ` Atish Patra
2019-05-24 14:46 ` Troy Benjegerdes
2019-05-24 15:35 ` Auer, Lukas
2019-05-24 16:01 ` Troy Benjegerdes
2019-05-24 17:40 ` Atish Patra
[not found] ` <CAF5mof3_PSwpsSMnjMALpfvmOPdeAgDLa2p6jp4y+Hmas83mbw@mail.gmail.com>
2019-05-24 21:34 ` Auer, Lukas
2019-05-25 3:49 ` Anup Patel
2019-05-25 16:23 ` Troy Benjegerdes
2019-05-25 18:09 ` Paul Walmsley
2019-05-25 18:40 ` Troy Benjegerdes
2019-05-27 12:21 ` Andreas Schwab
2019-05-27 16:51 ` Troy Benjegerdes
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