From: Moritz Fischer <mdf@kernel.org>
To: Richard Gong <richard.gong@linux.intel.com>
Cc: Moritz Fischer <mdf@kernel.org>,
gregkh@linuxfoundation.org, trix@redhat.com,
linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org,
dinguyen@kernel.org, sridhar.rajagopal@intel.com,
richard.gong@intel.com
Subject: Re: [PATCHv2 1/5] firmware: stratix10-svc: add COMMAND_AUTHENTICATE_BITSTREAM flag
Date: Tue, 1 Dec 2020 11:19:16 -0800 [thread overview]
Message-ID: <X8aXNKNIPl+piFO+@archbook> (raw)
In-Reply-To: <e67a2abe-2c97-fe1c-9dc7-100b8a20381b@linux.intel.com>
Hi Richard,
On Tue, Dec 01, 2020 at 01:30:16PM -0600, Richard Gong wrote:
> > Can U-Boot determine whether it's the new or old flow? Can you set a
> > different compatible value in your device-tree, to disambiguate
> > behaviors?
> >
>
> The boot flow is determined by defconfig during compilation, which means
> each boot flow will have its own defconfig.
>
> SDM firmware loads SPL into OCRAM, then SPL will load the apporiate ATF or
> U-boot into the DRAM according to the setting of CONFIG_SPL_ATF. If
> CONFIG_SPL_ATF=y, SPL loads ATF and then jumps to ATF. ATF setups EL3
> environment and initialize the PSCI services.
>
> CONFIG_SPL_ATF is not set for the old boot flow.
So you know at (U-Boot) build time? Can you just pass a different DT to
the kernel in that case?
- Moritz
next prev parent reply other threads:[~2020-12-01 19:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 14:29 [PATCHv2 0/5] Extend Intel service layer, FPGA manager and region richard.gong
2020-11-18 14:29 ` [PATCHv2 1/5] firmware: stratix10-svc: add COMMAND_AUTHENTICATE_BITSTREAM flag richard.gong
2020-11-18 15:30 ` Moritz Fischer
2020-11-18 18:16 ` Richard Gong
2020-11-22 1:10 ` Moritz Fischer
2020-11-30 18:55 ` Richard Gong
2020-12-01 4:31 ` Moritz Fischer
2020-12-01 19:30 ` Richard Gong
2020-12-01 19:19 ` Moritz Fischer [this message]
2020-12-01 20:52 ` Richard Gong
2020-11-18 14:29 ` [PATCHv2 2/5] fpga: fpga-mgr: add FPGA_MGR_BITSTREM_AUTHENTICATION flag richard.gong
2020-11-18 14:29 ` [PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property richard.gong
2020-11-18 14:29 ` [PATCHv2 4/5] dt-bindings: fpga: " richard.gong
2020-11-18 14:29 ` [PATCHv2 5/5] fpga: stratix10-soc: extend driver for bitstream authentication richard.gong
2020-12-14 14:03 ` [PATCHv2 0/5] Extend Intel service layer, FPGA manager and region Richard Gong
2020-12-14 14:05 ` Greg KH
2020-12-14 14:43 ` Richard Gong
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