| Message ID | 20240703101243.1403231-1-yoshihiro.shimoda.uh@renesas.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | PCI: rcar-gen4: Add a document about the firmware | expand |
On 7/3/24 1:12 PM, Yoshihiro Shimoda wrote: > Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires > specific firmwre downloading. So, add a document about the firmware Firmware. :-) > how to get. > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > --- > Krzysztof-san suggests writing a document about this [1]. So, I submit > this patch. > > [1] > https://lore.kernel.org/linux-pci/20240701204333.GB412915@rocinante/ > > .../admin-guide/rcar-pcie-firmware.rst | 20 +++++++++++++++++++ > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/admin-guide/rcar-pcie-firmware.rst > > diff --git a/Documentation/admin-guide/rcar-pcie-firmware.rst b/Documentation/admin-guide/rcar-pcie-firmware.rst > new file mode 100644 > index 000000000000..75c0d086dcc5 > --- /dev/null > +++ b/Documentation/admin-guide/rcar-pcie-firmware.rst > @@ -0,0 +1,20 @@ > +Firmware of PCIe controller for Renesas R-Car V4H > +================================================= > + > +Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific > +firmwre downloading. The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" Again, firmware... [...] MBR, Sergey
On 7/3/24 1:12 PM, Yoshihiro Shimoda wrote: > Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires > specific firmwre downloading. So, add a document about the firmware Firmware. :-) > how to get. > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > --- > Krzysztof-san suggests writing a document about this [1]. So, I submit > this patch. > > [1] > https://lore.kernel.org/linux-pci/20240701204333.GB412915@rocinante/ > > .../admin-guide/rcar-pcie-firmware.rst | 20 +++++++++++++++++++ > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/admin-guide/rcar-pcie-firmware.rst > > diff --git a/Documentation/admin-guide/rcar-pcie-firmware.rst b/Documentation/admin-guide/rcar-pcie-firmware.rst > new file mode 100644 > index 000000000000..75c0d086dcc5 > --- /dev/null > +++ b/Documentation/admin-guide/rcar-pcie-firmware.rst > @@ -0,0 +1,20 @@ > +Firmware of PCIe controller for Renesas R-Car V4H > +================================================= > + > +Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific > +firmwre downloading. The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" Again, firmware... [...] MBR, Sergey
Hello Sergei, > From: Sergei Shtylyov, Sent: Wednesday, July 3, 2024 7:22 PM > > On 7/3/24 1:12 PM, Yoshihiro Shimoda wrote: > > > Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires > > specific firmwre downloading. So, add a document about the firmware > > Firmware. :-) <snip> > > +Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific > > +firmwre downloading. The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" > > Again, firmware... Oops. I'll fix them soon. Best regards, Yoshihiro Shimoda > [...] > > MBR, Sergey
diff --git a/Documentation/admin-guide/rcar-pcie-firmware.rst b/Documentation/admin-guide/rcar-pcie-firmware.rst new file mode 100644 index 000000000000..75c0d086dcc5 --- /dev/null +++ b/Documentation/admin-guide/rcar-pcie-firmware.rst @@ -0,0 +1,20 @@ +Firmware of PCIe controller for Renesas R-Car V4H +================================================= + +Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific +firmwre downloading. The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" +is available in the datasheet as a text file. But, Renesas is not able to +distribute the firmware freely. So, we require converting the text file to +a binary before the driver runs by using the following script: + +.. code-block:: sh + + $ awk '/^\s*0x[0-9A-Fa-f]{4}\s+0x[0-9A-Fa-f]{4}/ \ + { print substr($2,5,2) substr($2,3,2) }' \ + 104_PCIe_fw_addr_data_ver1.05.txt | xxd -p -r > \ + rcar_gen4_pcie.bin + + $ sha1sum rcar_gen4_pcie.bin + + # Example output of the sha1sum: + 1d0bd4b189b4eb009f5d564b1f93a79112994945 rcar_gen4_pcie.bin
Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires specific firmwre downloading. So, add a document about the firmware how to get. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> --- Krzysztof-san suggests writing a document about this [1]. So, I submit this patch. [1] https://lore.kernel.org/linux-pci/20240701204333.GB412915@rocinante/ .../admin-guide/rcar-pcie-firmware.rst | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/admin-guide/rcar-pcie-firmware.rst