diff mbox series

[v4,13/23] ARM: dts: socfpga: add Enclustra boot-mode dtsi

Message ID 20241029202349.69442-14-l.rubusch@gmail.com (mailing list archive)
State Changes Requested
Headers show
Series Add Enclustra Arria10 and Cyclone5 SoMs | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 4 this patch: 4
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Lothar Rubusch Oct. 29, 2024, 8:23 p.m. UTC 
Add generic boot-mode support to Enclustra Arria10 and Cyclone5 boards.
Some Enclustra carrier boards need hardware adjustments specific to the
selected boot-mode.

Enclustra's Arria10 SoMs allow for booting from different media. By
muxing certain IO pins, the media can be selected. This muxing can be
done by gpios at runtime e.g. when flashing QSPI from off the
bootloader. But also to have statically certain boot media available,
certain adjustments to the DT are needed:
- SD: QSPI must be disabled
- eMMC: QSPI must be disabled, bus width can be doubled to 8 byte
- QSPI: any mmc is disabled, QSPI then defaults to be enabled

The boot media must be accessible to the bootloader, e.g. to load a
bitstream file, but also to the system to mount the rootfs and to use
the specific performance.

Signed-off-by: Andreas Buerkler <andreas.buerkler@enclustra.com>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
---
 .../socfpga_enclustra_mercury_bootmode_emmc.dtsi     | 12 ++++++++++++
 .../socfpga_enclustra_mercury_bootmode_qspi.dtsi     |  8 ++++++++
 .../socfpga_enclustra_mercury_bootmode_sdmmc.dtsi    |  8 ++++++++
 3 files changed, 28 insertions(+)
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
 create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
new file mode 100644
index 000000000..d79cb64da
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_emmc.dtsi
@@ -0,0 +1,12 @@ 
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&qspi {
+	status = "disabled";
+};
+
+&mmc {
+	bus-width = <8>;
+};
diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
new file mode 100644
index 000000000..5ba21dd8f
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_qspi.dtsi
@@ -0,0 +1,8 @@ 
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&mmc {
+	status = "disabled";
+};
diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
new file mode 100644
index 000000000..2b102e0b6
--- /dev/null
+++ b/arch/arm/boot/dts/intel/socfpga/socfpga_enclustra_mercury_bootmode_sdmmc.dtsi
@@ -0,0 +1,8 @@ 
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com
+ */
+
+&qspi {
+	status = "disabled";
+};