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Message-Id: <20180425211607.2645-1-alexandre.belloni@bootlin.com>
Date: Wed, 25 Apr 2018 23:16:06 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: James Hogan <jhogan@...nel.org>, Ralf Baechle <ralf@...ux-mips.org>
Cc: Allan Nielsen <Allan.Nielsen@...rosemi.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 1/2] mips: mscc: build FIT image for Ocelot
Ocelot now has a u-boot port, allow building FIT images instead of relying
on the legacy detection and builtin DTB.
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
arch/mips/boot/dts/mscc/Makefile | 2 +-
arch/mips/generic/Kconfig | 12 +++++++++--
arch/mips/generic/Platform | 1 +
arch/mips/generic/board-ocelot_pcb123.its.S | 23 +++++++++++++++++++++
4 files changed, 35 insertions(+), 3 deletions(-)
create mode 100644 arch/mips/generic/board-ocelot_pcb123.its.S
diff --git a/arch/mips/boot/dts/mscc/Makefile b/arch/mips/boot/dts/mscc/Makefile
index c51164537c02..8982b19504a3 100644
--- a/arch/mips/boot/dts/mscc/Makefile
+++ b/arch/mips/boot/dts/mscc/Makefile
@@ -1,3 +1,3 @@
-dtb-$(CONFIG_LEGACY_BOARD_OCELOT) += ocelot_pcb123.dtb
+dtb-$(CONFIG_MSCC_OCELOT) += ocelot_pcb123.dtb
obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index ba9b2c8cce68..6564f18b2012 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -35,13 +35,13 @@ config LEGACY_BOARD_OCELOT
depends on LEGACY_BOARD_SEAD3=n
select LEGACY_BOARDS
select MSCC_OCELOT
+ select SYS_HAS_EARLY_PRINTK
+ select USE_GENERIC_EARLY_PRINTK_8250
config MSCC_OCELOT
bool
select GPIOLIB
select MSCC_OCELOT_IRQ
- select SYS_HAS_EARLY_PRINTK
- select USE_GENERIC_EARLY_PRINTK_8250
comment "FIT/UHI Boards"
@@ -65,6 +65,14 @@ config FIT_IMAGE_FDT_XILFPGA
Enable this to include the FDT for the MIPSfpga platform
from Imagination Technologies in the FIT kernel image.
+config FIT_IMAGE_FDT_OCELOT_PCB123
+ bool "Include FDT for Microsemi Ocelot PCB123"
+ select MSCC_OCELOT
+ help
+ Enable this to include the FDT for the Ocelot PCB123 platform
+ from Microsemi in the FIT kernel image.
+ This require u-boot on the platform.
+
config VIRT_BOARD_RANCHU
bool "Support Ranchu platform for Android emulator"
help
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index 0dd0d5d460a5..879cb80396c8 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -16,4 +16,5 @@ all-$(CONFIG_MIPS_GENERIC) := vmlinux.gz.itb
its-y := vmlinux.its.S
its-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += board-boston.its.S
its-$(CONFIG_FIT_IMAGE_FDT_NI169445) += board-ni169445.its.S
+its-$(CONFIG_FIT_IMAGE_FDT_OCELOT_PCB123) += board-ocelot_pcb123.its.S
its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += board-xilfpga.its.S
diff --git a/arch/mips/generic/board-ocelot_pcb123.its.S b/arch/mips/generic/board-ocelot_pcb123.its.S
new file mode 100644
index 000000000000..f6f54ff6d64c
--- /dev/null
+++ b/arch/mips/generic/board-ocelot_pcb123.its.S
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/ {
+ images {
+ fdt@...lot_pcb123 {
+ description = "MSCC Ocelot PCB123 Device Tree";
+ data = /incbin/("boot/dts/mscc/ocelot_pcb123.dtb");
+ type = "flat_dt";
+ arch = "mips";
+ compression = "none";
+ hash@0 {
+ algo = "sha1";
+ };
+ };
+ };
+
+ configurations {
+ conf@...lot_pcb123 {
+ description = "Ocelot Linux kernel";
+ kernel = "kernel@0";
+ fdt = "fdt@...lot_pcb123";
+ };
+ };
+};
--
2.17.0
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