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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@bootlin.com>
Reviewed-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/19632/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Alexandre Belloni 2018-06-26 13:57:11 +02:00 committed by Paul Burton
parent 840267e446
commit d5be4aeb5b
No known key found for this signature in database
GPG Key ID: 3EA79FACB57500DD
4 changed files with 35 additions and 3 deletions
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2
arch/mips/boot/dts/mscc/Makefile
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@ -1,3 +1,3 @@
dtb-$(CONFIG_LEGACY_BOARD_OCELOT) += ocelot_pcb123.dtb dtb-$(CONFIG_MSCC_OCELOT) += ocelot_pcb123.dtb
obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y)) obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y))

12
arch/mips/generic/Kconfig
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@ -35,13 +35,13 @@ config LEGACY_BOARD_OCELOT
depends on LEGACY_BOARD_SEAD3=n depends on LEGACY_BOARD_SEAD3=n
select LEGACY_BOARDS select LEGACY_BOARDS
select MSCC_OCELOT select MSCC_OCELOT
select SYS_HAS_EARLY_PRINTK
select USE_GENERIC_EARLY_PRINTK_8250
config MSCC_OCELOT config MSCC_OCELOT
bool bool
select GPIOLIB select GPIOLIB
select MSCC_OCELOT_IRQ select MSCC_OCELOT_IRQ
select SYS_HAS_EARLY_PRINTK
select USE_GENERIC_EARLY_PRINTK_8250
comment "FIT/UHI Boards" comment "FIT/UHI Boards"
@ -65,6 +65,14 @@ config FIT_IMAGE_FDT_XILFPGA
Enable this to include the FDT for the MIPSfpga platform Enable this to include the FDT for the MIPSfpga platform
from Imagination Technologies in the FIT kernel image. 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 requires u-boot on the platform.
config VIRT_BOARD_RANCHU config VIRT_BOARD_RANCHU
bool "Support Ranchu platform for Android emulator" bool "Support Ranchu platform for Android emulator"
help help

1
arch/mips/generic/Platform
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@ -16,4 +16,5 @@ all-$(CONFIG_MIPS_GENERIC) := vmlinux.gz.itb
its-y := vmlinux.its.S its-y := vmlinux.its.S
its-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += board-boston.its.S its-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += board-boston.its.S
its-$(CONFIG_FIT_IMAGE_FDT_NI169445) += board-ni169445.its.S its-$(CONFIG_FIT_IMAGE_FDT_NI169445) += board-ni169445.its.S
its-$(CONFIG_FIT_IMAGE_FDT_OCELOT_PCB123) += board-ocelot_pcb123.its.S
its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += board-xilfpga.its.S its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += board-xilfpga.its.S

23
arch/mips/generic/board-ocelot_pcb123.its.S Normal file
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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/ {
images {
fdt@ocelot_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@ocelot_pcb123 {
description = "Ocelot Linux kernel";
kernel = "kernel@0";
fdt = "fdt@ocelot_pcb123";
};
};
};