Commit ec7c2a10 authored by Keguang Zhang's avatar Keguang Zhang Committed by Thomas Bogendoerfer
Browse files

MIPS: loongson: Add built-in DTB support 



Since the current bootloader for Loongson-1 does not support FDT,
introduce CONFIG_BUILTIN_DTB_NAME to enable a built-in DTB.

Signed-off-by: default avatarKeguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 11741215

arch/mips/boot/dts/loongson/Makefile

+5 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0



ifneq ($(CONFIG_BUILTIN_DTB_NAME),)

dtb-y	:= $(addsuffix .dtb, $(CONFIG_BUILTIN_DTB_NAME))

else

dtb-$(CONFIG_MACH_LOONGSON64)	+= loongson64_2core_2k1000.dtb

dtb-$(CONFIG_MACH_LOONGSON64)	+= loongson64c_4core_ls7a.dtb

dtb-$(CONFIG_MACH_LOONGSON64)	+= loongson64c_4core_rs780e.dtb
@@ -10,3 +14,4 @@ dtb-$(CONFIG_MACH_LOONGSON32) += cq-t300b.dtb 
dtb-$(CONFIG_MACH_LOONGSON32)	+= ls1b-demo.dtb

dtb-$(CONFIG_MACH_LOONGSON32)	+= lsgz_1b_dev.dtb

dtb-$(CONFIG_MACH_LOONGSON32)	+= smartloong-1c.dtb

endif

arch/mips/loongson32/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -36,3 +36,11 @@ config LOONGSON1_LS1C 
endchoice



endif # MACH_LOONGSON32



config BUILTIN_DTB_NAME

	string "Source file for built-in DTB"

	depends on BUILTIN_DTB

	help

	  Base name (without suffix, relative to arch/mips/boot/dts/loongson)

	  for the DTS file that will be used to produce the DTB linked into

	  the kernel.