diff options
Diffstat (limited to 'kernel/arch/xtensa/boot')
| -rw-r--r-- | kernel/arch/xtensa/boot/boot-elf/boot.lds.S | 13 | ||||
| -rw-r--r-- | kernel/arch/xtensa/boot/boot-elf/bootstrap.S | 28 | ||||
| -rw-r--r-- | kernel/arch/xtensa/boot/dts/Makefile | 7 | ||||
| -rw-r--r-- | kernel/arch/xtensa/boot/dts/kc705_nommu.dts | 17 |
4 files changed, 23 insertions, 42 deletions
diff --git a/kernel/arch/xtensa/boot/boot-elf/boot.lds.S b/kernel/arch/xtensa/boot/boot-elf/boot.lds.S index 958b33af9..e54f2c9df 100644 --- a/kernel/arch/xtensa/boot/boot-elf/boot.lds.S +++ b/kernel/arch/xtensa/boot/boot-elf/boot.lds.S @@ -40,17 +40,4 @@ SECTIONS *(.bss) __bss_end = .; } - -#ifdef CONFIG_MMU - /* - * This is a remapped copy of the Reset Vector Code. - * It keeps gdb in sync with the PC after switching - * to the temporary mapping used while setting up - * the V2 MMU mappings for Linux. - */ - .ResetVector.remapped_text 0x46000000 (INFO): - { - *(.ResetVector.remapped_text) - } -#endif } diff --git a/kernel/arch/xtensa/boot/boot-elf/bootstrap.S b/kernel/arch/xtensa/boot/boot-elf/bootstrap.S index 9341a5750..e6bf31361 100644 --- a/kernel/arch/xtensa/boot/boot-elf/bootstrap.S +++ b/kernel/arch/xtensa/boot/boot-elf/bootstrap.S @@ -58,8 +58,6 @@ _SetupMMU: wsr a0, ps rsync - Offset = _SetupMMU - _ResetVector - #ifndef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX initialize_mmu #endif @@ -74,29 +72,3 @@ reset: movi a3, 0 movi a4, 0 jx a0 - -#ifdef CONFIG_MMU - .align 4 - - .section .ResetVector.remapped_text, "x" - .global _RemappedResetVector - - /* Do org before literals */ - .org 0 - -_RemappedResetVector: - .begin no-absolute-literals - .literal_position - - _j _RemappedSetupMMU - - /* Position Remapped code at the same location as the original code */ - . = _RemappedResetVector + Offset - -_RemappedSetupMMU: -#ifndef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX - initialize_mmu -#endif - - .end no-absolute-literals -#endif diff --git a/kernel/arch/xtensa/boot/dts/Makefile b/kernel/arch/xtensa/boot/dts/Makefile index 5f711bba8..a15e241c9 100644 --- a/kernel/arch/xtensa/boot/dts/Makefile +++ b/kernel/arch/xtensa/boot/dts/Makefile @@ -12,4 +12,9 @@ ifneq ($(CONFIG_BUILTIN_DTB),"") obj-$(CONFIG_OF) += $(BUILTIN_DTB) endif -clean-files := *.dtb.S +dtstree := $(srctree)/$(src) +dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts)) + +always += $(dtb-y) +clean-files += *.dtb *.dtb.S + diff --git a/kernel/arch/xtensa/boot/dts/kc705_nommu.dts b/kernel/arch/xtensa/boot/dts/kc705_nommu.dts new file mode 100644 index 000000000..65f3d741b --- /dev/null +++ b/kernel/arch/xtensa/boot/dts/kc705_nommu.dts @@ -0,0 +1,17 @@ +/dts-v1/; +/include/ "xtfpga.dtsi" +/include/ "xtfpga-flash-128m.dtsi" + +/ { + compatible = "cdns,xtensa-kc705"; + chosen { + bootargs = "earlycon=uart8250,mmio32,0x9d050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"; + }; + memory@0 { + device_type = "memory"; + reg = <0x60000000 0x10000000>; + }; + soc { + ranges = <0x00000000 0x90000000 0x10000000>; + }; +}; |