xtensa: drop CONFIG_EMBEDDED_RAMDISK

Remove Kconfig entries, boot subdirectory, dependencies from other
boot-* Makefiles, and sections from ld scripts.

Remove stale redboot code that used to pass initrd addresses in a3 and
a4 to _start.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

6 files changed, 1 insertions, 65 deletions

diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile
index 70fd1453e172..4018f8994196 100644
--- a/arch/xtensa/boot/Makefile
+++ b/arch/xtensa/boot/Makefile
@@ -25,7 +25,7 @@ bootdir-$(CONFIG_XTENSA_PLATFORM_ISS)	 += boot-elf
 bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf
 
 
-zImage zImage.initrd Image Image.initrd: $(bootdir-y)
+zImage Image: $(bootdir-y)
 
 $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \
 	      $(addprefix $(obj)/,$(host-progs))
diff --git a/arch/xtensa/boot/boot-elf/Makefile b/arch/xtensa/boot/boot-elf/Makefile
index 4bbc26f797f1..f10992b89027 100644
--- a/arch/xtensa/boot/boot-elf/Makefile
+++ b/arch/xtensa/boot/boot-elf/Makefile
@@ -33,22 +33,5 @@ Image:	vmlinux.tmp $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds
 		-T arch/$(ARCH)/boot/boot-elf/boot.lds \
 		-o arch/$(ARCH)/boot/$@.elf $@.tmp
 
-Image.initrd:	vmlinux $(OBJS)
-	$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
-		--add-section .initrd=arch/$(ARCH)/boot/ramdisk \
-		--set-section-flags .initrd=contents,alloc,load,load,data \
-		vmlinux vmlinux.tmp
-	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
-		--add-section image=vmlinux.tmp \
-		--set-section-flags image=contents,alloc,load,load,data \
-		$(OBJS) $@.tmp
-	$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
-		-T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \
-		-o arch/$(ARCH)/boot/$@.elf $@.tmp
-#rm -f $@.tmp vmlinux.tmp
-
-
 zImage:	Image
 
-zImage.initrd:	Image.initrd
-
diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S
index 4e53b74dc44b..7b646e0a6486 100644
--- a/arch/xtensa/boot/boot-elf/boot.lds.S
+++ b/arch/xtensa/boot/boot-elf/boot.lds.S
@@ -33,13 +33,6 @@ SECTIONS
 
 	__reloc_end = . ;
 
-	.initrd ALIGN(0x10) :
-	{
-		boot_initrd_start = . ;
-		*(.initrd)
-		boot_initrd_end = .;
-	}
-
 	. = ALIGN(0x10);
 	__image_load = . ;
 	.image 0xd0001000:
diff --git a/arch/xtensa/boot/boot-redboot/boot.ld b/arch/xtensa/boot/boot-redboot/boot.ld
index 774db20d11f7..5bbcaf9e830d 100644
--- a/arch/xtensa/boot/boot-redboot/boot.ld
+++ b/arch/xtensa/boot/boot-redboot/boot.ld
@@ -31,13 +31,6 @@ SECTIONS
 
 	__reloc_end = . ;
 
-	.initrd ALIGN(0x10) :
-	{
-		boot_initrd_start = . ;
-		*(.initrd)
-		boot_initrd_end = .;
-	}
-
 	. = ALIGN(0x10);
 	__image_load = . ;
 	.image 0xd0001000: AT(__image_load)
diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S
index 5582e8cfac8f..4c316cd28a54 100644
--- a/arch/xtensa/boot/boot-redboot/bootstrap.S
+++ b/arch/xtensa/boot/boot-redboot/bootstrap.S
@@ -226,17 +226,7 @@ _reloc:
 
 	isync
 
-	movi	a5, __start
-	movi	a3, boot_initrd_start
-	movi	a4, boot_initrd_end
-	sub	a3, a3, a5
-	sub	a4, a4, a5
-	add	a3, a0, a3
-	add	a4, a0, a4
-
 	# a2  Boot parameter list
-	# a3  initrd_start (virtual load address)
-	# a4  initrd_end   (virtual load address)
 
 	movi	a0, _image_start
 	jx	a0
diff --git a/arch/xtensa/boot/ramdisk/Makefile b/arch/xtensa/boot/ramdisk/Makefile
deleted file mode 100644
index b12f76352438..000000000000
--- a/arch/xtensa/boot/ramdisk/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Makefile for a ramdisk image
-#
-
-BIG_ENDIAN	:= $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big)
-
-ifeq ($(BIG_ENDIAN),1)
-OBJCOPY_ARGS    := -O elf32-xtensa-be
-else
-OBJCOPY_ARGS    := -O elf32-xtensa-le
-endif
-
-obj-y = ramdisk.o
-
-RAMDISK_IMAGE = arch/$(ARCH)/boot/ramdisk/$(CONFIG_EMBEDDED_RAMDISK_IMAGE)
-
-arch/$(ARCH)/boot/ramdisk/ramdisk.o:
-	$(Q)echo -e "dummy:" | $(AS) -o $@;
-	$(Q)$(OBJCOPY) $(OBJCOPY_ARGS)					    \
-		--add-section .initrd=$(RAMDISK_IMAGE)			    \
-		--set-section-flags .initrd=contents,alloc,load,load,data   \
-		arch/$(ARCH)/boot/ramdisk/ramdisk.o $@
-