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authorYoshihiro Shimoda <shimoda.yoshihiro@renesas.com>2009-03-10 15:49:54 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-03-10 15:49:54 +0900
commit2f47f44790a9c8fc43e515df3c6be19a35ee5de5 (patch)
tree6a13f7abebcb04cc396a1d6de307265e36ccc89d /arch/sh/boot
parenta29b99eccecefe5026713b226f66f117c8837ad5 (diff)
downloadvexpress-lsk-2f47f44790a9c8fc43e515df3c6be19a35ee5de5.tar.gz
sh: Support fixed 32-bit PMB mappings from bootloader.
This provides a method for supporting fixed PMB mappings inherited from the bootloader, as an alternative to the dynamic PMB mapping currently used by the kernel. In the future these methods will be combined. P1/P2 area is handled like a regular 29-bit physical address, and local bus device are assigned P3 area addresses. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boot')
-rw-r--r--arch/sh/boot/Makefile20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index c16ccd4bfa1..95483d16125 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -33,20 +33,24 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(obj)/compressed/vmlinux: FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
-ifeq ($(CONFIG_32BIT),y)
-KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
- $$[$(CONFIG_PAGE_OFFSET) + \
- $(CONFIG_ZERO_PAGE_OFFSET)]')
-else
+KERNEL_MEMORY := 0x00000000
+ifeq ($(CONFIG_PMB_FIXED),y)
+KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
+ $$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
+endif
+ifeq ($(CONFIG_29BIT),y)
+KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
+ $$[$(CONFIG_MEMORY_START)]')
+endif
+
KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_PAGE_OFFSET) + \
- $(CONFIG_MEMORY_START) + \
+ $(KERNEL_MEMORY) + \
$(CONFIG_ZERO_PAGE_OFFSET)]')
-endif
KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_PAGE_OFFSET) + \
- $(CONFIG_MEMORY_START) + \
+ $(KERNEL_MEMORY) + \
$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
quiet_cmd_uimage = UIMAGE $@