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authorBarry Song <barry.song@analog.com>2010-01-07 04:11:17 +0000
committerMike Frysinger <vapier@gentoo.org>2010-03-09 00:30:48 -0500
commitd86bfb1600db38e8387beee0aaab4263cfd728a2 (patch)
tree95e6f3d77d6dede480d74a7a4b87f2794a5b31fe /arch/blackfin/Kconfig
parentaad16f32284030907b4f105e92e5fb534fd272bc (diff)
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Blackfin: initial XIP support
Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/Kconfig')
-rw-r--r--arch/blackfin/Kconfig16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index c0d6d96..f46db59 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -26,9 +26,9 @@ config BLACKFIN
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_IDE
- select HAVE_KERNEL_GZIP
- select HAVE_KERNEL_BZIP2
- select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_GZIP if RAMKERNEL
+ select HAVE_KERNEL_BZIP2 if RAMKERNEL
+ select HAVE_KERNEL_LZMA if RAMKERNEL
select HAVE_OPROFILE
select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -407,10 +407,18 @@ config BOOT_LOAD
config ROM_BASE
hex "Kernel ROM Base"
depends on ROMKERNEL
- default "0x20040000"
+ default "0x20040040"
range 0x20000000 0x20400000 if !(BF54x || BF561)
range 0x20000000 0x30000000 if (BF54x || BF561)
help
+ Make sure your ROM base does not include any file-header
+ information that is prepended to the kernel.
+
+ For example, the bootable U-Boot format (created with
+ mkimage) has a 64 byte header (0x40). So while the image
+ you write to flash might start at say 0x20080000, you have
+ to add 0x40 to get the kernel's ROM base as it will come
+ after the header.
comment "Clock/PLL Setup"