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| author |   Mike Frysinger <michael.frysinger@analog.com> | 2007-08-05 14:06:16 +0800 |
|---|---|---|
| committer |   Bryan Wu <bryan.wu@analog.com> | 2007-08-05 14:06:16 +0800 |
| commit | 2d8f161fe3d6f8d4a2a6f7d068757261b49191f7 (patch) | |
| tree | 284837a81d669b16aed11d012ce358c231fe03f8 /arch/blackfin | |
| parent | Blackfin arch: fix up header for BF533 (diff) | |
| download | linux-dev-2d8f161fe3d6f8d4a2a6f7d068757261b49191f7.tar.xz linux-dev-2d8f161fe3d6f8d4a2a6f7d068757261b49191f7.zip | |
Blackfin arch: update BOOT_LOAD
update BOOT_LOAD help to reflect current state of the first 4k of
our address space as well as add a memory range option to prevent
invalid values
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/Kconfig | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 17f946920159..cdce8cc5b7b3 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -476,15 +476,16 @@ config ENET_FLASH_PIN config BOOT_LOAD hex "Kernel load address for booting" default "0x1000" + range 0x1000 0x20000000 help This option allows you to set the load address of the kernel. This can be useful if you are on a board which has a small amount of memory or you wish to reserve some memory at the beginning of the address space. - Note that you generally want to keep this value at or above 4k - (0x1000) as this will allow the kernel to capture NULL pointer - references. + Note that you need to keep this value above 4k (0x1000) as this + memory region is used to capture NULL pointer references as well + as some core kernel functions. comment "LED Status Indicators" depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM) |