From: Mike Frysinger Date: Sun, 5 Aug 2007 06:06:16 +0000 (+0800) Subject: Blackfin arch: update BOOT_LOAD X-Git-Tag: v2.6.24-rc1~1462^2~41 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d8f161fe3d6f8d4a2a6f7d068757261b49191f7;p=linux-2.6 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 Signed-off-by: Bryan Wu --- diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 17f9469201..cdce8cc5b7 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)