From 2d8f161fe3d6f8d4a2a6f7d068757261b49191f7 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sun, 5 Aug 2007 14:06:16 +0800 Subject: [PATCH] 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 --- arch/blackfin/Kconfig | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 17f94692015..cdce8cc5b7b 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) -- 2.39.2