X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Farm%2FBooting;h=fad566bb02fc8fdc509aa0b27c122fafe55d655e;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=c9feb2d5c79748115c1883f96dc24954241f28e9;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/Documentation/arm/Booting b/Documentation/arm/Booting index c9feb2d5c..fad566bb0 100644 --- a/Documentation/arm/Booting +++ b/Documentation/arm/Booting @@ -50,7 +50,7 @@ As an alternative, the boot loader can pass the relevant 'console=' option to the kernel via the tagged lists specifying the port, and serial format options as described in - linux/Documentation/kernel-parameters.txt. + Documentation/kernel-parameters.txt. 3. Detect the machine type @@ -118,6 +118,10 @@ to store page tables. The recommended placement is 32KiB into RAM. In either case, the following conditions must be met: +- Quiesce all DMA capable devicess so that memory does not get + corrupted by bogus network packets or disk data. This will save + you many hours of debug. + - CPU register settings r0 = 0, r1 = machine type number discovered in (3) above.