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Document a few acronyms.

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This commit is contained in:
Matthew N. Dodd 2003-02-08 20:42:26 +00:00
parent 31d20f96fc
commit 5788e4422e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=110568
1 changed files with 3 additions and 0 deletions
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sys/sys/agpio.h
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@ -37,6 +37,9 @@
/*
* Macros to manipulate AGP mode words.
*
* SBA = Sideband Address Port
* FW = Fast Writes
*/
#define AGP_MODE_GET_RQ(x) (((x) & 0xff000000U) >> 24)
#define AGP_MODE_GET_SBA(x) (((x) & 0x00000200U) >> 9)