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Document a few acronyms.

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This commit is contained in:
mdodd 2003-02-08 20:42:26 +00:00
parent 777508ca28
commit 1a1b8ed8d5
1 changed files with 3 additions and 0 deletions
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3
sys/sys/agpio.h
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@ -37,6 +37,9 @@
/* /*
* Macros to manipulate AGP mode words. * 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_RQ(x) (((x) & 0xff000000U) >> 24)
#define AGP_MODE_GET_SBA(x) (((x) & 0x00000200U) >> 9) #define AGP_MODE_GET_SBA(x) (((x) & 0x00000200U) >> 9)