diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 2001-07-04 05:58:30 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 2001-07-04 05:58:30 +0000 |
| commit | 476e44c4bcd2b5f75089e1bea44d7f92dd5e5f33 (patch) | |
| tree | 689eec8189fc8fd431c41ef8dbf7f7d326e228b4 /sys/dev | |
| parent | ccebef6d1beb779c90dbee799352f2dc9ed4db98 (diff) | |
clarify/neaten
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/lofnreg.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/sys/dev/pci/lofnreg.h b/sys/dev/pci/lofnreg.h index bd65bdaf3ca..dc85cc5465f 100644 --- a/sys/dev/pci/lofnreg.h +++ b/sys/dev/pci/lofnreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: lofnreg.h,v 1.10 2001/06/27 05:11:16 jason Exp $ */ +/* $OpenBSD: lofnreg.h,v 1.11 2001/07/04 05:58:29 jason Exp $ */ /* * Copyright (c) 2001 Jason L. Wright (jason@thought.net) @@ -31,17 +31,12 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#define LOFN_BAR0 0x10 +#define LOFN_BAR0 0x0010 /* base address register */ -#define LOFN_WIN_0 0x0000 -#define LOFN_WIN_1 0x2000 -#define LOFN_WIN_2 0x4000 -#define LOFN_WIN_3 0x6000 - -#define LOFN_REG_MASK 0x0f80 /* Register number mask */ -#define LOFN_REG_SHIFT 7 -#define LOFN_WORD_MASK 0x007c /* Word index mask */ -#define LOFN_WORD_SHIFT 2 +#define LOFN_WIN_0 0x0000 /* 0 - rev byte, norm word */ +#define LOFN_WIN_1 0x2000 /* 1 - rev byte, rev word */ +#define LOFN_WIN_2 0x4000 /* 2 - norm byte, norm word */ +#define LOFN_WIN_3 0x6000 /* 3 - norm byte, rev word */ /* Bignum registers */ #define LOFN_REL_DATA 0x0000 /* Data registers */ @@ -64,19 +59,30 @@ #define LOFN_REL_CFG2 0x1fe8 /* Config2 */ #define LOFN_REL_CHIPID 0x1fec /* Chip ID */ +/* Data register access */ +#define LOFN_REG_MASK 0x0f80 /* Register number mask */ +#define LOFN_REG_SHIFT 7 +#define LOFN_WORD_MASK 0x007c /* Word index mask */ +#define LOFN_WORD_SHIFT 2 + +/* Command address register (LOFN_REL_CR) */ #define LOFN_CR_ADDR_MASK 0x0000003f /* Instruction addr offset */ +/* Status register (LOFN_REL_SR) */ #define LOFN_SR_CARRY 0x00000008 /* Carry from operation */ #define LOFN_SR_RNG_UF 0x00001000 /* RNG underflow */ #define LOFN_SR_RNG_RDY 0x00004000 /* RNG ready */ #define LOFN_SR_DONE 0x00008000 /* Operation done */ +/* Interrupt enable register (LOFN_REL_IER) */ #define LOFN_IER_RDY 0x00004000 /* RNG ready */ #define LOFN_IER_DONE 0x00008000 /* Operation done */ +/* Random number configuration (LOFN_REL_RNC) */ #define LOFN_RNC_OUTSCALE 0x00000080 /* Output prescalar */ #define LOFN_RNC_1STSCALE 0x00000f00 /* First prescalar */ +/* Config register 1 (LOFN_REL_CFG1) */ #define LOFN_CFG1_RESET 0x00000001 /* Reset */ #define LOFN_CFG1_MULTI 0x00000038 /* PLL multiple */ #define LOFN_CFG1_MULTI_BYP 0x00000000 /* PLL bypass */ @@ -88,9 +94,11 @@ #define LOFN_CFG1_MULTI_4X 0x00000030 /* 4x CLK */ #define LOFN_CFG1_CLOCK 0x00000040 /* Clock select */ +/* Config register 2 (LOFN_REL_CFG2) */ #define LOFN_CFG2_RNGENA 0x00000001 /* RNG enable */ #define LOFN_CFG2_PRCENA 0x00000002 /* Processor enable */ +/* Chip identification (LOFN_REL_CHIPID) */ #define LOFN_CHIPID_MASK 0x0000ffff /* Chip ID */ #define LOFN_REGADDR(win,r,idx) \ @@ -118,7 +126,8 @@ #define OP_CODE_SR 0x28000000 /* shift right */ #define OP_CODE_SL 0x2c000000 /* shift left */ #define OP_CODE_INC 0x30000000 /* increment */ -#define OP_CODE_DEC 0x34000000 /* set length tag */ +#define OP_CODE_DEC 0x34000000 /* decrement */ +#define OP_CODE_TAG 0x38000000 /* set length tag */ #define OP_CODE_NOP 0x7c000000 /* nop */ #define OP_RD_SHIFT 21 |