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Add a couple of extra defines needed by the octeon uart. Not sure

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this is the right place...
This commit is contained in:
Warner Losh 2009-08-15 02:04:09 +00:00
parent 232f85fdf4
commit 961a7d3a7d
1 changed files with 5 additions and 0 deletions
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5
sys/dev/ic/ns16550.h
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@ -52,6 +52,7 @@
#define REG_IIR com_iir
#define IIR_IMASK 0xf
#define IIR_RXTOUT 0xc
#define IIR_BUSY 0x7
#define IIR_RLS 0x6
#define IIR_RXRDY 0x4
#define IIR_TXRDY 0x2
@ -181,6 +182,10 @@
#define com_xoff1 6 /* XOFF 1 character (R/W) */
#define com_xoff2 7 /* XOFF 2 character (R/W) */
#define com_usr 39 /* Octeon 16750/16550 Uart Status Reg */
#define REG_USR com_usr
#define USR_TXFIFO_NOTFULL 2 /* Uart TX FIFO Not full */
/* 16950 register #1. Access enabled by ACR[7]. Also requires !LCR[7]. */
#define com_asr 1 /* additional status register (R[0-7]/W[0-1]) */