From 78ee7d5717807e6ac779293d0d3c78341de6130a Mon Sep 17 00:00:00 2001
From: "Konstantin Kirik (snegovick)" <snegovick@uprojects.org>
Date: Sun, 28 Dec 2025 12:27:31 +0300
Subject: Move existing boards into subdits split per arch

---
 os/cerf405/uart.c | 139 ------------------------------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 os/cerf405/uart.c

(limited to 'os/cerf405/uart.c')

diff --git a/os/cerf405/uart.c b/os/cerf405/uart.c
deleted file mode 100644
index 3d90f5ad..00000000
--- a/os/cerf405/uart.c
+++ /dev/null
@@ -1,139 +0,0 @@
-#include	"u.h"
-#include	"../port/lib.h"
-#include	"mem.h"
-#include	"dat.h"
-#include	"fns.h"
-#include	"io.h"
-#include	"ureg.h"
-
-/*
- * uart for initial port
- */
-
-typedef struct Uartregs Uartregs;
-struct Uartregs {
-	uchar	rbr;
-#define	thr	rbr
-#define	dll	rbr
-	uchar	ier;
-#define	dlm	ier
-	uchar	fcr;
-#define	iir	fcr
-	uchar	lcr;
-	uchar	mcr;
-	uchar	lsr;
-	uchar	msr;
-	uchar	scr;
-};
-
-#define	UARTREGS(n)	((Uartregs*)(PHYSUART0+(n)*0x100))
-
-enum {
-	/* ier */
-	Edssi=	1<<3,
-	Elsi=		1<<2,
-	Etbei=	1<<1,
-	Erbfi=	1<<0,
-
-	/* iir */
-	Fci0=	0<<4,
-	Fci3=	3<<4,
-	Ipl=		7<<1,
-	Ip=		1<<0,
-
-	/* fcr */
-	Rftl1=	0<<6,	/* receiver trigger level 1, 16, 32, 56 */
-	Rftl16=	1<<6,
-	Rftl32=	2<<6,
-	Rftl56=	3<<6,
-	Dms=	1<<3,	/* =0, single transfer; =1, multiple transfers */
-	Tfr=		1<<2,	/* transmitter fifo reset */
-	Rfr=		1<<1,	/* receiver fifo reset */
-	Fifoe=	1<<0,	/* =0, disable fifos; =1, enable fifos */
-
-	/* lcr */
-	Dlab=	1<<7,	/* =0, normal; =1, dll/dlm visible */
-	Sb=		1<<6,	/* set break */
-	Sp=		1<<5,	/* =1, enable sticky parity */
-	Eps=		1<<4,	/* =1, generate even parity */
-	Pen=		1<<3,	/* =1, enable parity checking */
-	Sbs=		1<<2,	/* =0, 1 stop bit; =1, 1.5 or 2 stop bits (see Wls) */
-	Wls=		3<<0,	/* set to nbit-5 for nbit characters */
-
-	/* mcr */
-	Afc=		1<<5,	/* =1, auto flow control enabled */
-	Loop=	1<<4,	/* =1, loop back mode enabled */
-	Out2=	1<<3,	/* =0, OUT2# active */
-	Out1=	1<<2,	/* =0, OUT1# active */
-	Rts=		1<<1,	/* =0, RTS# inactive (1); =1, RTS# active (0) */
-	Dtr=		1<<0,	/* =0, DTS# inactive; =1, DTS# active */
-
-	/* lsr */
-	Rfe=		1<<7,	/* error instances in fifo */
-	Temt=	1<<6,	/* transmitter empty */
-	Thre=	1<<5,	/* transmitter holding register/fifo empty */
-	Be=		1<<4,	/* break (interrupt) */
-	Fe=		1<<3,	/* framing error */
-	Pe=		1<<2,	/* parity error */
-	Oe=		1<<1,	/* overrun error */
-	Dr=		1<<0,	/* receiver data ready */
-
-	/* msr */
-	Dcd=	1<<7,	/* follows Out2 */
-	Ri=		1<<6,	/* follows Out1 */
-	Dsr=		1<<5,	/* follows Dtr */
-	Cts=		1<<4,	/* follows Rts */
-	Ddcd=	1<<3,	/* Dcd input changed */
-	Teri=	1<<2,	/* Ri changed from 0 to 1 */
-	Ddsr=	1<<1,	/* Dsr input changed */
-	Dcts=	1<<0,	/* Cts input changed */
-};
-
-void (*serwrite)(char*, int) = uartputs;
-
-void
-uartinstall(void)
-{
-}
-
-void
-uartspecial(int, int, Queue**, Queue**, int (*)(Queue*, int))
-{
-}
-
-void
-uartputc(int c)
-{
-	Uartregs *r;
-
-	if(c == 0)
-		return;
-	r = UARTREGS(0);
-	while((r->lsr & Thre) == 0)
-		{}
-	r->thr = c;
-	if(c == '\n')
-		while((r->lsr & Thre) == 0)	/* flush xmit fifo */
-			{}
-}
-
-void
-uartputs(char *data, int len)
-{
-	int s;
-
-//	if(!uartspcl && !redirectconsole)
-//		return;
-	s = splhi();
-	while(--len >= 0){
-		if(*data == '\n')
-			uartputc('\r');
-		uartputc(*data++);
-	}
-	splx(s);
-}
-
-void
-uartwait(void)
-{
-}
-- 
cgit v1.2.3