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/pc/uartisa.c | 98 ---------------------------------------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 os/pc/uartisa.c

(limited to 'os/pc/uartisa.c')

diff --git a/os/pc/uartisa.c b/os/pc/uartisa.c
deleted file mode 100644
index de4a8dcc..00000000
--- a/os/pc/uartisa.c
+++ /dev/null
@@ -1,98 +0,0 @@
-#include "u.h"
-#include "../port/lib.h"
-#include "mem.h"
-#include "dat.h"
-#include "fns.h"
-#include "io.h"
-#include "../port/error.h"
-#include "../port/uart.h"
-
-extern PhysUart i8250physuart;
-extern PhysUart isaphysuart;
-extern void* i8250alloc(int, int, int);
-
-static Uart*
-uartisa(int ctlrno, ISAConf* isa)
-{
-	int io;
-	void *ctlr;
-	Uart *uart;
-	char buf[64];
-
-	io = isa->port;
-	snprint(buf, sizeof(buf), "%s%d", isaphysuart.name, ctlrno);
-	if(ioalloc(io, 8, 0, buf) < 0){
-		print("uartisa: I/O 0x%uX in use\n", io);
-		return nil;
-	}
-
-	uart = malloc(sizeof(Uart));
-	ctlr = i8250alloc(io, isa->irq, BUSUNKNOWN);
-	if(ctlr == nil){
-		iofree(io);
-		free(uart);
-		return nil;
-	}
-
-	uart->regs = ctlr;
-	snprint(buf, sizeof(buf), "COM%d", ctlrno+1);
-	kstrdup(&uart->name, buf);
-	uart->freq = isa->freq;
-	uart->phys = &i8250physuart;
-
-	return uart;
-}
-
-static Uart*
-uartisapnp(void)
-{
-	int ctlrno;
-	ISAConf isa;
-	Uart *head, *tail, *uart;
-
-	/*
-	 * Look for up to 4 discrete UARTs on the ISA bus.
-	 * All suitable devices are configured to simply point
-	 * to the generic i8250 driver.
-	 */
-	head = tail = nil;
-	for(ctlrno = 2; ctlrno < 6; ctlrno++){
-		memset(&isa, 0, sizeof(isa));
-		if(!isaconfig("uart", ctlrno, &isa))
-			continue;
-		if(strcmp(isa.type, "isa") != 0)
-			continue;
-		if(isa.port == 0 || isa.irq == 0)
-			continue;
-		if(isa.freq == 0)
-			isa.freq = 1843200;
-		uart = uartisa(ctlrno, &isa);
-		if(uart == nil)
-			continue;
-		if(head != nil)
-			tail->next = uart;
-		else
-			head = uart;
-		tail = uart;
-	}
-
-	return head;
-}
-
-PhysUart isaphysuart = {
-	.name		= "UartISA",
-	.pnp		= uartisapnp,
-	.enable		= nil,
-	.disable	= nil,
-	.kick		= nil,
-	.dobreak	= nil,
-	.baud		= nil,
-	.bits		= nil,
-	.stop		= nil,
-	.parity		= nil,
-	.modemctl	= nil,
-	.rts		= nil,
-	.dtr		= nil,
-	.status		= nil,
-	.fifo		= nil,
-};
-- 
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