From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/mips/sgi-ip27/ip27-console.c | 42 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 arch/mips/sgi-ip27/ip27-console.c

(limited to 'arch/mips/sgi-ip27/ip27-console.c')

diff --git a/arch/mips/sgi-ip27/ip27-console.c b/arch/mips/sgi-ip27/ip27-console.c
new file mode 100644
index 000000000..7737a88c6
--- /dev/null
+++ b/arch/mips/sgi-ip27/ip27-console.c
@@ -0,0 +1,42 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001, 2002 Ralf Baechle
+ */
+
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/sn/addrs.h>
+#include <asm/sn/agent.h>
+#include <asm/sn/klconfig.h>
+#include <asm/sn/ioc3.h>
+
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+
+#include "ip27-common.h"
+
+#define IOC3_CLK	(22000000 / 3)
+#define IOC3_FLAGS	(0)
+
+static inline struct ioc3_uartregs *console_uart(void)
+{
+	struct ioc3 *ioc3;
+	nasid_t nasid;
+
+	nasid = (master_nasid == INVALID_NASID) ? get_nasid() : master_nasid;
+	ioc3 = (struct ioc3 *)KL_CONFIG_CH_CONS_INFO(nasid)->memory_base;
+
+	return &ioc3->sregs.uarta;
+}
+
+void prom_putchar(char c)
+{
+	struct ioc3_uartregs *uart = console_uart();
+
+	while ((readb(&uart->iu_lsr) & 0x20) == 0)
+		;
+	writeb(c, &uart->iu_thr);
+}
-- 
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