1 files changed, 0 insertions, 104 deletions
diff --git a/drivers/tty/hvc/hvc_bfin_jtag.c b/drivers/tty/hvc/hvc_bfin_jtag.c
deleted file mode 100644
index dd7cae4c195b..000000000000
--- a/drivers/tty/hvc/hvc_bfin_jtag.c
+++ /dev/null
@@ -1,104 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Console via Blackfin JTAG Communication
- *
- * Copyright 2008-2011 Analog Devices Inc.
- *
- * Enter bugs at http://blackfin.uclinux.org/
- */
-
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-
-#include "hvc_console.h"
-
-/* See the Debug/Emulation chapter in the HRM */
-#define EMUDOF   0x00000001	/* EMUDAT_OUT full & valid */
-#define EMUDIF   0x00000002	/* EMUDAT_IN full & valid */
-#define EMUDOOVF 0x00000004	/* EMUDAT_OUT overflow */
-#define EMUDIOVF 0x00000008	/* EMUDAT_IN overflow */
-
-/* Helper functions to glue the register API to simple C operations */
-static inline uint32_t bfin_write_emudat(uint32_t emudat)
-{
-	__asm__ __volatile__("emudat = %0;" : : "d"(emudat));
-	return emudat;
-}
-
-static inline uint32_t bfin_read_emudat(void)
-{
-	uint32_t emudat;
-	__asm__ __volatile__("%0 = emudat;" : "=d"(emudat));
-	return emudat;
-}
-
-/* Send data to the host */
-static int hvc_bfin_put_chars(uint32_t vt, const char *buf, int count)
-{
-	static uint32_t outbound_len;
-	uint32_t emudat;
-	int ret;
-
-	if (bfin_read_DBGSTAT() & EMUDOF)
-		return 0;
-
-	if (!outbound_len) {
-		outbound_len = count;
-		bfin_write_emudat(outbound_len);
-		return 0;
-	}
-
-	ret = min(outbound_len, (uint32_t)4);
-	memcpy(&emudat, buf, ret);
-	bfin_write_emudat(emudat);
-	outbound_len -= ret;
-
-	return ret;
-}
-
-/* Receive data from the host */
-static int hvc_bfin_get_chars(uint32_t vt, char *buf, int count)
-{
-	static uint32_t inbound_len;
-	uint32_t emudat;
-	int ret;
-
-	if (!(bfin_read_DBGSTAT() & EMUDIF))
-		return 0;
-	emudat = bfin_read_emudat();
-
-	if (!inbound_len) {
-		inbound_len = emudat;
-		return 0;
-	}
-
-	ret = min(inbound_len, (uint32_t)4);
-	memcpy(buf, &emudat, ret);
-	inbound_len -= ret;
-
-	return ret;
-}
-
-/* Glue the HVC layers to the Blackfin layers */
-static const struct hv_ops hvc_bfin_get_put_ops = {
-	.get_chars = hvc_bfin_get_chars,
-	.put_chars = hvc_bfin_put_chars,
-};
-
-static int __init hvc_bfin_console_init(void)
-{
-	hvc_instantiate(0, 0, &hvc_bfin_get_put_ops);
-	return 0;
-}
-console_initcall(hvc_bfin_console_init);
-
-static int __init hvc_bfin_init(void)
-{
-	hvc_alloc(0, 0, &hvc_bfin_get_put_ops, 128);
-	return 0;
-}
-device_initcall(hvc_bfin_init);