1 files changed, 0 insertions, 141 deletions
diff --git a/board/gdsys/common/mclink.c b/board/gdsys/common/mclink.c
deleted file mode 100644
index 6147fbfc87..0000000000
--- a/board/gdsys/common/mclink.c
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2012
- * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
- */
-
-#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
-
-#include <common.h>
-#include <asm/io.h>
-#include <errno.h>
-
-#include <gdsys_fpga.h>
-#include <linux/delay.h>
-
-enum {
-	MCINT_SLAVE_LINK_CHANGED_EV = 1 << 7,
-	MCINT_TX_ERROR_EV = 1 << 9,
-	MCINT_TX_BUFFER_FREE = 1 << 10,
-	MCINT_TX_PACKET_TRANSMITTED_EV = 1 << 11,
-	MCINT_RX_ERROR_EV = 1 << 13,
-	MCINT_RX_CONTENT_AVAILABLE = 1 << 14,
-	MCINT_RX_PACKET_RECEIVED_EV = 1 << 15,
-};
-
-int mclink_probe(void)
-{
-	unsigned int k;
-	int slaves = 0;
-
-	for (k = 0; k < CONFIG_SYS_MCLINK_MAX; ++k) {
-		int timeout = 0;
-		unsigned int ctr = 0;
-		u16 mc_status;
-
-		FPGA_GET_REG(k, mc_status, &mc_status);
-
-		if (!(mc_status & (1 << 15)))
-			break;
-
-		FPGA_SET_REG(k, mc_control, 0x8000);
-
-		FPGA_GET_REG(k, mc_status, &mc_status);
-		while (!(mc_status & (1 << 14))) {
-			udelay(100);
-			if (ctr++ > 500) {
-				timeout = 1;
-				break;
-			}
-			FPGA_GET_REG(k, mc_status, &mc_status);
-		}
-		if (timeout)
-			break;
-
-		printf("waited %d us for mclink %d to come up\n", ctr * 100, k);
-
-		slaves++;
-	}
-
-	return slaves;
-}
-
-int mclink_send(u8 slave, u16 addr, u16 data)
-{
-	unsigned int ctr = 0;
-	u16 int_status;
-	u16 rx_cmd_status;
-	u16 rx_cmd;
-
-	/* reset interrupt status */
-	FPGA_GET_REG(0, mc_int, &int_status);
-	FPGA_SET_REG(0, mc_int, int_status);
-
-	/* send */
-	FPGA_SET_REG(0, mc_tx_address, addr);
-	FPGA_SET_REG(0, mc_tx_data, data);
-	FPGA_SET_REG(0, mc_tx_cmd, (slave & 0x03) << 14);
-	FPGA_SET_REG(0, mc_control, 0x8001);
-
-	/* wait for reply */
-	FPGA_GET_REG(0, mc_int, &int_status);
-	while (!(int_status & MCINT_RX_PACKET_RECEIVED_EV)) {
-		udelay(100);
-		if (ctr++ > 3)
-			return -ETIMEDOUT;
-		FPGA_GET_REG(0, mc_int, &int_status);
-	}
-
-	FPGA_GET_REG(0, mc_rx_cmd_status, &rx_cmd_status);
-	rx_cmd = (rx_cmd_status >> 12) & 0x03;
-	if (rx_cmd != 0)
-		printf("mclink_send: received cmd %d, expected %d\n", rx_cmd,
-		       0);
-
-	return 0;
-}
-
-int mclink_receive(u8 slave, u16 addr, u16 *data)
-{
-	u16 rx_cmd_status;
-	u16 rx_cmd;
-	u16 int_status;
-	unsigned int ctr = 0;
-
-	/* send read request */
-	FPGA_SET_REG(0, mc_tx_address, addr);
-	FPGA_SET_REG(0, mc_tx_cmd,
-		     ((slave & 0x03) << 14) | (1 << 12) | (1 << 0));
-	FPGA_SET_REG(0, mc_control, 0x8001);
-
-
-	/* wait for reply */
-	FPGA_GET_REG(0, mc_int, &int_status);
-	while (!(int_status & MCINT_RX_CONTENT_AVAILABLE)) {
-		udelay(100);
-		if (ctr++ > 3)
-			return -ETIMEDOUT;
-		FPGA_GET_REG(0, mc_int, &int_status);
-	}
-
-	/* check reply */
-	FPGA_GET_REG(0, mc_rx_cmd_status, &rx_cmd_status);
-	if ((rx_cmd_status >> 14) != slave) {
-		printf("mclink_receive: reply from slave %d, expected %d\n",
-		       rx_cmd_status >> 14, slave);
-		return -EINVAL;
-	}
-
-	rx_cmd = (rx_cmd_status >> 12) & 0x03;
-	if (rx_cmd != 1) {
-		printf("mclink_send: received cmd %d, expected %d\n",
-		       rx_cmd, 1);
-		return -EIO;
-	}
-
-	FPGA_GET_REG(0, mc_rx_data, data);
-
-	return 0;
-}
-
-#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */