Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 282 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/drivers/net/smc911x.c b/qemu/roms/u-boot/drivers/net/smc911x.c
new file mode 100644
index 000000000..b097c1a56
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/smc911x.c
@@ -0,0 +1,282 @@
+/*
+ * SMSC LAN9[12]1[567] Network driver
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <net.h>
+#include <miiphy.h>
+
+#include "smc911x.h"
+
+u32 pkt_data_pull(struct eth_device *dev, u32 addr) \
+	__attribute__ ((weak, alias ("smc911x_reg_read")));
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) \
+	__attribute__ ((weak, alias ("smc911x_reg_write")));
+
+static void smc911x_handle_mac_address(struct eth_device *dev)
+{
+	unsigned long addrh, addrl;
+	uchar *m = dev->enetaddr;
+
+	addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
+	addrh = m[4] | (m[5] << 8);
+	smc911x_set_mac_csr(dev, ADDRL, addrl);
+	smc911x_set_mac_csr(dev, ADDRH, addrh);
+
+	printf(DRIVERNAME ": MAC %pM\n", m);
+}
+
+static int smc911x_eth_phy_read(struct eth_device *dev,
+				u8 phy, u8 reg, u16 *val)
+{
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
+		;
+
+	smc911x_set_mac_csr(dev, MII_ACC, phy << 11 | reg << 6 |
+				MII_ACC_MII_BUSY);
+
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
+		;
+
+	*val = smc911x_get_mac_csr(dev, MII_DATA);
+
+	return 0;
+}
+
+static int smc911x_eth_phy_write(struct eth_device *dev,
+				u8 phy, u8 reg, u16  val)
+{
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
+		;
+
+	smc911x_set_mac_csr(dev, MII_DATA, val);
+	smc911x_set_mac_csr(dev, MII_ACC,
+		phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE);
+
+	while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
+		;
+	return 0;
+}
+
+static int smc911x_phy_reset(struct eth_device *dev)
+{
+	u32 reg;
+
+	reg = smc911x_reg_read(dev, PMT_CTRL);
+	reg &= ~0xfffff030;
+	reg |= PMT_CTRL_PHY_RST;
+	smc911x_reg_write(dev, PMT_CTRL, reg);
+
+	mdelay(100);
+
+	return 0;
+}
+
+static void smc911x_phy_configure(struct eth_device *dev)
+{
+	int timeout;
+	u16 status;
+
+	smc911x_phy_reset(dev);
+
+	smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_RESET);
+	mdelay(1);
+	smc911x_eth_phy_write(dev, 1, MII_ADVERTISE, 0x01e1);
+	smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_ANENABLE |
+				BMCR_ANRESTART);
+
+	timeout = 5000;
+	do {
+		mdelay(1);
+		if ((timeout--) == 0)
+			goto err_out;
+
+		if (smc911x_eth_phy_read(dev, 1, MII_BMSR, &status) != 0)
+			goto err_out;
+	} while (!(status & BMSR_LSTATUS));
+
+	printf(DRIVERNAME ": phy initialized\n");
+
+	return;
+
+err_out:
+	printf(DRIVERNAME ": autonegotiation timed out\n");
+}
+
+static void smc911x_enable(struct eth_device *dev)
+{
+	/* Enable TX */
+	smc911x_reg_write(dev, HW_CFG, 8 << 16 | HW_CFG_SF);
+
+	smc911x_reg_write(dev, GPT_CFG, GPT_CFG_TIMER_EN | 10000);
+
+	smc911x_reg_write(dev, TX_CFG, TX_CFG_TX_ON);
+
+	/* no padding to start of packets */
+	smc911x_reg_write(dev, RX_CFG, 0);
+
+	smc911x_set_mac_csr(dev, MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN |
+				MAC_CR_HBDIS);
+
+}
+
+static int smc911x_init(struct eth_device *dev, bd_t * bd)
+{
+	struct chip_id *id = dev->priv;
+
+	printf(DRIVERNAME ": detected %s controller\n", id->name);
+
+	smc911x_reset(dev);
+
+	/* Configure the PHY, initialize the link state */
+	smc911x_phy_configure(dev);
+
+	smc911x_handle_mac_address(dev);
+
+	/* Turn on Tx + Rx */
+	smc911x_enable(dev);
+
+	return 0;
+}
+
+static int smc911x_send(struct eth_device *dev, void *packet, int length)
+{
+	u32 *data = (u32*)packet;
+	u32 tmplen;
+	u32 status;
+
+	smc911x_reg_write(dev, TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG |
+				TX_CMD_A_INT_LAST_SEG | length);
+	smc911x_reg_write(dev, TX_DATA_FIFO, length);
+
+	tmplen = (length + 3) / 4;
+
+	while (tmplen--)
+		pkt_data_push(dev, TX_DATA_FIFO, *data++);
+
+	/* wait for transmission */
+	while (!((smc911x_reg_read(dev, TX_FIFO_INF) &
+					TX_FIFO_INF_TSUSED) >> 16));
+
+	/* get status. Ignore 'no carrier' error, it has no meaning for
+	 * full duplex operation
+	 */
+	status = smc911x_reg_read(dev, TX_STATUS_FIFO) &
+			(TX_STS_LOC | TX_STS_LATE_COLL | TX_STS_MANY_COLL |
+			TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
+
+	if (!status)
+		return 0;
+
+	printf(DRIVERNAME ": failed to send packet: %s%s%s%s%s\n",
+		status & TX_STS_LOC ? "TX_STS_LOC " : "",
+		status & TX_STS_LATE_COLL ? "TX_STS_LATE_COLL " : "",
+		status & TX_STS_MANY_COLL ? "TX_STS_MANY_COLL " : "",
+		status & TX_STS_MANY_DEFER ? "TX_STS_MANY_DEFER " : "",
+		status & TX_STS_UNDERRUN ? "TX_STS_UNDERRUN" : "");
+
+	return -1;
+}
+
+static void smc911x_halt(struct eth_device *dev)
+{
+	smc911x_reset(dev);
+}
+
+static int smc911x_rx(struct eth_device *dev)
+{
+	u32 *data = (u32 *)NetRxPackets[0];
+	u32 pktlen, tmplen;
+	u32 status;
+
+	if ((smc911x_reg_read(dev, RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
+		status = smc911x_reg_read(dev, RX_STATUS_FIFO);
+		pktlen = (status & RX_STS_PKT_LEN) >> 16;
+
+		smc911x_reg_write(dev, RX_CFG, 0);
+
+		tmplen = (pktlen + 3) / 4;
+		while (tmplen--)
+			*data++ = pkt_data_pull(dev, RX_DATA_FIFO);
+
+		if (status & RX_STS_ES)
+			printf(DRIVERNAME
+				": dropped bad packet. Status: 0x%08x\n",
+				status);
+		else
+			NetReceive(NetRxPackets[0], pktlen);
+	}
+
+	return 0;
+}
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+/* wrapper for smc911x_eth_phy_read */
+static int smc911x_miiphy_read(const char *devname, u8 phy, u8 reg, u16 *val)
+{
+	struct eth_device *dev = eth_get_dev_by_name(devname);
+	if (dev)
+		return smc911x_eth_phy_read(dev, phy, reg, val);
+	return -1;
+}
+/* wrapper for smc911x_eth_phy_write */
+static int smc911x_miiphy_write(const char *devname, u8 phy, u8 reg, u16 val)
+{
+	struct eth_device *dev = eth_get_dev_by_name(devname);
+	if (dev)
+		return smc911x_eth_phy_write(dev, phy, reg, val);
+	return -1;
+}
+#endif
+
+int smc911x_initialize(u8 dev_num, int base_addr)
+{
+	unsigned long addrl, addrh;
+	struct eth_device *dev;
+
+	dev = malloc(sizeof(*dev));
+	if (!dev) {
+		return -1;
+	}
+	memset(dev, 0, sizeof(*dev));
+
+	dev->iobase = base_addr;
+
+	/* Try to detect chip. Will fail if not present. */
+	if (smc911x_detect_chip(dev)) {
+		free(dev);
+		return 0;
+	}
+
+	addrh = smc911x_get_mac_csr(dev, ADDRH);
+	addrl = smc911x_get_mac_csr(dev, ADDRL);
+	if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
+		/* address is obtained from optional eeprom */
+		dev->enetaddr[0] = addrl;
+		dev->enetaddr[1] = addrl >>  8;
+		dev->enetaddr[2] = addrl >> 16;
+		dev->enetaddr[3] = addrl >> 24;
+		dev->enetaddr[4] = addrh;
+		dev->enetaddr[5] = addrh >> 8;
+	}
+
+	dev->init = smc911x_init;
+	dev->halt = smc911x_halt;
+	dev->send = smc911x_send;
+	dev->recv = smc911x_rx;
+	sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
+
+	eth_register(dev);
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+	miiphy_register(dev->name, smc911x_miiphy_read, smc911x_miiphy_write);
+#endif
+
+	return 1;
+}