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path: root/drivers/net/bcm-sf2-eth.c
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Diffstat (limited to 'drivers/net/bcm-sf2-eth.c')
-rw-r--r--drivers/net/bcm-sf2-eth.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/drivers/net/bcm-sf2-eth.c b/drivers/net/bcm-sf2-eth.c
deleted file mode 100644
index c10719c6b51..00000000000
--- a/drivers/net/bcm-sf2-eth.c
+++ /dev/null
@@ -1,274 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2014 Broadcom Corporation.
- */
-
-#include <log.h>
-#include <malloc.h>
-#include <net.h>
-#include <config.h>
-#include <linux/delay.h>
-#include <linux/printk.h>
-
-#include <phy.h>
-#include <miiphy.h>
-
-#include <asm/io.h>
-
-#include <netdev.h>
-#include "bcm-sf2-eth.h"
-
-#if defined(CONFIG_BCM_SF2_ETH_GMAC)
-#include "bcm-sf2-eth-gmac.h"
-#else
-#error "bcm_sf2_eth: NEED to define a MAC!"
-#endif
-
-#define BCM_NET_MODULE_DESCRIPTION "Broadcom Starfighter2 Ethernet driver"
-#define BCM_NET_MODULE_VERSION "0.1"
-#define BCM_SF2_ETH_DEV_NAME "bcm_sf2"
-
-static const char banner[] =
- BCM_NET_MODULE_DESCRIPTION " " BCM_NET_MODULE_VERSION "\n";
-
-static int bcm_sf2_eth_init(struct eth_device *dev)
-{
- struct eth_info *eth = (struct eth_info *)(dev->priv);
- struct eth_dma *dma = &(eth->dma);
- struct phy_device *phydev;
- int rc = 0;
- int i;
-
- rc = eth->mac_init(dev);
- if (rc) {
- pr_err("%s: Couldn't cofigure MAC!\n", __func__);
- return rc;
- }
-
- /* disable DMA */
- dma->disable_dma(dma, MAC_DMA_RX);
- dma->disable_dma(dma, MAC_DMA_TX);
-
- eth->port_num = 0;
- debug("Connecting PHY 0...\n");
- phydev = phy_connect(miiphy_get_dev_by_name(dev->name),
- -1, dev, eth->phy_interface);
- if (phydev != NULL) {
- eth->port[0] = phydev;
- eth->port_num += 1;
- } else {
- debug("No PHY found for port 0\n");
- }
-
- for (i = 0; i < eth->port_num; i++)
- phy_config(eth->port[i]);
-
- return rc;
-}
-
-/*
- * u-boot net functions
- */
-
-static int bcm_sf2_eth_send(struct eth_device *dev, void *packet, int length)
-{
- struct eth_dma *dma = &(((struct eth_info *)(dev->priv))->dma);
- uint8_t *buf = (uint8_t *)packet;
- int rc = 0;
- int i = 0;
-
- debug("%s enter\n", __func__);
-
- /* load buf and start transmit */
- rc = dma->tx_packet(dma, buf, length);
- if (rc) {
- debug("ERROR - Tx failed\n");
- return rc;
- }
-
- while (!(dma->check_tx_done(dma))) {
- udelay(100);
- debug(".");
- i++;
- if (i > 20) {
- pr_err("%s: Tx timeout: retried 20 times\n", __func__);
- rc = -1;
- break;
- }
- }
-
- debug("%s exit rc(0x%x)\n", __func__, rc);
- return rc;
-}
-
-static int bcm_sf2_eth_receive(struct eth_device *dev)
-{
- struct eth_dma *dma = &(((struct eth_info *)(dev->priv))->dma);
- uint8_t *buf = (uint8_t *)net_rx_packets[0];
- int rcvlen;
- int rc = 0;
- int i = 0;
-
- while (1) {
- /* Poll Rx queue to get a packet */
- rcvlen = dma->check_rx_done(dma, buf);
- if (rcvlen < 0) {
- /* No packet received */
- rc = -1;
- debug("\nNO More Rx\n");
- break;
- } else if ((rcvlen == 0) || (rcvlen > RX_BUF_SIZE)) {
- pr_err("%s: Wrong Ethernet packet size (%d B), skip!\n",
- __func__, rcvlen);
- break;
- } else {
- debug("recieved\n");
-
- /* Forward received packet to uboot network handler */
- net_process_received_packet(buf, rcvlen);
-
- if (++i >= PKTBUFSRX)
- i = 0;
- buf = net_rx_packets[i];
- }
- }
-
- return rc;
-}
-
-static int bcm_sf2_eth_write_hwaddr(struct eth_device *dev)
-{
- struct eth_info *eth = (struct eth_info *)(dev->priv);
-
- printf(" ETH MAC: %02x:%02x:%02x:%02x:%02x:%02x\n",
- dev->enetaddr[0], dev->enetaddr[1], dev->enetaddr[2],
- dev->enetaddr[3], dev->enetaddr[4], dev->enetaddr[5]);
-
- return eth->set_mac_addr(dev->enetaddr);
-}
-
-static int bcm_sf2_eth_open(struct eth_device *dev, struct bd_info *bt)
-{
- struct eth_info *eth = (struct eth_info *)(dev->priv);
- struct eth_dma *dma = &(eth->dma);
- int i;
-
- debug("Enabling BCM SF2 Ethernet.\n");
-
- eth->enable_mac();
-
- /* enable tx and rx DMA */
- dma->enable_dma(dma, MAC_DMA_RX);
- dma->enable_dma(dma, MAC_DMA_TX);
-
- /*
- * Need to start PHY here because link speed can change
- * before each ethernet operation
- */
- for (i = 0; i < eth->port_num; i++) {
- if (phy_startup(eth->port[i])) {
- pr_err("%s: PHY %d startup failed!\n", __func__, i);
- if (i == CONFIG_BCM_SF2_ETH_DEFAULT_PORT) {
- pr_err("%s: No default port %d!\n", __func__, i);
- return -1;
- }
- }
- }
-
- /* Set MAC speed using default port */
- i = CONFIG_BCM_SF2_ETH_DEFAULT_PORT;
- debug("PHY %d: speed:%d, duplex:%d, link:%d\n", i,
- eth->port[i]->speed, eth->port[i]->duplex, eth->port[i]->link);
- eth->set_mac_speed(eth->port[i]->speed, eth->port[i]->duplex);
-
- debug("Enable Ethernet Done.\n");
-
- return 0;
-}
-
-static void bcm_sf2_eth_close(struct eth_device *dev)
-{
- struct eth_info *eth = (struct eth_info *)(dev->priv);
- struct eth_dma *dma = &(eth->dma);
-
- /* disable DMA */
- dma->disable_dma(dma, MAC_DMA_RX);
- dma->disable_dma(dma, MAC_DMA_TX);
-
- eth->disable_mac();
-}
-
-int bcm_sf2_eth_register(struct bd_info *bis, u8 dev_num)
-{
- struct eth_device *dev;
- struct eth_info *eth;
- int rc;
-
- dev = (struct eth_device *)malloc(sizeof(struct eth_device));
- if (dev == NULL) {
- pr_err("%s: Not enough memory!\n", __func__);
- return -1;
- }
-
- eth = (struct eth_info *)malloc(sizeof(struct eth_info));
- if (eth == NULL) {
- pr_err("%s: Not enough memory!\n", __func__);
- return -1;
- }
-
- printf(banner);
-
- memset(dev, 0, sizeof(*dev));
- sprintf(dev->name, "%s_%s-%hu", BCM_SF2_ETH_DEV_NAME,
- BCM_SF2_ETH_MAC_NAME, dev_num);
-
- dev->priv = (void *)eth;
- dev->iobase = 0;
-
- dev->init = bcm_sf2_eth_open;
- dev->halt = bcm_sf2_eth_close;
- dev->send = bcm_sf2_eth_send;
- dev->recv = bcm_sf2_eth_receive;
- dev->write_hwaddr = bcm_sf2_eth_write_hwaddr;
-
-#ifdef CONFIG_BCM_SF2_ETH_GMAC
- if (gmac_add(dev)) {
- free(eth);
- free(dev);
- pr_err("%s: Adding GMAC failed!\n", __func__);
- return -1;
- }
-#else
-#error "bcm_sf2_eth: NEED to register a MAC!"
-#endif
-
- eth_register(dev);
-
-#ifdef CONFIG_CMD_MII
- int retval;
- struct mii_dev *mdiodev = mdio_alloc();
-
- if (!mdiodev)
- return -ENOMEM;
- strlcpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
- mdiodev->read = eth->miiphy_read;
- mdiodev->write = eth->miiphy_write;
-
- retval = mdio_register(mdiodev);
- if (retval < 0)
- return retval;
-#endif
-
- /* Initialization */
- debug("Ethernet initialization ...");
-
- rc = bcm_sf2_eth_init(dev);
- if (rc != 0) {
- pr_err("%s: configuration failed!\n", __func__);
- return -1;
- }
-
- printf("Basic ethernet functionality initialized\n");
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-03 23:38:42 +0000