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authorKevin2014-11-15 11:48:36 +0800
committerKevin2014-11-15 11:48:36 +0800
commitd04075478d378d9e15f3e1abfd14b0bd124077d4 (patch)
tree733dd964582f388b9e3e367c249946cd32a2851f /net/eth.c
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init commit via android 4.4 uboot
Diffstat (limited to 'net/eth.c')
-rwxr-xr-xnet/eth.c621
1 files changed, 621 insertions, 0 deletions
diff --git a/net/eth.c b/net/eth.c
new file mode 100755
index 0000000..4bf3425
--- /dev/null
+++ b/net/eth.c
@@ -0,0 +1,621 @@
+/*
+ * (C) Copyright 2001-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * Copyright (c) 2008 WonderMedia Technologies, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * WonderMedia Technologies, Inc.
+ * 10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <net.h>
+#include <miiphy.h>
+
+void eth_parse_enetaddr(const char *addr, uchar *enetaddr)
+{
+ char *end;
+ int i;
+
+ for (i = 0; i < 6; ++i) {
+ enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
+ if (addr)
+ addr = (*end) ? end + 1 : end;
+ }
+}
+
+int eth_getenv_enetaddr(char *name, uchar *enetaddr)
+{
+ eth_parse_enetaddr(getenv(name), enetaddr);
+ return is_valid_ether_addr(enetaddr);
+}
+/*
+int eth_setenv_enetaddr(char *name, const uchar *enetaddr)
+{
+ char buf[20];
+
+ sprintf(buf, "%pM", enetaddr);
+
+ return setenv(name, buf);
+}
+*/
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
+
+#ifdef CFG_GT_6426x
+extern int gt6426x_eth_initialize(bd_t *bis);
+#endif
+
+extern int au1x00_enet_initialize(bd_t *);
+extern int dc21x4x_initialize(bd_t *);
+extern int e1000_initialize(bd_t *);
+extern int eepro100_initialize(bd_t *);
+
+int eth_getenv_enetaddr_by_index(const char *base_name, int index,
+ uchar *enetaddr)
+{
+
+ char enetvar[32];
+ sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
+ return eth_getenv_enetaddr(enetvar, enetaddr);
+}
+static int eth_mac_skip(int index)
+{
+
+ char enetvar[15];
+ char *skip_state;
+ sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index);
+ return ((skip_state = getenv(enetvar)) != NULL);
+}
+extern int eth_3com_initialize(bd_t *);
+extern int fec_initialize(bd_t *);
+extern int inca_switch_initialize(bd_t *);
+extern int mpc5xxx_fec_initialize(bd_t *);
+extern int mpc8220_fec_initialize(bd_t *);
+extern int mv6436x_eth_initialize(bd_t *);
+extern int mv6446x_eth_initialize(bd_t *);
+extern int natsemi_initialize(bd_t *);
+extern int ns8382x_initialize(bd_t *);
+extern int pcnet_initialize(bd_t *);
+extern int plb2800_eth_initialize(bd_t *);
+extern int ppc_4xx_eth_initialize(bd_t *);
+extern int rtl8139_initialize(bd_t *);
+extern int rtl8169_initialize(bd_t *);
+extern int scc_initialize(bd_t *);
+extern int skge_initialize(bd_t *);
+extern int tsec_initialize(bd_t *, int, char *);
+
+static struct eth_device *eth_devices, *eth_current;
+
+struct eth_device *eth_get_dev(void)
+{
+
+ return eth_current;
+}
+
+struct eth_device *eth_get_dev_by_name(char *devname)
+{
+ struct eth_device *dev, *target_dev;
+
+ if (!eth_devices)
+ return NULL;
+
+ dev = eth_devices;
+ target_dev = NULL;
+ do {
+ if (strcmp(devname, dev->name) == 0) {
+ target_dev = dev;
+ break;
+ }
+ dev = dev->next;
+ } while (dev != eth_devices);
+
+ return target_dev;
+}
+
+struct eth_device *eth_get_dev_by_index(int index)
+{
+ struct eth_device *dev, *target_dev;
+ int idx = 0;
+
+ if (!eth_devices)
+ return NULL;
+
+ dev = eth_devices;
+ target_dev = NULL;
+ do {
+ if (idx == index) {
+ target_dev = dev;
+ break;
+ }
+ dev = dev->next;
+ idx++;
+ } while (dev != eth_devices);
+
+ return target_dev;
+}
+int eth_get_dev_index(void)
+{
+ struct eth_device *dev;
+ int num = 0;
+
+ if (!eth_devices)
+ return -1;
+
+ for (dev = eth_devices; dev; dev = dev->next) {
+ if (dev == eth_current)
+ break;
+ ++num;
+ }
+
+ if (dev)
+ return num;
+
+ return 0;
+}
+
+static void eth_current_changed(void)
+{
+#ifdef CONFIG_NET_MULTI
+
+ {
+ char *act = getenv("ethact");
+ /* update current ethernet name */
+ if (eth_current)
+ {
+ if (act == NULL || strcmp(act, eth_current->name) != 0)
+ setenv("ethact", eth_current->name);
+ }
+ /*
+ * remove the variable completely if there is no active
+ * interface
+ */
+ else if (act != NULL)
+ setenv("ethact", NULL);
+ }
+#endif
+}
+
+int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
+ int eth_number)
+{
+ unsigned char env_enetaddr[6];
+ int ret = 0;
+
+ if (!eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr))
+ return -1;
+ printf("%s:1\n",__FUNCTION__);
+
+ if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
+ if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
+ memcmp(dev->enetaddr, env_enetaddr, 6)) {
+ printf("\nWarning: %s MAC addresses don't match:\n",
+ dev->name);
+ printf("Address in SROM is %pM\n",
+ dev->enetaddr);
+ printf("Address in environment is %pM\n",
+ env_enetaddr);
+ }
+
+ memcpy(dev->enetaddr, env_enetaddr, 6);
+ }
+
+ if (dev->write_hwaddr &&
+ !eth_mac_skip(eth_number) &&
+ is_valid_ether_addr(dev->enetaddr)) {
+ ret = dev->write_hwaddr(dev);
+ }
+
+ return ret;
+}
+
+int eth_register(struct eth_device *dev)
+{
+ struct eth_device *d;
+ eth_devices = NULL;
+ eth_current = NULL;
+
+ size_t len = strlen(dev->name);
+ if (len >= NAMESIZE) {
+ printf("Network driver name is too long (%zu >= %zu): %s\n",
+ len, NAMESIZE, dev->name);
+ return -1;
+ }
+
+ if (!eth_devices) {
+ eth_current = eth_devices = dev;
+ eth_current_changed();
+ } else {
+ for (d=eth_devices; d->next!=eth_devices; d=d->next)
+ ;
+ d->next = dev;
+ }
+
+ dev->state = ETH_STATE_INIT;
+ dev->next = eth_devices;
+
+ return 0;
+}
+
+int eth_initialize(bd_t *bis)
+{
+ char enetvar[32], env_enetaddr[6];
+ int i, eth_number = 0;
+ char *tmp, *end;
+
+ eth_devices = NULL;
+ eth_current = NULL;
+
+#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+ miiphy_init();
+#endif
+
+#ifdef CONFIG_DB64360
+ mv6436x_eth_initialize(bis);
+#endif
+#ifdef CONFIG_CPCI750
+ mv6436x_eth_initialize(bis);
+#endif
+#ifdef CONFIG_DB64460
+ mv6446x_eth_initialize(bis);
+#endif
+#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
+ ppc_4xx_eth_initialize(bis);
+#endif
+#ifdef CONFIG_INCA_IP_SWITCH
+ inca_switch_initialize(bis);
+#endif
+#ifdef CONFIG_PLB2800_ETHER
+ plb2800_eth_initialize(bis);
+#endif
+#ifdef SCC_ENET
+ scc_initialize(bis);
+#endif
+#if defined(CONFIG_MPC5xxx_FEC)
+ mpc5xxx_fec_initialize(bis);
+#endif
+#if defined(CONFIG_MPC8220_FEC)
+ mpc8220_fec_initialize(bis);
+#endif
+#if defined(CONFIG_SK98)
+ skge_initialize(bis);
+#endif
+#if defined(CONFIG_MPC85XX_TSEC1)
+ tsec_initialize(bis, 0, CONFIG_MPC85XX_TSEC1_NAME);
+#elif defined(CONFIG_MPC83XX_TSEC1)
+ tsec_initialize(bis, 0, CONFIG_MPC83XX_TSEC1_NAME);
+#endif
+#if defined(CONFIG_MPC85XX_TSEC2)
+ tsec_initialize(bis, 1, CONFIG_MPC85XX_TSEC2_NAME);
+#elif defined(CONFIG_MPC83XX_TSEC2)
+ tsec_initialize(bis, 1, CONFIG_MPC83XX_TSEC2_NAME);
+#endif
+#if defined(CONFIG_MPC85XX_FEC)
+ tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
+#else
+# if defined(CONFIG_MPC85XX_TSEC3)
+ tsec_initialize(bis, 2, CONFIG_MPC85XX_TSEC3_NAME);
+# elif defined(CONFIG_MPC83XX_TSEC3)
+ tsec_initialize(bis, 2, CONFIG_MPC83XX_TSEC3_NAME);
+# endif
+# if defined(CONFIG_MPC85XX_TSEC4)
+ tsec_initialize(bis, 3, CONFIG_MPC85XX_TSEC4_NAME);
+# elif defined(CONFIG_MPC83XX_TSEC4)
+ tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME);
+# endif
+#endif
+#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
+ fec_initialize(bis);
+#endif
+#if defined(CONFIG_AU1X00)
+ au1x00_enet_initialize(bis);
+#endif
+#ifdef CONFIG_E1000
+ e1000_initialize(bis);
+#endif
+#ifdef CONFIG_EEPRO100
+ eepro100_initialize(bis);
+#endif
+#ifdef CONFIG_TULIP
+ dc21x4x_initialize(bis);
+#endif
+#ifdef CONFIG_3COM
+ eth_3com_initialize(bis);
+#endif
+#ifdef CONFIG_PCNET
+ pcnet_initialize(bis);
+#endif
+#ifdef CFG_GT_6426x
+ gt6426x_eth_initialize(bis);
+#endif
+#ifdef CONFIG_NATSEMI
+ natsemi_initialize(bis);
+#endif
+#ifdef CONFIG_NS8382X
+ ns8382x_initialize(bis);
+#endif
+#if defined(CONFIG_RTL8139)
+ rtl8139_initialize(bis);
+#endif
+#if defined(CONFIG_RTL8169)
+ rtl8169_initialize(bis);
+#endif
+
+ if (!eth_devices) {
+ puts("No ethernet found.\n");
+ } else {
+ struct eth_device *dev = eth_devices;
+ char *ethprime = getenv("ethprime");
+
+ do {
+ if (eth_number)
+ puts(", ");
+
+ printf("%s", dev->name);
+
+ if (ethprime && strcmp(dev->name, ethprime) == 0) {
+ eth_current = dev;
+ puts(" [PRIME]");
+ }
+
+ sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
+ tmp = getenv(enetvar);
+
+ for (i = 0; i < 6; i++) {
+ env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
+ if (tmp)
+ tmp = (*end) ? end+1 : end;
+ }
+
+ if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
+ if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
+ memcmp(dev->enetaddr, env_enetaddr, 6)) {
+ printf("\nWarning: %s MAC addresses don't match:\n",
+ dev->name);
+ printf("Address in SROM is "
+ "%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]);
+ printf("Address in environment is "
+ "%02X:%02X:%02X:%02X:%02X:%02X\n",
+ env_enetaddr[0], env_enetaddr[1],
+ env_enetaddr[2], env_enetaddr[3],
+ env_enetaddr[4], env_enetaddr[5]);
+ }
+
+ memcpy(dev->enetaddr, env_enetaddr, 6);
+ }
+
+ eth_number++;
+ dev = dev->next;
+ } while (dev != eth_devices);
+
+#ifdef CONFIG_NET_MULTI
+ /* update current ethernet name */
+ if (eth_current) {
+ char *act = getenv("ethact");
+ if (act == NULL || strcmp(act, eth_current->name) != 0)
+ setenv("ethact", eth_current->name);
+ } else
+ setenv("ethact", NULL);
+#endif
+
+ putc('\n');
+ }
+
+ return eth_number;
+}
+
+void eth_set_enetaddr(int num, char *addr)
+{
+ struct eth_device *dev;
+ unsigned char enetaddr[6];
+ char *end;
+ int i;
+
+ debug("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
+
+ if (!eth_devices)
+ return;
+
+ for (i = 0; i < 6; i++) {
+ enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
+ if (addr)
+ addr = (*end) ? end+1 : end;
+ }
+
+ dev = eth_devices;
+ while (num-- > 0) {
+ dev = dev->next;
+
+ if (dev == eth_devices)
+ return;
+ }
+
+ debug("Setting new HW address on %s\n"
+ "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
+ dev->name,
+ enetaddr[0], enetaddr[1],
+ enetaddr[2], enetaddr[3],
+ enetaddr[4], enetaddr[5]);
+
+ memcpy(dev->enetaddr, enetaddr, 6);
+}
+#ifndef CONFIG_DRIVER_ETHER
+
+int eth_init(bd_t *bis)
+{
+ int eth_number;
+ struct eth_device *old_current, *dev;
+
+ if (!eth_current) {
+ puts ("No ethernet found.\n");
+ return -1;
+ }
+
+ /* Sync environment with network devices */
+ eth_number = 0;
+ dev = eth_devices;
+ do {
+ uchar env_enetaddr[6];
+
+ if (eth_getenv_enetaddr_by_index("eth", eth_number,
+ env_enetaddr))
+ memcpy(dev->enetaddr, env_enetaddr, 6);
+
+ ++eth_number;
+ dev = dev->next;
+ } while (dev != eth_devices);
+
+ old_current = eth_current;
+ do {
+ debug("Trying %s\n", eth_current->name);
+
+ if (eth_current->init(eth_current,bis) >= 0) {
+ eth_current->state = ETH_STATE_ACTIVE;
+
+ return 0;
+ }
+ debug("FAIL\n");
+
+ eth_try_another(0);
+ } while (old_current != eth_current);
+
+ return -1;
+}
+
+void eth_halt(void)
+{
+
+ if (!eth_current)
+ return;
+
+ eth_current->halt(eth_current);
+
+ eth_current->state = ETH_STATE_PASSIVE;
+}
+
+int eth_send(volatile void *packet, int length)
+{
+
+ if (!eth_current)
+ return -1;
+
+ return eth_current->send(eth_current, packet, length);
+}
+
+int eth_rx(void)
+{
+
+ if (!eth_current)
+ return -1;
+
+ return eth_current->recv(eth_current);
+}
+
+#endif
+void eth_try_another(int first_restart)
+{
+ static struct eth_device *first_failed = NULL;
+ char *ethrotate;
+
+ /*
+ * Do not rotate between network interfaces when
+ * 'ethrotate' variable is set to 'no'.
+ */
+ if (((ethrotate = getenv ("ethrotate")) != NULL) &&
+ (strcmp(ethrotate, "no") == 0))
+ return;
+
+ if (!eth_current)
+ return;
+
+ if (first_restart) {
+ first_failed = eth_current;
+ }
+
+ eth_current = eth_current->next;
+
+ eth_current_changed();
+
+ if (first_failed == eth_current) {
+ NetRestartWrap = 1;
+ }
+}
+
+void eth_set_current(void)
+{
+ char *act;
+ struct eth_device *old_current;
+
+ if (!eth_current) /* XXX no current */
+ return;
+
+ act = getenv("ethact");
+ if (act != NULL) {
+ old_current = eth_current;
+ do {
+ if (strcmp(eth_current->name, act) == 0)
+ return;
+ eth_current = eth_current->next;
+ } while (old_current != eth_current);
+ }
+
+ setenv("ethact", eth_current->name);
+}
+
+char *eth_get_name (void)
+{
+
+ return (eth_current ? eth_current->name : "unknown");
+}
+#elif (CONFIG_COMMANDS & CFG_CMD_NET) && !defined(CONFIG_NET_MULTI)
+
+extern int at91rm9200_miiphy_initialize(bd_t *bis);
+extern int emac4xx_miiphy_initialize(bd_t *bis);
+extern int mcf52x2_miiphy_initialize(bd_t *bis);
+extern int ns7520_miiphy_initialize(bd_t *bis);
+extern int wmt_miiphy_initialize(bd_t *bis);
+
+int eth_initialize(bd_t *bis)
+{
+#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+ miiphy_init();
+#endif
+
+#if defined(CONFIG_AT91RM9200)
+ at91rm9200_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
+ && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
+ emac4xx_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_MCF52x2)
+ mcf52x2_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_NETARM)
+ ns7520_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_WMT)
+ wmt_miiphy_initialize(bis);
+#endif
+
+ return 0;
+}
+#endif