added boot script files to repository

1 files changed, 540 insertions, 0 deletions

diff --git a/u-boot/net/eth.c b/u-boot/net/eth.c
new file mode 100644
index 0000000..3a7ff50
--- /dev/null
+++ b/u-boot/net/eth.c
@@ -0,0 +1,540 @@
+/*
+ * (C) Copyright 2001-2010
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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);
+}
+
+int eth_getenv_enetaddr_by_index(int index, uchar *enetaddr)
+{
+	char enetvar[32];
+	sprintf(enetvar, index ? "eth%daddr" : "ethaddr", index);
+	return eth_getenv_enetaddr(enetvar, enetaddr);
+}
+
+#ifdef CONFIG_NET_MULTI
+
+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);
+}
+
+/*
+ * CPU and board-specific Ethernet initializations.  Aliased function
+ * signals caller to move on
+ */
+static int __def_eth_init(bd_t *bis)
+{
+	return -1;
+}
+int cpu_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init")));
+int board_eth_init(bd_t *bis) __attribute__((weak, alias("__def_eth_init")));
+
+extern int mv6436x_eth_initialize(bd_t *);
+extern int mv6446x_eth_initialize(bd_t *);
+
+#ifdef CONFIG_API
+extern void (*push_packet)(volatile void *, int);
+
+static struct {
+	uchar data[PKTSIZE];
+	int length;
+} eth_rcv_bufs[PKTBUFSRX];
+
+static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
+#endif
+
+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(const 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_register(struct eth_device *dev)
+{
+	struct eth_device *d;
+	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)
+{
+	unsigned char env_enetaddr[6];
+	int eth_number = 0;
+
+	eth_devices = NULL;
+	eth_current = NULL;
+
+	show_boot_progress (64);
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+	miiphy_init();
+#endif
+	/*
+	 * If board-specific initialization exists, call it.
+	 * If not, call a CPU-specific one
+	 */
+	if (board_eth_init != __def_eth_init) {
+		if (board_eth_init(bis) < 0)
+			printf("Board Net Initialization Failed\n");
+	} else if (cpu_eth_init != __def_eth_init) {
+		if (cpu_eth_init(bis) < 0)
+			printf("CPU Net Initialization Failed\n");
+	} else
+		printf("Net Initialization Skipped\n");
+
+#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
+	mv6436x_eth_initialize(bis);
+#endif
+#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
+	mv6446x_eth_initialize(bis);
+#endif
+	if (!eth_devices) {
+		puts ("No ethernet found.\n");
+		show_boot_progress (-64);
+	} else {
+		struct eth_device *dev = eth_devices;
+		char *ethprime = getenv ("ethprime");
+
+		show_boot_progress (65);
+		do {
+			if (eth_number)
+				puts (", ");
+
+			printf("%s", dev->name);
+
+			if (ethprime && strcmp (dev->name, ethprime) == 0) {
+				eth_current = dev;
+				puts (" [PRIME]");
+			}
+
+			if (strchr(dev->name, ' '))
+				puts("\nWarning: eth device name has a space!\n");
+
+			eth_getenv_enetaddr_by_index(eth_number, env_enetaddr);
+
+			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)) {
+				dev->write_hwaddr(dev);
+			}
+
+			eth_number++;
+			dev = dev->next;
+		} while(dev != eth_devices);
+
+		eth_current_changed();
+		putc ('\n');
+	}
+
+	return eth_number;
+}
+
+#ifdef CONFIG_MCAST_TFTP
+/* Multicast.
+ * mcast_addr: multicast ipaddr from which multicast Mac is made
+ * join: 1=join, 0=leave.
+ */
+int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
+{
+ u8 mcast_mac[6];
+	if (!eth_current || !eth_current->mcast)
+		return -1;
+	mcast_mac[5] = htonl(mcast_ip) & 0xff;
+	mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
+	mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
+	mcast_mac[2] = 0x5e;
+	mcast_mac[1] = 0x0;
+	mcast_mac[0] = 0x1;
+	return eth_current->mcast(eth_current, mcast_mac, join);
+}
+
+/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
+ * and this is the ethernet-crc method needed for TSEC -- and perhaps
+ * some other adapter -- hash tables
+ */
+#define CRCPOLY_LE 0xedb88320
+u32 ether_crc (size_t len, unsigned char const *p)
+{
+	int i;
+	u32 crc;
+	crc = ~0;
+	while (len--) {
+		crc ^= *p++;
+		for (i = 0; i < 8; i++)
+			crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
+	}
+	/* an reverse the bits, cuz of way they arrive -- last-first */
+	crc = (crc >> 16) | (crc << 16);
+	crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
+	crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
+	crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
+	crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
+	return crc;
+}
+
+#endif
+
+
+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_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);
+}
+
+#ifdef CONFIG_API
+static void eth_save_packet(volatile void *packet, int length)
+{
+	volatile char *p = packet;
+	int i;
+
+	if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
+		return;
+
+	if (PKTSIZE < length)
+		return;
+
+	for (i = 0; i < length; i++)
+		eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
+
+	eth_rcv_bufs[eth_rcv_last].length = length;
+	eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
+}
+
+int eth_receive(volatile void *packet, int length)
+{
+	volatile char *p = packet;
+	void *pp = push_packet;
+	int i;
+
+	if (eth_rcv_current == eth_rcv_last) {
+		push_packet = eth_save_packet;
+		eth_rx();
+		push_packet = pp;
+
+		if (eth_rcv_current == eth_rcv_last)
+			return -1;
+	}
+
+	if (length < eth_rcv_bufs[eth_rcv_current].length)
+		return -1;
+
+	length = eth_rcv_bufs[eth_rcv_current].length;
+
+	for (i = 0; i < length; i++)
+		p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
+
+	eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
+	return length;
+}
+#endif /* CONFIG_API */
+
+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)
+{
+	static char *act = NULL;
+	static int  env_changed_id = 0;
+	struct eth_device* old_current;
+	int	env_id;
+
+	if (!eth_current)	/* XXX no current */
+		return;
+
+	env_id = get_env_id();
+	if ((act == NULL) || (env_changed_id != env_id)) {
+		act = getenv("ethact");
+		env_changed_id = env_id;
+	}
+	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);
+	}
+
+	eth_current_changed();
+}
+
+char *eth_get_name (void)
+{
+	return (eth_current ? eth_current->name : "unknown");
+}
+
+#else /* !CONFIG_NET_MULTI */
+
+#warning Ethernet driver is deprecated.  Please update to use CONFIG_NET_MULTI
+
+extern int at91rm9200_miiphy_initialize(bd_t *bis);
+extern int mcf52x2_miiphy_initialize(bd_t *bis);
+extern int ns7520_miiphy_initialize(bd_t *bis);
+
+
+int eth_initialize(bd_t *bis)
+{
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+	miiphy_init();
+#endif
+
+#if defined(CONFIG_AT91RM9200)
+	at91rm9200_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_MCF52x2)
+	mcf52x2_miiphy_initialize(bis);
+#endif
+#if defined(CONFIG_DRIVER_NS7520_ETHERNET)
+	ns7520_miiphy_initialize(bis);
+#endif
+	return 0;
+}
+#endif