finally move buildroot-ng to trunk

1 files changed, 484 insertions, 0 deletions

diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
new file mode 100644
index 0000000000..32cf2b3960
--- /dev/null
+++ b/package/switch/src/switch-robo.c
@@ -0,0 +1,484 @@
+/*
+ * Broadcom BCM5325E/536x switch configuration module
+ *
+ * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
+ * Based on 'robocfg' by Oleg I. Vdovikin
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  
+ * 02110-1301, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/if.h>
+#include <linux/if_arp.h>
+#include <linux/sockios.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <asm/uaccess.h>
+
+#include "switch-core.h"
+#include "etc53xx.h"
+
+#define DRIVER_NAME		"bcm53xx"
+#define DRIVER_VERSION	"0.01"
+
+#define ROBO_PHY_ADDR	0x1E	/* robo switch phy address */
+
+/* MII registers */
+#define REG_MII_PAGE	0x10	/* MII Page register */
+#define REG_MII_ADDR	0x11	/* MII Address register */
+#define REG_MII_DATA0	0x18	/* MII Data register 0 */
+
+#define REG_MII_PAGE_ENABLE	1
+#define REG_MII_ADDR_WRITE	1
+#define REG_MII_ADDR_READ	2
+
+/* Private et.o ioctls */
+#define SIOCGETCPHYRD           (SIOCDEVPRIVATE + 9)
+#define SIOCSETCPHYWR           (SIOCDEVPRIVATE + 10)
+
+static char *device;
+static int use_et = 0;
+static int is_5350 = 0;
+static struct ifreq ifr;
+static struct net_device *dev;
+static unsigned char port[6] = { 0, 1, 2, 3, 4, 8 };
+
+static int do_ioctl(int cmd, void *buf)
+{
+	mm_segment_t old_fs = get_fs();
+	int ret;
+
+	if (buf != NULL)
+		ifr.ifr_data = (caddr_t) buf;
+
+	set_fs(KERNEL_DS);
+	ret = dev->do_ioctl(dev, &ifr, cmd);
+	set_fs(old_fs);
+
+	return ret;
+}
+
+static u16 mdio_read(__u16 phy_id, __u8 reg)
+{
+	if (use_et) {
+		int args[2] = { reg };
+		
+		if (phy_id != ROBO_PHY_ADDR) {
+			printk(
+				"Access to real 'phy' registers unavaliable.\n"
+				"Upgrade kernel driver.\n");
+
+			return 0xffff;
+		}
+
+
+		if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
+			printk("[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
+			return 0xffff;
+		}
+	
+		return args[1];
+	} else {
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
+		mii->phy_id = phy_id;
+		mii->reg_num = reg;
+
+		if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
+			printk("[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
+
+			return 0xffff;
+		}
+
+		return mii->val_out;
+	}
+}
+
+static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
+{
+	if (use_et) {
+		int args[2] = { reg, val };
+
+		if (phy_id != ROBO_PHY_ADDR) {
+			printk(
+				"Access to real 'phy' registers unavaliable.\n"
+				"Upgrade kernel driver.\n");
+
+			return;
+		}
+		
+		if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
+			printk("[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
+			return;
+		}
+	} else {
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&ifr.ifr_data;
+
+		mii->phy_id = phy_id;
+		mii->reg_num = reg;
+		mii->val_in = val;
+
+		if (do_ioctl(SIOCSMIIREG, NULL) < 0) {
+			printk("[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
+			return;
+		}
+	}
+}
+
+static int robo_reg(__u8 page, __u8 reg, __u8 op)
+{
+	int i = 3;
+	
+	/* set page number */
+	mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE, 
+		(page << 8) | REG_MII_PAGE_ENABLE);
+	
+	/* set register address */
+	mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR, 
+		(reg << 8) | op);
+
+	/* check if operation completed */
+	while (i--) {
+		if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
+			return 0;
+	}
+
+	printk("[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
+	
+	return 0;
+}
+
+/*
+static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
+{
+	int i;
+	
+	robo_reg(page, reg, REG_MII_ADDR_READ);
+	
+	for (i = 0; i < count; i++)
+		val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
+}
+*/
+
+static __u16 robo_read16(__u8 page, __u8 reg)
+{
+	robo_reg(page, reg, REG_MII_ADDR_READ);
+	
+	return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
+}
+
+static __u32 robo_read32(__u8 page, __u8 reg)
+{
+	robo_reg(page, reg, REG_MII_ADDR_READ);
+	
+	return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) +
+		(mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
+}
+
+static void robo_write16(__u8 page, __u8 reg, __u16 val16)
+{
+	/* write data */
+	mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
+
+	robo_reg(page, reg, REG_MII_ADDR_WRITE);
+}
+
+static void robo_write32(__u8 page, __u8 reg, __u32 val32)
+{
+	/* write data */
+	mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535);
+	mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
+	
+	robo_reg(page, reg, REG_MII_ADDR_WRITE);
+}
+
+/* checks that attached switch is 5325E/5350 */
+static int robo_vlan5350(void)
+{
+	/* set vlan access id to 15 and read it back */
+	__u16 val16 = 15;
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+	
+	/* 5365 will refuse this as it does not have this reg */
+	return (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16);
+}
+
+
+
+static int robo_probe(char *devname)
+{
+	struct ethtool_drvinfo info;
+/*
+	int i;
+*/
+	__u32 phyid;
+
+	printk("Probing device %s: ", devname);
+	strcpy(ifr.ifr_name, devname);
+
+	if ((dev = dev_get_by_name(devname)) == NULL) {
+		printk("No such device\n");
+		return 1;
+	}
+
+	info.cmd = ETHTOOL_GDRVINFO;
+	if (do_ioctl(SIOCETHTOOL, (void *) &info) < 0) {
+		printk("SIOCETHTOOL: not supported\n");
+		return 1;
+	}
+	
+	/* try access using MII ioctls - get phy address */
+	if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
+		use_et = 1;
+	} else {
+		/* got phy address check for robo address */
+		struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
+		if (mii->phy_id != ROBO_PHY_ADDR) {
+			printk("Invalid phy address (%d)\n", mii->phy_id);
+			return 1;
+		}
+	}
+
+	phyid = mdio_read(ROBO_PHY_ADDR, 0x2) | 
+		(mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
+
+	if (phyid == 0xffffffff || phyid == 0x55210022) {
+		printk("No Robo switch in managed mode found\n");
+		return 1;
+	}
+	
+	is_5350 = robo_vlan5350();
+	
+	printk("found!\n");
+	return 0;
+}
+
+
+static int handle_vlan_port_read(void *driver, char *buf, int nr)
+{
+	__u16 val16;
+	int len = 0;
+	int j;
+
+	val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
+	
+	if (is_5350) {
+		u32 val32;
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+		/* actual read */
+		val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
+		if ((val32 & (1 << 20)) /* valid */) {
+			for (j = 0; j < 6; j++) {
+				if (val32 & (1 << j)) {
+					len += sprintf(buf + len, "%d", j);
+					if (val32 & (1 << (j + 6))) {
+						if (j == 5) buf[len++] = 'u';
+					} else {
+						buf[len++] = 't';
+						if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
+							buf[len++] = '*';
+					}
+					buf[len++] = '\t';
+				}
+			}
+			len += sprintf(buf + len, "\n");
+		}
+	} else { 
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+		/* actual read */
+		val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
+		if ((val16 & (1 << 14)) /* valid */) {
+			for (j = 0; j < 6; j++) {
+				if (val16 & (1 << j)) {
+					len += sprintf(buf + len, "%d", j);
+					if (val16 & (1 << (j + 7))) {
+						if (j == 5) buf[len++] = 'u';
+					} else {
+						buf[len++] = 't';
+						if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
+							buf[len++] = '*';
+					}
+					buf[len++] = '\t';
+				}
+			}
+			len += sprintf(buf + len, "\n");
+		}
+	}
+
+	buf[len] = '\0';
+
+	return len;
+}
+
+static int handle_vlan_port_write(void *driver, char *buf, int nr)
+{
+	switch_driver *d = (switch_driver *) driver;
+	switch_vlan_config *c = switch_parse_vlan(d, buf);
+	int j;
+	__u16 val16;
+	
+	if (c == NULL)
+		return -EINVAL;
+
+	for (j = 0; j < d->ports; j++) {
+		if ((c->untag | c->pvid) & (1 << j))
+			/* change default vlan tag */
+			robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
+	}
+
+	/* write config now */
+	val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
+	if (is_5350) {
+		robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
+			(1 << 20) /* valid */ | (c->untag << 6) | c->port);
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+	} else {
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
+			(1 << 14)  /* valid */ | (c->untag << 7) | c->port);
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
+	}
+
+	return 0;
+}
+
+#define set_switch(state) \
+	robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
+
+static int handle_enable_read(void *driver, char *buf, int nr)
+{
+	return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
+}
+
+static int handle_enable_write(void *driver, char *buf, int nr)
+{
+	set_switch(buf[0] == '1');
+
+	return 0;
+}
+
+static int handle_enable_vlan_read(void *driver, char *buf, int nr)
+{
+	return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
+}
+
+static int handle_enable_vlan_write(void *driver, char *buf, int nr)
+{
+	int disable = ((buf[0] != '1') ? 1 : 0);
+	
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
+		(1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
+		(1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
+		(1 << 6) /* drop invalid VID frames */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
+		(1 << 3) /* drop miss V table frames */);
+
+	return 0;
+}
+
+static int handle_reset(void *driver, char *buf, int nr)
+{
+	switch_driver *d = (switch_driver *) driver;
+	switch_vlan_config *c = switch_parse_vlan(d, buf);
+	int j;
+	__u16 val16;
+	
+	if (c == NULL)
+		return -EINVAL;
+
+	/* disable switching */
+	set_switch(0);
+
+	/* reset vlans */
+	for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
+		/* write config now */
+		val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
+		if (is_5350)
+			robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
+		else
+			robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
+		robo_write16(ROBO_VLAN_PAGE, (is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 : ROBO_VLAN_TABLE_ACCESS), val16);
+	}
+
+	/* reset ports to a known good state */
+	for (j = 0; j < d->ports; j++) {
+		robo_write16(ROBO_CTRL_PAGE, port[j], 0x0000);
+		robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
+	}
+
+	/* enable switching */
+	set_switch(1);
+
+	/* enable vlans */
+	handle_enable_vlan_write(driver, "1", 0);
+
+	return 0;
+}
+
+static int __init robo_init(void)
+{
+	int notfound = 1;
+
+	device = strdup("ethX");
+	for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
+		notfound = robo_probe(device);
+	}
+	device[3]--;
+	
+	if (notfound) {
+		kfree(device);
+		return -ENODEV;
+	} else {
+		switch_config cfg[] = {
+			{"enable", handle_enable_read, handle_enable_write},
+			{"enable_vlan", handle_enable_vlan_read, handle_enable_vlan_write},
+			{"reset", NULL, handle_reset},
+			{NULL, NULL, NULL}
+		};
+		switch_config vlan[] = {
+			{"ports", handle_vlan_port_read, handle_vlan_port_write},
+			{NULL, NULL, NULL}
+		};
+		switch_driver driver = {
+			name: DRIVER_NAME,
+			version: DRIVER_VERSION,
+			interface: device,
+			cpuport: 5,
+			ports: 6,
+			vlans: 16,
+			driver_handlers: cfg,
+			port_handlers: NULL,
+			vlan_handlers: vlan,
+		};
+
+		return switch_register_driver(&driver);
+	}
+}
+
+static void __exit robo_exit(void)
+{
+	switch_unregister_driver(DRIVER_NAME);
+	kfree(device);
+}
+
+
+MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
+MODULE_LICENSE("GPL");
+
+module_init(robo_init);
+module_exit(robo_exit);