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path: root/drivers/net/r8169.c
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Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c122
1 files changed, 2 insertions, 120 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index b3473401c83a..43fedb9ecedb 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -81,9 +81,9 @@ static const int multicast_filter_limit = 32;
81#define RTL8169_TX_TIMEOUT (6*HZ) 81#define RTL8169_TX_TIMEOUT (6*HZ)
82#define RTL8169_PHY_TIMEOUT (10*HZ) 82#define RTL8169_PHY_TIMEOUT (10*HZ)
83 83
84#define RTL_EEPROM_SIG 0x8129 84#define RTL_EEPROM_SIG cpu_to_le32(0x8129)
85#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
85#define RTL_EEPROM_SIG_ADDR 0x0000 86#define RTL_EEPROM_SIG_ADDR 0x0000
86#define RTL_EEPROM_MAC_ADDR 0x0007
87 87
88/* write/read MMIO register */ 88/* write/read MMIO register */
89#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) 89#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
@@ -293,11 +293,6 @@ enum rtl_register_content {
293 /* Cfg9346Bits */ 293 /* Cfg9346Bits */
294 Cfg9346_Lock = 0x00, 294 Cfg9346_Lock = 0x00,
295 Cfg9346_Unlock = 0xc0, 295 Cfg9346_Unlock = 0xc0,
296 Cfg9346_Program = 0x80, /* Programming mode */
297 Cfg9346_EECS = 0x08, /* Chip select */
298 Cfg9346_EESK = 0x04, /* Serial data clock */
299 Cfg9346_EEDI = 0x02, /* Data input */
300 Cfg9346_EEDO = 0x01, /* Data output */
301 296
302 /* rx_mode_bits */ 297 /* rx_mode_bits */
303 AcceptErr = 0x20, 298 AcceptErr = 0x20,
@@ -310,7 +305,6 @@ enum rtl_register_content {
310 /* RxConfigBits */ 305 /* RxConfigBits */
311 RxCfgFIFOShift = 13, 306 RxCfgFIFOShift = 13,
312 RxCfgDMAShift = 8, 307 RxCfgDMAShift = 8,
313 RxCfg9356SEL = 6, /* EEPROM type: 0 = 9346, 1 = 9356 */
314 308
315 /* TxConfigBits */ 309 /* TxConfigBits */
316 TxInterFrameGapShift = 24, 310 TxInterFrameGapShift = 24,
@@ -1969,108 +1963,6 @@ static const struct net_device_ops rtl8169_netdev_ops = {
1969 1963
1970}; 1964};
1971 1965
1972/* Delay between EEPROM clock transitions. Force out buffered PCI writes. */
1973#define RTL_EEPROM_DELAY() RTL_R8(Cfg9346)
1974#define RTL_EEPROM_READ_CMD 6
1975
1976/* read 16bit word stored in EEPROM. EEPROM is addressed by words. */
1977static u16 rtl_eeprom_read(void __iomem *ioaddr, int addr)
1978{
1979 u16 result = 0;
1980 int cmd, cmd_len, i;
1981
1982 /* check for EEPROM address size (in bits) */
1983 if (RTL_R32(RxConfig) & (1 << RxCfg9356SEL)) {
1984 /* EEPROM is 93C56 */
1985 cmd_len = 3 + 8; /* 3 bits for command id and 8 for address */
1986 cmd = (RTL_EEPROM_READ_CMD << 8) | (addr & 0xff);
1987 } else {
1988 /* EEPROM is 93C46 */
1989 cmd_len = 3 + 6; /* 3 bits for command id and 6 for address */
1990 cmd = (RTL_EEPROM_READ_CMD << 6) | (addr & 0x3f);
1991 }
1992
1993 /* enter programming mode */
1994 RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
1995 RTL_EEPROM_DELAY();
1996
1997 /* write command and requested address */
1998 while (cmd_len--) {
1999 u8 x = Cfg9346_Program | Cfg9346_EECS;
2000
2001 x |= (cmd & (1 << cmd_len)) ? Cfg9346_EEDI : 0;
2002
2003 /* write a bit */
2004 RTL_W8(Cfg9346, x);
2005 RTL_EEPROM_DELAY();
2006
2007 /* raise clock */
2008 RTL_W8(Cfg9346, x | Cfg9346_EESK);
2009 RTL_EEPROM_DELAY();
2010 }
2011
2012 /* lower clock */
2013 RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
2014 RTL_EEPROM_DELAY();
2015
2016 /* read back 16bit value */
2017 for (i = 16; i > 0; i--) {
2018 /* raise clock */
2019 RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS | Cfg9346_EESK);
2020 RTL_EEPROM_DELAY();
2021
2022 result <<= 1;
2023 result |= (RTL_R8(Cfg9346) & Cfg9346_EEDO) ? 1 : 0;
2024
2025 /* lower clock */
2026 RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
2027 RTL_EEPROM_DELAY();
2028 }
2029
2030 RTL_W8(Cfg9346, Cfg9346_Program);
2031 /* leave programming mode */
2032 RTL_W8(Cfg9346, Cfg9346_Lock);
2033
2034 return result;
2035}
2036
2037static void rtl_init_mac_address(struct rtl8169_private *tp,
2038 void __iomem *ioaddr)
2039{
2040 struct pci_dev *pdev = tp->pci_dev;
2041 u16 x;
2042 u8 mac[8];
2043
2044 /* read EEPROM signature */
2045 x = rtl_eeprom_read(ioaddr, RTL_EEPROM_SIG_ADDR);
2046
2047 if (x != RTL_EEPROM_SIG) {
2048 dev_info(&pdev->dev, "Missing EEPROM signature: %04x\n", x);
2049 return;
2050 }
2051
2052 /* read MAC address */
2053 x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR);
2054 mac[0] = x & 0xff;
2055 mac[1] = x >> 8;
2056 x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 1);
2057 mac[2] = x & 0xff;
2058 mac[3] = x >> 8;
2059 x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 2);
2060 mac[4] = x & 0xff;
2061 mac[5] = x >> 8;
2062
2063 if (netif_msg_probe(tp)) {
2064 DECLARE_MAC_BUF(buf);
2065
2066 dev_info(&pdev->dev, "MAC address found in EEPROM: %s\n",
2067 print_mac(buf, mac));
2068 }
2069
2070 if (is_valid_ether_addr(mac))
2071 rtl_rar_set(tp, mac);
2072}
2073
2074static int __devinit 1966static int __devinit
2075rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 1967rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2076{ 1968{
@@ -2249,8 +2141,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2249 2141
2250 tp->mmio_addr = ioaddr; 2142 tp->mmio_addr = ioaddr;
2251 2143
2252 rtl_init_mac_address(tp, ioaddr);
2253
2254 /* Get MAC address */ 2144 /* Get MAC address */
2255 for (i = 0; i < MAC_ADDR_LEN; i++) 2145 for (i = 0; i < MAC_ADDR_LEN; i++)
2256 dev->dev_addr[i] = RTL_R8(MAC0 + i); 2146 dev->dev_addr[i] = RTL_R8(MAC0 + i);
@@ -3363,13 +3253,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
3363 opts1 |= FirstFrag; 3253 opts1 |= FirstFrag;
3364 } else { 3254 } else {
3365 len = skb->len; 3255 len = skb->len;
3366
3367 if (unlikely(len < ETH_ZLEN)) {
3368 if (skb_padto(skb, ETH_ZLEN))
3369 goto err_update_stats;
3370 len = ETH_ZLEN;
3371 }
3372
3373 opts1 |= FirstFrag | LastFrag; 3256 opts1 |= FirstFrag | LastFrag;
3374 tp->tx_skb[entry].skb = skb; 3257 tp->tx_skb[entry].skb = skb;
3375 } 3258 }
@@ -3407,7 +3290,6 @@ out:
3407err_stop: 3290err_stop:
3408 netif_stop_queue(dev); 3291 netif_stop_queue(dev);
3409 ret = NETDEV_TX_BUSY; 3292 ret = NETDEV_TX_BUSY;
3410err_update_stats:
3411 dev->stats.tx_dropped++; 3293 dev->stats.tx_dropped++;
3412 goto out; 3294 goto out;
3413} 3295}