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[PATCH] sky2: add Yukon-EC ultra support
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Add support for Yukon-EC Ultra chip as implemented in SysKonnect's
driver version 8.26.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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shemminger@osdl.org authored and Jeff Garzik committed Dec 1, 2005
1 parent 13210ce commit 5a5b1ea
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Showing 2 changed files with 33 additions and 3 deletions.
27 changes: 26 additions & 1 deletion drivers/net/sky2.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -114,9 +114,11 @@ static const struct pci_device_id sky2_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) },
{ 0 }
};

Expand All @@ -130,6 +132,7 @@ static const char *yukon_name[] = {
[CHIP_ID_YUKON_LITE - CHIP_ID_YUKON] = "Lite", /* 0xb0 */
[CHIP_ID_YUKON_LP - CHIP_ID_YUKON] = "LP", /* 0xb2 */
[CHIP_ID_YUKON_XL - CHIP_ID_YUKON] = "XL", /* 0xb3 */
[CHIP_ID_YUKON_EC_U - CHIP_ID_YUKON] = "EC Ultra", /* 0xb4 */

[CHIP_ID_YUKON_EC - CHIP_ID_YUKON] = "EC", /* 0xb6 */
[CHIP_ID_YUKON_FE - CHIP_ID_YUKON] = "FE", /* 0xb7 */
Expand Down Expand Up @@ -599,6 +602,18 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
/* Configure Tx MAC FIFO */
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);
sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON);

if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8);
sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8);
if (hw->dev[port]->mtu > ETH_DATA_LEN) {
/* set Tx GMAC FIFO Almost Empty Threshold */
sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180);
/* Disable Store & Forward mode for TX */
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS);
}
}

}

static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len)
Expand Down Expand Up @@ -984,6 +999,10 @@ static int sky2_up(struct net_device *dev)
RB_RST_SET);

sky2_qset(hw, txqaddr[port], 0x600);
if (hw->chip_id == CHIP_ID_YUKON_EC_U)
sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0);


sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
TX_RING_SIZE - 1);

Expand Down Expand Up @@ -1553,6 +1572,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;

if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN)
return -EINVAL;

if (!netif_running(dev)) {
dev->mtu = new_mtu;
return 0;
Expand Down Expand Up @@ -1972,6 +1994,7 @@ static inline u32 sky2_khz(const struct sky2_hw *hw)
{
switch (hw->chip_id) {
case CHIP_ID_YUKON_EC:
case CHIP_ID_YUKON_EC_U:
return 125000; /* 125 Mhz */
case CHIP_ID_YUKON_FE:
return 100000; /* 100 Mhz */
Expand Down Expand Up @@ -2796,7 +2819,9 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,

sky2->port = port;

dev->features |= NETIF_F_LLTX | NETIF_F_TSO;
dev->features |= NETIF_F_LLTX;
if (hw->chip_id != CHIP_ID_YUKON_EC_U)
dev->features |= NETIF_F_TSO;
if (highmem)
dev->features |= NETIF_F_HIGHDMA;
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Expand Down
9 changes: 7 additions & 2 deletions drivers/net/sky2.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,7 @@ enum {
Y2_IS_PAR_RX2 | Y2_IS_TCP_TXS2| Y2_IS_TCP_TXA2,

Y2_HWE_ALL_MASK = Y2_IS_TIST_OV | Y2_IS_MST_ERR | Y2_IS_IRQ_STAT |
Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP |
Y2_IS_PCI_EXP |
Y2_HWE_L1_MASK | Y2_HWE_L2_MASK,
};

Expand Down Expand Up @@ -346,6 +346,7 @@ enum {
CHIP_ID_YUKON_LITE = 0xb1, /* Chip ID for YUKON-Lite (Rev. A1-A3) */
CHIP_ID_YUKON_LP = 0xb2, /* Chip ID for YUKON-LP */
CHIP_ID_YUKON_XL = 0xb3, /* Chip ID for YUKON-2 XL */
CHIP_ID_YUKON_EC_U = 0xb4, /* Chip ID for YUKON-2 EC Ultra */
CHIP_ID_YUKON_EC = 0xb6, /* Chip ID for YUKON-2 EC */
CHIP_ID_YUKON_FE = 0xb7, /* Chip ID for YUKON-2 FE */

Expand Down Expand Up @@ -579,7 +580,8 @@ enum {
RX_GMF_FL_MSK = 0x0c4c,/* 32 bit Rx GMAC FIFO Flush Mask */
RX_GMF_FL_THR = 0x0c50,/* 32 bit Rx GMAC FIFO Flush Threshold */
RX_GMF_TR_THR = 0x0c54,/* 32 bit Rx Truncation Threshold (Yukon-2) */

RX_GMF_UP_THR = 0x0c58,/* 8 bit Rx Upper Pause Thr (Yukon-EC_U) */
RX_GMF_LP_THR = 0x0c5a,/* 8 bit Rx Lower Pause Thr (Yukon-EC_U) */
RX_GMF_VLAN = 0x0c5c,/* 32 bit Rx VLAN Type Register (Yukon-2) */
RX_GMF_WP = 0x0c60,/* 32 bit Rx GMAC FIFO Write Pointer */

Expand Down Expand Up @@ -1557,6 +1559,9 @@ enum {

/* TX_GMF_CTRL_T 32 bit Tx GMAC FIFO Control/Test */
enum {
TX_STFW_DIS = 1<<31,/* Disable Store & Forward (Yukon-EC Ultra) */
TX_STFW_ENA = 1<<30,/* Enable Store & Forward (Yukon-EC Ultra) */

TX_VLAN_TAG_ON = 1<<25,/* enable VLAN tagging */
TX_VLAN_TAG_OFF = 1<<24,/* disable VLAN tagging */

Expand Down

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