[PATCH] sky2: add Yukon-EC ultra support
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>
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index e6f71c1..aff347f 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -114,9 +114,11 @@
{ 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 }
};
@@ -130,6 +132,7 @@
[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 */
@@ -599,6 +602,18 @@
/* 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)
@@ -984,6 +999,10 @@
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);
@@ -1553,6 +1572,9 @@
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;
@@ -1972,6 +1994,7 @@
{
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 */
@@ -2796,7 +2819,9 @@
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;
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 629d08f..f836b03 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -309,7 +309,7 @@
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,
};
@@ -346,6 +346,7 @@
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 */
@@ -579,7 +580,8 @@
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 */
@@ -1557,6 +1559,9 @@
/* 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 */