X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fnet%2Fsky2.c;h=626190eb91e7ba567ea3c35ef9d26dac2aaf9b7e;hb=247ae4492065ed73bf5f287e38cd4c54ce192b27;hp=bc15940ce1bc8ed74ba8127df49f0599d2262c48;hpb=ef3f2de2b5496f721b12f21a157e19eac816394b;p=linux-2.6-omap-h63xx.git diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index bc15940ce1b..626190eb91e 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -51,7 +51,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.20" +#define DRV_VERSION "1.21" #define PFX DRV_NAME " " /* @@ -64,7 +64,6 @@ #define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) #define RX_DEF_PENDING RX_MAX_PENDING -#define RX_SKB_ALIGN 8 #define TX_RING_SIZE 512 #define TX_DEF_PENDING (TX_RING_SIZE - 1) @@ -135,6 +134,8 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436C) }, /* 88E8072 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */ { 0 } }; @@ -548,6 +549,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) case CHIP_ID_YUKON_EC_U: case CHIP_ID_YUKON_EX: + case CHIP_ID_YUKON_SUPR: pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); /* select page 3 to access LED control register */ @@ -714,23 +716,33 @@ static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) { struct net_device *dev = hw->dev[port]; - if (dev->mtu <= ETH_DATA_LEN) - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_DIS | TX_STFW_ENA); + if ( (hw->chip_id == CHIP_ID_YUKON_EX && + hw->chip_rev != CHIP_REV_YU_EX_A0) || + hw->chip_id == CHIP_ID_YUKON_FE_P || + hw->chip_id == CHIP_ID_YUKON_SUPR) { + /* Yukon-Extreme B0 and further Extreme devices */ + /* enable Store & Forward mode for TX */ - else if (hw->chip_id != CHIP_ID_YUKON_EC_U) - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_STFW_ENA | TX_JUMBO_ENA); - else { - /* set Tx GMAC FIFO Almost Empty Threshold */ - sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), - (ECU_JUMBO_WM << 16) | ECU_AE_THR); + if (dev->mtu <= ETH_DATA_LEN) + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), + TX_JUMBO_DIS | TX_STFW_ENA); - sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), - TX_JUMBO_ENA | TX_STFW_DIS); + else + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), + TX_JUMBO_ENA| TX_STFW_ENA); + } else { + if (dev->mtu <= ETH_DATA_LEN) + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_ENA); + else { + /* set Tx GMAC FIFO Almost Empty Threshold */ + sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), + (ECU_JUMBO_WM << 16) | ECU_AE_THR); - /* Can't do offload because of lack of store/forward */ - dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM); + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); + + /* Can't do offload because of lack of store/forward */ + dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM); + } } } @@ -1174,24 +1186,32 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp /* * Allocate an skb for receiving. If the MTU is large enough * make the skb non-linear with a fragment list of pages. - * - * It appears the hardware has a bug in the FIFO logic that - * cause it to hang if the FIFO gets overrun and the receive buffer - * is not 64 byte aligned. The buffer returned from netdev_alloc_skb is - * aligned except if slab debugging is enabled. */ static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2) { struct sk_buff *skb; - unsigned long p; int i; - skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + RX_SKB_ALIGN); - if (!skb) - goto nomem; - - p = (unsigned long) skb->data; - skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p); + if (sky2->hw->flags & SKY2_HW_FIFO_HANG_CHECK) { + unsigned char *start; + /* + * Workaround for a bug in FIFO that cause hang + * if the FIFO if the receive buffer is not 64 byte aligned. + * The buffer returned from netdev_alloc_skb is + * aligned except if slab debugging is enabled. + */ + skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + 8); + if (!skb) + goto nomem; + start = PTR_ALIGN(skb->data, 8); + skb_reserve(skb, start - skb->data); + } else { + skb = netdev_alloc_skb(sky2->netdev, + sky2->rx_data_size + NET_IP_ALIGN); + if (!skb) + goto nomem; + skb_reserve(skb, NET_IP_ALIGN); + } for (i = 0; i < sky2->rx_nfrags; i++) { struct page *page = alloc_page(GFP_ATOMIC); @@ -1227,7 +1247,7 @@ static int sky2_rx_start(struct sky2_port *sky2) struct sky2_hw *hw = sky2->hw; struct rx_ring_info *re; unsigned rxq = rxqaddr[sky2->port]; - unsigned i, size, space, thresh; + unsigned i, size, thresh; sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); @@ -1254,28 +1274,18 @@ static int sky2_rx_start(struct sky2_port *sky2) /* Stopping point for hardware truncation */ thresh = (size - 8) / sizeof(u32); - /* Account for overhead of skb - to avoid order > 0 allocation */ - space = SKB_DATA_ALIGN(size) + NET_SKB_PAD - + sizeof(struct skb_shared_info); - - sky2->rx_nfrags = space >> PAGE_SHIFT; + sky2->rx_nfrags = size >> PAGE_SHIFT; BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); - if (sky2->rx_nfrags != 0) { - /* Compute residue after pages */ - space = sky2->rx_nfrags << PAGE_SHIFT; + /* Compute residue after pages */ + size -= sky2->rx_nfrags << PAGE_SHIFT; - if (space < size) - size -= space; - else - size = 0; + /* Optimize to handle small packets and headers */ + if (size < copybreak) + size = copybreak; + if (size < ETH_HLEN) + size = ETH_HLEN; - /* Optimize to handle small packets and headers */ - if (size < copybreak) - size = copybreak; - if (size < ETH_HLEN) - size = ETH_HLEN; - } sky2->rx_data_size = size; /* Fill Rx ring */ @@ -2663,6 +2673,7 @@ static u32 sky2_mhz(const struct sky2_hw *hw) case CHIP_ID_YUKON_EC: case CHIP_ID_YUKON_EC_U: case CHIP_ID_YUKON_EX: + case CHIP_ID_YUKON_SUPR: return 125; case CHIP_ID_YUKON_FE: @@ -2746,6 +2757,15 @@ static int __devinit sky2_init(struct sky2_hw *hw) | SKY2_HW_AUTO_TX_SUM | SKY2_HW_ADV_POWER_CTL; break; + + case CHIP_ID_YUKON_SUPR: + hw->flags = SKY2_HW_GIGABIT + | SKY2_HW_NEWER_PHY + | SKY2_HW_NEW_LE + | SKY2_HW_AUTO_TX_SUM + | SKY2_HW_ADV_POWER_CTL; + break; + default: dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", hw->chip_id); @@ -2816,7 +2836,8 @@ static void sky2_reset(struct sky2_hw *hw) sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); - if (hw->chip_id == CHIP_ID_YUKON_EX) + if (hw->chip_id == CHIP_ID_YUKON_EX || + hw->chip_id == CHIP_ID_YUKON_SUPR) sky2_write16(hw, SK_REG(i, GMAC_CTRL), GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON | GMC_BYP_RETR_ON);