diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac-mac.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-mac.c | 114 |
1 files changed, 23 insertions, 91 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index 0b4deb31e742..cc065ffbe4b5 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -25,58 +25,6 @@ #include "emac.h" #include "emac-sgmii.h" -/* EMAC base register offsets */ -#define EMAC_MAC_CTRL 0x001480 -#define EMAC_WOL_CTRL0 0x0014a0 -#define EMAC_RSS_KEY0 0x0014b0 -#define EMAC_H1TPD_BASE_ADDR_LO 0x0014e0 -#define EMAC_H2TPD_BASE_ADDR_LO 0x0014e4 -#define EMAC_H3TPD_BASE_ADDR_LO 0x0014e8 -#define EMAC_INTER_SRAM_PART9 0x001534 -#define EMAC_DESC_CTRL_0 0x001540 -#define EMAC_DESC_CTRL_1 0x001544 -#define EMAC_DESC_CTRL_2 0x001550 -#define EMAC_DESC_CTRL_10 0x001554 -#define EMAC_DESC_CTRL_12 0x001558 -#define EMAC_DESC_CTRL_13 0x00155c -#define EMAC_DESC_CTRL_3 0x001560 -#define EMAC_DESC_CTRL_4 0x001564 -#define EMAC_DESC_CTRL_5 0x001568 -#define EMAC_DESC_CTRL_14 0x00156c -#define EMAC_DESC_CTRL_15 0x001570 -#define EMAC_DESC_CTRL_16 0x001574 -#define EMAC_DESC_CTRL_6 0x001578 -#define EMAC_DESC_CTRL_8 0x001580 -#define EMAC_DESC_CTRL_9 0x001584 -#define EMAC_DESC_CTRL_11 0x001588 -#define EMAC_TXQ_CTRL_0 0x001590 -#define EMAC_TXQ_CTRL_1 0x001594 -#define EMAC_TXQ_CTRL_2 0x001598 -#define EMAC_RXQ_CTRL_0 0x0015a0 -#define EMAC_RXQ_CTRL_1 0x0015a4 -#define EMAC_RXQ_CTRL_2 0x0015a8 -#define EMAC_RXQ_CTRL_3 0x0015ac -#define EMAC_BASE_CPU_NUMBER 0x0015b8 -#define EMAC_DMA_CTRL 0x0015c0 -#define EMAC_MAILBOX_0 0x0015e0 -#define EMAC_MAILBOX_5 0x0015e4 -#define EMAC_MAILBOX_6 0x0015e8 -#define EMAC_MAILBOX_13 0x0015ec -#define EMAC_MAILBOX_2 0x0015f4 -#define EMAC_MAILBOX_3 0x0015f8 -#define EMAC_MAILBOX_11 0x00160c -#define EMAC_AXI_MAST_CTRL 0x001610 -#define EMAC_MAILBOX_12 0x001614 -#define EMAC_MAILBOX_9 0x001618 -#define EMAC_MAILBOX_10 0x00161c -#define EMAC_ATHR_HEADER_CTRL 0x001620 -#define EMAC_CLK_GATE_CTRL 0x001814 -#define EMAC_MISC_CTRL 0x001990 -#define EMAC_MAILBOX_7 0x0019e0 -#define EMAC_MAILBOX_8 0x0019e4 -#define EMAC_MAILBOX_15 0x001bd4 -#define EMAC_MAILBOX_16 0x001bd8 - /* EMAC_MAC_CTRL */ #define SINGLE_PAUSE_MODE 0x10000000 #define DEBUG_MODE 0x08000000 @@ -103,14 +51,6 @@ #define RXEN 0x00000002 #define TXEN 0x00000001 - -/* EMAC_WOL_CTRL0 */ -#define LK_CHG_PME 0x20 -#define LK_CHG_EN 0x10 -#define MG_FRAME_PME 0x8 -#define MG_FRAME_EN 0x4 -#define WK_FRAME_EN 0x1 - /* EMAC_DESC_CTRL_3 */ #define RFD_RING_SIZE_BMSK 0xfff @@ -314,8 +254,6 @@ struct emac_skb_cb { RX_PKT_INT2 |\ RX_PKT_INT3) -#define EMAC_MAC_IRQ_RES "core0" - void emac_mac_multicast_addr_set(struct emac_adapter *adpt, u8 *addr) { u32 crc32, bit, reg, mta; @@ -558,7 +496,7 @@ void emac_mac_reset(struct emac_adapter *adpt) emac_reg_update32(adpt->base + EMAC_DMA_MAS_CTRL, 0, INT_RD_CLR_EN); } -void emac_mac_start(struct emac_adapter *adpt) +static void emac_mac_start(struct emac_adapter *adpt) { struct phy_device *phydev = adpt->phydev; u32 mac, csr1; @@ -575,11 +513,19 @@ void emac_mac_start(struct emac_adapter *adpt) mac |= TXEN | RXEN; /* enable RX/TX */ - /* Configure MAC flow control to match the PHY's settings. */ - if (phydev->pause) - mac |= RXFC; - if (phydev->pause != phydev->asym_pause) - mac |= TXFC; + /* Configure MAC flow control. If set to automatic, then match + * whatever the PHY does. Otherwise, enable or disable it, depending + * on what the user configured via ethtool. + */ + mac &= ~(RXFC | TXFC); + + if (adpt->automatic) { + /* If it's set to automatic, then update our local values */ + adpt->rx_flow_control = phydev->pause; + adpt->tx_flow_control = phydev->pause != phydev->asym_pause; + } + mac |= adpt->rx_flow_control ? RXFC : 0; + mac |= adpt->tx_flow_control ? TXFC : 0; /* setup link speed */ mac &= ~SPEED_MASK; @@ -621,8 +567,6 @@ void emac_mac_start(struct emac_adapter *adpt) emac_reg_update32(adpt->base + EMAC_ATHR_HEADER_CTRL, (HEADER_ENABLE | HEADER_CNT_EN), 0); - - emac_reg_update32(adpt->csr + EMAC_EMAC_WRAPPER_CSR2, 0, WOL_EN); } void emac_mac_stop(struct emac_adapter *adpt) @@ -963,12 +907,16 @@ static void emac_mac_rx_descs_refill(struct emac_adapter *adpt, static void emac_adjust_link(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); + struct emac_sgmii *sgmii = &adpt->phy; struct phy_device *phydev = netdev->phydev; - if (phydev->link) + if (phydev->link) { emac_mac_start(adpt); - else + sgmii->link_up(adpt); + } else { + sgmii->link_down(adpt); emac_mac_stop(adpt); + } phy_print_status(phydev); } @@ -977,40 +925,26 @@ static void emac_adjust_link(struct net_device *netdev) int emac_mac_up(struct emac_adapter *adpt) { struct net_device *netdev = adpt->netdev; - struct emac_irq *irq = &adpt->irq; int ret; emac_mac_rx_tx_ring_reset_all(adpt); emac_mac_config(adpt); - - ret = request_irq(irq->irq, emac_isr, 0, EMAC_MAC_IRQ_RES, irq); - if (ret) { - netdev_err(adpt->netdev, "could not request %s irq\n", - EMAC_MAC_IRQ_RES); - return ret; - } - emac_mac_rx_descs_refill(adpt, &adpt->rx_q); + adpt->phydev->irq = PHY_IGNORE_INTERRUPT; ret = phy_connect_direct(netdev, adpt->phydev, emac_adjust_link, PHY_INTERFACE_MODE_SGMII); if (ret) { netdev_err(adpt->netdev, "could not connect phy\n"); - free_irq(irq->irq, irq); return ret; } + phy_attached_print(adpt->phydev, NULL); + /* enable mac irq */ writel((u32)~DIS_INT, adpt->base + EMAC_INT_STATUS); writel(adpt->irq.mask, adpt->base + EMAC_INT_MASK); - /* Enable pause frames. Without this feature, the EMAC has been shown - * to receive (and drop) frames with FCS errors at gigabit connections. - */ - adpt->phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; - adpt->phydev->advertising |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; - - adpt->phydev->irq = PHY_IGNORE_INTERRUPT; phy_start(adpt->phydev); napi_enable(&adpt->rx_q.napi); @@ -1036,7 +970,6 @@ void emac_mac_down(struct emac_adapter *adpt) writel(DIS_INT, adpt->base + EMAC_INT_STATUS); writel(0, adpt->base + EMAC_INT_MASK); synchronize_irq(adpt->irq.irq); - free_irq(adpt->irq.irq, &adpt->irq); phy_disconnect(adpt->phydev); @@ -1213,7 +1146,6 @@ void emac_mac_rx_process(struct emac_adapter *adpt, struct emac_rx_queue *rx_q, emac_receive_skb(rx_q, skb, (u16)RRD_CVALN_TAG(&rrd), (bool)RRD_CVTAG(&rrd)); - netdev->last_rx = jiffies; (*num_pkts)++; } while (*num_pkts < max_pkts); |
