diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-ethtool.c | 261 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-mac.c | 114 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-mac.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-phy.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-phy.h | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-sgmii-fsm9900.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2400.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2432.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-sgmii.c | 183 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-sgmii.h | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac.c | 90 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac.h | 126 |
13 files changed, 602 insertions, 224 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/Makefile b/drivers/net/ethernet/qualcomm/emac/Makefile index 7a6687982dae..fc57cedf4c0c 100644 --- a/drivers/net/ethernet/qualcomm/emac/Makefile +++ b/drivers/net/ethernet/qualcomm/emac/Makefile @@ -4,6 +4,6 @@ obj-$(CONFIG_QCOM_EMAC) += qcom-emac.o -qcom-emac-objs := emac.o emac-mac.o emac-phy.o emac-sgmii.o \ +qcom-emac-objs := emac.o emac-mac.o emac-phy.o emac-sgmii.o emac-ethtool.o \ emac-sgmii-fsm9900.o emac-sgmii-qdf2432.o \ emac-sgmii-qdf2400.o diff --git a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c new file mode 100644 index 000000000000..bbe24639aa5a --- /dev/null +++ b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c @@ -0,0 +1,261 @@ +/* Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/ethtool.h> +#include <linux/phy.h> + +#include "emac.h" + +static const char * const emac_ethtool_stat_strings[] = { + "rx_ok", + "rx_bcast", + "rx_mcast", + "rx_pause", + "rx_ctrl", + "rx_fcs_err", + "rx_len_err", + "rx_byte_cnt", + "rx_runt", + "rx_frag", + "rx_sz_64", + "rx_sz_65_127", + "rx_sz_128_255", + "rx_sz_256_511", + "rx_sz_512_1023", + "rx_sz_1024_1518", + "rx_sz_1519_max", + "rx_sz_ov", + "rx_rxf_ov", + "rx_align_err", + "rx_bcast_byte_cnt", + "rx_mcast_byte_cnt", + "rx_err_addr", + "rx_crc_align", + "rx_jabbers", + "tx_ok", + "tx_bcast", + "tx_mcast", + "tx_pause", + "tx_exc_defer", + "tx_ctrl", + "tx_defer", + "tx_byte_cnt", + "tx_sz_64", + "tx_sz_65_127", + "tx_sz_128_255", + "tx_sz_256_511", + "tx_sz_512_1023", + "tx_sz_1024_1518", + "tx_sz_1519_max", + "tx_1_col", + "tx_2_col", + "tx_late_col", + "tx_abort_col", + "tx_underrun", + "tx_rd_eop", + "tx_len_err", + "tx_trunc", + "tx_bcast_byte", + "tx_mcast_byte", + "tx_col", +}; + +#define EMAC_STATS_LEN ARRAY_SIZE(emac_ethtool_stat_strings) + +static u32 emac_get_msglevel(struct net_device *netdev) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + return adpt->msg_enable; +} + +static void emac_set_msglevel(struct net_device *netdev, u32 data) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + adpt->msg_enable = data; +} + +static int emac_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return EMAC_STATS_LEN; + default: + return -EOPNOTSUPP; + } +} + +static void emac_get_strings(struct net_device *netdev, u32 stringset, u8 *data) +{ + unsigned int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < EMAC_STATS_LEN; i++) { + strlcpy(data, emac_ethtool_stat_strings[i], + ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + break; + } +} + +static void emac_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, + u64 *data) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + spin_lock(&adpt->stats.lock); + + emac_update_hw_stats(adpt); + memcpy(data, &adpt->stats, EMAC_STATS_LEN * sizeof(u64)); + + spin_unlock(&adpt->stats.lock); +} + +static int emac_nway_reset(struct net_device *netdev) +{ + struct phy_device *phydev = netdev->phydev; + + if (!phydev) + return -ENODEV; + + return genphy_restart_aneg(phydev); +} + +static void emac_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + ring->rx_max_pending = EMAC_MAX_RX_DESCS; + ring->tx_max_pending = EMAC_MAX_TX_DESCS; + ring->rx_pending = adpt->rx_desc_cnt; + ring->tx_pending = adpt->tx_desc_cnt; +} + +static int emac_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + /* We don't have separate queues/rings for small/large frames, so + * reject any attempt to specify those values separately. + */ + if (ring->rx_mini_pending || ring->rx_jumbo_pending) + return -EINVAL; + + adpt->tx_desc_cnt = + clamp_val(ring->tx_pending, EMAC_MIN_TX_DESCS, EMAC_MAX_TX_DESCS); + + adpt->rx_desc_cnt = + clamp_val(ring->rx_pending, EMAC_MIN_RX_DESCS, EMAC_MAX_RX_DESCS); + + if (netif_running(netdev)) + return emac_reinit_locked(adpt); + + return 0; +} + +static void emac_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + pause->autoneg = adpt->automatic ? AUTONEG_ENABLE : AUTONEG_DISABLE; + pause->rx_pause = adpt->rx_flow_control ? 1 : 0; + pause->tx_pause = adpt->tx_flow_control ? 1 : 0; +} + +static int emac_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + + adpt->automatic = pause->autoneg == AUTONEG_ENABLE; + adpt->rx_flow_control = pause->rx_pause != 0; + adpt->tx_flow_control = pause->tx_pause != 0; + + if (netif_running(netdev)) + return emac_reinit_locked(adpt); + + return 0; +} + +/* Selected registers that might want to track during runtime. */ +static const u16 emac_regs[] = { + EMAC_DMA_MAS_CTRL, + EMAC_MAC_CTRL, + EMAC_TXQ_CTRL_0, + EMAC_RXQ_CTRL_0, + EMAC_DMA_CTRL, + EMAC_INT_MASK, + EMAC_AXI_MAST_CTRL, + EMAC_CORE_HW_VERSION, + EMAC_MISC_CTRL, +}; + +/* Every time emac_regs[] above is changed, increase this version number. */ +#define EMAC_REGS_VERSION 0 + +#define EMAC_MAX_REG_SIZE ARRAY_SIZE(emac_regs) + +static void emac_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *buff) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + u32 *val = buff; + unsigned int i; + + regs->version = EMAC_REGS_VERSION; + regs->len = EMAC_MAX_REG_SIZE * sizeof(u32); + + for (i = 0; i < EMAC_MAX_REG_SIZE; i++) + val[i] = readl(adpt->base + emac_regs[i]); +} + +static int emac_get_regs_len(struct net_device *netdev) +{ + return EMAC_MAX_REG_SIZE * sizeof(u32); +} + +static const struct ethtool_ops emac_ethtool_ops = { + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, + + .get_msglevel = emac_get_msglevel, + .set_msglevel = emac_set_msglevel, + + .get_sset_count = emac_get_sset_count, + .get_strings = emac_get_strings, + .get_ethtool_stats = emac_get_ethtool_stats, + + .get_ringparam = emac_get_ringparam, + .set_ringparam = emac_set_ringparam, + + .get_pauseparam = emac_get_pauseparam, + .set_pauseparam = emac_set_pauseparam, + + .nway_reset = emac_nway_reset, + + .get_link = ethtool_op_get_link, + + .get_regs_len = emac_get_regs_len, + .get_regs = emac_get_regs, +}; + +void emac_set_ethtool_ops(struct net_device *netdev) +{ + netdev->ethtool_ops = &emac_ethtool_ops; +} 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); diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.h b/drivers/net/ethernet/qualcomm/emac/emac-mac.h index f3aa24dc4a29..5028fb4bec2b 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.h +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.h @@ -230,7 +230,6 @@ struct emac_adapter; int emac_mac_up(struct emac_adapter *adpt); void emac_mac_down(struct emac_adapter *adpt); void emac_mac_reset(struct emac_adapter *adpt); -void emac_mac_start(struct emac_adapter *adpt); void emac_mac_stop(struct emac_adapter *adpt); void emac_mac_mode_config(struct emac_adapter *adpt); void emac_mac_rx_process(struct emac_adapter *adpt, struct emac_rx_queue *rx_q, diff --git a/drivers/net/ethernet/qualcomm/emac/emac-phy.c b/drivers/net/ethernet/qualcomm/emac/emac-phy.c index 2851b4c56570..441c19366489 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-phy.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-phy.c @@ -22,8 +22,6 @@ #include <linux/acpi.h> #include "emac.h" #include "emac-mac.h" -#include "emac-phy.h" -#include "emac-sgmii.h" /* EMAC base register offsets */ #define EMAC_MDIO_CTRL 0x001414 @@ -228,8 +226,5 @@ int emac_phy_config(struct platform_device *pdev, struct emac_adapter *adpt) return -ENODEV; } - if (adpt->phydev->drv) - phy_attached_print(adpt->phydev, NULL); - return 0; } diff --git a/drivers/net/ethernet/qualcomm/emac/emac-phy.h b/drivers/net/ethernet/qualcomm/emac/emac-phy.h index 49f3701a6dd7..c0c301c72129 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-phy.h +++ b/drivers/net/ethernet/qualcomm/emac/emac-phy.h @@ -13,19 +13,6 @@ #ifndef _EMAC_PHY_H_ #define _EMAC_PHY_H_ -typedef int (*emac_sgmii_initialize)(struct emac_adapter *adpt); - -/** emac_phy - internal emac phy - * @base base address - * @digital per-lane digital block - * @initialize initialization function - */ -struct emac_phy { - void __iomem *base; - void __iomem *digital; - emac_sgmii_initialize initialize; -}; - struct emac_adapter; int emac_phy_config(struct platform_device *pdev, struct emac_adapter *adpt); diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-fsm9900.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-fsm9900.c index af690e1a6e7b..10de8d0d9a56 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-fsm9900.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-fsm9900.c @@ -214,7 +214,7 @@ static const struct emac_reg_write tx_rx_setting[] = { int emac_sgmii_init_fsm9900(struct emac_adapter *adpt) { - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; unsigned int i; emac_reg_write_all(phy->base, physical_coding_sublayer_programming, diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2400.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2400.c index 5b8419498ef1..f62c215be779 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2400.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2400.c @@ -174,7 +174,7 @@ static const struct emac_reg_write physical_coding_sublayer_programming[] = { int emac_sgmii_init_qdf2400(struct emac_adapter *adpt) { - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; void __iomem *phy_regs = phy->base; void __iomem *laned = phy->digital; unsigned int i; diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2432.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2432.c index 6170200d7479..b9c0df7bdd15 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2432.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii-qdf2432.c @@ -167,7 +167,7 @@ static const struct emac_reg_write physical_coding_sublayer_programming[] = { int emac_sgmii_init_qdf2432(struct emac_adapter *adpt) { - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; void __iomem *phy_regs = phy->base; void __iomem *laned = phy->digital; unsigned int i; diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c index bf722a9bb09d..040b28977ee7 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c @@ -25,7 +25,9 @@ #define EMAC_SGMII_PHY_SPEED_CFG1 0x0074 #define EMAC_SGMII_PHY_IRQ_CMD 0x00ac #define EMAC_SGMII_PHY_INTERRUPT_CLEAR 0x00b0 +#define EMAC_SGMII_PHY_INTERRUPT_MASK 0x00b4 #define EMAC_SGMII_PHY_INTERRUPT_STATUS 0x00b8 +#define EMAC_SGMII_PHY_RX_CHK_STATUS 0x00d4 #define FORCE_AN_TX_CFG BIT(5) #define FORCE_AN_RX_CFG BIT(4) @@ -36,6 +38,8 @@ #define SPDMODE_100 BIT(0) #define SPDMODE_10 0 +#define CDR_ALIGN_DET BIT(6) + #define IRQ_GLOBAL_CLEAR BIT(0) #define DECODE_CODE_ERR BIT(7) @@ -44,52 +48,28 @@ #define SGMII_PHY_IRQ_CLR_WAIT_TIME 10 #define SGMII_PHY_INTERRUPT_ERR (DECODE_CODE_ERR | DECODE_DISP_ERR) +#define SGMII_ISR_MASK (SGMII_PHY_INTERRUPT_ERR) #define SERDES_START_WAIT_TIMES 100 -static int emac_sgmii_link_init(struct emac_adapter *adpt) +/* Initialize the SGMII link between the internal and external PHYs. */ +static void emac_sgmii_link_init(struct emac_adapter *adpt) { - struct phy_device *phydev = adpt->phydev; - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; u32 val; + /* Always use autonegotiation. It works no matter how the external + * PHY is configured. + */ val = readl(phy->base + EMAC_SGMII_PHY_AUTONEG_CFG2); - - if (phydev->autoneg == AUTONEG_ENABLE) { - val &= ~(FORCE_AN_RX_CFG | FORCE_AN_TX_CFG); - val |= AN_ENABLE; - writel(val, phy->base + EMAC_SGMII_PHY_AUTONEG_CFG2); - } else { - u32 speed_cfg; - - switch (phydev->speed) { - case SPEED_10: - speed_cfg = SPDMODE_10; - break; - case SPEED_100: - speed_cfg = SPDMODE_100; - break; - case SPEED_1000: - speed_cfg = SPDMODE_1000; - break; - default: - return -EINVAL; - } - - if (phydev->duplex == DUPLEX_FULL) - speed_cfg |= DUPLEX_MODE; - - val &= ~AN_ENABLE; - writel(speed_cfg, phy->base + EMAC_SGMII_PHY_SPEED_CFG1); - writel(val, phy->base + EMAC_SGMII_PHY_AUTONEG_CFG2); - } - - return 0; + val &= ~(FORCE_AN_RX_CFG | FORCE_AN_TX_CFG); + val |= AN_ENABLE; + writel(val, phy->base + EMAC_SGMII_PHY_AUTONEG_CFG2); } static int emac_sgmii_irq_clear(struct emac_adapter *adpt, u32 irq_bits) { - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; u32 status; writel_relaxed(irq_bits, phy->base + EMAC_SGMII_PHY_INTERRUPT_CLEAR); @@ -121,9 +101,54 @@ static int emac_sgmii_irq_clear(struct emac_adapter *adpt, u32 irq_bits) return 0; } +/* The number of decode errors that triggers a reset */ +#define DECODE_ERROR_LIMIT 2 + +static irqreturn_t emac_sgmii_interrupt(int irq, void *data) +{ + struct emac_adapter *adpt = data; + struct emac_sgmii *phy = &adpt->phy; + u32 status; + + status = readl(phy->base + EMAC_SGMII_PHY_INTERRUPT_STATUS); + status &= SGMII_ISR_MASK; + if (!status) + return IRQ_HANDLED; + + /* If we get a decoding error and CDR is not locked, then try + * resetting the internal PHY. The internal PHY uses an embedded + * clock with Clock and Data Recovery (CDR) to recover the + * clock and data. + */ + if (status & SGMII_PHY_INTERRUPT_ERR) { + int count; + + /* The SGMII is capable of recovering from some decode + * errors automatically. However, if we get multiple + * decode errors in a row, then assume that something + * is wrong and reset the interface. + */ + count = atomic_inc_return(&phy->decode_error_count); + if (count == DECODE_ERROR_LIMIT) { + schedule_work(&adpt->work_thread); + atomic_set(&phy->decode_error_count, 0); + } + } else { + /* We only care about consecutive decode errors. */ + atomic_set(&phy->decode_error_count, 0); + } + + if (emac_sgmii_irq_clear(adpt, status)) { + netdev_warn(adpt->netdev, "failed to clear SGMII interrupt\n"); + schedule_work(&adpt->work_thread); + } + + return IRQ_HANDLED; +} + static void emac_sgmii_reset_prepare(struct emac_adapter *adpt) { - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; u32 val; /* Reset PHY */ @@ -145,12 +170,7 @@ void emac_sgmii_reset(struct emac_adapter *adpt) int ret; emac_sgmii_reset_prepare(adpt); - - ret = emac_sgmii_link_init(adpt); - if (ret) { - netdev_err(adpt->netdev, "unsupported link speed\n"); - return; - } + emac_sgmii_link_init(adpt); ret = adpt->phy.initialize(adpt); if (ret) @@ -159,6 +179,68 @@ void emac_sgmii_reset(struct emac_adapter *adpt) ret); } +static int emac_sgmii_open(struct emac_adapter *adpt) +{ + struct emac_sgmii *sgmii = &adpt->phy; + int ret; + + if (sgmii->irq) { + /* Make sure interrupts are cleared and disabled first */ + ret = emac_sgmii_irq_clear(adpt, 0xff); + if (ret) + return ret; + writel(0, sgmii->base + EMAC_SGMII_PHY_INTERRUPT_MASK); + + ret = request_irq(sgmii->irq, emac_sgmii_interrupt, 0, + "emac-sgmii", adpt); + if (ret) { + netdev_err(adpt->netdev, + "could not register handler for internal PHY\n"); + return ret; + } + } + + return 0; +} + +static int emac_sgmii_close(struct emac_adapter *adpt) +{ + struct emac_sgmii *sgmii = &adpt->phy; + + /* Make sure interrupts are disabled */ + writel(0, sgmii->base + EMAC_SGMII_PHY_INTERRUPT_MASK); + free_irq(sgmii->irq, adpt); + + return 0; +} + +/* The error interrupts are only valid after the link is up */ +static int emac_sgmii_link_up(struct emac_adapter *adpt) +{ + struct emac_sgmii *sgmii = &adpt->phy; + int ret; + + /* Clear and enable interrupts */ + ret = emac_sgmii_irq_clear(adpt, 0xff); + if (ret) + return ret; + + writel(SGMII_ISR_MASK, sgmii->base + EMAC_SGMII_PHY_INTERRUPT_MASK); + + return 0; +} + +static int emac_sgmii_link_down(struct emac_adapter *adpt) +{ + struct emac_sgmii *sgmii = &adpt->phy; + + /* Disable interrupts */ + writel(0, sgmii->base + EMAC_SGMII_PHY_INTERRUPT_MASK); + synchronize_irq(sgmii->irq); + + return 0; +} + static int emac_sgmii_acpi_match(struct device *dev, void *data) { #ifdef CONFIG_ACPI @@ -169,7 +251,7 @@ static int emac_sgmii_acpi_match(struct device *dev, void *data) {} }; const struct acpi_device_id *id = acpi_match_device(match_table, dev); - emac_sgmii_initialize *initialize = data; + emac_sgmii_function *initialize = data; if (id) { acpi_handle handle = ACPI_HANDLE(dev); @@ -217,7 +299,7 @@ static const struct of_device_id emac_sgmii_dt_match[] = { int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt) { struct platform_device *sgmii_pdev = NULL; - struct emac_phy *phy = &adpt->phy; + struct emac_sgmii *phy = &adpt->phy; struct resource *res; int ret; @@ -256,9 +338,14 @@ int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt) goto error_put_device; } - phy->initialize = (emac_sgmii_initialize)match->data; + phy->initialize = (emac_sgmii_function)match->data; } + phy->open = emac_sgmii_open; + phy->close = emac_sgmii_close; + phy->link_up = emac_sgmii_link_up; + phy->link_down = emac_sgmii_link_down; + /* Base address is the first address */ res = platform_get_resource(sgmii_pdev, IORESOURCE_MEM, 0); if (!res) { @@ -286,7 +373,11 @@ int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt) if (ret) goto error; - emac_sgmii_irq_clear(adpt, SGMII_PHY_INTERRUPT_ERR); + emac_sgmii_link_init(adpt); + + ret = platform_get_irq(sgmii_pdev, 0); + if (ret > 0) + phy->irq = ret; /* We've remapped the addresses, so we don't need the device any * more. of_find_device_by_node() says we should release it. diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.h b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.h index 80ed3dc3157a..e7c0c3b2baa4 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.h +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.h @@ -16,6 +16,31 @@ struct emac_adapter; struct platform_device; +typedef int (*emac_sgmii_function)(struct emac_adapter *adpt); + +/** emac_sgmii - internal emac phy + * @base base address + * @digital per-lane digital block + * @irq the interrupt number + * @decode_error_count reference count of consecutive decode errors + * @initialize initialization function + * @open called when the driver is opened + * @close called when the driver is closed + * @link_up called when the link comes up + * @link_down called when the link comes down + */ +struct emac_sgmii { + void __iomem *base; + void __iomem *digital; + unsigned int irq; + atomic_t decode_error_count; + emac_sgmii_function initialize; + emac_sgmii_function open; + emac_sgmii_function close; + emac_sgmii_function link_up; + emac_sgmii_function link_down; +}; + int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt); void emac_sgmii_reset(struct emac_adapter *adpt); diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c index f46d300bd585..28a8cdc36485 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac.c @@ -129,7 +129,7 @@ static int emac_napi_rtx(struct napi_struct *napi, int budget) emac_mac_rx_process(adpt, rx_q, &work_done, budget); if (work_done < budget) { - napi_complete(napi); + napi_complete_done(napi, work_done); irq->mask |= rx_q->intr; writel(irq->mask, adpt->base + EMAC_INT_MASK); @@ -256,22 +256,37 @@ static int emac_change_mtu(struct net_device *netdev, int new_mtu) static int emac_open(struct net_device *netdev) { struct emac_adapter *adpt = netdev_priv(netdev); + struct emac_irq *irq = &adpt->irq; int ret; + ret = request_irq(irq->irq, emac_isr, 0, "emac-core0", irq); + if (ret) { + netdev_err(adpt->netdev, "could not request emac-core0 irq\n"); + return ret; + } + /* allocate rx/tx dma buffer & descriptors */ ret = emac_mac_rx_tx_rings_alloc_all(adpt); if (ret) { netdev_err(adpt->netdev, "error allocating rx/tx rings\n"); + free_irq(irq->irq, irq); return ret; } ret = emac_mac_up(adpt); if (ret) { emac_mac_rx_tx_rings_free_all(adpt); + free_irq(irq->irq, irq); return ret; } - emac_mac_start(adpt); + ret = adpt->phy.open(adpt); + if (ret) { + emac_mac_down(adpt); + emac_mac_rx_tx_rings_free_all(adpt); + free_irq(irq->irq, irq); + return ret; + } return 0; } @@ -283,9 +298,12 @@ static int emac_close(struct net_device *netdev) mutex_lock(&adpt->reset_lock); + adpt->phy.close(adpt); emac_mac_down(adpt); emac_mac_rx_tx_rings_free_all(adpt); + free_irq(adpt->irq.irq, &adpt->irq); + mutex_unlock(&adpt->reset_lock); return 0; @@ -311,45 +329,56 @@ static int emac_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return phy_mii_ioctl(netdev->phydev, ifr, cmd); } -/* Provide network statistics info for the interface */ -static struct rtnl_link_stats64 *emac_get_stats64(struct net_device *netdev, - struct rtnl_link_stats64 *net_stats) +/** + * emac_update_hw_stats - read the EMAC stat registers + * + * Reads the stats registers and write the values to adpt->stats. + * + * adpt->stats.lock must be held while calling this function, + * and while reading from adpt->stats. + */ +void emac_update_hw_stats(struct emac_adapter *adpt) { - struct emac_adapter *adpt = netdev_priv(netdev); - unsigned int addr = REG_MAC_RX_STATUS_BIN; struct emac_stats *stats = &adpt->stats; u64 *stats_itr = &adpt->stats.rx_ok; - u32 val; - - spin_lock(&stats->lock); + void __iomem *base = adpt->base; + unsigned int addr; + addr = REG_MAC_RX_STATUS_BIN; while (addr <= REG_MAC_RX_STATUS_END) { - val = readl_relaxed(adpt->base + addr); - *stats_itr += val; + *stats_itr += readl_relaxed(base + addr); stats_itr++; addr += sizeof(u32); } /* additional rx status */ - val = readl_relaxed(adpt->base + EMAC_RXMAC_STATC_REG23); - adpt->stats.rx_crc_align += val; - val = readl_relaxed(adpt->base + EMAC_RXMAC_STATC_REG24); - adpt->stats.rx_jabbers += val; + stats->rx_crc_align += readl_relaxed(base + EMAC_RXMAC_STATC_REG23); + stats->rx_jabbers += readl_relaxed(base + EMAC_RXMAC_STATC_REG24); /* update tx status */ addr = REG_MAC_TX_STATUS_BIN; - stats_itr = &adpt->stats.tx_ok; + stats_itr = &stats->tx_ok; while (addr <= REG_MAC_TX_STATUS_END) { - val = readl_relaxed(adpt->base + addr); - *stats_itr += val; - ++stats_itr; + *stats_itr += readl_relaxed(base + addr); + stats_itr++; addr += sizeof(u32); } /* additional tx status */ - val = readl_relaxed(adpt->base + EMAC_TXMAC_STATC_REG25); - adpt->stats.tx_col += val; + stats->tx_col += readl_relaxed(base + EMAC_TXMAC_STATC_REG25); +} + +/* Provide network statistics info for the interface */ +static void emac_get_stats64(struct net_device *netdev, + struct rtnl_link_stats64 *net_stats) +{ + struct emac_adapter *adpt = netdev_priv(netdev); + struct emac_stats *stats = &adpt->stats; + + spin_lock(&stats->lock); + + emac_update_hw_stats(adpt); /* return parsed statistics */ net_stats->rx_packets = stats->rx_ok; @@ -377,8 +406,6 @@ static struct rtnl_link_stats64 *emac_get_stats64(struct net_device *netdev, net_stats->tx_window_errors = stats->tx_late_col; spin_unlock(&stats->lock); - - return net_stats; } static const struct net_device_ops emac_netdev_ops = { @@ -409,6 +436,10 @@ static void emac_init_adapter(struct emac_adapter *adpt) { u32 reg; + adpt->rrd_size = EMAC_RRD_SIZE; + adpt->tpd_size = EMAC_TPD_SIZE; + adpt->rfd_size = EMAC_RFD_SIZE; + /* descriptors */ adpt->tx_desc_cnt = EMAC_DEF_TX_DESCS; adpt->rx_desc_cnt = EMAC_DEF_RX_DESCS; @@ -429,6 +460,9 @@ static void emac_init_adapter(struct emac_adapter *adpt) /* others */ adpt->preamble = EMAC_PREAMBLE_DEF; + + /* default to automatic flow control */ + adpt->automatic = true; } /* Get the clock */ @@ -593,7 +627,7 @@ static int emac_probe(struct platform_device *pdev) { struct net_device *netdev; struct emac_adapter *adpt; - struct emac_phy *phy; + struct emac_sgmii *phy; u16 devid, revid; u32 reg; int ret; @@ -620,12 +654,14 @@ static int emac_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, netdev); SET_NETDEV_DEV(netdev, &pdev->dev); + emac_set_ethtool_ops(netdev); adpt = netdev_priv(netdev); adpt->netdev = netdev; adpt->msg_enable = EMAC_MSG_DEFAULT; phy = &adpt->phy; + atomic_set(&phy->decode_error_count, 0); mutex_init(&adpt->reset_lock); spin_lock_init(&adpt->stats.lock); @@ -646,10 +682,6 @@ static int emac_probe(struct platform_device *pdev) netdev->watchdog_timeo = EMAC_WATCHDOG_TIME; netdev->irq = adpt->irq.irq; - adpt->rrd_size = EMAC_RRD_SIZE; - adpt->tpd_size = EMAC_TPD_SIZE; - adpt->rfd_size = EMAC_RFD_SIZE; - netdev->netdev_ops = &emac_netdev_ops; emac_init_adapter(adpt); diff --git a/drivers/net/ethernet/qualcomm/emac/emac.h b/drivers/net/ethernet/qualcomm/emac/emac.h index 0c76e6cb8c9e..8ee4ec6aef2e 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.h +++ b/drivers/net/ethernet/qualcomm/emac/emac.h @@ -19,37 +19,88 @@ #include <linux/platform_device.h> #include "emac-mac.h" #include "emac-phy.h" +#include "emac-sgmii.h" /* EMAC base register offsets */ -#define EMAC_DMA_MAS_CTRL 0x001400 -#define EMAC_IRQ_MOD_TIM_INIT 0x001408 -#define EMAC_BLK_IDLE_STS 0x00140c -#define EMAC_PHY_LINK_DELAY 0x00141c -#define EMAC_SYS_ALIV_CTRL 0x001434 -#define EMAC_MAC_IPGIFG_CTRL 0x001484 -#define EMAC_MAC_STA_ADDR0 0x001488 -#define EMAC_MAC_STA_ADDR1 0x00148c -#define EMAC_HASH_TAB_REG0 0x001490 -#define EMAC_HASH_TAB_REG1 0x001494 -#define EMAC_MAC_HALF_DPLX_CTRL 0x001498 -#define EMAC_MAX_FRAM_LEN_CTRL 0x00149c -#define EMAC_INT_STATUS 0x001600 -#define EMAC_INT_MASK 0x001604 -#define EMAC_RXMAC_STATC_REG0 0x001700 -#define EMAC_RXMAC_STATC_REG22 0x001758 -#define EMAC_TXMAC_STATC_REG0 0x001760 -#define EMAC_TXMAC_STATC_REG24 0x0017c0 -#define EMAC_CORE_HW_VERSION 0x001974 -#define EMAC_IDT_TABLE0 0x001b00 -#define EMAC_RXMAC_STATC_REG23 0x001bc8 -#define EMAC_RXMAC_STATC_REG24 0x001bcc -#define EMAC_TXMAC_STATC_REG25 0x001bd0 -#define EMAC_INT1_MASK 0x001bf0 -#define EMAC_INT1_STATUS 0x001bf4 -#define EMAC_INT2_MASK 0x001bf8 -#define EMAC_INT2_STATUS 0x001bfc -#define EMAC_INT3_MASK 0x001c00 -#define EMAC_INT3_STATUS 0x001c04 +#define EMAC_DMA_MAS_CTRL 0x1400 +#define EMAC_IRQ_MOD_TIM_INIT 0x1408 +#define EMAC_BLK_IDLE_STS 0x140c +#define EMAC_PHY_LINK_DELAY 0x141c +#define EMAC_SYS_ALIV_CTRL 0x1434 +#define EMAC_MAC_CTRL 0x1480 +#define EMAC_MAC_IPGIFG_CTRL 0x1484 +#define EMAC_MAC_STA_ADDR0 0x1488 +#define EMAC_MAC_STA_ADDR1 0x148c +#define EMAC_HASH_TAB_REG0 0x1490 +#define EMAC_HASH_TAB_REG1 0x1494 +#define EMAC_MAC_HALF_DPLX_CTRL 0x1498 +#define EMAC_MAX_FRAM_LEN_CTRL 0x149c +#define EMAC_WOL_CTRL0 0x14a0 +#define EMAC_RSS_KEY0 0x14b0 +#define EMAC_H1TPD_BASE_ADDR_LO 0x14e0 +#define EMAC_H2TPD_BASE_ADDR_LO 0x14e4 +#define EMAC_H3TPD_BASE_ADDR_LO 0x14e8 +#define EMAC_INTER_SRAM_PART9 0x1534 +#define EMAC_DESC_CTRL_0 0x1540 +#define EMAC_DESC_CTRL_1 0x1544 +#define EMAC_DESC_CTRL_2 0x1550 +#define EMAC_DESC_CTRL_10 0x1554 +#define EMAC_DESC_CTRL_12 0x1558 +#define EMAC_DESC_CTRL_13 0x155c +#define EMAC_DESC_CTRL_3 0x1560 +#define EMAC_DESC_CTRL_4 0x1564 +#define EMAC_DESC_CTRL_5 0x1568 +#define EMAC_DESC_CTRL_14 0x156c +#define EMAC_DESC_CTRL_15 0x1570 +#define EMAC_DESC_CTRL_16 0x1574 +#define EMAC_DESC_CTRL_6 0x1578 +#define EMAC_DESC_CTRL_8 0x1580 +#define EMAC_DESC_CTRL_9 0x1584 +#define EMAC_DESC_CTRL_11 0x1588 +#define EMAC_TXQ_CTRL_0 0x1590 +#define EMAC_TXQ_CTRL_1 0x1594 +#define EMAC_TXQ_CTRL_2 0x1598 +#define EMAC_RXQ_CTRL_0 0x15a0 +#define EMAC_RXQ_CTRL_1 0x15a4 +#define EMAC_RXQ_CTRL_2 0x15a8 +#define EMAC_RXQ_CTRL_3 0x15ac +#define EMAC_BASE_CPU_NUMBER 0x15b8 +#define EMAC_DMA_CTRL 0x15c0 +#define EMAC_MAILBOX_0 0x15e0 +#define EMAC_MAILBOX_5 0x15e4 +#define EMAC_MAILBOX_6 0x15e8 +#define EMAC_MAILBOX_13 0x15ec +#define EMAC_MAILBOX_2 0x15f4 +#define EMAC_MAILBOX_3 0x15f8 +#define EMAC_INT_STATUS 0x1600 +#define EMAC_INT_MASK 0x1604 +#define EMAC_MAILBOX_11 0x160c +#define EMAC_AXI_MAST_CTRL 0x1610 +#define EMAC_MAILBOX_12 0x1614 +#define EMAC_MAILBOX_9 0x1618 +#define EMAC_MAILBOX_10 0x161c +#define EMAC_ATHR_HEADER_CTRL 0x1620 +#define EMAC_RXMAC_STATC_REG0 0x1700 +#define EMAC_RXMAC_STATC_REG22 0x1758 +#define EMAC_TXMAC_STATC_REG0 0x1760 +#define EMAC_TXMAC_STATC_REG24 0x17c0 +#define EMAC_CLK_GATE_CTRL 0x1814 +#define EMAC_CORE_HW_VERSION 0x1974 +#define EMAC_MISC_CTRL 0x1990 +#define EMAC_MAILBOX_7 0x19e0 +#define EMAC_MAILBOX_8 0x19e4 +#define EMAC_IDT_TABLE0 0x1b00 +#define EMAC_RXMAC_STATC_REG23 0x1bc8 +#define EMAC_RXMAC_STATC_REG24 0x1bcc +#define EMAC_TXMAC_STATC_REG25 0x1bd0 +#define EMAC_MAILBOX_15 0x1bd4 +#define EMAC_MAILBOX_16 0x1bd8 +#define EMAC_INT1_MASK 0x1bf0 +#define EMAC_INT1_STATUS 0x1bf4 +#define EMAC_INT2_MASK 0x1bf8 +#define EMAC_INT2_STATUS 0x1bfc +#define EMAC_INT3_MASK 0x1c00 +#define EMAC_INT3_STATUS 0x1c04 /* EMAC_DMA_MAS_CTRL */ #define DEV_ID_NUM_BMSK 0x7f000000 @@ -166,10 +217,6 @@ enum emac_clk_id { #define EMAC_MAX_SETUP_LNK_CYCLE 100 -/* Wake On Lan */ -#define EMAC_WOL_PHY 0x00000001 /* PHY Status Change */ -#define EMAC_WOL_MAGIC 0x00000002 /* Magic Packet */ - struct emac_stats { /* rx */ u64 rx_ok; /* good packets */ @@ -291,7 +338,7 @@ struct emac_adapter { void __iomem *base; void __iomem *csr; - struct emac_phy phy; + struct emac_sgmii phy; struct emac_stats stats; struct emac_irq irq; @@ -309,6 +356,13 @@ struct emac_adapter { unsigned int rxbuf_size; + /* Flow control / pause frames support. If automatic=True, do whatever + * the PHY does. Otherwise, use tx_flow_control and rx_flow_control. + */ + bool automatic; + bool tx_flow_control; + bool rx_flow_control; + /* Ring parameter */ u8 tpd_burst; u8 rfd_burst; @@ -330,6 +384,8 @@ struct emac_adapter { int emac_reinit_locked(struct emac_adapter *adpt); void emac_reg_update32(void __iomem *addr, u32 mask, u32 val); -irqreturn_t emac_isr(int irq, void *data); + +void emac_set_ethtool_ops(struct net_device *netdev); +void emac_update_hw_stats(struct emac_adapter *adpt); #endif /* _EMAC_H_ */ |