diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 96 |
1 files changed, 66 insertions, 30 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 44da877d2483..df5580dcdfed 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/ethtool.h> #include <linux/io.h> +#include "stmmac_pcs.h" #include "dwmac4.h" static void dwmac4_core_init(struct mac_device_info *hw, int mtu) @@ -31,10 +32,31 @@ static void dwmac4_core_init(struct mac_device_info *hw, int mtu) if (mtu > 2000) value |= GMAC_CONFIG_JE; + if (hw->ps) { + value |= GMAC_CONFIG_TE; + + if (hw->ps == SPEED_1000) { + value &= ~GMAC_CONFIG_PS; + } else { + value |= GMAC_CONFIG_PS; + + if (hw->ps == SPEED_10) + value &= ~GMAC_CONFIG_FES; + else + value |= GMAC_CONFIG_FES; + } + } + writel(value, ioaddr + GMAC_CONFIG); /* Mask GMAC interrupts */ - writel(GMAC_INT_PMT_EN, ioaddr + GMAC_INT_EN); + value = GMAC_INT_DEFAULT_MASK; + if (hw->pmt) + value |= GMAC_INT_PMT_EN; + if (hw->pcs) + value |= GMAC_PCS_IRQ_DEFAULT; + + writel(value, ioaddr + GMAC_INT_EN); } static void dwmac4_dump_regs(struct mac_device_info *hw) @@ -190,39 +212,53 @@ static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, } } -static void dwmac4_ctrl_ane(struct mac_device_info *hw, bool restart) +static void dwmac4_ctrl_ane(void __iomem *ioaddr, bool ane, bool srgmi_ral, + bool loopback) { - void __iomem *ioaddr = hw->pcsr; - - /* auto negotiation enable and External Loopback enable */ - u32 value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; + dwmac_ctrl_ane(ioaddr, GMAC_PCS_BASE, ane, srgmi_ral, loopback); +} - if (restart) - value |= GMAC_AN_CTRL_RAN; +static void dwmac4_rane(void __iomem *ioaddr, bool restart) +{ + dwmac_rane(ioaddr, GMAC_PCS_BASE, restart); +} - writel(value, ioaddr + GMAC_AN_CTRL); +static void dwmac4_get_adv_lp(void __iomem *ioaddr, struct rgmii_adv *adv) +{ + dwmac_get_adv_lp(ioaddr, GMAC_PCS_BASE, adv); } -static void dwmac4_get_adv(struct mac_device_info *hw, struct rgmii_adv *adv) +/* RGMII or SMII interface */ +static void dwmac4_phystatus(void __iomem *ioaddr, struct stmmac_extra_stats *x) { - void __iomem *ioaddr = hw->pcsr; - u32 value = readl(ioaddr + GMAC_AN_ADV); + u32 status; - if (value & GMAC_AN_FD) - adv->duplex = DUPLEX_FULL; - if (value & GMAC_AN_HD) - adv->duplex |= DUPLEX_HALF; + status = readl(ioaddr + GMAC_PHYIF_CONTROL_STATUS); + x->irq_rgmii_n++; - adv->pause = (value & GMAC_AN_PSE_MASK) >> GMAC_AN_PSE_SHIFT; + /* Check the link status */ + if (status & GMAC_PHYIF_CTRLSTATUS_LNKSTS) { + int speed_value; - value = readl(ioaddr + GMAC_AN_LPA); + x->pcs_link = 1; + + speed_value = ((status & GMAC_PHYIF_CTRLSTATUS_SPEED) >> + GMAC_PHYIF_CTRLSTATUS_SPEED_SHIFT); + if (speed_value == GMAC_PHYIF_CTRLSTATUS_SPEED_125) + x->pcs_speed = SPEED_1000; + else if (speed_value == GMAC_PHYIF_CTRLSTATUS_SPEED_25) + x->pcs_speed = SPEED_100; + else + x->pcs_speed = SPEED_10; - if (value & GMAC_AN_FD) - adv->lp_duplex = DUPLEX_FULL; - if (value & GMAC_AN_HD) - adv->lp_duplex = DUPLEX_HALF; + x->pcs_duplex = (status & GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK); - adv->lp_pause = (value & GMAC_AN_PSE_MASK) >> GMAC_AN_PSE_SHIFT; + pr_info("Link is Up - %d/%s\n", (int)x->pcs_speed, + x->pcs_duplex ? "Full" : "Half"); + } else { + x->pcs_link = 0; + pr_info("Link is Down\n"); + } } static int dwmac4_irq_status(struct mac_device_info *hw, @@ -248,11 +284,6 @@ static int dwmac4_irq_status(struct mac_device_info *hw, x->irq_receive_pmt_irq_n++; } - if ((intr_status & pcs_ane_irq) || (intr_status & pcs_link_irq)) { - readl(ioaddr + GMAC_AN_STATUS); - x->irq_pcs_ane_n++; - } - mtl_int_qx_status = readl(ioaddr + MTL_INT_STATUS); /* Check MTL Interrupt: Currently only one queue is used: Q0. */ if (mtl_int_qx_status & MTL_INT_Q0) { @@ -267,6 +298,10 @@ static int dwmac4_irq_status(struct mac_device_info *hw, } } + dwmac_pcs_isr(ioaddr, GMAC_PCS_BASE, intr_status, x); + if (intr_status & PCS_RGSMIIIS_IRQ) + dwmac4_phystatus(ioaddr, x); + return ret; } @@ -363,8 +398,9 @@ static const struct stmmac_ops dwmac4_ops = { .pmt = dwmac4_pmt, .set_umac_addr = dwmac4_set_umac_addr, .get_umac_addr = dwmac4_get_umac_addr, - .ctrl_ane = dwmac4_ctrl_ane, - .get_adv = dwmac4_get_adv, + .pcs_ctrl_ane = dwmac4_ctrl_ane, + .pcs_rane = dwmac4_rane, + .pcs_get_adv_lp = dwmac4_get_adv_lp, .debug = dwmac4_debug, .set_filter = dwmac4_set_filter, }; |