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openwrt/target/linux/sunxi/patches-4.9/0053-stmmac-form-4-13.patch
Kevin Darbyshire-Bryant d8565a06dc kernel: bump 4.9 to 4.9.77 
Refresh patches.
Remove upstreamed patches:

target/linux/generic/backport-4.9/023-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch
target/linux/generic/backport-4.9/023-3-cx82310_eth-use-skb_cow_head-to-deal-with-cloned-skb.patch
target/linux/generic/backport-4.9/023-4-sr9700-use-skb_cow_head-to-deal-with-cloned-skbs.patch
target/linux/generic/backport-4.9/023-5-lan78xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch

CVEs completely or partially addressed:

CVE-2017-5715
CVE-2017-5753
CVE-2017-17741
CVE-2017-1000410

Compile-tested: ar71xx Archer C7 v2
Run-tested: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-01-20 20:22:01 +01:00

1925 lines
53 KiB
Diff
Raw Blame History

--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -145,6 +145,17 @@ config DWMAC_SUNXI
This selects Allwinner SoC glue layer support for the
stmmac device driver. This driver is used for A20/A31
GMAC ethernet controller.
+
+config DWMAC_SUN8I
+ tristate "Allwinner sun8i GMAC support"
+ default ARCH_SUNXI
+ depends on OF && (ARCH_SUNXI || COMPILE_TEST)
+ ---help---
+ Support for Allwinner H3 A83T A64 EMAC ethernet controllers.
+
+ This selects Allwinner SoC glue layer support for the
+ stmmac device driver. This driver is used for H3/A83T/A64
+ EMAC ethernet controller.
endif
config STMMAC_PCI
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_DWMAC_SOCFPGA) += dwmac-alt
obj-$(CONFIG_DWMAC_STI) += dwmac-sti.o
obj-$(CONFIG_DWMAC_STM32) += dwmac-stm32.o
obj-$(CONFIG_DWMAC_SUNXI) += dwmac-sunxi.o
+obj-$(CONFIG_DWMAC_SUN8I) += dwmac-sun8i.o
obj-$(CONFIG_DWMAC_DWC_QOS_ETH) += dwmac-dwc-qos-eth.o
obj-$(CONFIG_DWMAC_GENERIC) += dwmac-generic.o
stmmac-platform-objs:= stmmac_platform.o
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -549,9 +549,11 @@ extern const struct stmmac_hwtimestamp s
extern const struct stmmac_mode_ops dwmac4_ring_mode_ops;
struct mac_link {
- int port;
- int duplex;
- int speed;
+ u32 speed_mask;
+ u32 speed10;
+ u32 speed100;
+ u32 speed1000;
+ u32 duplex;
};
struct mii_regs {
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -269,7 +269,10 @@ static int socfpga_dwmac_set_phy_mode(st
ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift);
ctrl |= val << reg_shift;
- if (dwmac->f2h_ptp_ref_clk) {
+ if (dwmac->f2h_ptp_ref_clk ||
+ phymode == PHY_INTERFACE_MODE_MII ||
+ phymode == PHY_INTERFACE_MODE_GMII ||
+ phymode == PHY_INTERFACE_MODE_SGMII) {
ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
&module);
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -0,0 +1,1007 @@
+/*
+ * dwmac-sun8i.c - Allwinner sun8i DWMAC specific glue layer
+ *
+ * Copyright (C) 2017 Corentin Labbe <clabbe.montjoie@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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/clk.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
+#include <linux/stmmac.h>
+
+#include "stmmac.h"
+#include "stmmac_platform.h"
+
+/* General notes on dwmac-sun8i:
+ * Locking: no locking is necessary in this file because all necessary locking
+ * is done in the "stmmac files"
+ */
+
+/* struct emac_variant - Descrive dwmac-sun8i hardware variant
+ * @default_syscon_value: The default value of the EMAC register in syscon
+ * This value is used for disabling properly EMAC
+ * and used as a good starting value in case of the
+ * boot process(uboot) leave some stuff.
+ * @internal_phy: Does the MAC embed an internal PHY
+ * @support_mii: Does the MAC handle MII
+ * @support_rmii: Does the MAC handle RMII
+ * @support_rgmii: Does the MAC handle RGMII
+ */
+struct emac_variant {
+ u32 default_syscon_value;
+ int internal_phy;
+ bool support_mii;
+ bool support_rmii;
+ bool support_rgmii;
+};
+
+/* struct sunxi_priv_data - hold all sunxi private data
+ * @tx_clk: reference to MAC TX clock
+ * @ephy_clk: reference to the optional EPHY clock for the internal PHY
+ * @regulator: reference to the optional regulator
+ * @rst_ephy: reference to the optional EPHY reset for the internal PHY
+ * @variant: reference to the current board variant
+ * @regmap: regmap for using the syscon
+ * @use_internal_phy: Does the current PHY choice imply using the internal PHY
+ */
+struct sunxi_priv_data {
+ struct clk *tx_clk;
+ struct clk *ephy_clk;
+ struct regulator *regulator;
+ struct reset_control *rst_ephy;
+ const struct emac_variant *variant;
+ struct regmap *regmap;
+ bool use_internal_phy;
+};
+
+static const struct emac_variant emac_variant_h3 = {
+ .default_syscon_value = 0x58000,
+ .internal_phy = PHY_INTERFACE_MODE_MII,
+ .support_mii = true,
+ .support_rmii = true,
+ .support_rgmii = true
+};
+
+static const struct emac_variant emac_variant_v3s = {
+ .default_syscon_value = 0x38000,
+ .internal_phy = PHY_INTERFACE_MODE_MII,
+ .support_mii = true
+};
+
+static const struct emac_variant emac_variant_a83t = {
+ .default_syscon_value = 0,
+ .internal_phy = 0,
+ .support_mii = true,
+ .support_rgmii = true
+};
+
+static const struct emac_variant emac_variant_a64 = {
+ .default_syscon_value = 0,
+ .internal_phy = 0,
+ .support_mii = true,
+ .support_rmii = true,
+ .support_rgmii = true
+};
+
+#define EMAC_BASIC_CTL0 0x00
+#define EMAC_BASIC_CTL1 0x04
+#define EMAC_INT_STA 0x08
+#define EMAC_INT_EN 0x0C
+#define EMAC_TX_CTL0 0x10
+#define EMAC_TX_CTL1 0x14
+#define EMAC_TX_FLOW_CTL 0x1C
+#define EMAC_TX_DESC_LIST 0x20
+#define EMAC_RX_CTL0 0x24
+#define EMAC_RX_CTL1 0x28
+#define EMAC_RX_DESC_LIST 0x34
+#define EMAC_RX_FRM_FLT 0x38
+#define EMAC_MDIO_CMD 0x48
+#define EMAC_MDIO_DATA 0x4C
+#define EMAC_MACADDR_HI(reg) (0x50 + (reg) * 8)
+#define EMAC_MACADDR_LO(reg) (0x54 + (reg) * 8)
+#define EMAC_TX_DMA_STA 0xB0
+#define EMAC_TX_CUR_DESC 0xB4
+#define EMAC_TX_CUR_BUF 0xB8
+#define EMAC_RX_DMA_STA 0xC0
+#define EMAC_RX_CUR_DESC 0xC4
+#define EMAC_RX_CUR_BUF 0xC8
+
+/* Use in EMAC_BASIC_CTL0 */
+#define EMAC_DUPLEX_FULL BIT(0)
+#define EMAC_LOOPBACK BIT(1)
+#define EMAC_SPEED_1000 0
+#define EMAC_SPEED_100 (0x03 << 2)
+#define EMAC_SPEED_10 (0x02 << 2)
+
+/* Use in EMAC_BASIC_CTL1 */
+#define EMAC_BURSTLEN_SHIFT 24
+
+/* Used in EMAC_RX_FRM_FLT */
+#define EMAC_FRM_FLT_RXALL BIT(0)
+#define EMAC_FRM_FLT_CTL BIT(13)
+#define EMAC_FRM_FLT_MULTICAST BIT(16)
+
+/* Used in RX_CTL1*/
+#define EMAC_RX_MD BIT(1)
+#define EMAC_RX_TH_MASK GENMASK(4, 5)
+#define EMAC_RX_TH_32 0
+#define EMAC_RX_TH_64 (0x1 << 4)
+#define EMAC_RX_TH_96 (0x2 << 4)
+#define EMAC_RX_TH_128 (0x3 << 4)
+#define EMAC_RX_DMA_EN BIT(30)
+#define EMAC_RX_DMA_START BIT(31)
+
+/* Used in TX_CTL1*/
+#define EMAC_TX_MD BIT(1)
+#define EMAC_TX_NEXT_FRM BIT(2)
+#define EMAC_TX_TH_MASK GENMASK(8, 10)
+#define EMAC_TX_TH_64 0
+#define EMAC_TX_TH_128 (0x1 << 8)
+#define EMAC_TX_TH_192 (0x2 << 8)
+#define EMAC_TX_TH_256 (0x3 << 8)
+#define EMAC_TX_DMA_EN BIT(30)
+#define EMAC_TX_DMA_START BIT(31)
+
+/* Used in RX_CTL0 */
+#define EMAC_RX_RECEIVER_EN BIT(31)
+#define EMAC_RX_DO_CRC BIT(27)
+#define EMAC_RX_FLOW_CTL_EN BIT(16)
+
+/* Used in TX_CTL0 */
+#define EMAC_TX_TRANSMITTER_EN BIT(31)
+
+/* Used in EMAC_TX_FLOW_CTL */
+#define EMAC_TX_FLOW_CTL_EN BIT(0)
+
+/* Used in EMAC_INT_STA */
+#define EMAC_TX_INT BIT(0)
+#define EMAC_TX_DMA_STOP_INT BIT(1)
+#define EMAC_TX_BUF_UA_INT BIT(2)
+#define EMAC_TX_TIMEOUT_INT BIT(3)
+#define EMAC_TX_UNDERFLOW_INT BIT(4)
+#define EMAC_TX_EARLY_INT BIT(5)
+#define EMAC_RX_INT BIT(8)
+#define EMAC_RX_BUF_UA_INT BIT(9)
+#define EMAC_RX_DMA_STOP_INT BIT(10)
+#define EMAC_RX_TIMEOUT_INT BIT(11)
+#define EMAC_RX_OVERFLOW_INT BIT(12)
+#define EMAC_RX_EARLY_INT BIT(13)
+#define EMAC_RGMII_STA_INT BIT(16)
+
+#define MAC_ADDR_TYPE_DST BIT(31)
+
+/* H3 specific bits for EPHY */
+#define H3_EPHY_ADDR_SHIFT 20
+#define H3_EPHY_CLK_SEL BIT(18) /* 1: 24MHz, 0: 25MHz */
+#define H3_EPHY_LED_POL BIT(17) /* 1: active low, 0: active high */
+#define H3_EPHY_SHUTDOWN BIT(16) /* 1: shutdown, 0: power up */
+#define H3_EPHY_SELECT BIT(15) /* 1: internal PHY, 0: external PHY */
+
+/* H3/A64 specific bits */
+#define SYSCON_RMII_EN BIT(13) /* 1: enable RMII (overrides EPIT) */
+
+/* Generic system control EMAC_CLK bits */
+#define SYSCON_ETXDC_MASK GENMASK(2, 0)
+#define SYSCON_ETXDC_SHIFT 10
+#define SYSCON_ERXDC_MASK GENMASK(4, 0)
+#define SYSCON_ERXDC_SHIFT 5
+/* EMAC PHY Interface Type */
+#define SYSCON_EPIT BIT(2) /* 1: RGMII, 0: MII */
+#define SYSCON_ETCS_MASK GENMASK(1, 0)
+#define SYSCON_ETCS_MII 0x0
+#define SYSCON_ETCS_EXT_GMII 0x1
+#define SYSCON_ETCS_INT_GMII 0x2
+#define SYSCON_EMAC_REG 0x30
+
+/* sun8i_dwmac_dma_reset() - reset the EMAC
+ * Called from stmmac via stmmac_dma_ops->reset
+ */
+static int sun8i_dwmac_dma_reset(void __iomem *ioaddr)
+{
+ writel(0, ioaddr + EMAC_RX_CTL1);
+ writel(0, ioaddr + EMAC_TX_CTL1);
+ writel(0, ioaddr + EMAC_RX_FRM_FLT);
+ writel(0, ioaddr + EMAC_RX_DESC_LIST);
+ writel(0, ioaddr + EMAC_TX_DESC_LIST);
+ writel(0, ioaddr + EMAC_INT_EN);
+ writel(0x1FFFFFF, ioaddr + EMAC_INT_STA);
+ return 0;
+}
+
+/* sun8i_dwmac_dma_init() - initialize the EMAC
+ * Called from stmmac via stmmac_dma_ops->init
+ */
+static void sun8i_dwmac_dma_init(void __iomem *ioaddr,
+ struct stmmac_dma_cfg *dma_cfg,
+ u32 dma_tx, u32 dma_rx, int atds)
+{
+ /* Write TX and RX descriptors address */
+ writel(dma_rx, ioaddr + EMAC_RX_DESC_LIST);
+ writel(dma_tx, ioaddr + EMAC_TX_DESC_LIST);
+
+ writel(EMAC_RX_INT | EMAC_TX_INT, ioaddr + EMAC_INT_EN);
+ writel(0x1FFFFFF, ioaddr + EMAC_INT_STA);
+}
+
+/* sun8i_dwmac_dump_regs() - Dump EMAC address space
+ * Called from stmmac_dma_ops->dump_regs
+ * Used for ethtool
+ */
+static void sun8i_dwmac_dump_regs(void __iomem *ioaddr, u32 *reg_space)
+{
+ int i;
+
+ for (i = 0; i < 0xC8; i += 4) {
+ if (i == 0x32 || i == 0x3C)
+ continue;
+ reg_space[i / 4] = readl(ioaddr + i);
+ }
+}
+
+/* sun8i_dwmac_dump_mac_regs() - Dump EMAC address space
+ * Called from stmmac_ops->dump_regs
+ * Used for ethtool
+ */
+static void sun8i_dwmac_dump_mac_regs(struct mac_device_info *hw,
+ u32 *reg_space)
+{
+ int i;
+ void __iomem *ioaddr = hw->pcsr;
+
+ for (i = 0; i < 0xC8; i += 4) {
+ if (i == 0x32 || i == 0x3C)
+ continue;
+ reg_space[i / 4] = readl(ioaddr + i);
+ }
+}
+
+static void sun8i_dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan)
+{
+ writel(EMAC_RX_INT | EMAC_TX_INT, ioaddr + EMAC_INT_EN);
+}
+
+static void sun8i_dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan)
+{
+ writel(0, ioaddr + EMAC_INT_EN);
+}
+
+static void sun8i_dwmac_dma_start_tx(void __iomem *ioaddr, u32 chan)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_TX_CTL1);
+ v |= EMAC_TX_DMA_START;
+ v |= EMAC_TX_DMA_EN;
+ writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_enable_dma_transmission(void __iomem *ioaddr)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_TX_CTL1);
+ v |= EMAC_TX_DMA_START;
+ v |= EMAC_TX_DMA_EN;
+ writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_dma_stop_tx(void __iomem *ioaddr, u32 chan)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_TX_CTL1);
+ v &= ~EMAC_TX_DMA_EN;
+ writel(v, ioaddr + EMAC_TX_CTL1);
+}
+
+static void sun8i_dwmac_dma_start_rx(void __iomem *ioaddr, u32 chan)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_RX_CTL1);
+ v |= EMAC_RX_DMA_START;
+ v |= EMAC_RX_DMA_EN;
+ writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static void sun8i_dwmac_dma_stop_rx(void __iomem *ioaddr, u32 chan)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_RX_CTL1);
+ v &= ~EMAC_RX_DMA_EN;
+ writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static int sun8i_dwmac_dma_interrupt(void __iomem *ioaddr,
+ struct stmmac_extra_stats *x, u32 chan)
+{
+ u32 v;
+ int ret = 0;
+
+ v = readl(ioaddr + EMAC_INT_STA);
+
+ if (v & EMAC_TX_INT) {
+ ret |= handle_tx;
+ x->tx_normal_irq_n++;
+ }
+
+ if (v & EMAC_TX_DMA_STOP_INT)
+ x->tx_process_stopped_irq++;
+
+ if (v & EMAC_TX_BUF_UA_INT)
+ x->tx_process_stopped_irq++;
+
+ if (v & EMAC_TX_TIMEOUT_INT)
+ ret |= tx_hard_error;
+
+ if (v & EMAC_TX_UNDERFLOW_INT) {
+ ret |= tx_hard_error;
+ x->tx_undeflow_irq++;
+ }
+
+ if (v & EMAC_TX_EARLY_INT)
+ x->tx_early_irq++;
+
+ if (v & EMAC_RX_INT) {
+ ret |= handle_rx;
+ x->rx_normal_irq_n++;
+ }
+
+ if (v & EMAC_RX_BUF_UA_INT)
+ x->rx_buf_unav_irq++;
+
+ if (v & EMAC_RX_DMA_STOP_INT)
+ x->rx_process_stopped_irq++;
+
+ if (v & EMAC_RX_TIMEOUT_INT)
+ ret |= tx_hard_error;
+
+ if (v & EMAC_RX_OVERFLOW_INT) {
+ ret |= tx_hard_error;
+ x->rx_overflow_irq++;
+ }
+
+ if (v & EMAC_RX_EARLY_INT)
+ x->rx_early_irq++;
+
+ if (v & EMAC_RGMII_STA_INT)
+ x->irq_rgmii_n++;
+
+ writel(v, ioaddr + EMAC_INT_STA);
+
+ return ret;
+}
+
+static void sun8i_dwmac_dma_operation_mode(void __iomem *ioaddr, int txmode,
+ int rxmode, int rxfifosz)
+{
+ u32 v;
+
+ v = readl(ioaddr + EMAC_TX_CTL1);
+ if (txmode == SF_DMA_MODE) {
+ v |= EMAC_TX_MD;
+ /* Undocumented bit (called TX_NEXT_FRM in BSP), the original
+ * comment is
+ * "Operating on second frame increase the performance
+ * especially when transmit store-and-forward is used."
+ */
+ v |= EMAC_TX_NEXT_FRM;
+ } else {
+ v &= ~EMAC_TX_MD;
+ v &= ~EMAC_TX_TH_MASK;
+ if (txmode < 64)
+ v |= EMAC_TX_TH_64;
+ else if (txmode < 128)
+ v |= EMAC_TX_TH_128;
+ else if (txmode < 192)
+ v |= EMAC_TX_TH_192;
+ else if (txmode < 256)
+ v |= EMAC_TX_TH_256;
+ }
+ writel(v, ioaddr + EMAC_TX_CTL1);
+
+ v = readl(ioaddr + EMAC_RX_CTL1);
+ if (rxmode == SF_DMA_MODE) {
+ v |= EMAC_RX_MD;
+ } else {
+ v &= ~EMAC_RX_MD;
+ v &= ~EMAC_RX_TH_MASK;
+ if (rxmode < 32)
+ v |= EMAC_RX_TH_32;
+ else if (rxmode < 64)
+ v |= EMAC_RX_TH_64;
+ else if (rxmode < 96)
+ v |= EMAC_RX_TH_96;
+ else if (rxmode < 128)
+ v |= EMAC_RX_TH_128;
+ }
+ writel(v, ioaddr + EMAC_RX_CTL1);
+}
+
+static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = {
+ .reset = sun8i_dwmac_dma_reset,
+ .init = sun8i_dwmac_dma_init,
+ .dump_regs = sun8i_dwmac_dump_regs,
+ .dma_mode = sun8i_dwmac_dma_operation_mode,
+ .enable_dma_transmission = sun8i_dwmac_enable_dma_transmission,
+ .enable_dma_irq = sun8i_dwmac_enable_dma_irq,
+ .disable_dma_irq = sun8i_dwmac_disable_dma_irq,
+ .start_tx = sun8i_dwmac_dma_start_tx,
+ .stop_tx = sun8i_dwmac_dma_stop_tx,
+ .start_rx = sun8i_dwmac_dma_start_rx,
+ .stop_rx = sun8i_dwmac_dma_stop_rx,
+ .dma_interrupt = sun8i_dwmac_dma_interrupt,
+};
+
+static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
+{
+ struct sunxi_priv_data *gmac = priv;
+ int ret;
+
+ if (gmac->regulator) {
+ ret = regulator_enable(gmac->regulator);
+ if (ret) {
+ dev_err(&pdev->dev, "Fail to enable regulator\n");
+ return ret;
+ }
+ }
+
+ ret = clk_prepare_enable(gmac->tx_clk);
+ if (ret) {
+ if (gmac->regulator)
+ regulator_disable(gmac->regulator);
+ dev_err(&pdev->dev, "Could not enable AHB clock\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void sun8i_dwmac_core_init(struct mac_device_info *hw, int mtu)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 v;
+
+ v = (8 << EMAC_BURSTLEN_SHIFT); /* burst len */
+ writel(v, ioaddr + EMAC_BASIC_CTL1);
+}
+
+static void sun8i_dwmac_set_mac(void __iomem *ioaddr, bool enable)
+{
+ u32 t, r;
+
+ t = readl(ioaddr + EMAC_TX_CTL0);
+ r = readl(ioaddr + EMAC_RX_CTL0);
+ if (enable) {
+ t |= EMAC_TX_TRANSMITTER_EN;
+ r |= EMAC_RX_RECEIVER_EN;
+ } else {
+ t &= ~EMAC_TX_TRANSMITTER_EN;
+ r &= ~EMAC_RX_RECEIVER_EN;
+ }
+ writel(t, ioaddr + EMAC_TX_CTL0);
+ writel(r, ioaddr + EMAC_RX_CTL0);
+}
+
+/* Set MAC address at slot reg_n
+ * All slot > 0 need to be enabled with MAC_ADDR_TYPE_DST
+ * If addr is NULL, clear the slot
+ */
+static void sun8i_dwmac_set_umac_addr(struct mac_device_info *hw,
+ unsigned char *addr,
+ unsigned int reg_n)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 v;
+
+ if (!addr) {
+ writel(0, ioaddr + EMAC_MACADDR_HI(reg_n));
+ return;
+ }
+
+ stmmac_set_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
+ EMAC_MACADDR_LO(reg_n));
+ if (reg_n > 0) {
+ v = readl(ioaddr + EMAC_MACADDR_HI(reg_n));
+ v |= MAC_ADDR_TYPE_DST;
+ writel(v, ioaddr + EMAC_MACADDR_HI(reg_n));
+ }
+}
+
+static void sun8i_dwmac_get_umac_addr(struct mac_device_info *hw,
+ unsigned char *addr,
+ unsigned int reg_n)
+{
+ void __iomem *ioaddr = hw->pcsr;
+
+ stmmac_get_mac_addr(ioaddr, addr, EMAC_MACADDR_HI(reg_n),
+ EMAC_MACADDR_LO(reg_n));
+}
+
+/* caution this function must return non 0 to work */
+static int sun8i_dwmac_rx_ipc_enable(struct mac_device_info *hw)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 v;
+
+ v = readl(ioaddr + EMAC_RX_CTL0);
+ v |= EMAC_RX_DO_CRC;
+ writel(v, ioaddr + EMAC_RX_CTL0);
+
+ return 1;
+}
+
+static void sun8i_dwmac_set_filter(struct mac_device_info *hw,
+ struct net_device *dev)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 v;
+ int i = 1;
+ struct netdev_hw_addr *ha;
+ int macaddrs = netdev_uc_count(dev) + netdev_mc_count(dev) + 1;
+
+ v = EMAC_FRM_FLT_CTL;
+
+ if (dev->flags & IFF_PROMISC) {
+ v = EMAC_FRM_FLT_RXALL;
+ } else if (dev->flags & IFF_ALLMULTI) {
+ v |= EMAC_FRM_FLT_MULTICAST;
+ } else if (macaddrs <= hw->unicast_filter_entries) {
+ if (!netdev_mc_empty(dev)) {
+ netdev_for_each_mc_addr(ha, dev) {
+ sun8i_dwmac_set_umac_addr(hw, ha->addr, i);
+ i++;
+ }
+ }
+ if (!netdev_uc_empty(dev)) {
+ netdev_for_each_uc_addr(ha, dev) {
+ sun8i_dwmac_set_umac_addr(hw, ha->addr, i);
+ i++;
+ }
+ }
+ } else {
+ netdev_info(dev, "Too many address, switching to promiscuous\n");
+ v = EMAC_FRM_FLT_RXALL;
+ }
+
+ /* Disable unused address filter slots */
+ while (i < hw->unicast_filter_entries)
+ sun8i_dwmac_set_umac_addr(hw, NULL, i++);
+
+ writel(v, ioaddr + EMAC_RX_FRM_FLT);
+}
+
+static void sun8i_dwmac_flow_ctrl(struct mac_device_info *hw,
+ unsigned int duplex, unsigned int fc,
+ unsigned int pause_time, u32 tx_cnt)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 v;
+
+ v = readl(ioaddr + EMAC_RX_CTL0);
+ if (fc == FLOW_AUTO)
+ v |= EMAC_RX_FLOW_CTL_EN;
+ else
+ v &= ~EMAC_RX_FLOW_CTL_EN;
+ writel(v, ioaddr + EMAC_RX_CTL0);
+
+ v = readl(ioaddr + EMAC_TX_FLOW_CTL);
+ if (fc == FLOW_AUTO)
+ v |= EMAC_TX_FLOW_CTL_EN;
+ else
+ v &= ~EMAC_TX_FLOW_CTL_EN;
+ writel(v, ioaddr + EMAC_TX_FLOW_CTL);
+}
+
+static int sun8i_dwmac_reset(struct stmmac_priv *priv)
+{
+ u32 v;
+ int err;
+
+ v = readl(priv->ioaddr + EMAC_BASIC_CTL1);
+ writel(v | 0x01, priv->ioaddr + EMAC_BASIC_CTL1);
+
+ /* The timeout was previoulsy set to 10ms, but some board (OrangePI0)
+ * need more if no cable plugged. 100ms seems OK
+ */
+ err = readl_poll_timeout(priv->ioaddr + EMAC_BASIC_CTL1, v,
+ !(v & 0x01), 100, 100000);
+
+ if (err) {
+ dev_err(priv->device, "EMAC reset timeout\n");
+ return -EFAULT;
+ }
+ return 0;
+}
+
+static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
+{
+ struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+ struct device_node *node = priv->device->of_node;
+ int ret;
+ u32 reg, val;
+
+ regmap_read(gmac->regmap, SYSCON_EMAC_REG, &val);
+ reg = gmac->variant->default_syscon_value;
+ if (reg != val)
+ dev_warn(priv->device,
+ "Current syscon value is not the default %x (expect %x)\n",
+ val, reg);
+
+ if (gmac->variant->internal_phy) {
+ if (!gmac->use_internal_phy) {
+ /* switch to external PHY interface */
+ reg &= ~H3_EPHY_SELECT;
+ } else {
+ reg |= H3_EPHY_SELECT;
+ reg &= ~H3_EPHY_SHUTDOWN;
+ dev_dbg(priv->device, "Select internal_phy %x\n", reg);
+
+ if (of_property_read_bool(priv->plat->phy_node,
+ "allwinner,leds-active-low"))
+ reg |= H3_EPHY_LED_POL;
+ else
+ reg &= ~H3_EPHY_LED_POL;
+
+ /* Force EPHY xtal frequency to 24MHz. */
+ reg |= H3_EPHY_CLK_SEL;
+
+ ret = of_mdio_parse_addr(priv->device,
+ priv->plat->phy_node);
+ if (ret < 0) {
+ dev_err(priv->device, "Could not parse MDIO addr\n");
+ return ret;
+ }
+ /* of_mdio_parse_addr returns a valid (0 ~ 31) PHY
+ * address. No need to mask it again.
+ */
+ reg |= ret << H3_EPHY_ADDR_SHIFT;
+ }
+ }
+
+ if (!of_property_read_u32(node, "allwinner,tx-delay-ps", &val)) {
+ if (val % 100) {
+ dev_err(priv->device, "tx-delay must be a multiple of 100\n");
+ return -EINVAL;
+ }
+ val /= 100;
+ dev_dbg(priv->device, "set tx-delay to %x\n", val);
+ if (val <= SYSCON_ETXDC_MASK) {
+ reg &= ~(SYSCON_ETXDC_MASK << SYSCON_ETXDC_SHIFT);
+ reg |= (val << SYSCON_ETXDC_SHIFT);
+ } else {
+ dev_err(priv->device, "Invalid TX clock delay: %d\n",
+ val);
+ return -EINVAL;
+ }
+ }
+
+ if (!of_property_read_u32(node, "allwinner,rx-delay-ps", &val)) {
+ if (val % 100) {
+ dev_err(priv->device, "rx-delay must be a multiple of 100\n");
+ return -EINVAL;
+ }
+ val /= 100;
+ dev_dbg(priv->device, "set rx-delay to %x\n", val);
+ if (val <= SYSCON_ERXDC_MASK) {
+ reg &= ~(SYSCON_ERXDC_MASK << SYSCON_ERXDC_SHIFT);
+ reg |= (val << SYSCON_ERXDC_SHIFT);
+ } else {
+ dev_err(priv->device, "Invalid RX clock delay: %d\n",
+ val);
+ return -EINVAL;
+ }
+ }
+
+ /* Clear interface mode bits */
+ reg &= ~(SYSCON_ETCS_MASK | SYSCON_EPIT);
+ if (gmac->variant->support_rmii)
+ reg &= ~SYSCON_RMII_EN;
+
+ switch (priv->plat->interface) {
+ case PHY_INTERFACE_MODE_MII:
+ /* default */
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ reg |= SYSCON_EPIT | SYSCON_ETCS_INT_GMII;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ reg |= SYSCON_RMII_EN | SYSCON_ETCS_EXT_GMII;
+ break;
+ default:
+ dev_err(priv->device, "Unsupported interface mode: %s",
+ phy_modes(priv->plat->interface));
+ return -EINVAL;
+ }
+
+ regmap_write(gmac->regmap, SYSCON_EMAC_REG, reg);
+
+ return 0;
+}
+
+static void sun8i_dwmac_unset_syscon(struct sunxi_priv_data *gmac)
+{
+ u32 reg = gmac->variant->default_syscon_value;
+
+ regmap_write(gmac->regmap, SYSCON_EMAC_REG, reg);
+}
+
+static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv)
+{
+ struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+ int ret;
+
+ if (!gmac->use_internal_phy)
+ return 0;
+
+ ret = clk_prepare_enable(gmac->ephy_clk);
+ if (ret) {
+ dev_err(priv->device, "Cannot enable ephy\n");
+ return ret;
+ }
+
+ /* Make sure the EPHY is properly reseted, as U-Boot may leave
+ * it at deasserted state, and thus it may fail to reset EMAC.
+ */
+ reset_control_assert(gmac->rst_ephy);
+
+ ret = reset_control_deassert(gmac->rst_ephy);
+ if (ret) {
+ dev_err(priv->device, "Cannot deassert ephy\n");
+ clk_disable_unprepare(gmac->ephy_clk);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sun8i_dwmac_unpower_internal_phy(struct sunxi_priv_data *gmac)
+{
+ if (!gmac->use_internal_phy)
+ return 0;
+
+ clk_disable_unprepare(gmac->ephy_clk);
+ reset_control_assert(gmac->rst_ephy);
+ return 0;
+}
+
+/* sun8i_power_phy() - Activate the PHY:
+ * In case of error, no need to call sun8i_unpower_phy(),
+ * it will be called anyway by sun8i_dwmac_exit()
+ */
+static int sun8i_power_phy(struct stmmac_priv *priv)
+{
+ int ret;
+
+ ret = sun8i_dwmac_power_internal_phy(priv);
+ if (ret)
+ return ret;
+
+ ret = sun8i_dwmac_set_syscon(priv);
+ if (ret)
+ return ret;
+
+ /* After changing syscon value, the MAC need reset or it will use
+ * the last value (and so the last PHY set.
+ */
+ ret = sun8i_dwmac_reset(priv);
+ if (ret)
+ return ret;
+ return 0;
+}
+
+static void sun8i_unpower_phy(struct sunxi_priv_data *gmac)
+{
+ sun8i_dwmac_unset_syscon(gmac);
+ sun8i_dwmac_unpower_internal_phy(gmac);
+}
+
+static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
+{
+ struct sunxi_priv_data *gmac = priv;
+
+ sun8i_unpower_phy(gmac);
+
+ clk_disable_unprepare(gmac->tx_clk);
+
+ if (gmac->regulator)
+ regulator_disable(gmac->regulator);
+}
+
+static const struct stmmac_ops sun8i_dwmac_ops = {
+ .core_init = sun8i_dwmac_core_init,
+ .set_mac = sun8i_dwmac_set_mac,
+ .dump_regs = sun8i_dwmac_dump_mac_regs,
+ .rx_ipc = sun8i_dwmac_rx_ipc_enable,
+ .set_filter = sun8i_dwmac_set_filter,
+ .flow_ctrl = sun8i_dwmac_flow_ctrl,
+ .set_umac_addr = sun8i_dwmac_set_umac_addr,
+ .get_umac_addr = sun8i_dwmac_get_umac_addr,
+};
+
+static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
+{
+ struct mac_device_info *mac;
+ struct stmmac_priv *priv = ppriv;
+ int ret;
+
+ mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);
+ if (!mac)
+ return NULL;
+
+ ret = sun8i_power_phy(priv);
+ if (ret)
+ return NULL;
+
+ mac->pcsr = priv->ioaddr;
+ mac->mac = &sun8i_dwmac_ops;
+ mac->dma = &sun8i_dwmac_dma_ops;
+
+ /* The loopback bit seems to be re-set when link change
+ * Simply mask it each time
+ * Speed 10/100/1000 are set in BIT(2)/BIT(3)
+ */
+ mac->link.speed_mask = GENMASK(3, 2) | EMAC_LOOPBACK;
+ mac->link.speed10 = EMAC_SPEED_10;
+ mac->link.speed100 = EMAC_SPEED_100;
+ mac->link.speed1000 = EMAC_SPEED_1000;
+ mac->link.duplex = EMAC_DUPLEX_FULL;
+ mac->mii.addr = EMAC_MDIO_CMD;
+ mac->mii.data = EMAC_MDIO_DATA;
+ mac->mii.reg_shift = 4;
+ mac->mii.reg_mask = GENMASK(8, 4);
+ mac->mii.addr_shift = 12;
+ mac->mii.addr_mask = GENMASK(16, 12);
+ mac->mii.clk_csr_shift = 20;
+ mac->mii.clk_csr_mask = GENMASK(22, 20);
+ mac->unicast_filter_entries = 8;
+
+ /* Synopsys Id is not available */
+ priv->synopsys_id = 0;
+
+ return mac;
+}
+
+static int sun8i_dwmac_probe(struct platform_device *pdev)
+{
+ struct plat_stmmacenet_data *plat_dat;
+ struct stmmac_resources stmmac_res;
+ struct sunxi_priv_data *gmac;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+ if (ret)
+ return ret;
+
+ plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+ if (IS_ERR(plat_dat))
+ return PTR_ERR(plat_dat);
+
+ gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
+ if (!gmac)
+ return -ENOMEM;
+
+ gmac->variant = of_device_get_match_data(&pdev->dev);
+ if (!gmac->variant) {
+ dev_err(&pdev->dev, "Missing dwmac-sun8i variant\n");
+ return -EINVAL;
+ }
+
+ gmac->tx_clk = devm_clk_get(dev, "stmmaceth");
+ if (IS_ERR(gmac->tx_clk)) {
+ dev_err(dev, "Could not get TX clock\n");
+ return PTR_ERR(gmac->tx_clk);
+ }
+
+ /* Optional regulator for PHY */
+ gmac->regulator = devm_regulator_get_optional(dev, "phy");
+ if (IS_ERR(gmac->regulator)) {
+ if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ dev_info(dev, "No regulator found\n");
+ gmac->regulator = NULL;
+ }
+
+ gmac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "syscon");
+ if (IS_ERR(gmac->regmap)) {
+ ret = PTR_ERR(gmac->regmap);
+ dev_err(&pdev->dev, "Unable to map syscon: %d\n", ret);
+ return ret;
+ }
+
+ plat_dat->interface = of_get_phy_mode(dev->of_node);
+ if (plat_dat->interface == gmac->variant->internal_phy) {
+ dev_info(&pdev->dev, "Will use internal PHY\n");
+ gmac->use_internal_phy = true;
+ gmac->ephy_clk = of_clk_get(plat_dat->phy_node, 0);
+ if (IS_ERR(gmac->ephy_clk)) {
+ ret = PTR_ERR(gmac->ephy_clk);
+ dev_err(&pdev->dev, "Cannot get EPHY clock: %d\n", ret);
+ return -EINVAL;
+ }
+
+ gmac->rst_ephy = of_reset_control_get(plat_dat->phy_node, NULL);
+ if (IS_ERR(gmac->rst_ephy)) {
+ ret = PTR_ERR(gmac->rst_ephy);
+ if (ret == -EPROBE_DEFER)
+ return ret;
+ dev_err(&pdev->dev, "No EPHY reset control found %d\n",
+ ret);
+ return -EINVAL;
+ }
+ } else {
+ dev_info(&pdev->dev, "Will use external PHY\n");
+ gmac->use_internal_phy = false;
+ }
+
+ /* platform data specifying hardware features and callbacks.
+ * hardware features were copied from Allwinner drivers.
+ */
+ plat_dat->rx_coe = STMMAC_RX_COE_TYPE2;
+ plat_dat->tx_coe = 1;
+ plat_dat->has_sun8i = true;
+ plat_dat->bsp_priv = gmac;
+ plat_dat->init = sun8i_dwmac_init;
+ plat_dat->exit = sun8i_dwmac_exit;
+ plat_dat->setup = sun8i_dwmac_setup;
+
+ ret = sun8i_dwmac_init(pdev, plat_dat->bsp_priv);
+ if (ret)
+ return ret;
+
+ ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ if (ret)
+ sun8i_dwmac_exit(pdev, plat_dat->bsp_priv);
+
+ return ret;
+}
+
+static const struct of_device_id sun8i_dwmac_match[] = {
+ { .compatible = "allwinner,sun8i-h3-emac",
+ .data = &emac_variant_h3 },
+ { .compatible = "allwinner,sun8i-v3s-emac",
+ .data = &emac_variant_v3s },
+ { .compatible = "allwinner,sun8i-a83t-emac",
+ .data = &emac_variant_a83t },
+ { .compatible = "allwinner,sun50i-a64-emac",
+ .data = &emac_variant_a64 },
+ { }
+};
+MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
+
+static struct platform_driver sun8i_dwmac_driver = {
+ .probe = sun8i_dwmac_probe,
+ .remove = stmmac_pltfr_remove,
+ .driver = {
+ .name = "dwmac-sun8i",
+ .pm = &stmmac_pltfr_pm_ops,
+ .of_match_table = sun8i_dwmac_match,
+ },
+};
+module_platform_driver(sun8i_dwmac_driver);
+
+MODULE_AUTHOR("Corentin Labbe <clabbe.montjoie@gmail.com>");
+MODULE_DESCRIPTION("Allwinner sun8i DWMAC specific glue layer");
+MODULE_LICENSE("GPL");
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -45,15 +45,17 @@ static void dwmac1000_core_init(struct m
if (hw->ps) {
value |= GMAC_CONTROL_TE;
- if (hw->ps == SPEED_1000) {
- value &= ~GMAC_CONTROL_PS;
- } else {
- value |= GMAC_CONTROL_PS;
-
- if (hw->ps == SPEED_10)
- value &= ~GMAC_CONTROL_FES;
- else
- value |= GMAC_CONTROL_FES;
+ value &= ~hw->link.speed_mask;
+ switch (hw->ps) {
+ case SPEED_1000:
+ value |= hw->link.speed1000;
+ break;
+ case SPEED_100:
+ value |= hw->link.speed100;
+ break;
+ case SPEED_10:
+ value |= hw->link.speed10;
+ break;
}
}
@@ -531,9 +533,11 @@ struct mac_device_info *dwmac1000_setup(
mac->mac = &dwmac1000_ops;
mac->dma = &dwmac1000_dma_ops;
- mac->link.port = GMAC_CONTROL_PS;
mac->link.duplex = GMAC_CONTROL_DM;
- mac->link.speed = GMAC_CONTROL_FES;
+ mac->link.speed10 = GMAC_CONTROL_PS;
+ mac->link.speed100 = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
+ mac->link.speed1000 = 0;
+ mac->link.speed_mask = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
mac->mii.addr = GMAC_MII_ADDR;
mac->mii.data = GMAC_MII_DATA;
mac->mii.addr_shift = 11;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -205,8 +205,8 @@ static void dwmac1000_dump_dma_regs(void
{
int i;
- for (i = 0; i < 22; i++)
- if ((i < 9) || (i > 17))
+ for (i = 0; i < NUM_DWMAC1000_DMA_REGS; i++)
+ if ((i < 12) || (i > 17))
reg_space[DMA_BUS_MODE / 4 + i] =
readl(ioaddr + DMA_BUS_MODE + i * 4);
}
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
@@ -175,9 +175,11 @@ struct mac_device_info *dwmac100_setup(v
mac->mac = &dwmac100_ops;
mac->dma = &dwmac100_dma_ops;
- mac->link.port = MAC_CONTROL_PS;
mac->link.duplex = MAC_CONTROL_F;
- mac->link.speed = 0;
+ mac->link.speed10 = 0;
+ mac->link.speed100 = 0;
+ mac->link.speed1000 = 0;
+ mac->link.speed_mask = MAC_CONTROL_PS;
mac->mii.addr = MAC_MII_ADDR;
mac->mii.data = MAC_MII_DATA;
mac->mii.addr_shift = 11;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -70,7 +70,7 @@ static void dwmac100_dump_dma_regs(void
{
int i;
- for (i = 0; i < 9; i++)
+ for (i = 0; i < NUM_DWMAC100_DMA_REGS; i++)
reg_space[DMA_BUS_MODE / 4 + i] =
readl(ioaddr + DMA_BUS_MODE + i * 4);
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -35,15 +35,17 @@ static void dwmac4_core_init(struct mac_
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;
+ value &= hw->link.speed_mask;
+ switch (hw->ps) {
+ case SPEED_1000:
+ value |= hw->link.speed1000;
+ break;
+ case SPEED_100:
+ value |= hw->link.speed100;
+ break;
+ case SPEED_10:
+ value |= hw->link.speed10;
+ break;
}
}
@@ -115,7 +117,7 @@ static void dwmac4_tx_queue_routing(stru
void __iomem *ioaddr = hw->pcsr;
u32 value;
- const struct stmmac_rx_routing route_possibilities[] = {
+ static const struct stmmac_rx_routing route_possibilities[] = {
{ GMAC_RXQCTRL_AVCPQ_MASK, GMAC_RXQCTRL_AVCPQ_SHIFT },
{ GMAC_RXQCTRL_PTPQ_MASK, GMAC_RXQCTRL_PTPQ_SHIFT },
{ GMAC_RXQCTRL_DCBCPQ_MASK, GMAC_RXQCTRL_DCBCPQ_SHIFT },
@@ -747,9 +749,11 @@ struct mac_device_info *dwmac4_setup(voi
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
- mac->link.port = GMAC_CONFIG_PS;
mac->link.duplex = GMAC_CONFIG_DM;
- mac->link.speed = GMAC_CONFIG_FES;
+ mac->link.speed10 = GMAC_CONFIG_PS;
+ mac->link.speed100 = GMAC_CONFIG_FES | GMAC_CONFIG_PS;
+ mac->link.speed1000 = 0;
+ mac->link.speed_mask = GMAC_CONFIG_FES | GMAC_CONFIG_PS;
mac->mii.addr = GMAC_MDIO_ADDR;
mac->mii.data = GMAC_MDIO_DATA;
mac->mii.addr_shift = 21;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -71,9 +71,9 @@ static void dwmac4_dma_axi(void __iomem
writel(value, ioaddr + DMA_SYS_BUS_MODE);
}
-void dwmac4_dma_init_rx_chan(void __iomem *ioaddr,
- struct stmmac_dma_cfg *dma_cfg,
- u32 dma_rx_phy, u32 chan)
+static void dwmac4_dma_init_rx_chan(void __iomem *ioaddr,
+ struct stmmac_dma_cfg *dma_cfg,
+ u32 dma_rx_phy, u32 chan)
{
u32 value;
u32 rxpbl = dma_cfg->rxpbl ?: dma_cfg->pbl;
@@ -85,9 +85,9 @@ void dwmac4_dma_init_rx_chan(void __iome
writel(dma_rx_phy, ioaddr + DMA_CHAN_RX_BASE_ADDR(chan));
}
-void dwmac4_dma_init_tx_chan(void __iomem *ioaddr,
- struct stmmac_dma_cfg *dma_cfg,
- u32 dma_tx_phy, u32 chan)
+static void dwmac4_dma_init_tx_chan(void __iomem *ioaddr,
+ struct stmmac_dma_cfg *dma_cfg,
+ u32 dma_tx_phy, u32 chan)
{
u32 value;
u32 txpbl = dma_cfg->txpbl ?: dma_cfg->pbl;
@@ -99,8 +99,8 @@ void dwmac4_dma_init_tx_chan(void __iome
writel(dma_tx_phy, ioaddr + DMA_CHAN_TX_BASE_ADDR(chan));
}
-void dwmac4_dma_init_channel(void __iomem *ioaddr,
- struct stmmac_dma_cfg *dma_cfg, u32 chan)
+static void dwmac4_dma_init_channel(void __iomem *ioaddr,
+ struct stmmac_dma_cfg *dma_cfg, u32 chan)
{
u32 value;
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
@@ -136,6 +136,9 @@
#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
+#define NUM_DWMAC100_DMA_REGS 9
+#define NUM_DWMAC1000_DMA_REGS 23
+
void dwmac_enable_dma_transmission(void __iomem *ioaddr);
void dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan);
void dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan);
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -248,6 +248,7 @@ void stmmac_set_mac_addr(void __iomem *i
data = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
writel(data, ioaddr + low);
}
+EXPORT_SYMBOL_GPL(stmmac_set_mac_addr);
/* Enable disable MAC RX/TX */
void stmmac_set_mac(void __iomem *ioaddr, bool enable)
@@ -279,4 +280,4 @@ void stmmac_get_mac_addr(void __iomem *i
addr[4] = hi_addr & 0xff;
addr[5] = (hi_addr >> 8) & 0xff;
}
-
+EXPORT_SYMBOL_GPL(stmmac_get_mac_addr);
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -104,7 +104,7 @@ struct stmmac_priv {
/* TX Queue */
struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
- int oldlink;
+ bool oldlink;
int speed;
int oldduplex;
unsigned int flow_ctrl;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -29,10 +29,12 @@
#include "stmmac.h"
#include "dwmac_dma.h"
-#define REG_SPACE_SIZE 0x1054
+#define REG_SPACE_SIZE 0x1060
#define MAC100_ETHTOOL_NAME "st_mac100"
#define GMAC_ETHTOOL_NAME "st_gmac"
+#define ETHTOOL_DMA_OFFSET 55
+
struct stmmac_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
@@ -273,7 +275,6 @@ static int stmmac_ethtool_get_link_ksett
{
struct stmmac_priv *priv = netdev_priv(dev);
struct phy_device *phy = dev->phydev;
- int rc;
if (priv->hw->pcs & STMMAC_PCS_RGMII ||
priv->hw->pcs & STMMAC_PCS_SGMII) {
@@ -364,8 +365,8 @@ static int stmmac_ethtool_get_link_ksett
"link speed / duplex setting\n", dev->name);
return -EBUSY;
}
- rc = phy_ethtool_ksettings_get(phy, cmd);
- return rc;
+ phy_ethtool_ksettings_get(phy, cmd);
+ return 0;
}
static int
@@ -443,6 +444,9 @@ static void stmmac_ethtool_gregs(struct
priv->hw->mac->dump_regs(priv->hw, reg_space);
priv->hw->dma->dump_regs(priv->ioaddr, reg_space);
+ /* Copy DMA registers to where ethtool expects them */
+ memcpy(&reg_space[ETHTOOL_DMA_OFFSET], &reg_space[DMA_BUS_MODE / 4],
+ NUM_DWMAC1000_DMA_REGS * 4);
}
static void
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -235,6 +235,17 @@ static void stmmac_clk_csr_set(struct st
else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M))
priv->clk_csr = STMMAC_CSR_250_300M;
}
+
+ if (priv->plat->has_sun8i) {
+ if (clk_rate > 160000000)
+ priv->clk_csr = 0x03;
+ else if (clk_rate > 80000000)
+ priv->clk_csr = 0x02;
+ else if (clk_rate > 40000000)
+ priv->clk_csr = 0x01;
+ else
+ priv->clk_csr = 0;
+ }
}
static void print_pkt(unsigned char *buf, int len)
@@ -789,7 +800,7 @@ static void stmmac_adjust_link(struct ne
struct stmmac_priv *priv = netdev_priv(dev);
struct phy_device *phydev = dev->phydev;
unsigned long flags;
- int new_state = 0;
+ bool new_state = false;
if (!phydev)
return;
@@ -802,8 +813,8 @@ static void stmmac_adjust_link(struct ne
/* Now we make sure that we can be in full duplex mode.
* If not, we operate in half-duplex mode. */
if (phydev->duplex != priv->oldduplex) {
- new_state = 1;
- if (!(phydev->duplex))
+ new_state = true;
+ if (!phydev->duplex)
ctrl &= ~priv->hw->link.duplex;
else
ctrl |= priv->hw->link.duplex;
@@ -814,30 +825,17 @@ static void stmmac_adjust_link(struct ne
stmmac_mac_flow_ctrl(priv, phydev->duplex);
if (phydev->speed != priv->speed) {
- new_state = 1;
+ new_state = true;
+ ctrl &= ~priv->hw->link.speed_mask;
switch (phydev->speed) {
- case 1000:
- if (priv->plat->has_gmac ||
- priv->plat->has_gmac4)
- ctrl &= ~priv->hw->link.port;
+ case SPEED_1000:
+ ctrl |= priv->hw->link.speed1000;
break;
- case 100:
- if (priv->plat->has_gmac ||
- priv->plat->has_gmac4) {
- ctrl |= priv->hw->link.port;
- ctrl |= priv->hw->link.speed;
- } else {
- ctrl &= ~priv->hw->link.port;
- }
+ case SPEED_100:
+ ctrl |= priv->hw->link.speed100;
break;
- case 10:
- if (priv->plat->has_gmac ||
- priv->plat->has_gmac4) {
- ctrl |= priv->hw->link.port;
- ctrl &= ~(priv->hw->link.speed);
- } else {
- ctrl &= ~priv->hw->link.port;
- }
+ case SPEED_10:
+ ctrl |= priv->hw->link.speed10;
break;
default:
netif_warn(priv, link, priv->dev,
@@ -853,12 +851,12 @@ static void stmmac_adjust_link(struct ne
writel(ctrl, priv->ioaddr + MAC_CTRL_REG);
if (!priv->oldlink) {
- new_state = 1;
- priv->oldlink = 1;
+ new_state = true;
+ priv->oldlink = true;
}
} else if (priv->oldlink) {
- new_state = 1;
- priv->oldlink = 0;
+ new_state = true;
+ priv->oldlink = false;
priv->speed = SPEED_UNKNOWN;
priv->oldduplex = DUPLEX_UNKNOWN;
}
@@ -921,7 +919,7 @@ static int stmmac_init_phy(struct net_de
char bus_id[MII_BUS_ID_SIZE];
int interface = priv->plat->interface;
int max_speed = priv->plat->max_speed;
- priv->oldlink = 0;
+ priv->oldlink = false;
priv->speed = SPEED_UNKNOWN;
priv->oldduplex = DUPLEX_UNKNOWN;
@@ -1456,7 +1454,7 @@ static void free_dma_rx_desc_resources(s
static void free_dma_tx_desc_resources(struct stmmac_priv *priv)
{
u32 tx_count = priv->plat->tx_queues_to_use;
- u32 queue = 0;
+ u32 queue;
/* Free TX queue resources */
for (queue = 0; queue < tx_count; queue++) {
@@ -1505,7 +1503,7 @@ static int alloc_dma_rx_desc_resources(s
sizeof(dma_addr_t),
GFP_KERNEL);
if (!rx_q->rx_skbuff_dma)
- return -ENOMEM;
+ goto err_dma;
rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
sizeof(struct sk_buff *),
@@ -1568,13 +1566,13 @@ static int alloc_dma_tx_desc_resources(s
sizeof(*tx_q->tx_skbuff_dma),
GFP_KERNEL);
if (!tx_q->tx_skbuff_dma)
- return -ENOMEM;
+ goto err_dma;
tx_q->tx_skbuff = kmalloc_array(DMA_TX_SIZE,
sizeof(struct sk_buff *),
GFP_KERNEL);
if (!tx_q->tx_skbuff)
- goto err_dma_buffers;
+ goto err_dma;
if (priv->extend_desc) {
tx_q->dma_etx = dma_zalloc_coherent(priv->device,
@@ -1584,7 +1582,7 @@ static int alloc_dma_tx_desc_resources(s
&tx_q->dma_tx_phy,
GFP_KERNEL);
if (!tx_q->dma_etx)
- goto err_dma_buffers;
+ goto err_dma;
} else {
tx_q->dma_tx = dma_zalloc_coherent(priv->device,
DMA_TX_SIZE *
@@ -1593,13 +1591,13 @@ static int alloc_dma_tx_desc_resources(s
&tx_q->dma_tx_phy,
GFP_KERNEL);
if (!tx_q->dma_tx)
- goto err_dma_buffers;
+ goto err_dma;
}
}
return 0;
-err_dma_buffers:
+err_dma:
free_dma_tx_desc_resources(priv);
return ret;
@@ -2902,8 +2900,7 @@ static netdev_tx_t stmmac_tso_xmit(struc
priv->xstats.tx_set_ic_bit++;
}
- if (!priv->hwts_tx_en)
- skb_tx_timestamp(skb);
+ skb_tx_timestamp(skb);
if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
priv->hwts_tx_en)) {
@@ -2981,7 +2978,7 @@ static netdev_tx_t stmmac_xmit(struct sk
/* Manage oversized TCP frames for GMAC4 device */
if (skb_is_gso(skb) && priv->tso) {
- if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+ if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))
return stmmac_tso_xmit(skb, dev);
}
@@ -3112,8 +3109,7 @@ static netdev_tx_t stmmac_xmit(struct sk
priv->xstats.tx_set_ic_bit++;
}
- if (!priv->hwts_tx_en)
- skb_tx_timestamp(skb);
+ skb_tx_timestamp(skb);
/* Ready to fill the first descriptor and set the OWN bit w/o any
* problems because all the descriptors are actually ready to be
@@ -3990,7 +3986,9 @@ static int stmmac_hw_init(struct stmmac_
struct mac_device_info *mac;
/* Identify the MAC HW device */
- if (priv->plat->has_gmac) {
+ if (priv->plat->setup) {
+ mac = priv->plat->setup(priv);
+ } else if (priv->plat->has_gmac) {
priv->dev->priv_flags |= IFF_UNICAST_FLT;
mac = dwmac1000_setup(priv->ioaddr,
priv->plat->multicast_filter_bins,
@@ -4010,6 +4008,10 @@ static int stmmac_hw_init(struct stmmac_
priv->hw = mac;
+ /* dwmac-sun8i only work in chain mode */
+ if (priv->plat->has_sun8i)
+ chain_mode = 1;
+
/* To use the chained or ring mode */
if (priv->synopsys_id >= DWMAC_CORE_4_00) {
priv->hw->mode = &dwmac4_ring_mode_ops;
@@ -4138,8 +4140,15 @@ int stmmac_dvr_probe(struct device *devi
if ((phyaddr >= 0) && (phyaddr <= 31))
priv->plat->phy_addr = phyaddr;
- if (priv->plat->stmmac_rst)
+ if (priv->plat->stmmac_rst) {
+ ret = reset_control_assert(priv->plat->stmmac_rst);
reset_control_deassert(priv->plat->stmmac_rst);
+ /* Some reset controllers have only reset callback instead of
+ * assert + deassert callbacks pair.
+ */
+ if (ret == -ENOTSUPP)
+ reset_control_reset(priv->plat->stmmac_rst);
+ }
/* Init MAC and get the capabilities */
ret = stmmac_hw_init(priv);
@@ -4156,7 +4165,7 @@ int stmmac_dvr_probe(struct device *devi
NETIF_F_RXCSUM;
if ((priv->plat->tso_en) && (priv->dma_cap.tsoen)) {
- ndev->hw_features |= NETIF_F_TSO;
+ ndev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
priv->tso = true;
dev_info(priv->device, "TSO feature enabled\n");
}
@@ -4318,7 +4327,7 @@ int stmmac_suspend(struct device *dev)
}
spin_unlock_irqrestore(&priv->lock, flags);
- priv->oldlink = 0;
+ priv->oldlink = false;
priv->speed = SPEED_UNKNOWN;
priv->oldduplex = DUPLEX_UNKNOWN;
return 0;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -204,6 +204,7 @@ int stmmac_mdio_register(struct net_devi
struct stmmac_priv *priv = netdev_priv(ndev);
struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
struct device_node *mdio_node = priv->plat->mdio_node;
+ struct device *dev = ndev->dev.parent;
int addr, found;
if (!mdio_bus_data)
@@ -237,7 +238,7 @@ int stmmac_mdio_register(struct net_devi
else
err = mdiobus_register(new_bus);
if (err != 0) {
- netdev_err(ndev, "Cannot register the MDIO bus\n");
+ dev_err(dev, "Cannot register the MDIO bus\n");
goto bus_register_fail;
}
@@ -292,7 +293,7 @@ int stmmac_mdio_register(struct net_devi
}
if (!found && !mdio_node) {
- netdev_warn(ndev, "No PHY found\n");
+ dev_warn(dev, "No PHY found\n");
mdiobus_unregister(new_bus);
mdiobus_free(new_bus);
return -ENODEV;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -30,42 +30,39 @@
* negative value of the address means that MAC controller is not connected
* with PHY.
*/
-struct stmmac_pci_dmi_data {
- const char *name;
- const char *asset_tag;
+struct stmmac_pci_func_data {
unsigned int func;
int phy_addr;
};
-struct stmmac_pci_info {
- struct pci_dev *pdev;
- int (*setup)(struct plat_stmmacenet_data *plat,
- struct stmmac_pci_info *info);
- struct stmmac_pci_dmi_data *dmi;
+struct stmmac_pci_dmi_data {
+ const struct stmmac_pci_func_data *func;
+ size_t nfuncs;
};
-static int stmmac_pci_find_phy_addr(struct stmmac_pci_info *info)
-{
- const char *name = dmi_get_system_info(DMI_BOARD_NAME);
- const char *asset_tag = dmi_get_system_info(DMI_BOARD_ASSET_TAG);
- unsigned int func = PCI_FUNC(info->pdev->devfn);
- struct stmmac_pci_dmi_data *dmi;
-
- /*
- * Galileo boards with old firmware don't support DMI. We always return
- * 1 here, so at least first found MAC controller would be probed.
- */
- if (!name)
- return 1;
+struct stmmac_pci_info {
+ int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
+};
- for (dmi = info->dmi; dmi->name && *dmi->name; dmi++) {
- if (!strcmp(dmi->name, name) && dmi->func == func) {
- /* If asset tag is provided, match on it as well. */
- if (dmi->asset_tag && strcmp(dmi->asset_tag, asset_tag))
- continue;
- return dmi->phy_addr;
- }
- }
+static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
+ const struct dmi_system_id *dmi_list)
+{
+ const struct stmmac_pci_func_data *func_data;
+ const struct stmmac_pci_dmi_data *dmi_data;
+ const struct dmi_system_id *dmi_id;
+ int func = PCI_FUNC(pdev->devfn);
+ size_t n;
+
+ dmi_id = dmi_first_match(dmi_list);
+ if (!dmi_id)
+ return -ENODEV;
+
+ dmi_data = dmi_id->driver_data;
+ func_data = dmi_data->func;
+
+ for (n = 0; n < dmi_data->nfuncs; n++, func_data++)
+ if (func_data->func == func)
+ return func_data->phy_addr;
return -ENODEV;
}
@@ -100,7 +97,8 @@ static void common_default_data(struct p
plat->rx_queues_cfg[0].pkt_route = 0x0;
}
-static void stmmac_default_data(struct plat_stmmacenet_data *plat)
+static int stmmac_default_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
{
/* Set common default data first */
common_default_data(plat);
@@ -112,12 +110,77 @@ static void stmmac_default_data(struct p
plat->dma_cfg->pbl = 32;
plat->dma_cfg->pblx8 = true;
/* TODO: AXI */
+
+ return 0;
}
-static int quark_default_data(struct plat_stmmacenet_data *plat,
- struct stmmac_pci_info *info)
+static const struct stmmac_pci_info stmmac_pci_info = {
+ .setup = stmmac_default_data,
+};
+
+static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
+ {
+ .func = 6,
+ .phy_addr = 1,
+ },
+};
+
+static const struct stmmac_pci_dmi_data galileo_stmmac_dmi_data = {
+ .func = galileo_stmmac_func_data,
+ .nfuncs = ARRAY_SIZE(galileo_stmmac_func_data),
+};
+
+static const struct stmmac_pci_func_data iot2040_stmmac_func_data[] = {
+ {
+ .func = 6,
+ .phy_addr = 1,
+ },
+ {
+ .func = 7,
+ .phy_addr = 1,
+ },
+};
+
+static const struct stmmac_pci_dmi_data iot2040_stmmac_dmi_data = {
+ .func = iot2040_stmmac_func_data,
+ .nfuncs = ARRAY_SIZE(iot2040_stmmac_func_data),
+};
+
+static const struct dmi_system_id quark_pci_dmi[] = {
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "Galileo"),
+ },
+ .driver_data = (void *)&galileo_stmmac_dmi_data,
+ },
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"),
+ },
+ .driver_data = (void *)&galileo_stmmac_dmi_data,
+ },
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
+ DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG,
+ "6ES7647-0AA00-0YA2"),
+ },
+ .driver_data = (void *)&galileo_stmmac_dmi_data,
+ },
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
+ DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG,
+ "6ES7647-0AA00-1YA2"),
+ },
+ .driver_data = (void *)&iot2040_stmmac_dmi_data,
+ },
+ {}
+};
+
+static int quark_default_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
{
- struct pci_dev *pdev = info->pdev;
int ret;
/* Set common default data first */
@@ -127,9 +190,19 @@ static int quark_default_data(struct pla
* Refuse to load the driver and register net device if MAC controller
* does not connect to any PHY interface.
*/
- ret = stmmac_pci_find_phy_addr(info);
- if (ret < 0)
- return ret;
+ ret = stmmac_pci_find_phy_addr(pdev, quark_pci_dmi);
+ if (ret < 0) {
+ /* Return error to the caller on DMI enabled boards. */
+ if (dmi_get_system_info(DMI_BOARD_NAME))
+ return ret;
+
+ /*
+ * Galileo boards with old firmware don't support DMI. We always
+ * use 1 here as PHY address, so at least the first found MAC
+ * controller would be probed.
+ */
+ ret = 1;
+ }
plat->bus_id = PCI_DEVID(pdev->bus->number, pdev->devfn);
plat->phy_addr = ret;
@@ -143,41 +216,8 @@ static int quark_default_data(struct pla
return 0;
}
-static struct stmmac_pci_dmi_data quark_pci_dmi_data[] = {
- {
- .name = "Galileo",
- .func = 6,
- .phy_addr = 1,
- },
- {
- .name = "GalileoGen2",
- .func = 6,
- .phy_addr = 1,
- },
- {
- .name = "SIMATIC IOT2000",
- .asset_tag = "6ES7647-0AA00-0YA2",
- .func = 6,
- .phy_addr = 1,
- },
- {
- .name = "SIMATIC IOT2000",
- .asset_tag = "6ES7647-0AA00-1YA2",
- .func = 6,
- .phy_addr = 1,
- },
- {
- .name = "SIMATIC IOT2000",
- .asset_tag = "6ES7647-0AA00-1YA2",
- .func = 7,
- .phy_addr = 1,
- },
- {}
-};
-
-static struct stmmac_pci_info quark_pci_info = {
+static const struct stmmac_pci_info quark_pci_info = {
.setup = quark_default_data,
- .dmi = quark_pci_dmi_data,
};
/**
@@ -236,15 +276,9 @@ static int stmmac_pci_probe(struct pci_d
pci_set_master(pdev);
- if (info) {
- info->pdev = pdev;
- if (info->setup) {
- ret = info->setup(plat, info);
- if (ret)
- return ret;
- }
- } else
- stmmac_default_data(plat);
+ ret = info->setup(pdev, plat);
+ if (ret)
+ return ret;
pci_enable_msi(pdev);
@@ -270,14 +304,21 @@ static void stmmac_pci_remove(struct pci
static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_suspend, stmmac_resume);
-#define STMMAC_VENDOR_ID 0x700
+/* synthetic ID, no official vendor */
+#define PCI_VENDOR_ID_STMMAC 0x700
+
#define STMMAC_QUARK_ID 0x0937
#define STMMAC_DEVICE_ID 0x1108
+#define STMMAC_DEVICE(vendor_id, dev_id, info) { \
+ PCI_VDEVICE(vendor_id, dev_id), \
+ .driver_data = (kernel_ulong_t)&info \
+ }
+
static const struct pci_device_id stmmac_id_table[] = {
- {PCI_DEVICE(STMMAC_VENDOR_ID, STMMAC_DEVICE_ID)},
- {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_MAC)},
- {PCI_VDEVICE(INTEL, STMMAC_QUARK_ID), (kernel_ulong_t)&quark_pci_info},
+ STMMAC_DEVICE(STMMAC, STMMAC_DEVICE_ID, stmmac_pci_info),
+ STMMAC_DEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_MAC, stmmac_pci_info),
+ STMMAC_DEVICE(INTEL, STMMAC_QUARK_ID, quark_pci_info),
{}
};
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -309,6 +309,13 @@ static int stmmac_dt_phy(struct plat_stm
struct device_node *np, struct device *dev)
{
bool mdio = true;
+ static const struct of_device_id need_mdio_ids[] = {
+ { .compatible = "snps,dwc-qos-ethernet-4.10" },
+ { .compatible = "allwinner,sun8i-a83t-emac" },
+ { .compatible = "allwinner,sun8i-h3-emac" },
+ { .compatible = "allwinner,sun8i-v3s-emac" },
+ { .compatible = "allwinner,sun50i-a64-emac" },
+ };
/* If phy-handle property is passed from DT, use it as the PHY */
plat->phy_node = of_parse_phandle(np, "phy-handle", 0);
@@ -325,8 +332,7 @@ static int stmmac_dt_phy(struct plat_stm
mdio = false;
}
- /* exception for dwmac-dwc-qos-eth glue logic */
- if (of_device_is_compatible(np, "snps,dwc-qos-ethernet-4.10")) {
+ if (of_match_node(need_mdio_ids, np)) {
plat->mdio_node = of_get_child_by_name(np, "mdio");
} else {
/**
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -177,6 +177,7 @@ struct plat_stmmacenet_data {
void (*fix_mac_speed)(void *priv, unsigned int speed);
int (*init)(struct platform_device *pdev, void *priv);
void (*exit)(struct platform_device *pdev, void *priv);
+ struct mac_device_info *(*setup)(void *priv);
void *bsp_priv;
struct clk *stmmac_clk;
struct clk *pclk;
@@ -185,6 +186,7 @@ struct plat_stmmacenet_data {
struct reset_control *stmmac_rst;
struct stmmac_axi *axi;
int has_gmac4;
+ bool has_sun8i;
bool tso_en;
int mac_port_sel_speed;
bool en_tx_lpi_clockgating;
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