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-rw-r--r--arch/arm/dts/imx6qdl-gw5904.dtsi36
-rw-r--r--board/gateworks/gw_ventana/gw_ventana.c50
-rw-r--r--configs/gwventana_gw5904_defconfig7
-rw-r--r--drivers/net/Kconfig7
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/fec_mxc.c90
-rw-r--r--drivers/net/fsl-mc/mc.c41
-rw-r--r--drivers/net/fsl_ls_mdio.c3
-rw-r--r--drivers/net/ksz9477.c23
-rw-r--r--drivers/net/mv88e6xxx.c755
-rw-r--r--include/net6.h6
-rw-r--r--net/dsa-uclass.c56
-rw-r--r--net/mdio-uclass.c4
-rw-r--r--net/net6.c9
-rw-r--r--net/tftp.c10
15 files changed, 990 insertions, 108 deletions
diff --git a/arch/arm/dts/imx6qdl-gw5904.dtsi b/arch/arm/dts/imx6qdl-gw5904.dtsi
index 612b6e068e2..ea54922f15f 100644
--- a/arch/arm/dts/imx6qdl-gw5904.dtsi
+++ b/arch/arm/dts/imx6qdl-gw5904.dtsi
@@ -212,6 +212,27 @@
compatible = "marvell,mv88e6085";
reg = <0>;
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sw_phy0: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+
+ sw_phy1: ethernet-phy@1 {
+ reg = <0x1>;
+ };
+
+ sw_phy2: ethernet-phy@2 {
+ reg = <0x2>;
+ };
+
+ sw_phy3: ethernet-phy@3 {
+ reg = <0x3>;
+ };
+ };
+
ports {
#address-cells = <1>;
#size-cells = <0>;
@@ -219,27 +240,40 @@
port@0 {
reg = <0>;
label = "lan4";
+ phy-handle = <&sw_phy0>;
+ phy-mode = "internal";
};
port@1 {
reg = <1>;
label = "lan3";
+ phy-handle = <&sw_phy1>;
+ phy-mode = "internal";
};
port@2 {
reg = <2>;
label = "lan2";
+ phy-handle = <&sw_phy2>;
+ phy-mode = "internal";
};
port@3 {
reg = <3>;
label = "lan1";
+ phy-handle = <&sw_phy3>;
+ phy-mode = "internal";
};
port@5 {
reg = <5>;
- label = "cpu";
ethernet = <&fec>;
+ phy-mode = "rgmii-id";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
};
};
};
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 0ecfd98c226..683def7e9f7 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -83,44 +83,30 @@ int board_phy_config(struct phy_device *phydev)
break;
}
+ /* Fixed PHY: for GW5904/GW5909 this is Marvell 88E6176 GbE Switch */
+ if (phydev->phy_id == PHY_FIXED_ID &&
+ (board_type == GW5904 || board_type == GW5909)) {
+ struct mii_dev *bus = miiphy_get_dev_by_name("mdio");
+
+ puts("MV88E61XX ");
+ /* GPIO[0] output CLK125 for RGMII_REFCLK */
+ bus->write(bus, 0x1c, 0, 0x1a, (1 << 15) | (0x62 << 8) | 0xfe);
+ bus->write(bus, 0x1c, 0, 0x1a, (1 << 15) | (0x68 << 8) | 7);
+
+ /* Port 0-3 LED configuration: Table 80/82 */
+ /* LED configuration: 7:4-green (8=Activity) 3:0 amber (8=Link) */
+ bus->write(bus, 0x10, 0, 0x16, 0x8088);
+ bus->write(bus, 0x11, 0, 0x16, 0x8088);
+ bus->write(bus, 0x12, 0, 0x16, 0x8088);
+ bus->write(bus, 0x13, 0, 0x16, 0x8088);
+ }
+
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
-#ifdef CONFIG_MV88E61XX_SWITCH
-int mv88e61xx_hw_reset(struct phy_device *phydev)
-{
- struct mii_dev *bus = phydev->bus;
-
- /* GPIO[0] output, CLK125 */
- debug("enabling RGMII_REFCLK\n");
- bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
- 0x1a /*MV_SCRATCH_MISC*/,
- (1 << 15) | (0x62 /*MV_GPIO_DIR*/ << 8) | 0xfe);
- bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
- 0x1a /*MV_SCRATCH_MISC*/,
- (1 << 15) | (0x68 /*MV_GPIO01_CNTL*/ << 8) | 7);
-
- /* RGMII delay - Physical Control register bit[15:14] */
- debug("setting port%d RGMII rx/tx delay\n", CONFIG_MV88E61XX_CPU_PORT);
- /* forced 1000mbps full-duplex link */
- bus->write(bus, 0x10 + CONFIG_MV88E61XX_CPU_PORT, 0, 1, 0xc0fe);
- phydev->autoneg = AUTONEG_DISABLE;
- phydev->speed = SPEED_1000;
- phydev->duplex = DUPLEX_FULL;
-
- /* LED configuration: 7:4-green (8=Activity) 3:0 amber (8=Link) */
- bus->write(bus, 0x10, 0, 0x16, 0x8088);
- bus->write(bus, 0x11, 0, 0x16, 0x8088);
- bus->write(bus, 0x12, 0, 0x16, 0x8088);
- bus->write(bus, 0x13, 0, 0x16, 0x8088);
-
- return 0;
-}
-#endif // CONFIG_MV88E61XX_SWITCH
-
#if defined(CONFIG_VIDEO_IPUV3)
static void enable_hdmi(struct display_info_t const *dev)
{
diff --git a/configs/gwventana_gw5904_defconfig b/configs/gwventana_gw5904_defconfig
index 37fc1e51430..8387d0fa79e 100644
--- a/configs/gwventana_gw5904_defconfig
+++ b/configs/gwventana_gw5904_defconfig
@@ -115,13 +115,12 @@ CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_FSL_USDHC=y
CONFIG_MTD=y
CONFIG_PHYLIB=y
-CONFIG_MV88E61XX_SWITCH=y
-CONFIG_MV88E61XX_CPU_PORT=5
-CONFIG_MV88E61XX_PHY_PORTS=0xf
-CONFIG_MV88E61XX_FIXED_PORTS=0x0
+CONFIG_PHY_FIXED=y
CONFIG_DM_MDIO=y
+CONFIG_DM_DSA=y
CONFIG_E1000=y
CONFIG_FEC_MXC=y
+CONFIG_MV88E6XXX=y
CONFIG_MII=y
CONFIG_PCI=y
CONFIG_PCIE_IMX=y
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 7873538cc2d..62d2c03849a 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -473,6 +473,13 @@ config LITEETH
help
Driver for the LiteEth Ethernet MAC from LiteX.
+config MV88E6XXX
+ bool "Marvell MV88E6xxx Ethernet switch DSA driver"
+ depends on DM_DSA && DM_MDIO
+ help
+ This driver implements a DSA switch driver for the MV88E6xxx family
+ of Ethernet switches using the MDIO interface
+
config MVGBE
bool "Marvell Orion5x/Kirkwood network interface support"
depends on ARCH_KIRKWOOD || ARCH_ORION5X
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 5b4e60eea3e..90fbb02ab02 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o
obj-$(CONFIG_MPC8XX_FEC) += mpc8xx_fec.o
obj-$(CONFIG_MT7620_ETH) += mt7620-eth.o
obj-$(CONFIG_MT7628_ETH) += mt7628-eth.o
+obj-$(CONFIG_MV88E6XXX) += mv88e6xxx.o
obj-$(CONFIG_MVGBE) += mvgbe.o
obj-$(CONFIG_MVMDIO) += mvmdio.o
obj-$(CONFIG_MVNETA) += mvneta.o
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 006d27051eb..8abfdbd5d91 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -30,6 +30,8 @@
#include <asm/arch/imx-regs.h>
#include <asm/mach-imx/sys_proto.h>
#include <asm-generic/gpio.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
#include "fec_mxc.h"
#include <eth_phy.h>
@@ -1019,6 +1021,81 @@ struct mii_dev *fec_get_miibus(ulong base_addr, int dev_id)
return bus;
}
+#ifdef CONFIG_DM_MDIO
+struct dm_fec_mdio_priv {
+ struct ethernet_regs *regs;
+};
+
+static int dm_fec_mdio_read(struct udevice *dev, int addr, int devad, int reg)
+{
+ struct dm_fec_mdio_priv *priv = dev_get_priv(dev);
+
+ return fec_mdio_read(priv->regs, addr, reg);
+}
+
+static int dm_fec_mdio_write(struct udevice *dev, int addr, int devad, int reg, u16 data)
+{
+ struct dm_fec_mdio_priv *priv = dev_get_priv(dev);
+
+ return fec_mdio_write(priv->regs, addr, reg, data);
+}
+
+static const struct mdio_ops dm_fec_mdio_ops = {
+ .read = dm_fec_mdio_read,
+ .write = dm_fec_mdio_write,
+};
+
+static int dm_fec_mdio_probe(struct udevice *dev)
+{
+ struct dm_fec_mdio_priv *priv = dev_get_priv(dev);
+
+ priv->regs = (struct ethernet_regs *)ofnode_get_addr(dev_ofnode(dev->parent));
+
+ return 0;
+}
+
+U_BOOT_DRIVER(fec_mdio) = {
+ .name = "fec_mdio",
+ .id = UCLASS_MDIO,
+ .probe = dm_fec_mdio_probe,
+ .ops = &dm_fec_mdio_ops,
+ .priv_auto = sizeof(struct dm_fec_mdio_priv),
+};
+
+static int dm_fec_bind_mdio(struct udevice *dev)
+{
+ struct udevice *mdiodev;
+ const char *name;
+ ofnode mdio;
+ int ret = -ENODEV;
+
+ /* for a UCLASS_MDIO driver we need to bind and probe manually
+ * for an internal MDIO bus that has no dt compatible of its own
+ */
+ ofnode_for_each_subnode(mdio, dev_ofnode(dev)) {
+ name = ofnode_get_name(mdio);
+
+ if (strcmp(name, "mdio"))
+ continue;
+
+ ret = device_bind_driver_to_node(dev, "fec_mdio",
+ name, mdio, &mdiodev);
+ if (ret) {
+ printf("%s bind %s failed: %d\n", __func__, name, ret);
+ break;
+ }
+
+ /* need to probe it as there is no compatible to do so */
+ ret = uclass_get_device_by_ofnode(UCLASS_MDIO, mdio, &mdiodev);
+ if (!ret)
+ return 0;
+ printf("%s probe %s failed: %d\n", __func__, name, ret);
+ }
+
+ return ret;
+}
+#endif
+
static int fecmxc_read_rom_hwaddr(struct udevice *dev)
{
struct fec_priv *priv = dev_get_priv(dev);
@@ -1082,7 +1159,7 @@ static int device_get_phy_addr(struct fec_priv *priv, struct udevice *dev)
static int fec_phy_init(struct fec_priv *priv, struct udevice *dev)
{
- struct phy_device *phydev;
+ struct phy_device *phydev = NULL;
int addr;
addr = device_get_phy_addr(priv, dev);
@@ -1090,7 +1167,10 @@ static int fec_phy_init(struct fec_priv *priv, struct udevice *dev)
addr = CFG_FEC_MXC_PHYADDR;
#endif
- phydev = phy_connect(priv->bus, addr, dev, priv->interface);
+ if (IS_ENABLED(CONFIG_DM_MDIO))
+ phydev = dm_eth_phy_connect(dev);
+ if (!phydev)
+ phydev = phy_connect(priv->bus, addr, dev, priv->interface);
if (!phydev)
return -ENODEV;
@@ -1221,6 +1301,12 @@ static int fecmxc_probe(struct udevice *dev)
priv->dev_id = dev_seq(dev);
+#ifdef CONFIG_DM_MDIO
+ ret = dm_fec_bind_mdio(dev);
+ if (ret && ret != -ENODEV)
+ return ret;
+#endif
+
#ifdef CONFIG_DM_ETH_PHY
bus = eth_phy_get_mdio_bus(dev);
#endif
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index 6b36860187c..4f84403d956 100644
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -356,8 +356,7 @@ static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
if (noff < 0) {
err = fdt_increase_size(blob, 200);
if (err) {
- printf("fdt_increase_size: err=%s\n",
- fdt_strerror(err));
+ printf("fdt_increase_size: err=%s\n", fdt_strerror(err));
return err;
}
@@ -373,7 +372,7 @@ static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id,
"link_type", link_type_mode);
if (err) {
printf("fdt_appendprop_string: err=%s\n",
- fdt_strerror(err));
+ fdt_strerror(err));
return err;
}
}
@@ -527,7 +526,6 @@ static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
return 0;
}
-
static int mc_fixup_dpl(u64 dpl_addr)
{
void *blob = (void *)dpl_addr;
@@ -699,7 +697,6 @@ static int wait_for_mc(bool booting_mc, u32 *final_reg_gsr)
printf("SUCCESS\n");
}
-
*final_reg_gsr = reg_gsr;
return 0;
}
@@ -812,7 +809,7 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
* Initialize the global default MC portal
* And check that the MC firmware is responding portal commands:
*/
- root_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
+ root_mc_io = calloc(sizeof(struct fsl_mc_io), 1);
if (!root_mc_io) {
printf(" No memory: calloc() failed\n");
return -ENOMEM;
@@ -979,8 +976,7 @@ static int dpio_init(void)
int err = 0;
uint16_t major_ver, minor_ver;
- dflt_dpio = (struct fsl_dpio_obj *)calloc(
- sizeof(struct fsl_dpio_obj), 1);
+ dflt_dpio = calloc(sizeof(struct fsl_dpio_obj), 1);
if (!dflt_dpio) {
printf("No memory: calloc() failed\n");
err = -ENOMEM;
@@ -1038,7 +1034,7 @@ static int dpio_init(void)
}
#ifdef DEBUG
- printf("Init: DPIO id=0x%d\n", dflt_dpio->dpio_id);
+ printf("Init: DPIO.%d\n", dflt_dpio->dpio_id);
#endif
err = dpio_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpio->dpio_handle);
if (err < 0) {
@@ -1107,7 +1103,7 @@ static int dpio_exit(void)
}
#ifdef DEBUG
- printf("Exit: DPIO id=0x%d\n", dflt_dpio->dpio_id);
+ printf("Exit: DPIO.%d\n", dflt_dpio->dpio_id);
#endif
if (dflt_dpio)
@@ -1159,16 +1155,15 @@ static int dprc_init(void)
cfg.icid = DPRC_GET_ICID_FROM_POOL;
cfg.portal_id = DPRC_GET_PORTAL_ID_FROM_POOL;
err = dprc_create_container(root_mc_io, MC_CMD_NO_FLAGS,
- root_dprc_handle,
- &cfg,
- &child_dprc_id,
- &mc_portal_offset);
+ root_dprc_handle, &cfg,
+ &child_dprc_id,
+ &mc_portal_offset);
if (err < 0) {
printf("dprc_create_container() failed: %d\n", err);
goto err_create;
}
- dflt_mc_io = (struct fsl_mc_io *)calloc(sizeof(struct fsl_mc_io), 1);
+ dflt_mc_io = calloc(sizeof(struct fsl_mc_io), 1);
if (!dflt_mc_io) {
err = -ENOMEM;
printf(" No memory: calloc() failed\n");
@@ -1250,8 +1245,7 @@ static int dpbp_init(void)
struct dpbp_cfg dpbp_cfg;
uint16_t major_ver, minor_ver;
- dflt_dpbp = (struct fsl_dpbp_obj *)calloc(
- sizeof(struct fsl_dpbp_obj), 1);
+ dflt_dpbp = calloc(sizeof(struct fsl_dpbp_obj), 1);
if (!dflt_dpbp) {
printf("No memory: calloc() failed\n");
err = -ENOMEM;
@@ -1312,7 +1306,7 @@ static int dpbp_init(void)
}
#ifdef DEBUG
- printf("Init: DPBP id=0x%x\n", dflt_dpbp->dpbp_attr.id);
+ printf("Init: DPBP.%d\n", dflt_dpbp->dpbp_attr.id);
#endif
err = dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
@@ -1351,7 +1345,7 @@ static int dpbp_exit(void)
}
#ifdef DEBUG
- printf("Exit: DPBP id=0x%d\n", dflt_dpbp->dpbp_attr.id);
+ printf("Exit: DPBP.%d\n", dflt_dpbp->dpbp_attr.id);
#endif
if (dflt_dpbp)
@@ -1369,8 +1363,7 @@ static int dpni_init(void)
struct dpni_cfg dpni_cfg;
uint16_t major_ver, minor_ver;
- dflt_dpni = (struct fsl_dpni_obj *)calloc(
- sizeof(struct fsl_dpni_obj), 1);
+ dflt_dpni = calloc(sizeof(struct fsl_dpni_obj), 1);
if (!dflt_dpni) {
printf("No memory: calloc() failed\n");
err = -ENOMEM;
@@ -1422,7 +1415,7 @@ static int dpni_init(void)
}
#ifdef DEBUG
- printf("Init: DPNI id=0x%d\n", dflt_dpni->dpni_id);
+ printf("Init: DPNI.%d\n", dflt_dpni->dpni_id);
#endif
err = dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0) {
@@ -1459,7 +1452,7 @@ static int dpni_exit(void)
}
#ifdef DEBUG
- printf("Exit: DPNI id=0x%d\n", dflt_dpni->dpni_id);
+ printf("Exit: DPNI.%d\n", dflt_dpni->dpni_id);
#endif
if (dflt_dpni)
@@ -1796,7 +1789,6 @@ static void mc_dump_log(void)
if (size > bytes_end) {
print_k_bytes(cur_ptr, &bytes_end);
- cur_ptr = buf;
size -= bytes_end;
}
@@ -1962,7 +1954,6 @@ static int do_fsl_mc(struct cmd_tbl *cmdtp, int flag, int argc,
default:
printf("Invalid option: %s\n", argv[1]);
goto usage;
- break;
}
return err;
usage:
diff --git a/drivers/net/fsl_ls_mdio.c b/drivers/net/fsl_ls_mdio.c
index f213e0dd859..fce73937502 100644
--- a/drivers/net/fsl_ls_mdio.c
+++ b/drivers/net/fsl_ls_mdio.c
@@ -124,6 +124,9 @@ static int fsl_ls_mdio_probe(struct udevice *dev)
struct memac_mdio_controller *regs;
priv->regs_base = dev_read_addr_ptr(dev);
+ if (!priv->regs_base)
+ return -ENODEV;
+
regs = (struct memac_mdio_controller *)(priv->regs_base);
memac_setbits_32(&regs->mdio_stat,
diff --git a/drivers/net/ksz9477.c b/drivers/net/ksz9477.c
index ed8f1895cb1..fb5c76c600b 100644
--- a/drivers/net/ksz9477.c
+++ b/drivers/net/ksz9477.c
@@ -62,7 +62,6 @@
struct ksz_dsa_priv {
struct udevice *dev;
- int active_port;
};
static inline int ksz_read8(struct udevice *dev, u32 reg, u8 *val)
@@ -382,9 +381,6 @@ static int ksz_port_enable(struct udevice *dev, int port, struct phy_device *phy
data8 |= SW_START;
ksz_write8(priv->dev, REG_SW_OPERATION, data8);
- /* keep track of current enabled non-cpu port */
- priv->active_port = port;
-
return 0;
}
@@ -413,28 +409,9 @@ static void ksz_port_disable(struct udevice *dev, int port, struct phy_device *p
*/
}
-static int ksz_xmit(struct udevice *dev, int port, void *packet, int length)
-{
- dev_dbg(dev, "%s P%d %d\n", __func__, port + 1, length);
-
- return 0;
-}
-
-static int ksz_recv(struct udevice *dev, int *port, void *packet, int length)
-{
- struct ksz_dsa_priv *priv = dev_get_priv(dev);
-
- dev_dbg(dev, "%s P%d %d\n", __func__, priv->active_port + 1, length);
- *port = priv->active_port;
-
- return 0;
-};
-
static const struct dsa_ops ksz_dsa_ops = {
.port_enable = ksz_port_enable,
.port_disable = ksz_port_disable,
- .xmit = ksz_xmit,
- .rcv = ksz_recv,
};
static int ksz_probe_mdio(struct udevice *dev)
diff --git a/drivers/net/mv88e6xxx.c b/drivers/net/mv88e6xxx.c
new file mode 100644
index 00000000000..64e860e324d
--- /dev/null
+++ b/drivers/net/mv88e6xxx.c
@@ -0,0 +1,755 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2022
+ * Gateworks Corporation <www.gateworks.com>
+ * Tim Harvey <tharvey@gateworks.com>
+ *
+ * (C) Copyright 2015
+ * Elecsys Corporation <www.elecsyscorp.com>
+ * Kevin Smith <kevin.smith@elecsyscorp.com>
+ *
+ * Original driver:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Prafulla Wadaskar <prafulla@marvell.com>
+ */
+
+/*
+ * DSA driver for mv88e6xxx ethernet switches.
+ *
+ * This driver configures the mv88e6xxx for basic use as a DSA switch.
+ *
+ * This driver was adapted from drivers/net/phy/mv88e61xx and tested
+ * on the mv88e6176 via an SGMII interface.
+ */
+
+#include <common.h>
+#include <dm/device.h>
+#include <dm/device_compat.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <dm/of_extra.h>
+#include <linux/delay.h>
+#include <miiphy.h>
+#include <net/dsa.h>
+
+/* Device addresses */
+#define DEVADDR_PHY(p) (p)
+#define DEVADDR_SERDES 0x0F
+
+/* SMI indirection registers for multichip addressing mode */
+#define SMI_CMD_REG 0x00
+#define SMI_DATA_REG 0x01
+
+/* Global registers */
+#define GLOBAL1_STATUS 0x00
+#define GLOBAL1_CTRL 0x04
+
+/* Global 2 registers */
+#define GLOBAL2_REG_PHY_CMD 0x18
+#define GLOBAL2_REG_PHY_DATA 0x19
+#define GLOBAL2_REG_SCRATCH 0x1A
+
+/* Port registers */
+#define PORT_REG_STATUS 0x00
+#define PORT_REG_PHYS_CTRL 0x01
+#define PORT_REG_SWITCH_ID 0x03
+#define PORT_REG_CTRL 0x04
+
+/* Phy registers */
+#define PHY_REG_PAGE 0x16
+
+/* Phy page numbers */
+#define PHY_PAGE_COPPER 0
+#define PHY_PAGE_SERDES 1
+
+/* Register fields */
+#define GLOBAL1_CTRL_SWRESET BIT(15)
+
+#define PORT_REG_STATUS_SPEED_SHIFT 8
+#define PORT_REG_STATUS_SPEED_10 0
+#define PORT_REG_STATUS_SPEED_100 1
+#define PORT_REG_STATUS_SPEED_1000 2
+
+#define PORT_REG_STATUS_CMODE_MASK 0xF
+#define PORT_REG_STATUS_CMODE_SGMII 0xa
+#define PORT_REG_STATUS_CMODE_1000BASE_X 0x9
+#define PORT_REG_STATUS_CMODE_100BASE_X 0x8
+#define PORT_REG_STATUS_CMODE_RGMII 0x7
+#define PORT_REG_STATUS_CMODE_RMII 0x5
+#define PORT_REG_STATUS_CMODE_RMII_PHY 0x4
+#define PORT_REG_STATUS_CMODE_GMII 0x3
+#define PORT_REG_STATUS_CMODE_MII 0x2
+#define PORT_REG_STATUS_CMODE_MIIPHY 0x1
+
+#define PORT_REG_PHYS_CTRL_RGMII_DELAY_RXCLK BIT(15)
+#define PORT_REG_PHYS_CTRL_RGMII_DELAY_TXCLK BIT(14)
+#define PORT_REG_PHYS_CTRL_PCS_AN_EN BIT(10)
+#define PORT_REG_PHYS_CTRL_PCS_AN_RST BIT(9)
+#define PORT_REG_PHYS_CTRL_FC_VALUE BIT(7)
+#define PORT_REG_PHYS_CTRL_FC_FORCE BIT(6)
+#define PORT_REG_PHYS_CTRL_LINK_VALUE BIT(5)
+#define PORT_REG_PHYS_CTRL_LINK_FORCE BIT(4)
+#define PORT_REG_PHYS_CTRL_DUPLEX_VALUE BIT(3)
+#define PORT_REG_PHYS_CTRL_DUPLEX_FORCE BIT(2)
+#define PORT_REG_PHYS_CTRL_SPD1000 BIT(1)
+#define PORT_REG_PHYS_CTRL_SPD100 BIT(0)
+#define PORT_REG_PHYS_CTRL_SPD_MASK (BIT(1) | BIT(0))
+
+#define PORT_REG_CTRL_PSTATE_SHIFT 0
+#define PORT_REG_CTRL_PSTATE_MASK 3
+
+/* Field values */
+#define PORT_REG_CTRL_PSTATE_DISABLED 0
+#define PORT_REG_CTRL_PSTATE_FORWARD 3
+
+/*
+ * Macros for building commands for indirect addressing modes. These are valid
+ * for both the indirect multichip addressing mode and the PHY indirection
+ * required for the writes to any PHY register.
+ */
+#define SMI_BUSY BIT(15)
+#define SMI_CMD_CLAUSE_22 BIT(12)
+#define SMI_CMD_CLAUSE_22_OP_READ (2 << 10)
+#define SMI_CMD_CLAUSE_22_OP_WRITE (1 << 10)
+#define SMI_CMD_ADDR_SHIFT 5
+#define SMI_CMD_ADDR_MASK 0x1f
+#define SMI_CMD_REG_SHIFT 0
+#define SMI_CMD_REG_MASK 0x1f
+#define SMI_CMD_READ(addr, reg) \
+ (SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_READ) | \
+ (((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \
+ (((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT)
+#define SMI_CMD_WRITE(addr, reg) \
+ (SMI_BUSY | SMI_CMD_CLAUSE_22 | SMI_CMD_CLAUSE_22_OP_WRITE) | \
+ (((addr) & SMI_CMD_ADDR_MASK) << SMI_CMD_ADDR_SHIFT) | \
+ (((reg) & SMI_CMD_REG_MASK) << SMI_CMD_REG_SHIFT)
+
+/* ID register values for different switch models */
+#define PORT_SWITCH_ID_6020 0x0200
+#define PORT_SWITCH_ID_6070 0x0700
+#define PORT_SWITCH_ID_6071 0x0710
+#define PORT_SWITCH_ID_6096 0x0980
+#define PORT_SWITCH_ID_6097 0x0990
+#define PORT_SWITCH_ID_6172 0x1720
+#define PORT_SWITCH_ID_6176 0x1760
+#define PORT_SWITCH_ID_6220 0x2200
+#define PORT_SWITCH_ID_6240 0x2400
+#define PORT_SWITCH_ID_6250 0x2500
+#define PORT_SWITCH_ID_6320 0x1150
+#define PORT_SWITCH_ID_6352 0x3520
+
+struct mv88e6xxx_priv {
+ int smi_addr;
+ int id;
+ int port_count; /* Number of switch ports */
+ int port_reg_base; /* Base of the switch port registers */
+ u8 global1; /* Offset of Switch Global 1 registers */
+ u8 global2; /* Offset of Switch Global 2 registers */
+};
+
+/* Wait for the current SMI indirect command to complete */
+static int mv88e6xxx_smi_wait(struct udevice *dev, int smi_addr)
+{
+ int val;
+ u32 timeout = 100;
+
+ do {
+ val = dm_mdio_read(dev->parent, smi_addr, MDIO_DEVAD_NONE, SMI_CMD_REG);
+ if (val >= 0 && (val & SMI_BUSY) == 0)
+ return 0;
+
+ mdelay(1);
+ } while (--timeout);
+
+ dev_err(dev, "SMI busy timeout\n");
+ return -ETIMEDOUT;
+}
+
+/*
+ * The mv88e6xxx has three types of addresses: the smi bus address, the device
+ * address, and the register address. The smi bus address distinguishes it on
+ * the smi bus from other PHYs or switches. The device address determines
+ * which on-chip register set you are reading/writing (the various PHYs, their
+ * associated ports, or global configuration registers). The register address
+ * is the offset of the register you are reading/writing.
+ *
+ * When the mv88e6xxx is hardware configured to have address zero, it behaves in
+ * single-chip addressing mode, where it responds to all SMI addresses, using
+ * the smi address as its device address. This obviously only works when this
+ * is the only chip on the SMI bus. This allows the driver to access device
+ * registers without using indirection. When the chip is configured to a
+ * non-zero address, it only responds to that SMI address and requires indirect
+ * writes to access the different device addresses.
+ */
+static int mv88e6xxx_reg_read(struct udevice *dev, int addr, int reg)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int smi_addr = priv->smi_addr;
+ int res;
+
+ /* In single-chip mode, the device can be addressed directly */
+ if (smi_addr == 0)
+ return dm_mdio_read(dev->parent, addr, MDIO_DEVAD_NONE, reg);
+
+ /* Wait for the bus to become free */
+ res = mv88e6xxx_smi_wait(dev, smi_addr);
+ if (res < 0)
+ return res;
+
+ /* Issue the read command */
+ res = dm_mdio_write(dev->parent, smi_addr, MDIO_DEVAD_NONE, SMI_CMD_REG,
+ SMI_CMD_READ(addr, reg));
+ if (res < 0)
+ return res;
+
+ /* Wait for the read command to complete */
+ res = mv88e6xxx_smi_wait(dev, smi_addr);
+ if (res < 0)
+ return res;
+
+ /* Read the data */
+ res = dm_mdio_read(dev->parent, smi_addr, MDIO_DEVAD_NONE, SMI_DATA_REG);
+ if (res < 0)
+ return res;
+
+ return res & 0xffff;
+}
+
+/* See the comment above mv88e6xxx_reg_read */
+static int mv88e6xxx_reg_write(struct udevice *dev, int addr, int reg, u16 val)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int smi_addr = priv->smi_addr;
+ int res;
+
+ /* In single-chip mode, the device can be addressed directly */
+ if (smi_addr == 0)
+ return dm_mdio_write(dev->parent, addr, MDIO_DEVAD_NONE, reg, val);
+
+ /* Wait for the bus to become free */
+ res = mv88e6xxx_smi_wait(dev, smi_addr);
+ if (res < 0)
+ return res;
+
+ /* Set the data to write */
+ res = dm_mdio_write(dev->parent, smi_addr, MDIO_DEVAD_NONE,
+ SMI_DATA_REG, val);
+ if (res < 0)
+ return res;
+
+ /* Issue the write command */
+ res = dm_mdio_write(dev->parent, smi_addr, MDIO_DEVAD_NONE, SMI_CMD_REG,
+ SMI_CMD_WRITE(addr, reg));
+ if (res < 0)
+ return res;
+
+ /* Wait for the write command to complete */
+ res = mv88e6xxx_smi_wait(dev, smi_addr);
+ if (res < 0)
+ return res;
+
+ return 0;
+}
+
+static int mv88e6xxx_phy_wait(struct udevice *dev)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int val;
+ u32 timeout = 100;
+
+ do {
+ val = mv88e6xxx_reg_read(dev, priv->global2, GLOBAL2_REG_PHY_CMD);
+ if (val >= 0 && (val & SMI_BUSY) == 0)
+ return 0;
+
+ mdelay(1);
+ } while (--timeout);
+
+ return -ETIMEDOUT;
+}
+
+static int mv88e6xxx_phy_read_indirect(struct udevice *dev, int phyad, int devad, int reg)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int res;
+
+ /* Issue command to read */
+ res = mv88e6xxx_reg_write(dev, priv->global2,
+ GLOBAL2_REG_PHY_CMD,
+ SMI_CMD_READ(phyad, reg));
+
+ /* Wait for data to be read */
+ res = mv88e6xxx_phy_wait(dev);
+ if (res < 0)
+ return res;
+
+ /* Read retrieved data */
+ return mv88e6xxx_reg_read(dev, priv->global2,
+ GLOBAL2_REG_PHY_DATA);
+}
+
+static int mv88e6xxx_phy_write_indirect(struct udevice *dev, int phyad,
+ int devad, int reg, u16 data)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int res;
+
+ /* Set the data to write */
+ res = mv88e6xxx_reg_write(dev, priv->global2,
+ GLOBAL2_REG_PHY_DATA, data);
+ if (res < 0)
+ return res;
+ /* Issue the write command */
+ res = mv88e6xxx_reg_write(dev, priv->global2,
+ GLOBAL2_REG_PHY_CMD,
+ SMI_CMD_WRITE(phyad, reg));
+ if (res < 0)
+ return res;
+
+ /* Wait for command to complete */
+ return mv88e6xxx_phy_wait(dev);
+}
+
+/* Wrapper function to make calls to phy_read_indirect simpler */
+static int mv88e6xxx_phy_read(struct udevice *dev, int phy, int reg)
+{
+ return mv88e6xxx_phy_read_indirect(dev, DEVADDR_PHY(phy),
+ MDIO_DEVAD_NONE, reg);
+}
+
+/* Wrapper function to make calls to phy_write_indirect simpler */
+static int mv88e6xxx_phy_write(struct udevice *dev, int phy, int reg, u16 val)
+{
+ return mv88e6xxx_phy_write_indirect(dev, DEVADDR_PHY(phy),
+ MDIO_DEVAD_NONE, reg, val);
+}
+
+static int mv88e6xxx_port_read(struct udevice *dev, u8 port, u8 reg)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+
+ return mv88e6xxx_reg_read(dev, priv->port_reg_base + port, reg);
+}
+
+static int mv88e6xxx_port_write(struct udevice *dev, u8 port, u8 reg, u16 val)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+
+ return mv88e6xxx_reg_write(dev, priv->port_reg_base + port, reg, val);
+}
+
+static int mv88e6xxx_set_page(struct udevice *dev, u8 phy, u8 page)
+{
+ return mv88e6xxx_phy_write(dev, phy, PHY_REG_PAGE, page);
+}
+
+static int mv88e6xxx_get_switch_id(struct udevice *dev)
+{
+ int res;
+
+ res = mv88e6xxx_port_read(dev, 0, PORT_REG_SWITCH_ID);
+ if (res < 0) {
+ dev_err(dev, "Failed to read switch ID: %d\n", res);
+ return res;
+ }
+ return res & 0xfff0;
+}
+
+static bool mv88e6xxx_6352_family(struct udevice *dev)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+
+ switch (priv->id) {
+ case PORT_SWITCH_ID_6172:
+ case PORT_SWITCH_ID_6176:
+ case PORT_SWITCH_ID_6240:
+ case PORT_SWITCH_ID_6352:
+ return true;
+ }
+ return false;
+}
+
+static int mv88e6xxx_get_cmode(struct udevice *dev, u8 port)
+{
+ int res;
+
+ res = mv88e6xxx_port_read(dev, port, PORT_REG_STATUS);
+ if (res < 0)
+ return res;
+ return res & PORT_REG_STATUS_CMODE_MASK;
+}
+
+static int mv88e6xxx_switch_reset(struct udevice *dev)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int time_ms;
+ int val;
+ u8 port;
+
+ /* Disable all ports */
+ for (port = 0; port < priv->port_count; port++) {
+ val = mv88e6xxx_port_read(dev, port, PORT_REG_CTRL);
+ if (val < 0)
+ return val;
+ val &= ~(PORT_REG_CTRL_PSTATE_MASK << PORT_REG_CTRL_PSTATE_SHIFT);
+ val |= (PORT_REG_CTRL_PSTATE_DISABLED << PORT_REG_CTRL_PSTATE_SHIFT);
+ val = mv88e6xxx_port_write(dev, port, PORT_REG_CTRL, val);
+ if (val < 0)
+ return val;
+ }
+
+ /* Wait 2 ms for queues to drain */
+ udelay(2000);
+
+ /* Reset switch */
+ val = mv88e6xxx_reg_read(dev, priv->global1, GLOBAL1_CTRL);
+ if (val < 0)
+ return val;
+ val |= GLOBAL1_CTRL_SWRESET;
+ val = mv88e6xxx_reg_write(dev, priv->global1, GLOBAL1_CTRL, val);
+ if (val < 0)
+ return val;
+
+ /* Wait up to 1 second for switch to reset complete */
+ for (time_ms = 1000; time_ms; time_ms--) {
+ val = mv88e6xxx_reg_read(dev, priv->global1, GLOBAL1_CTRL);
+ if (val >= 0 && ((val & GLOBAL1_CTRL_SWRESET) == 0))
+ break;
+ udelay(1000);
+ }
+ if (!time_ms)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int mv88e6xxx_serdes_init(struct udevice *dev)
+{
+ int val;
+
+ val = mv88e6xxx_set_page(dev, DEVADDR_SERDES, PHY_PAGE_SERDES);
+ if (val < 0)
+ return val;
+
+ /* Power up serdes module */
+ val = mv88e6xxx_phy_read(dev, DEVADDR_SERDES, MII_BMCR);
+ if (val < 0)
+ return val;
+ val &= ~(BMCR_PDOWN);
+ val = mv88e6xxx_phy_write(dev, DEVADDR_SERDES, MII_BMCR, val);
+ if (val < 0)
+ return val;
+
+ return 0;
+}
+
+/*
+ * This function is used to pre-configure the required register
+ * offsets, so that the indirect register access to the PHY registers
+ * is possible. This is necessary to be able to read the PHY ID
+ * while driver probing or in get_phy_id(). The globalN register
+ * offsets must be initialized correctly for a detected switch,
+ * otherwise detection of the PHY ID won't work!
+ */
+static int mv88e6xxx_priv_reg_offs_pre_init(struct udevice *dev)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+
+ /*
+ * Initial 'port_reg_base' value must be an offset of existing
+ * port register, then reading the ID should succeed. First, try
+ * to read via port registers with device address 0x10 (88E6096
+ * and compatible switches).
+ */
+ priv->port_reg_base = 0x10;
+ priv->id = mv88e6xxx_get_switch_id(dev);
+ if (priv->id != 0xfff0) {
+ priv->global1 = 0x1B;
+ priv->global2 = 0x1C;
+ return 0;
+ }
+
+ /*
+ * Now try via port registers with device address 0x08
+ * (88E6020 and compatible switches).
+ */
+ priv->port_reg_base = 0x08;
+ priv->id = mv88e6xxx_get_switch_id(dev);
+ if (priv->id != 0xfff0) {
+ priv->global1 = 0x0F;
+ priv->global2 = 0x07;
+ return 0;
+ }
+
+ dev_warn(dev, "%s Unknown ID 0x%x\n", __func__, priv->id);
+
+ return -ENODEV;
+}
+
+static int mv88e6xxx_mdio_read(struct udevice *dev, int addr, int devad, int reg)
+{
+ return mv88e6xxx_phy_read_indirect(dev->parent, DEVADDR_PHY(addr),
+ MDIO_DEVAD_NONE, reg);
+}
+
+static int mv88e6xxx_mdio_write(struct udevice *dev, int addr, int devad,
+ int reg, u16 val)
+{
+ return mv88e6xxx_phy_write_indirect(dev->parent, DEVADDR_PHY(addr),
+ MDIO_DEVAD_NONE, reg, val);
+}
+
+static const struct mdio_ops mv88e6xxx_mdio_ops = {
+ .read = mv88e6xxx_mdio_read,
+ .write = mv88e6xxx_mdio_write,
+};
+
+static int mv88e6xxx_mdio_bind(struct udevice *dev)
+{
+ char name[32];
+ static int num_devices;
+
+ sprintf(name, "mv88e6xxx-mdio-%d", num_devices++);
+ device_set_name(dev, name);
+
+ return 0;
+}
+
+U_BOOT_DRIVER(mv88e6xxx_mdio) = {
+ .name = "mv88e6xxx_mdio",
+ .id = UCLASS_MDIO,
+ .ops = &mv88e6xxx_mdio_ops,
+ .bind = mv88e6xxx_mdio_bind,
+ .plat_auto = sizeof(struct mdio_perdev_priv),
+};
+
+static int mv88e6xxx_port_probe(struct udevice *dev, int port, struct phy_device *phy)
+{
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int supported;
+
+ switch (priv->id) {
+ case PORT_SWITCH_ID_6020:
+ case PORT_SWITCH_ID_6070:
+ case PORT_SWITCH_ID_6071:
+ supported = PHY_BASIC_FEATURES | SUPPORTED_MII;
+ break;
+ default:
+ supported = PHY_GBIT_FEATURES;
+ break;
+ }
+
+ phy->supported &= supported;
+ phy->advertising &= supported;
+
+ return phy_config(phy);
+}
+
+static int mv88e6xxx_port_enable(struct udevice *dev, int port, struct phy_device *phy)
+{
+ int val, ret;
+
+ dev_dbg(dev, "%s P%d phy:0x%08x %s\n", __func__, port,
+ phy->phy_id, phy_string_for_interface(phy->interface));
+
+ if (phy->phy_id == PHY_FIXED_ID) {
+ /* Physical Control register: Table 62 */
+ val = mv88e6xxx_port_read(dev, port, PORT_REG_PHYS_CTRL);
+
+ /* configure RGMII delays for fixed link */
+ switch (phy->interface) {
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ dev_dbg(dev, "configure internal RGMII delays\n");
+
+ /* RGMII delays */
+ val &= ~(PORT_REG_PHYS_CTRL_RGMII_DELAY_RXCLK ||
+ PORT_REG_PHYS_CTRL_RGMII_DELAY_TXCLK);
+ if (phy->interface == PHY_INTERFACE_MODE_RGMII_ID ||
+ phy->interface == PHY_INTERFACE_MODE_RGMII_RXID)
+ val |= PORT_REG_PHYS_CTRL_RGMII_DELAY_RXCLK;
+ if (phy->interface == PHY_INTERFACE_MODE_RGMII_ID ||
+ phy->interface == PHY_INTERFACE_MODE_RGMII_TXID)
+ val |= PORT_REG_PHYS_CTRL_RGMII_DELAY_TXCLK;
+ break;
+ default:
+ break;
+ }
+
+ /* Force Link */
+ val |= PORT_REG_PHYS_CTRL_LINK_VALUE |
+ PORT_REG_PHYS_CTRL_LINK_FORCE;
+
+ ret = mv88e6xxx_port_write(dev, port, PORT_REG_PHYS_CTRL, val);
+ if (ret < 0)
+ return ret;
+
+ if (mv88e6xxx_6352_family(dev)) {
+ /* validate interface type */
+ dev_dbg(dev, "validate interface type\n");
+ val = mv88e6xxx_get_cmode(dev, port);
+ if (val < 0)
+ return val;
+ switch (phy->interface) {
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ if (val != PORT_REG_STATUS_CMODE_RGMII)
+ goto mismatch;
+ break;
+ case PHY_INTERFACE_MODE_1000BASEX:
+ if (val != PORT_REG_STATUS_CMODE_1000BASE_X)
+ goto mismatch;
+ break;
+mismatch:
+ default:
+ dev_err(dev, "Mismatched PHY mode %s on port %d!\n",
+ phy_string_for_interface(phy->interface), port);
+ break;
+ }
+ }
+ }
+
+ /* enable port */
+ val = mv88e6xxx_port_read(dev, port, PORT_REG_CTRL);
+ if (val < 0)
+ return val;
+ val &= ~(PORT_REG_CTRL_PSTATE_MASK << PORT_REG_CTRL_PSTATE_SHIFT);
+ val |= (PORT_REG_CTRL_PSTATE_FORWARD << PORT_REG_CTRL_PSTATE_SHIFT);
+ val = mv88e6xxx_port_write(dev, port, PORT_REG_CTRL, val);
+ if (val < 0)
+ return val;
+
+ return phy_startup(phy);
+}
+
+static void mv88e6xxx_port_disable(struct udevice *dev, int port, struct phy_device *phy)
+{
+ int val;
+
+ dev_dbg(dev, "%s P%d phy:0x%08x %s\n", __func__, port,
+ phy->phy_id, phy_string_for_interface(phy->interface));
+
+ val = mv88e6xxx_port_read(dev, port, PORT_REG_CTRL);
+ val &= ~(PORT_REG_CTRL_PSTATE_MASK << PORT_REG_CTRL_PSTATE_SHIFT);
+ val |= (PORT_REG_CTRL_PSTATE_DISABLED << PORT_REG_CTRL_PSTATE_SHIFT);
+ mv88e6xxx_port_write(dev, port, PORT_REG_CTRL, val);
+}
+
+static const struct dsa_ops mv88e6xxx_dsa_ops = {
+ .port_probe = mv88e6xxx_port_probe,
+ .port_enable = mv88e6xxx_port_enable,
+ .port_disable = mv88e6xxx_port_disable,
+};
+
+/* bind and probe the switch mdios */
+static int mv88e6xxx_probe_mdio(struct udevice *dev)
+{
+ struct udevice *mdev;
+ const char *name;
+ ofnode node;
+ int ret;
+
+ /* bind phy ports of mdio child node to mv88e6xxx_mdio device */
+ node = dev_read_subnode(dev, "mdio");
+ if (!ofnode_valid(node))
+ return 0;
+
+ name = ofnode_get_name(node);
+ ret = device_bind_driver_to_node(dev,
+ "mv88e6xxx_mdio",
+ name, node, NULL);
+ if (ret) {
+ dev_err(dev, "failed to bind %s: %d\n", name, ret);
+ } else {
+ /* need to probe it as there is no compatible to do so */
+ ret = uclass_get_device_by_ofnode(UCLASS_MDIO, node, &mdev);
+ if (ret)
+ dev_err(dev, "failed to probe %s: %d\n", name, ret);
+ }
+
+ return ret;
+}
+
+static int mv88e6xxx_probe(struct udevice *dev)
+{
+ struct dsa_pdata *dsa_pdata = dev_get_uclass_plat(dev);
+ struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+ int val, ret;
+
+ if (ofnode_valid(dev_ofnode(dev)) &&
+ !ofnode_is_enabled(dev_ofnode(dev))) {
+ dev_dbg(dev, "switch disabled\n");
+ return -ENODEV;
+ }
+
+ /* probe internal mdio bus */
+ ret = mv88e6xxx_probe_mdio(dev);
+ if (ret)
+ return ret;
+
+ ret = mv88e6xxx_priv_reg_offs_pre_init(dev);
+ if (ret)
+ return ret;
+
+ dev_dbg(dev, "ID=0x%x PORT_BASE=0x%02x GLOBAL1=0x%02x GLOBAL2=0x%02x\n",
+ priv->id, priv->port_reg_base, priv->global1, priv->global2);
+ switch (priv->id) {
+ case PORT_SWITCH_ID_6096:
+ case PORT_SWITCH_ID_6097:
+ case PORT_SWITCH_ID_6172:
+ case PORT_SWITCH_ID_6176:
+ case PORT_SWITCH_ID_6240:
+ case PORT_SWITCH_ID_6352:
+ priv->port_count = 11;
+ break;
+ case PORT_SWITCH_ID_6020:
+ case PORT_SWITCH_ID_6070:
+ case PORT_SWITCH_ID_6071:
+ case PORT_SWITCH_ID_6220:
+ case PORT_SWITCH_ID_6250:
+ case PORT_SWITCH_ID_6320:
+ priv->port_count = 7;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ ret = mv88e6xxx_switch_reset(dev);
+ if (ret < 0)
+ return ret;
+
+ if (mv88e6xxx_6352_family(dev)) {
+ val = mv88e6xxx_get_cmode(dev, dsa_pdata->cpu_port);
+ if (val < 0)
+ return val;
+ /* initialize serdes */
+ if (val == PORT_REG_STATUS_CMODE_100BASE_X ||
+ val == PORT_REG_STATUS_CMODE_1000BASE_X ||
+ val == PORT_REG_STATUS_CMODE_SGMII) {
+ ret = mv88e6xxx_serdes_init(dev);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct udevice_id mv88e6xxx_ids[] = {
+ { .compatible = "marvell,mv88e6085" },
+ { }
+};
+
+U_BOOT_DRIVER(mv88e6xxx) = {
+ .name = "mv88e6xxx",
+ .id = UCLASS_DSA,
+ .of_match = mv88e6xxx_ids,
+ .probe = mv88e6xxx_probe,
+ .ops = &mv88e6xxx_dsa_ops,
+ .priv_auto = sizeof(struct mv88e6xxx_priv),
+};
diff --git a/include/net6.h b/include/net6.h
index 9b3de028e6d..2d7c5a09604 100644
--- a/include/net6.h
+++ b/include/net6.h
@@ -24,7 +24,7 @@ struct in6_addr {
#define s6_addr in6_u.u6_addr8
#define s6_addr16 in6_u.u6_addr16
#define s6_addr32 in6_u.u6_addr32
-};
+} __packed;
#define IN6ADDRSZ sizeof(struct in6_addr)
#define INETHADDRSZ sizeof(net_ethaddr)
@@ -62,7 +62,7 @@ struct ip6_hdr {
u8 hop_limit;
struct in6_addr saddr;
struct in6_addr daddr;
-};
+} __packed;
#define IP6_HDR_SIZE (sizeof(struct ip6_hdr))
/* struct udp_hdr - User Datagram Protocol header */
@@ -164,7 +164,7 @@ struct icmp6hdr {
#define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
#define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
#define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
-};
+} __packed;
extern struct in6_addr const net_null_addr_ip6; /* NULL IPv6 address */
extern struct in6_addr net_gateway6; /* Our gateways IPv6 address */
diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
index 5b7046432ff..dd78e5744d5 100644
--- a/net/dsa-uclass.c
+++ b/net/dsa-uclass.c
@@ -142,20 +142,22 @@ static int dsa_port_send(struct udevice *pdev, void *packet, int length)
struct dsa_port_pdata *port_pdata;
int err;
- if (length + head + tail > PKTSIZE_ALIGN)
- return -EINVAL;
+ if (ops->xmit) {
+ if (length + head + tail > PKTSIZE_ALIGN)
+ return -EINVAL;
- memset(dsa_packet_tmp, 0, head);
- memset(dsa_packet_tmp + head + length, 0, tail);
- memcpy(dsa_packet_tmp + head, packet, length);
- length += head + tail;
- /* copy back to preserve original buffer alignment */
- memcpy(packet, dsa_packet_tmp, length);
+ memset(dsa_packet_tmp, 0, head);
+ memset(dsa_packet_tmp + head + length, 0, tail);
+ memcpy(dsa_packet_tmp + head, packet, length);
+ length += head + tail;
+ /* copy back to preserve original buffer alignment */
+ memcpy(packet, dsa_packet_tmp, length);
- port_pdata = dev_get_parent_plat(pdev);
- err = ops->xmit(dev, port_pdata->index, packet, length);
- if (err)
- return err;
+ port_pdata = dev_get_parent_plat(pdev);
+ err = ops->xmit(dev, port_pdata->index, packet, length);
+ if (err)
+ return err;
+ }
return eth_get_ops(master)->send(master, packet, length);
}
@@ -172,7 +174,7 @@ static int dsa_port_recv(struct udevice *pdev, int flags, uchar **packetp)
int length, port_index, err;
length = eth_get_ops(master)->recv(master, flags, packetp);
- if (length <= 0)
+ if (length <= 0 || !ops->rcv)
return length;
/*
@@ -342,6 +344,19 @@ U_BOOT_DRIVER(dsa_port) = {
.plat_auto = sizeof(struct eth_pdata),
};
+static int dsa_sanitize_ops(struct udevice *dev)
+{
+ struct dsa_ops *ops = dsa_get_ops(dev);
+
+ if ((!ops->xmit || !ops->rcv) &&
+ (!ops->port_enable && !ops->port_disable)) {
+ dev_err(dev, "Packets cannot be steered to ports\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/*
* This function mostly deals with pulling information out of the device tree
* into the pdata structure.
@@ -358,6 +373,10 @@ static int dsa_post_bind(struct udevice *dev)
if (!ofnode_valid(node))
return -ENODEV;
+ err = dsa_sanitize_ops(dev);
+ if (err)
+ return err;
+
pdata->master_node = ofnode_null();
node = ofnode_find_subnode(node, "ports");
@@ -466,7 +485,6 @@ static int dsa_pre_probe(struct udevice *dev)
{
struct dsa_pdata *pdata = dev_get_uclass_plat(dev);
struct dsa_priv *priv = dev_get_uclass_priv(dev);
- struct dsa_ops *ops = dsa_get_ops(dev);
int err;
priv->num_ports = pdata->num_ports;
@@ -482,6 +500,15 @@ static int dsa_pre_probe(struct udevice *dev)
if (err)
return err;
+ return 0;
+}
+
+static int dsa_post_probe(struct udevice *dev)
+{
+ struct dsa_priv *priv = dev_get_uclass_priv(dev);
+ struct dsa_ops *ops = dsa_get_ops(dev);
+ int err;
+
/* Simulate a probing event for the CPU port */
if (ops->port_probe) {
err = ops->port_probe(dev, priv->cpu_port,
@@ -498,6 +525,7 @@ UCLASS_DRIVER(dsa) = {
.name = "dsa",
.post_bind = dsa_post_bind,
.pre_probe = dsa_pre_probe,
+ .post_probe = dsa_post_probe,
.per_device_auto = sizeof(struct dsa_priv),
.per_device_plat_auto = sizeof(struct dsa_pdata),
.per_child_plat_auto = sizeof(struct dsa_port_pdata),
diff --git a/net/mdio-uclass.c b/net/mdio-uclass.c
index 4401492ca01..d80037d0ac7 100644
--- a/net/mdio-uclass.c
+++ b/net/mdio-uclass.c
@@ -49,7 +49,11 @@ static int dm_mdio_post_bind(struct udevice *dev)
return -EINVAL;
}
+#if CONFIG_IS_ENABLED(OF_REAL)
+ return dm_scan_fdt_dev(dev);
+#else
return 0;
+#endif
}
int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg)
diff --git a/net/net6.c b/net/net6.c
index fdea0787885..75577bcea17 100644
--- a/net/net6.c
+++ b/net/net6.c
@@ -47,10 +47,13 @@ static int on_ip6addr(const char *name, const char *value, enum env_op op,
}
mask = strchr(value, '/');
- len = strlen(value);
- if (mask)
- net_prefix_length = simple_strtoul(value + len, NULL, 10);
+ if (mask) {
+ net_prefix_length = simple_strtoul(mask + 1, NULL, 10);
+ len = mask - value;
+ } else {
+ len = strlen(value);
+ }
return string_to_ip6(value, len, &net_ip6);
}
diff --git a/net/tftp.c b/net/tftp.c
index c780c33f379..88e71e67de3 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -593,6 +593,14 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
ntohs(*(__be16 *)pkt),
(ushort)(tftp_cur_block + 1));
/*
+ * Only ACK if the block count received is greater than
+ * the expected block count, otherwise skip ACK.
+ * (required to properly handle the server retransmitting
+ * the window)
+ */
+ if ((ushort)(tftp_cur_block + 1) - (short)(ntohs(*(__be16 *)pkt)) > 0)
+ break;
+ /*
* If one packet is dropped most likely
* all other buffers in the window
* that will arrive will cause a sending NACK.
@@ -837,7 +845,7 @@ void tftp_start(enum proto_t protocol)
e = strchr(net_boot_file_name, ']');
len = e - s;
if (s && e) {
- string_to_ip6(s + 1, len, &tftp_remote_ip6);
+ string_to_ip6(s + 1, len - 1, &tftp_remote_ip6);
strlcpy(tftp_filename, e + 2, MAX_LEN);
} else {
strlcpy(tftp_filename, net_boot_file_name, MAX_LEN);