diff options
Diffstat (limited to 'target/linux/generic/files/drivers/net/phy/mvsw61xx.c')
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/mvsw61xx.c | 854 |
1 files changed, 854 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/mvsw61xx.c b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c new file mode 100644 index 0000000..f879056 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/mvsw61xx.c @@ -0,0 +1,854 @@ +/* + * Marvell 88E61xx switch driver + * + * Copyright (c) 2014 Claudio Leite <leitec@staticky.com> + * Copyright (c) 2014 Nikita Nazarenko <nnazarenko@radiofid.com> + * + * Based on code (c) 2008 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License v2 as published by the + * Free Software Foundation + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/mii.h> +#include <linux/phy.h> +#include <linux/of.h> +#include <linux/of_mdio.h> +#include <linux/delay.h> +#include <linux/switch.h> +#include <linux/device.h> +#include <linux/platform_device.h> + +#include "mvsw61xx.h" + +MODULE_DESCRIPTION("Marvell 88E61xx Switch driver"); +MODULE_AUTHOR("Claudio Leite <leitec@staticky.com>"); +MODULE_AUTHOR("Nikita Nazarenko <nnazarenko@radiofid.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:mvsw61xx"); + +/* + * Register access is done through direct or indirect addressing, + * depending on how the switch is physically connected. + * + * Direct addressing: all port and global registers directly + * accessible via an address/register pair + * + * Indirect addressing: switch is mapped at a single address, + * port and global registers accessible via a single command/data + * register pair + */ + +static int +mvsw61xx_wait_mask_raw(struct mii_bus *bus, int addr, + int reg, u16 mask, u16 val) +{ + int i = 100; + u16 r; + + do { + r = bus->read(bus, addr, reg); + if ((r & mask) == val) + return 0; + } while (--i > 0); + + return -ETIMEDOUT; +} + +static u16 +r16(struct mii_bus *bus, bool indirect, int base_addr, int addr, int reg) +{ + u16 ind_addr; + + if (!indirect) + return bus->read(bus, addr, reg); + + /* Indirect read: First, make sure switch is free */ + mvsw61xx_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD, + MV_INDIRECT_INPROGRESS, 0); + + /* Load address and request read */ + ind_addr = MV_INDIRECT_READ | (addr << MV_INDIRECT_ADDR_S) | reg; + bus->write(bus, base_addr, MV_INDIRECT_REG_CMD, + ind_addr); + + /* Wait until it's ready */ + mvsw61xx_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD, + MV_INDIRECT_INPROGRESS, 0); + + /* Read the requested data */ + return bus->read(bus, base_addr, MV_INDIRECT_REG_DATA); +} + +static void +w16(struct mii_bus *bus, bool indirect, int base_addr, int addr, + int reg, u16 val) +{ + u16 ind_addr; + + if (!indirect) { + bus->write(bus, addr, reg, val); + return; + } + + /* Indirect write: First, make sure switch is free */ + mvsw61xx_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD, + MV_INDIRECT_INPROGRESS, 0); + + /* Load the data to be written */ + bus->write(bus, base_addr, MV_INDIRECT_REG_DATA, val); + + /* Wait again for switch to be free */ + mvsw61xx_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD, + MV_INDIRECT_INPROGRESS, 0); + + /* Load address, and issue write command */ + ind_addr = MV_INDIRECT_WRITE | (addr << MV_INDIRECT_ADDR_S) | reg; + bus->write(bus, base_addr, MV_INDIRECT_REG_CMD, + ind_addr); +} + +/* swconfig support */ + +static inline u16 +sr16(struct switch_dev *dev, int addr, int reg) +{ + struct mvsw61xx_state *state = get_state(dev); + + return r16(state->bus, state->is_indirect, state->base_addr, addr, reg); +} + +static inline void +sw16(struct switch_dev *dev, int addr, int reg, u16 val) +{ + struct mvsw61xx_state *state = get_state(dev); + + w16(state->bus, state->is_indirect, state->base_addr, addr, reg, val); +} + +static int +mvsw61xx_wait_mask_s(struct switch_dev *dev, int addr, + int reg, u16 mask, u16 val) +{ + int i = 100; + u16 r; + + do { + r = sr16(dev, addr, reg) & mask; + if (r == val) + return 0; + } while (--i > 0); + + return -ETIMEDOUT; +} + +static int +mvsw61xx_get_port_mask(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + char *buf = state->buf; + int port, len, i; + u16 reg; + + port = val->port_vlan; + reg = sr16(dev, MV_PORTREG(VLANMAP, port)) & MV_PORTS_MASK; + + len = sprintf(buf, "0x%04x: ", reg); + + for (i = 0; i < MV_PORTS; i++) { + if (reg & (1 << i)) + len += sprintf(buf + len, "%d ", i); + else if (i == port) + len += sprintf(buf + len, "(%d) ", i); + } + + val->value.s = buf; + + return 0; +} + +static int +mvsw61xx_get_port_qmode(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + + val->value.i = state->ports[val->port_vlan].qmode; + + return 0; +} + +static int +mvsw61xx_set_port_qmode(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + + state->ports[val->port_vlan].qmode = val->value.i; + + return 0; +} + +static int +mvsw61xx_get_port_pvid(struct switch_dev *dev, int port, int *val) +{ + struct mvsw61xx_state *state = get_state(dev); + + *val = state->ports[port].pvid; + + return 0; +} + +static int +mvsw61xx_set_port_pvid(struct switch_dev *dev, int port, int val) +{ + struct mvsw61xx_state *state = get_state(dev); + + if (val < 0 || val >= MV_VLANS) + return -EINVAL; + + state->ports[port].pvid = (u16)val; + + return 0; +} + +static int +mvsw61xx_get_port_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + u16 status, speed; + + status = sr16(dev, MV_PORTREG(STATUS, port)); + + link->link = status & MV_PORT_STATUS_LINK; + if (!link->link) + return 0; + + link->duplex = status & MV_PORT_STATUS_FDX; + + speed = (status & MV_PORT_STATUS_SPEED_MASK) >> + MV_PORT_STATUS_SPEED_SHIFT; + + switch (speed) { + case MV_PORT_STATUS_SPEED_10: + link->speed = SWITCH_PORT_SPEED_10; + break; + case MV_PORT_STATUS_SPEED_100: + link->speed = SWITCH_PORT_SPEED_100; + break; + case MV_PORT_STATUS_SPEED_1000: + link->speed = SWITCH_PORT_SPEED_1000; + break; + } + + return 0; +} + +static int mvsw61xx_get_vlan_ports(struct switch_dev *dev, + struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int i, j, mode, vno; + + vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + for (i = 0, j = 0; i < dev->ports; i++) { + if (state->vlans[vno].mask & (1 << i)) { + val->value.ports[j].id = i; + + mode = (state->vlans[vno].port_mode >> (i * 4)) & 0xf; + if (mode == MV_VTUCTL_EGRESS_TAGGED) + val->value.ports[j].flags = + (1 << SWITCH_PORT_FLAG_TAGGED); + else + val->value.ports[j].flags = 0; + + j++; + } + } + + val->len = j; + + return 0; +} + +static int mvsw61xx_set_vlan_ports(struct switch_dev *dev, + struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int i, mode, pno, vno; + + vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + state->vlans[vno].mask = 0; + state->vlans[vno].port_mode = 0; + state->vlans[vno].port_sstate = 0; + + if(state->vlans[vno].vid == 0) + state->vlans[vno].vid = vno; + + for (i = 0; i < val->len; i++) { + pno = val->value.ports[i].id; + + state->vlans[vno].mask |= (1 << pno); + if (val->value.ports[i].flags & + (1 << SWITCH_PORT_FLAG_TAGGED)) + mode = MV_VTUCTL_EGRESS_TAGGED; + else + mode = MV_VTUCTL_EGRESS_UNTAGGED; + + state->vlans[vno].port_mode |= mode << (pno * 4); + state->vlans[vno].port_sstate |= + MV_STUCTL_STATE_FORWARDING << (pno * 4 + 2); + } + + /* + * DISCARD is nonzero, so it must be explicitly + * set on ports not in the VLAN. + */ + for (i = 0; i < dev->ports; i++) + if (!(state->vlans[vno].mask & (1 << i))) + state->vlans[vno].port_mode |= + MV_VTUCTL_DISCARD << (i * 4); + + return 0; +} + +static int mvsw61xx_get_vlan_port_based(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + if (state->vlans[vno].port_based) + val->value.i = 1; + else + val->value.i = 0; + + return 0; +} + +static int mvsw61xx_set_vlan_port_based(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + if (val->value.i == 1) + state->vlans[vno].port_based = true; + else + state->vlans[vno].port_based = false; + + return 0; +} + +static int mvsw61xx_get_vid(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + val->value.i = state->vlans[vno].vid; + + return 0; +} + +static int mvsw61xx_set_vid(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + int vno = val->port_vlan; + + if (vno <= 0 || vno >= dev->vlans) + return -EINVAL; + + state->vlans[vno].vid = val->value.i; + + return 0; +} + +static int mvsw61xx_get_enable_vlan(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + + val->value.i = state->vlan_enabled; + + return 0; +} + +static int mvsw61xx_set_enable_vlan(struct switch_dev *dev, + const struct switch_attr *attr, struct switch_val *val) +{ + struct mvsw61xx_state *state = get_state(dev); + + state->vlan_enabled = val->value.i; + + return 0; +} + +static int mvsw61xx_vtu_program(struct switch_dev *dev) +{ + struct mvsw61xx_state *state = get_state(dev); + u16 v1, v2, s1, s2; + int i; + + /* Flush */ + mvsw61xx_wait_mask_s(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS, 0); + sw16(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS | MV_VTUOP_PURGE); + + /* Write VLAN table */ + for (i = 1; i < dev->vlans; i++) { + if (state->vlans[i].mask == 0 || + state->vlans[i].vid == 0 || + state->vlans[i].port_based == true) + continue; + + mvsw61xx_wait_mask_s(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS, 0); + + /* Write per-VLAN port state into STU */ + s1 = (u16) (state->vlans[i].port_sstate & 0xffff); + s2 = (u16) ((state->vlans[i].port_sstate >> 16) & 0xffff); + + sw16(dev, MV_GLOBALREG(VTU_VID), MV_VTU_VID_VALID); + sw16(dev, MV_GLOBALREG(VTU_SID), i); + sw16(dev, MV_GLOBALREG(VTU_DATA1), s1); + sw16(dev, MV_GLOBALREG(VTU_DATA2), s2); + sw16(dev, MV_GLOBALREG(VTU_DATA3), 0); + + sw16(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS | MV_VTUOP_STULOAD); + mvsw61xx_wait_mask_s(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS, 0); + + /* Write VLAN information into VTU */ + v1 = (u16) (state->vlans[i].port_mode & 0xffff); + v2 = (u16) ((state->vlans[i].port_mode >> 16) & 0xffff); + + sw16(dev, MV_GLOBALREG(VTU_VID), + MV_VTU_VID_VALID | state->vlans[i].vid); + sw16(dev, MV_GLOBALREG(VTU_SID), i); + sw16(dev, MV_GLOBALREG(VTU_FID), i); + sw16(dev, MV_GLOBALREG(VTU_DATA1), v1); + sw16(dev, MV_GLOBALREG(VTU_DATA2), v2); + sw16(dev, MV_GLOBALREG(VTU_DATA3), 0); + + sw16(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS | MV_VTUOP_LOAD); + mvsw61xx_wait_mask_s(dev, MV_GLOBALREG(VTU_OP), + MV_VTUOP_INPROGRESS, 0); + } + + return 0; +} + +static void mvsw61xx_vlan_port_config(struct switch_dev *dev, int vno) +{ + struct mvsw61xx_state *state = get_state(dev); + int i, mode; + + for (i = 0; i < dev->ports; i++) { + if (!(state->vlans[vno].mask & (1 << i))) + continue; + + mode = (state->vlans[vno].port_mode >> (i * 4)) & 0xf; + + if(mode != MV_VTUCTL_EGRESS_TAGGED) + state->ports[i].pvid = state->vlans[vno].vid; + + if (state->vlans[vno].port_based) { + state->ports[i].mask |= state->vlans[vno].mask; + state->ports[i].fdb = vno; + } + else + state->ports[i].qmode = MV_8021Q_MODE_SECURE; + } +} + +static int mvsw61xx_update_state(struct switch_dev *dev) +{ + struct mvsw61xx_state *state = get_state(dev); + int i; + u16 reg; + + if (!state->registered) + return -EINVAL; + + /* + * Set 802.1q-only mode if vlan_enabled is true. + * + * Without this, even if 802.1q is enabled for + * a port/VLAN, it still depends on the port-based + * VLAN mask being set. + * + * With this setting, port-based VLANs are still + * functional, provided the VID is not in the VTU. + */ + reg = sr16(dev, MV_GLOBAL2REG(SDET_POLARITY)); + + if (state->vlan_enabled) + reg |= MV_8021Q_VLAN_ONLY; + else + reg &= ~MV_8021Q_VLAN_ONLY; + + sw16(dev, MV_GLOBAL2REG(SDET_POLARITY), reg); + + /* + * Set port-based VLAN masks on each port + * based only on VLAN definitions known to + * the driver (i.e. in state). + * + * This means any pre-existing port mapping is + * wiped out once our driver is initialized. + */ + for (i = 0; i < dev->ports; i++) { + state->ports[i].mask = 0; + state->ports[i].qmode = MV_8021Q_MODE_DISABLE; + } + + for (i = 0; i < dev->vlans; i++) + mvsw61xx_vlan_port_config(dev, i); + + for (i = 0; i < dev->ports; i++) { + reg = sr16(dev, MV_PORTREG(VLANID, i)) & ~MV_PVID_MASK; + reg |= state->ports[i].pvid; + sw16(dev, MV_PORTREG(VLANID, i), reg); + + state->ports[i].mask &= ~(1 << i); + + /* set default forwarding DB number and port mask */ + reg = sr16(dev, MV_PORTREG(CONTROL1, i)) & ~MV_FDB_HI_MASK; + reg |= (state->ports[i].fdb >> MV_FDB_HI_SHIFT) & + MV_FDB_HI_MASK; + sw16(dev, MV_PORTREG(CONTROL1, i), reg); + + reg = ((state->ports[i].fdb & 0xf) << MV_FDB_LO_SHIFT) | + state->ports[i].mask; + sw16(dev, MV_PORTREG(VLANMAP, i), reg); + + reg = sr16(dev, MV_PORTREG(CONTROL2, i)) & + ~MV_8021Q_MODE_MASK; + reg |= state->ports[i].qmode << MV_8021Q_MODE_SHIFT; + sw16(dev, MV_PORTREG(CONTROL2, i), reg); + } + + mvsw61xx_vtu_program(dev); + + return 0; +} + +static int mvsw61xx_apply(struct switch_dev *dev) +{ + return mvsw61xx_update_state(dev); +} + +static int mvsw61xx_reset(struct switch_dev *dev) +{ + struct mvsw61xx_state *state = get_state(dev); + int i; + u16 reg; + + /* Disable all ports before reset */ + for (i = 0; i < dev->ports; i++) { + reg = sr16(dev, MV_PORTREG(CONTROL, i)) & + ~MV_PORTCTRL_FORWARDING; + sw16(dev, MV_PORTREG(CONTROL, i), reg); + } + + reg = sr16(dev, MV_GLOBALREG(CONTROL)) | MV_CONTROL_RESET; + + sw16(dev, MV_GLOBALREG(CONTROL), reg); + if (mvsw61xx_wait_mask_s(dev, MV_GLOBALREG(CONTROL), + MV_CONTROL_RESET, 0) < 0) + return -ETIMEDOUT; + + for (i = 0; i < dev->ports; i++) { + state->ports[i].fdb = 0; + state->ports[i].qmode = 0; + state->ports[i].mask = 0; + state->ports[i].pvid = 0; + + /* Force flow control off */ + reg = sr16(dev, MV_PORTREG(PHYCTL, i)) & ~MV_PHYCTL_FC_MASK; + reg |= MV_PHYCTL_FC_DISABLE; + sw16(dev, MV_PORTREG(PHYCTL, i), reg); + + /* Set port association vector */ + sw16(dev, MV_PORTREG(ASSOC, i), (1 << i)); + } + + for (i = 0; i < dev->vlans; i++) { + state->vlans[i].port_based = false; + state->vlans[i].mask = 0; + state->vlans[i].vid = 0; + state->vlans[i].port_mode = 0; + state->vlans[i].port_sstate = 0; + } + + state->vlan_enabled = 0; + + mvsw61xx_update_state(dev); + + /* Re-enable ports */ + for (i = 0; i < dev->ports; i++) { + reg = sr16(dev, MV_PORTREG(CONTROL, i)) | + MV_PORTCTRL_FORWARDING; + sw16(dev, MV_PORTREG(CONTROL, i), reg); + } + + return 0; +} + +enum { + MVSW61XX_ENABLE_VLAN, +}; + +enum { + MVSW61XX_VLAN_PORT_BASED, + MVSW61XX_VLAN_ID, +}; + +enum { + MVSW61XX_PORT_MASK, + MVSW61XX_PORT_QMODE, +}; + +static const struct switch_attr mvsw61xx_global[] = { + [MVSW61XX_ENABLE_VLAN] = { + .id = MVSW61XX_ENABLE_VLAN, + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable 802.1q VLAN support", + .get = mvsw61xx_get_enable_vlan, + .set = mvsw61xx_set_enable_vlan, + }, +}; + +static const struct switch_attr mvsw61xx_vlan[] = { + [MVSW61XX_VLAN_PORT_BASED] = { + .id = MVSW61XX_VLAN_PORT_BASED, + .type = SWITCH_TYPE_INT, + .name = "port_based", + .description = "Use port-based (non-802.1q) VLAN only", + .get = mvsw61xx_get_vlan_port_based, + .set = mvsw61xx_set_vlan_port_based, + }, + [MVSW61XX_VLAN_ID] = { + .id = MVSW61XX_VLAN_ID, + .type = SWITCH_TYPE_INT, + .name = "vid", + .description = "Get/set VLAN ID", + .get = mvsw61xx_get_vid, + .set = mvsw61xx_set_vid, + }, +}; + +static const struct switch_attr mvsw61xx_port[] = { + [MVSW61XX_PORT_MASK] = { + .id = MVSW61XX_PORT_MASK, + .type = SWITCH_TYPE_STRING, + .description = "Port-based VLAN mask", + .name = "mask", + .get = mvsw61xx_get_port_mask, + .set = NULL, + }, + [MVSW61XX_PORT_QMODE] = { + .id = MVSW61XX_PORT_QMODE, + .type = SWITCH_TYPE_INT, + .description = "802.1q mode: 0=off/1=fallback/2=check/3=secure", + .name = "qmode", + .get = mvsw61xx_get_port_qmode, + .set = mvsw61xx_set_port_qmode, + }, +}; + +static const struct switch_dev_ops mvsw61xx_ops = { + .attr_global = { + .attr = mvsw61xx_global, + .n_attr = ARRAY_SIZE(mvsw61xx_global), + }, + .attr_vlan = { + .attr = mvsw61xx_vlan, + .n_attr = ARRAY_SIZE(mvsw61xx_vlan), + }, + .attr_port = { + .attr = mvsw61xx_port, + .n_attr = ARRAY_SIZE(mvsw61xx_port), + }, + .get_port_link = mvsw61xx_get_port_link, + .get_port_pvid = mvsw61xx_get_port_pvid, + .set_port_pvid = mvsw61xx_set_port_pvid, + .get_vlan_ports = mvsw61xx_get_vlan_ports, + .set_vlan_ports = mvsw61xx_set_vlan_ports, + .apply_config = mvsw61xx_apply, + .reset_switch = mvsw61xx_reset, +}; + +/* end swconfig stuff */ + +static int mvsw61xx_probe(struct platform_device *pdev) +{ + struct mvsw61xx_state *state; + struct device_node *np = pdev->dev.of_node; + struct device_node *mdio; + char *model_str; + u32 val; + int err; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return -ENOMEM; + + mdio = of_parse_phandle(np, "mii-bus", 0); + if (!mdio) { + dev_err(&pdev->dev, "Couldn't get MII bus handle\n"); + err = -ENODEV; + goto out_err; + } + + state->bus = of_mdio_find_bus(mdio); + if (!state->bus) { + dev_err(&pdev->dev, "Couldn't find MII bus from handle\n"); + err = -ENODEV; + goto out_err; + } + + state->is_indirect = of_property_read_bool(np, "is-indirect"); + + if (state->is_indirect) { + if (of_property_read_u32(np, "reg", &val)) { + dev_err(&pdev->dev, "Switch address not specified\n"); + err = -ENODEV; + goto out_err; + } + + state->base_addr = val; + } else { + state->base_addr = MV_BASE; + } + + state->model = r16(state->bus, state->is_indirect, state->base_addr, + MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK; + + switch(state->model) { + case MV_IDENT_VALUE_6171: + model_str = MV_IDENT_STR_6171; + break; + case MV_IDENT_VALUE_6172: + model_str = MV_IDENT_STR_6172; + break; + case MV_IDENT_VALUE_6176: + model_str = MV_IDENT_STR_6176; + break; + default: + dev_err(&pdev->dev, "No compatible switch found at 0x%02x\n", + state->base_addr); + err = -ENODEV; + goto out_err; + } + + platform_set_drvdata(pdev, state); + dev_info(&pdev->dev, "Found %s at %s:%02x\n", model_str, + state->bus->id, state->base_addr); + + dev_info(&pdev->dev, "Using %sdirect addressing\n", + (state->is_indirect ? "in" : "")); + + if (of_property_read_u32(np, "cpu-port-0", &val)) { + dev_err(&pdev->dev, "CPU port not set\n"); + err = -ENODEV; + goto out_err; + } + + state->cpu_port0 = val; + + if (!of_property_read_u32(np, "cpu-port-1", &val)) + state->cpu_port1 = val; + else + state->cpu_port1 = -1; + + state->dev.vlans = MV_VLANS; + state->dev.cpu_port = state->cpu_port0; + state->dev.ports = MV_PORTS; + state->dev.name = model_str; + state->dev.ops = &mvsw61xx_ops; + state->dev.alias = dev_name(&pdev->dev); + + err = register_switch(&state->dev, NULL); + if (err < 0) + goto out_err; + + state->registered = true; + + return 0; +out_err: + kfree(state); + return err; +} + +static int +mvsw61xx_remove(struct platform_device *pdev) +{ + struct mvsw61xx_state *state = platform_get_drvdata(pdev); + + if (state->registered) + unregister_switch(&state->dev); + + kfree(state); + + return 0; +} + +static const struct of_device_id mvsw61xx_match[] = { + { .compatible = "marvell,88e6171" }, + { .compatible = "marvell,88e6172" }, + { .compatible = "marvell,88e6176" }, + { } +}; +MODULE_DEVICE_TABLE(of, mvsw61xx_match); + +static struct platform_driver mvsw61xx_driver = { + .probe = mvsw61xx_probe, + .remove = mvsw61xx_remove, + .driver = { + .name = "mvsw61xx", + .of_match_table = of_match_ptr(mvsw61xx_match), + .owner = THIS_MODULE, + }, +}; + +static int __init mvsw61xx_module_init(void) +{ + return platform_driver_register(&mvsw61xx_driver); +} +late_initcall(mvsw61xx_module_init); + +static void __exit mvsw61xx_module_exit(void) +{ + platform_driver_unregister(&mvsw61xx_driver); +} +module_exit(mvsw61xx_module_exit); |