diff options
Diffstat (limited to 'target/linux/ar71xx')
7 files changed, 902 insertions, 8 deletions
diff --git a/target/linux/ar71xx/base-files/etc/defconfig/tl-wr741nd/network b/target/linux/ar71xx/base-files/etc/defconfig/tl-wr741nd/network index 2108d3ae8e..de201bf5ec 100644 --- a/target/linux/ar71xx/base-files/etc/defconfig/tl-wr741nd/network +++ b/target/linux/ar71xx/base-files/etc/defconfig/tl-wr741nd/network @@ -4,12 +4,8 @@ config interface loopback option ipaddr 127.0.0.1 option netmask 255.0.0.0 -config interface eth - option ifname eth0 - option proto none - config interface lan - option ifname 'lan1 lan2 lan3 lan4' + option ifname eth0 option type bridge option proto static option ipaddr 192.168.1.1 @@ -18,3 +14,11 @@ config interface lan config interface wan option ifname eth1 option proto dhcp + +config switch eth0 + option enable_vlan 1 + +config switch_vlan + option device eth0 + option vlan 1 + option ports "0 1 2 3 4" diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c index 93332228df..ed217f9e23 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c @@ -108,7 +108,23 @@ static void __init tl_wr741nd_setup(void) ARRAY_SIZE(tl_wr741nd_gpio_buttons), tl_wr741nd_gpio_buttons); - ap91_eth_init(mac, NULL); + ar71xx_eth1_data.has_ar7240_switch = 1; + ar71xx_set_mac_base(mac); + + /* WAN port */ + ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII; + ar71xx_eth0_data.speed = SPEED_100; + ar71xx_eth0_data.duplex = DUPLEX_FULL; + + /* LAN ports */ + ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII; + ar71xx_eth1_data.speed = SPEED_1000; + ar71xx_eth1_data.duplex = DUPLEX_FULL; + + ar71xx_add_device_mdio(0x0); + ar71xx_add_device_eth(1); + ar71xx_add_device_eth(0); + ap91_pci_init(ee, mac); } MIPS_MACHINE(AR71XX_MACH_TL_WR741ND, "TL-WR741ND", "TP-LINK TL-WR741ND", diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h index 145e79fcea..cf198d2bfa 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h @@ -31,6 +31,7 @@ struct ag71xx_platform_data { u8 is_ar91xx:1; u8 is_ar724x:1; u8 has_ar8216:1; + u8 has_ar7240_switch:1; void (* ddr_flush)(void); void (* set_pll)(int speed); diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile b/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile index 3485ab385d..b3ec4084c8 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile @@ -6,6 +6,7 @@ ag71xx-y += ag71xx_main.o ag71xx-y += ag71xx_ethtool.o ag71xx-y += ag71xx_phy.o ag71xx-y += ag71xx_mdio.o +ag71xx-y += ag71xx_ar7240.o ag71xx-$(CONFIG_AG71XX_DEBUG_FS) += ag71xx_debugfs.o ag71xx-$(CONFIG_AG71XX_AR8216_SUPPORT) += ag71xx_ar8216.o diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h index af41972481..be14e7e08b 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h @@ -51,7 +51,7 @@ #define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL) #define AG71XX_TX_FIFO_LEN 2048 -#define AG71XX_TX_MTU_LEN 1536 +#define AG71XX_TX_MTU_LEN 1540 #define AG71XX_RX_PKT_RESERVE 64 #define AG71XX_RX_PKT_SIZE \ (AG71XX_RX_PKT_RESERVE + ETH_HLEN + ETH_FRAME_LEN + ETH_FCS_LEN) @@ -158,6 +158,7 @@ struct ag71xx { struct mii_bus *mii_bus; struct phy_device *phy_dev; + void *phy_priv; unsigned int link; unsigned int speed; @@ -497,4 +498,9 @@ static inline void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx) {} #endif /* CONFIG_AG71XX_DEBUG_FS */ +void ag71xx_ar7240_start(struct ag71xx *ag); +void ag71xx_ar7240_stop(struct ag71xx *ag); +int ag71xx_ar7240_init(struct ag71xx *ag); +void ag71xx_ar7240_cleanup(struct ag71xx *ag); + #endif /* _AG71XX_H */ diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c new file mode 100644 index 0000000000..e299e68af2 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c @@ -0,0 +1,851 @@ +/* + * Driver for the built-in ethernet switch of the Atheros AR7240 SoC + * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (c) 2010 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 version 2 as published + * by the Free Software Foundation. + * + */ + +#include <linux/etherdevice.h> +#include <linux/list.h> +#include <linux/netdevice.h> +#include <linux/phy.h> +#include <linux/mii.h> +#include <linux/bitops.h> +#include <linux/switch.h> +#include "ag71xx.h" + +#define BITM(_count) (BIT(_count) - 1) +#define BITS(_shift, _count) (BITM(_count) << _shift) + +#define AR7240_REG_MASK_CTRL 0x00 +#define AR7240_MASK_CTRL_REVISION_M BITM(8) +#define AR7240_MASK_CTRL_VERSION_M BITM(8) +#define AR7240_MASK_CTRL_VERSION_S 8 +#define AR7240_MASK_CTRL_SOFT_RESET BIT(31) + +#define AR7240_REG_MAC_ADDR0 0x20 +#define AR7240_REG_MAC_ADDR1 0x24 + +#define AR7240_REG_FLOOD_MASK 0x2c +#define AR7240_FLOOD_MASK_BROAD_TO_CPU BIT(26) + +#define AR7240_REG_GLOBAL_CTRL 0x30 +#define AR7240_GLOBAL_CTRL_MTU_M BITM(12) + +#define AR7240_REG_VTU 0x0040 +#define AR7240_VTU_OP BITM(3) +#define AR7240_VTU_OP_NOOP 0x0 +#define AR7240_VTU_OP_FLUSH 0x1 +#define AR7240_VTU_OP_LOAD 0x2 +#define AR7240_VTU_OP_PURGE 0x3 +#define AR7240_VTU_OP_REMOVE_PORT 0x4 +#define AR7240_VTU_ACTIVE BIT(3) +#define AR7240_VTU_FULL BIT(4) +#define AR7240_VTU_PORT BITS(8, 4) +#define AR7240_VTU_PORT_S 8 +#define AR7240_VTU_VID BITS(16, 12) +#define AR7240_VTU_VID_S 16 +#define AR7240_VTU_PRIO BITS(28, 3) +#define AR7240_VTU_PRIO_S 28 +#define AR7240_VTU_PRIO_EN BIT(31) + +#define AR7240_REG_VTU_DATA 0x0044 +#define AR7240_VTUDATA_MEMBER BITS(0, 10) +#define AR7240_VTUDATA_VALID BIT(11) + +#define AR7240_REG_AT_CTRL 0x5c +#define AR7240_AT_CTRL_ARP_EN BIT(20) + +#define AR7240_REG_TAG_PRIORITY 0x70 + +#define AR7240_REG_SERVICE_TAG 0x74 +#define AR7240_SERVICE_TAG_M BITM(16) + +#define AR7240_REG_CPU_PORT 0x78 +#define AR7240_MIRROR_PORT_S 4 +#define AR7240_CPU_PORT_EN BIT(8) + +#define AR7240_REG_MIB_FUNCTION0 0x80 +#define AR7240_MIB_TIMER_M BITM(16) +#define AR7240_MIB_AT_HALF_EN BIT(16) +#define AR7240_MIB_BUSY BIT(17) +#define AR7240_MIB_FUNC_S 24 +#define AR7240_MIB_FUNC_NO_OP 0x0 +#define AR7240_MIB_FUNC_FLUSH 0x1 +#define AR7240_MIB_FUNC_CAPTURE 0x3 + +#define AR7240_REG_MDIO_CTRL 0x98 +#define AR7240_MDIO_CTRL_DATA_M BITM(16) +#define AR7240_MDIO_CTRL_REG_ADDR_S 16 +#define AR7240_MDIO_CTRL_PHY_ADDR_S 21 +#define AR7240_MDIO_CTRL_CMD_WRITE 0 +#define AR7240_MDIO_CTRL_CMD_READ BIT(27) +#define AR7240_MDIO_CTRL_MASTER_EN BIT(30) +#define AR7240_MDIO_CTRL_BUSY BIT(31) + +#define AR7240_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100) + +#define AR7240_REG_PORT_STATUS(_port) (AR7240_REG_PORT_BASE((_port)) + 0x00) +#define AR7240_PORT_STATUS_SPEED_M BITM(2) +#define AR7240_PORT_STATUS_SPEED_10 0 +#define AR7240_PORT_STATUS_SPEED_100 1 +#define AR7240_PORT_STATUS_SPEED_1000 2 +#define AR7240_PORT_STATUS_TXMAC BIT(2) +#define AR7240_PORT_STATUS_RXMAC BIT(3) +#define AR7240_PORT_STATUS_TXFLOW BIT(4) +#define AR7240_PORT_STATUS_RXFLOW BIT(5) +#define AR7240_PORT_STATUS_DUPLEX BIT(6) +#define AR7240_PORT_STATUS_LINK_UP BIT(8) +#define AR7240_PORT_STATUS_LINK_AUTO BIT(9) +#define AR7240_PORT_STATUS_LINK_PAUSE BIT(10) + +#define AR7240_REG_PORT_CTRL(_port) (AR7240_REG_PORT_BASE((_port)) + 0x04) +#define AR7240_PORT_CTRL_STATE_M BITM(3) +#define AR7240_PORT_CTRL_STATE_DISABLED 0 +#define AR7240_PORT_CTRL_STATE_BLOCK 1 +#define AR7240_PORT_CTRL_STATE_LISTEN 2 +#define AR7240_PORT_CTRL_STATE_LEARN 3 +#define AR7240_PORT_CTRL_STATE_FORWARD 4 +#define AR7240_PORT_CTRL_LEARN_LOCK BIT(7) +#define AR7240_PORT_CTRL_VLAN_MODE_S 8 +#define AR7240_PORT_CTRL_VLAN_MODE_KEEP 0 +#define AR7240_PORT_CTRL_VLAN_MODE_STRIP 1 +#define AR7240_PORT_CTRL_VLAN_MODE_ADD 2 +#define AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG 3 +#define AR7240_PORT_CTRL_IGMP_SNOOP BIT(10) +#define AR7240_PORT_CTRL_HEADER BIT(11) +#define AR7240_PORT_CTRL_MAC_LOOP BIT(12) +#define AR7240_PORT_CTRL_SINGLE_VLAN BIT(13) +#define AR7240_PORT_CTRL_LEARN BIT(14) +#define AR7240_PORT_CTRL_DOUBLE_TAG BIT(15) +#define AR7240_PORT_CTRL_MIRROR_TX BIT(16) +#define AR7240_PORT_CTRL_MIRROR_RX BIT(17) + +#define AR7240_REG_PORT_VLAN(_port) (AR7240_REG_PORT_BASE((_port)) + 0x08) + +#define AR7240_PORT_VLAN_DEFAULT_ID_S 0 +#define AR7240_PORT_VLAN_DEST_PORTS_S 16 +#define AR7240_PORT_VLAN_MODE_S 30 +#define AR7240_PORT_VLAN_MODE_PORT_ONLY 0 +#define AR7240_PORT_VLAN_MODE_PORT_FALLBACK 1 +#define AR7240_PORT_VLAN_MODE_VLAN_ONLY 2 +#define AR7240_PORT_VLAN_MODE_SECURE 3 + + +#define AR7240_REG_STATS_BASE(_port) (0x20000 + (_port) * 0x100) + +#define AR7240_STATS_RXBROAD 0x00 +#define AR7240_STATS_RXPAUSE 0x04 +#define AR7240_STATS_RXMULTI 0x08 +#define AR7240_STATS_RXFCSERR 0x0c +#define AR7240_STATS_RXALIGNERR 0x10 +#define AR7240_STATS_RXRUNT 0x14 +#define AR7240_STATS_RXFRAGMENT 0x18 +#define AR7240_STATS_RX64BYTE 0x1c +#define AR7240_STATS_RX128BYTE 0x20 +#define AR7240_STATS_RX256BYTE 0x24 +#define AR7240_STATS_RX512BYTE 0x28 +#define AR7240_STATS_RX1024BYTE 0x2c +#define AR7240_STATS_RX1518BYTE 0x30 +#define AR7240_STATS_RXMAXBYTE 0x34 +#define AR7240_STATS_RXTOOLONG 0x38 +#define AR7240_STATS_RXGOODBYTE 0x3c +#define AR7240_STATS_RXBADBYTE 0x44 +#define AR7240_STATS_RXOVERFLOW 0x4c +#define AR7240_STATS_FILTERED 0x50 +#define AR7240_STATS_TXBROAD 0x54 +#define AR7240_STATS_TXPAUSE 0x58 +#define AR7240_STATS_TXMULTI 0x5c +#define AR7240_STATS_TXUNDERRUN 0x60 +#define AR7240_STATS_TX64BYTE 0x64 +#define AR7240_STATS_TX128BYTE 0x68 +#define AR7240_STATS_TX256BYTE 0x6c +#define AR7240_STATS_TX512BYTE 0x70 +#define AR7240_STATS_TX1024BYTE 0x74 +#define AR7240_STATS_TX1518BYTE 0x78 +#define AR7240_STATS_TXMAXBYTE 0x7c +#define AR7240_STATS_TXOVERSIZE 0x80 +#define AR7240_STATS_TXBYTE 0x84 +#define AR7240_STATS_TXCOLLISION 0x8c +#define AR7240_STATS_TXABORTCOL 0x90 +#define AR7240_STATS_TXMULTICOL 0x94 +#define AR7240_STATS_TXSINGLECOL 0x98 +#define AR7240_STATS_TXEXCDEFER 0x9c +#define AR7240_STATS_TXDEFER 0xa0 +#define AR7240_STATS_TXLATECOL 0xa4 + +#define AR7240_PORT_CPU 0 +#define AR7240_NUM_PORTS 6 +#define AR7240_NUM_PHYS 5 + +#define AR7240_PHY_ID1 0x004d +#define AR7240_PHY_ID2 0xd041 + +#define AR7240_PORT_MASK(_port) BIT((_port)) +#define AR7240_PORT_MASK_ALL BITM(AR7240_NUM_PORTS) +#define AR7240_PORT_MASK_BUT(_port) (AR7240_PORT_MASK_ALL & ~BIT((_port))) + +#define AR7240_MAX_VLANS 16 + +#define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev) + +struct ar7240sw { + struct mii_bus *mii_bus; + struct mutex reg_mutex; + struct switch_dev swdev; + bool vlan; + u16 vlan_id[AR7240_MAX_VLANS]; + u8 vlan_table[AR7240_MAX_VLANS]; + u8 vlan_tagged; + u16 pvid[AR7240_NUM_PORTS]; +}; + +struct ar7240sw_hw_stat { + char string[ETH_GSTRING_LEN]; + int sizeof_stat; + int reg; +}; + + +static inline void ar7240sw_init(struct ar7240sw *as, struct mii_bus *mii) +{ + as->mii_bus = mii; + mutex_init(&as->reg_mutex); +} + +static inline u16 mk_phy_addr(u32 reg) +{ + return (0x17 & ((reg >> 4) | 0x10)); +} + +static inline u16 mk_phy_reg(u32 reg) +{ + return ((reg << 1) & 0x1e); +} + +static inline u16 mk_high_addr(u32 reg) +{ + return ((reg >> 7) & 0x1ff); +} + +static u32 __ar7240sw_reg_read(struct ar7240sw *as, u32 reg) +{ + struct mii_bus *mii = as->mii_bus; + u16 phy_addr; + u16 phy_reg; + u32 hi, lo; + + reg = (reg & 0xfffffffc) >> 2; + + mdiobus_write(mii, 0x1f, 0x10, mk_high_addr(reg)); + + phy_addr = mk_phy_addr(reg); + phy_reg = mk_phy_reg(reg); + + lo = (u32) mdiobus_read(mii, phy_addr, phy_reg); + hi = (u32) mdiobus_read(mii, phy_addr, phy_reg + 1); + + return ((hi << 16) | lo); +} + +static void __ar7240sw_reg_write(struct ar7240sw *as, u32 reg, u32 val) +{ + struct mii_bus *mii = as->mii_bus; + u16 phy_addr; + u16 phy_reg; + + reg = (reg & 0xfffffffc) >> 2; + + mdiobus_write(mii, 0x1f, 0x10, mk_high_addr(reg)); + + phy_addr = mk_phy_addr(reg); + phy_reg = mk_phy_reg(reg); + + mdiobus_write(mii, phy_addr, phy_reg + 1, (val >> 16)); + mdiobus_write(mii, phy_addr, phy_reg, (val & 0xffff)); +} + +static u32 ar7240sw_reg_read(struct ar7240sw *as, u32 reg_addr) +{ + u32 ret; + + mutex_lock(&as->reg_mutex); + ret = __ar7240sw_reg_read(as, reg_addr); + mutex_unlock(&as->reg_mutex); + + return ret; +} + +static void ar7240sw_reg_write(struct ar7240sw *as, u32 reg_addr, u32 reg_val) +{ + mutex_lock(&as->reg_mutex); + __ar7240sw_reg_write(as, reg_addr, reg_val); + mutex_unlock(&as->reg_mutex); +} + +static u32 ar7240sw_reg_rmw(struct ar7240sw *as, u32 reg, u32 mask, u32 val) +{ + u32 t; + + mutex_lock(&as->reg_mutex); + t = __ar7240sw_reg_read(as, reg); + t &= ~mask; + t |= val; + __ar7240sw_reg_write(as, reg, t); + mutex_unlock(&as->reg_mutex); + + return t; +} + +static void ar7240sw_reg_set(struct ar7240sw *as, u32 reg, u32 val) +{ + u32 t; + + mutex_lock(&as->reg_mutex); + t = __ar7240sw_reg_read(as, reg); + t |= val; + __ar7240sw_reg_write(as, reg, t); + mutex_unlock(&as->reg_mutex); +} + +static int ar7240sw_reg_wait(struct ar7240sw *as, u32 reg, u32 mask, u32 val, + unsigned timeout) +{ + int i; + + for (i = 0; i < timeout; i++) { + u32 t; + + t = ar7240sw_reg_read(as, reg); + if ((t & mask) == val) + return 0; + + msleep(1); + } + + return -ETIMEDOUT; +} + +static u16 ar7240sw_phy_read(struct ar7240sw *as, unsigned phy_addr, + unsigned reg_addr) +{ + u32 t; + int err; + + if (phy_addr >= AR7240_NUM_PHYS) + return 0xffff; + + t = (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) | + (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) | + AR7240_MDIO_CTRL_MASTER_EN | + AR7240_MDIO_CTRL_BUSY | + AR7240_MDIO_CTRL_CMD_READ; + + ar7240sw_reg_write(as, AR7240_REG_MDIO_CTRL, t); + err = ar7240sw_reg_wait(as, AR7240_REG_MDIO_CTRL, + AR7240_MDIO_CTRL_BUSY, 0, 5); + if (err) + return 0xffff; + + t = ar7240sw_reg_read(as, AR7240_REG_MDIO_CTRL); + return (t & AR7240_MDIO_CTRL_DATA_M); +} + +static int ar7240sw_phy_write(struct ar7240sw *as, unsigned phy_addr, + unsigned reg_addr, u16 reg_val) +{ + u32 t; + int ret; + + if (phy_addr >= AR7240_NUM_PHYS) + return -EINVAL; + + t = (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) | + (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) | + AR7240_MDIO_CTRL_MASTER_EN | + AR7240_MDIO_CTRL_BUSY | + AR7240_MDIO_CTRL_CMD_WRITE | + reg_val; + + ar7240sw_reg_write(as, AR7240_REG_MDIO_CTRL, t); + ret = ar7240sw_reg_wait(as, AR7240_REG_MDIO_CTRL, + AR7240_MDIO_CTRL_BUSY, 0, 5); + return ret; +} + +static int ar7240sw_capture_stats(struct ar7240sw *as) +{ + int ret; + + /* Capture the hardware statistics for all ports */ + ar7240sw_reg_write(as, AR7240_REG_MIB_FUNCTION0, + (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S)); + + /* Wait for the capturing to complete. */ + ret = ar7240sw_reg_wait(as, AR7240_REG_MIB_FUNCTION0, + AR7240_MIB_BUSY, 0, 10); + return ret; +} + +static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port) +{ + ar7240sw_reg_write(as, AR7240_REG_PORT_CTRL(port), + AR7240_PORT_CTRL_STATE_DISABLED); +} + +static int ar7240sw_reset(struct ar7240sw *as) +{ + int ret; + int i; + + /* Set all ports to disabled state. */ + for (i = 0; i < AR7240_NUM_PORTS; i++) + ar7240sw_disable_port(as, i); + + /* Wait for transmit queues to drain. */ + msleep(2); + + /* Reset the switch. */ + ar7240sw_reg_write(as, AR7240_REG_MASK_CTRL, + AR7240_MASK_CTRL_SOFT_RESET); + + ret = ar7240sw_reg_wait(as, AR7240_REG_MASK_CTRL, + AR7240_MASK_CTRL_SOFT_RESET, 0, 1000); + return ret; +} + +static void ar7240sw_setup(struct ar7240sw *as) +{ + /* Enable CPU port, and disable mirror port */ + ar7240sw_reg_write(as, AR7240_REG_CPU_PORT, + AR7240_CPU_PORT_EN | + (15 << AR7240_MIRROR_PORT_S)); + + /* Setup TAG priority mapping */ + ar7240sw_reg_write(as, AR7240_REG_TAG_PRIORITY, 0xfa50); + + /* Enable ARP frame acknowledge */ + ar7240sw_reg_set(as, AR7240_REG_AT_CTRL, AR7240_AT_CTRL_ARP_EN); + + /* Enable Broadcast frames transmitted to the CPU */ + ar7240sw_reg_set(as, AR7240_REG_FLOOD_MASK, + AR7240_FLOOD_MASK_BROAD_TO_CPU); + + /* setup MTU */ + ar7240sw_reg_rmw(as, AR7240_REG_GLOBAL_CTRL, AR7240_GLOBAL_CTRL_MTU_M, + 1536); + + /* setup Service TAG */ + ar7240sw_reg_rmw(as, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M, 0); +} + +static void ar7240sw_setup_port(struct ar7240sw *as, unsigned port, u8 portmask) +{ + u32 ctrl; + u32 dest_ports; + u32 vlan; + + ctrl = AR7240_PORT_CTRL_STATE_FORWARD | AR7240_PORT_CTRL_LEARN | + AR7240_PORT_CTRL_SINGLE_VLAN; + + if (port == AR7240_PORT_CPU) { + ar7240sw_reg_write(as, AR7240_REG_PORT_STATUS(port), + AR7240_PORT_STATUS_SPEED_1000 | + AR7240_PORT_STATUS_TXFLOW | + AR7240_PORT_STATUS_RXFLOW | + AR7240_PORT_STATUS_TXMAC | + AR7240_PORT_STATUS_RXMAC | + AR7240_PORT_STATUS_DUPLEX); + } else { + ar7240sw_reg_write(as, AR7240_REG_PORT_STATUS(port), + AR7240_PORT_STATUS_LINK_AUTO); + } + + /* Set the default VID for this port */ + if (as->vlan) { + vlan = as->vlan_id[as->pvid[port]]; + vlan |= AR7240_PORT_VLAN_MODE_SECURE << + AR7240_PORT_VLAN_MODE_S; + } else { + vlan = port; + vlan |= AR7240_PORT_VLAN_MODE_PORT_ONLY << + AR7240_PORT_VLAN_MODE_S; + } + + if (as->vlan && (as->vlan_tagged & BIT(port))) { + ctrl |= AR7240_PORT_CTRL_VLAN_MODE_ADD << + AR7240_PORT_CTRL_VLAN_MODE_S; + } else { + ctrl |= AR7240_PORT_CTRL_VLAN_MODE_STRIP << + AR7240_PORT_CTRL_VLAN_MODE_S; + } + + if (!portmask) { + if (port == AR7240_PORT_CPU) + portmask = AR7240_PORT_MASK_BUT(AR7240_PORT_CPU); + else + portmask = AR7240_PORT_MASK(AR7240_PORT_CPU); + } + + /* allow the port to talk to all other ports, but exclude its + * own ID to prevent frames from being reflected back to the + * port that they came from */ + dest_ports = AR7240_PORT_MASK_BUT(port); + + /* set default VID and and destination ports for this VLAN */ + vlan |= (portmask << AR7240_PORT_VLAN_DEST_PORTS_S); + + ar7240sw_reg_write(as, AR7240_REG_PORT_CTRL(port), ctrl); + ar7240sw_reg_write(as, AR7240_REG_PORT_VLAN(port), vlan); +} + +static int ar7240_set_addr(struct ar7240sw *as, u8 *addr) +{ + u32 t; + + t = (addr[4] << 8) | addr[5]; + ar7240sw_reg_write(as, AR7240_REG_MAC_ADDR0, t); + + t = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3]; + ar7240sw_reg_write(as, AR7240_REG_MAC_ADDR1, t); + + return 0; +} + +static int +ar7240_set_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + as->vlan_id[val->port_vlan] = val->value.i; + return 0; +} + +static int +ar7240_get_vid(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + val->value.i = as->vlan_id[val->port_vlan]; + return 0; +} + +static int +ar7240_set_pvid(struct switch_dev *dev, int port, int vlan) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + + /* make sure no invalid PVIDs get set */ + + if (vlan >= dev->vlans) + return -EINVAL; + + as->pvid[port] = vlan; + return 0; +} + +static int +ar7240_get_pvid(struct switch_dev *dev, int port, int *vlan) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + *vlan = as->pvid[port]; + return 0; +} + +static int +ar7240_get_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + u8 ports = as->vlan_table[val->port_vlan]; + int i; + + val->len = 0; + for (i = 0; i < AR7240_NUM_PORTS; i++) { + struct switch_port *p; + + if (!(ports & (1 << i))) + continue; + + p = &val->value.ports[val->len++]; + p->id = i; + if (as->vlan_tagged & (1 << i)) + p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); + else + p->flags = 0; + } + return 0; +} + +static int +ar7240_set_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + u8 *vt = &as->vlan_table[val->port_vlan]; + int i, j; + + *vt = 0; + for (i = 0; i < val->len; i++) { + struct switch_port *p = &val->value.ports[i]; + + if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) + as->vlan_tagged |= (1 << p->id); + else { + as->vlan_tagged &= ~(1 << p->id); + as->pvid[p->id] = val->port_vlan; + + /* make sure that an untagged port does not + * appear in other vlans */ + for (j = 0; j < AR7240_MAX_VLANS; j++) { + if (j == val->port_vlan) + continue; + as->vlan_table[j] &= ~(1 << p->id); + } + } + + *vt |= 1 << p->id; + } + return 0; +} + +static int +ar7240_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + as->vlan = !!val->value.i; + return 0; +} + +static int +ar7240_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, + struct switch_val *val) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + val->value.i = as->vlan; + return 0; +} + + +static void +ar7240_vtu_op(struct ar7240sw *as, u32 op, u32 val) +{ + if (ar7240sw_reg_wait(as, AR7240_REG_VTU, AR7240_VTU_ACTIVE, 0, 5)) + return; + + if ((op & AR7240_VTU_OP) == AR7240_VTU_OP_LOAD) { + val &= AR7240_VTUDATA_MEMBER; + val |= AR7240_VTUDATA_VALID; + ar7240sw_reg_write(as, AR7240_REG_VTU_DATA, val); + } + op |= AR7240_VTU_ACTIVE; + ar7240sw_reg_write(as, AR7240_REG_VTU, op); +} + +static int +ar7240_hw_apply(struct switch_dev *dev) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + u8 portmask[AR7240_NUM_PORTS]; + int i, j; + + /* flush all vlan translation unit entries */ + ar7240_vtu_op(as, AR7240_VTU_OP_FLUSH, 0); + + memset(portmask, 0, sizeof(portmask)); + if (as->vlan) { + /* calculate the port destination masks and load vlans + * into the vlan translation unit */ + for (j = 0; j < AR7240_MAX_VLANS; j++) { + u8 vp = as->vlan_table[j]; + + if (!vp) + continue; + + for (i = 0; i < AR7240_NUM_PORTS; i++) { + u8 mask = (1 << i); + if (vp & mask) + portmask[i] |= vp & ~mask; + } + + ar7240_vtu_op(as, + AR7240_VTU_OP_LOAD | + (as->vlan_id[j] << AR7240_VTU_VID_S), + as->vlan_table[j]); + } + } else { + /* vlan disabled: + * isolate all ports, but connect them to the cpu port */ + for (i = 0; i < AR7240_NUM_PORTS; i++) { + if (i == AR7240_PORT_CPU) + continue; + + portmask[i] = 1 << AR7240_PORT_CPU; + portmask[AR7240_PORT_CPU] |= (1 << i); + } + } + + /* update the port destination mask registers and tag settings */ + for (i = 0; i < AR7240_NUM_PORTS; i++) + ar7240sw_setup_port(as, i, portmask[i]); + + return 0; +} + +static int +ar7240_reset_switch(struct switch_dev *dev) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + ar7240sw_reset(as); + return 0; +} + +static struct switch_attr ar7240_globals[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = ar7240_set_vlan, + .get = ar7240_get_vlan, + .max = 1 + }, +}; + +static struct switch_attr ar7240_port[] = { +}; + +static struct switch_attr ar7240_vlan[] = { + { + .type = SWITCH_TYPE_INT, + .name = "vid", + .description = "VLAN ID", + .set = ar7240_set_vid, + .get = ar7240_get_vid, + .max = 4094, + }, +}; + +static const struct switch_dev_ops ar7240_ops = { + .attr_global = { + .attr = ar7240_globals, + .n_attr = ARRAY_SIZE(ar7240_globals), + }, + .attr_port = { + .attr = ar7240_port, + .n_attr = ARRAY_SIZE(ar7240_port), + }, + .attr_vlan = { + .attr = ar7240_vlan, + .n_attr = ARRAY_SIZE(ar7240_vlan), + }, + .get_port_pvid = ar7240_get_pvid, + .set_port_pvid = ar7240_set_pvid, + .get_vlan_ports = ar7240_get_ports, + .set_vlan_ports = ar7240_set_ports, + .apply_config = ar7240_hw_apply, + .reset_switch = ar7240_reset_switch, +}; + +static struct ar7240sw *ar7240_probe(struct ag71xx *ag) +{ + struct mii_bus *mii = ag->mii_bus; + struct ar7240sw *as; + struct switch_dev *swdev; + u32 ctrl; + u16 phy_id1; + u16 phy_id2; + u8 ver; + int i; + + as = kzalloc(sizeof(*as), GFP_KERNEL); + if (!as) + return NULL; + + ar7240sw_init(as, mii); + + ctrl = ar7240sw_reg_read(as, AR7240_REG_MASK_CTRL); + + ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) & AR7240_MASK_CTRL_VERSION_M; + if (ver != 1) { + pr_err("%s: unsupported chip, ctrl=%08x\n", ag->dev->name, ctrl); + return NULL; + } + + phy_id1 = ar7240sw_phy_read(as, 0, MII_PHYSID1); + phy_id2 = ar7240sw_phy_read(as, 0, MII_PHYSID2); + if (phy_id1 != AR7240_PHY_ID1 || phy_id2 != AR7240_PHY_ID2) { + pr_err("%s: unknown phy id '%04x:%04x'\n", + ag->dev->name, phy_id1, phy_id2); + return NULL; + } + + swdev = &as->swdev; + swdev->name = "AR7240 built-in switch"; + swdev->ports = AR7240_NUM_PORTS; + swdev->cpu_port = AR7240_PORT_CPU; + swdev->vlans = AR7240_MAX_VLANS; + swdev->ops = &ar7240_ops; + + if (register_switch(&as->swdev, ag->dev) < 0) { + kfree(as); + return NULL; + } + + printk("%s: Found an AR7240 built-in switch\n", ag->dev->name); + + /* initialize defaults */ + for (i = 0; i < AR7240_MAX_VLANS; i++) + as->vlan_id[i] = i; + + as->vlan_table[0] = AR7240_PORT_MASK_ALL; + + return as; +} + +void ag71xx_ar7240_start(struct ag71xx *ag) +{ + struct ar7240sw *as = ag->phy_priv; + + ar7240sw_reset(as); + ar7240sw_setup(as); + + ag->speed = SPEED_1000; + ag->link = 1; + ag->duplex = 1; + + ar7240_set_addr(as, ag->dev->dev_addr); + ar7240_hw_apply(&as->swdev); +} + +void ag71xx_ar7240_stop(struct ag71xx *ag) +{ +} + +int __init ag71xx_ar7240_init(struct ag71xx *ag) +{ + struct ar7240sw *as; + + as = ar7240_probe(ag); + if (!as) + return -ENODEV; + + ag->phy_priv = as; + ar7240sw_reset(as); + + return 0; +} + +void __exit ag71xx_ar7240_cleanup(struct ag71xx *ag) +{ + struct ar7240sw *as = ag->phy_priv; + + if (!as) + return; + + unregister_switch(&as->swdev); + kfree(as); + ag->phy_priv = NULL; +} diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c index 9c76544aff..eada693e77 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c @@ -44,9 +44,13 @@ static void ag71xx_phy_link_adjust(struct net_device *dev) void ag71xx_phy_start(struct ag71xx *ag) { + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + if (ag->phy_dev) { phy_start(ag->phy_dev); } else { + if (pdata->has_ar7240_switch) + ag71xx_ar7240_start(ag); ag->link = 1; ag71xx_link_adjust(ag); } @@ -54,9 +58,13 @@ void ag71xx_phy_start(struct ag71xx *ag) void ag71xx_phy_stop(struct ag71xx *ag) { + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + if (ag->phy_dev) { phy_stop(ag->phy_dev); } else { + if (pdata->has_ar7240_switch) + ag71xx_ar7240_stop(ag); ag->link = 0; ag71xx_link_adjust(ag); } @@ -200,6 +208,9 @@ int ag71xx_phy_connect(struct ag71xx *ag) mutex_unlock(&ag->mii_bus->mdio_lock); } + if (pdata->has_ar7240_switch) + return ag71xx_ar7240_init(ag); + if (pdata->phy_mask) return ag71xx_phy_connect_multi(ag); @@ -208,6 +219,10 @@ int ag71xx_phy_connect(struct ag71xx *ag) void ag71xx_phy_disconnect(struct ag71xx *ag) { - if (ag->phy_dev) + struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag); + + if (pdata->has_ar7240_switch) + ag71xx_ar7240_cleanup(ag); + else if (ag->phy_dev) phy_disconnect(ag->phy_dev); } |