diff options
Diffstat (limited to 'target/linux/ramips/patches-3.14/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.14/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch | 5128 |
1 files changed, 0 insertions, 5128 deletions
diff --git a/target/linux/ramips/patches-3.14/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch b/target/linux/ramips/patches-3.14/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch deleted file mode 100644 index 6a7c0c2..0000000 --- a/target/linux/ramips/patches-3.14/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch +++ /dev/null @@ -1,5128 +0,0 @@ -From c55d6cf3e2c593bf7d228c6532ec9bd8da82e09d Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 22 Apr 2013 23:20:03 +0200 -Subject: [PATCH 35/57] NET: MIPS: add ralink SoC ethernet driver - -Add support for Ralink FE and ESW. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - .../include/asm/mach-ralink/rt305x_esw_platform.h | 27 + - arch/mips/ralink/rt305x.c | 1 + - drivers/net/ethernet/Kconfig | 1 + - drivers/net/ethernet/Makefile | 1 + - drivers/net/ethernet/ralink/Kconfig | 32 + - drivers/net/ethernet/ralink/Makefile | 18 + - drivers/net/ethernet/ralink/esw_rt3052.c | 1463 ++++++++++++++++++++ - drivers/net/ethernet/ralink/esw_rt3052.h | 32 + - drivers/net/ethernet/ralink/gsw_mt7620a.c | 566 ++++++++ - drivers/net/ethernet/ralink/gsw_mt7620a.h | 30 + - drivers/net/ethernet/ralink/mdio.c | 244 ++++ - drivers/net/ethernet/ralink/mdio.h | 29 + - drivers/net/ethernet/ralink/mdio_rt2880.c | 232 ++++ - drivers/net/ethernet/ralink/mdio_rt2880.h | 26 + - drivers/net/ethernet/ralink/mt7530.c | 579 ++++++++ - drivers/net/ethernet/ralink/mt7530.h | 20 + - drivers/net/ethernet/ralink/ralink_soc_eth.c | 844 +++++++++++ - drivers/net/ethernet/ralink/ralink_soc_eth.h | 384 +++++ - drivers/net/ethernet/ralink/soc_mt7620.c | 172 +++ - drivers/net/ethernet/ralink/soc_rt2880.c | 52 + - drivers/net/ethernet/ralink/soc_rt305x.c | 113 ++ - drivers/net/ethernet/ralink/soc_rt3883.c | 60 + - 22 files changed, 4926 insertions(+) - create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h - create mode 100644 drivers/net/ethernet/ralink/Kconfig - create mode 100644 drivers/net/ethernet/ralink/Makefile - create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.c - create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.h - create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.c - create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.h - create mode 100644 drivers/net/ethernet/ralink/mdio.c - create mode 100644 drivers/net/ethernet/ralink/mdio.h - create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.c - create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.h - create mode 100644 drivers/net/ethernet/ralink/mt7530.c - create mode 100644 drivers/net/ethernet/ralink/mt7530.h - create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.c - create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.h - create mode 100644 drivers/net/ethernet/ralink/soc_mt7620.c - create mode 100644 drivers/net/ethernet/ralink/soc_rt2880.c - create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c - create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c - -diff --git a/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h b/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h -new file mode 100644 -index 0000000..2098c5c ---- /dev/null -+++ b/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h -@@ -0,0 +1,27 @@ -+/* -+ * Ralink RT305x SoC platform device registration -+ * -+ * Copyright (C) 2010 Gabor Juhos <juhosg@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. -+ */ -+ -+#ifndef _RT305X_ESW_PLATFORM_H -+#define _RT305X_ESW_PLATFORM_H -+ -+enum { -+ RT305X_ESW_VLAN_CONFIG_NONE = 0, -+ RT305X_ESW_VLAN_CONFIG_LLLLW, -+ RT305X_ESW_VLAN_CONFIG_WLLLL, -+}; -+ -+struct rt305x_esw_platform_data -+{ -+ u8 vlan_config; -+ u32 reg_initval_fct2; -+ u32 reg_initval_fpa2; -+}; -+ -+#endif /* _RT305X_ESW_PLATFORM_H */ -diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c -index 356d6a0..ef99d78 100644 ---- a/arch/mips/ralink/rt305x.c -+++ b/arch/mips/ralink/rt305x.c -@@ -199,6 +199,7 @@ void __init ralink_clk_init(void) - } - - ralink_clk_add("cpu", cpu_rate); -+ ralink_clk_add("sys", sys_rate); - ralink_clk_add("10000b00.spi", sys_rate); - ralink_clk_add("10000100.timer", wdt_rate); - ralink_clk_add("10000120.watchdog", wdt_rate); -diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig -index 506b024..ef6a274 100644 ---- a/drivers/net/ethernet/Kconfig -+++ b/drivers/net/ethernet/Kconfig -@@ -134,6 +134,7 @@ config ETHOC - source "drivers/net/ethernet/packetengines/Kconfig" - source "drivers/net/ethernet/pasemi/Kconfig" - source "drivers/net/ethernet/qlogic/Kconfig" -+source "drivers/net/ethernet/ralink/Kconfig" - source "drivers/net/ethernet/realtek/Kconfig" - source "drivers/net/ethernet/renesas/Kconfig" - source "drivers/net/ethernet/rdc/Kconfig" -diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile -index c0b8789..7c3eb7b 100644 ---- a/drivers/net/ethernet/Makefile -+++ b/drivers/net/ethernet/Makefile -@@ -56,6 +56,7 @@ obj-$(CONFIG_ETHOC) += ethoc.o - obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/ - obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/ - obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/ -+obj-$(CONFIG_NET_RALINK) += ralink/ - obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/ - obj-$(CONFIG_SH_ETH) += renesas/ - obj-$(CONFIG_NET_VENDOR_RDC) += rdc/ -diff --git a/drivers/net/ethernet/ralink/Kconfig b/drivers/net/ethernet/ralink/Kconfig -new file mode 100644 -index 0000000..727ed78 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/Kconfig -@@ -0,0 +1,32 @@ -+config NET_RALINK -+ tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver" -+ depends on RALINK -+ help -+ This driver supports the ethernet mac inside the ralink wisocs -+ -+if NET_RALINK -+ -+config NET_RALINK_MDIO -+ def_bool NET_RALINK -+ depends on (SOC_RT288X || SOC_RT3883 || SOC_MT7620) -+ select PHYLIB -+ -+config NET_RALINK_MDIO_RT2880 -+ def_bool NET_RALINK -+ depends on (SOC_RT288X || SOC_RT3883) -+ select NET_RALINK_MDIO -+ -+config NET_RALINK_ESW_RT3052 -+ def_bool NET_RALINK -+ depends on SOC_RT305X -+ select PHYLIB -+ select SWCONFIG -+ -+config NET_RALINK_GSW_MT7620 -+ def_bool NET_RALINK -+ depends on SOC_MT7620 -+ select INET_LRO -+ select NET_RALINK_MDIO -+ select PHYLIB -+ select SWCONFIG -+endif -diff --git a/drivers/net/ethernet/ralink/Makefile b/drivers/net/ethernet/ralink/Makefile -new file mode 100644 -index 0000000..de64edf ---- /dev/null -+++ b/drivers/net/ethernet/ralink/Makefile -@@ -0,0 +1,18 @@ -+# -+# Makefile for the Ralink SoCs built-in ethernet macs -+# -+ -+ralink-eth-y += ralink_soc_eth.o -+ -+ralink-eth-$(CONFIG_NET_RALINK_MDIO) += mdio.o -+ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880) += mdio_rt2880.o -+ -+ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052) += esw_rt3052.o -+ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620) += gsw_mt7620a.o mt7530.o -+ -+ralink-eth-$(CONFIG_SOC_RT288X) += soc_rt2880.o -+ralink-eth-$(CONFIG_SOC_RT305X) += soc_rt305x.o -+ralink-eth-$(CONFIG_SOC_RT3883) += soc_rt3883.o -+ralink-eth-$(CONFIG_SOC_MT7620) += soc_mt7620.o -+ -+obj-$(CONFIG_NET_RALINK) += ralink-eth.o -diff --git a/drivers/net/ethernet/ralink/esw_rt3052.c b/drivers/net/ethernet/ralink/esw_rt3052.c -new file mode 100644 -index 0000000..b937062 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/esw_rt3052.c -@@ -0,0 +1,1463 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/skbuff.h> -+#include <linux/etherdevice.h> -+#include <linux/ethtool.h> -+#include <linux/platform_device.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/of_net.h> -+#include <linux/of_mdio.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+ -+#include <linux/ioport.h> -+#include <linux/switch.h> -+#include <linux/mii.h> -+ -+#include <ralink_regs.h> -+#include <asm/mach-ralink/rt305x.h> -+#include <asm/mach-ralink/rt305x_esw_platform.h> -+ -+/* -+ * HW limitations for this switch: -+ * - No large frame support (PKT_MAX_LEN at most 1536) -+ * - Can't have untagged vlan and tagged vlan on one port at the same time, -+ * though this might be possible using the undocumented PPE. -+ */ -+ -+#define RT305X_ESW_REG_ISR 0x00 -+#define RT305X_ESW_REG_IMR 0x04 -+#define RT305X_ESW_REG_FCT0 0x08 -+#define RT305X_ESW_REG_PFC1 0x14 -+#define RT305X_ESW_REG_ATS 0x24 -+#define RT305X_ESW_REG_ATS0 0x28 -+#define RT305X_ESW_REG_ATS1 0x2c -+#define RT305X_ESW_REG_ATS2 0x30 -+#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n)) -+#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n)) -+#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n)) -+#define RT305X_ESW_REG_POA 0x80 -+#define RT305X_ESW_REG_FPA 0x84 -+#define RT305X_ESW_REG_SOCPC 0x8c -+#define RT305X_ESW_REG_POC0 0x90 -+#define RT305X_ESW_REG_POC1 0x94 -+#define RT305X_ESW_REG_POC2 0x98 -+#define RT305X_ESW_REG_SGC 0x9c -+#define RT305X_ESW_REG_STRT 0xa0 -+#define RT305X_ESW_REG_PCR0 0xc0 -+#define RT305X_ESW_REG_PCR1 0xc4 -+#define RT305X_ESW_REG_FPA2 0xc8 -+#define RT305X_ESW_REG_FCT2 0xcc -+#define RT305X_ESW_REG_SGC2 0xe4 -+#define RT305X_ESW_REG_P0LED 0xa4 -+#define RT305X_ESW_REG_P1LED 0xa8 -+#define RT305X_ESW_REG_P2LED 0xac -+#define RT305X_ESW_REG_P3LED 0xb0 -+#define RT305X_ESW_REG_P4LED 0xb4 -+#define RT305X_ESW_REG_PXPC(_x) (0xe8 + (4 * _x)) -+#define RT305X_ESW_REG_P1PC 0xec -+#define RT305X_ESW_REG_P2PC 0xf0 -+#define RT305X_ESW_REG_P3PC 0xf4 -+#define RT305X_ESW_REG_P4PC 0xf8 -+#define RT305X_ESW_REG_P5PC 0xfc -+ -+#define RT305X_ESW_LED_LINK 0 -+#define RT305X_ESW_LED_100M 1 -+#define RT305X_ESW_LED_DUPLEX 2 -+#define RT305X_ESW_LED_ACTIVITY 3 -+#define RT305X_ESW_LED_COLLISION 4 -+#define RT305X_ESW_LED_LINKACT 5 -+#define RT305X_ESW_LED_DUPLCOLL 6 -+#define RT305X_ESW_LED_10MACT 7 -+#define RT305X_ESW_LED_100MACT 8 -+/* Additional led states not in datasheet: */ -+#define RT305X_ESW_LED_BLINK 10 -+#define RT305X_ESW_LED_ON 12 -+ -+#define RT305X_ESW_LINK_S 25 -+#define RT305X_ESW_DUPLEX_S 9 -+#define RT305X_ESW_SPD_S 0 -+ -+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16 -+#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13) -+#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8 -+ -+#define RT305X_ESW_PCR1_WT_DONE BIT(0) -+ -+#define RT305X_ESW_ATS_TIMEOUT (5 * HZ) -+#define RT305X_ESW_PHY_TIMEOUT (5 * HZ) -+ -+#define RT305X_ESW_PVIDC_PVID_M 0xfff -+#define RT305X_ESW_PVIDC_PVID_S 12 -+ -+#define RT305X_ESW_VLANI_VID_M 0xfff -+#define RT305X_ESW_VLANI_VID_S 12 -+ -+#define RT305X_ESW_VMSC_MSC_M 0xff -+#define RT305X_ESW_VMSC_MSC_S 8 -+ -+#define RT305X_ESW_SOCPC_DISUN2CPU_S 0 -+#define RT305X_ESW_SOCPC_DISMC2CPU_S 8 -+#define RT305X_ESW_SOCPC_DISBC2CPU_S 16 -+#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25) -+ -+#define RT305X_ESW_POC0_EN_BP_S 0 -+#define RT305X_ESW_POC0_EN_FC_S 8 -+#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16 -+#define RT305X_ESW_POC0_DIS_PORT_M 0x7f -+#define RT305X_ESW_POC0_DIS_PORT_S 23 -+ -+#define RT305X_ESW_POC2_UNTAG_EN_M 0xff -+#define RT305X_ESW_POC2_UNTAG_EN_S 0 -+#define RT305X_ESW_POC2_ENAGING_S 8 -+#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16 -+ -+#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f -+#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0 -+#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f -+#define RT305X_ESW_SGC2_LAN_PMAP_S 24 -+ -+#define RT305X_ESW_PFC1_EN_VLAN_M 0xff -+#define RT305X_ESW_PFC1_EN_VLAN_S 16 -+#define RT305X_ESW_PFC1_EN_TOS_S 24 -+ -+#define RT305X_ESW_VLAN_NONE 0xfff -+ -+#define RT305X_ESW_GSC_BC_STROM_MASK 0x3 -+#define RT305X_ESW_GSC_BC_STROM_SHIFT 4 -+ -+#define RT305X_ESW_GSC_LED_FREQ_MASK 0x3 -+#define RT305X_ESW_GSC_LED_FREQ_SHIFT 23 -+ -+#define RT305X_ESW_POA_LINK_MASK 0x1f -+#define RT305X_ESW_POA_LINK_SHIFT 25 -+ -+#define RT305X_ESW_PORT_ST_CHG BIT(26) -+#define RT305X_ESW_PORT0 0 -+#define RT305X_ESW_PORT1 1 -+#define RT305X_ESW_PORT2 2 -+#define RT305X_ESW_PORT3 3 -+#define RT305X_ESW_PORT4 4 -+#define RT305X_ESW_PORT5 5 -+#define RT305X_ESW_PORT6 6 -+ -+#define RT305X_ESW_PORTS_NONE 0 -+ -+#define RT305X_ESW_PMAP_LLLLLL 0x3f -+#define RT305X_ESW_PMAP_LLLLWL 0x2f -+#define RT305X_ESW_PMAP_WLLLLL 0x3e -+ -+#define RT305X_ESW_PORTS_INTERNAL \ -+ (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \ -+ BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \ -+ BIT(RT305X_ESW_PORT4)) -+ -+#define RT305X_ESW_PORTS_NOCPU \ -+ (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5)) -+ -+#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6) -+ -+#define RT305X_ESW_PORTS_ALL \ -+ (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU) -+ -+#define RT305X_ESW_NUM_VLANS 16 -+#define RT305X_ESW_NUM_VIDS 4096 -+#define RT305X_ESW_NUM_PORTS 7 -+#define RT305X_ESW_NUM_LANWAN 6 -+#define RT305X_ESW_NUM_LEDS 5 -+ -+#define RT5350_ESW_REG_PXTPC(_x) (0x150 + (4 * _x)) -+#define RT5350_EWS_REG_LED_POLARITY 0x168 -+#define RT5350_RESET_EPHY BIT(24) -+#define SYSC_REG_RESET_CTRL 0x34 -+ -+enum { -+ /* Global attributes. */ -+ RT305X_ESW_ATTR_ENABLE_VLAN, -+ RT305X_ESW_ATTR_ALT_VLAN_DISABLE, -+ RT305X_ESW_ATTR_BC_STATUS, -+ RT305X_ESW_ATTR_LED_FREQ, -+ /* Port attributes. */ -+ RT305X_ESW_ATTR_PORT_DISABLE, -+ RT305X_ESW_ATTR_PORT_DOUBLETAG, -+ RT305X_ESW_ATTR_PORT_UNTAG, -+ RT305X_ESW_ATTR_PORT_LED, -+ RT305X_ESW_ATTR_PORT_LAN, -+ RT305X_ESW_ATTR_PORT_RECV_BAD, -+ RT305X_ESW_ATTR_PORT_RECV_GOOD, -+ RT5350_ESW_ATTR_PORT_TR_BAD, -+ RT5350_ESW_ATTR_PORT_TR_GOOD, -+}; -+ -+struct esw_port { -+ bool disable; -+ bool doubletag; -+ bool untag; -+ u8 led; -+ u16 pvid; -+}; -+ -+struct esw_vlan { -+ u8 ports; -+ u16 vid; -+}; -+ -+struct rt305x_esw { -+ struct device *dev; -+ void __iomem *base; -+ int irq; -+ const struct rt305x_esw_platform_data *pdata; -+ /* Protects against concurrent register rmw operations. */ -+ spinlock_t reg_rw_lock; -+ -+ unsigned char port_map; -+ unsigned int reg_initval_fct2; -+ unsigned int reg_initval_fpa2; -+ unsigned int reg_led_polarity; -+ -+ -+ struct switch_dev swdev; -+ bool global_vlan_enable; -+ bool alt_vlan_disable; -+ int bc_storm_protect; -+ int led_frequency; -+ struct esw_vlan vlans[RT305X_ESW_NUM_VLANS]; -+ struct esw_port ports[RT305X_ESW_NUM_PORTS]; -+ -+}; -+ -+static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg) -+{ -+ __raw_writel(val, esw->base + reg); -+} -+ -+static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg) -+{ -+ return __raw_readl(esw->base + reg); -+} -+ -+static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask, -+ unsigned long val) -+{ -+ unsigned long t; -+ -+ t = __raw_readl(esw->base + reg) & ~mask; -+ __raw_writel(t | val, esw->base + reg); -+} -+ -+static void esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask, -+ unsigned long val) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&esw->reg_rw_lock, flags); -+ esw_rmw_raw(esw, reg, mask, val); -+ spin_unlock_irqrestore(&esw->reg_rw_lock, flags); -+} -+ -+static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register, -+ u32 write_data) -+{ -+ unsigned long t_start = jiffies; -+ int ret = 0; -+ -+ while (1) { -+ if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) & -+ RT305X_ESW_PCR1_WT_DONE)) -+ break; -+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) { -+ ret = 1; -+ goto out; -+ } -+ } -+ -+ write_data &= 0xffff; -+ esw_w32(esw, -+ (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) | -+ (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) | -+ (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD, -+ RT305X_ESW_REG_PCR0); -+ -+ t_start = jiffies; -+ while (1) { -+ if (esw_r32(esw, RT305X_ESW_REG_PCR1) & -+ RT305X_ESW_PCR1_WT_DONE) -+ break; -+ -+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) { -+ ret = 1; -+ break; -+ } -+ } -+out: -+ if (ret) -+ printk(KERN_ERR "ramips_eth: MDIO timeout\n"); -+ return ret; -+} -+ -+static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan) -+{ -+ unsigned s; -+ unsigned val; -+ -+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2); -+ val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2)); -+ val = (val >> s) & RT305X_ESW_VLANI_VID_M; -+ -+ return val; -+} -+ -+static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid) -+{ -+ unsigned s; -+ -+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2); -+ esw_rmw(esw, -+ RT305X_ESW_REG_VLANI(vlan / 2), -+ RT305X_ESW_VLANI_VID_M << s, -+ (vid & RT305X_ESW_VLANI_VID_M) << s); -+} -+ -+static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port) -+{ -+ unsigned s, val; -+ -+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2); -+ val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2)); -+ return (val >> s) & RT305X_ESW_PVIDC_PVID_M; -+} -+ -+static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid) -+{ -+ unsigned s; -+ -+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2); -+ esw_rmw(esw, -+ RT305X_ESW_REG_PVIDC(port / 2), -+ RT305X_ESW_PVIDC_PVID_M << s, -+ (pvid & RT305X_ESW_PVIDC_PVID_M) << s); -+} -+ -+static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan) -+{ -+ unsigned s, val; -+ -+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4); -+ val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4)); -+ val = (val >> s) & RT305X_ESW_VMSC_MSC_M; -+ -+ return val; -+} -+ -+static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc) -+{ -+ unsigned s; -+ -+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4); -+ esw_rmw(esw, -+ RT305X_ESW_REG_VMSC(vlan / 4), -+ RT305X_ESW_VMSC_MSC_M << s, -+ (msc & RT305X_ESW_VMSC_MSC_M) << s); -+} -+ -+static unsigned esw_get_port_disable(struct rt305x_esw *esw) -+{ -+ unsigned reg; -+ reg = esw_r32(esw, RT305X_ESW_REG_POC0); -+ return (reg >> RT305X_ESW_POC0_DIS_PORT_S) & -+ RT305X_ESW_POC0_DIS_PORT_M; -+} -+ -+static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask) -+{ -+ unsigned old_mask; -+ unsigned enable_mask; -+ unsigned changed; -+ int i; -+ -+ old_mask = esw_get_port_disable(esw); -+ changed = old_mask ^ disable_mask; -+ enable_mask = old_mask & disable_mask; -+ -+ /* enable before writing to MII */ -+ esw_rmw(esw, RT305X_ESW_REG_POC0, -+ (RT305X_ESW_POC0_DIS_PORT_M << -+ RT305X_ESW_POC0_DIS_PORT_S), -+ enable_mask << RT305X_ESW_POC0_DIS_PORT_S); -+ -+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) { -+ if (!(changed & (1 << i))) -+ continue; -+ if (disable_mask & (1 << i)) { -+ /* disable */ -+ rt305x_mii_write(esw, i, MII_BMCR, -+ BMCR_PDOWN); -+ } else { -+ /* enable */ -+ rt305x_mii_write(esw, i, MII_BMCR, -+ BMCR_FULLDPLX | -+ BMCR_ANENABLE | -+ BMCR_ANRESTART | -+ BMCR_SPEED100); -+ } -+ } -+ -+ /* disable after writing to MII */ -+ esw_rmw(esw, RT305X_ESW_REG_POC0, -+ (RT305X_ESW_POC0_DIS_PORT_M << -+ RT305X_ESW_POC0_DIS_PORT_S), -+ disable_mask << RT305X_ESW_POC0_DIS_PORT_S); -+} -+ -+static void esw_set_gsc(struct rt305x_esw *esw) -+{ -+ esw_rmw(esw, RT305X_ESW_REG_SGC, -+ RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT, -+ esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT); -+ esw_rmw(esw, RT305X_ESW_REG_SGC, -+ RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT, -+ esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT); -+} -+ -+static int esw_apply_config(struct switch_dev *dev); -+ -+static void esw_hw_init(struct rt305x_esw *esw) -+{ -+ int i; -+ u8 port_disable = 0; -+ u8 port_map = RT305X_ESW_PMAP_LLLLLL; -+ -+ /* vodoo from original driver */ -+ esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0); -+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2); -+ /* Port priority 1 for all ports, vlan enabled. */ -+ esw_w32(esw, 0x00005555 | -+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S), -+ RT305X_ESW_REG_PFC1); -+ -+ /* Enable Back Pressure, and Flow Control */ -+ esw_w32(esw, -+ ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) | -+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)), -+ RT305X_ESW_REG_POC0); -+ -+ /* Enable Aging, and VLAN TAG removal */ -+ esw_w32(esw, -+ ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) | -+ (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)), -+ RT305X_ESW_REG_POC2); -+ -+ if (esw->reg_initval_fct2) -+ esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2); -+ else -+ esw_w32(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2); -+ -+ /* -+ * 300s aging timer, max packet len 1536, broadcast storm prevention -+ * disabled, disable collision abort, mac xor48 hash, 10 packet back -+ * pressure jam, GMII disable was_transmit, back pressure disabled, -+ * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all -+ * ports. -+ */ -+ esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC); -+ -+ /* Setup SoC Port control register */ -+ esw_w32(esw, -+ (RT305X_ESW_SOCPC_CRC_PADDING | -+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) | -+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) | -+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)), -+ RT305X_ESW_REG_SOCPC); -+ -+ if (esw->reg_initval_fpa2) -+ esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2); -+ else -+ esw_w32(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2); -+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA); -+ -+ /* Force Link/Activity on ports */ -+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED); -+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED); -+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED); -+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED); -+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED); -+ -+ /* Copy disabled port configuration from bootloader setup */ -+ port_disable = esw_get_port_disable(esw); -+ for (i = 0; i < 6; i++) -+ esw->ports[i].disable = (port_disable & (1 << i)) != 0; -+ -+ if (soc_is_rt3352()) { -+ /* reset EPHY */ -+ u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(val, SYSC_REG_RESET_CTRL); -+ -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ for (i = 0; i < 5; i++) { -+ if (esw->ports[i].disable) { -+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN); -+ } else { -+ rt305x_mii_write(esw, i, MII_BMCR, -+ BMCR_FULLDPLX | -+ BMCR_ANENABLE | -+ BMCR_SPEED100); -+ } -+ /* TX10 waveform coefficient LSB=0 disable PHY */ -+ rt305x_mii_write(esw, i, 26, 0x1601); -+ /* TX100/TX10 AD/DA current bias */ -+ rt305x_mii_write(esw, i, 29, 0x7016); -+ /* TX100 slew rate control */ -+ rt305x_mii_write(esw, i, 30, 0x0038); -+ } -+ -+ /* select global register */ -+ rt305x_mii_write(esw, 0, 31, 0x0); -+ /* enlarge agcsel threshold 3 and threshold 2 */ -+ rt305x_mii_write(esw, 0, 1, 0x4a40); -+ /* enlarge agcsel threshold 5 and threshold 4 */ -+ rt305x_mii_write(esw, 0, 2, 0x6254); -+ /* enlarge agcsel threshold */ -+ rt305x_mii_write(esw, 0, 3, 0xa17f); -+ rt305x_mii_write(esw, 0,12, 0x7eaa); -+ /* longer TP_IDL tail length */ -+ rt305x_mii_write(esw, 0, 14, 0x65); -+ /* increased squelch pulse count threshold. */ -+ rt305x_mii_write(esw, 0, 16, 0x0684); -+ /* set TX10 signal amplitude threshold to minimum */ -+ rt305x_mii_write(esw, 0, 17, 0x0fe0); -+ /* set squelch amplitude to higher threshold */ -+ rt305x_mii_write(esw, 0, 18, 0x40ba); -+ /* tune TP_IDL tail and head waveform, enable power down slew rate control */ -+ rt305x_mii_write(esw, 0, 22, 0x253f); -+ /* set PLL/Receive bias current are calibrated */ -+ rt305x_mii_write(esw, 0, 27, 0x2fda); -+ /* change PLL/Receive bias current to internal(RT3350) */ -+ rt305x_mii_write(esw, 0, 28, 0xc410); -+ /* change PLL bias current to internal(RT3052_MP3) */ -+ rt305x_mii_write(esw, 0, 29, 0x598b); -+ /* select local register */ -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ } else if (soc_is_rt5350()) { -+ /* reset EPHY */ -+ u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(val, SYSC_REG_RESET_CTRL); -+ -+ /* set the led polarity */ -+ esw_w32(esw, esw->reg_led_polarity & 0x1F, RT5350_EWS_REG_LED_POLARITY); -+ -+ /* local registers */ -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ for (i = 0; i < 5; i++) { -+ if (esw->ports[i].disable) { -+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN); -+ } else { -+ rt305x_mii_write(esw, i, MII_BMCR, -+ BMCR_FULLDPLX | -+ BMCR_ANENABLE | -+ BMCR_SPEED100); -+ } -+ /* TX10 waveform coefficient LSB=0 disable PHY */ -+ rt305x_mii_write(esw, i, 26, 0x1601); -+ /* TX100/TX10 AD/DA current bias */ -+ rt305x_mii_write(esw, i, 29, 0x7015); -+ /* TX100 slew rate control */ -+ rt305x_mii_write(esw, i, 30, 0x0038); -+ } -+ -+ /* global registers */ -+ rt305x_mii_write(esw, 0, 31, 0x0); -+ /* enlarge agcsel threshold 3 and threshold 2 */ -+ rt305x_mii_write(esw, 0, 1, 0x4a40); -+ /* enlarge agcsel threshold 5 and threshold 4 */ -+ rt305x_mii_write(esw, 0, 2, 0x6254); -+ /* enlarge agcsel threshold 6 */ -+ rt305x_mii_write(esw, 0, 3, 0xa17f); -+ rt305x_mii_write(esw, 0, 12, 0x7eaa); -+ /* longer TP_IDL tail length */ -+ rt305x_mii_write(esw, 0, 14, 0x65); -+ /* increased squelch pulse count threshold. */ -+ rt305x_mii_write(esw, 0, 16, 0x0684); -+ /* set TX10 signal amplitude threshold to minimum */ -+ rt305x_mii_write(esw, 0, 17, 0x0fe0); -+ /* set squelch amplitude to higher threshold */ -+ rt305x_mii_write(esw, 0, 18, 0x40ba); -+ /* tune TP_IDL tail and head waveform, enable power down slew rate control */ -+ rt305x_mii_write(esw, 0, 22, 0x253f); -+ /* set PLL/Receive bias current are calibrated */ -+ rt305x_mii_write(esw, 0, 27, 0x2fda); -+ /* change PLL/Receive bias current to internal(RT3350) */ -+ rt305x_mii_write(esw, 0, 28, 0xc410); -+ /* change PLL bias current to internal(RT3052_MP3) */ -+ rt305x_mii_write(esw, 0, 29, 0x598b); -+ /* select local register */ -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ } else { -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ for (i = 0; i < 5; i++) { -+ if (esw->ports[i].disable) { -+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN); -+ } else { -+ rt305x_mii_write(esw, i, MII_BMCR, -+ BMCR_FULLDPLX | -+ BMCR_ANENABLE | -+ BMCR_SPEED100); -+ } -+ /* TX10 waveform coefficient */ -+ rt305x_mii_write(esw, i, 26, 0x1601); -+ /* TX100/TX10 AD/DA current bias */ -+ rt305x_mii_write(esw, i, 29, 0x7058); -+ /* TX100 slew rate control */ -+ rt305x_mii_write(esw, i, 30, 0x0018); -+ } -+ -+ /* PHY IOT */ -+ /* select global register */ -+ rt305x_mii_write(esw, 0, 31, 0x0); -+ /* tune TP_IDL tail and head waveform */ -+ rt305x_mii_write(esw, 0, 22, 0x052f); -+ /* set TX10 signal amplitude threshold to minimum */ -+ rt305x_mii_write(esw, 0, 17, 0x0fe0); -+ /* set squelch amplitude to higher threshold */ -+ rt305x_mii_write(esw, 0, 18, 0x40ba); -+ /* longer TP_IDL tail length */ -+ rt305x_mii_write(esw, 0, 14, 0x65); -+ /* select local register */ -+ rt305x_mii_write(esw, 0, 31, 0x8000); -+ } -+ -+ if (esw->port_map) -+ port_map = esw->port_map; -+ else -+ port_map = RT305X_ESW_PMAP_LLLLLL; -+ -+ /* -+ * Unused HW feature, but still nice to be consistent here... -+ * This is also exported to userspace ('lan' attribute) so it's -+ * conveniently usable to decide which ports go into the wan vlan by -+ * default. -+ */ -+ esw_rmw(esw, RT305X_ESW_REG_SGC2, -+ RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S, -+ port_map << RT305X_ESW_SGC2_LAN_PMAP_S); -+ -+ /* make the switch leds blink */ -+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) -+ esw->ports[i].led = 0x05; -+ -+ /* Apply the empty config. */ -+ esw_apply_config(&esw->swdev); -+ -+ /* Only unmask the port change interrupt */ -+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR); -+} -+ -+static irqreturn_t esw_interrupt(int irq, void *_esw) -+{ -+ struct rt305x_esw *esw = (struct rt305x_esw *) _esw; -+ u32 status; -+ -+ status = esw_r32(esw, RT305X_ESW_REG_ISR); -+ if (status & RT305X_ESW_PORT_ST_CHG) { -+ u32 link = esw_r32(esw, RT305X_ESW_REG_POA); -+ link >>= RT305X_ESW_POA_LINK_SHIFT; -+ link &= RT305X_ESW_POA_LINK_MASK; -+ dev_info(esw->dev, "link changed 0x%02X\n", link); -+ } -+ esw_w32(esw, status, RT305X_ESW_REG_ISR); -+ -+ return IRQ_HANDLED; -+} -+ -+static int esw_apply_config(struct switch_dev *dev) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int i; -+ u8 disable = 0; -+ u8 doubletag = 0; -+ u8 en_vlan = 0; -+ u8 untag = 0; -+ -+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { -+ u32 vid, vmsc; -+ if (esw->global_vlan_enable) { -+ vid = esw->vlans[i].vid; -+ vmsc = esw->vlans[i].ports; -+ } else { -+ vid = RT305X_ESW_VLAN_NONE; -+ vmsc = RT305X_ESW_PORTS_NONE; -+ } -+ esw_set_vlan_id(esw, i, vid); -+ esw_set_vmsc(esw, i, vmsc); -+ } -+ -+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) { -+ u32 pvid; -+ disable |= esw->ports[i].disable << i; -+ if (esw->global_vlan_enable) { -+ doubletag |= esw->ports[i].doubletag << i; -+ en_vlan |= 1 << i; -+ untag |= esw->ports[i].untag << i; -+ pvid = esw->ports[i].pvid; -+ } else { -+ int x = esw->alt_vlan_disable ? 0 : 1; -+ doubletag |= x << i; -+ en_vlan |= x << i; -+ untag |= x << i; -+ pvid = 0; -+ } -+ esw_set_pvid(esw, i, pvid); -+ if (i < RT305X_ESW_NUM_LEDS) -+ esw_w32(esw, esw->ports[i].led, -+ RT305X_ESW_REG_P0LED + 4*i); -+ } -+ -+ esw_set_gsc(esw); -+ esw_set_port_disable(esw, disable); -+ esw_rmw(esw, RT305X_ESW_REG_SGC2, -+ (RT305X_ESW_SGC2_DOUBLE_TAG_M << -+ RT305X_ESW_SGC2_DOUBLE_TAG_S), -+ doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S); -+ esw_rmw(esw, RT305X_ESW_REG_PFC1, -+ RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S, -+ en_vlan << RT305X_ESW_PFC1_EN_VLAN_S); -+ esw_rmw(esw, RT305X_ESW_REG_POC2, -+ RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S, -+ untag << RT305X_ESW_POC2_UNTAG_EN_S); -+ -+ if (!esw->global_vlan_enable) { -+ /* -+ * Still need to put all ports into vlan 0 or they'll be -+ * isolated. -+ * NOTE: vlan 0 is special, no vlan tag is prepended -+ */ -+ esw_set_vlan_id(esw, 0, 0); -+ esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL); -+ } -+ -+ return 0; -+} -+ -+static int esw_reset_switch(struct switch_dev *dev) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ esw->global_vlan_enable = 0; -+ memset(esw->ports, 0, sizeof(esw->ports)); -+ memset(esw->vlans, 0, sizeof(esw->vlans)); -+ esw_hw_init(esw); -+ -+ return 0; -+} -+ -+static int esw_get_vlan_enable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ val->value.i = esw->global_vlan_enable; -+ -+ return 0; -+} -+ -+static int esw_set_vlan_enable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ esw->global_vlan_enable = val->value.i != 0; -+ -+ return 0; -+} -+ -+static int esw_get_alt_vlan_disable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ val->value.i = esw->alt_vlan_disable; -+ -+ return 0; -+} -+ -+static int esw_set_alt_vlan_disable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ esw->alt_vlan_disable = val->value.i != 0; -+ -+ return 0; -+} -+ -+static int -+rt305x_esw_set_bc_status(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK; -+ -+ return 0; -+} -+ -+static int -+rt305x_esw_get_bc_status(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ val->value.i = esw->bc_storm_protect; -+ -+ return 0; -+} -+ -+static int -+rt305x_esw_set_led_freq(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK; -+ -+ return 0; -+} -+ -+static int -+rt305x_esw_get_led_freq(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ val->value.i = esw->led_frequency; -+ -+ return 0; -+} -+ -+static int esw_get_port_link(struct switch_dev *dev, -+ int port, -+ struct switch_port_link *link) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ u32 speed, poa; -+ -+ if (port < 0 || port >= RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port; -+ -+ link->link = (poa >> RT305X_ESW_LINK_S) & 1; -+ link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1; -+ if (port < RT305X_ESW_NUM_LEDS) { -+ speed = (poa >> RT305X_ESW_SPD_S) & 1; -+ } else { -+ if (port == RT305X_ESW_NUM_PORTS - 1) -+ poa >>= 1; -+ speed = (poa >> RT305X_ESW_SPD_S) & 3; -+ } -+ switch (speed) { -+ case 0: -+ link->speed = SWITCH_PORT_SPEED_10; -+ break; -+ case 1: -+ link->speed = SWITCH_PORT_SPEED_100; -+ break; -+ case 2: -+ case 3: /* forced gige speed can be 2 or 3 */ -+ link->speed = SWITCH_PORT_SPEED_1000; -+ break; -+ default: -+ link->speed = SWITCH_PORT_SPEED_UNKNOWN; -+ break; -+ } -+ -+ return 0; -+} -+ -+static int esw_get_port_bool(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int idx = val->port_vlan; -+ u32 x, reg, shift; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ switch (attr->id) { -+ case RT305X_ESW_ATTR_PORT_DISABLE: -+ reg = RT305X_ESW_REG_POC0; -+ shift = RT305X_ESW_POC0_DIS_PORT_S; -+ break; -+ case RT305X_ESW_ATTR_PORT_DOUBLETAG: -+ reg = RT305X_ESW_REG_SGC2; -+ shift = RT305X_ESW_SGC2_DOUBLE_TAG_S; -+ break; -+ case RT305X_ESW_ATTR_PORT_UNTAG: -+ reg = RT305X_ESW_REG_POC2; -+ shift = RT305X_ESW_POC2_UNTAG_EN_S; -+ break; -+ case RT305X_ESW_ATTR_PORT_LAN: -+ reg = RT305X_ESW_REG_SGC2; -+ shift = RT305X_ESW_SGC2_LAN_PMAP_S; -+ if (idx >= RT305X_ESW_NUM_LANWAN) -+ return -EINVAL; -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ x = esw_r32(esw, reg); -+ val->value.i = (x >> (idx + shift)) & 1; -+ -+ return 0; -+} -+ -+static int esw_set_port_bool(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int idx = val->port_vlan; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS || -+ val->value.i < 0 || val->value.i > 1) -+ return -EINVAL; -+ -+ switch (attr->id) { -+ case RT305X_ESW_ATTR_PORT_DISABLE: -+ esw->ports[idx].disable = val->value.i; -+ break; -+ case RT305X_ESW_ATTR_PORT_DOUBLETAG: -+ esw->ports[idx].doubletag = val->value.i; -+ break; -+ case RT305X_ESW_ATTR_PORT_UNTAG: -+ esw->ports[idx].untag = val->value.i; -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+static int esw_get_port_recv_badgood(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int idx = val->port_vlan; -+ int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16; -+ u32 reg; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN) -+ return -EINVAL; -+ reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx)); -+ val->value.i = (reg >> shift) & 0xffff; -+ -+ return 0; -+} -+ -+static int -+esw_get_port_tr_badgood(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ int idx = val->port_vlan; -+ int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16; -+ u32 reg; -+ -+ if (!soc_is_rt5350()) -+ return -EINVAL; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN) -+ return -EINVAL; -+ -+ reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx)); -+ val->value.i = (reg >> shift) & 0xffff; -+ -+ return 0; -+} -+ -+static int esw_get_port_led(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int idx = val->port_vlan; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS || -+ idx >= RT305X_ESW_NUM_LEDS) -+ return -EINVAL; -+ -+ val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx); -+ -+ return 0; -+} -+ -+static int esw_set_port_led(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int idx = val->port_vlan; -+ -+ if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS) -+ return -EINVAL; -+ -+ esw->ports[idx].led = val->value.i; -+ -+ return 0; -+} -+ -+static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ if (port >= RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ *val = esw_get_pvid(esw, port); -+ -+ return 0; -+} -+ -+static int esw_set_port_pvid(struct switch_dev *dev, int port, int val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ -+ if (port >= RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ esw->ports[port].pvid = val; -+ -+ return 0; -+} -+ -+static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ u32 vmsc, poc2; -+ int vlan_idx = -1; -+ int i; -+ -+ val->len = 0; -+ -+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS) -+ return -EINVAL; -+ -+ /* valid vlan? */ -+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { -+ if (esw_get_vlan_id(esw, i) == val->port_vlan && -+ esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) { -+ vlan_idx = i; -+ break; -+ } -+ } -+ -+ if (vlan_idx == -1) -+ return -EINVAL; -+ -+ vmsc = esw_get_vmsc(esw, vlan_idx); -+ poc2 = esw_r32(esw, RT305X_ESW_REG_POC2); -+ -+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) { -+ struct switch_port *p; -+ int port_mask = 1 << i; -+ -+ if (!(vmsc & port_mask)) -+ continue; -+ -+ p = &val->value.ports[val->len++]; -+ p->id = i; -+ if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S)) -+ p->flags = 0; -+ else -+ p->flags = 1 << SWITCH_PORT_FLAG_TAGGED; -+ } -+ -+ return 0; -+} -+ -+static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val) -+{ -+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); -+ int ports; -+ int vlan_idx = -1; -+ int i; -+ -+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS || -+ val->len > RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ /* one of the already defined vlans? */ -+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { -+ if (esw->vlans[i].vid == val->port_vlan && -+ esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) { -+ vlan_idx = i; -+ break; -+ } -+ } -+ -+ /* select a free slot */ -+ for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) { -+ if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE) -+ vlan_idx = i; -+ } -+ -+ /* bail if all slots are in use */ -+ if (vlan_idx == -1) -+ return -EINVAL; -+ -+ ports = RT305X_ESW_PORTS_NONE; -+ for (i = 0; i < val->len; i++) { -+ struct switch_port *p = &val->value.ports[i]; -+ int port_mask = 1 << p->id; -+ bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)); -+ -+ if (p->id >= RT305X_ESW_NUM_PORTS) -+ return -EINVAL; -+ -+ ports |= port_mask; -+ esw->ports[p->id].untag = untagged; -+ } -+ esw->vlans[vlan_idx].ports = ports; -+ if (ports == RT305X_ESW_PORTS_NONE) -+ esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE; -+ else -+ esw->vlans[vlan_idx].vid = val->port_vlan; -+ -+ return 0; -+} -+ -+static const struct switch_attr esw_global[] = { -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "enable_vlan", -+ .description = "VLAN mode (1:enabled)", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_ENABLE_VLAN, -+ .get = esw_get_vlan_enable, -+ .set = esw_set_vlan_enable, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "alternate_vlan_disable", -+ .description = "Use en_vlan instead of doubletag to disable" -+ " VLAN mode", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE, -+ .get = esw_get_alt_vlan_disable, -+ .set = esw_set_alt_vlan_disable, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "bc_storm_protect", -+ .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)", -+ .max = 3, -+ .id = RT305X_ESW_ATTR_BC_STATUS, -+ .get = rt305x_esw_get_bc_status, -+ .set = rt305x_esw_set_bc_status, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "led_frequency", -+ .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)", -+ .max = 3, -+ .id = RT305X_ESW_ATTR_LED_FREQ, -+ .get = rt305x_esw_get_led_freq, -+ .set = rt305x_esw_set_led_freq, -+ } -+}; -+ -+static const struct switch_attr esw_port[] = { -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "disable", -+ .description = "Port state (1:disabled)", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_PORT_DISABLE, -+ .get = esw_get_port_bool, -+ .set = esw_set_port_bool, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "doubletag", -+ .description = "Double tagging for incoming vlan packets " -+ "(1:enabled)", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_PORT_DOUBLETAG, -+ .get = esw_get_port_bool, -+ .set = esw_set_port_bool, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "untag", -+ .description = "Untag (1:strip outgoing vlan tag)", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_PORT_UNTAG, -+ .get = esw_get_port_bool, -+ .set = esw_set_port_bool, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "led", -+ .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity," -+ " 4:collision, 5:linkact, 6:duplcoll, 7:10mact," -+ " 8:100mact, 10:blink, 11:off, 12:on)", -+ .max = 15, -+ .id = RT305X_ESW_ATTR_PORT_LED, -+ .get = esw_get_port_led, -+ .set = esw_set_port_led, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "lan", -+ .description = "HW port group (0:wan, 1:lan)", -+ .max = 1, -+ .id = RT305X_ESW_ATTR_PORT_LAN, -+ .get = esw_get_port_bool, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "recv_bad", -+ .description = "Receive bad packet counter", -+ .id = RT305X_ESW_ATTR_PORT_RECV_BAD, -+ .get = esw_get_port_recv_badgood, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "recv_good", -+ .description = "Receive good packet counter", -+ .id = RT305X_ESW_ATTR_PORT_RECV_GOOD, -+ .get = esw_get_port_recv_badgood, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "tr_bad", -+ -+ .description = "Transmit bad packet counter. rt5350 only", -+ .id = RT5350_ESW_ATTR_PORT_TR_BAD, -+ .get = esw_get_port_tr_badgood, -+ }, -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "tr_good", -+ -+ .description = "Transmit good packet counter. rt5350 only", -+ .id = RT5350_ESW_ATTR_PORT_TR_GOOD, -+ .get = esw_get_port_tr_badgood, -+ }, -+}; -+ -+static const struct switch_attr esw_vlan[] = { -+}; -+ -+static const struct switch_dev_ops esw_ops = { -+ .attr_global = { -+ .attr = esw_global, -+ .n_attr = ARRAY_SIZE(esw_global), -+ }, -+ .attr_port = { -+ .attr = esw_port, -+ .n_attr = ARRAY_SIZE(esw_port), -+ }, -+ .attr_vlan = { -+ .attr = esw_vlan, -+ .n_attr = ARRAY_SIZE(esw_vlan), -+ }, -+ .get_vlan_ports = esw_get_vlan_ports, -+ .set_vlan_ports = esw_set_vlan_ports, -+ .get_port_pvid = esw_get_port_pvid, -+ .set_port_pvid = esw_set_port_pvid, -+ .get_port_link = esw_get_port_link, -+ .apply_config = esw_apply_config, -+ .reset_switch = esw_reset_switch, -+}; -+ -+static struct rt305x_esw_platform_data rt3050_esw_data = { -+ /* All ports are LAN ports. */ -+ .vlan_config = RT305X_ESW_VLAN_CONFIG_NONE, -+ .reg_initval_fct2 = 0x00d6500c, -+ /* -+ * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1, -+ * turbo mii off, rgmi 3.3v off -+ * port5: disabled -+ * port6: enabled, gige, full-duplex, rx/tx-flow-control -+ */ -+ .reg_initval_fpa2 = 0x3f502b28, -+}; -+ -+static const struct of_device_id ralink_esw_match[] = { -+ { .compatible = "ralink,rt3050-esw", .data = &rt3050_esw_data }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, ralink_esw_match); -+ -+static int esw_probe(struct platform_device *pdev) -+{ -+ struct device_node *np = pdev->dev.of_node; -+ const struct rt305x_esw_platform_data *pdata; -+ const __be32 *port_map, *reg_init; -+ struct rt305x_esw *esw; -+ struct switch_dev *swdev; -+ struct resource *res, *irq; -+ int err; -+ -+ pdata = pdev->dev.platform_data; -+ if (!pdata) { -+ const struct of_device_id *match; -+ match = of_match_device(ralink_esw_match, &pdev->dev); -+ if (match) -+ pdata = (struct rt305x_esw_platform_data *) match->data; -+ } -+ if (!pdata) -+ return -EINVAL; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "no memory resource found\n"); -+ return -ENOMEM; -+ } -+ -+ irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); -+ if (!irq) { -+ dev_err(&pdev->dev, "no irq resource found\n"); -+ return -ENOMEM; -+ } -+ -+ esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL); -+ if (!esw) { -+ dev_err(&pdev->dev, "no memory for private data\n"); -+ return -ENOMEM; -+ } -+ -+ esw->dev = &pdev->dev; -+ esw->irq = irq->start; -+ esw->base = ioremap(res->start, resource_size(res)); -+ if (!esw->base) { -+ dev_err(&pdev->dev, "ioremap failed\n"); -+ err = -ENOMEM; -+ goto free_esw; -+ } -+ -+ port_map = of_get_property(np, "ralink,portmap", NULL); -+ if (port_map) -+ esw->port_map = be32_to_cpu(*port_map); -+ -+ reg_init = of_get_property(np, "ralink,fct2", NULL); -+ if (reg_init) -+ esw->reg_initval_fct2 = be32_to_cpu(*reg_init); -+ -+ reg_init = of_get_property(np, "ralink,fpa2", NULL); -+ if (reg_init) -+ esw->reg_initval_fpa2 = be32_to_cpu(*reg_init); -+ -+ reg_init = of_get_property(np, "ralink,led_polarity", NULL); -+ if (reg_init) -+ esw->reg_led_polarity = be32_to_cpu(*reg_init); -+ -+ swdev = &esw->swdev; -+ swdev->of_node = pdev->dev.of_node; -+ swdev->name = "rt305x-esw"; -+ swdev->alias = "rt305x"; -+ swdev->cpu_port = RT305X_ESW_PORT6; -+ swdev->ports = RT305X_ESW_NUM_PORTS; -+ swdev->vlans = RT305X_ESW_NUM_VIDS; -+ swdev->ops = &esw_ops; -+ -+ err = register_switch(swdev, NULL); -+ if (err < 0) { -+ dev_err(&pdev->dev, "register_switch failed\n"); -+ goto unmap_base; -+ } -+ -+ platform_set_drvdata(pdev, esw); -+ -+ esw->pdata = pdata; -+ spin_lock_init(&esw->reg_rw_lock); -+ -+ esw_hw_init(esw); -+ -+ esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR); -+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR); -+ request_irq(esw->irq, esw_interrupt, 0, "esw", esw); -+ -+ return 0; -+ -+unmap_base: -+ iounmap(esw->base); -+free_esw: -+ kfree(esw); -+ return err; -+} -+ -+static int esw_remove(struct platform_device *pdev) -+{ -+ struct rt305x_esw *esw; -+ -+ esw = platform_get_drvdata(pdev); -+ if (esw) { -+ unregister_switch(&esw->swdev); -+ platform_set_drvdata(pdev, NULL); -+ iounmap(esw->base); -+ kfree(esw); -+ } -+ -+ return 0; -+} -+ -+static struct platform_driver esw_driver = { -+ .probe = esw_probe, -+ .remove = esw_remove, -+ .driver = { -+ .name = "rt305x-esw", -+ .owner = THIS_MODULE, -+ .of_match_table = ralink_esw_match, -+ }, -+}; -+ -+int __init rtesw_init(void) -+{ -+ return platform_driver_register(&esw_driver); -+} -+ -+void rtesw_exit(void) -+{ -+ platform_driver_unregister(&esw_driver); -+} -diff --git a/drivers/net/ethernet/ralink/esw_rt3052.h b/drivers/net/ethernet/ralink/esw_rt3052.h -new file mode 100644 -index 0000000..2ced3dff ---- /dev/null -+++ b/drivers/net/ethernet/ralink/esw_rt3052.h -@@ -0,0 +1,32 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _RALINK_ESW_RT3052_H__ -+#define _RALINK_ESW_RT3052_H__ -+ -+#ifdef CONFIG_NET_RALINK_ESW_RT3052 -+ -+int __init rtesw_init(void); -+void rtesw_exit(void); -+ -+#else -+ -+static inline int __init rtesw_init(void) { return 0; } -+static inline void rtesw_exit(void) { } -+ -+#endif -+#endif -diff --git a/drivers/net/ethernet/ralink/gsw_mt7620a.c b/drivers/net/ethernet/ralink/gsw_mt7620a.c -new file mode 100644 -index 0000000..70f81e3 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/gsw_mt7620a.c -@@ -0,0 +1,566 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/skbuff.h> -+#include <linux/etherdevice.h> -+#include <linux/ethtool.h> -+#include <linux/platform_device.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/of_net.h> -+#include <linux/of_mdio.h> -+#include <linux/of_irq.h> -+#include <linux/of_address.h> -+#include <linux/switch.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+ -+#include <linux/ioport.h> -+#include <linux/switch.h> -+#include <linux/mii.h> -+ -+#include <ralink_regs.h> -+#include <asm/mach-ralink/mt7620.h> -+ -+#include "ralink_soc_eth.h" -+#include "gsw_mt7620a.h" -+#include "mt7530.h" -+#include "mdio.h" -+ -+#define GSW_REG_PHY_TIMEOUT (5 * HZ) -+ -+#define MT7620A_GSW_REG_PIAC 0x7004 -+ -+#define GSW_NUM_VLANS 16 -+#define GSW_NUM_VIDS 4096 -+#define GSW_NUM_PORTS 7 -+#define GSW_PORT6 6 -+ -+#define GSW_MDIO_ACCESS BIT(31) -+#define GSW_MDIO_READ BIT(19) -+#define GSW_MDIO_WRITE BIT(18) -+#define GSW_MDIO_START BIT(16) -+#define GSW_MDIO_ADDR_SHIFT 20 -+#define GSW_MDIO_REG_SHIFT 25 -+ -+#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100)) -+#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100)) -+#define GSW_REG_SMACCR0 0x3fE4 -+#define GSW_REG_SMACCR1 0x3fE8 -+#define GSW_REG_CKGCR 0x3ff0 -+ -+#define GSW_REG_IMR 0x7008 -+#define GSW_REG_ISR 0x700c -+ -+#define SYSC_REG_CFG1 0x14 -+ -+#define PORT_IRQ_ST_CHG 0x7f -+ -+#define SYSCFG1 0x14 -+ -+#define ESW_PHY_POLLING 0x7000 -+ -+#define PMCR_IPG BIT(18) -+#define PMCR_MAC_MODE BIT(16) -+#define PMCR_FORCE BIT(15) -+#define PMCR_TX_EN BIT(14) -+#define PMCR_RX_EN BIT(13) -+#define PMCR_BACKOFF BIT(9) -+#define PMCR_BACKPRES BIT(8) -+#define PMCR_RX_FC BIT(5) -+#define PMCR_TX_FC BIT(4) -+#define PMCR_SPEED(_x) (_x << 2) -+#define PMCR_DUPLEX BIT(1) -+#define PMCR_LINK BIT(0) -+ -+#define PHY_AN_EN BIT(31) -+#define PHY_PRE_EN BIT(30) -+#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24) -+ -+enum { -+ /* Global attributes. */ -+ GSW_ATTR_ENABLE_VLAN, -+ /* Port attributes. */ -+ GSW_ATTR_PORT_UNTAG, -+}; -+ -+enum { -+ PORT4_EPHY = 0, -+ PORT4_EXT, -+}; -+ -+struct mt7620_gsw { -+ struct device *dev; -+ void __iomem *base; -+ int irq; -+ int port4; -+ long unsigned int autopoll; -+}; -+ -+static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg) -+{ -+ iowrite32(val, gsw->base + reg); -+} -+ -+static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg) -+{ -+ return ioread32(gsw->base + reg); -+} -+ -+static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw) -+{ -+ unsigned long t_start = jiffies; -+ -+ while (1) { -+ if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS)) -+ return 0; -+ if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) { -+ break; -+ } -+ } -+ -+ printk(KERN_ERR "mdio: MDIO timeout\n"); -+ return -1; -+} -+ -+static u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register, -+ u32 write_data) -+{ -+ if (mt7620_mii_busy_wait(gsw)) -+ return -1; -+ -+ write_data &= 0xffff; -+ -+ gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE | -+ (phy_register << GSW_MDIO_REG_SHIFT) | -+ (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data, -+ MT7620A_GSW_REG_PIAC); -+ -+ if (mt7620_mii_busy_wait(gsw)) -+ return -1; -+ -+ return 0; -+} -+ -+static u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg) -+{ -+ u32 d; -+ -+ if (mt7620_mii_busy_wait(gsw)) -+ return 0xffff; -+ -+ gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ | -+ (phy_reg << GSW_MDIO_REG_SHIFT) | -+ (phy_addr << GSW_MDIO_ADDR_SHIFT), -+ MT7620A_GSW_REG_PIAC); -+ -+ if (mt7620_mii_busy_wait(gsw)) -+ return 0xffff; -+ -+ d = gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff; -+ -+ return d; -+} -+ -+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -+{ -+ struct fe_priv *priv = bus->priv; -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ -+ return _mt7620_mii_write(gsw, phy_addr, phy_reg, val); -+} -+ -+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -+{ -+ struct fe_priv *priv = bus->priv; -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ -+ return _mt7620_mii_read(gsw, phy_addr, phy_reg); -+} -+ -+static unsigned char *fe_speed_str(int speed) -+{ -+ switch (speed) { -+ case 2: -+ case SPEED_1000: -+ return "1000"; -+ case 1: -+ case SPEED_100: -+ return "100"; -+ case 0: -+ case SPEED_10: -+ return "10"; -+ } -+ -+ return "? "; -+} -+ -+int mt7620a_has_carrier(struct fe_priv *priv) -+{ -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ int i; -+ -+ for (i = 0; i < GSW_PORT6; i++) -+ if (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1) -+ return 1; -+ return 0; -+} -+ -+static void mt7620a_handle_carrier(struct fe_priv *priv) -+{ -+ if (!priv->phy) -+ return; -+ -+ if (mt7620a_has_carrier(priv)) -+ netif_carrier_on(priv->netdev); -+ else -+ netif_carrier_off(priv->netdev); -+} -+ -+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port) -+{ -+ if (priv->link[port]) -+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n", -+ port, fe_speed_str(priv->phy->speed[port]), -+ (DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half"); -+ else -+ netdev_info(priv->netdev, "port %d link down\n", port); -+ mt7620a_handle_carrier(priv); -+} -+ -+static irqreturn_t gsw_interrupt(int irq, void *_priv) -+{ -+ struct fe_priv *priv = (struct fe_priv *) _priv; -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ u32 status; -+ int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3); -+ -+ status = gsw_r32(gsw, GSW_REG_ISR); -+ if (status & PORT_IRQ_ST_CHG) -+ for (i = 0; i <= max; i++) { -+ u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i)); -+ int link = status & 0x1; -+ -+ if (link != priv->link[i]) { -+ if (link) -+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n", -+ i, fe_speed_str((status >> 2) & 3), -+ (status & 0x2) ? "Full" : "Half"); -+ else -+ netdev_info(priv->netdev, "port %d link down\n", i); -+ } -+ -+ priv->link[i] = link; -+ } -+ mt7620a_handle_carrier(priv); -+ -+ gsw_w32(gsw, status, GSW_REG_ISR); -+ -+ return IRQ_HANDLED; -+} -+ -+static int mt7620_is_bga(void) -+{ -+ u32 bga = rt_sysc_r32(0x0c); -+ -+ return (bga >> 16) & 1; -+} -+ -+static void gsw_auto_poll(struct mt7620_gsw *gsw) -+{ -+ int phy; -+ int lsb = -1, msb = 0; -+ -+ for_each_set_bit(phy, &gsw->autopoll, 32) { -+ if (lsb < 0) -+ lsb = phy; -+ msb = phy; -+ } -+ -+ gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING); -+} -+ -+void mt7620_port_init(struct fe_priv *priv, struct device_node *np) -+{ -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ const __be32 *_id = of_get_property(np, "reg", NULL); -+ int phy_mode, size, id; -+ int shift = 12; -+ u32 val, mask = 0; -+ int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4); -+ -+ if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) { -+ if (_id) -+ pr_err("%s: invalid port id %d\n", np->name, be32_to_cpu(*_id)); -+ else -+ pr_err("%s: invalid port id\n", np->name); -+ return; -+ } -+ -+ id = be32_to_cpu(*_id); -+ -+ if (id == 4) -+ shift = 14; -+ -+ priv->phy->phy_fixed[id] = of_get_property(np, "ralink,fixed-link", &size); -+ if (priv->phy->phy_fixed[id] && (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) { -+ pr_err("%s: invalid fixed link property\n", np->name); -+ priv->phy->phy_fixed[id] = NULL; -+ return; -+ } -+ -+ phy_mode = of_get_phy_mode(np); -+ switch (phy_mode) { -+ case PHY_INTERFACE_MODE_RGMII: -+ mask = 0; -+ break; -+ case PHY_INTERFACE_MODE_MII: -+ mask = 1; -+ break; -+ case PHY_INTERFACE_MODE_RMII: -+ mask = 2; -+ break; -+ default: -+ dev_err(priv->device, "port %d - invalid phy mode\n", id); -+ return; -+ } -+ -+ priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0); -+ if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id]) -+ return; -+ -+ val = rt_sysc_r32(SYSCFG1); -+ val &= ~(3 << shift); -+ val |= mask << shift; -+ rt_sysc_w32(val, SYSCFG1); -+ -+ if (priv->phy->phy_fixed[id]) { -+ const __be32 *link = priv->phy->phy_fixed[id]; -+ int tx_fc, rx_fc; -+ u32 val = 0; -+ -+ priv->phy->speed[id] = be32_to_cpup(link++); -+ tx_fc = be32_to_cpup(link++); -+ rx_fc = be32_to_cpup(link++); -+ priv->phy->duplex[id] = be32_to_cpup(link++); -+ priv->link[id] = 1; -+ -+ switch (priv->phy->speed[id]) { -+ case SPEED_10: -+ val = 0; -+ break; -+ case SPEED_100: -+ val = 1; -+ break; -+ case SPEED_1000: -+ val = 2; -+ break; -+ default: -+ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[id]); -+ priv->phy->phy_fixed[id] = 0; -+ return; -+ } -+ val = PMCR_SPEED(val); -+ val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN | -+ PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG; -+ if (tx_fc) -+ val |= PMCR_TX_FC; -+ if (rx_fc) -+ val |= PMCR_RX_FC; -+ if (priv->phy->duplex[id]) -+ val |= PMCR_DUPLEX; -+ gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id)); -+ dev_info(priv->device, "using fixed link parameters\n"); -+ return; -+ } -+ -+ if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) { -+ u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN | -+ PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG; -+ -+ gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id)); -+ fe_connect_phy_node(priv, priv->phy->phy_node[id]); -+ gsw->autopoll |= BIT(id); -+ gsw_auto_poll(gsw); -+ return; -+ } -+} -+ -+static void gsw_hw_init(struct mt7620_gsw *gsw) -+{ -+ u32 is_BGA = mt7620_is_bga(); -+ -+ rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1); -+ gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR); -+ -+ /*correct PHY setting L3.0 BGA*/ -+ _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4 -+ -+ _mt7620_mii_write(gsw, 1, 17, 0x7444); -+ if (is_BGA) -+ _mt7620_mii_write(gsw, 1, 19, 0x0114); -+ else -+ _mt7620_mii_write(gsw, 1, 19, 0x0117); -+ -+ _mt7620_mii_write(gsw, 1, 22, 0x10cf); -+ _mt7620_mii_write(gsw, 1, 25, 0x6212); -+ _mt7620_mii_write(gsw, 1, 26, 0x0777); -+ _mt7620_mii_write(gsw, 1, 29, 0x4000); -+ _mt7620_mii_write(gsw, 1, 28, 0xc077); -+ _mt7620_mii_write(gsw, 1, 24, 0x0000); -+ -+ _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3 -+ _mt7620_mii_write(gsw, 1, 17, 0x4838); -+ -+ _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2 -+ if (is_BGA) { -+ _mt7620_mii_write(gsw, 1, 21, 0x0515); -+ _mt7620_mii_write(gsw, 1, 22, 0x0053); -+ _mt7620_mii_write(gsw, 1, 23, 0x00bf); -+ _mt7620_mii_write(gsw, 1, 24, 0x0aaf); -+ _mt7620_mii_write(gsw, 1, 25, 0x0fad); -+ _mt7620_mii_write(gsw, 1, 26, 0x0fc1); -+ } else { -+ _mt7620_mii_write(gsw, 1, 21, 0x0517); -+ _mt7620_mii_write(gsw, 1, 22, 0x0fd2); -+ _mt7620_mii_write(gsw, 1, 23, 0x00bf); -+ _mt7620_mii_write(gsw, 1, 24, 0x0aab); -+ _mt7620_mii_write(gsw, 1, 25, 0x00ae); -+ _mt7620_mii_write(gsw, 1, 26, 0x0fff); -+ } -+ _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1 -+ _mt7620_mii_write(gsw, 1, 17, 0xe7f8); -+ -+ _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0 -+ _mt7620_mii_write(gsw, 0, 30, 0xa000); -+ _mt7620_mii_write(gsw, 1, 30, 0xa000); -+ _mt7620_mii_write(gsw, 2, 30, 0xa000); -+ _mt7620_mii_write(gsw, 3, 30, 0xa000); -+ -+ _mt7620_mii_write(gsw, 0, 4, 0x05e1); -+ _mt7620_mii_write(gsw, 1, 4, 0x05e1); -+ _mt7620_mii_write(gsw, 2, 4, 0x05e1); -+ _mt7620_mii_write(gsw, 3, 4, 0x05e1); -+ _mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2 -+ _mt7620_mii_write(gsw, 0, 16, 0x1111); -+ _mt7620_mii_write(gsw, 1, 16, 0x1010); -+ _mt7620_mii_write(gsw, 2, 16, 0x1515); -+ _mt7620_mii_write(gsw, 3, 16, 0x0f0f); -+ -+ /* CPU Port6 Force Link 1G, FC ON */ -+ gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6)); -+ /* Set Port6 CPU Port */ -+ gsw_w32(gsw, 0x7f7f7fe0, 0x0010); -+ -+ /* setup port 4 */ -+ if (gsw->port4 == PORT4_EPHY) { -+ u32 val = rt_sysc_r32(SYSCFG1); -+ val |= 3 << 14; -+ rt_sysc_w32(val, SYSCFG1); -+ _mt7620_mii_write(gsw, 4, 30, 0xa000); -+ _mt7620_mii_write(gsw, 4, 4, 0x05e1); -+ _mt7620_mii_write(gsw, 4, 16, 0x1313); -+ pr_info("gsw: setting port4 to ephy mode\n"); -+ } -+} -+ -+void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac) -+{ -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&priv->page_lock, flags); -+ gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1); -+ gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], -+ GSW_REG_SMACCR0); -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+} -+ -+static struct of_device_id gsw_match[] = { -+ { .compatible = "ralink,mt7620a-gsw" }, -+ {} -+}; -+ -+int mt7620_gsw_config(struct fe_priv *priv) -+{ -+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv; -+ -+ /* is the mt7530 internal or external */ -+ if ((_mt7620_mii_read(gsw, 0x1f, 2) == 1) && (_mt7620_mii_read(gsw, 0x1f, 3) == 0xbeef)) -+ mt7530_probe(priv->device, NULL, priv->mii_bus); -+ else -+ mt7530_probe(priv->device, gsw->base, NULL); -+ -+ return 0; -+} -+ -+int mt7620_gsw_probe(struct fe_priv *priv) -+{ -+ struct mt7620_gsw *gsw; -+ struct device_node *np; -+ const char *port4 = NULL; -+ -+ np = of_find_matching_node(NULL, gsw_match); -+ if (!np) { -+ dev_err(priv->device, "no gsw node found\n"); -+ return -EINVAL; -+ } -+ np = of_node_get(np); -+ -+ gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL); -+ if (!gsw) { -+ dev_err(priv->device, "no gsw memory for private data\n"); -+ return -ENOMEM; -+ } -+ -+ gsw->irq = irq_of_parse_and_map(np, 0); -+ if (!gsw->irq) { -+ dev_err(priv->device, "no gsw irq resource found\n"); -+ return -ENOMEM; -+ } -+ -+ gsw->base = of_iomap(np, 0); -+ if (!gsw->base) { -+ dev_err(priv->device, "gsw ioremap failed\n"); -+ return -ENOMEM; -+ } -+ -+ gsw->dev = priv->device; -+ priv->soc->swpriv = gsw; -+ -+ of_property_read_string(np, "ralink,port4", &port4); -+ if (port4 && !strcmp(port4, "ephy")) -+ gsw->port4 = PORT4_EPHY; -+ else if (port4 && !strcmp(port4, "gmac")) -+ gsw->port4 = PORT4_EXT; -+ else -+ WARN_ON(port4); -+ -+ gsw_hw_init(gsw); -+ -+ gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR); -+ request_irq(gsw->irq, gsw_interrupt, 0, "gsw", priv); -+ -+ return 0; -+} -diff --git a/drivers/net/ethernet/ralink/gsw_mt7620a.h b/drivers/net/ethernet/ralink/gsw_mt7620a.h -new file mode 100644 -index 0000000..c87761a ---- /dev/null -+++ b/drivers/net/ethernet/ralink/gsw_mt7620a.h -@@ -0,0 +1,30 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _RALINK_GSW_MT7620_H__ -+#define _RALINK_GSW_MT7620_H__ -+ -+extern int mt7620_gsw_config(struct fe_priv *priv); -+extern int mt7620_gsw_probe(struct fe_priv *priv); -+extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac); -+extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -+extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); -+extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port); -+extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np); -+extern int mt7620a_has_carrier(struct fe_priv *priv); -+ -+#endif -diff --git a/drivers/net/ethernet/ralink/mdio.c b/drivers/net/ethernet/ralink/mdio.c -new file mode 100644 -index 0000000..32bf98b ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mdio.c -@@ -0,0 +1,244 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/skbuff.h> -+#include <linux/etherdevice.h> -+#include <linux/ethtool.h> -+#include <linux/platform_device.h> -+#include <linux/phy.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/of_net.h> -+#include <linux/of_mdio.h> -+ -+#include "ralink_soc_eth.h" -+#include "mdio.h" -+ -+static int fe_mdio_reset(struct mii_bus *bus) -+{ -+ /* TODO */ -+ return 0; -+} -+ -+static void fe_phy_link_adjust(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ unsigned long flags; -+ int i; -+ -+ spin_lock_irqsave(&priv->phy->lock, flags); -+ for (i = 0; i < 8; i++) { -+ if (priv->phy->phy_node[i]) { -+ struct phy_device *phydev = priv->phy->phy[i]; -+ int status_change = 0; -+ -+ if (phydev->link) -+ if (priv->phy->duplex[i] != phydev->duplex || -+ priv->phy->speed[i] != phydev->speed) -+ status_change = 1; -+ -+ if (phydev->link != priv->link[i]) -+ status_change = 1; -+ -+ switch (phydev->speed) { -+ case SPEED_1000: -+ case SPEED_100: -+ case SPEED_10: -+ priv->link[i] = phydev->link; -+ priv->phy->duplex[i] = phydev->duplex; -+ priv->phy->speed[i] = phydev->speed; -+ -+ if (status_change && priv->soc->mdio_adjust_link) -+ priv->soc->mdio_adjust_link(priv, i); -+ break; -+ } -+ } -+ } -+} -+ -+int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node) -+{ -+ const __be32 *_port = NULL; -+ struct phy_device *phydev; -+ int phy_mode, port; -+ -+ _port = of_get_property(phy_node, "reg", NULL); -+ -+ if (!_port || (be32_to_cpu(*_port) >= 0x20)) { -+ pr_err("%s: invalid port id\n", phy_node->name); -+ return -EINVAL; -+ } -+ port = be32_to_cpu(*_port); -+ phy_mode = of_get_phy_mode(phy_node); -+ if (phy_mode < 0) { -+ dev_err(priv->device, "incorrect phy-mode %d\n", phy_mode); -+ priv->phy->phy_node[port] = NULL; -+ return -EINVAL; -+ } -+ -+ phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust, -+ 0, phy_mode); -+ if (IS_ERR(phydev)) { -+ dev_err(priv->device, "could not connect to PHY\n"); -+ priv->phy->phy_node[port] = NULL; -+ return PTR_ERR(phydev); -+ } -+ -+ phydev->supported &= PHY_GBIT_FEATURES; -+ phydev->advertising = phydev->supported; -+ phydev->no_auto_carrier_off = 1; -+ -+ dev_info(priv->device, -+ "connected port %d to PHY at %s [uid=%08x, driver=%s]\n", -+ port, dev_name(&phydev->dev), phydev->phy_id, -+ phydev->drv->name); -+ -+ priv->phy->phy[port] = phydev; -+ priv->link[port] = 0; -+ -+ return 0; -+} -+ -+static int fe_phy_connect(struct fe_priv *priv) -+{ -+ return 0; -+} -+ -+static void fe_phy_disconnect(struct fe_priv *priv) -+{ -+ unsigned long flags; -+ int i; -+ -+ for (i = 0; i < 8; i++) -+ if (priv->phy->phy_fixed[i]) { -+ spin_lock_irqsave(&priv->phy->lock, flags); -+ priv->link[i] = 0; -+ if (priv->soc->mdio_adjust_link) -+ priv->soc->mdio_adjust_link(priv, i); -+ spin_unlock_irqrestore(&priv->phy->lock, flags); -+ } else if (priv->phy->phy[i]) { -+ phy_disconnect(priv->phy->phy[i]); -+ } -+} -+ -+static void fe_phy_start(struct fe_priv *priv) -+{ -+ unsigned long flags; -+ int i; -+ -+ for (i = 0; i < 8; i++) { -+ if (priv->phy->phy_fixed[i]) { -+ spin_lock_irqsave(&priv->phy->lock, flags); -+ priv->link[i] = 1; -+ if (priv->soc->mdio_adjust_link) -+ priv->soc->mdio_adjust_link(priv, i); -+ spin_unlock_irqrestore(&priv->phy->lock, flags); -+ } else if (priv->phy->phy[i]) { -+ phy_start(priv->phy->phy[i]); -+ } -+ } -+} -+ -+static void fe_phy_stop(struct fe_priv *priv) -+{ -+ unsigned long flags; -+ int i; -+ -+ for (i = 0; i < 8; i++) -+ if (priv->phy->phy_fixed[i]) { -+ spin_lock_irqsave(&priv->phy->lock, flags); -+ priv->link[i] = 0; -+ if (priv->soc->mdio_adjust_link) -+ priv->soc->mdio_adjust_link(priv, i); -+ spin_unlock_irqrestore(&priv->phy->lock, flags); -+ } else if (priv->phy->phy[i]) { -+ phy_stop(priv->phy->phy[i]); -+ } -+} -+ -+static struct fe_phy phy_ralink = { -+ .connect = fe_phy_connect, -+ .disconnect = fe_phy_disconnect, -+ .start = fe_phy_start, -+ .stop = fe_phy_stop, -+}; -+ -+int fe_mdio_init(struct fe_priv *priv) -+{ -+ struct device_node *mii_np; -+ int err; -+ -+ if (!priv->soc->mdio_read || !priv->soc->mdio_write) -+ return 0; -+ -+ spin_lock_init(&phy_ralink.lock); -+ priv->phy = &phy_ralink; -+ -+ mii_np = of_get_child_by_name(priv->device->of_node, "mdio-bus"); -+ if (!mii_np) { -+ dev_err(priv->device, "no %s child node found", "mdio-bus"); -+ return -ENODEV; -+ } -+ -+ if (!of_device_is_available(mii_np)) { -+ err = 0; -+ goto err_put_node; -+ } -+ -+ priv->mii_bus = mdiobus_alloc(); -+ if (priv->mii_bus == NULL) { -+ err = -ENOMEM; -+ goto err_put_node; -+ } -+ -+ priv->mii_bus->name = "mdio"; -+ priv->mii_bus->read = priv->soc->mdio_read; -+ priv->mii_bus->write = priv->soc->mdio_write; -+ priv->mii_bus->reset = fe_mdio_reset; -+ priv->mii_bus->irq = priv->mii_irq; -+ priv->mii_bus->priv = priv; -+ priv->mii_bus->parent = priv->device; -+ -+ snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name); -+ err = of_mdiobus_register(priv->mii_bus, mii_np); -+ if (err) -+ goto err_free_bus; -+ -+ return 0; -+ -+err_free_bus: -+ kfree(priv->mii_bus); -+err_put_node: -+ of_node_put(mii_np); -+ priv->mii_bus = NULL; -+ return err; -+} -+ -+void fe_mdio_cleanup(struct fe_priv *priv) -+{ -+ if (!priv->mii_bus) -+ return; -+ -+ mdiobus_unregister(priv->mii_bus); -+ of_node_put(priv->mii_bus->dev.of_node); -+ kfree(priv->mii_bus); -+} -diff --git a/drivers/net/ethernet/ralink/mdio.h b/drivers/net/ethernet/ralink/mdio.h -new file mode 100644 -index 0000000..c3910a0 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mdio.h -@@ -0,0 +1,29 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _RALINK_MDIO_H__ -+#define _RALINK_MDIO_H__ -+ -+#ifdef CONFIG_NET_RALINK_MDIO -+extern int fe_mdio_init(struct fe_priv *priv); -+extern void fe_mdio_cleanup(struct fe_priv *priv); -+extern int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node); -+#else -+static inline int fe_mdio_init(struct fe_priv *priv) { return 0; } -+static inline void fe_mdio_cleanup(struct fe_priv *priv) {} -+#endif -+#endif -diff --git a/drivers/net/ethernet/ralink/mdio_rt2880.c b/drivers/net/ethernet/ralink/mdio_rt2880.c -new file mode 100644 -index 0000000..b99eb46 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mdio_rt2880.c -@@ -0,0 +1,232 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/skbuff.h> -+#include <linux/etherdevice.h> -+#include <linux/ethtool.h> -+#include <linux/platform_device.h> -+#include <linux/phy.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/of_net.h> -+#include <linux/of_mdio.h> -+ -+#include "ralink_soc_eth.h" -+#include "mdio_rt2880.h" -+#include "mdio.h" -+ -+#define FE_MDIO_RETRY 1000 -+ -+static unsigned char *rt2880_speed_str(struct fe_priv *priv) -+{ -+ switch (priv->phy->speed[0]) { -+ case SPEED_1000: -+ return "1000"; -+ case SPEED_100: -+ return "100"; -+ case SPEED_10: -+ return "10"; -+ } -+ -+ return "?"; -+} -+ -+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port) -+{ -+ u32 mdio_cfg; -+ -+ if (!priv->link[0]) { -+ netif_carrier_off(priv->netdev); -+ netdev_info(priv->netdev, "link down\n"); -+ return; -+ } -+ -+ mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 | -+ FE_MDIO_CFG_RX_CLK_SKEW_200 | -+ FE_MDIO_CFG_GP1_FRC_EN; -+ -+ if (priv->phy->duplex[0] == DUPLEX_FULL) -+ mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX; -+ -+ if (priv->phy->tx_fc[0]) -+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX; -+ -+ if (priv->phy->rx_fc[0]) -+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX; -+ -+ switch (priv->phy->speed[0]) { -+ case SPEED_10: -+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10; -+ break; -+ case SPEED_100: -+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100; -+ break; -+ case SPEED_1000: -+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000; -+ break; -+ default: -+ BUG(); -+ } -+ -+ fe_w32(mdio_cfg, FE_MDIO_CFG); -+ -+ netif_carrier_on(priv->netdev); -+ netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n", -+ rt2880_speed_str(priv), -+ (DUPLEX_FULL == priv->phy->duplex[0]) ? "Full" : "Half"); -+} -+ -+static int rt2880_mdio_wait_ready(struct fe_priv *priv) -+{ -+ int retries; -+ -+ retries = FE_MDIO_RETRY; -+ while (1) { -+ u32 t; -+ -+ t = fe_r32(FE_MDIO_ACCESS); -+ if ((t & (0x1 << 31)) == 0) -+ return 0; -+ -+ if (retries-- == 0) -+ break; -+ -+ udelay(1); -+ } -+ -+ dev_err(priv->device, "MDIO operation timed out\n"); -+ return -ETIMEDOUT; -+} -+ -+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -+{ -+ struct fe_priv *priv = bus->priv; -+ int err; -+ u32 t; -+ -+ err = rt2880_mdio_wait_ready(priv); -+ if (err) -+ return 0xffff; -+ -+ t = (phy_addr << 24) | (phy_reg << 16); -+ fe_w32(t, FE_MDIO_ACCESS); -+ t |= (1 << 31); -+ fe_w32(t, FE_MDIO_ACCESS); -+ -+ err = rt2880_mdio_wait_ready(priv); -+ if (err) -+ return 0xffff; -+ -+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__, -+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff); -+ -+ return fe_r32(FE_MDIO_ACCESS) & 0xffff; -+} -+ -+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -+{ -+ struct fe_priv *priv = bus->priv; -+ int err; -+ u32 t; -+ -+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__, -+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff); -+ -+ err = rt2880_mdio_wait_ready(priv); -+ if (err) -+ return err; -+ -+ t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val; -+ fe_w32(t, FE_MDIO_ACCESS); -+ t |= (1 << 31); -+ fe_w32(t, FE_MDIO_ACCESS); -+ -+ return rt2880_mdio_wait_ready(priv); -+} -+ -+void rt2880_port_init(struct fe_priv *priv, struct device_node *np) -+{ -+ const __be32 *id = of_get_property(np, "reg", NULL); -+ const __be32 *link; -+ int size; -+ int phy_mode; -+ -+ if (!id || (be32_to_cpu(*id) != 0)) { -+ pr_err("%s: invalid port id\n", np->name); -+ return; -+ } -+ -+ priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size); -+ if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) { -+ pr_err("%s: invalid fixed link property\n", np->name); -+ priv->phy->phy_fixed[0] = NULL; -+ return; -+ } -+ -+ phy_mode = of_get_phy_mode(np); -+ switch (phy_mode) { -+ case PHY_INTERFACE_MODE_RGMII: -+ break; -+ case PHY_INTERFACE_MODE_MII: -+ break; -+ case PHY_INTERFACE_MODE_RMII: -+ break; -+ default: -+ if (!priv->phy->phy_fixed[0]) -+ dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]); -+ break; -+ } -+ -+ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0); -+ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0]) -+ return; -+ -+ if (priv->phy->phy_fixed[0]) { -+ link = priv->phy->phy_fixed[0]; -+ priv->phy->speed[0] = be32_to_cpup(link++); -+ priv->phy->duplex[0] = be32_to_cpup(link++); -+ priv->phy->tx_fc[0] = be32_to_cpup(link++); -+ priv->phy->rx_fc[0] = be32_to_cpup(link++); -+ -+ priv->link[0] = 1; -+ switch (priv->phy->speed[0]) { -+ case SPEED_10: -+ break; -+ case SPEED_100: -+ break; -+ case SPEED_1000: -+ break; -+ default: -+ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]); -+ priv->phy->phy_fixed[0] = 0; -+ return; -+ } -+ dev_info(priv->device, "using fixed link parameters\n"); -+ rt2880_mdio_link_adjust(priv, 0); -+ return; -+ } -+ if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) { -+ fe_connect_phy_node(priv, priv->phy->phy_node[0]); -+ } -+ -+ return; -+} -diff --git a/drivers/net/ethernet/ralink/mdio_rt2880.h b/drivers/net/ethernet/ralink/mdio_rt2880.h -new file mode 100644 -index 0000000..51e3633 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mdio_rt2880.h -@@ -0,0 +1,26 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _RALINK_MDIO_RT2880_H__ -+#define _RALINK_MDIO_RT2880_H__ -+ -+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port); -+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); -+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -+void rt2880_port_init(struct fe_priv *priv, struct device_node *np); -+ -+#endif -diff --git a/drivers/net/ethernet/ralink/mt7530.c b/drivers/net/ethernet/ralink/mt7530.c -new file mode 100644 -index 0000000..06b67ee ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mt7530.c -@@ -0,0 +1,579 @@ -+/* -+ * 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. -+ * -+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/if.h> -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/list.h> -+#include <linux/if_ether.h> -+#include <linux/skbuff.h> -+#include <linux/netdevice.h> -+#include <linux/netlink.h> -+#include <linux/bitops.h> -+#include <net/genetlink.h> -+#include <linux/switch.h> -+#include <linux/delay.h> -+#include <linux/phy.h> -+#include <linux/netdevice.h> -+#include <linux/etherdevice.h> -+#include <linux/lockdep.h> -+#include <linux/workqueue.h> -+#include <linux/of_device.h> -+ -+#include "mt7530.h" -+ -+#define MT7530_CPU_PORT 6 -+#define MT7530_NUM_PORTS 8 -+#define MT7530_NUM_VLANS 16 -+#define MT7530_MAX_VID 4095 -+#define MT7530_MIN_VID 0 -+ -+/* registers */ -+#define REG_ESW_VLAN_VTCR 0x90 -+#define REG_ESW_VLAN_VAWD1 0x94 -+#define REG_ESW_VLAN_VAWD2 0x98 -+#define REG_ESW_VLAN_VTIM(x) (0x100 + 4 * ((x) / 2)) -+ -+#define REG_ESW_VLAN_VAWD1_IVL_MAC BIT(30) -+#define REG_ESW_VLAN_VAWD1_VTAG_EN BIT(28) -+#define REG_ESW_VLAN_VAWD1_VALID BIT(0) -+ -+/* vlan egress mode */ -+enum { -+ ETAG_CTRL_UNTAG = 0, -+ ETAG_CTRL_TAG = 2, -+ ETAG_CTRL_SWAP = 1, -+ ETAG_CTRL_STACK = 3, -+}; -+ -+#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8)) -+#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8)) -+#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8)) -+enum { -+ /* Global attributes. */ -+ MT7530_ATTR_ENABLE_VLAN, -+}; -+ -+struct mt7530_port_entry { -+ u16 pvid; -+}; -+ -+struct mt7530_vlan_entry { -+ u16 vid; -+ u8 member; -+ u8 etags; -+}; -+ -+struct mt7530_priv { -+ void __iomem *base; -+ struct mii_bus *bus; -+ struct switch_dev swdev; -+ -+ bool global_vlan_enable; -+ struct mt7530_vlan_entry vlan_entries[MT7530_NUM_VLANS]; -+ struct mt7530_port_entry port_entries[MT7530_NUM_PORTS]; -+}; -+ -+struct mt7530_mapping { -+ char *name; -+ u16 pvids[MT7530_NUM_PORTS]; -+ u8 members[MT7530_NUM_VLANS]; -+ u8 etags[MT7530_NUM_VLANS]; -+ u16 vids[MT7530_NUM_VLANS]; -+} mt7530_defaults[] = { -+ { -+ .name = "llllw", -+ .pvids = { 1, 1, 1, 1, 2, 1, 1 }, -+ .members = { 0, 0x6f, 0x50 }, -+ .etags = { 0, 0x40, 0x40 }, -+ .vids = { 0, 1, 2 }, -+ }, { -+ .name = "wllll", -+ .pvids = { 2, 1, 1, 1, 1, 1, 1 }, -+ .members = { 0, 0x7e, 0x41 }, -+ .etags = { 0, 0x40, 0x40 }, -+ .vids = { 0, 1, 2 }, -+ }, -+}; -+ -+struct mt7530_mapping* -+mt7530_find_mapping(struct device_node *np) -+{ -+ const char *map; -+ int i; -+ -+ if (of_property_read_string(np, "ralink,port-map", &map)) -+ return NULL; -+ -+ for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++) -+ if (!strcmp(map, mt7530_defaults[i].name)) -+ return &mt7530_defaults[i]; -+ -+ return NULL; -+} -+ -+static void -+mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map) -+{ -+ int i = 0; -+ -+ mt7530->global_vlan_enable = 1; -+ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) -+ mt7530->port_entries[i].pvid = map->pvids[i]; -+ -+ for (i = 0; i < MT7530_NUM_VLANS; i++) { -+ mt7530->vlan_entries[i].member = map->members[i]; -+ mt7530->vlan_entries[i].etags = map->etags[i]; -+ mt7530->vlan_entries[i].vid = map->vids[i]; -+ } -+} -+ -+static int -+mt7530_reset_switch(struct switch_dev *dev) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ int i; -+ -+ memset(priv->port_entries, 0, sizeof(priv->port_entries)); -+ memset(priv->vlan_entries, 0, sizeof(priv->vlan_entries)); -+ -+ /* set default vid of each vlan to the same number of vlan, so the vid -+ * won't need be set explicitly. -+ */ -+ for (i = 0; i < MT7530_NUM_VLANS; i++) { -+ priv->vlan_entries[i].vid = i; -+ } -+ -+ return 0; -+} -+ -+static int -+mt7530_get_vlan_enable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ -+ val->value.i = priv->global_vlan_enable; -+ -+ return 0; -+} -+ -+static int -+mt7530_set_vlan_enable(struct switch_dev *dev, -+ const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ -+ priv->global_vlan_enable = val->value.i != 0; -+ -+ return 0; -+} -+ -+static u32 -+mt7530_r32(struct mt7530_priv *priv, u32 reg) -+{ -+ u32 val; -+ if (priv->bus) { -+ u16 high, low; -+ -+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff); -+ low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf); -+ high = mdiobus_read(priv->bus, 0x1f, 0x10); -+ -+ return (high << 16) | (low & 0xffff); -+ } -+ -+ val = ioread32(priv->base + reg); -+ pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val); -+ -+ return val; -+} -+ -+static void -+mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val) -+{ -+ if (priv->bus) { -+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff); -+ mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff); -+ mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16); -+ return; -+ } -+ -+ pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val); -+ iowrite32(val, priv->base + reg); -+} -+ -+static void -+mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val) -+{ -+ int i; -+ -+ mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val); -+ -+ for (i = 0; i < 20; i++) { -+ u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR); -+ -+ if ((val & BIT(31)) == 0) -+ break; -+ -+ udelay(1000); -+ } -+ if (i == 20) -+ printk("mt7530: vtcr timeout\n"); -+} -+ -+static int -+mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ -+ if (port >= MT7530_NUM_PORTS) -+ return -EINVAL; -+ -+ *val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(port)); -+ *val &= 0xfff; -+ -+ return 0; -+} -+ -+static int -+mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ -+ if (port >= MT7530_NUM_PORTS) -+ return -EINVAL; -+ -+ if (pvid < MT7530_MIN_VID || pvid > MT7530_MAX_VID) -+ return -EINVAL; -+ -+ priv->port_entries[port].pvid = pvid; -+ -+ return 0; -+} -+ -+static int -+mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ u32 member; -+ u32 etags; -+ int i; -+ -+ val->len = 0; -+ -+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS) -+ return -EINVAL; -+ -+ mt7530_vtcr(priv, 0, val->port_vlan); -+ -+ member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1); -+ member >>= 16; -+ member &= 0xff; -+ -+ etags = mt7530_r32(priv, REG_ESW_VLAN_VAWD2); -+ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) { -+ struct switch_port *p; -+ int etag; -+ -+ if (!(member & BIT(i))) -+ continue; -+ -+ p = &val->value.ports[val->len++]; -+ p->id = i; -+ -+ etag = (etags >> (i * 2)) & 0x3; -+ -+ if (etag == ETAG_CTRL_TAG) -+ p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED); -+ else if (etag != ETAG_CTRL_UNTAG) -+ printk("vlan egress tag control neither untag nor tag.\n"); -+ } -+ -+ return 0; -+} -+ -+static int -+mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ u8 member = 0; -+ u8 etags = 0; -+ int i; -+ -+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS || -+ val->len > MT7530_NUM_PORTS) -+ return -EINVAL; -+ -+ for (i = 0; i < val->len; i++) { -+ struct switch_port *p = &val->value.ports[i]; -+ -+ if (p->id >= MT7530_NUM_PORTS) -+ return -EINVAL; -+ -+ member |= BIT(p->id); -+ -+ if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED)) -+ etags |= BIT(p->id); -+ } -+ priv->vlan_entries[val->port_vlan].member = member; -+ priv->vlan_entries[val->port_vlan].etags = etags; -+ -+ return 0; -+} -+ -+static int -+mt7530_set_vid(struct switch_dev *dev, const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ int vlan; -+ u16 vid; -+ -+ vlan = val->port_vlan; -+ vid = (u16)val->value.i; -+ -+ if (vlan < 0 || vlan >= MT7530_NUM_VLANS) -+ return -EINVAL; -+ -+ if (vid < MT7530_MIN_VID || vid > MT7530_MAX_VID) -+ return -EINVAL; -+ -+ priv->vlan_entries[vlan].vid = vid; -+ return 0; -+} -+ -+static int -+mt7530_get_vid(struct switch_dev *dev, const struct switch_attr *attr, -+ struct switch_val *val) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ u32 vid; -+ int vlan; -+ -+ vlan = val->port_vlan; -+ -+ vid = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan)); -+ if (vlan & 1) -+ vid = vid >> 12; -+ vid &= 0xfff; -+ -+ val->value.i = vid; -+ return 0; -+} -+ -+static int -+mt7530_apply_config(struct switch_dev *dev) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ int i, j; -+ -+ if (!priv->global_vlan_enable) { -+ for (i = 0; i < MT7530_NUM_PORTS; i++) -+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0000); -+ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) -+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x8100000c); -+ -+ return 0; -+ } -+ -+ /* set all ports as security mode */ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) -+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0003); -+ -+ /* set all ports as user port */ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) -+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x81000000); -+ -+ for (i = 0; i < MT7530_NUM_VLANS; i++) { -+ u16 vid = priv->vlan_entries[i].vid; -+ u8 member = priv->vlan_entries[i].member; -+ u8 etags = priv->vlan_entries[i].etags; -+ u32 val; -+ -+ /* vid of vlan */ -+ val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(i)); -+ if (i % 2 == 0) { -+ val &= 0xfff000; -+ val |= vid; -+ } else { -+ val &= 0xfff; -+ val |= (vid << 12); -+ } -+ mt7530_w32(priv, REG_ESW_VLAN_VTIM(i), val); -+ -+ /* vlan port membership */ -+ if (member) -+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC | -+ REG_ESW_VLAN_VAWD1_VTAG_EN | (member << 16) | -+ REG_ESW_VLAN_VAWD1_VALID); -+ else -+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0); -+ -+ /* egress mode */ -+ val = 0; -+ for (j = 0; j < MT7530_NUM_PORTS; j++) { -+ if (etags & BIT(j)) -+ val |= ETAG_CTRL_TAG << (j * 2); -+ else -+ val |= ETAG_CTRL_UNTAG << (j * 2); -+ } -+ mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val); -+ -+ /* write to vlan table */ -+ mt7530_vtcr(priv, 1, i); -+ } -+ -+ /* Port Default PVID */ -+ for (i = 0; i < MT7530_NUM_PORTS; i++) { -+ u32 val; -+ val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i)); -+ val &= ~0xfff; -+ val |= priv->port_entries[i].pvid; -+ mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), val); -+ } -+ -+ return 0; -+} -+ -+static int -+mt7530_get_port_link(struct switch_dev *dev, int port, -+ struct switch_port_link *link) -+{ -+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev); -+ u32 speed, pmsr; -+ -+ if (port < 0 || port >= MT7530_NUM_PORTS) -+ return -EINVAL; -+ -+ pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port)); -+ -+ link->link = pmsr & 1; -+ link->duplex = (pmsr >> 1) & 1; -+ speed = (pmsr >> 2) & 3; -+ -+ switch (speed) { -+ case 0: -+ link->speed = SWITCH_PORT_SPEED_10; -+ break; -+ case 1: -+ link->speed = SWITCH_PORT_SPEED_100; -+ break; -+ case 2: -+ case 3: /* forced gige speed can be 2 or 3 */ -+ link->speed = SWITCH_PORT_SPEED_1000; -+ break; -+ default: -+ link->speed = SWITCH_PORT_SPEED_UNKNOWN; -+ break; -+ } -+ -+ return 0; -+} -+ -+static const struct switch_attr mt7530_global[] = { -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "enable_vlan", -+ .description = "VLAN mode (1:enabled)", -+ .max = 1, -+ .id = MT7530_ATTR_ENABLE_VLAN, -+ .get = mt7530_get_vlan_enable, -+ .set = mt7530_set_vlan_enable, -+ }, -+}; -+ -+static const struct switch_attr mt7530_port[] = { -+}; -+ -+static const struct switch_attr mt7530_vlan[] = { -+ { -+ .type = SWITCH_TYPE_INT, -+ .name = "vid", -+ .description = "VLAN ID (0-4094)", -+ .set = mt7530_set_vid, -+ .get = mt7530_get_vid, -+ .max = 4094, -+ }, -+}; -+ -+static const struct switch_dev_ops mt7530_ops = { -+ .attr_global = { -+ .attr = mt7530_global, -+ .n_attr = ARRAY_SIZE(mt7530_global), -+ }, -+ .attr_port = { -+ .attr = mt7530_port, -+ .n_attr = ARRAY_SIZE(mt7530_port), -+ }, -+ .attr_vlan = { -+ .attr = mt7530_vlan, -+ .n_attr = ARRAY_SIZE(mt7530_vlan), -+ }, -+ .get_vlan_ports = mt7530_get_vlan_ports, -+ .set_vlan_ports = mt7530_set_vlan_ports, -+ .get_port_pvid = mt7530_get_port_pvid, -+ .set_port_pvid = mt7530_set_port_pvid, -+ .get_port_link = mt7530_get_port_link, -+ .apply_config = mt7530_apply_config, -+ .reset_switch = mt7530_reset_switch, -+}; -+ -+int -+mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus) -+{ -+ struct switch_dev *swdev; -+ struct mt7530_priv *mt7530; -+ struct mt7530_mapping *map; -+ int ret; -+ -+ if (bus && bus->phy_map[0x1f]->phy_id != 0x1beef) -+ return 0; -+ -+ mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL); -+ if (!mt7530) -+ return -ENOMEM; -+ -+ mt7530->base = base; -+ mt7530->bus = bus; -+ mt7530->global_vlan_enable = 1; -+ -+ swdev = &mt7530->swdev; -+ swdev->name = "mt7530"; -+ swdev->alias = "mt7530"; -+ swdev->cpu_port = MT7530_CPU_PORT; -+ swdev->ports = MT7530_NUM_PORTS; -+ swdev->vlans = MT7530_NUM_VLANS; -+ swdev->ops = &mt7530_ops; -+ -+ ret = register_switch(swdev, NULL); -+ if (ret) { -+ dev_err(dev, "failed to register mt7530\n"); -+ return ret; -+ } -+ -+ dev_info(dev, "loaded mt7530 driver\n"); -+ -+ map = mt7530_find_mapping(dev->of_node); -+ if (map) -+ mt7530_apply_mapping(mt7530, map); -+ mt7530_apply_config(swdev); -+ -+ return 0; -+} -diff --git a/drivers/net/ethernet/ralink/mt7530.h b/drivers/net/ethernet/ralink/mt7530.h -new file mode 100644 -index 0000000..169b888 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/mt7530.h -@@ -0,0 +1,20 @@ -+/* -+ * 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. -+ * -+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef _MT7530_H__ -+#define _MT7530_H__ -+ -+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus); -+ -+#endif -diff --git a/drivers/net/ethernet/ralink/ralink_soc_eth.c b/drivers/net/ethernet/ralink/ralink_soc_eth.c -new file mode 100644 -index 0000000..f3abab7 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/ralink_soc_eth.c -@@ -0,0 +1,844 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/types.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/skbuff.h> -+#include <linux/etherdevice.h> -+#include <linux/ethtool.h> -+#include <linux/platform_device.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/of_net.h> -+#include <linux/of_mdio.h> -+#include <linux/if_vlan.h> -+#include <linux/reset.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+#include "esw_rt3052.h" -+#include "mdio.h" -+ -+#define TX_TIMEOUT (2 * HZ) -+#define MAX_RX_LENGTH 1536 -+#define DMA_DUMMY_DESC 0xffffffff -+ -+static const u32 fe_reg_table_default[FE_REG_COUNT] = { -+ [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG, -+ [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG, -+ [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG, -+ [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0, -+ [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0, -+ [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0, -+ [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0, -+ [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0, -+ [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0, -+ [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE, -+ [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS, -+}; -+ -+static const u32 *fe_reg_table = fe_reg_table_default; -+ -+static void __iomem *fe_base = 0; -+ -+void fe_w32(u32 val, unsigned reg) -+{ -+ __raw_writel(val, fe_base + reg); -+} -+ -+u32 fe_r32(unsigned reg) -+{ -+ return __raw_readl(fe_base + reg); -+} -+ -+static inline void fe_reg_w32(u32 val, enum fe_reg reg) -+{ -+ fe_w32(val, fe_reg_table[reg]); -+} -+ -+static inline u32 fe_reg_r32(enum fe_reg reg) -+{ -+ return fe_r32(fe_reg_table[reg]); -+} -+ -+static inline void fe_int_disable(u32 mask) -+{ -+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask, -+ FE_REG_FE_INT_ENABLE); -+ /* flush write */ -+ fe_reg_r32(FE_REG_FE_INT_ENABLE); -+} -+ -+static inline void fe_int_enable(u32 mask) -+{ -+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask, -+ FE_REG_FE_INT_ENABLE); -+ /* flush write */ -+ fe_reg_r32(FE_REG_FE_INT_ENABLE); -+} -+ -+static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&priv->page_lock, flags); -+ fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH); -+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], -+ FE_GDMA1_MAC_ADRL); -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+} -+ -+static int fe_set_mac_address(struct net_device *dev, void *p) -+{ -+ int ret = eth_mac_addr(dev, p); -+ -+ if (!ret) { -+ struct fe_priv *priv = netdev_priv(dev); -+ -+ if (priv->soc->set_mac) -+ priv->soc->set_mac(priv, dev->dev_addr); -+ else -+ fe_hw_set_macaddr(priv, p); -+ } -+ -+ return ret; -+} -+ -+static struct sk_buff* fe_alloc_skb(struct fe_priv *priv) -+{ -+ struct sk_buff *skb; -+ -+ skb = netdev_alloc_skb(priv->netdev, MAX_RX_LENGTH + NET_IP_ALIGN); -+ if (!skb) -+ return NULL; -+ -+ skb_reserve(skb, NET_IP_ALIGN); -+ -+ return skb; -+} -+ -+static int fe_alloc_rx(struct fe_priv *priv) -+{ -+ int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma); -+ int i; -+ -+ priv->rx_dma = dma_alloc_coherent(&priv->netdev->dev, size, -+ &priv->rx_phys, GFP_ATOMIC); -+ if (!priv->rx_dma) -+ return -ENOMEM; -+ -+ memset(priv->rx_dma, 0, size); -+ -+ for (i = 0; i < NUM_DMA_DESC; i++) { -+ priv->rx_skb[i] = fe_alloc_skb(priv); -+ if (!priv->rx_skb[i]) -+ return -ENOMEM; -+ } -+ -+ for (i = 0; i < NUM_DMA_DESC; i++) { -+ dma_addr_t dma_addr = dma_map_single(&priv->netdev->dev, -+ priv->rx_skb[i]->data, -+ MAX_RX_LENGTH, -+ DMA_FROM_DEVICE); -+ priv->rx_dma[i].rxd1 = (unsigned int) dma_addr; -+ -+ if (priv->soc->rx_dma) -+ priv->soc->rx_dma(priv, i, MAX_RX_LENGTH); -+ else -+ priv->rx_dma[i].rxd2 = RX_DMA_LSO; -+ } -+ wmb(); -+ -+ fe_reg_w32(priv->rx_phys, FE_REG_RX_BASE_PTR0); -+ fe_reg_w32(NUM_DMA_DESC, FE_REG_RX_MAX_CNT0); -+ fe_reg_w32((NUM_DMA_DESC - 1), FE_REG_RX_CALC_IDX0); -+ fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG); -+ -+ return 0; -+} -+ -+static int fe_alloc_tx(struct fe_priv *priv) -+{ -+ int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma); -+ int i; -+ -+ priv->tx_free_idx = 0; -+ -+ priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev, size, -+ &priv->tx_phys, GFP_ATOMIC); -+ if (!priv->tx_dma) -+ return -ENOMEM; -+ -+ memset(priv->tx_dma, 0, size); -+ -+ for (i = 0; i < NUM_DMA_DESC; i++) { -+ if (priv->soc->tx_dma) { -+ priv->soc->tx_dma(priv, i, NULL); -+ continue; -+ } -+ -+ priv->tx_dma[i].txd2 = TX_DMA_LSO | TX_DMA_DONE; -+ priv->tx_dma[i].txd4 = TX_DMA_QN(3) | TX_DMA_PN(1); -+ } -+ -+ fe_reg_w32(priv->tx_phys, FE_REG_TX_BASE_PTR0); -+ fe_reg_w32(NUM_DMA_DESC, FE_REG_TX_MAX_CNT0); -+ fe_reg_w32(0, FE_REG_TX_CTX_IDX0); -+ fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG); -+ -+ return 0; -+} -+ -+static void fe_free_dma(struct fe_priv *priv) -+{ -+ int i; -+ -+ for (i = 0; i < NUM_DMA_DESC; i++) { -+ if (priv->rx_skb[i]) { -+ dma_unmap_single(&priv->netdev->dev, priv->rx_dma[i].rxd1, -+ MAX_RX_LENGTH, DMA_FROM_DEVICE); -+ dev_kfree_skb_any(priv->rx_skb[i]); -+ priv->rx_skb[i] = NULL; -+ } -+ -+ if (priv->tx_skb[i]) { -+ dev_kfree_skb_any(priv->tx_skb[i]); -+ priv->tx_skb[i] = NULL; -+ } -+ } -+ -+ if (priv->rx_dma) { -+ int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma); -+ dma_free_coherent(&priv->netdev->dev, size, priv->rx_dma, -+ priv->rx_phys); -+ } -+ -+ if (priv->tx_dma) { -+ int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma); -+ dma_free_coherent(&priv->netdev->dev, size, priv->tx_dma, -+ priv->tx_phys); -+ } -+ -+ netdev_reset_queue(priv->netdev); -+} -+ -+static void fe_start_tso(struct sk_buff *skb, struct net_device *dev, unsigned int nr_frags, int idx) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ struct skb_frag_struct *frag; -+ int i; -+ -+ for (i = 0; i < nr_frags; i++) { -+ dma_addr_t mapped_addr; -+ -+ frag = &skb_shinfo(skb)->frags[i]; -+ mapped_addr = skb_frag_dma_map(&dev->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); -+ if (i % 2) { -+ idx = (idx + 1) % NUM_DMA_DESC; -+ priv->tx_dma[idx].txd1 = mapped_addr; -+ if (i == nr_frags - 1) -+ priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(frag->size); -+ else -+ priv->tx_dma[idx].txd2 = TX_DMA_PLEN0(frag->size); -+ } else { -+ priv->tx_dma[idx].txd3 = mapped_addr; -+ if (i == nr_frags - 1) -+ priv->tx_dma[idx].txd2 |= TX_DMA_LS1 | TX_DMA_PLEN1(frag->size); -+ else -+ priv->tx_dma[idx].txd2 |= TX_DMA_PLEN1(frag->size); -+ } -+ } -+} -+ -+static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev) -+{ -+ unsigned int nr_frags = skb_shinfo(skb)->nr_frags; -+ struct fe_priv *priv = netdev_priv(dev); -+ dma_addr_t mapped_addr; -+ u32 tx_next, tx, tx_num = 1; -+ int i; -+ -+ if (priv->soc->min_pkt_len) { -+ if (skb->len < priv->soc->min_pkt_len) { -+ if (skb_padto(skb, priv->soc->min_pkt_len)) { -+ printk(KERN_ERR -+ "fe_eth: skb_padto failed\n"); -+ kfree_skb(skb); -+ return 0; -+ } -+ skb_put(skb, priv->soc->min_pkt_len - skb->len); -+ } -+ } -+ -+ dev->trans_start = jiffies; -+ mapped_addr = dma_map_single(&priv->netdev->dev, skb->data, -+ skb->len, DMA_TO_DEVICE); -+ -+ spin_lock(&priv->page_lock); -+ -+ tx = fe_reg_r32(FE_REG_TX_CTX_IDX0); -+ if (priv->soc->tso && nr_frags) -+ tx_num += nr_frags >> 1; -+ tx_next = (tx + tx_num) % NUM_DMA_DESC; -+ if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) || -+ !(priv->tx_dma[tx].txd2 & TX_DMA_DONE) || -+ !(priv->tx_dma[tx_next].txd2 & TX_DMA_DONE)) -+ { -+ spin_unlock(&priv->page_lock); -+ dev->stats.tx_dropped++; -+ kfree_skb(skb); -+ -+ return NETDEV_TX_OK; -+ } -+ -+ if (priv->soc->tso) { -+ int t = tx_num; -+ -+ priv->tx_skb[(tx + t - 1) % NUM_DMA_DESC] = skb; -+ while (--t) -+ priv->tx_skb[(tx + t - 1) % NUM_DMA_DESC] = (struct sk_buff *) DMA_DUMMY_DESC; -+ } else { -+ priv->tx_skb[tx] = skb; -+ } -+ priv->tx_dma[tx].txd1 = (unsigned int) mapped_addr; -+ wmb(); -+ -+ priv->tx_dma[tx].txd4 &= ~0x80; -+ if (priv->soc->tx_dma) -+ priv->soc->tx_dma(priv, tx, skb); -+ else -+ priv->tx_dma[tx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len); -+ -+ if (skb->ip_summed == CHECKSUM_PARTIAL) -+ priv->tx_dma[tx].txd4 |= TX_DMA_CHKSUM; -+ else -+ priv->tx_dma[tx].txd4 &= ~TX_DMA_CHKSUM; -+ -+ if (priv->soc->tso) -+ fe_start_tso(skb, dev, nr_frags, tx); -+ -+ if (priv->soc->tso && (skb_shinfo(skb)->gso_segs > 1)) { -+ struct iphdr *iph = NULL; -+ struct tcphdr *th = NULL; -+ struct ipv6hdr *ip6h = NULL; -+ -+ ip6h = (struct ipv6hdr *) skb_network_header(skb); -+ iph = (struct iphdr *) skb_network_header(skb); -+ if ((iph->version == 4) && (iph->protocol == IPPROTO_TCP)) { -+ th = (struct tcphdr *)skb_transport_header(skb); -+ priv->tx_dma[tx].txd4 |= BIT(28); -+ th->check = htons(skb_shinfo(skb)->gso_size); -+ dma_cache_sync(NULL, th, sizeof(struct tcphdr), DMA_TO_DEVICE); -+ } else if ((ip6h->version == 6) && (ip6h->nexthdr == NEXTHDR_TCP)) { -+ th = (struct tcphdr *)skb_transport_header(skb); -+ priv->tx_dma[tx].txd4 |= BIT(28); -+ th->check = htons(skb_shinfo(skb)->gso_size); -+ dma_cache_sync(NULL, th, sizeof(struct tcphdr), DMA_TO_DEVICE); -+ } -+ } -+ -+ for (i = 0; i < tx_num; i++) -+ dma_cache_sync(NULL, &priv->tx_dma[tx + i], sizeof(struct fe_tx_dma), DMA_TO_DEVICE); -+ -+ dev->stats.tx_packets++; -+ dev->stats.tx_bytes += skb->len; -+ -+ wmb(); -+ fe_reg_w32(tx_next, FE_REG_TX_CTX_IDX0); -+ netdev_sent_queue(dev, skb->len); -+ -+ spin_unlock(&priv->page_lock); -+ -+ return NETDEV_TX_OK; -+} -+ -+static int fe_poll_rx(struct napi_struct *napi, int budget) -+{ -+ struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi); -+ int idx = fe_reg_r32(FE_REG_RX_CALC_IDX0); -+ int complete = 0; -+ int rx = 0; -+ -+ while ((rx < budget) && !complete) { -+ idx = (idx + 1) % NUM_DMA_DESC; -+ -+ if (priv->rx_dma[idx].rxd2 & RX_DMA_DONE) { -+ struct sk_buff *new_skb = fe_alloc_skb(priv); -+ -+ if (new_skb) { -+ int pktlen = RX_DMA_PLEN0(priv->rx_dma[idx].rxd2); -+ dma_addr_t dma_addr; -+ -+ dma_unmap_single(&priv->netdev->dev, priv->rx_dma[idx].rxd1, -+ MAX_RX_LENGTH, DMA_FROM_DEVICE); -+ -+ skb_put(priv->rx_skb[idx], pktlen); -+ priv->rx_skb[idx]->dev = priv->netdev; -+ priv->rx_skb[idx]->protocol = eth_type_trans(priv->rx_skb[idx], priv->netdev); -+ if (priv->rx_dma[idx].rxd4 & priv->soc->checksum_bit) -+ priv->rx_skb[idx]->ip_summed = CHECKSUM_UNNECESSARY; -+ else -+ priv->rx_skb[idx]->ip_summed = CHECKSUM_NONE; -+ priv->netdev->stats.rx_packets++; -+ priv->netdev->stats.rx_bytes += pktlen; -+ -+#ifdef CONFIG_INET_LRO -+ if (priv->soc->get_skb_header && priv->rx_skb[idx]->ip_summed == CHECKSUM_UNNECESSARY) -+ lro_receive_skb(&priv->lro_mgr, priv->rx_skb[idx], NULL); -+ else -+#endif -+ netif_receive_skb(priv->rx_skb[idx]); -+ -+ priv->rx_skb[idx] = new_skb; -+ -+ dma_addr = dma_map_single(&priv->netdev->dev, -+ new_skb->data, -+ MAX_RX_LENGTH, -+ DMA_FROM_DEVICE); -+ priv->rx_dma[idx].rxd1 = (unsigned int) dma_addr; -+ wmb(); -+ } else { -+ priv->netdev->stats.rx_dropped++; -+ } -+ -+ if (priv->soc->rx_dma) -+ priv->soc->rx_dma(priv, idx, MAX_RX_LENGTH); -+ else -+ priv->rx_dma[idx].rxd2 = RX_DMA_LSO; -+ fe_reg_w32(idx, FE_REG_RX_CALC_IDX0); -+ -+ rx++; -+ } else { -+ complete = 1; -+ } -+ } -+ -+#ifdef CONFIG_INET_LRO -+ if (priv->soc->get_skb_header) -+ lro_flush_all(&priv->lro_mgr); -+#endif -+ if (complete) { -+ napi_complete(&priv->rx_napi); -+ fe_int_enable(priv->soc->rx_dly_int); -+ } -+ -+ return rx; -+} -+ -+static void fe_tx_housekeeping(unsigned long ptr) -+{ -+ struct net_device *dev = (struct net_device*)ptr; -+ struct fe_priv *priv = netdev_priv(dev); -+ unsigned int bytes_compl = 0; -+ unsigned int pkts_compl = 0; -+ -+ spin_lock(&priv->page_lock); -+ while (1) { -+ struct fe_tx_dma *txd; -+ -+ txd = &priv->tx_dma[priv->tx_free_idx]; -+ -+ if (!(txd->txd2 & TX_DMA_DONE) || !(priv->tx_skb[priv->tx_free_idx])) -+ break; -+ -+ if (priv->tx_skb[priv->tx_free_idx] != (struct sk_buff *) DMA_DUMMY_DESC) { -+ bytes_compl += priv->tx_skb[priv->tx_free_idx]->len; -+ dev_kfree_skb_irq(priv->tx_skb[priv->tx_free_idx]); -+ } -+ pkts_compl++; -+ priv->tx_skb[priv->tx_free_idx] = NULL; -+ priv->tx_free_idx++; -+ if (priv->tx_free_idx >= NUM_DMA_DESC) -+ priv->tx_free_idx = 0; -+ } -+ -+ netdev_completed_queue(priv->netdev, pkts_compl, bytes_compl); -+ spin_unlock(&priv->page_lock); -+ -+ fe_int_enable(priv->soc->tx_dly_int); -+} -+ -+static void fe_tx_timeout(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ -+ tasklet_schedule(&priv->tx_tasklet); -+ priv->netdev->stats.tx_errors++; -+ netdev_err(dev, "transmit timed out, waking up the queue\n"); -+ netif_wake_queue(dev); -+} -+ -+static irqreturn_t fe_handle_irq(int irq, void *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ unsigned int status; -+ unsigned int mask; -+ -+ status = fe_reg_r32(FE_REG_FE_INT_STATUS); -+ mask = fe_reg_r32(FE_REG_FE_INT_ENABLE); -+ -+ if (!(status & mask)) -+ return IRQ_NONE; -+ -+ if (status & priv->soc->rx_dly_int) { -+ fe_int_disable(priv->soc->rx_dly_int); -+ napi_schedule(&priv->rx_napi); -+ } -+ -+ if (status & priv->soc->tx_dly_int) { -+ fe_int_disable(priv->soc->tx_dly_int); -+ tasklet_schedule(&priv->tx_tasklet); -+ } -+ -+ fe_reg_w32(status, FE_REG_FE_INT_STATUS); -+ -+ return IRQ_HANDLED; -+} -+ -+static int fe_hw_init(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ int err; -+ -+ err = devm_request_irq(priv->device, dev->irq, fe_handle_irq, 0, -+ dev_name(priv->device), dev); -+ if (err) -+ return err; -+ -+ err = fe_alloc_rx(priv); -+ if (!err) -+ err = fe_alloc_tx(priv); -+ if (err) -+ return err; -+ -+ if (priv->soc->set_mac) -+ priv->soc->set_mac(priv, dev->dev_addr); -+ else -+ fe_hw_set_macaddr(priv, dev->dev_addr); -+ -+ fe_reg_w32(FE_DELAY_INIT, FE_REG_DLY_INT_CFG); -+ -+ fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int); -+ -+ tasklet_init(&priv->tx_tasklet, fe_tx_housekeeping, (unsigned long)dev); -+ -+ if (priv->soc->fwd_config) { -+ priv->soc->fwd_config(priv); -+ } else { -+ unsigned long sysclk = priv->sysclk; -+ -+ if (!sysclk) { -+ netdev_err(dev, "unable to get clock\n"); -+ return -EINVAL; -+ } -+ -+ sysclk /= FE_US_CYC_CNT_DIVISOR; -+ sysclk <<= FE_US_CYC_CNT_SHIFT; -+ -+ fe_w32((fe_r32(FE_FE_GLO_CFG) & -+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk, -+ FE_FE_GLO_CFG); -+ -+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~0xffff, FE_GDMA1_FWD_CFG); -+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN | FE_GDM1_TCS_EN | FE_GDM1_UCS_EN), -+ FE_GDMA1_FWD_CFG); -+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN | FE_TCS_GEN_EN | FE_UCS_GEN_EN), -+ FE_CDMA_CSG_CFG); -+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG); -+ } -+ -+ fe_w32(1, FE_FE_RST_GL); -+ fe_w32(0, FE_FE_RST_GL); -+ -+ return 0; -+} -+ -+static int fe_open(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ unsigned long flags; -+ u32 val; -+ -+ spin_lock_irqsave(&priv->page_lock, flags); -+ napi_enable(&priv->rx_napi); -+ -+ val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN; -+ val |= priv->soc->pdma_glo_cfg; -+ fe_reg_w32(val, FE_REG_PDMA_GLO_CFG); -+ -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+ -+ if (priv->phy) -+ priv->phy->start(priv); -+ -+ if (priv->soc->has_carrier && priv->soc->has_carrier(priv)) -+ netif_carrier_on(dev); -+ -+ netif_start_queue(dev); -+ fe_int_enable(priv->soc->tx_dly_int | priv->soc->rx_dly_int); -+ -+ return 0; -+} -+ -+static int fe_stop(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ unsigned long flags; -+ -+ fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int); -+ -+ netif_stop_queue(dev); -+ -+ if (priv->phy) -+ priv->phy->stop(priv); -+ -+ spin_lock_irqsave(&priv->page_lock, flags); -+ napi_disable(&priv->rx_napi); -+ -+ fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) & -+ ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN), -+ FE_REG_PDMA_GLO_CFG); -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+ -+ return 0; -+} -+ -+static int __init fe_init(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ struct device_node *port; -+ int err; -+ -+ BUG_ON(!priv->soc->reset_fe); -+ priv->soc->reset_fe(); -+ -+ if (priv->soc->switch_init) -+ priv->soc->switch_init(priv); -+ -+ memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN); -+ of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr); -+ -+ err = fe_mdio_init(priv); -+ if (err) -+ return err; -+ -+ if (priv->phy) { -+ err = priv->phy->connect(priv); -+ if (err) -+ goto err_mdio_cleanup; -+ } -+ -+ if (priv->soc->port_init) -+ for_each_child_of_node(priv->device->of_node, port) -+ if (of_device_is_compatible(port, "ralink,eth-port") && of_device_is_available(port)) -+ priv->soc->port_init(priv, port); -+ -+ err = fe_hw_init(dev); -+ if (err) -+ goto err_phy_disconnect; -+ -+ if (priv->soc->switch_config) -+ priv->soc->switch_config(priv); -+ -+ return 0; -+ -+err_phy_disconnect: -+ if (priv->phy) -+ priv->phy->disconnect(priv); -+err_mdio_cleanup: -+ fe_mdio_cleanup(priv); -+ -+ return err; -+} -+ -+static void fe_uninit(struct net_device *dev) -+{ -+ struct fe_priv *priv = netdev_priv(dev); -+ -+ tasklet_kill(&priv->tx_tasklet); -+ -+ if (priv->phy) -+ priv->phy->disconnect(priv); -+ fe_mdio_cleanup(priv); -+ -+ fe_reg_w32(0, FE_REG_FE_INT_ENABLE); -+ free_irq(dev->irq, dev); -+ -+ fe_free_dma(priv); -+} -+ -+static const struct net_device_ops fe_netdev_ops = { -+ .ndo_init = fe_init, -+ .ndo_uninit = fe_uninit, -+ .ndo_open = fe_open, -+ .ndo_stop = fe_stop, -+ .ndo_start_xmit = fe_start_xmit, -+ .ndo_tx_timeout = fe_tx_timeout, -+ .ndo_set_mac_address = fe_set_mac_address, -+ .ndo_change_mtu = eth_change_mtu, -+ .ndo_validate_addr = eth_validate_addr, -+}; -+ -+static int fe_probe(struct platform_device *pdev) -+{ -+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ const struct of_device_id *match; -+ struct fe_soc_data *soc = NULL; -+ struct net_device *netdev; -+ struct fe_priv *priv; -+ struct clk *sysclk; -+ int err; -+ -+ device_reset(&pdev->dev); -+ -+ match = of_match_device(of_fe_match, &pdev->dev); -+ soc = (struct fe_soc_data *) match->data; -+ -+ if (soc->init_data) -+ soc->init_data(soc); -+ if (soc->reg_table) -+ fe_reg_table = soc->reg_table; -+ -+ fe_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!fe_base) -+ return -ENOMEM; -+ -+ netdev = alloc_etherdev(sizeof(struct fe_priv)); -+ if (!netdev) { -+ dev_err(&pdev->dev, "alloc_etherdev failed\n"); -+ return -ENOMEM; -+ } -+ -+ strcpy(netdev->name, "eth%d"); -+ netdev->netdev_ops = &fe_netdev_ops; -+ netdev->base_addr = (unsigned long) fe_base; -+ netdev->watchdog_timeo = TX_TIMEOUT; -+ netdev->features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; -+ -+ if (fe_reg_table[FE_REG_FE_DMA_VID_BASE]) -+ netdev->features |= NETIF_F_HW_VLAN_CTAG_TX; -+ -+ if (soc->tso) { -+ dev_info(&pdev->dev, "Enabling TSO\n"); -+ netdev->features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IPV6_CSUM; -+ } -+ netdev->hw_features = netdev->features; -+ -+ netdev->irq = platform_get_irq(pdev, 0); -+ if (netdev->irq < 0) { -+ dev_err(&pdev->dev, "no IRQ resource found\n"); -+ kfree(netdev); -+ return -ENXIO; -+ } -+ -+ priv = netdev_priv(netdev); -+ memset(priv, 0, sizeof(struct fe_priv)); -+ spin_lock_init(&priv->page_lock); -+ -+ sysclk = devm_clk_get(&pdev->dev, NULL); -+ if (!IS_ERR(sysclk)) -+ priv->sysclk = clk_get_rate(sysclk); -+ -+ priv->netdev = netdev; -+ priv->device = &pdev->dev; -+ priv->soc = soc; -+ -+ err = register_netdev(netdev); -+ if (err) { -+ dev_err(&pdev->dev, "error bringing up device\n"); -+ kfree(netdev); -+ return err; -+ } -+ netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32); -+ -+#ifdef CONFIG_INET_LRO -+ if (priv->soc->get_skb_header) { -+ priv->lro_mgr.dev = netdev; -+ memset(&priv->lro_mgr.stats, 0, sizeof(priv->lro_mgr.stats)); -+ priv->lro_mgr.features = LRO_F_NAPI; -+ priv->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY; -+ priv->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY; -+ priv->lro_mgr.max_desc = ARRAY_SIZE(priv->lro_arr); -+ priv->lro_mgr.max_aggr = 64; -+ priv->lro_mgr.frag_align_pad = 0; -+ priv->lro_mgr.lro_arr = priv->lro_arr; -+ priv->lro_mgr.get_skb_header = priv->soc->get_skb_header; -+ } -+#endif -+ -+ platform_set_drvdata(pdev, netdev); -+ -+ netdev_info(netdev, "done loading\n"); -+ -+ return 0; -+} -+ -+static int fe_remove(struct platform_device *pdev) -+{ -+ struct net_device *dev = platform_get_drvdata(pdev); -+ struct fe_priv *priv = netdev_priv(dev); -+ -+ netif_stop_queue(dev); -+ netif_napi_del(&priv->rx_napi); -+ -+ unregister_netdev(dev); -+ free_netdev(dev); -+ -+ return 0; -+} -+ -+static struct platform_driver fe_driver = { -+ .probe = fe_probe, -+ .remove = fe_remove, -+ .driver = { -+ .name = "ralink_soc_eth", -+ .owner = THIS_MODULE, -+ .of_match_table = of_fe_match, -+ }, -+}; -+ -+static int __init init_rtfe(void) -+{ -+ int ret; -+ -+ ret = rtesw_init(); -+ if (ret) -+ return ret; -+ -+ ret = platform_driver_register(&fe_driver); -+ if (ret) -+ rtesw_exit(); -+ -+ return ret; -+} -+ -+static void __exit exit_rtfe(void) -+{ -+ platform_driver_unregister(&fe_driver); -+ rtesw_exit(); -+} -+ -+module_init(init_rtfe); -+module_exit(exit_rtfe); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -+MODULE_DESCRIPTION("Ethernet driver for Ralink SoC"); -diff --git a/drivers/net/ethernet/ralink/ralink_soc_eth.h b/drivers/net/ethernet/ralink/ralink_soc_eth.h -new file mode 100644 -index 0000000..ca16788 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/ralink_soc_eth.h -@@ -0,0 +1,384 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * based on Ralink SDK3.3 -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#ifndef FE_ETH_H -+#define FE_ETH_H -+ -+#include <linux/mii.h> -+#include <linux/interrupt.h> -+#include <linux/netdevice.h> -+#include <linux/dma-mapping.h> -+#include <linux/phy.h> -+#include <linux/inet_lro.h> -+ -+ -+enum fe_reg { -+ FE_REG_PDMA_GLO_CFG = 0, -+ FE_REG_PDMA_RST_CFG, -+ FE_REG_DLY_INT_CFG, -+ FE_REG_TX_BASE_PTR0, -+ FE_REG_TX_MAX_CNT0, -+ FE_REG_TX_CTX_IDX0, -+ FE_REG_RX_BASE_PTR0, -+ FE_REG_RX_MAX_CNT0, -+ FE_REG_RX_CALC_IDX0, -+ FE_REG_FE_INT_ENABLE, -+ FE_REG_FE_INT_STATUS, -+ FE_REG_FE_DMA_VID_BASE, -+ FE_REG_COUNT -+}; -+ -+#define NUM_DMA_DESC 0x100 -+ -+#define FE_DELAY_EN_INT 0x80 -+#define FE_DELAY_MAX_INT 0x04 -+#define FE_DELAY_MAX_TOUT 0x04 -+#define FE_DELAY_CHAN (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | FE_DELAY_MAX_TOUT) -+#define FE_DELAY_INIT ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN) -+#define FE_PSE_FQFC_CFG_INIT 0x80504000 -+ -+/* interrupt bits */ -+#define FE_CNT_PPE_AF BIT(31) -+#define FE_CNT_GDM_AF BIT(29) -+#define FE_PSE_P2_FC BIT(26) -+#define FE_PSE_BUF_DROP BIT(24) -+#define FE_GDM_OTHER_DROP BIT(23) -+#define FE_PSE_P1_FC BIT(22) -+#define FE_PSE_P0_FC BIT(21) -+#define FE_PSE_FQ_EMPTY BIT(20) -+#define FE_GE1_STA_CHG BIT(18) -+#define FE_TX_COHERENT BIT(17) -+#define FE_RX_COHERENT BIT(16) -+#define FE_TX_DONE_INT3 BIT(11) -+#define FE_TX_DONE_INT2 BIT(10) -+#define FE_TX_DONE_INT1 BIT(9) -+#define FE_TX_DONE_INT0 BIT(8) -+#define FE_RX_DONE_INT0 BIT(2) -+#define FE_TX_DLY_INT BIT(1) -+#define FE_RX_DLY_INT BIT(0) -+ -+#define RT5350_RX_DLY_INT BIT(30) -+#define RT5350_TX_DLY_INT BIT(28) -+ -+/* registers */ -+#define FE_FE_OFFSET 0x0000 -+#define FE_GDMA_OFFSET 0x0020 -+#define FE_PSE_OFFSET 0x0040 -+#define FE_GDMA2_OFFSET 0x0060 -+#define FE_CDMA_OFFSET 0x0080 -+#define FE_DMA_VID0 0x00a8 -+#define FE_PDMA_OFFSET 0x0100 -+#define FE_PPE_OFFSET 0x0200 -+#define FE_CMTABLE_OFFSET 0x0400 -+#define FE_POLICYTABLE_OFFSET 0x1000 -+ -+#define RT5350_PDMA_OFFSET 0x0800 -+#define RT5350_SDM_OFFSET 0x0c00 -+ -+#define FE_MDIO_ACCESS (FE_FE_OFFSET + 0x00) -+#define FE_MDIO_CFG (FE_FE_OFFSET + 0x04) -+#define FE_FE_GLO_CFG (FE_FE_OFFSET + 0x08) -+#define FE_FE_RST_GL (FE_FE_OFFSET + 0x0C) -+#define FE_FE_INT_STATUS (FE_FE_OFFSET + 0x10) -+#define FE_FE_INT_ENABLE (FE_FE_OFFSET + 0x14) -+#define FE_MDIO_CFG2 (FE_FE_OFFSET + 0x18) -+#define FE_FOC_TS_T (FE_FE_OFFSET + 0x1C) -+ -+#define FE_GDMA1_FWD_CFG (FE_GDMA_OFFSET + 0x00) -+#define FE_GDMA1_SCH_CFG (FE_GDMA_OFFSET + 0x04) -+#define FE_GDMA1_SHPR_CFG (FE_GDMA_OFFSET + 0x08) -+#define FE_GDMA1_MAC_ADRL (FE_GDMA_OFFSET + 0x0C) -+#define FE_GDMA1_MAC_ADRH (FE_GDMA_OFFSET + 0x10) -+ -+#define FE_GDMA2_FWD_CFG (FE_GDMA2_OFFSET + 0x00) -+#define FE_GDMA2_SCH_CFG (FE_GDMA2_OFFSET + 0x04) -+#define FE_GDMA2_SHPR_CFG (FE_GDMA2_OFFSET + 0x08) -+#define FE_GDMA2_MAC_ADRL (FE_GDMA2_OFFSET + 0x0C) -+#define FE_GDMA2_MAC_ADRH (FE_GDMA2_OFFSET + 0x10) -+ -+#define FE_PSE_FQ_CFG (FE_PSE_OFFSET + 0x00) -+#define FE_CDMA_FC_CFG (FE_PSE_OFFSET + 0x04) -+#define FE_GDMA1_FC_CFG (FE_PSE_OFFSET + 0x08) -+#define FE_GDMA2_FC_CFG (FE_PSE_OFFSET + 0x0C) -+ -+#define FE_CDMA_CSG_CFG (FE_CDMA_OFFSET + 0x00) -+#define FE_CDMA_SCH_CFG (FE_CDMA_OFFSET + 0x04) -+ -+#define MT7620A_GDMA_OFFSET 0x0600 -+#define MT7620A_GDMA1_FWD_CFG (MT7620A_GDMA_OFFSET + 0x00) -+#define MT7620A_FE_GDMA1_SCH_CFG (MT7620A_GDMA_OFFSET + 0x04) -+#define MT7620A_FE_GDMA1_SHPR_CFG (MT7620A_GDMA_OFFSET + 0x08) -+#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C) -+#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10) -+ -+#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00) -+#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04) -+#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08) -+#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C) -+#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10) -+#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14) -+#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18) -+#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C) -+#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20) -+#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24) -+#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28) -+#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C) -+#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30) -+#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34) -+#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38) -+#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C) -+#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100) -+#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104) -+#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108) -+#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C) -+#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110) -+#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114) -+#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118) -+#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C) -+#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204) -+#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208) -+#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c) -+#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220) -+#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228) -+#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280) -+ -+#define FE_PDMA_GLO_CFG (FE_PDMA_OFFSET + 0x00) -+#define FE_PDMA_RST_CFG (FE_PDMA_OFFSET + 0x04) -+#define FE_PDMA_SCH_CFG (FE_PDMA_OFFSET + 0x08) -+#define FE_DLY_INT_CFG (FE_PDMA_OFFSET + 0x0C) -+#define FE_TX_BASE_PTR0 (FE_PDMA_OFFSET + 0x10) -+#define FE_TX_MAX_CNT0 (FE_PDMA_OFFSET + 0x14) -+#define FE_TX_CTX_IDX0 (FE_PDMA_OFFSET + 0x18) -+#define FE_TX_DTX_IDX0 (FE_PDMA_OFFSET + 0x1C) -+#define FE_TX_BASE_PTR1 (FE_PDMA_OFFSET + 0x20) -+#define FE_TX_MAX_CNT1 (FE_PDMA_OFFSET + 0x24) -+#define FE_TX_CTX_IDX1 (FE_PDMA_OFFSET + 0x28) -+#define FE_TX_DTX_IDX1 (FE_PDMA_OFFSET + 0x2C) -+#define FE_RX_BASE_PTR0 (FE_PDMA_OFFSET + 0x30) -+#define FE_RX_MAX_CNT0 (FE_PDMA_OFFSET + 0x34) -+#define FE_RX_CALC_IDX0 (FE_PDMA_OFFSET + 0x38) -+#define FE_RX_DRX_IDX0 (FE_PDMA_OFFSET + 0x3C) -+#define FE_TX_BASE_PTR2 (FE_PDMA_OFFSET + 0x40) -+#define FE_TX_MAX_CNT2 (FE_PDMA_OFFSET + 0x44) -+#define FE_TX_CTX_IDX2 (FE_PDMA_OFFSET + 0x48) -+#define FE_TX_DTX_IDX2 (FE_PDMA_OFFSET + 0x4C) -+#define FE_TX_BASE_PTR3 (FE_PDMA_OFFSET + 0x50) -+#define FE_TX_MAX_CNT3 (FE_PDMA_OFFSET + 0x54) -+#define FE_TX_CTX_IDX3 (FE_PDMA_OFFSET + 0x58) -+#define FE_TX_DTX_IDX3 (FE_PDMA_OFFSET + 0x5C) -+#define FE_RX_BASE_PTR1 (FE_PDMA_OFFSET + 0x60) -+#define FE_RX_MAX_CNT1 (FE_PDMA_OFFSET + 0x64) -+#define FE_RX_CALC_IDX1 (FE_PDMA_OFFSET + 0x68) -+#define FE_RX_DRX_IDX1 (FE_PDMA_OFFSET + 0x6C) -+ -+#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) //Switch DMA configuration -+#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) //Switch DMA Rx Ring -+#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) //Switch DMA Tx Ring -+#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) //Switch MAC address LSB -+#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) //Switch MAC Address MSB -+#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count -+#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count -+#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count -+#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count -+#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count -+ -+#define RT5350_SDM_ICS_EN BIT(16) -+#define RT5350_SDM_TCS_EN BIT(17) -+#define RT5350_SDM_UCS_EN BIT(18) -+ -+ -+/* MDIO_CFG register bits */ -+#define FE_MDIO_CFG_AUTO_POLL_EN BIT(29) -+#define FE_MDIO_CFG_GP1_BP_EN BIT(16) -+#define FE_MDIO_CFG_GP1_FRC_EN BIT(15) -+#define FE_MDIO_CFG_GP1_SPEED_10 (0 << 13) -+#define FE_MDIO_CFG_GP1_SPEED_100 (1 << 13) -+#define FE_MDIO_CFG_GP1_SPEED_1000 (2 << 13) -+#define FE_MDIO_CFG_GP1_DUPLEX BIT(12) -+#define FE_MDIO_CFG_GP1_FC_TX BIT(11) -+#define FE_MDIO_CFG_GP1_FC_RX BIT(10) -+#define FE_MDIO_CFG_GP1_LNK_DWN BIT(9) -+#define FE_MDIO_CFG_GP1_AN_FAIL BIT(8) -+#define FE_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6) -+#define FE_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6) -+#define FE_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6) -+#define FE_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6) -+#define FE_MDIO_CFG_TURBO_MII_FREQ BIT(5) -+#define FE_MDIO_CFG_TURBO_MII_MODE BIT(4) -+#define FE_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2) -+#define FE_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2) -+#define FE_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2) -+#define FE_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2) -+#define FE_MDIO_CFG_TX_CLK_SKEW_0 0 -+#define FE_MDIO_CFG_TX_CLK_SKEW_200 1 -+#define FE_MDIO_CFG_TX_CLK_SKEW_400 2 -+#define FE_MDIO_CFG_TX_CLK_SKEW_INV 3 -+ -+/* uni-cast port */ -+#define FE_GDM1_ICS_EN BIT(22) -+#define FE_GDM1_TCS_EN BIT(21) -+#define FE_GDM1_UCS_EN BIT(20) -+#define FE_GDM1_JMB_EN BIT(19) -+#define FE_GDM1_STRPCRC BIT(16) -+#define FE_GDM1_UFRC_P_CPU (0 << 12) -+#define FE_GDM1_UFRC_P_GDMA1 (1 << 12) -+#define FE_GDM1_UFRC_P_PPE (6 << 12) -+ -+/* checksums */ -+#define FE_ICS_GEN_EN BIT(2) -+#define FE_UCS_GEN_EN BIT(1) -+#define FE_TCS_GEN_EN BIT(0) -+ -+/* dma ring */ -+#define FE_PST_DRX_IDX0 BIT(16) -+#define FE_PST_DTX_IDX3 BIT(3) -+#define FE_PST_DTX_IDX2 BIT(2) -+#define FE_PST_DTX_IDX1 BIT(1) -+#define FE_PST_DTX_IDX0 BIT(0) -+ -+#define FE_TX_WB_DDONE BIT(6) -+#define FE_RX_DMA_BUSY BIT(3) -+#define FE_TX_DMA_BUSY BIT(1) -+#define FE_RX_DMA_EN BIT(2) -+#define FE_TX_DMA_EN BIT(0) -+ -+#define FE_PDMA_SIZE_4DWORDS (0 << 4) -+#define FE_PDMA_SIZE_8DWORDS (1 << 4) -+#define FE_PDMA_SIZE_16DWORDS (2 << 4) -+ -+#define FE_US_CYC_CNT_MASK 0xff -+#define FE_US_CYC_CNT_SHIFT 0x8 -+#define FE_US_CYC_CNT_DIVISOR 1000000 -+ -+#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff) -+#define RX_DMA_LSO BIT(30) -+#define RX_DMA_DONE BIT(31) -+#define RX_DMA_L4VALID BIT(30) -+ -+struct fe_rx_dma { -+ unsigned int rxd1; -+ unsigned int rxd2; -+ unsigned int rxd3; -+ unsigned int rxd4; -+} __packed __aligned(4); -+ -+#define TX_DMA_PLEN0_MASK ((0x3fff) << 16) -+#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) -+#define TX_DMA_PLEN1(_x) ((_x) & 0x3fff) -+#define TX_DMA_LS1 BIT(14) -+#define TX_DMA_LSO BIT(30) -+#define TX_DMA_DONE BIT(31) -+#define TX_DMA_QN(_x) ((_x) << 16) -+#define TX_DMA_PN(_x) ((_x) << 24) -+#define TX_DMA_QN_MASK TX_DMA_QN(0x7) -+#define TX_DMA_PN_MASK TX_DMA_PN(0x7) -+#define TX_DMA_CHKSUM (0x7 << 29) -+ -+struct fe_tx_dma { -+ unsigned int txd1; -+ unsigned int txd2; -+ unsigned int txd3; -+ unsigned int txd4; -+} __packed __aligned(4); -+ -+struct fe_priv; -+ -+struct fe_phy { -+ struct phy_device *phy[8]; -+ struct device_node *phy_node[8]; -+ const __be32 *phy_fixed[8]; -+ int duplex[8]; -+ int speed[8]; -+ int tx_fc[8]; -+ int rx_fc[8]; -+ spinlock_t lock; -+ -+ int (*connect)(struct fe_priv *priv); -+ void (*disconnect)(struct fe_priv *priv); -+ void (*start)(struct fe_priv *priv); -+ void (*stop)(struct fe_priv *priv); -+}; -+ -+struct fe_soc_data -+{ -+ unsigned char mac[6]; -+ const u32 *reg_table; -+ -+ void (*init_data)(struct fe_soc_data *data); -+ void (*reset_fe)(void); -+ void (*set_mac)(struct fe_priv *priv, unsigned char *mac); -+ void (*fwd_config)(struct fe_priv *priv); -+ void (*tx_dma)(struct fe_priv *priv, int idx, struct sk_buff *skb); -+ void (*rx_dma)(struct fe_priv *priv, int idx, int len); -+ int (*switch_init)(struct fe_priv *priv); -+ int (*switch_config)(struct fe_priv *priv); -+ void (*port_init)(struct fe_priv *priv, struct device_node *port); -+ int (*has_carrier)(struct fe_priv *priv); -+ int (*mdio_init)(struct fe_priv *priv); -+ void (*mdio_cleanup)(struct fe_priv *priv); -+ int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -+ int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg); -+ void (*mdio_adjust_link)(struct fe_priv *priv, int port); -+ int (*get_skb_header)(struct sk_buff *skb, void **iphdr, void **tcph, u64 *hdr_flags, void *priv); -+ -+ void *swpriv; -+ u32 pdma_glo_cfg; -+ u32 rx_dly_int; -+ u32 tx_dly_int; -+ u32 checksum_bit; -+ u32 tso; -+ -+ int min_pkt_len; -+}; -+ -+struct fe_priv -+{ -+ spinlock_t page_lock; -+ -+ struct fe_soc_data *soc; -+ struct net_device *netdev; -+ struct device *device; -+ unsigned long sysclk; -+ -+ struct fe_rx_dma *rx_dma; -+ struct napi_struct rx_napi; -+ struct sk_buff *rx_skb[NUM_DMA_DESC]; -+ dma_addr_t rx_phys; -+ -+ struct fe_tx_dma *tx_dma; -+ struct tasklet_struct tx_tasklet; -+ struct sk_buff *tx_skb[NUM_DMA_DESC]; -+ dma_addr_t tx_phys; -+ unsigned int tx_free_idx; -+ -+ struct fe_phy *phy; -+ struct mii_bus *mii_bus; -+ int mii_irq[PHY_MAX_ADDR]; -+ -+ int link[8]; -+ -+ struct net_lro_mgr lro_mgr; -+ struct net_lro_desc lro_arr[8]; -+}; -+ -+extern const struct of_device_id of_fe_match[]; -+ -+void fe_w32(u32 val, unsigned reg); -+u32 fe_r32(unsigned reg); -+ -+#endif /* FE_ETH_H */ -diff --git a/drivers/net/ethernet/ralink/soc_mt7620.c b/drivers/net/ethernet/ralink/soc_mt7620.c -new file mode 100644 -index 0000000..79b7b85 ---- /dev/null -+++ b/drivers/net/ethernet/ralink/soc_mt7620.c -@@ -0,0 +1,172 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/if_vlan.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include <mt7620.h> -+#include "ralink_soc_eth.h" -+#include "gsw_mt7620a.h" -+ -+#define MT7620A_CDMA_CSG_CFG 0x400 -+#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30) -+#define MT7620A_DMA_2B_OFFSET BIT(31) -+#define MT7620A_RESET_FE BIT(21) -+#define MT7620A_RESET_ESW BIT(23) -+#define MT7620_L4_VALID BIT(23) -+ -+#define SYSC_REG_RESET_CTRL 0x34 -+#define MAX_RX_LENGTH 1536 -+ -+#define CDMA_ICS_EN BIT(2) -+#define CDMA_UCS_EN BIT(1) -+#define CDMA_TCS_EN BIT(0) -+ -+#define GDMA_ICS_EN BIT(22) -+#define GDMA_TCS_EN BIT(21) -+#define GDMA_UCS_EN BIT(20) -+ -+static const u32 rt5350_reg_table[FE_REG_COUNT] = { -+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG, -+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG, -+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG, -+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0, -+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0, -+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0, -+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0, -+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0, -+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0, -+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE, -+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS, -+ [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID, -+}; -+ -+static void mt7620_fe_reset(void) -+{ -+ rt_sysc_w32(MT7620A_RESET_FE | MT7620A_RESET_ESW, SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL); -+} -+ -+static void mt7620_fwd_config(struct fe_priv *priv) -+{ -+ int i; -+ -+ /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc. */ -+ for (i = 0; i < 16; i += 2) -+ fe_w32(((i + 1) << 16) + i, MT7620_DMA_VID + (i * 2)); -+ -+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG); -+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN | GDMA_TCS_EN | GDMA_UCS_EN), MT7620A_GDMA1_FWD_CFG); -+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN | CDMA_UCS_EN | CDMA_TCS_EN), MT7620A_CDMA_CSG_CFG); -+} -+ -+static void mt7620_tx_dma(struct fe_priv *priv, int idx, struct sk_buff *skb) -+{ -+ unsigned int nr_frags = 0; -+ unsigned int len = 0; -+ -+ if (skb) { -+ nr_frags = skb_shinfo(skb)->nr_frags; -+ len = skb->len - skb->data_len; -+ } -+ -+ if (!skb) -+ priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_DONE; -+ else if (!nr_frags) -+ priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(len); -+ else -+ priv->tx_dma[idx].txd2 = TX_DMA_PLEN0(len); -+ -+ if(skb && vlan_tx_tag_present(skb)) -+ priv->tx_dma[idx].txd4 = 0x80 | (vlan_tx_tag_get(skb) >> 13) << 4 | (vlan_tx_tag_get(skb) & 0xF); -+ else -+ priv->tx_dma[idx].txd4 = 0; -+} -+ -+static void mt7620_rx_dma(struct fe_priv *priv, int idx, int len) -+{ -+ priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len); -+} -+ -+#ifdef CONFIG_INET_LRO -+static int -+mt7620_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph, -+ u64 *hdr_flags, void *_priv) -+{ -+ struct iphdr *iph = NULL; -+ int vhdr_len = 0; -+ -+ /* -+ * Make sure that this packet is Ethernet II, is not VLAN -+ * tagged, is IPv4, has a valid IP header, and is TCP. -+ */ -+ if (skb->protocol == 0x0081) -+ vhdr_len = VLAN_HLEN; -+ -+ iph = (struct iphdr *)(skb->data + vhdr_len); -+ if(iph->protocol != IPPROTO_TCP) -+ return -1; -+ -+ *iphdr = iph; -+ *tcph = skb->data + (iph->ihl << 2) + vhdr_len; -+ *hdr_flags = LRO_IPV4 | LRO_TCP; -+ -+ return 0; -+} -+#endif -+ -+static void mt7620_init_data(struct fe_soc_data *data) -+{ -+ if (mt7620_get_eco() >= 5) -+ data->tso = 1; -+} -+ -+static struct fe_soc_data mt7620_data = { -+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, -+ .init_data = mt7620_init_data, -+ .reset_fe = mt7620_fe_reset, -+ .set_mac = mt7620_set_mac, -+ .fwd_config = mt7620_fwd_config, -+ .tx_dma = mt7620_tx_dma, -+ .rx_dma = mt7620_rx_dma, -+ .switch_init = mt7620_gsw_probe, -+ .switch_config = mt7620_gsw_config, -+ .port_init = mt7620_port_init, -+ .min_pkt_len = 0, -+ .reg_table = rt5350_reg_table, -+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET, -+ .rx_dly_int = RT5350_RX_DLY_INT, -+ .tx_dly_int = RT5350_TX_DLY_INT, -+ .checksum_bit = MT7620_L4_VALID, -+ .has_carrier = mt7620a_has_carrier, -+ .mdio_read = mt7620_mdio_read, -+ .mdio_write = mt7620_mdio_write, -+ .mdio_adjust_link = mt7620_mdio_link_adjust, -+#ifdef CONFIG_INET_LRO -+ .get_skb_header = mt7620_get_skb_header, -+#endif -+}; -+ -+const struct of_device_id of_fe_match[] = { -+ { .compatible = "ralink,mt7620a-eth", .data = &mt7620_data }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, of_fe_match); -diff --git a/drivers/net/ethernet/ralink/soc_rt2880.c b/drivers/net/ethernet/ralink/soc_rt2880.c -new file mode 100644 -index 0000000..e0c418b ---- /dev/null -+++ b/drivers/net/ethernet/ralink/soc_rt2880.c -@@ -0,0 +1,52 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+#include "mdio_rt2880.h" -+ -+#define SYSC_REG_RESET_CTRL 0x034 -+#define RT2880_RESET_FE BIT(18) -+ -+void rt2880_fe_reset(void) -+{ -+ rt_sysc_w32(RT2880_RESET_FE, SYSC_REG_RESET_CTRL); -+} -+ -+struct fe_soc_data rt2880_data = { -+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, -+ .reset_fe = rt2880_fe_reset, -+ .min_pkt_len = 64, -+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS, -+ .checksum_bit = RX_DMA_L4VALID, -+ .rx_dly_int = FE_RX_DLY_INT, -+ .tx_dly_int = FE_TX_DLY_INT, -+ .mdio_read = rt2880_mdio_read, -+ .mdio_write = rt2880_mdio_write, -+ .mdio_adjust_link = rt2880_mdio_link_adjust, -+ .port_init = rt2880_port_init, -+}; -+ -+const struct of_device_id of_fe_match[] = { -+ { .compatible = "ralink,rt2880-eth", .data = &rt2880_data }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, of_fe_match); -diff --git a/drivers/net/ethernet/ralink/soc_rt305x.c b/drivers/net/ethernet/ralink/soc_rt305x.c -new file mode 100644 -index 0000000..482ca1f ---- /dev/null -+++ b/drivers/net/ethernet/ralink/soc_rt305x.c -@@ -0,0 +1,113 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+ -+#define RT305X_RESET_FE BIT(21) -+#define RT305X_RESET_ESW BIT(23) -+#define SYSC_REG_RESET_CTRL 0x034 -+ -+static const u32 rt5350_reg_table[FE_REG_COUNT] = { -+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG, -+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG, -+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG, -+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0, -+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0, -+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0, -+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0, -+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0, -+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0, -+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE, -+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS, -+ [FE_REG_FE_DMA_VID_BASE] = 0, -+}; -+ -+static void rt305x_fe_reset(void) -+{ -+ rt_sysc_w32(RT305X_RESET_FE, SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL); -+} -+ -+static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&priv->page_lock, flags); -+ fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH); -+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], -+ RT5350_SDM_MAC_ADRL); -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+} -+ -+static void rt5350_fwd_config(struct fe_priv *priv) -+{ -+ unsigned long sysclk = priv->sysclk; -+ -+ if (sysclk) { -+ sysclk /= FE_US_CYC_CNT_DIVISOR; -+ sysclk <<= FE_US_CYC_CNT_SHIFT; -+ -+ fe_w32((fe_r32(FE_FE_GLO_CFG) & -+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk, -+ FE_FE_GLO_CFG); -+ } -+ -+ fe_w32(fe_r32(RT5350_SDM_CFG) & ~0xffff, RT5350_SDM_CFG); -+ fe_w32(fe_r32(RT5350_SDM_CFG) | RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN, -+ RT5350_SDM_CFG); -+} -+ -+static void rt5350_fe_reset(void) -+{ -+ rt_sysc_w32(RT305X_RESET_FE | RT305X_RESET_ESW, SYSC_REG_RESET_CTRL); -+ rt_sysc_w32(0, SYSC_REG_RESET_CTRL); -+} -+ -+static struct fe_soc_data rt3050_data = { -+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, -+ .reset_fe = rt305x_fe_reset, -+ .min_pkt_len = 64, -+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS, -+ .checksum_bit = RX_DMA_L4VALID, -+ .rx_dly_int = FE_RX_DLY_INT, -+ .tx_dly_int = FE_TX_DLY_INT, -+}; -+ -+static struct fe_soc_data rt5350_data = { -+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, -+ .reg_table = rt5350_reg_table, -+ .reset_fe = rt5350_fe_reset, -+ .set_mac = rt5350_set_mac, -+ .fwd_config = rt5350_fwd_config, -+ .min_pkt_len = 64, -+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS, -+ .checksum_bit = RX_DMA_L4VALID, -+ .rx_dly_int = RT5350_RX_DLY_INT, -+ .tx_dly_int = RT5350_TX_DLY_INT, -+}; -+ -+const struct of_device_id of_fe_match[] = { -+ { .compatible = "ralink,rt3050-eth", .data = &rt3050_data }, -+ { .compatible = "ralink,rt5350-eth", .data = &rt5350_data }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, of_fe_match); -diff --git a/drivers/net/ethernet/ralink/soc_rt3883.c b/drivers/net/ethernet/ralink/soc_rt3883.c -new file mode 100644 -index 0000000..c660529c ---- /dev/null -+++ b/drivers/net/ethernet/ralink/soc_rt3883.c -@@ -0,0 +1,60 @@ -+/* -+ * 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; version 2 of the License -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#include "ralink_soc_eth.h" -+#include "mdio_rt2880.h" -+ -+#define RT3883_SYSC_REG_RSTCTRL 0x34 -+#define RT3883_RSTCTRL_FE BIT(21) -+ -+static void rt3883_fe_reset(void) -+{ -+ u32 t; -+ -+ t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL); -+ t |= RT3883_RSTCTRL_FE; -+ rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL); -+ -+ t &= ~RT3883_RSTCTRL_FE; -+ rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL); -+} -+ -+static struct fe_soc_data rt3883_data = { -+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, -+ .reset_fe = rt3883_fe_reset, -+ .min_pkt_len = 64, -+ .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS, -+ .rx_dly_int = FE_RX_DLY_INT, -+ .tx_dly_int = FE_TX_DLY_INT, -+ .checksum_bit = RX_DMA_L4VALID, -+ .mdio_read = rt2880_mdio_read, -+ .mdio_write = rt2880_mdio_write, -+ .mdio_adjust_link = rt2880_mdio_link_adjust, -+ .port_init = rt2880_port_init, -+}; -+ -+const struct of_device_id of_fe_match[] = { -+ { .compatible = "ralink,rt3883-eth", .data = &rt3883_data }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, of_fe_match); -+ --- -1.7.10.4 - |