diff options
Diffstat (limited to 'target/linux/ramips/patches-4.3/0502-net-next-mediatek-add-switch-driver-for-rt3050.patch')
-rw-r--r-- | target/linux/ramips/patches-4.3/0502-net-next-mediatek-add-switch-driver-for-rt3050.patch | 691 |
1 files changed, 0 insertions, 691 deletions
diff --git a/target/linux/ramips/patches-4.3/0502-net-next-mediatek-add-switch-driver-for-rt3050.patch b/target/linux/ramips/patches-4.3/0502-net-next-mediatek-add-switch-driver-for-rt3050.patch deleted file mode 100644 index 675888f980..0000000000 --- a/target/linux/ramips/patches-4.3/0502-net-next-mediatek-add-switch-driver-for-rt3050.patch +++ /dev/null @@ -1,691 +0,0 @@ -From 2c39ddc83452c34fedc86261ed1f96d7537adfd1 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 14 Dec 2015 21:28:10 +0100 -Subject: [PATCH 502/513] net-next: mediatek: add switch driver for rt3050 - -This driver is very basic and only provides basic init and irq support. -Switchdev support for this device will follow. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/esw_rt3050.c | 640 ++++++++++++++++++++++++++++ - drivers/net/ethernet/mediatek/esw_rt3050.h | 29 ++ - 2 files changed, 669 insertions(+) - create mode 100644 drivers/net/ethernet/mediatek/esw_rt3050.c - create mode 100644 drivers/net/ethernet/mediatek/esw_rt3050.h - ---- /dev/null -+++ b/drivers/net/ethernet/mediatek/esw_rt3050.c -@@ -0,0 +1,640 @@ -+/* 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. -+ * -+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org> -+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@openwrt.org> -+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com> -+ */ -+ -+#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 "mtk_eth_soc.h" -+ -+#include <linux/ioport.h> -+#include <linux/mii.h> -+ -+#include <ralink_regs.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_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_PORTS 7 -+#define RT305X_ESW_NUM_LEDS 5 -+ -+#define RT5350_EWS_REG_LED_POLARITY 0x168 -+#define RT5350_RESET_EPHY BIT(24) -+ -+struct esw_port { -+ bool disable; -+ u8 led; -+}; -+ -+struct rt305x_esw { -+ struct device *dev; -+ void __iomem *base; -+ int irq; -+ -+ /* Protects against concurrent register r/w operations. */ -+ spinlock_t reg_rw_lock; -+ -+ unsigned char port_map; -+ unsigned int reg_led_polarity; -+ -+ 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) -+ dev_err(esw->dev, "ramips_eth: MDIO timeout\n"); -+ return ret; -+} -+ -+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_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); -+ -+ esw_w32(esw, 0x00d6500c, 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); -+ -+ /* 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 -+ */ -+ esw_w32(esw, 0x3f502b28, 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 (ralink_soc == RT305X_SOC_RT3352) { -+ /* reset EPHY */ -+ fe_reset(RT5350_RESET_EPHY); -+ -+ 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 (ralink_soc == RT305X_SOC_RT5350) { -+ /* reset EPHY */ -+ fe_reset(RT5350_RESET_EPHY); -+ -+ /* 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 if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) { -+ int i; -+ -+ /* reset EPHY */ -+ fe_reset(RT5350_RESET_EPHY); -+ -+ rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */ -+ rt305x_mii_write(esw, 0, 26, 0x0020); -+ -+ for (i = 0; i < 5; i++) { -+ rt305x_mii_write(esw, i, 31, 0x8000); -+ rt305x_mii_write(esw, i, 0, 0x3100); -+ rt305x_mii_write(esw, i, 30, 0xa000); -+ rt305x_mii_write(esw, i, 31, 0xa000); -+ rt305x_mii_write(esw, i, 16, 0x0606); -+ rt305x_mii_write(esw, i, 23, 0x0f0e); -+ rt305x_mii_write(esw, i, 24, 0x1610); -+ rt305x_mii_write(esw, i, 30, 0x1f15); -+ rt305x_mii_write(esw, i, 28, 0x6111); -+ rt305x_mii_write(esw, i, 31, 0x2000); -+ rt305x_mii_write(esw, i, 26, 0x0000); -+ } -+ -+ /* 100Base AOI setting */ -+ rt305x_mii_write(esw, 0, 31, 0x5000); -+ rt305x_mii_write(esw, 0, 19, 0x004a); -+ rt305x_mii_write(esw, 0, 20, 0x015a); -+ rt305x_mii_write(esw, 0, 21, 0x00ee); -+ rt305x_mii_write(esw, 0, 22, 0x0033); -+ rt305x_mii_write(esw, 0, 23, 0x020a); -+ rt305x_mii_write(esw, 0, 24, 0x0000); -+ rt305x_mii_write(esw, 0, 25, 0x024a); -+ rt305x_mii_write(esw, 0, 26, 0x035a); -+ rt305x_mii_write(esw, 0, 27, 0x02ee); -+ rt305x_mii_write(esw, 0, 28, 0x0233); -+ rt305x_mii_write(esw, 0, 29, 0x000a); -+ rt305x_mii_write(esw, 0, 30, 0x0000); -+ } 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; -+ -+ /* 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_probe(struct platform_device *pdev) -+{ -+ struct resource *res = platform_get_resource(p, IORESOURCE_MEM, 0); -+ struct device_node *np = pdev->dev.of_node; -+ const __be32 *port_map, *reg_init; -+ struct rt305x_esw *esw; -+ struct resource *irq; -+ int ret; -+ -+ esw = devm_kzalloc(&pdev->dev, sizeof(*esw), GFP_KERNEL); -+ if (!esw) -+ return -ENOMEM; -+ -+ esw->dev = &pdev->dev; -+ esw->irq = irq->start; -+ esw->base = devm_ioremap_resource(&pdev->dev, res); -+ if (!esw->base) -+ return -EADDRNOTAVAIL; -+ -+ port_map = of_get_property(np, "mediatek,portmap", NULL); -+ if (port_map) -+ esw->port_map = be32_to_cpu(*port_map); -+ -+ reg_init = of_get_property(np, "mediatek,led_polarity", NULL); -+ if (reg_init) -+ esw->reg_led_polarity = be32_to_cpu(*reg_init); -+ -+ platform_set_drvdata(pdev, esw); -+ -+ spin_lock_init(&esw->reg_rw_lock); -+ -+ esw_hw_init(esw); -+ -+ ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw", -+ esw); -+ -+ if (!ret) { -+ esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR); -+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR); -+ } -+ -+ return ret; -+} -+ -+static int esw_remove(struct platform_device *pdev) -+{ -+ struct rt305x_esw *esw = platform_get_drvdata(pdev); -+ -+ if (esw) { -+ esw_w32(esw, ~0, RT305X_ESW_REG_IMR); -+ platform_set_drvdata(pdev, NULL); -+ } -+ -+ return 0; -+} -+ -+static const struct of_device_id ralink_esw_match[] = { -+ { .compatible = "ralink,rt3050-esw" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, ralink_esw_match); -+ -+static struct platform_driver esw_driver = { -+ .probe = esw_probe, -+ .remove = esw_remove, -+ .driver = { -+ .name = "rt3050-esw", -+ .owner = THIS_MODULE, -+ .of_match_table = ralink_esw_match, -+ }, -+}; -+ -+int __init mtk_switch_init(void) -+{ -+ return platform_driver_register(&esw_driver); -+} -+ -+void mtk_switch_exit(void) -+{ -+ platform_driver_unregister(&esw_driver); -+} ---- /dev/null -+++ b/drivers/net/ethernet/mediatek/esw_rt3050.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. -+ * -+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org> -+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@openwrt.org> -+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com> -+ */ -+ -+#ifndef _RALINK_ESW_RT3052_H__ -+#define _RALINK_ESW_RT3052_H__ -+ -+#ifdef CONFIG_NET_MEDIATEK_ESW_RT3052 -+ -+int __init mtk_switch_init(void); -+void mtk_switch_exit(void); -+ -+#else -+ -+static inline int __init mtk_switch_init(void) { return 0; } -+static inline void mtk_switch_exit(void) { } -+ -+#endif -+#endif |