From 4aa5d3e60d6007809a4b7fac9959645ef1600cf9 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 29 Sep 2016 12:16:51 +0200 Subject: mvebu: add support for SFP Add patches for SFP support and package it for ClearFog. Tested with a Juniper SFP module. Signed-off-by: Jonas Gorski Acked-by: Felix Fietkau --- ...xed_phy-MII-register-generation-to-a-libr.patch | 306 +++++++++++++++++++++ 1 file changed, 306 insertions(+) create mode 100644 target/linux/mvebu/patches-4.4/120-phy-move-fixed_phy-MII-register-generation-to-a-libr.patch (limited to 'target/linux/mvebu/patches-4.4/120-phy-move-fixed_phy-MII-register-generation-to-a-libr.patch') diff --git a/target/linux/mvebu/patches-4.4/120-phy-move-fixed_phy-MII-register-generation-to-a-libr.patch b/target/linux/mvebu/patches-4.4/120-phy-move-fixed_phy-MII-register-generation-to-a-libr.patch new file mode 100644 index 0000000000..00745f1c9b --- /dev/null +++ b/target/linux/mvebu/patches-4.4/120-phy-move-fixed_phy-MII-register-generation-to-a-libr.patch @@ -0,0 +1,306 @@ +From 4d5621372f6e7ddbfd5879602f82073987bcc722 Mon Sep 17 00:00:00 2001 +From: Russell King +Date: Sun, 20 Sep 2015 09:57:10 +0100 +Subject: [PATCH 709/744] phy: move fixed_phy MII register generation to a + library + +Move the fixed_phy MII register generation to a library to allow other +software phy implementations to use this code. + +Reviewed-by: Florian Fainelli +Signed-off-by: Russell King +--- + drivers/net/phy/Kconfig | 4 ++ + drivers/net/phy/Makefile | 3 +- + drivers/net/phy/fixed_phy.c | 95 ++------------------------------- + drivers/net/phy/swphy.c | 126 ++++++++++++++++++++++++++++++++++++++++++++ + drivers/net/phy/swphy.h | 8 +++ + 5 files changed, 143 insertions(+), 93 deletions(-) + create mode 100644 drivers/net/phy/swphy.c + create mode 100644 drivers/net/phy/swphy.h + +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -26,6 +26,9 @@ config SWCONFIG_LEDS + bool "Switch LED trigger support" + depends on (SWCONFIG && LEDS_TRIGGERS) + ++config SWPHY ++ bool ++ + comment "MII PHY device drivers" + + config AQUANTIA_PHY +@@ -205,6 +208,7 @@ config RTL8306_PHY + config FIXED_PHY + tristate "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB ++ select SWPHY + ---help--- + Adds the platform "fixed" MDIO Bus to cover the boards that use + PHYs that are not connected to the real MDIO bus. +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -1,6 +1,7 @@ + # Makefile for Linux PHY drivers + +-libphy-objs := phy.o phy_device.o mdio_bus.o ++libphy-y := phy.o phy_device.o mdio_bus.o ++libphy-$(CONFIG_SWPHY) += swphy.o + + obj-$(CONFIG_MDIO_BOARDINFO) += mdio-boardinfo.o + +--- a/drivers/net/phy/fixed_phy.c ++++ b/drivers/net/phy/fixed_phy.c +@@ -24,6 +24,8 @@ + #include + #include + ++#include "swphy.h" ++ + #define MII_REGS_NUM 29 + + struct fixed_mdio_bus { +@@ -49,101 +51,10 @@ static struct fixed_mdio_bus platform_fm + + static int fixed_phy_update_regs(struct fixed_phy *fp) + { +- u16 bmsr = BMSR_ANEGCAPABLE; +- u16 bmcr = 0; +- u16 lpagb = 0; +- u16 lpa = 0; +- + if (gpio_is_valid(fp->link_gpio)) + fp->status.link = !!gpio_get_value_cansleep(fp->link_gpio); + +- if (fp->status.duplex) { +- switch (fp->status.speed) { +- case 1000: +- bmsr |= BMSR_ESTATEN; +- break; +- case 100: +- bmsr |= BMSR_100FULL; +- break; +- case 10: +- bmsr |= BMSR_10FULL; +- break; +- default: +- break; +- } +- } else { +- switch (fp->status.speed) { +- case 1000: +- bmsr |= BMSR_ESTATEN; +- break; +- case 100: +- bmsr |= BMSR_100HALF; +- break; +- case 10: +- bmsr |= BMSR_10HALF; +- break; +- default: +- break; +- } +- } +- +- if (fp->status.link) { +- bmsr |= BMSR_LSTATUS | BMSR_ANEGCOMPLETE; +- +- if (fp->status.duplex) { +- bmcr |= BMCR_FULLDPLX; +- +- switch (fp->status.speed) { +- case 1000: +- bmcr |= BMCR_SPEED1000; +- lpagb |= LPA_1000FULL; +- break; +- case 100: +- bmcr |= BMCR_SPEED100; +- lpa |= LPA_100FULL; +- break; +- case 10: +- lpa |= LPA_10FULL; +- break; +- default: +- pr_warn("fixed phy: unknown speed\n"); +- return -EINVAL; +- } +- } else { +- switch (fp->status.speed) { +- case 1000: +- bmcr |= BMCR_SPEED1000; +- lpagb |= LPA_1000HALF; +- break; +- case 100: +- bmcr |= BMCR_SPEED100; +- lpa |= LPA_100HALF; +- break; +- case 10: +- lpa |= LPA_10HALF; +- break; +- default: +- pr_warn("fixed phy: unknown speed\n"); +- return -EINVAL; +- } +- } +- +- if (fp->status.pause) +- lpa |= LPA_PAUSE_CAP; +- +- if (fp->status.asym_pause) +- lpa |= LPA_PAUSE_ASYM; +- } +- +- fp->regs[MII_PHYSID1] = 0; +- fp->regs[MII_PHYSID2] = 0; +- +- fp->regs[MII_BMSR] = bmsr; +- fp->regs[MII_BMCR] = bmcr; +- fp->regs[MII_LPA] = lpa; +- fp->regs[MII_STAT1000] = lpagb; +- +- return 0; ++ return swphy_update_regs(fp->regs, &fp->status); + } + + static int fixed_mdio_read(struct mii_bus *bus, int phy_addr, int reg_num) +--- /dev/null ++++ b/drivers/net/phy/swphy.c +@@ -0,0 +1,126 @@ ++/* ++ * Software PHY emulation ++ * ++ * Code taken from fixed_phy.c by Russell King ++ * ++ * Author: Vitaly Bordug ++ * Anton Vorontsov ++ * ++ * Copyright (c) 2006-2007 MontaVista Software, Inc. ++ * ++ * 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. ++ */ ++#include ++#include ++#include ++#include ++ ++#include "swphy.h" ++ ++/** ++ * swphy_update_regs - update MII register array with fixed phy state ++ * @regs: array of 32 registers to update ++ * @state: fixed phy status ++ * ++ * Update the array of MII registers with the fixed phy link, speed, ++ * duplex and pause mode settings. ++ */ ++int swphy_update_regs(u16 *regs, const struct fixed_phy_status *state) ++{ ++ u16 bmsr = BMSR_ANEGCAPABLE; ++ u16 bmcr = 0; ++ u16 lpagb = 0; ++ u16 lpa = 0; ++ ++ if (state->duplex) { ++ switch (state->speed) { ++ case 1000: ++ bmsr |= BMSR_ESTATEN; ++ break; ++ case 100: ++ bmsr |= BMSR_100FULL; ++ break; ++ case 10: ++ bmsr |= BMSR_10FULL; ++ break; ++ default: ++ break; ++ } ++ } else { ++ switch (state->speed) { ++ case 1000: ++ bmsr |= BMSR_ESTATEN; ++ break; ++ case 100: ++ bmsr |= BMSR_100HALF; ++ break; ++ case 10: ++ bmsr |= BMSR_10HALF; ++ break; ++ default: ++ break; ++ } ++ } ++ ++ if (state->link) { ++ bmsr |= BMSR_LSTATUS | BMSR_ANEGCOMPLETE; ++ ++ if (state->duplex) { ++ bmcr |= BMCR_FULLDPLX; ++ ++ switch (state->speed) { ++ case 1000: ++ bmcr |= BMCR_SPEED1000; ++ lpagb |= LPA_1000FULL; ++ break; ++ case 100: ++ bmcr |= BMCR_SPEED100; ++ lpa |= LPA_100FULL; ++ break; ++ case 10: ++ lpa |= LPA_10FULL; ++ break; ++ default: ++ pr_warn("swphy: unknown speed\n"); ++ return -EINVAL; ++ } ++ } else { ++ switch (state->speed) { ++ case 1000: ++ bmcr |= BMCR_SPEED1000; ++ lpagb |= LPA_1000HALF; ++ break; ++ case 100: ++ bmcr |= BMCR_SPEED100; ++ lpa |= LPA_100HALF; ++ break; ++ case 10: ++ lpa |= LPA_10HALF; ++ break; ++ default: ++ pr_warn("swphy: unknown speed\n"); ++ return -EINVAL; ++ } ++ } ++ ++ if (state->pause) ++ lpa |= LPA_PAUSE_CAP; ++ ++ if (state->asym_pause) ++ lpa |= LPA_PAUSE_ASYM; ++ } ++ ++ regs[MII_PHYSID1] = 0; ++ regs[MII_PHYSID2] = 0; ++ ++ regs[MII_BMSR] = bmsr; ++ regs[MII_BMCR] = bmcr; ++ regs[MII_LPA] = lpa; ++ regs[MII_STAT1000] = lpagb; ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(swphy_update_regs); +--- /dev/null ++++ b/drivers/net/phy/swphy.h +@@ -0,0 +1,8 @@ ++#ifndef SWPHY_H ++#define SWPHY_H ++ ++struct fixed_phy_status; ++ ++int swphy_update_regs(u16 *regs, const struct fixed_phy_status *state); ++ ++#endif -- cgit v1.2.3