diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-2.6.27/010-add_integrated_ethernet_phy_support.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-2.6.27/010-add_integrated_ethernet_phy_support.patch | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.27/010-add_integrated_ethernet_phy_support.patch b/target/linux/brcm63xx/patches-2.6.27/010-add_integrated_ethernet_phy_support.patch new file mode 100644 index 0000000000..0ccafc1c00 --- /dev/null +++ b/target/linux/brcm63xx/patches-2.6.27/010-add_integrated_ethernet_phy_support.patch @@ -0,0 +1,183 @@ +From 7eefcb968019804e024c8243e28afb1eebd674a2 Mon Sep 17 00:00:00 2001 +From: Maxime Bizon <mbizon@freebox.fr> +Date: Sun, 21 Sep 2008 02:20:53 +0200 +Subject: [PATCH] [MIPS] BCM63XX: Add integrated ethernet PHY support for phylib. + +Signed-off-by: Maxime Bizon <mbizon@freebox.fr> +--- + drivers/net/phy/Kconfig | 6 ++ + drivers/net/phy/Makefile | 1 + + drivers/net/phy/bcm63xx.c | 132 +++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 139 insertions(+), 0 deletions(-) + create mode 100644 drivers/net/phy/bcm63xx.c + +diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig +index d55932a..a5d2c2d 100644 +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -56,6 +56,12 @@ config BROADCOM_PHY + Currently supports the BCM5411, BCM5421, BCM5461, BCM5464, BCM5481 + and BCM5482 PHYs. + ++config BCM63XX_PHY ++ tristate "Drivers for Broadcom 63xx SOCs internal PHY" ++ depends on BCM63XX ++ ---help--- ++ Currently supports the 6348 and 6358 PHYs. ++ + config ICPLUS_PHY + tristate "Drivers for ICPlus PHYs" + ---help--- +diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile +index eee329f..0d43f58 100644 +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -11,6 +11,7 @@ obj-$(CONFIG_QSEMI_PHY) += qsemi.o + obj-$(CONFIG_SMSC_PHY) += smsc.o + obj-$(CONFIG_VITESSE_PHY) += vitesse.o + obj-$(CONFIG_BROADCOM_PHY) += broadcom.o ++obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o + obj-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_REALTEK_PHY) += realtek.o + obj-$(CONFIG_FIXED_PHY) += fixed.o +diff --git a/drivers/net/phy/bcm63xx.c b/drivers/net/phy/bcm63xx.c +new file mode 100644 +index 0000000..4fed95e +--- /dev/null ++++ b/drivers/net/phy/bcm63xx.c +@@ -0,0 +1,132 @@ ++/* ++ * Driver for Broadcom 63xx SOCs integrated PHYs ++ * ++ * 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 <linux/module.h> ++#include <linux/phy.h> ++ ++#define MII_BCM63XX_IR 0x1a /* interrupt register */ ++#define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */ ++#define MII_BCM63XX_IR_DUPLEX 0x0800 /* duplex changed */ ++#define MII_BCM63XX_IR_SPEED 0x0400 /* speed changed */ ++#define MII_BCM63XX_IR_LINK 0x0200 /* link changed */ ++#define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */ ++ ++MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver"); ++MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>"); ++MODULE_LICENSE("GPL"); ++ ++static int bcm63xx_config_init(struct phy_device *phydev) ++{ ++ int reg, err; ++ ++ reg = phy_read(phydev, MII_BCM63XX_IR); ++ if (reg < 0) ++ return reg; ++ ++ /* Mask interrupts globally. */ ++ reg |= MII_BCM63XX_IR_GMASK; ++ err = phy_write(phydev, MII_BCM63XX_IR, reg); ++ if (err < 0) ++ return err; ++ ++ /* Unmask events we are interested in */ ++ reg = ~(MII_BCM63XX_IR_DUPLEX | ++ MII_BCM63XX_IR_SPEED | ++ MII_BCM63XX_IR_LINK) | ++ MII_BCM63XX_IR_EN; ++ err = phy_write(phydev, MII_BCM63XX_IR, reg); ++ if (err < 0) ++ return err; ++ return 0; ++} ++ ++static int bcm63xx_ack_interrupt(struct phy_device *phydev) ++{ ++ int reg; ++ ++ /* Clear pending interrupts. */ ++ reg = phy_read(phydev, MII_BCM63XX_IR); ++ if (reg < 0) ++ return reg; ++ ++ return 0; ++} ++ ++static int bcm63xx_config_intr(struct phy_device *phydev) ++{ ++ int reg, err; ++ ++ reg = phy_read(phydev, MII_BCM63XX_IR); ++ if (reg < 0) ++ return reg; ++ ++ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) ++ reg &= ~MII_BCM63XX_IR_GMASK; ++ else ++ reg |= MII_BCM63XX_IR_GMASK; ++ ++ err = phy_write(phydev, MII_BCM63XX_IR, reg); ++ return err; ++} ++ ++static struct phy_driver bcm63xx_1_driver = { ++ .phy_id = 0x00406000, ++ .phy_id_mask = 0xfffffc00, ++ .name = "Broadcom BCM63XX (1)", ++ /* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */ ++ .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause), ++ .flags = PHY_HAS_INTERRUPT, ++ .config_init = bcm63xx_config_init, ++ .config_aneg = genphy_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = bcm63xx_ack_interrupt, ++ .config_intr = bcm63xx_config_intr, ++ .driver = { .owner = THIS_MODULE }, ++}; ++ ++/* same phy as above, with just a different OUI */ ++static struct phy_driver bcm63xx_2_driver = { ++ .phy_id = 0x002bdc00, ++ .phy_id_mask = 0xfffffc00, ++ .name = "Broadcom BCM63XX (2)", ++ .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause), ++ .flags = PHY_HAS_INTERRUPT, ++ .config_init = bcm63xx_config_init, ++ .config_aneg = genphy_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = bcm63xx_ack_interrupt, ++ .config_intr = bcm63xx_config_intr, ++ .driver = { .owner = THIS_MODULE }, ++}; ++ ++static int __init bcm63xx_phy_init(void) ++{ ++ int ret; ++ ++ ret = phy_driver_register(&bcm63xx_1_driver); ++ if (ret) ++ goto out_63xx_1; ++ ret = phy_driver_register(&bcm63xx_2_driver); ++ if (ret) ++ goto out_63xx_2; ++ return ret; ++ ++out_63xx_2: ++ phy_driver_unregister(&bcm63xx_1_driver); ++out_63xx_1: ++ return ret; ++} ++ ++static void __exit bcm63xx_phy_exit(void) ++{ ++ phy_driver_unregister(&bcm63xx_1_driver); ++ phy_driver_unregister(&bcm63xx_2_driver); ++} ++ ++module_init(bcm63xx_phy_init); ++module_exit(bcm63xx_phy_exit); +-- +1.5.4.3 + |