diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.22/999-icplus.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/999-icplus.patch | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.22/999-icplus.patch b/target/linux/generic-2.6/patches-2.6.22/999-icplus.patch new file mode 100644 index 0000000000..2437e7ba9d --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.22/999-icplus.patch @@ -0,0 +1,182 @@ +From: Michael Barkowski <michael.barkowski@freescale.com> +Date: Fri, 11 May 2007 23:24:51 +0000 (-0500) +Subject: phylib: add the ICPlus IP175C PHY driver +X-Git-Tag: v2.6.23-rc1~1201^2~58 +X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=0cefeebaf3da39d768bffcf62460fe2088e824ef + +phylib: add the ICPlus IP175C PHY driver + +The ICPlus IP175C sports a 100Mbit/s 4-port switch in addition +to a dedicated 100Mbit/s WAN port. + +Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com> +Signed-off-by: Kim Phillips <kim.phillips@freescale.com> +Signed-off-by: Jeff Garzik <jeff@garzik.org> +--- + +diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig +index 09b6f25..dd09011 100644 +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -55,6 +55,11 @@ config BROADCOM_PHY + ---help--- + Currently supports the BCM5411, BCM5421 and BCM5461 PHYs. + ++config ICPLUS_PHY ++ tristate "Drivers for ICPlus PHYs" ++ ---help--- ++ Currently supports the IP175C PHY. ++ + config FIXED_PHY + tristate "Drivers for PHY emulation on fixed speed/link" + ---help--- +diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile +index bcd1efb..8885650 100644 +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -11,4 +11,5 @@ 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-$(CONFIG_ICPLUS_PHY) += icplus.o + obj-$(CONFIG_FIXED_PHY) += fixed.o +diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c +new file mode 100644 +index 0000000..af3f1f2 +--- /dev/null ++++ b/drivers/net/phy/icplus.c +@@ -0,0 +1,134 @@ ++/* ++ * Driver for ICPlus PHYs ++ * ++ * Copyright (c) 2007 Freescale Semiconductor, 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 <linux/kernel.h> ++#include <linux/string.h> ++#include <linux/errno.h> ++#include <linux/unistd.h> ++#include <linux/slab.h> ++#include <linux/interrupt.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/skbuff.h> ++#include <linux/spinlock.h> ++#include <linux/mm.h> ++#include <linux/module.h> ++#include <linux/mii.h> ++#include <linux/ethtool.h> ++#include <linux/phy.h> ++ ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/uaccess.h> ++ ++MODULE_DESCRIPTION("ICPlus IP175C PHY driver"); ++MODULE_AUTHOR("Michael Barkowski"); ++MODULE_LICENSE("GPL"); ++ ++static int ip175c_config_init(struct phy_device *phydev) ++{ ++ int err, i; ++ static int full_reset_performed = 0; ++ ++ if (full_reset_performed == 0) { ++ ++ /* master reset */ ++ err = phydev->bus->write(phydev->bus, 30, 0, 0x175c); ++ if (err < 0) ++ return err; ++ ++ /* ensure no bus delays overlap reset period */ ++ err = phydev->bus->read(phydev->bus, 30, 0); ++ ++ /* data sheet specifies reset period is 2 msec */ ++ mdelay(2); ++ ++ /* enable IP175C mode */ ++ err = phydev->bus->write(phydev->bus, 29, 31, 0x175c); ++ if (err < 0) ++ return err; ++ ++ /* Set MII0 speed and duplex (in PHY mode) */ ++ err = phydev->bus->write(phydev->bus, 29, 22, 0x420); ++ if (err < 0) ++ return err; ++ ++ /* reset switch ports */ ++ for (i = 0; i < 5; i++) { ++ err = phydev->bus->write(phydev->bus, i, ++ MII_BMCR, BMCR_RESET); ++ if (err < 0) ++ return err; ++ } ++ ++ for (i = 0; i < 5; i++) ++ err = phydev->bus->read(phydev->bus, i, MII_BMCR); ++ ++ mdelay(2); ++ ++ full_reset_performed = 1; ++ } ++ ++ if (phydev->addr != 4) { ++ phydev->state = PHY_RUNNING; ++ phydev->speed = SPEED_100; ++ phydev->duplex = DUPLEX_FULL; ++ phydev->link = 1; ++ netif_carrier_on(phydev->attached_dev); ++ } ++ ++ return 0; ++} ++ ++static int ip175c_read_status(struct phy_device *phydev) ++{ ++ if (phydev->addr == 4) /* WAN port */ ++ genphy_read_status(phydev); ++ else ++ /* Don't need to read status for switch ports */ ++ phydev->irq = PHY_IGNORE_INTERRUPT; ++ ++ return 0; ++} ++ ++static int ip175c_config_aneg(struct phy_device *phydev) ++{ ++ if (phydev->addr == 4) /* WAN port */ ++ genphy_config_aneg(phydev); ++ ++ return 0; ++} ++ ++static struct phy_driver ip175c_driver = { ++ .phy_id = 0x02430d80, ++ .name = "ICPlus IP175C", ++ .phy_id_mask = 0x0ffffff0, ++ .features = PHY_BASIC_FEATURES, ++ .config_init = &ip175c_config_init, ++ .config_aneg = &ip175c_config_aneg, ++ .read_status = &ip175c_read_status, ++ .driver = { .owner = THIS_MODULE,}, ++}; ++ ++static int __init ip175c_init(void) ++{ ++ return phy_driver_register(&ip175c_driver); ++} ++ ++static void __exit ip175c_exit(void) ++{ ++ phy_driver_unregister(&ip175c_driver); ++} ++ ++module_init(ip175c_init); ++module_exit(ip175c_exit); |