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Date: Tue, 21 Aug 2012 14:18:49 +0200
From: Stany MARCEL <stany.marcel@...asys-ingenierie.com>
To: linux-m68k@...ts.linux-m68k.org
Cc: geert@...ux-m68k.org, linux-kernel@...r.kernel.org,
Stany MARCEL <stany.marcel@...asys-ingenierie.com>
Subject: [PATCH 1/3] Add support to broadcom 5222 PHY
Signed-off-by: Stany MARCEL <stany.marcel@...asys-ingenierie.com>
---
This driver is an adaption of the one given by freescale for kernel 2.6.25.
Tested with kernel 3.4.8 with arch/m68k backported from linux-m68k head
2 FEC configured with shared phy
drivers/net/phy/Kconfig | 7 +-
drivers/net/phy/Makefile | 1 +
drivers/net/phy/broadcom522x.c | 171 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 178 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/phy/broadcom522x.c
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 3090dc6..2f97824 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -24,7 +24,7 @@ config MARVELL_PHY
tristate "Drivers for Marvell PHYs"
---help---
Currently has a driver for the 88E1011S
-
+
config DAVICOM_PHY
tristate "Drivers for Davicom PHYs"
---help---
@@ -72,6 +72,11 @@ config BCM87XX_PHY
help
Currently supports the BCM8706 and BCM8727 10G Ethernet PHYs.
+config BROADCOM5222_PHY
+ tristate "Drivers for Broadcom5222 PHY"
+ ---help---
+ Currently supports the BCM5222 PHYs.
+
config ICPLUS_PHY
tristate "Drivers for ICPlus PHYs"
---help---
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 6d2dc6c..52723e6 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
+obj-$(CONFIG_BROADCOM5222_PHY) += broadcom522x.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_REALTEK_PHY) += realtek.o
obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
diff --git a/drivers/net/phy/broadcom522x.c b/drivers/net/phy/broadcom522x.c
new file mode 100644
index 0000000..61aecef
--- /dev/null
+++ b/drivers/net/phy/broadcom522x.c
@@ -0,0 +1,171 @@
+/*
+ *Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
+ * Chenghu Wu <b16972@...escale.com>
+ *
+ * Driver for broadcom PHYs 522x
+ *
+ * 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/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+/* DP83865 phy identifier values */
+#define BCM5222_PHY_ID 0x00406320
+
+/* PHY Register */
+#define BCM5222_TIMEOUT 0x100
+
+/* MII Registers */
+#define BCM5222_CTRL 0x00
+#define BCM5222_STATUS 0x01
+#define BCM5222_ID_HIGH 0x02
+#define BCM5222_ID_LOW 0x03
+#define BCM5222_AN_ADV 0x04
+#define BCM5222_AN_LP 0x05
+#define BCM5222_AN_EXP 0x06
+#define BCM5222_AN_NEXTPG 0x07
+#define BCM5222_AN_LP_NPTX 0x08
+#define BCM5222_AUX_CS 0x18
+#define BCM5222_AUX_STATUS 0x19
+
+/* CONTROL Bits */
+#define BCM5222_CTRL_RESET 0x8000
+#define BCM5222_CTRL_LOOPBACK 0x4000
+#define BCM5222_CTRL_FORCE 0x2000
+#define BCM5222_CTRL_AUTOEN 0x1000
+#define BCM5222_CTRL_PWRDN 0x0800
+#define BCM5222_CTRL_ISOLATE 0x0400
+#define BCM5222_CTRL_RESTART 0x0200
+#define BCM5222_CTRL_DUPLEX 0x0100
+#define BCM5222_CTRL_COLLEN 0x0080
+
+/* STATUS Bits */
+#define BCM5222_STATUS_100T4 0x8000
+#define BCM5222_STATUS_100TXFDX 0x4000
+#define BCM5222_STATUS_100TX 0x2000
+#define BCM5222_STATUS_10FDX 0x1000
+#define BCM5222_STATUS_10 0x0800
+#define BCM5222_STATUS_MF_PREAMBLE 0x0040
+#define BCM5222_STATUS_AN_COMPLETE 0x0020
+#define BCM5222_STATUS_REMOTE_FAULT 0x0010
+#define BCM5222_STATUS_AN_CAPABLE 0x0008
+#define BCM5222_STATUS_LINK 0x0004
+#define BCM5222_STATUS_JABBER 0x0002
+#define BCM5222_STATUS_EXT_CAP 0x0001
+
+/* ID Values */
+#define BCM5222_ID_HIGH_VAL 0x0040
+#define BCM5222_ID_LOW_VAL 0x6320
+
+/* Advertise Bits */
+#define BCM5222_AN_ADV_NEXTPG 0x8000
+#define BCM5222_AN_ADV_REMOTE_FAULT 0x2000
+#define BCM5222_AN_ADV_PAUSE 0x0400
+#define BCM5222_AN_ADV_100T4 0x0200
+#define BCM5222_AN_ADV_100TXFDX 0x0100
+#define BCM5222_AN_ADV_100TX 0x0080
+#define BCM5222_AN_ADV_10FDX 0x0040
+#define BCM5222_AN_ADV_10 0x0020
+#define BCM5222_AN_ADV_8023 0x0001
+#define BCM5222_AN_ADV_ALL \
+ (BCM5222_AN_ADV_100TXFDX | \
+ BCM5222_AN_ADV_100TXFDX | \
+ BCM5222_AN_ADV_100TX | \
+ BCM5222_AN_ADV_10FDX | \
+ BCM5222_AN_ADV_10 | \
+ BCM5222_AN_ADV_8023)
+
+/* AUX CTRL/STATUS Bits */
+#define BCM5222_AUX_CS_JABBER_DIS 0x8000
+#define BCM5222_AUX_CS_FORCE_LINK 0x4000
+#define BCM5222_AUX_CS_10M_TX_PWR 0x0100
+#define BCM5222_AUX_CS_HSQ_LSQ_MASK 0x00c0
+#define BCM5222_AUX_CS_EDGE_RATE_MASK 0x0030
+#define BCM5222_AUX_CS_AN_IND 0x0008
+#define BCM5222_AUX_CS_SPEED_FORCE 0x0004
+#define BCM5222_AUX_CS_SPEED 0x0002
+#define BCM5222_AUX_CS_DUPLEX 0x0001
+
+/* AUX STATUS Bits */
+#define BCM5222_AUX_STATUS_AN_COMP 0x8000
+#define BCM5222_AUX_STATUS_AN_COMPACK 0x4000
+#define BCM5222_AUX_STATUS_AN_ACKDET 0x2000
+#define BCM5222_AUX_STATUS_AN_ABDET 0x1000
+#define BCM5222_AUX_STATUS_AN_PAUSE 0x0800
+#define BCM5222_AUX_STATUS_AN_HCDMASK 0x0700
+#define BCM5222_AUX_STATUS_AN_PDFAULT 0x0080
+#define BCM5222_AUX_STATUS_LP_RMTFAULT 0x0040
+#define BCM5222_AUX_STATUS_LP_PGRX 0x0020
+#define BCM5222_AUX_STATUS_LP_NEGABLE 0x0010
+#define BCM5222_AUX_STATUS_SPEED 0x0008
+#define BCM5222_AUX_STATUS_LINK 0x0004
+#define BCM5222_AUX_STATUS_AN_EN 0x0002
+#define BCM5222_AUX_STATUS_JABBER 0x0001
+
+static int bcm5222_config_intr(struct phy_device *phydev)
+{
+ int err = 0;
+ printk(KERN_INFO "%s PHY_INTERRUPT %x\n",
+ __func__, phydev->interrupts);
+
+ return err;
+}
+
+static int bcm5222_ack_interrupt(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int bcm5222_config_init(struct phy_device *phydev)
+{
+ return bcm5222_ack_interrupt(phydev);
+}
+
+
+static struct phy_driver bcm5222_driver = {
+ .phy_id = BCM5222_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM5222",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = bcm5222_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = bcm5222_ack_interrupt,
+ .config_intr = bcm5222_config_intr,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static int __init bcm5222_init(void)
+{
+ int ret;
+
+ ret = phy_driver_register(&bcm5222_driver);
+ if (ret)
+ goto err1;
+
+ return 0;
+err1:
+ printk(KERN_INFO "register bcm5222 PHY driver fail\n");
+ return ret;
+}
+
+static void __exit bcm5222_exit(void)
+{
+ phy_driver_unregister(&bcm5222_driver);
+}
+
+MODULE_DESCRIPTION("Broadcom PHY driver");
+MODULE_LICENSE("GPL v2");
+
+module_init(bcm5222_init);
+module_exit(bcm5222_exit);
--
1.7.9.5
--
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