From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org,
Jeff Garzik <jgarzik@pobox.com>
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
Chris Wedgwood <reviews@ml.cw.f00f.org>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
netdev@vger.kernel.org, Stephen Hemminger <shemminger@osdl.org>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: [patch 36/37] sky2: fix fiber support
Date: Wed, 6 Sep 2006 15:58:08 -0700 [thread overview]
Message-ID: <20060906225808.GK15922@kroah.com> (raw)
In-Reply-To: <20060906225444.GA15922@kroah.com>
[-- Attachment #1: sky2-fiber.patch --]
[-- Type: text/plain, Size: 7295 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
From: Stephen Hemminger <shemminger@osdl.org>
Fix support for fiber based devices. Needed to keep track of PMD type to
add workaround in setup. Add support for gigabit half duplex fiber.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/net/sky2.c | 81 ++++++++++++++++++++++++++++++++---------------------
drivers/net/sky2.h | 15 +++++++++
2 files changed, 63 insertions(+), 33 deletions(-)
--- linux-2.6.17.11.orig/drivers/net/sky2.c
+++ linux-2.6.17.11/drivers/net/sky2.c
@@ -321,7 +321,7 @@ static void sky2_phy_init(struct sky2_hw
}
ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
if (hw->chip_id == CHIP_ID_YUKON_FE) {
/* enable automatic crossover */
ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;
@@ -338,25 +338,37 @@ static void sky2_phy_init(struct sky2_hw
ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
}
}
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
} else {
/* workaround for deviation #4.88 (CRC errors) */
/* disable Automatic Crossover */
ctrl &= ~PHY_M_PC_MDIX_MSK;
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+ }
- if (hw->chip_id == CHIP_ID_YUKON_XL) {
- /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
- gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
- ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
- ctrl &= ~PHY_M_MAC_MD_MSK;
- ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+ gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+
+ /* special setup for PHY 88E1112 Fiber */
+ if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) {
+ pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+ /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
+ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
+ ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+ ctrl &= ~PHY_M_MAC_MD_MSK;
+ ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
+ gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+
+ if (hw->pmd_type == 'P') {
/* select page 1 to access Fiber registers */
gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1);
+
+ /* for SFP-module set SIGDET polarity to low */
+ ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+ ctrl |= PHY_M_FIB_SIGD_POL;
+ gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
}
+
+ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
}
ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);
@@ -373,7 +385,7 @@ static void sky2_phy_init(struct sky2_hw
adv = PHY_AN_CSMA;
if (sky2->autoneg == AUTONEG_ENABLE) {
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
if (sky2->advertising & ADVERTISED_1000baseT_Full)
ct1000 |= PHY_M_1000C_AFD;
if (sky2->advertising & ADVERTISED_1000baseT_Half)
@@ -386,8 +398,12 @@ static void sky2_phy_init(struct sky2_hw
adv |= PHY_M_AN_10_FD;
if (sky2->advertising & ADVERTISED_10baseT_Half)
adv |= PHY_M_AN_10_HD;
- } else /* special defines for FIBER (88E1011S only) */
- adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD;
+ } else { /* special defines for FIBER (88E1040S only) */
+ if (sky2->advertising & ADVERTISED_1000baseT_Full)
+ adv |= PHY_M_AN_1000X_AFD;
+ if (sky2->advertising & ADVERTISED_1000baseT_Half)
+ adv |= PHY_M_AN_1000X_AHD;
+ }
/* Set Flow-control capabilities */
if (sky2->tx_pause && sky2->rx_pause)
@@ -1497,7 +1513,7 @@ static int sky2_down(struct net_device *
static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux)
{
- if (!hw->copper)
+ if (!sky2_is_copper(hw))
return SPEED_1000;
if (hw->chip_id == CHIP_ID_YUKON_FE)
@@ -2287,7 +2303,7 @@ static inline u32 sky2_clk2us(const stru
static int __devinit sky2_reset(struct sky2_hw *hw)
{
u16 status;
- u8 t8, pmd_type;
+ u8 t8;
int i;
sky2_write8(hw, B0_CTST, CS_RST_CLR);
@@ -2333,9 +2349,7 @@ static int __devinit sky2_reset(struct s
sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL);
- pmd_type = sky2_read8(hw, B2_PMD_TYP);
- hw->copper = !(pmd_type == 'L' || pmd_type == 'S');
-
+ hw->pmd_type = sky2_read8(hw, B2_PMD_TYP);
hw->ports = 1;
t8 = sky2_read8(hw, B2_Y2_HW_RES);
if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) {
@@ -2432,21 +2446,22 @@ static int __devinit sky2_reset(struct s
static u32 sky2_supported_modes(const struct sky2_hw *hw)
{
- u32 modes;
- if (hw->copper) {
- modes = SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_Autoneg | SUPPORTED_TP;
+ if (sky2_is_copper(hw)) {
+ u32 modes = SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_Autoneg | SUPPORTED_TP;
if (hw->chip_id != CHIP_ID_YUKON_FE)
modes |= SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full;
+ | SUPPORTED_1000baseT_Full;
+ return modes;
} else
- modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
- | SUPPORTED_Autoneg;
- return modes;
+ return SUPPORTED_1000baseT_Half
+ | SUPPORTED_1000baseT_Full
+ | SUPPORTED_Autoneg
+ | SUPPORTED_FIBRE;
}
static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
@@ -2457,7 +2472,7 @@ static int sky2_get_settings(struct net_
ecmd->transceiver = XCVR_INTERNAL;
ecmd->supported = sky2_supported_modes(hw);
ecmd->phy_address = PHY_ADDR_MARV;
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
ecmd->supported = SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
| SUPPORTED_100baseT_Half
@@ -2466,12 +2481,14 @@ static int sky2_get_settings(struct net_
| SUPPORTED_1000baseT_Full
| SUPPORTED_Autoneg | SUPPORTED_TP;
ecmd->port = PORT_TP;
- } else
+ ecmd->speed = sky2->speed;
+ } else {
+ ecmd->speed = SPEED_1000;
ecmd->port = PORT_FIBRE;
+ }
ecmd->advertising = sky2->advertising;
ecmd->autoneg = sky2->autoneg;
- ecmd->speed = sky2->speed;
ecmd->duplex = sky2->duplex;
return 0;
}
--- linux-2.6.17.11.orig/drivers/net/sky2.h
+++ linux-2.6.17.11/drivers/net/sky2.h
@@ -1318,6 +1318,14 @@ enum {
};
/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
+/***** PHY_MARV_PHY_CTRL (page 1) 16 bit r/w Fiber Specific Ctrl *****/
+enum {
+ PHY_M_FIB_FORCE_LNK = 1<<10,/* Force Link Good */
+ PHY_M_FIB_SIGD_POL = 1<<9, /* SIGDET Polarity */
+ PHY_M_FIB_TX_DIS = 1<<3, /* Transmitter Disable */
+};
+
+/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/
enum {
PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */
@@ -1879,7 +1887,7 @@ struct sky2_hw {
int pm_cap;
u8 chip_id;
u8 chip_rev;
- u8 copper;
+ u8 pmd_type;
u8 ports;
struct sky2_status_le *st_le;
@@ -1891,6 +1899,11 @@ struct sky2_hw {
wait_queue_head_t msi_wait;
};
+static inline int sky2_is_copper(const struct sky2_hw *hw)
+{
+ return !(hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P');
+}
+
/* Register accessor for memory mapped device */
static inline u32 sky2_read32(const struct sky2_hw *hw, unsigned reg)
{
--
next prev parent reply other threads:[~2006-09-06 23:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060906224631.999046890@quad.kroah.org>
[not found] ` <20060906225444.GA15922@kroah.com>
2006-09-06 22:55 ` [patch 05/37] bridge-netfilter: dont overwrite memory outside of skb Greg KH
2006-09-06 22:57 ` [patch 32/37] sky2: accept flow control Greg KH
2006-09-06 22:57 ` [patch 33/37] sky2: clear status IRQ after empty Greg KH
2006-09-06 22:57 ` [patch 34/37] sky2: use dev_alloc_skb for receive buffers Greg KH
2006-09-06 22:58 ` [patch 35/37] sky2: MSI test timing Greg KH
2006-09-06 22:58 ` Greg KH [this message]
2006-09-06 22:58 ` [patch 37/37] sky2: version 1.6.1 Greg KH
2006-09-07 19:25 ` Pavel Machek
2006-09-07 20:34 ` Greg KH
2006-09-07 21:03 ` Pavel Machek
2006-09-07 21:50 ` Stephen Hemminger
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