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atl1c: Add support for Atheros AR8152 and AR8152
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AR8151 is a Gigabit Ethernet device. AR8152 devices are
Fast Ethernet devices, there are two revisions, a 1.0
and a 2.0 revision.

This has been tested against these devices:

Driver	Model-name	vendor:device	Type
atl1c 	AR8131		1969:1063	Gigabit Ethernet
atl1c	AR8132		1969:1062	Fast Ethernet
atl1c	AR8151(v1.0)	1969:1073	Gigabit Ethernet
atl1c	AR8152(v1.1)	1969:2060	Fast Ethernet

This device has no hardware available yet so it goes untested,
but it should work:

atl1c	AR8152(v2.0)	1969:2062	Fast Ethernet

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Luis R. Rodriguez authored and David S. Miller committed Feb 16, 2010
1 parent d5aa407 commit 496c185
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Showing 5 changed files with 191 additions and 25 deletions.
11 changes: 9 additions & 2 deletions drivers/net/atl1c/atl1c.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -313,6 +313,9 @@ enum atl1c_rss_type {
enum atl1c_nic_type {
athr_l1c = 0,
athr_l2c = 1,
athr_l2c_b,
athr_l2c_b2,
athr_l1d,
};

enum atl1c_trans_queue {
Expand Down Expand Up @@ -426,8 +429,12 @@ struct atl1c_hw {
#define ATL1C_ASPM_L1_SUPPORT 0x0100
#define ATL1C_ASPM_CTRL_MON 0x0200
#define ATL1C_HIB_DISABLE 0x0400
#define ATL1C_LINK_CAP_1000M 0x0800
#define ATL1C_FPGA_VERSION 0x8000
#define ATL1C_APS_MODE_ENABLE 0x0800
#define ATL1C_LINK_EXT_SYNC 0x1000
#define ATL1C_CLK_GATING_EN 0x2000
#define ATL1C_FPGA_VERSION 0x8000
u16 link_cap_flags;
#define ATL1C_LINK_CAP_1000M 0x0001
u16 cmb_tpd;
u16 cmb_rrd;
u16 cmb_rx_timer; /* 2us resolution */
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/atl1c/atl1c_ethtool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ static int atl1c_get_settings(struct net_device *netdev,
SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_TP);
if (hw->ctrl_flags & ATL1C_LINK_CAP_1000M)
if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M)
ecmd->supported |= SUPPORTED_1000baseT_Full;

ecmd->advertising = ADVERTISED_TP;
Expand Down
83 changes: 71 additions & 12 deletions drivers/net/atl1c/atl1c_hw.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -70,17 +70,39 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw)
u32 otp_ctrl_data;
u32 twsi_ctrl_data;
u8 eth_addr[ETH_ALEN];
u16 phy_data;
bool raise_vol = false;

/* init */
addr[0] = addr[1] = 0;
AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data);
if (atl1c_check_eeprom_exist(hw)) {
/* Enable OTP CLK */
if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) {
otp_ctrl_data |= OTP_CTRL_CLK_EN;
AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);
AT_WRITE_FLUSH(hw);
msleep(1);
if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b) {
/* Enable OTP CLK */
if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) {
otp_ctrl_data |= OTP_CTRL_CLK_EN;
AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);
AT_WRITE_FLUSH(hw);
msleep(1);
}
}

if (hw->nic_type == athr_l2c_b ||
hw->nic_type == athr_l2c_b2 ||
hw->nic_type == athr_l1d) {
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00);
if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data))
goto out;
phy_data &= 0xFF7F;
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data);

atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B);
if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data))
goto out;
phy_data |= 0x8;
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data);
udelay(20);
raise_vol = true;
}

AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data);
Expand All @@ -96,11 +118,31 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw)
return -1;
}
/* Disable OTP_CLK */
if (otp_ctrl_data & OTP_CTRL_CLK_EN) {
otp_ctrl_data &= ~OTP_CTRL_CLK_EN;
AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);
AT_WRITE_FLUSH(hw);
msleep(1);
if ((hw->nic_type == athr_l1c || hw->nic_type == athr_l2c)) {
if (otp_ctrl_data & OTP_CTRL_CLK_EN) {
otp_ctrl_data &= ~OTP_CTRL_CLK_EN;
AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data);
AT_WRITE_FLUSH(hw);
msleep(1);
}
}
if (raise_vol) {
if (hw->nic_type == athr_l2c_b ||
hw->nic_type == athr_l2c_b2 ||
hw->nic_type == athr_l1d) {
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00);
if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data))
goto out;
phy_data |= 0x80;
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data);

atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B);
if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data))
goto out;
phy_data &= 0xFFF7;
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data);
udelay(20);
}
}

/* maybe MAC-address is from BIOS */
Expand All @@ -114,6 +156,7 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw)
return 0;
}

out:
return -1;
}

Expand Down Expand Up @@ -307,7 +350,7 @@ static int atl1c_phy_setup_adv(struct atl1c_hw *hw)
mii_adv_data |= ADVERTISE_10HALF | ADVERTISE_10FULL |
ADVERTISE_100HALF | ADVERTISE_100FULL;

if (hw->ctrl_flags & ATL1C_LINK_CAP_1000M) {
if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) {
if (hw->autoneg_advertised & ADVERTISED_1000baseT_Half)
mii_giga_ctrl_data |= ADVERTISE_1000HALF;
if (hw->autoneg_advertised & ADVERTISED_1000baseT_Full)
Expand Down Expand Up @@ -389,6 +432,7 @@ int atl1c_phy_reset(struct atl1c_hw *hw)
{
struct atl1c_adapter *adapter = hw->adapter;
struct pci_dev *pdev = adapter->pdev;
u16 phy_data;
u32 phy_ctrl_data = GPHY_CTRL_DEFAULT;
u32 mii_ier_data = IER_LINK_UP | IER_LINK_DOWN;
int err;
Expand All @@ -404,6 +448,21 @@ int atl1c_phy_reset(struct atl1c_hw *hw)
AT_WRITE_FLUSH(hw);
msleep(10);

if (hw->nic_type == athr_l2c_b) {
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x0A);
atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data);
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xDFFF);
}

if (hw->nic_type == athr_l2c_b ||
hw->nic_type == athr_l2c_b2 ||
hw->nic_type == athr_l1d) {
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B);
atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data);
atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xFFF7);
msleep(20);
}

/*Enable PHY LinkChange Interrupt */
err = atl1c_write_phy_reg(hw, MII_IER, mii_ier_data);
if (err) {
Expand Down
5 changes: 5 additions & 0 deletions drivers/net/atl1c/atl1c_hw.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ int atl1c_restart_autoneg(struct atl1c_hw *hw);
#define REG_LINK_CTRL 0x68
#define LINK_CTRL_L0S_EN 0x01
#define LINK_CTRL_L1_EN 0x02
#define LINK_CTRL_EXT_SYNC 0x80

#define REG_VPD_CAP 0x6C
#define VPD_CAP_ID_MASK 0xff
Expand Down Expand Up @@ -156,6 +157,8 @@ int atl1c_restart_autoneg(struct atl1c_hw *hw);
#define PM_CTRL_PM_REQ_TIMER_SHIFT 20
#define PM_CTRL_LCKDET_TIMER_MASK 0x3F
#define PM_CTRL_LCKDET_TIMER_SHIFT 24
#define PM_CTRL_EN_BUFS_RX_L0S 0x10000000
#define PM_CTRL_SA_DLY_EN 0x20000000
#define PM_CTRL_MAC_ASPM_CHK 0x40000000
#define PM_CTRL_HOTRST 0x80000000

Expand Down Expand Up @@ -314,6 +317,8 @@ int atl1c_restart_autoneg(struct atl1c_hw *hw);
#define MAC_CTRL_BC_EN 0x4000000
#define MAC_CTRL_DBG 0x8000000
#define MAC_CTRL_SINGLE_PAUSE_EN 0x10000000
#define MAC_CTRL_HASH_ALG_CRC32 0x20000000
#define MAC_CTRL_SPEED_MODE_SW 0x40000000

/* MAC IPG/IFG Control Register */
#define REG_MAC_IPG_IFG 0x1484
Expand Down
115 changes: 105 additions & 10 deletions drivers/net/atl1c/atl1c_main.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,18 @@

#include "atl1c.h"

#define ATL1C_DRV_VERSION "1.0.0.1-NAPI"
#define ATL1C_DRV_VERSION "1.0.0.2-NAPI"
char atl1c_driver_name[] = "atl1c";
char atl1c_driver_version[] = ATL1C_DRV_VERSION;
#define PCI_DEVICE_ID_ATTANSIC_L2C 0x1062
#define PCI_DEVICE_ID_ATTANSIC_L1C 0x1063
#define PCI_DEVICE_ID_ATHEROS_L2C_B 0x2060 /* AR8152 v1.1 Fast 10/100 */
#define PCI_DEVICE_ID_ATHEROS_L2C_B2 0x2062 /* AR8152 v2.0 Fast 10/100 */
#define PCI_DEVICE_ID_ATHEROS_L1D 0x1073 /* AR8151 v1.0 Gigabit 1000 */

#define L2CB_V10 0xc0
#define L2CB_V11 0xc1

/*
* atl1c_pci_tbl - PCI Device ID Table
*
Expand All @@ -38,6 +45,9 @@ char atl1c_driver_version[] = ATL1C_DRV_VERSION;
static DEFINE_PCI_DEVICE_TABLE(atl1c_pci_tbl) = {
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1C)},
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2C)},
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B)},
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B2)},
{PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L1D)},
/* required last entry */
{ 0 }
};
Expand Down Expand Up @@ -593,11 +603,18 @@ static void atl1c_set_mac_type(struct atl1c_hw *hw)
case PCI_DEVICE_ID_ATTANSIC_L2C:
hw->nic_type = athr_l2c;
break;

case PCI_DEVICE_ID_ATTANSIC_L1C:
hw->nic_type = athr_l1c;
break;

case PCI_DEVICE_ID_ATHEROS_L2C_B:
hw->nic_type = athr_l2c_b;
break;
case PCI_DEVICE_ID_ATHEROS_L2C_B2:
hw->nic_type = athr_l2c_b2;
break;
case PCI_DEVICE_ID_ATHEROS_L1D:
hw->nic_type = athr_l1d;
break;
default:
break;
}
Expand All @@ -620,10 +637,13 @@ static int atl1c_setup_mac_funcs(struct atl1c_hw *hw)
hw->ctrl_flags |= ATL1C_ASPM_L0S_SUPPORT;
if (link_ctrl_data & LINK_CTRL_L1_EN)
hw->ctrl_flags |= ATL1C_ASPM_L1_SUPPORT;
if (link_ctrl_data & LINK_CTRL_EXT_SYNC)
hw->ctrl_flags |= ATL1C_LINK_EXT_SYNC;

if (hw->nic_type == athr_l1c) {
if (hw->nic_type == athr_l1c ||
hw->nic_type == athr_l1d) {
hw->ctrl_flags |= ATL1C_ASPM_CTRL_MON;
hw->ctrl_flags |= ATL1C_LINK_CAP_1000M;
hw->link_cap_flags |= ATL1C_LINK_CAP_1000M;
}
return 0;
}
Expand Down Expand Up @@ -1234,21 +1254,92 @@ static void atl1c_disable_l0s_l1(struct atl1c_hw *hw)
static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup)
{
u32 pm_ctrl_data;
u32 link_ctrl_data;

AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data);

AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data);
pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1;

pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK <<
PM_CTRL_L1_ENTRY_TIMER_SHIFT);
pm_ctrl_data &= ~(PM_CTRL_LCKDET_TIMER_MASK <<
PM_CTRL_LCKDET_TIMER_SHIFT);

pm_ctrl_data |= PM_CTRL_MAC_ASPM_CHK;
pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN;
pm_ctrl_data |= PM_CTRL_RBER_EN;
pm_ctrl_data |= PM_CTRL_SDES_EN;

if (hw->nic_type == athr_l2c_b ||
hw->nic_type == athr_l1d ||
hw->nic_type == athr_l2c_b2) {
link_ctrl_data &= ~LINK_CTRL_EXT_SYNC;
if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE)) {
if (hw->nic_type == athr_l2c_b &&
hw->revision_id == L2CB_V10)
link_ctrl_data |= LINK_CTRL_EXT_SYNC;
}

AT_WRITE_REG(hw, REG_LINK_CTRL, link_ctrl_data);

pm_ctrl_data |= PM_CTRL_PCIE_RECV;
pm_ctrl_data |= AT_ASPM_L1_TIMER << PM_CTRL_PM_REQ_TIMER_SHIFT;
pm_ctrl_data &= ~PM_CTRL_EN_BUFS_RX_L0S;
pm_ctrl_data &= ~PM_CTRL_SA_DLY_EN;
pm_ctrl_data &= ~PM_CTRL_HOTRST;
pm_ctrl_data |= 1 << PM_CTRL_L1_ENTRY_TIMER_SHIFT;
pm_ctrl_data |= PM_CTRL_SERDES_PD_EX_L1;
}

if (linkup) {
pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN;
pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1;
pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN;
pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN;
if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT)
pm_ctrl_data |= PM_CTRL_ASPM_L1_EN;
if (hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT)
pm_ctrl_data |= PM_CTRL_ASPM_L0S_EN;

if (hw->nic_type == athr_l2c_b ||
hw->nic_type == athr_l1d ||
hw->nic_type == athr_l2c_b2) {
if (hw->nic_type == athr_l2c_b)
if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE))
pm_ctrl_data &= PM_CTRL_ASPM_L0S_EN;
pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN;
pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN;
pm_ctrl_data &= ~PM_CTRL_SERDES_BUDS_RX_L1_EN;
pm_ctrl_data |= PM_CTRL_CLK_SWH_L1;
if (hw->adapter->link_speed == SPEED_100 ||
hw->adapter->link_speed == SPEED_1000) {
pm_ctrl_data &=
~(PM_CTRL_L1_ENTRY_TIMER_MASK <<
PM_CTRL_L1_ENTRY_TIMER_SHIFT);
if (hw->nic_type == athr_l1d)
pm_ctrl_data |= 0xF <<
PM_CTRL_L1_ENTRY_TIMER_SHIFT;
else
pm_ctrl_data |= 7 <<
PM_CTRL_L1_ENTRY_TIMER_SHIFT;
}
} else {
pm_ctrl_data |= PM_CTRL_SERDES_L1_EN;
pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN;
pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN;
pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1;
pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN;
pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN;
}
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29);
if (hw->adapter->link_speed == SPEED_10)
if (hw->nic_type == athr_l1d)
atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0xB69D);
else
atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD);
else if (hw->adapter->link_speed == SPEED_100)
atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB2DD);
else
atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x96DD);

pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN;
pm_ctrl_data |= PM_CTRL_SERDES_L1_EN;
} else {
pm_ctrl_data &= ~PM_CTRL_SERDES_BUDS_RX_L1_EN;
pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN;
Expand Down Expand Up @@ -1302,6 +1393,10 @@ static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter)
mac_ctrl_data |= MAC_CTRL_MC_ALL_EN;

mac_ctrl_data |= MAC_CTRL_SINGLE_PAUSE_EN;
if (hw->nic_type == athr_l1d || hw->nic_type == athr_l2c_b2) {
mac_ctrl_data |= MAC_CTRL_SPEED_MODE_SW;
mac_ctrl_data |= MAC_CTRL_HASH_ALG_CRC32;
}
AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data);
}

Expand Down

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