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tg3: Add shmem options.
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This patch adds some options obtained through shared memory.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Matt Carlson authored and David S. Miller committed May 29, 2008
1 parent 57e6983 commit a9daf36
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Showing 3 changed files with 123 additions and 8 deletions.
95 changes: 88 additions & 7 deletions drivers/net/tg3.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/phy.h>
#include <linux/brcmphy.h>
#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/tcp.h>
Expand Down Expand Up @@ -869,6 +870,51 @@ static int tg3_mdio_reset(struct mii_bus *bp)
return 0;
}

static void tg3_mdio_config(struct tg3 *tp)
{
u32 val;

if (tp->mdio_bus.phy_map[PHY_ADDR]->interface !=
PHY_INTERFACE_MODE_RGMII)
return;

val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
MAC_PHYCFG1_RGMII_SND_STAT_EN);
if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
}
tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);

val = tr32(MAC_PHYCFG2) & ~(MAC_PHYCFG2_INBAND_ENABLE);
if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
val |= MAC_PHYCFG2_INBAND_ENABLE;
tw32(MAC_PHYCFG2, val);

val = tr32(MAC_EXT_RGMII_MODE);
val &= ~(MAC_RGMII_MODE_RX_INT_B |
MAC_RGMII_MODE_RX_QUALITY |
MAC_RGMII_MODE_RX_ACTIVITY |
MAC_RGMII_MODE_RX_ENG_DET |
MAC_RGMII_MODE_TX_ENABLE |
MAC_RGMII_MODE_TX_LOWPWR |
MAC_RGMII_MODE_TX_RESET);
if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
val |= MAC_RGMII_MODE_RX_INT_B |
MAC_RGMII_MODE_RX_QUALITY |
MAC_RGMII_MODE_RX_ACTIVITY |
MAC_RGMII_MODE_RX_ENG_DET;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
val |= MAC_RGMII_MODE_TX_ENABLE |
MAC_RGMII_MODE_TX_LOWPWR |
MAC_RGMII_MODE_TX_RESET;
}
tw32(MAC_EXT_RGMII_MODE, val);
}

static void tg3_mdio_start(struct tg3 *tp)
{
if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
Expand All @@ -880,6 +926,9 @@ static void tg3_mdio_start(struct tg3 *tp)
tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
tw32_f(MAC_MI_MODE, tp->mi_mode);
udelay(80);

if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED)
tg3_mdio_config(tp);
}

static void tg3_mdio_stop(struct tg3 *tp)
Expand All @@ -895,6 +944,7 @@ static int tg3_mdio_init(struct tg3 *tp)
{
int i;
u32 reg;
struct phy_device *phydev;
struct mii_bus *mdio_bus = &tp->mdio_bus;

tg3_mdio_start(tp);
Expand Down Expand Up @@ -928,13 +978,34 @@ static int tg3_mdio_init(struct tg3 *tp)
tg3_bmcr_reset(tp);

i = mdiobus_register(mdio_bus);
if (!i)
tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
else
if (i) {
printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
tp->dev->name, i);
return i;
}

return i;
tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;

phydev = tp->mdio_bus.phy_map[PHY_ADDR];

switch (phydev->phy_id) {
case TG3_PHY_ID_BCM50610:
phydev->interface = PHY_INTERFACE_MODE_RGMII;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
break;
case TG3_PHY_ID_BCMAC131:
phydev->interface = PHY_INTERFACE_MODE_MII;
break;
}

tg3_mdio_config(tp);

return 0;
}

static void tg3_mdio_fini(struct tg3 *tp)
Expand Down Expand Up @@ -1238,8 +1309,8 @@ static int tg3_phy_init(struct tg3 *tp)
phydev = tp->mdio_bus.phy_map[PHY_ADDR];

/* Attach the MAC to the PHY. */
phydev = phy_connect(tp->dev, phydev->dev.bus_id,
tg3_adjust_link, 0, phydev->interface);
phydev = phy_connect(tp->dev, phydev->dev.bus_id, tg3_adjust_link,
phydev->dev_flags, phydev->interface);
if (IS_ERR(phydev)) {
printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
return PTR_ERR(phydev);
Expand Down Expand Up @@ -11219,7 +11290,7 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
u32 nic_cfg, led_cfg;
u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
int eeprom_phy_serdes = 0;

tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
Expand All @@ -11233,6 +11304,9 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
(ver > 0) && (ver < 0x100))
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);

if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);

if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
eeprom_phy_serdes = 1;
Expand Down Expand Up @@ -11357,6 +11431,13 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
}

if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
}
}

Expand Down
30 changes: 29 additions & 1 deletion drivers/net/tg3.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -529,7 +529,23 @@
#define MAC_SERDES_CFG 0x00000590
#define MAC_SERDES_CFG_EDGE_SELECT 0x00001000
#define MAC_SERDES_STAT 0x00000594
/* 0x598 --> 0x5b0 unused */
/* 0x598 --> 0x5a0 unused */
#define MAC_PHYCFG1 0x000005a0
#define MAC_PHYCFG1_RGMII_INT 0x00000001
#define MAC_PHYCFG1_RGMII_EXT_RX_DEC 0x02000000
#define MAC_PHYCFG1_RGMII_SND_STAT_EN 0x04000000
#define MAC_PHYCFG1_TXC_DRV 0x20000000
#define MAC_PHYCFG2 0x000005a4
#define MAC_PHYCFG2_INBAND_ENABLE 0x00000001
#define MAC_EXT_RGMII_MODE 0x000005a8
#define MAC_RGMII_MODE_TX_ENABLE 0x00000001
#define MAC_RGMII_MODE_TX_LOWPWR 0x00000002
#define MAC_RGMII_MODE_TX_RESET 0x00000004
#define MAC_RGMII_MODE_RX_INT_B 0x00000100
#define MAC_RGMII_MODE_RX_QUALITY 0x00000200
#define MAC_RGMII_MODE_RX_ACTIVITY 0x00000400
#define MAC_RGMII_MODE_RX_ENG_DET 0x00000800
/* 0x5ac --> 0x5b0 unused */
#define SERDES_RX_CTRL 0x000005b0 /* 5780/5714 only */
#define SERDES_RX_SIG_DETECT 0x00000400
#define SG_DIG_CTRL 0x000005b0
Expand Down Expand Up @@ -1715,6 +1731,12 @@
#define NIC_SRAM_DATA_CFG_3 0x00000d3c
#define NIC_SRAM_ASPM_DEBOUNCE 0x00000002

#define NIC_SRAM_DATA_CFG_4 0x00000d60
#define NIC_SRAM_GMII_MODE 0x00000002
#define NIC_SRAM_RGMII_STD_IBND_DISABLE 0x00000004
#define NIC_SRAM_RGMII_EXT_IBND_RX_EN 0x00000008
#define NIC_SRAM_RGMII_EXT_IBND_TX_EN 0x00000010

#define NIC_SRAM_RX_MINI_BUFFER_DESC 0x00001000

#define NIC_SRAM_DMA_DESC_POOL_BASE 0x00002000
Expand Down Expand Up @@ -2486,6 +2508,9 @@ struct tg3 {
#define TG3_FLG3_MDIOBUS_INITED 0x00000020
#define TG3_FLG3_MDIOBUS_PAUSED 0x00000040
#define TG3_FLG3_PHY_CONNECTED 0x00000080
#define TG3_FLG3_RGMII_STD_IBND_DISABLE 0x00000100
#define TG3_FLG3_RGMII_EXT_IBND_RX_EN 0x00000200
#define TG3_FLG3_RGMII_EXT_IBND_TX_EN 0x00000400

struct timer_list timer;
u16 timer_counter;
Expand Down Expand Up @@ -2556,6 +2581,9 @@ struct tg3 {
#define PHY_REV_BCM5401_B2 0x3
#define PHY_REV_BCM5401_C0 0x6
#define PHY_REV_BCM5411_X0 0x1 /* Found on Netgear GA302T */
#define TG3_PHY_ID_BCM50610 0x143bd60
#define TG3_PHY_ID_BCMAC131 0x143bc70


u32 led_ctrl;
u32 phy_otp;
Expand Down
6 changes: 6 additions & 0 deletions include/linux/brcmphy.h
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#define PHY_BRCM_WIRESPEED_ENABLE 0x00000001
#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000002
#define PHY_BRCM_APD_CLK125_ENABLE 0x00000004
#define PHY_BRCM_STD_IBND_DISABLE 0x00000008
#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00000010
#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00000020

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