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[Drivers-r8169] Add support for newer rtl8169 variants from Hilko Bengen 

03-19-2008, Hilko Bengen, Cleanups and fixes for newer cards
(successfully tested with 8110SC-d onboard NIC)
This commit is contained in:
Marty Connor 2008-03-31 09:14:23 -04:00
parent b107637008
commit fbb6a3fd65
2 changed files with 363 additions and 221 deletions
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581
src/drivers/net/r8169.c
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@ -40,6 +40,9 @@
* v1.5 01-17-2004 timlegge Initial driver output cleanup * v1.5 01-17-2004 timlegge Initial driver output cleanup
* v1.6 03-27-2004 timlegge Additional Cleanup * v1.6 03-27-2004 timlegge Additional Cleanup
* v1.7 11-22-2005 timlegge Update to RealTek Driver Version 2.2 * v1.7 11-22-2005 timlegge Update to RealTek Driver Version 2.2
*
* 03-19-2008 Hilko Bengen Cleanups and fixes for newer cards
* (successfully tested with 8110SC-d onboard NIC)
* *
* Indent Options: indent -kr -i8 * Indent Options: indent -kr -i8
***************************************************************************/ ***************************************************************************/
@ -50,8 +53,8 @@
#include <gpxe/ethernet.h> #include <gpxe/ethernet.h>
#include <gpxe/malloc.h> #include <gpxe/malloc.h>
#define drv_version "v1.6" #define drv_version "v1.7+"
#define drv_date "03-27-2004" #define drv_date "03-19-2008"
#define HZ 1000 #define HZ 1000
@ -72,16 +75,6 @@ static u32 ioaddr;
#undef RTL8169_DYNAMIC_CONTROL #undef RTL8169_DYNAMIC_CONTROL
#define RTL8169_USE_IO #define RTL8169_USE_IO
/* media options
_10_Half = 0x01,
_10_Full = 0x02,
_100_Half = 0x04,
_100_Full = 0x08,
_1000_Full = 0x10,
*/
static int media = -1;
#if 0 #if 0
/* Maximum events (Rx packets, etc.) to handle at each interrupt. */ /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
static int max_interrupt_work = 20; static int max_interrupt_work = 20;
@ -148,29 +141,59 @@ static int multicast_filter_limit = 32;
#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg))) #define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
#endif #endif
#define MCFG_METHOD_1 0x01 enum mac_version {
#define MCFG_METHOD_2 0x02 RTL_GIGA_MAC_VER_01 = 0x01, // 8169
#define MCFG_METHOD_3 0x03 RTL_GIGA_MAC_VER_02 = 0x02, // 8169S
#define MCFG_METHOD_4 0x04 RTL_GIGA_MAC_VER_03 = 0x03, // 8110S
RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB
RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd
RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe
RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb
RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be
RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb
RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 ?
RTL_GIGA_MAC_VER_15 = 0x0f, // 8101 ?
RTL_GIGA_MAC_VER_16 = 0x11, // 8101Ec
RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf
RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP
RTL_GIGA_MAC_VER_19 = 0x13, // 8168C
RTL_GIGA_MAC_VER_20 = 0x14 // 8168C
};
#define PCFG_METHOD_1 0x01 //PHY Reg 0x03 bit0-3 == 0x0000 enum cfg_version {
#define PCFG_METHOD_2 0x02 //PHY Reg 0x03 bit0-3 == 0x0001 RTL_CFG_0 = 0x00,
#define PCFG_METHOD_3 0x03 //PHY Reg 0x03 bit0-3 == 0x0002 RTL_CFG_1,
RTL_CFG_2
};
static struct { static struct {
const char *name; const char *name;
u8 mcfg; /* depend on RTL8169 docs */ u8 mac_version; /* depend on RTL8169 docs */
u32 RxConfigMask; /* should clear the bits supported by this chip */ u32 RxConfigMask; /* should clear the bits supported by this chip */
} rtl_chip_info[] = { } rtl_chip_info[] = {
{ {"RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880}, // 8169
"RTL-8169", MCFG_METHOD_1, 0xff7e1880,}, { {"RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880}, // 8169S
"RTL8169s/8110s", MCFG_METHOD_2, 0xff7e1880}, { {"RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880}, // 8110S
"RTL8169s/8110s", MCFG_METHOD_3, 0xff7e1880},}; {"RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880}, // 8169SB
{"RTL8169sc/8110sc-d",RTL_GIGA_MAC_VER_05, 0xff7e1880}, // 8110SCd
{"RTL8169sc/8110sc-e",RTL_GIGA_MAC_VER_06, 0xff7e1880}, // 8110SCe
{"RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880}, // PCI-E
{"RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880}, // PCI-E
{"RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880}, // PCI-E 8139
{"RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880}, // PCI-E 8139
{"RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880}, // PCI-E 8139
{"RTL8168b/8111b", RTL_GIGA_MAC_VER_17, 0xff7e1880}, // PCI-E
{"RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880}, // PCI-E
{"RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880}, // PCI-E
{"RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880}, // PCI-E
{"RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880}, // PCI-E
};
enum RTL8169_registers { enum RTL8169_registers {
MAC0 = 0x0, /* Ethernet hardware address. */ MAC0 = 0x0, /* Ethernet hardware address. */
MAR0 = 0x8, /* Multicast filter. */ MAR0 = 0x8, /* Multicast filter. */
TxDescStartAddr = 0x20, TxDescAddrLow = 0x20,
TxDescAddrHigh = 0x24,
TxHDescStartAddr = 0x28, TxHDescStartAddr = 0x28,
FLASH = 0x30, FLASH = 0x30,
ERSR = 0x36, ERSR = 0x36,
@ -194,9 +217,11 @@ enum RTL8169_registers {
TBI_ANAR = 0x68, TBI_ANAR = 0x68,
TBI_LPAR = 0x6A, TBI_LPAR = 0x6A,
PHYstatus = 0x6C, PHYstatus = 0x6C,
RxMaxSize = 0xDA, RxMaxSize = 0xda,
CPlusCmd = 0xE0, CPlusCmd = 0xe0,
RxDescStartAddr = 0xE4, IntrMitigate = 0xe2,
RxDescAddrLow = 0xe4,
RxDescAddrHigh = 0xe8,
ETThReg = 0xEC, ETThReg = 0xEC,
FuncEvent = 0xF0, FuncEvent = 0xF0,
FuncEventMask = 0xF4, FuncEventMask = 0xF4,
@ -345,7 +370,7 @@ static struct rtl8169_private {
void *mmio_addr; /* memory map physical address */ void *mmio_addr; /* memory map physical address */
int chipset; int chipset;
int pcfg; int pcfg;
int mcfg; int mac_version;
unsigned long cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ unsigned long cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
unsigned long cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ unsigned long cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
struct TxDesc *TxDescArray; /* Index of 256-alignment Tx Descriptor buffer */ struct TxDesc *TxDescArray; /* Index of 256-alignment Tx Descriptor buffer */
@ -354,16 +379,14 @@ static struct rtl8169_private {
unsigned char *Tx_skbuff[NUM_TX_DESC]; unsigned char *Tx_skbuff[NUM_TX_DESC];
} tpx; } tpx;
static struct rtl8169_private *tpc;
static const u16 rtl8169_intr_mask = static const u16 rtl8169_intr_mask =
LinkChg | RxOverflow | RxFIFOOver | TxErr | TxOK | RxErr | RxOK; LinkChg | RxOverflow | RxFIFOOver | TxErr | TxOK | RxErr | RxOK;
static const unsigned int rtl8169_rx_config = static const unsigned int rtl8169_rx_config =
(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift) | (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift) |
0x0000000E; 0x0000000E;
static void rtl8169_hw_PHY_config(struct nic *nic __unused); static void rtl8169_hw_phy_config(struct nic *nic __unused);
//static void rtl8169_hw_PHY_reset(struct net_device *dev); //static void rtl8169_hw_phy_reset(struct net_device *dev);
#define RTL8169_WRITE_GMII_REG_BIT( ioaddr, reg, bitnum, bitval )\ #define RTL8169_WRITE_GMII_REG_BIT( ioaddr, reg, bitnum, bitval )\
{ \ { \
@ -457,6 +480,65 @@ static int mdio_read(int RegAddr)
} }
#endif #endif
static void rtl8169_get_mac_version( struct rtl8169_private *tp,
u32 ioaddr )
{
/*
* The driver currently handles the 8168Bf and the 8168Be identically
* but they can be identified more specifically through the test below
* if needed:
*
* (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
*
* Same thing for the 8101Eb and the 8101Ec:
*
* (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
*/
const struct {
u32 mask;
u32 val;
int mac_version;
} mac_info[] = {
/* 8168B family. */
{ 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
{ 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
{ 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
{ 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_20 },
/* 8168B family. */
{ 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
{ 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
{ 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
{ 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
/* 8101 family. */
{ 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
{ 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
{ 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
/* FIXME: where did these entries come from ? -- FR */
{ 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
{ 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
/* 8110 family. */
{ 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
{ 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
{ 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
{ 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
{ 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
{ 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
{ 0x00000000, 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */
}, *p = mac_info;
unsigned long rv;
rv = (RTL_R32(TxConfig));
while ((rv & p->mask) != p->val)
p++;
tp->mac_version = p->mac_version;
if (p->mask == 0x00000000) {
DBG("unknown MAC (%08lx)\n", rv);
}
}
#define IORESOURCE_MEM 0x00000200 #define IORESOURCE_MEM 0x00000200
static int rtl8169_init_board(struct pci_device *pdev) static int rtl8169_init_board(struct pci_device *pdev)
@ -464,6 +546,7 @@ static int rtl8169_init_board(struct pci_device *pdev)
int i; int i;
// unsigned long mmio_end, mmio_flags // unsigned long mmio_end, mmio_flags
unsigned long mmio_start, mmio_len; unsigned long mmio_start, mmio_len;
struct rtl8169_private *tp = &tpx;
adjust_pci_device(pdev); adjust_pci_device(pdev);
@ -494,7 +577,7 @@ static int rtl8169_init_board(struct pci_device *pdev)
} }
#endif #endif
tpc->mmio_addr = &ioaddr; tp->mmio_addr = (void*)ioaddr;
/* Soft reset the chip. */ /* Soft reset the chip. */
RTL_W8(ChipCmd, CmdReset); RTL_W8(ChipCmd, CmdReset);
@ -504,48 +587,39 @@ static int rtl8169_init_board(struct pci_device *pdev)
break; break;
else else
udelay(10); udelay(10);
// identify config method
{ /* Identify chip attached to board */
unsigned long val32 = (RTL_R32(TxConfig) & 0x7c800000); rtl8169_get_mac_version( tp, ioaddr );
if (val32 == (0x1 << 28)) {
tpc->mcfg = MCFG_METHOD_4; // rtl8169_print_mac_version(tp);
} else if (val32 == (0x1 << 26)) {
tpc->mcfg = MCFG_METHOD_3;
} else if (val32 == (0x1 << 23)) {
tpc->mcfg = MCFG_METHOD_2;
} else if (val32 == 0x00000000) {
tpc->mcfg = MCFG_METHOD_1;
} else {
tpc->mcfg = MCFG_METHOD_1;
}
}
{ {
unsigned char val8 = unsigned char val8 =
(unsigned char) (RTL8169_READ_GMII_REG(ioaddr, 3) & (unsigned char) (RTL8169_READ_GMII_REG(ioaddr, 3) &
0x000f); 0x000f);
if (val8 == 0x00) { if (val8 == 0x00) {
tpc->pcfg = PCFG_METHOD_1; tp->pcfg = RTL_CFG_0;
} else if (val8 == 0x01) { } else if (val8 == 0x01) {
tpc->pcfg = PCFG_METHOD_2; tp->pcfg = RTL_CFG_1;
} else if (val8 == 0x02) { } else if (val8 == 0x02) {
tpc->pcfg = PCFG_METHOD_3; tp->pcfg = RTL_CFG_2;
} else { } else {
tpc->pcfg = PCFG_METHOD_3; tp->pcfg = RTL_CFG_2;
} }
} }
/* identify chip attached to board */ /* identify chip attached to board */
for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--) for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--)
if (tpc->mcfg == rtl_chip_info[i].mcfg) { if (tp->mac_version == rtl_chip_info[i].mac_version) {
tpc->chipset = i; tp->chipset = i;
goto match; goto match;
} }
/* if unknown chip, assume array element #0, original RTL-8169 in this case */ /* if unknown chip, assume array element #0, original RTL-8169 in this case */
DBG ( "PCI device: unknown chip version, assuming RTL-8169\n" ); DBG ( "PCI device: unknown chip version, assuming RTL-8169\n" );
DBG ( "PCI device: TxConfig = %#lX\n", ( unsigned long ) RTL_R32 ( TxConfig ) ); DBG ( "PCI device: TxConfig = %#lX\n", ( unsigned long ) RTL_R32 ( TxConfig ) );
tpc->chipset = 0; tp->chipset = 0;
return 1; return 1;
match: match:
@ -584,51 +658,57 @@ static void r8169_irq(struct nic *nic __unused, irq_action_t action)
/************************************************************************** /**************************************************************************
POLL - Wait for a frame POLL - Wait for a frame
***************************************************************************/ ***************************************************************************/
static int r8169_poll(struct nic *nic, int retreive) static int r8169_poll(struct nic *nic, int retrieve)
{ {
/* return true if there's an ethernet packet ready to read */ /* return true if there's an ethernet packet ready to read */
/* nic->packet should contain data on return */ /* nic->packet should contain data on return */
/* nic->packetlen should contain length of data */ /* nic->packetlen should contain length of data */
int cur_rx; int cur_rx;
unsigned int intr_status = 0; unsigned int intr_status = 0;
cur_rx = tpc->cur_rx; struct rtl8169_private *tp = &tpx;
if ((tpc->RxDescArray[cur_rx].status & OWNbit) == 0) {
cur_rx = tp->cur_rx;
if ((tp->RxDescArray[cur_rx].status & OWNbit) == 0) {
/* There is a packet ready */ /* There is a packet ready */
if (!retreive) DBG("r8169_poll(): packet ready\n");
if (!retrieve)
return 1; return 1;
intr_status = RTL_R16(IntrStatus); intr_status = RTL_R16(IntrStatus);
/* h/w no longer present (hotplug?) or major error, /* h/w no longer present (hotplug?) or major error,
bail */ bail */
if (intr_status == 0xFFFF) if (intr_status == 0xFFFF) {
DBG("r8169_poll(): unknown error\n");
return 0; return 0;
}
RTL_W16(IntrStatus, intr_status & RTL_W16(IntrStatus, intr_status &
~(RxFIFOOver | RxOverflow | RxOK)); ~(RxFIFOOver | RxOverflow | RxOK));
if (!(tpc->RxDescArray[cur_rx].status & RxRES)) { if (!(tp->RxDescArray[cur_rx].status & RxRES)) {
nic->packetlen = (int) (tpc->RxDescArray[cur_rx]. nic->packetlen = (int) (tp->RxDescArray[cur_rx].
status & 0x00001FFF) - 4; status & 0x00001FFF) - 4;
memcpy(nic->packet, tpc->RxBufferRing[cur_rx], memcpy(nic->packet, tp->RxBufferRing[cur_rx],
nic->packetlen); nic->packetlen);
if (cur_rx == NUM_RX_DESC - 1) if (cur_rx == NUM_RX_DESC - 1)
tpc->RxDescArray[cur_rx].status = tp->RxDescArray[cur_rx].status =
(OWNbit | EORbit) + RX_BUF_SIZE; (OWNbit | EORbit) + RX_BUF_SIZE;
else else
tpc->RxDescArray[cur_rx].status = tp->RxDescArray[cur_rx].status =
OWNbit + RX_BUF_SIZE; OWNbit + RX_BUF_SIZE;
tpc->RxDescArray[cur_rx].buf_addr = tp->RxDescArray[cur_rx].buf_addr =
virt_to_bus(tpc->RxBufferRing[cur_rx]); virt_to_bus(tp->RxBufferRing[cur_rx]);
tp->RxDescArray[cur_rx].buf_Haddr = 0;
} else } else
printf("Error Rx"); printf("Error Rx");
/* FIXME: shouldn't I reset the status on an error */ /* FIXME: shouldn't I reset the status on an error */
cur_rx = (cur_rx + 1) % NUM_RX_DESC; cur_rx = (cur_rx + 1) % NUM_RX_DESC;
tpc->cur_rx = cur_rx; tp->cur_rx = cur_rx;
RTL_W16(IntrStatus, intr_status & RTL_W16(IntrStatus, intr_status &
(RxFIFOOver | RxOverflow | RxOK)); (RxFIFOOver | RxOverflow | RxOK));
return 1; return 1;
} }
tpc->cur_rx = cur_rx; tp->cur_rx = cur_rx;
/* FIXME: There is no reason to do this as cur_rx did not change */ /* FIXME: There is no reason to do this as cur_rx did not change */
return (0); /* initially as this is called to flush the input */ return (0); /* initially as this is called to flush the input */
@ -648,10 +728,11 @@ static void r8169_transmit(struct nic *nic, const char *d, /* Destination */
u16 nstype; u16 nstype;
u32 to; u32 to;
u8 *ptxb; u8 *ptxb;
int entry = tpc->cur_tx % NUM_TX_DESC; struct rtl8169_private *tp = &tpx;
int entry = tp->cur_tx % NUM_TX_DESC;
/* point to the current txb incase multiple tx_rings are used */ /* point to the current txb incase multiple tx_rings are used */
ptxb = tpc->Tx_skbuff[entry * MAX_ETH_FRAME_SIZE]; ptxb = tp->Tx_skbuff[entry * MAX_ETH_FRAME_SIZE];
memcpy(ptxb, d, ETH_ALEN); memcpy(ptxb, d, ETH_ALEN);
memcpy(ptxb + ETH_ALEN, nic->node_addr, ETH_ALEN); memcpy(ptxb + ETH_ALEN, nic->node_addr, ETH_ALEN);
nstype = htons((u16) t); nstype = htons((u16) t);
@ -662,20 +743,21 @@ static void r8169_transmit(struct nic *nic, const char *d, /* Destination */
while (s < ETH_ZLEN) while (s < ETH_ZLEN)
ptxb[s++] = '\0'; ptxb[s++] = '\0';
tpc->TxDescArray[entry].buf_addr = virt_to_bus(ptxb); tp->TxDescArray[entry].buf_addr = virt_to_bus(ptxb);
tp->TxDescArray[entry].buf_Haddr = 0;
if (entry != (NUM_TX_DESC - 1)) if (entry != (NUM_TX_DESC - 1))
tpc->TxDescArray[entry].status = tp->TxDescArray[entry].status =
(OWNbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s : (OWNbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s :
ETH_ZLEN); ETH_ZLEN);
else else
tpc->TxDescArray[entry].status = tp->TxDescArray[entry].status =
(OWNbit | EORbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s (OWNbit | EORbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s
: ETH_ZLEN); : ETH_ZLEN);
RTL_W8(TxPoll, 0x40); /* set polling bit */ RTL_W8(TxPoll, 0x40); /* set polling bit */
tpc->cur_tx++; tp->cur_tx++;
to = currticks() + TX_TIMEOUT; to = currticks() + TX_TIMEOUT;
while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */ while ((tp->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */
if (currticks() >= to) { if (currticks() >= to) {
printf("TX Time Out"); printf("TX Time Out");
@ -687,6 +769,7 @@ static void rtl8169_set_rx_mode(struct nic *nic __unused)
u32 mc_filter[2]; /* Multicast hash filter */ u32 mc_filter[2]; /* Multicast hash filter */
int rx_mode; int rx_mode;
u32 tmp = 0; u32 tmp = 0;
struct rtl8169_private *tp = &tpx;
/* IFF_ALLMULTI */ /* IFF_ALLMULTI */
/* Too many to filter perfectly -- accept all multicasts. */ /* Too many to filter perfectly -- accept all multicasts. */
@ -695,7 +778,7 @@ static void rtl8169_set_rx_mode(struct nic *nic __unused)
tmp = tmp =
rtl8169_rx_config | rx_mode | (RTL_R32(RxConfig) & rtl8169_rx_config | rx_mode | (RTL_R32(RxConfig) &
rtl_chip_info[tpc->chipset]. rtl_chip_info[tp->chipset].
RxConfigMask); RxConfigMask);
RTL_W32(RxConfig, tmp); RTL_W32(RxConfig, tmp);
@ -705,6 +788,7 @@ static void rtl8169_set_rx_mode(struct nic *nic __unused)
static void rtl8169_hw_start(struct nic *nic) static void rtl8169_hw_start(struct nic *nic)
{ {
u32 i; u32 i;
struct rtl8169_private *tp = &tpx;
/* Soft reset the chip. */ /* Soft reset the chip. */
RTL_W8(ChipCmd, CmdReset); RTL_W8(ChipCmd, CmdReset);
@ -726,7 +810,7 @@ static void rtl8169_hw_start(struct nic *nic)
/* Set Rx Config register */ /* Set Rx Config register */
i = rtl8169_rx_config | (RTL_R32(RxConfig) & i = rtl8169_rx_config | (RTL_R32(RxConfig) &
rtl_chip_info[tpc->chipset].RxConfigMask); rtl_chip_info[tp->chipset].RxConfigMask);
RTL_W32(RxConfig, i); RTL_W32(RxConfig, i);
/* Set DMA burst size and Interframe Gap Time */ /* Set DMA burst size and Interframe Gap Time */
@ -737,7 +821,7 @@ static void rtl8169_hw_start(struct nic *nic)
RTL_W16(CPlusCmd, RTL_R16(CPlusCmd)); RTL_W16(CPlusCmd, RTL_R16(CPlusCmd));
if (tpc->mcfg == MCFG_METHOD_2 || tpc->mcfg == MCFG_METHOD_3) { if (tp->mac_version == RTL_GIGA_MAC_VER_02 || tp->mac_version == RTL_GIGA_MAC_VER_03) {
RTL_W16(CPlusCmd, RTL_W16(CPlusCmd,
(RTL_R16(CPlusCmd) | (1 << 14) | (1 << 3))); (RTL_R16(CPlusCmd) | (1 << 14) | (1 << 3)));
DBG DBG
@ -748,18 +832,18 @@ static void rtl8169_hw_start(struct nic *nic)
} }
{ {
//RTL_W16(0xE2, 0x1517); //RTL_W16(IntrMitigate, 0x1517);
//RTL_W16(0xE2, 0x152a); //RTL_W16(IntrMitigate, 0x152a);
//RTL_W16(0xE2, 0x282a); //RTL_W16(IntrMitigate, 0x282a);
RTL_W16(0xE2, 0x0000); RTL_W16(IntrMitigate, 0x0000);
} }
tp->cur_rx = 0;
RTL_W32(TxDescAddrLow, virt_to_le32desc(tp->TxDescArray));
tpc->cur_rx = 0; RTL_W32(TxDescAddrHigh, virt_to_le32desc(NULL));
RTL_W32(RxDescAddrLow, virt_to_le32desc(tp->RxDescArray));
RTL_W32(TxDescStartAddr, virt_to_le32desc(tpc->TxDescArray)); RTL_W32(RxDescAddrHigh, virt_to_le32desc(NULL));
RTL_W32(RxDescStartAddr, virt_to_le32desc(tpc->RxDescArray));
RTL_W8(Cfg9346, Cfg9346_Lock); RTL_W8(Cfg9346, Cfg9346_Lock);
udelay(10); udelay(10);
@ -777,26 +861,28 @@ static void rtl8169_hw_start(struct nic *nic)
static void rtl8169_init_ring(struct nic *nic __unused) static void rtl8169_init_ring(struct nic *nic __unused)
{ {
int i; int i;
struct rtl8169_private *tp = &tpx;
tpc->cur_rx = 0; tp->cur_rx = 0;
tpc->cur_tx = 0; tp->cur_tx = 0;
memset(tpc->TxDescArray, 0x0, NUM_TX_DESC * sizeof(struct TxDesc)); memset(tp->TxDescArray, 0x0, NUM_TX_DESC * sizeof(struct TxDesc));
memset(tpc->RxDescArray, 0x0, NUM_RX_DESC * sizeof(struct RxDesc)); memset(tp->RxDescArray, 0x0, NUM_RX_DESC * sizeof(struct RxDesc));
for (i = 0; i < NUM_TX_DESC; i++) { for (i = 0; i < NUM_TX_DESC; i++) {
tpc->Tx_skbuff[i] = &txb[i]; tp->Tx_skbuff[i] = &txb[i];
} }
for (i = 0; i < NUM_RX_DESC; i++) { for (i = 0; i < NUM_RX_DESC; i++) {
if (i == (NUM_RX_DESC - 1)) if (i == (NUM_RX_DESC - 1))
tpc->RxDescArray[i].status = tp->RxDescArray[i].status =
(OWNbit | EORbit) | RX_BUF_SIZE; (OWNbit | EORbit) | RX_BUF_SIZE;
else else
tpc->RxDescArray[i].status = OWNbit | RX_BUF_SIZE; tp->RxDescArray[i].status = OWNbit | RX_BUF_SIZE;
tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE]; tp->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE];
tpc->RxDescArray[i].buf_addr = tp->RxDescArray[i].buf_addr =
virt_to_bus(tpc->RxBufferRing[i]); virt_to_bus(tp->RxBufferRing[i]);
tp->RxDescArray[i].buf_Haddr = 0;
} }
} }
@ -806,9 +892,10 @@ RESET - Finish setting up the ethernet interface
static void r8169_reset(struct nic *nic) static void r8169_reset(struct nic *nic)
{ {
int i; int i;
struct rtl8169_private *tp = &tpx;
tpc->TxDescArray = tx_ring; tp->TxDescArray = tx_ring;
tpc->RxDescArray = rx_ring; tp->RxDescArray = rx_ring;
rtl8169_init_ring(nic); rtl8169_init_ring(nic);
rtl8169_hw_start(nic); rtl8169_hw_start(nic);
@ -830,6 +917,8 @@ DISABLE - Turn off ethernet interface
***************************************************************************/ ***************************************************************************/
static void r8169_disable ( struct nic *nic __unused ) { static void r8169_disable ( struct nic *nic __unused ) {
int i; int i;
struct rtl8169_private *tp = &tpx;
/* Stop the chip's Tx and Rx DMA processes. */ /* Stop the chip's Tx and Rx DMA processes. */
RTL_W8(ChipCmd, 0x00); RTL_W8(ChipCmd, 0x00);
@ -838,10 +927,10 @@ static void r8169_disable ( struct nic *nic __unused ) {
RTL_W32(RxMissed, 0); RTL_W32(RxMissed, 0);
tpc->TxDescArray = NULL; tp->TxDescArray = NULL;
tpc->RxDescArray = NULL; tp->RxDescArray = NULL;
for (i = 0; i < NUM_RX_DESC; i++) { for (i = 0; i < NUM_RX_DESC; i++) {
tpc->RxBufferRing[i] = NULL; tp->RxBufferRing[i] = NULL;
} }
} }
@ -858,6 +947,10 @@ static struct pci_device_id r8169_nics[] = {
PCI_ROM(0x16ec, 0x0116, "usr-r8169", "US Robotics RTL8169 Gigabit Ethernet"), PCI_ROM(0x16ec, 0x0116, "usr-r8169", "US Robotics RTL8169 Gigabit Ethernet"),
PCI_ROM(0x1186, 0x4300, "dlink-r8169", "D-Link RTL8169 Gigabit Ethernet"), PCI_ROM(0x1186, 0x4300, "dlink-r8169", "D-Link RTL8169 Gigabit Ethernet"),
PCI_ROM(0x1737, 0x1032, "linksys-r8169", "Linksys RTL8169 Gigabit Ethernet"), PCI_ROM(0x1737, 0x1032, "linksys-r8169", "Linksys RTL8169 Gigabit Ethernet"),
PCI_ROM(0x10ec, 0x8129, "r8169-8129", "RealTek RT8129 Fast Ethernet Adapter"),
PCI_ROM(0x10ec, 0x8136, "r8169-8101e", "RealTek RTL8101E PCI Express Fast Ethernet controller"),
PCI_ROM(0x10ec, 0x8167, "r8169-8110sc/8169sc", "RealTek RTL-8110SC/8169SC Gigabit Ethernet"),
PCI_ROM(0x10ec, 0x8168, "r8169-8168b", "RealTek RTL8111/8168B PCI Express Gigabit Ethernet controller"),
}; };
PCI_DRIVER ( r8169_driver, r8169_nics, PCI_NO_CLASS ); PCI_DRIVER ( r8169_driver, r8169_nics, PCI_NO_CLASS );
@ -872,6 +965,7 @@ static int r8169_probe ( struct nic *nic, struct pci_device *pci ) {
static int board_idx = -1; static int board_idx = -1;
static int printed_version = 0; static int printed_version = 0;
struct rtl8169_private *tp = &tpx;
int i, rc; int i, rc;
int option = -1, Cap10_100 = 0, Cap1000 = 0; int option = -1, Cap10_100 = 0, Cap1000 = 0;
@ -891,9 +985,6 @@ static int r8169_probe ( struct nic *nic, struct pci_device *pci ) {
return 0; return 0;
memset ( r8169_bufs, 0, sizeof ( *r8169_bufs ) ); memset ( r8169_bufs, 0, sizeof ( *r8169_bufs ) );
/* point to private storage */
tpc = &tpx;
rc = rtl8169_init_board(pci); /* Return code is meaningless */ rc = rtl8169_init_board(pci); /* Return code is meaningless */
/* Get MAC address. FIXME: read EEPROM */ /* Get MAC address. FIXME: read EEPROM */
@ -901,30 +992,32 @@ static int r8169_probe ( struct nic *nic, struct pci_device *pci ) {
nic->node_addr[i] = RTL_R8(MAC0 + i); nic->node_addr[i] = RTL_R8(MAC0 + i);
DBG ( "%s: Identified chip type is '%s'.\n", pci->driver_name, DBG ( "%s: Identified chip type is '%s'.\n", pci->driver_name,
rtl_chip_info[tpc->chipset].name ); rtl_chip_info[tp->chipset].name );
/* Print out some hardware info */ /* Print out some hardware info */
DBG ( "%s: %s at IOAddr %#hX, ", pci->driver_name, eth_ntoa ( nic->node_addr ), DBG ( "%s: %s at ioaddr %#hx, ", pci->driver_name, eth_ntoa ( nic->node_addr ),
(unsigned int) ioaddr ); (unsigned int) ioaddr );
/* Config PHY */ /* Config PHY */
rtl8169_hw_PHY_config(nic); rtl8169_hw_phy_config(nic);
DBG("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); DBG("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
RTL_W8(0x82, 0x01); RTL_W8(0x82, 0x01);
if (tpc->mcfg < MCFG_METHOD_3) { pci_write_config_byte(pci, PCI_LATENCY_TIMER, 0x40);
DBG("Set PCI Latency=0x40\n");
pci_write_config_byte(pci, PCI_LATENCY_TIMER, 0x40);
}
if (tpc->mcfg == MCFG_METHOD_2) { if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
pci_write_config_byte(pci, PCI_CACHE_LINE_SIZE, 0x08);
if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
DBG("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); DBG("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
RTL_W8(0x82, 0x01); RTL_W8(0x82, 0x01);
DBG("Set PHY Reg 0x0bh = 0x00h\n"); DBG("Set PHY Reg 0x0bh = 0x00h\n");
RTL8169_WRITE_GMII_REG(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 RTL8169_WRITE_GMII_REG(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
} }
r8169_reset(nic);
/* if TBI is not endbled */ /* if TBI is not endbled */
if (!(RTL_R8(PHYstatus) & TBI_Enable)) { if (!(RTL_R8(PHYstatus) & TBI_Enable)) {
int val = RTL8169_READ_GMII_REG(ioaddr, PHY_AUTO_NEGO_REG); int val = RTL8169_READ_GMII_REG(ioaddr, PHY_AUTO_NEGO_REG);
@ -933,7 +1026,6 @@ static int r8169_probe ( struct nic *nic, struct pci_device *pci ) {
val |= PHY_Cap_PAUSE | PHY_Cap_ASYM_PAUSE; val |= PHY_Cap_PAUSE | PHY_Cap_ASYM_PAUSE;
#endif //end #define RTL8169_HW_FLOW_CONTROL_SUPPORT #endif //end #define RTL8169_HW_FLOW_CONTROL_SUPPORT
option = media;
/* Force RTL8169 in 10/100/1000 Full/Half mode. */ /* Force RTL8169 in 10/100/1000 Full/Half mode. */
if (option > 0) { if (option > 0) {
printf(" Force-mode Enabled.\n"); printf(" Force-mode Enabled.\n");
@ -1062,113 +1154,160 @@ static void rtl8169_hw_PHY_reset(struct nic *nic __unused)
*/ */
//====================================================================================================== struct phy_reg {
static void rtl8169_hw_PHY_config(struct nic *nic __unused) u16 reg;
u16 val;
};
static void rtl_phy_write(void *ioaddr, struct phy_reg *regs, int len)
{ {
while (len-- > 0) {
RTL8169_WRITE_GMII_REG((u32)ioaddr, regs->reg, regs->val);
regs++;
}
}
DBG("priv->mcfg=%d, priv->pcfg=%d\n", tpc->mcfg, tpc->pcfg); static void rtl8169s_hw_phy_config(void *ioaddr)
{
struct {
u16 regs[5]; /* Beware of bit-sign propagation */
} phy_magic[5] = { {
{ 0x0000, //w 4 15 12 0
0x00a1, //w 3 15 0 00a1
0x0008, //w 2 15 0 0008
0x1020, //w 1 15 0 1020
0x1000 } },{ //w 0 15 0 1000
{ 0x7000, //w 4 15 12 7
0xff41, //w 3 15 0 ff41
0xde60, //w 2 15 0 de60
0x0140, //w 1 15 0 0140
0x0077 } },{ //w 0 15 0 0077
{ 0xa000, //w 4 15 12 a
0xdf01, //w 3 15 0 df01
0xdf20, //w 2 15 0 df20
0xff95, //w 1 15 0 ff95
0xfa00 } },{ //w 0 15 0 fa00
{ 0xb000, //w 4 15 12 b
0xff41, //w 3 15 0 ff41
0xde20, //w 2 15 0 de20
0x0140, //w 1 15 0 0140
0x00bb } },{ //w 0 15 0 00bb
{ 0xf000, //w 4 15 12 f
0xdf01, //w 3 15 0 df01
0xdf20, //w 2 15 0 df20
0xff95, //w 1 15 0 ff95
0xbf00 } //w 0 15 0 bf00
}
}, *p = phy_magic;
unsigned int i;
if (tpc->mcfg == MCFG_METHOD_4) { RTL8169_WRITE_GMII_REG((u32)ioaddr, 0x1f, 0x0001); //w 31 2 0 1
/* RTL8169_WRITE_GMII_REG((u32)ioaddr, 0x15, 0x1000); //w 21 15 0 1000
RTL8169_WRITE_GMII_REG( (unsigned long)ioaddr, 0x1F, 0x0001 ); RTL8169_WRITE_GMII_REG((u32)ioaddr, 0x18, 0x65c7); //w 24 15 0 65c7
RTL8169_WRITE_GMII_REG( (unsigned long)ioaddr, 0x1b, 0x841e ); RTL8169_WRITE_GMII_REG_BIT((u32)ioaddr, 4, 11, 0); //w 4 11 11 0
RTL8169_WRITE_GMII_REG( (unsigned long)ioaddr, 0x0e, 0x7bfb );
RTL8169_WRITE_GMII_REG( (unsigned long)ioaddr, 0x09, 0x273a );
*/
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x1F, for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) {
0x0002); int val, pos = 4;
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01,
0x90D0); val = (RTL8169_READ_GMII_REG((u32)ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x1F, RTL8169_WRITE_GMII_REG((u32)ioaddr, pos, val);
0x0000); while (--pos >= 0)
} else if ((tpc->mcfg == MCFG_METHOD_2) RTL8169_WRITE_GMII_REG((u32)ioaddr, pos, p->regs[4 - pos] & 0xffff);
|| (tpc->mcfg == MCFG_METHOD_3)) { RTL8169_WRITE_GMII_REG_BIT((u32)ioaddr, 4, 11, 1); //w 4 11 11 1
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x1F, RTL8169_WRITE_GMII_REG_BIT((u32)ioaddr, 4, 11, 0); //w 4 11 11 0
0x0001); }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x15, RTL8169_WRITE_GMII_REG((u32)ioaddr, 0x1f, 0x0000); //w 31 2 0 0
0x1000); }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x18,
0x65C7); static void rtl8169sb_hw_phy_config(void *ioaddr)
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, {
0x0000); struct phy_reg phy_reg_init[] = {
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x03, { 0x1f, 0x0002 },
0x00A1); { 0x01, 0x90d0 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x02, { 0x1f, 0x0000 }
0x0008); };
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01,
0x1020); rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x00, }
0x1000);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, static void rtl8168cp_hw_phy_config(void *ioaddr)
0x0800); {
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, struct phy_reg phy_reg_init[] = {
0x0000); { 0x1f, 0x0000 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x1d, 0x0f00 },
0x7000); { 0x1f, 0x0002 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x03, { 0x0c, 0x1ec8 },
0xFF41); { 0x1f, 0x0000 }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x02, };
0xDE60);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01, rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
0x0140); }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x00,
0x0077); static void rtl8168c_hw_phy_config(void *ioaddr)
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, {
0x7800); struct phy_reg phy_reg_init[] = {
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x1f, 0x0001 },
0x7000); { 0x12, 0x2300 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x1f, 0x0002 },
0xA000); { 0x00, 0x88d4 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x03, { 0x01, 0x82b1 },
0xDF01); { 0x03, 0x7002 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x02, { 0x08, 0x9e30 },
0xDF20); { 0x09, 0x01f0 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01, { 0x0a, 0x5500 },
0xFF95); { 0x0c, 0x00c8 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x00, { 0x1f, 0x0003 },
0xFA00); { 0x12, 0xc096 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x16, 0x000a },
0xA800); { 0x1f, 0x0000 }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, };
0xA000);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
0xB000); }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x03,
0xFF41); static void rtl8168cx_hw_phy_config(void *ioaddr)
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x02, {
0xDE20); struct phy_reg phy_reg_init[] = {
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01, { 0x1f, 0x0000 },
0x0140); { 0x12, 0x2300 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x00, { 0x1f, 0x0003 },
0x00BB); { 0x16, 0x0f0a },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x1f, 0x0000 },
0xB800); { 0x1f, 0x0002 },
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, { 0x0c, 0x7eb8 },
0xB000); { 0x1f, 0x0000 }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, };
0xF000);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x03, rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
0xDF01); }
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x02,
0xDF20); static void rtl8169_hw_phy_config(struct nic *nic __unused)
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x01, {
0xFF95); struct rtl8169_private *tp = &tpx;
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x00, void *ioaddr = tp->mmio_addr;
0xBF00); DBG("rtl8169_hw_phy_config(): card at addr=0x%lx: priv->mac_version=%d, priv->pcfg=%d\n", (unsigned long) ioaddr, tp->mac_version, tp->pcfg);
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04,
0xF800); switch (tp->mac_version) {
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, case RTL_GIGA_MAC_VER_01:
0xF000); break;
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x04, case RTL_GIGA_MAC_VER_02:
0x0000); case RTL_GIGA_MAC_VER_03:
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x1F, rtl8169s_hw_phy_config(ioaddr);
0x0000); break;
RTL8169_WRITE_GMII_REG((unsigned long) ioaddr, 0x0B, case RTL_GIGA_MAC_VER_04:
0x0000); rtl8169sb_hw_phy_config(ioaddr);
} else { break;
DBG("tpc->mcfg=%d. Discard hw PHY config.\n", case RTL_GIGA_MAC_VER_18:
tpc->mcfg); rtl8168cp_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_19:
rtl8168c_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_20:
rtl8168cx_hw_phy_config(ioaddr);
break;
default:
break;
} }
} }

3
src/include/gpxe/pci.h
View File

@ -30,7 +30,10 @@
#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
#define PCI_COMMAND_MEM 0x2 /* Enable response in mem space */ #define PCI_COMMAND_MEM 0x2 /* Enable response in mem space */
#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ #define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
#define PCI_LATENCY_TIMER 0x0d /* 8 bits */ #define PCI_LATENCY_TIMER 0x0d /* 8 bits */
#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ #define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ #define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */
#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ #define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */