#ifndef __SIS190_H__
#define __SIS190_H__
FILE_LICENCE ( GPL_ANY );
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <byteswap.h>
#include <errno.h>
#include <mii.h>
#include <gpxe/ethernet.h>
#include <gpxe/if_ether.h>
#include <gpxe/io.h>
#include <gpxe/iobuf.h>
#include <gpxe/malloc.h>
#include <gpxe/netdevice.h>
#include <gpxe/pci.h>
#include <gpxe/timer.h>
#define PCI_VENDOR_ID_SI 0x1039
#define PHY_MAX_ADDR 32
#define PHY_ID_ANY 0x1f
#define MII_REG_ANY 0x1f
#define DRV_VERSION "1.3"
#define DRV_NAME "sis190"
#define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
#define PFX DRV_NAME ": "
#define sis190_rx_quota(count, quota) count
#define NUM_TX_DESC 8 /* [8..1024] */
#define NUM_RX_DESC 8 /* [8..8192] */
#define TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
#define RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
#define RX_BUF_SIZE 1536
#define RX_BUF_MASK 0xfff8
#define RING_ALIGNMENT 256
#define SIS190_REGS_SIZE 0x80
/* Enhanced PHY access register bit definitions */
#define EhnMIIread 0x0000
#define EhnMIIwrite 0x0020
#define EhnMIIdataShift 16
#define EhnMIIpmdShift 6 /* 7016 only */
#define EhnMIIregShift 11
#define EhnMIIreq 0x0010
#define EhnMIInotDone 0x0010
/* Write/read MMIO register */
#define SIS_W8(reg, val) writeb ((val), ioaddr + (reg))
#define SIS_W16(reg, val) writew ((val), ioaddr + (reg))
#define SIS_W32(reg, val) writel ((val), ioaddr + (reg))
#define SIS_R8(reg) readb (ioaddr + (reg))
#define SIS_R16(reg) readw (ioaddr + (reg))
#define SIS_R32(reg) readl (ioaddr + (reg))
#define SIS_PCI_COMMIT() SIS_R32(IntrControl)
enum sis190_registers {
TxControl = 0x00,
TxDescStartAddr = 0x04,
rsv0 = 0x08, // reserved
TxSts = 0x0c, // unused (Control/Status)
RxControl = 0x10,
RxDescStartAddr = 0x14,
rsv1 = 0x18, // reserved
RxSts = 0x1c, // unused
IntrStatus = 0x20,
IntrMask = 0x24,
IntrControl = 0x28,
IntrTimer = 0x2c, // unused (Interupt Timer)
PMControl = 0x30, // unused (Power Mgmt Control/Status)
rsv2 = 0x34, // reserved
ROMControl = 0x38,
ROMInterface = 0x3c,
StationControl = 0x40,
GMIIControl = 0x44,
GIoCR = 0x48, // unused (GMAC IO Compensation)
GIoCtrl = 0x4c, // unused (GMAC IO Control)
TxMacControl = 0x50,
TxLimit = 0x54, // unused (Tx MAC Timer/TryLimit)
RGDelay = 0x58, // unused (RGMII Tx Internal Delay)
rsv3 = 0x5c, // reserved
RxMacControl = 0x60,
RxMacAddr = 0x62,
RxHashTable = 0x68,
// Undocumented = 0x6c,
RxWolCtrl = 0x70,
RxWolData = 0x74, // unused (Rx WOL Data Access)
RxMPSControl = 0x78, // unused (Rx MPS Control)
rsv4 = 0x7c, // reserved
};
enum sis190_register_content {
/* IntrStatus */
SoftInt = 0x40000000, // unused
Timeup = 0x20000000, // unused
PauseFrame = 0x00080000, // unused
MagicPacket = 0x00040000, // unused
WakeupFrame = 0x00020000, // unused
LinkChange = 0x00010000,
RxQEmpty = 0x00000080,
RxQInt = 0x00000040,
TxQ1Empty = 0x00000020, // unused
TxQ1Int = 0x00000010,
TxQ0Empty = 0x00000008, // unused
TxQ0Int = 0x00000004,
RxHalt = 0x00000002,
TxHalt = 0x00000001,
/* {Rx/Tx}CmdBits */
CmdReset = 0x10,
CmdRxEnb = 0x08, // unused
CmdTxEnb = 0x01,
RxBufEmpty = 0x01, // unused
/* Cfg9346Bits */
Cfg9346_Lock = 0x00, // unused
Cfg9346_Unlock = 0xc0, // unused
/* RxMacControl */
AcceptErr = 0x20, // unused
AcceptRunt = 0x10, // unused
AcceptBroadcast = 0x0800,
AcceptMulticast = 0x0400,
AcceptMyPhys = 0x0200,
AcceptAllPhys = 0x0100,
/* RxConfigBits */
RxCfgFIFOShift = 13,
RxCfgDMAShift = 8, // 0x1a in RxControl ?
/* TxConfigBits */
TxInterFrameGapShift = 24,
TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
LinkStatus = 0x02, // unused
FullDup = 0x01, // unused
/* TBICSRBit */
TBILinkOK = 0x02000000, // unused
};
struct TxDesc {
volatile u32 PSize;
volatile u32 status;
volatile u32 addr;
volatile u32 size;
};
struct RxDesc {
volatile u32 PSize;
volatile u32 status;
volatile u32 addr;
volatile u32 size;
};
enum _DescStatusBit {
/* _Desc.status */
OWNbit = 0x80000000, // RXOWN/TXOWN
INTbit = 0x40000000, // RXINT/TXINT
CRCbit = 0x00020000, // CRCOFF/CRCEN
PADbit = 0x00010000, // PREADD/PADEN
/* _Desc.size */
RingEnd = 0x80000000,
/* TxDesc.status */
LSEN = 0x08000000, // TSO ? -- FR
IPCS = 0x04000000,
TCPCS = 0x02000000,
UDPCS = 0x01000000,
BSTEN = 0x00800000,
EXTEN = 0x00400000,
DEFEN = 0x00200000,
BKFEN = 0x00100000,
CRSEN = 0x00080000,
COLEN = 0x00040000,
THOL3 = 0x30000000,
THOL2 = 0x20000000,
THOL1 = 0x10000000,
THOL0 = 0x00000000,
WND = 0x00080000,
TABRT = 0x00040000,
FIFO = 0x00020000,
LINK = 0x00010000,
ColCountMask = 0x0000ffff,
/* RxDesc.status */
IPON = 0x20000000,
TCPON = 0x10000000,
UDPON = 0x08000000,
Wakup = 0x00400000,
Magic = 0x00200000,
Pause = 0x00100000,
DEFbit = 0x00200000,
BCAST = 0x000c0000,
MCAST = 0x00080000,
UCAST = 0x00040000,
/* RxDesc.PSize */
TAGON = 0x80000000,
RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR
ABORT = 0x00800000,
SHORT = 0x00400000,
LIMIT = 0x00200000,
MIIER = 0x00100000,
OVRUN = 0x00080000,
NIBON = 0x00040000,
COLON = 0x00020000,
CRCOK = 0x00010000,
RxSizeMask = 0x0000ffff
/*
* The asic could apparently do vlan, TSO, jumbo (sis191 only) and
* provide two (unused with Linux) Tx queues. No publically
* available documentation alas.
*/
};
enum sis190_eeprom_access_register_bits {
EECS = 0x00000001, // unused
EECLK = 0x00000002, // unused
EEDO = 0x00000008, // unused
EEDI = 0x00000004, // unused
EEREQ = 0x00000080,
EEROP = 0x00000200,
EEWOP = 0x00000100 // unused
};
/* EEPROM Addresses */
enum sis190_eeprom_address {
EEPROMSignature = 0x00,
EEPROMCLK = 0x01, // unused
EEPROMInfo = 0x02,
EEPROMMACAddr = 0x03
};
enum sis190_feature {
F_HAS_RGMII = 1,
F_PHY_88E1111 = 2,
F_PHY_BCM5461 = 4
};
struct sis190_private {
void *mmio_addr;
struct pci_device *pci_device;
struct net_device *dev;
u32 cur_rx;
u32 cur_tx;
u32 dirty_rx;
u32 dirty_tx;
u32 rx_dma;
u32 tx_dma;
struct RxDesc *RxDescRing;
struct TxDesc *TxDescRing;
struct io_buffer *Rx_iobuf[NUM_RX_DESC];
struct io_buffer *Tx_iobuf[NUM_TX_DESC];
struct mii_if_info mii_if;
struct list_head first_phy;
u32 features;
};
struct sis190_phy {
struct list_head list;
int phy_id;
u16 id[2];
u16 status;
u8 type;
};
enum sis190_phy_type {
UNKNOWN = 0x00,
HOME = 0x01,
LAN = 0x02,
MIX = 0x03
};
static struct mii_chip_info {
const char *name;
u16 id[2];
unsigned int type;
u32 feature;
} mii_chip_table[] = {
{ "Atheros PHY", { 0x004d, 0xd010 }, LAN, 0 },
{ "Atheros PHY AR8012", { 0x004d, 0xd020 }, LAN, 0 },
{ "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
{ "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 },
{ "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
{ "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
{ "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
{ NULL, { 0x00, 0x00 }, 0, 0 }
};
static const struct {
const char *name;
} sis_chip_info[] = {
{ "SiS 190 PCI Fast Ethernet adapter" },
{ "SiS 191 PCI Gigabit Ethernet adapter" },
};
static void sis190_phy_task(struct sis190_private *tp);
static void sis190_free(struct net_device *dev);
static inline void sis190_init_rxfilter(struct net_device *dev);
#endif