diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/src/drivers/net/tulip.c | 2614 |
1 files changed, 1549 insertions, 1065 deletions
diff --git a/linux/src/drivers/net/tulip.c b/linux/src/drivers/net/tulip.c index 4aba1af..4140350 100644 --- a/linux/src/drivers/net/tulip.c +++ b/linux/src/drivers/net/tulip.c @@ -1,13 +1,13 @@ /* tulip.c: A DEC 21040-family ethernet driver for Linux. */ /* - Written 1994-1998 by Donald Becker. + Written/copyright 1994-1999 by Donald Becker. This software may be used and distributed according to the terms of the GNU Public License, incorporated herein by reference. - This driver is for the Digital "Tulip" ethernet adapter interface. + This driver is for the Digital "Tulip" Ethernet adapter interface. It should work with most DEC 21*4*-based chips/ethercards, as well as - PNIC and MXIC chips. + with work-alike chips from Lite-On (PNIC) and Macronix (MXIC) and ASIX. The author may be reached as becker@CESDIS.gsfc.nasa.gov, or C/O Center of Excellence in Space Data and Information Sciences @@ -15,10 +15,14 @@ Support and updates available at http://cesdis.gsfc.nasa.gov/linux/drivers/tulip.html + + This driver also contains updates by Wolfgang Walter and others. + For this specific driver variant please use linux-kernel for + bug reports. */ #define SMP_CHECK -static const char version[] = "tulip.c:v0.89H 5/23/98 becker@cesdis.gsfc.nasa.gov\n"; +static const char version[] = "tulip.c:v0.91g-ppc 7/16/99 becker@cesdis.gsfc.nasa.gov\n"; /* A few user-configurable values. */ @@ -60,17 +64,51 @@ static int rx_copybreak = 1518; static int rx_copybreak = 100; #endif +/* + Set the bus performance register. + Typical: Set 16 longword cache alignment, no burst limit. + Cache alignment bits 15:14 Burst length 13:8 + 0000 No alignment 0x00000000 unlimited 0800 8 longwords + 4000 8 longwords 0100 1 longword 1000 16 longwords + 8000 16 longwords 0200 2 longwords 2000 32 longwords + C000 32 longwords 0400 4 longwords + Warning: many older 486 systems are broken and require setting 0x00A04800 + 8 longword cache alignment, 8 longword burst. + ToDo: Non-Intel setting could be better. +*/ + +#if defined(__alpha__) +static int csr0 = 0x01A00000 | 0xE000; +#elif defined(__i386__) || defined(__powerpc__) || defined(__sparc__) +static int csr0 = 0x01A00000 | 0x8000; +#else +#warning Processor architecture undefined! +static int csr0 = 0x00A00000 | 0x4800; +#endif + /* Operational parameters that usually are not changed. */ /* Time in jiffies before concluding the transmitter is hung. */ #define TX_TIMEOUT (4*HZ) +#define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/ +/* This is a mysterious value that can be written to CSR11 in the 21040 (only) + to support a pre-NWay full-duplex signaling mechanism using short frames. + No one knows what it should be, but if left at its default value some + 10base2(!) packets trigger a full-duplex-request interrupt. */ +#define FULL_DUPLEX_MAGIC 0x6969 + +#if !defined(__OPTIMIZE__) || !defined(__KERNEL__) +#warning You must compile this file with the correct options! +#warning See the last lines of the source file. +#error You must compile this driver with "-O". +#endif #include <linux/config.h> +#include <linux/version.h> #ifdef MODULE #ifdef MODVERSIONS #include <linux/modversions.h> #endif #include <linux/module.h> -#include <linux/version.h> #else #define MOD_INC_USE_COUNT #define MOD_DEC_USE_COUNT @@ -80,87 +118,80 @@ static int rx_copybreak = 100; #include <linux/sched.h> #include <linux/string.h> #include <linux/timer.h> -#include <linux/ptrace.h> #include <linux/errno.h> #include <linux/ioport.h> #include <linux/malloc.h> #include <linux/interrupt.h> #include <linux/pci.h> -#include <linux/bios32.h> -#include <asm/processor.h> /* Processor type for cache alignment. */ -#include <asm/bitops.h> -#include <asm/io.h> -#include <asm/dma.h> - #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> +#include <asm/processor.h> /* Processor type for cache alignment. */ +#include <asm/bitops.h> +#include <asm/io.h> +#include <asm/unaligned.h> -/* Kernel compatibility defines, common to David Hind's PCMCIA package. +/* Kernel compatibility defines, some common to David Hind's PCMCIA package. This is only in the support-all-kernels source code. */ -#include <linux/version.h> /* Evil, but neccessary */ -#if defined (LINUX_VERSION_CODE) && LINUX_VERSION_CODE < 0x10300 -#define RUN_AT(x) (x) /* What to put in timer->expires. */ -#define DEV_ALLOC_SKB(len) alloc_skb(len, GFP_ATOMIC) -#define virt_to_bus(addr) ((unsigned long)addr) -#define bus_to_virt(addr) ((void*)addr) +#if defined(MODULE) && LINUX_VERSION_CODE > 0x20115 +MODULE_AUTHOR("Donald Becker <becker@cesdis.gsfc.nasa.gov>"); +MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver"); +MODULE_PARM(debug, "i"); +MODULE_PARM(max_interrupt_work, "i"); +MODULE_PARM(reverse_probe, "i"); +MODULE_PARM(rx_copybreak, "i"); +MODULE_PARM(csr0, "i"); +MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i"); +MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i"); +#endif -#else /* 1.3.0 and later */ #define RUN_AT(x) (jiffies + (x)) -#define DEV_ALLOC_SKB(len) dev_alloc_skb(len + 2) + +#if (LINUX_VERSION_CODE >= 0x20100) +static char kernel_version[] = UTS_RELEASE; #endif -#if defined (LINUX_VERSION_CODE) && LINUX_VERSION_CODE < 0x10338 -#ifdef MODULE -#if !defined(CONFIG_MODVERSIONS) && !defined(__NO_VERSION__) -char kernel_version[] = UTS_RELEASE; +#if LINUX_VERSION_CODE < 0x20123 +#define hard_smp_processor_id() smp_processor_id() +#define test_and_set_bit(val, addr) set_bit(val, addr) +#define le16_to_cpu(val) (val) +#define le32_to_cpu(val) (val) +#define cpu_to_le32(val) (val) #endif +#if LINUX_VERSION_CODE <= 0x20139 +#define net_device_stats enet_statistics #else -#undef MOD_INC_USE_COUNT -#define MOD_INC_USE_COUNT -#undef MOD_DEC_USE_COUNT -#define MOD_DEC_USE_COUNT -#endif -#endif /* 1.3.38 */ - -#if (LINUX_VERSION_CODE >= 0x10344) -#define NEW_MULTICAST -#include <linux/delay.h> +#define NETSTATS_VER2 #endif -#if (LINUX_VERSION_CODE >= 0x20100) -char kernel_version[] = UTS_RELEASE; +#if LINUX_VERSION_CODE < 0x20155 +/* Grrrr, the PCI code changed, but did not consider CardBus... */ +#include <linux/bios32.h> +#define PCI_SUPPORT_VER1 +#else +#define PCI_SUPPORT_VER2 #endif -#ifdef SA_SHIRQ -#define IRQ(irq, dev_id, pt_regs) (irq, dev_id, pt_regs) +#if LINUX_VERSION_CODE < 0x20159 +#define dev_free_skb(skb) dev_kfree_skb(skb, FREE_WRITE); #else -#define IRQ(irq, dev_id, pt_regs) (irq, pt_regs) +#define dev_free_skb(skb) dev_kfree_skb(skb); #endif - -#if (LINUX_VERSION_CODE < 0x20123) -#define hard_smp_processor_id() smp_processor_id() -#define test_and_set_bit(val, addr) set_bit(val, addr) +#if ! defined(CAP_NET_ADMIN) +#define capable(CAP_XXX) (suser()) #endif - -/* This my implementation of shared IRQs, now only used for 1.2.13. */ -#ifdef HAVE_SHARED_IRQ -#define USE_SHARED_IRQ -#include <linux/shared_irq.h> +#if ! defined(HAS_NETIF_QUEUE) +#define netif_wake_queue(dev) mark_bh(NET_BH); #endif -/* The total size is unusually large: The 21040 aligns each of its 16 - longword-wide registers on a quadword boundary. */ -#define TULIP_TOTAL_SIZE 0x80 - -#ifdef HAVE_DEVLIST -struct netdev_entry tulip_drv = -{"Tulip", tulip_pci_probe, TULIP_TOTAL_SIZE, NULL}; -#endif +/* Condensed operations for readability. */ +#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr)) +#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr)) +#define tulip_debug debug #ifdef TULIP_DEBUG -int tulip_debug = TULIP_DEBUG; +static int tulip_debug = TULIP_DEBUG; #else -int tulip_debug = 1; +static int tulip_debug = 1; #endif /* @@ -170,17 +201,27 @@ I. Board Compatibility This device driver is designed for the DECchip "Tulip", Digital's single-chip ethernet controllers for PCI. Supported members of the family -are the 21040, 21041, 21140, 21140A, 21142, and 21143. These chips are used on -many PCI boards including the SMC EtherPower series. +are the 21040, 21041, 21140, 21140A, 21142, and 21143. Similar work-alike +chips from Lite-On, Macronics, ASIX, Compex and other listed below are also +supported. +These chips are used on at least 140 unique PCI board designs. The great +number of chips and board designs supported is the reason for the +driver size and complexity. Almost of the increasing complexity is in the +board configuration and media selection code. There is very little +increasing in the operational critical path length. II. Board-specific settings PCI bus devices are configured by the system at boot time, so no jumpers need to be set on the board. The system BIOS preferably should assign the PCI INTA signal to an otherwise unused system IRQ line. -Note: Kernel versions earlier than 1.3.73 do not support shared PCI -interrupt lines. + +Some boards have EEPROMs tables with default media entry. The factory default +is usually "autoselect". This should only be overridden when using +transceiver connections without link beat e.g. 10base2 or AUI, or (rarely!) +for forcing full-duplex when used with old link partners that do not do +autonegotiation. III. Driver operation @@ -228,111 +269,159 @@ tx_full and tbusy flags. IV. Notes -Thanks to Duke Kamstra of SMC for providing an EtherPower board. +Thanks to Duke Kamstra of SMC for long ago providing an EtherPower board. +Greg LaPolla at Linksys provided PNIC and other Linksys boards. +Znyx provided a four-port card for testing. IVb. References http://cesdis.gsfc.nasa.gov/linux/misc/NWay.html http://www.digital.com (search for current 21*4* datasheets and "21X4 SROM") -http://www.national.com/pf/DP/DP83840.html +http://www.national.com/pf/DP/DP83840A.html +http://www.asix.com.tw/pmac.htm +http://www.admtek.com.tw/ IVc. Errata -The DEC databook doesn't document which Rx filter settings accept broadcast -packets. Nor does it document how to configure the part to configure the -serial subsystem for normal (vs. loopback) operation or how to have it -autoswitch between internal 10baseT, SIA and AUI transceivers. - +The old DEC databooks were light on details. The 21040 databook claims that CSR13, CSR14, and CSR15 should each be the last -register of the set CSR12-15 written. Hmmm, now how is that possible? */ +register of the set CSR12-15 written. Hmmm, now how is that possible? +The DEC SROM format is very badly designed not precisely defined, leading to +part of the media selection junkheap below. Some boards do not have EEPROM +media tables and need to be patched up. Worse, other boards use the DEC +design kit media table when it isn't correct for their board. -/* A few values that may be tweaked. */ -#define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/ - -/* This is a mysterious value that can be written to CSR11 in the 21040 (only) - to support a pre-NWay full-duplex signaling mechanism using short frames. - No one knows what it should be, but if left at its default value some - 10base2(!) packets trigger a full-duplex-request interrupt. */ -#define FULL_DUPLEX_MAGIC 0x6969 +We cannot use MII interrupts because there is no defined GPIO pin to attach +them. The MII transceiver status is polled using an kernel timer. -#ifndef PCI_VENDOR_ID_DEC /* Now defined in linux/pci.h */ -#define PCI_VENDOR_ID_DEC 0x1011 -#define PCI_DEVICE_ID_TULIP 0x0002 /* 21040. */ -#define PCI_DEVICE_ID_TULIP_FAST 0x0009 /* 21140. */ -#endif - -#ifndef PCI_DEVICE_ID_DEC_TULIP_PLUS -#define PCI_DEVICE_ID_DEC_TULIP_PLUS 0x0014 /* 21041. */ -#endif -#ifndef PCI_DEVICE_ID_DEC_TULIP_21142 -#define PCI_DEVICE_ID_DEC_TULIP_21142 0x0019 -#endif +*/ -#ifndef PCI_VENDOR_ID_LITEON -#define PCI_VENDOR_ID_LITEON 0x11AD -#endif +static struct device * +tulip_probe1(int pci_bus, int pci_devfn, struct device *dev, long ioaddr, + int irq, int chip_idx, int board_idx); -#ifndef PCI_VENDOR_ID_MXIC -#define PCI_VENDOR_ID_MXIC 0x10d9 -#define PCI_DEVICE_ID_MX98713 0x0512 -#define PCI_DEVICE_ID_MX98715 0x0531 -#define PCI_DEVICE_ID_MX98725 0x0531 -#endif +/* This table drives the PCI probe routines. It's mostly boilerplate in all + of the drivers, and will likely be provided by some future kernel. + Note the matching code -- the first table entry matchs all 56** cards but + second only the 1234 card. +*/ +enum pci_flags_bit { + PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4, + PCI_ADDR0=0x10<<0, PCI_ADDR1=0x10<<1, PCI_ADDR2=0x10<<2, PCI_ADDR3=0x10<<3, +}; +#define PCI_ADDR0_IO (PCI_USES_IO|PCI_ADDR0) + +struct pci_id_info { + const char *name; + u16 vendor_id, device_id, device_id_mask, flags; + int io_size, min_latency; + struct device *(*probe1)(int pci_bus, int pci_devfn, struct device *dev, + long ioaddr, int irq, int chip_idx, int fnd_cnt); +}; +#ifndef CARDBUS +static struct pci_id_info pci_tbl[] = { + { "Digital DC21040 Tulip", + 0x1011, 0x0002, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Digital DC21041 Tulip", + 0x1011, 0x0014, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Digital DS21140 Tulip", + 0x1011, 0x0009, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Digital DS21143 Tulip", + 0x1011, 0x0019, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Lite-On 82c168 PNIC", + 0x11AD, 0x0002, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "Macronix 98713 PMAC", + 0x10d9, 0x0512, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "Macronix 98715 PMAC", + 0x10d9, 0x0531, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "Macronix 98725 PMAC", + 0x10d9, 0x0531, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "ASIX AX88140", + 0x125B, 0x1400, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Lite-On LC82C115 PNIC-II", + 0x11AD, 0xc115, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "ADMtek AN981 Comet", + 0x1317, 0x0981, 0xffff, PCI_ADDR0_IO, 256, 32, tulip_probe1 }, + { "Compex RL100-TX", + 0x11F6, 0x9881, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Intel 21145 Tulip", + 0x8086, 0x0039, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + { "Xircom Tulip clone", + 0x115d, 0x0003, 0xffff, PCI_ADDR0_IO, 128, 32, tulip_probe1 }, + {0}, +}; +#endif /* !CARD_BUS */ -/* The rest of these values should never change. */ +/* This table use during operation for capabilities and media timer. */ static void tulip_timer(unsigned long data); static void t21142_timer(unsigned long data); static void mxic_timer(unsigned long data); static void pnic_timer(unsigned long data); +static void comet_timer(unsigned long data); -/* A table describing the chip types. */ -enum tbl_flag { HAS_MII=1, HAS_MEDIA_TABLE = 2, CSR12_IN_SROM = 4,}; +enum tbl_flag { + HAS_MII=1, HAS_MEDIA_TABLE=2, CSR12_IN_SROM=4, ALWAYS_CHECK_MII=8, + HAS_PWRDWN=0x10, MC_HASH_ONLY=0x20, /* Hash-only multicast filter. */ + HAS_PNICNWAY=0x80, HAS_NWAY143=0x40, /* Uses internal NWay xcvr. */ + HAS_8023X=0x100, +}; static struct tulip_chip_table { - int vendor_id, device_id; char *chip_name; int io_size; int valid_intrs; /* CSR7 interrupt enable settings */ int flags; void (*media_timer)(unsigned long data); } tulip_tbl[] = { - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP, - "Digital DC21040 Tulip", 128, 0x0001ebef, 0, tulip_timer }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_PLUS, - "Digital DC21041 Tulip", 128, 0x0001ebef, HAS_MEDIA_TABLE, tulip_timer }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST, - "Digital DS21140 Tulip", 128, 0x0001ebef, - HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, - tulip_timer }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_21142, - "Digital DS21142/3 Tulip", 256, 0x0801fbff, - HAS_MII | HAS_MEDIA_TABLE, t21142_timer }, - { PCI_VENDOR_ID_LITEON, 0x0002, - "Lite-On 82c168 PNIC", 256, 0x0001ebef, HAS_MII, pnic_timer }, - { PCI_VENDOR_ID_MXIC, PCI_DEVICE_ID_MX98713, - "Macronix 98713 PMAC", 128, 0x0001ebef, - HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, tulip_timer /* Tulip-like! */ }, - { PCI_VENDOR_ID_MXIC, PCI_DEVICE_ID_MX98715, - "Macronix 98715 PMAC", 256, 0x0001ebef, HAS_MEDIA_TABLE, mxic_timer }, - { PCI_VENDOR_ID_MXIC, PCI_DEVICE_ID_MX98725, - "Macronix 98725 PMAC", 256, 0x0001ebef, HAS_MEDIA_TABLE, mxic_timer }, - { 0x125B, 0x1400, "ASIX AX88140", 128, 0x0001fbff, + { "Digital DC21040 Tulip", 128, 0x0001ebef, 0, tulip_timer }, + { "Digital DC21041 Tulip", 128, 0x0001ebff, HAS_MEDIA_TABLE, tulip_timer }, + { "Digital DS21140 Tulip", 128, 0x0001ebef, HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, tulip_timer }, - {0, 0, 0, 0}, + { "Digital DS21143 Tulip", 128, 0x0801fbff, + HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_PWRDWN | HAS_NWAY143, + t21142_timer }, + { "Lite-On 82c168 PNIC", 256, 0x0001ebef, + HAS_MII | HAS_PNICNWAY, pnic_timer }, + { "Macronix 98713 PMAC", 128, 0x0001ebef, + HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer }, + { "Macronix 98715 PMAC", 256, 0x0001ebef, + HAS_MEDIA_TABLE, mxic_timer }, + { "Macronix 98725 PMAC", 256, 0x0001ebef, + HAS_MEDIA_TABLE, mxic_timer }, + { "ASIX AX88140", 128, 0x0001fbff, + HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM | MC_HASH_ONLY, tulip_timer }, + { "Lite-On PNIC-II", 256, 0x0801fbff, + HAS_MII | HAS_NWAY143 | HAS_8023X, t21142_timer }, + { "ADMtek Comet", 256, 0x0001abef, + MC_HASH_ONLY, comet_timer }, + { "Compex 9881 PMAC", 128, 0x0001ebef, + HAS_MII | HAS_MEDIA_TABLE | CSR12_IN_SROM, mxic_timer }, + { "Intel DS21145 Tulip", 128, 0x0801fbff, + HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_PWRDWN | HAS_NWAY143, + t21142_timer }, + { "Xircom tulip work-alike", 128, 0x0801fbff, + HAS_MII | HAS_MEDIA_TABLE | ALWAYS_CHECK_MII | HAS_PWRDWN | HAS_NWAY143, + t21142_timer }, + {0}, +}; +/* This matches the table above. Note 21142 == 21143. */ +enum chips { + DC21040=0, DC21041=1, DC21140=2, DC21142=3, DC21143=3, + LC82C168, MX98713, MX98715, MX98725, AX88140, PNIC2, COMET, COMPEX9881, + I21145, }; -/* This matches the table above. */ -enum chips { DC21040=0, DC21041=1, DC21140=2, DC21142=3, DC21143=3, - LC82C168, MX98713, MX98715, MX98725}; /* A full-duplex map for media types. */ -enum MediaIs {MediaIsFD = 1, MediaAlwaysFD=2, MediaIsMII=4, MediaIsFx=8, - MediaIs100=16}; +enum MediaIs { + MediaIsFD = 1, MediaAlwaysFD=2, MediaIsMII=4, MediaIsFx=8, + MediaIs100=16}; static const char media_cap[] = {0,0,0,16, 3,19,16,24, 27,4,7,5, 0,20,23,20 }; +static u8 t21040_csr13[] = {2,0x0C,8,4, 4,0,0,0, 0,0,0,0, 4,0,0,0}; /* 21041 transceiver register settings: 10-T, 10-2, AUI, 10-T, 10T-FD*/ -static u16 t21041_csr13[] = { 0xEF05, 0xEF09, 0xEF09, 0xEF01, 0xEF09, }; -static u16 t21041_csr14[] = { 0x7F3F, 0xF7FD, 0xF7FD, 0x7F3F, 0x7F3D, }; +static u16 t21041_csr13[] = { 0xEF05, 0xEF0D, 0xEF0D, 0xEF05, 0xEF05, }; +static u16 t21041_csr14[] = { 0xFFFF, 0xF7FD, 0xF7FD, 0x7F3F, 0x7F3D, }; static u16 t21041_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, }; static u16 t21142_csr13[] = { 0x0001, 0x0009, 0x0009, 0x0000, 0x0001, }; @@ -348,7 +437,7 @@ enum tulip_offsets { /* The bits in the CSR5 status registers, mostly interrupt sources. */ enum status_bits { - TimerInt=0x800, TPLnkFail=0x1000, TPLnkPass=0x10, + TimerInt=0x800, SytemError=0x2000, TPLnkFail=0x1000, TPLnkPass=0x10, NormalIntr=0x10000, AbnormalIntr=0x8000, RxJabber=0x200, RxDied=0x100, RxNoBuf=0x80, RxIntr=0x40, TxFIFOUnderflow=0x20, TxJabber=0x08, TxNoBuf=0x04, TxDied=0x02, TxIntr=0x01, @@ -367,6 +456,22 @@ struct tulip_tx_desc { u32 buffer1, buffer2; /* We use only buffer 1. */ }; +enum desc_status_bits { + DescOwned=0x80000000, RxDescFatalErr=0x8000, RxWholePkt=0x0300, +}; + +/* Ring-wrap flag in length field, use for last ring entry. + 0x01000000 means chain on buffer2 address, + 0x02000000 means use the ring start address in CSR2/3. + Note: Some work-alike chips do not function correctly in chained mode. + The ASIX chip works only in chained mode. + Thus we indicates ring mode, but always write the 'next' field for + chained mode as well. +*/ +#define DESC_RING_WRAP 0x02000000 + +#define EEPROM_SIZE 128 /* 2 << EEPROM_ADDRLEN */ + struct medialeaf { u8 type; u8 media; @@ -376,7 +481,8 @@ struct medialeaf { struct mediatable { u16 defaultmedia; u8 leafcount, csr12dir; /* General purpose pin directions. */ - unsigned has_mii:1, has_nonmii:1; + unsigned has_mii:1, has_nonmii:1, has_reset:6; + u32 csr15dir, csr15val; /* 21143 NWay setting. */ struct medialeaf mleaf[0]; }; @@ -398,19 +504,13 @@ struct tulip_private { /* The addresses of receive-in-place skbuffs. */ struct sk_buff* rx_skbuff[RX_RING_SIZE]; char *rx_buffs; /* Address of temporary Rx buffers. */ - u32 setup_frame[48]; /* Pseudo-Tx frame to init address table. */ + u16 setup_frame[96]; /* Pseudo-Tx frame to init address table. */ int chip_id; int revision; -#if LINUX_VERSION_CODE > 0x20139 + int flags; struct net_device_stats stats; -#else - struct enet_statistics stats; -#endif struct timer_list timer; /* Media selection timer. */ int interrupt; /* In-interrupt flag. */ -#ifdef SMP_CHECK - int smp_proc_id; /* Which processor in IRQ handler. */ -#endif unsigned int cur_rx, cur_tx; /* The next free ring entry */ unsigned int dirty_rx, dirty_tx; /* The ring entries to be free()ed. */ unsigned int tx_full:1; /* The Tx queue is full. */ @@ -421,134 +521,141 @@ struct tulip_private { unsigned int media2:4; /* Secondary monitored media port. */ unsigned int medialock:1; /* Don't sense media type. */ unsigned int mediasense:1; /* Media sensing in progress. */ + unsigned int nway:1, nwayset:1; /* 21143 internal NWay. */ + unsigned int csr0; /* CSR0 setting. */ unsigned int csr6; /* Current CSR6 control settings. */ - unsigned char eeprom[128]; /* Serial EEPROM contents. */ + unsigned char eeprom[EEPROM_SIZE]; /* Serial EEPROM contents. */ + void (*link_change)(struct device *dev, int csr5); u16 to_advertise; /* NWay capabilities advertised. */ + u16 lpar; /* 21143 Link partner ability. */ u16 advertising[4]; signed char phys[4], mii_cnt; /* MII device addresses. */ struct mediatable *mtable; int cur_index; /* Current media index. */ - unsigned char pci_bus, pci_dev_fn; + int saved_if_port; + unsigned char pci_bus, pci_devfn; + int ttimer; + int susp_rx; + unsigned long nir; int pad0, pad1; /* Used for 8-byte alignment */ }; -static struct device *tulip_probe1(int pci_bus, int pci_devfn, - struct device *dev, - int chip_id, int options); static void parse_eeprom(struct device *dev); -static int read_eeprom(long ioaddr, int location); +static int read_eeprom(long ioaddr, int location, int addr_len); static int mdio_read(struct device *dev, int phy_id, int location); static void mdio_write(struct device *dev, int phy_id, int location, int value); static void select_media(struct device *dev, int startup); static int tulip_open(struct device *dev); -static void tulip_timer(unsigned long data); +/* Chip-specific media selection (timer functions prototyped above). */ +static void t21142_lnk_change(struct device *dev, int csr5); +static void t21142_start_nway(struct device *dev); +static void pnic_lnk_change(struct device *dev, int csr5); +static void pnic_do_nway(struct device *dev); + static void tulip_tx_timeout(struct device *dev); static void tulip_init_ring(struct device *dev); static int tulip_start_xmit(struct sk_buff *skb, struct device *dev); +static int tulip_refill_rx(struct device *dev); static int tulip_rx(struct device *dev); -static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *regs); +static void tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs); static int tulip_close(struct device *dev); -static struct enet_statistics *tulip_get_stats(struct device *dev); +static struct net_device_stats *tulip_get_stats(struct device *dev); #ifdef HAVE_PRIVATE_IOCTL static int private_ioctl(struct device *dev, struct ifreq *rq, int cmd); #endif -#ifdef NEW_MULTICAST static void set_rx_mode(struct device *dev); -#else -static void set_rx_mode(struct device *dev, int num_addrs, void *addrs); -#endif -/* A list of all installed Tulip devices, for removing the driver module. */ +/* A list of all installed Tulip devices. */ static struct device *root_tulip_dev = NULL; -/* This 21040 probe no longer uses a large fixed contiguous Rx buffer region, - but now receives directly into full-sized skbuffs that are allocated - at open() time. - This allows the probe routine to use the old driver initialization - interface. */ - +#ifndef CARDBUS int tulip_probe(struct device *dev) { int cards_found = 0; - static int pci_index = 0; /* Static, for multiple probe calls. */ + int pci_index = 0; unsigned char pci_bus, pci_device_fn; - /* Ideally we would detect all network cards in slot order. That would - be best done a central PCI probe dispatch, which wouldn't work - well with the current structure. So instead we detect just the - Tulip cards in slot order. */ - -#if LINUX_VERSION_CODE >= 0x20155 - if (! pci_present()) + if ( ! pcibios_present()) return -ENODEV; -#else - if (! pcibios_present()) - return -ENODEV; -#endif + for (;pci_index < 0xff; pci_index++) { - u16 vendor, device, pci_command, new_command; - u32 pci_ioaddr; - int chip_idx = 0; + u16 vendor, device, pci_command, new_command, subvendor; + int chip_idx; + int irq; + long ioaddr; if (pcibios_find_class (PCI_CLASS_NETWORK_ETHERNET << 8, reverse_probe ? 0xfe - pci_index : pci_index, - &pci_bus, &pci_device_fn) != PCIBIOS_SUCCESSFUL) + &pci_bus, &pci_device_fn) != PCIBIOS_SUCCESSFUL) { if (reverse_probe) continue; else break; + } pcibios_read_config_word(pci_bus, pci_device_fn, PCI_VENDOR_ID, &vendor); pcibios_read_config_word(pci_bus, pci_device_fn, PCI_DEVICE_ID, &device); + pcibios_read_config_word(pci_bus, pci_device_fn, + PCI_SUBSYSTEM_VENDOR_ID, &subvendor); + + if( subvendor == 0x1376 ){ + printk("tulip: skipping LMC card.\n"); + continue; + } - for (chip_idx = 0; tulip_tbl[chip_idx].chip_name; chip_idx++) - if (vendor == tulip_tbl[chip_idx].vendor_id && - device == tulip_tbl[chip_idx].device_id) + for (chip_idx = 0; pci_tbl[chip_idx].vendor_id; chip_idx++) + if (vendor == pci_tbl[chip_idx].vendor_id + && (device & pci_tbl[chip_idx].device_id_mask) == + pci_tbl[chip_idx].device_id) break; - if (tulip_tbl[chip_idx].chip_name == 0) { - if (vendor == PCI_VENDOR_ID_DEC || - vendor == PCI_VENDOR_ID_LITEON) - printk(KERN_INFO "Unknown Tulip-style PCI ethernet chip type" - " %4.4x %4.4x"" detected: not configured.\n", - vendor, device); + if (pci_tbl[chip_idx].vendor_id == 0) continue; - } -#if LINUX_VERSION_CODE >= 0x20155 - pci_ioaddr = pci_find_slot(pci_bus, pci_device_fn)->base_address[0]; + + { +#if defined(PCI_SUPPORT_VER2) + struct pci_dev *pdev = pci_find_slot(pci_bus, pci_device_fn); + ioaddr = pdev->base_address[0] & ~3; + irq = pdev->irq; #else - pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_0, - &pci_ioaddr); + u32 pci_ioaddr; + u8 pci_irq_line; + pcibios_read_config_dword(pci_bus, pci_device_fn, + PCI_BASE_ADDRESS_0, &pci_ioaddr); + pcibios_read_config_byte(pci_bus, pci_device_fn, + PCI_INTERRUPT_LINE, &pci_irq_line); + ioaddr = pci_ioaddr & ~3; + irq = pci_irq_line; #endif - /* Remove I/O space marker in bit 0. */ - pci_ioaddr &= ~3; + } - if (tulip_debug > 2) - printk(KERN_DEBUG "Found %s at I/O %#x.\n", - tulip_tbl[chip_idx].chip_name, pci_ioaddr); + if (debug > 2) + printk(KERN_INFO "Found %s at PCI I/O address %#lx.\n", + pci_tbl[chip_idx].name, ioaddr); - if (check_region(pci_ioaddr, tulip_tbl[chip_idx].io_size)) + if (check_region(ioaddr, pci_tbl[chip_idx].io_size)) continue; pcibios_read_config_word(pci_bus, pci_device_fn, PCI_COMMAND, &pci_command); new_command = pci_command | PCI_COMMAND_MASTER|PCI_COMMAND_IO; if (pci_command != new_command) { - printk(KERN_INFO " The PCI BIOS has not enabled this" - " device! Updating PCI command %4.4x->%4.4x.\n", - pci_command, new_command); + printk(KERN_INFO " The PCI BIOS has not enabled the" + " device at %d/%d! Updating PCI command %4.4x->%4.4x.\n", + pci_bus, pci_device_fn, pci_command, new_command); pcibios_write_config_word(pci_bus, pci_device_fn, PCI_COMMAND, new_command); } - dev = tulip_probe1(pci_bus, pci_device_fn, dev, chip_idx, cards_found); + dev = pci_tbl[chip_idx].probe1(pci_bus, pci_device_fn, dev, ioaddr, + irq, chip_idx, cards_found); /* Get and check the bus-master and latency values. */ if (dev) { - unsigned char pci_latency; + u8 pci_latency; pcibios_read_config_byte(pci_bus, pci_device_fn, PCI_LATENCY_TIMER, &pci_latency); if (pci_latency < 10) { @@ -557,75 +664,62 @@ int tulip_probe(struct device *dev) pci_latency); pcibios_write_config_byte(pci_bus, pci_device_fn, PCI_LATENCY_TIMER, 64); - } else if (tulip_debug > 1) - printk(KERN_INFO " PCI latency timer (CFLT) is %#x, " - " PCI command is %4.4x.\n", - pci_latency, new_command); - /* Bring the 21143 out power-down mode. */ - if (device == PCI_DEVICE_ID_DEC_TULIP_21142) - pcibios_write_config_dword(pci_bus, pci_device_fn, - 0x40, 0x40000000); - dev = 0; - cards_found++; + } } + dev = 0; + cards_found++; } return cards_found ? 0 : -ENODEV; } +#endif /* not CARDBUS */ -static struct device *tulip_probe1(int pci_bus, int pci_device_fn, - struct device *dev, - int chip_id, int board_idx) +static struct device *tulip_probe1(int pci_bus, int pci_devfn, + struct device *dev, long ioaddr, int irq, + int chip_idx, int board_idx) { static int did_version = 0; /* Already printed version info. */ struct tulip_private *tp; - long ioaddr; - int irq; /* See note below on the multiport cards. */ static unsigned char last_phys_addr[6] = {0x00, 'L', 'i', 'n', 'u', 'x'}; static int last_irq = 0; static int multiport_cnt = 0; /* For four-port boards w/one EEPROM */ + u8 chip_rev; int i; unsigned short sum; + u8 ee_data[EEPROM_SIZE]; if (tulip_debug > 0 && did_version++ == 0) printk(KERN_INFO "%s", version); dev = init_etherdev(dev, 0); -#if LINUX_VERSION_CODE >= 0x20155 - irq = pci_find_slot(pci_bus, pci_device_fn)->irq; - ioaddr = pci_find_slot(pci_bus, pci_device_fn)->base_address[0]; -#else - { - u8 pci_irq_line; - u32 pci_ioaddr; - pcibios_read_config_byte(pci_bus, pci_device_fn, - PCI_INTERRUPT_LINE, &pci_irq_line); - pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_0, - &pci_ioaddr); - irq = pci_irq_line; - ioaddr = pci_ioaddr; - } -#endif - /* Remove I/O space marker in bit 0. */ - ioaddr &= ~3; + /* Make certain the data structures are quadword aligned. */ + tp = (void *)(((long)kmalloc(sizeof(*tp), GFP_KERNEL | GFP_DMA) + 7) & ~7); + memset(tp, 0, sizeof(*tp)); + dev->priv = tp; + + tp->next_module = root_tulip_dev; + root_tulip_dev = dev; - printk(KERN_INFO "%s: %s at %#3lx,", - dev->name, tulip_tbl[chip_id].chip_name, ioaddr); + pcibios_read_config_byte(pci_bus, pci_devfn, PCI_REVISION_ID, &chip_rev); + + /* Bring the 21041/21143 out of sleep mode. + Caution: Snooze mode does not work with some boards! */ + if (tulip_tbl[chip_idx].flags & HAS_PWRDWN) + pcibios_write_config_dword(pci_bus, pci_devfn, 0x40, 0x00000000); + + printk(KERN_INFO "%s: %s rev %d at %#3lx,", + dev->name, tulip_tbl[chip_idx].chip_name, chip_rev, ioaddr); /* Stop the chip's Tx and Rx processes. */ outl(inl(ioaddr + CSR6) & ~0x2002, ioaddr + CSR6); /* Clear the missed-packet counter. */ (volatile int)inl(ioaddr + CSR8); - if (chip_id == DC21041) { - if (inl(ioaddr + CSR9) & 0x8000) { - printk(" 21040 compatible mode,"); - chip_id = DC21040; - } else { - printk(" 21041 mode,"); - } + if (chip_idx == DC21041 && inl(ioaddr + CSR9) & 0x8000) { + printk(" 21040 compatible mode,"); + chip_idx = DC21040; } /* The station address ROM is read byte serially. The register must @@ -633,7 +727,7 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, EEPROM. */ sum = 0; - if (chip_id == DC21040) { + if (chip_idx == DC21040) { outl(0, ioaddr + CSR9); /* Reset the pointer with a dummy write. */ for (i = 0; i < 6; i++) { int value, boguscnt = 100000; @@ -643,28 +737,34 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, dev->dev_addr[i] = value; sum += value & 0xff; } - } else if (chip_id == LC82C168) { + } else if (chip_idx == LC82C168) { for (i = 0; i < 3; i++) { int value, boguscnt = 100000; outl(0x600 | i, ioaddr + 0x98); do value = inl(ioaddr + CSR9); while (value < 0 && --boguscnt > 0); - ((u16*)dev->dev_addr)[i] = value; + put_unaligned(le16_to_cpu(value), ((u16*)dev->dev_addr) + i); sum += value & 0xffff; } - } else { /* Must be a new chip, with a serial EEPROM interface. */ - /* We read the whole EEPROM, and sort it out later. DEC has a - specification _Digital Semiconductor 21X4 Serial ROM Format_ - but early vendor boards just put the address in the first six - EEPROM locations. */ - unsigned char ee_data[128]; + } else if (chip_idx == COMET) { + /* No need to read the EEPROM. */ + put_unaligned(inl(ioaddr + 0xA4), (u32 *)dev->dev_addr); + put_unaligned(inl(ioaddr + 0xA8), (u16 *)(dev->dev_addr + 4)); + for (i = 0; i < 6; i ++) + sum += dev->dev_addr[i]; + } else { + /* A serial EEPROM interface, we read now and sort it out later. */ int sa_offset = 0; + int ee_addr_size = read_eeprom(ioaddr, 0xff, 8) & 0x40000 ? 8 : 6; for (i = 0; i < sizeof(ee_data)/2; i++) - ((u16 *)ee_data)[i] = read_eeprom(ioaddr, i); + ((u16 *)ee_data)[i] = + le16_to_cpu(read_eeprom(ioaddr, i, ee_addr_size)); - /* Detect the simple EEPROM format by the duplicated station addr. */ + /* DEC now has a specification (see Notes) but early board makers + just put the address in the first EEPROM locations. */ + /* This does memcmp(eedata, eedata+16, 8) */ for (i = 0; i < 8; i ++) if (ee_data[i] != ee_data[16+i]) sa_offset = 20; @@ -678,7 +778,8 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, } } /* Lite-On boards have the address byte-swapped. */ - if (dev->dev_addr[0] == 0xA0 && dev->dev_addr[1] == 0x00) + if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0) + && dev->dev_addr[1] == 0x00) for (i = 0; i < 6; i+=2) { char tmp = dev->dev_addr[i]; dev->dev_addr[i] = dev->dev_addr[i+1]; @@ -694,34 +795,37 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, for (i = 0; i < 5; i++) dev->dev_addr[i] = last_phys_addr[i]; dev->dev_addr[i] = last_phys_addr[i] + 1; -#if defined(__i386__) /* This BIOS bug doesn't exist on Alphas. */ - irq = last_irq; +#if defined(__i386__) /* Patch up x86 BIOS bug. */ + if (last_irq) + irq = last_irq; #endif } for (i = 0; i < 6; i++) - printk(" %2.2x", last_phys_addr[i] = dev->dev_addr[i]); + printk("%c%2.2X", i ? ':' : ' ', last_phys_addr[i] = dev->dev_addr[i]); printk(", IRQ %d.\n", irq); last_irq = irq; /* We do a request_region() only to register /proc/ioports info. */ - /* Note that proper size is tulip_tbl[chip_id].chip_name, but... */ - request_region(ioaddr, TULIP_TOTAL_SIZE, dev->name); + /* Note that proper size is tulip_tbl[chip_idx].chip_name, but... */ + request_region(ioaddr, tulip_tbl[chip_idx].io_size, dev->name); dev->base_addr = ioaddr; dev->irq = irq; - /* Make certain the data structures are quadword aligned. */ - tp = (void *)(((long)kmalloc(sizeof(*tp), GFP_KERNEL | GFP_DMA) + 7) & ~7); - memset(tp, 0, sizeof(*tp)); - dev->priv = tp; - - tp->next_module = root_tulip_dev; - root_tulip_dev = dev; - tp->pci_bus = pci_bus; - tp->pci_dev_fn = pci_device_fn; - tp->chip_id = chip_id; + tp->pci_devfn = pci_devfn; + tp->chip_id = chip_idx; + tp->revision = chip_rev; + tp->flags = tulip_tbl[chip_idx].flags; + tp->csr0 = csr0; + + /* BugFixes: The 21143-TD hangs with PCI Write-and-Invalidate cycles. + And the ASIX must have a burst limit or horrible things happen. */ + if (chip_idx == DC21143 && chip_rev == 65) + tp->csr0 &= ~0x01000000; + else if (chip_idx == AX88140) + tp->csr0 |= 0x2000; #ifdef TULIP_FULL_DUPLEX tp->full_duplex = 1; @@ -752,37 +856,58 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, if (tp->full_duplex) tp->full_duplex_lock = 1; - /* This is logically part of probe1(), but too complex to write inline. */ - if (tulip_tbl[chip_id].flags & HAS_MEDIA_TABLE) - parse_eeprom(dev); - if (media_cap[tp->default_port] & MediaIsMII) { u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 }; tp->to_advertise = media2advert[tp->default_port - 9]; - } else - tp->to_advertise = 0x03e1; + } else if (tp->flags & HAS_8023X) + tp->to_advertise = 0x05e1; + else + tp->to_advertise = 0x01e1; + + /* This is logically part of probe1(), but too complex to write inline. */ + if (tp->flags & HAS_MEDIA_TABLE) { + memcpy(tp->eeprom, ee_data, sizeof(tp->eeprom)); + parse_eeprom(dev); + } - if ((tp->mtable && tp->mtable->has_mii) || - ( ! tp->mtable && (tulip_tbl[tp->chip_id].flags & HAS_MII))) { + if ((tp->flags & ALWAYS_CHECK_MII) || + (tp->mtable && tp->mtable->has_mii) || + ( ! tp->mtable && (tp->flags & HAS_MII))) { int phy, phy_idx; + if (tp->mtable && tp->mtable->has_mii) { + for (i = 0; i < tp->mtable->leafcount; i++) + if (tp->mtable->mleaf[i].media == 11) { + tp->cur_index = i; + tp->saved_if_port = dev->if_port; + select_media(dev, 1); + dev->if_port = tp->saved_if_port; + break; + } + } /* Find the connected MII xcvrs. Doing this in open() would allow detecting external xcvrs later, but takes much time. */ for (phy = 0, phy_idx = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) { int mii_status = mdio_read(dev, phy, 1); - if (mii_status != 0xffff && mii_status != 0x0000) { + if ((mii_status & 0x8301) == 0x8001 || + ((mii_status & 0x8000) == 0 && (mii_status & 0x7800) != 0)) { int mii_reg0 = mdio_read(dev, phy, 0); + int mii_advert = mdio_read(dev, phy, 4); int reg4 = ((mii_status>>6) & tp->to_advertise) | 1; tp->phys[phy_idx] = phy; tp->advertising[phy_idx++] = reg4; - printk(KERN_INFO "%s: MII transceiver found at MDIO address " - "%d, config %4.4x status %4.4x.\n", - dev->name, phy, mii_reg0, mii_status); - if (1 || (media_cap[tp->default_port] & MediaIsMII)) { + printk(KERN_INFO "%s: MII transceiver #%d " + "config %4.4x status %4.4x advertising %4.4x.\n", + dev->name, phy, mii_reg0, mii_status, mii_advert); + /* Fixup for DLink with miswired PHY. */ + if (mii_advert != reg4) { printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d," " previously advertising %4.4x.\n", - dev->name, reg4, phy, mdio_read(dev, phy, 4)); + dev->name, reg4, phy, mii_advert); + printk(KERN_DEBUG "%s: Advertising %4.4x (to advertise" + " is %4.4x).\n", + dev->name, reg4, tp->to_advertise); mdio_write(dev, phy, 4, reg4); } /* Enable autonegotiation: some boards default to off. */ @@ -811,9 +936,15 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, dev->set_multicast_list = &set_rx_mode; #endif + if ((tp->flags & HAS_NWAY143) || tp->chip_id == DC21041) + tp->link_change = t21142_lnk_change; + else if (tp->flags & HAS_PNICNWAY) + tp->link_change = pnic_lnk_change; + /* Reset the xcvr interface and turn on heartbeat. */ - switch (chip_id) { + switch (chip_idx) { case DC21041: + tp->to_advertise = 0x0061; outl(0x00000000, ioaddr + CSR13); outl(0xFFFFFFFF, ioaddr + CSR14); outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */ @@ -829,28 +960,43 @@ static struct device *tulip_probe1(int pci_bus, int pci_device_fn, outl(tp->mtable->csr12dir | 0x100, ioaddr + CSR12); break; case DC21142: - outl(0x82420200, ioaddr + CSR6); - outl(0x0001, ioaddr + CSR13); - outl(0x0003FFFF, ioaddr + CSR14); - outl(0x0008, ioaddr + CSR15); - outl(0x0001, ioaddr + CSR13); - outl(0x1301, ioaddr + CSR12); /* Start NWay. */ + case PNIC2: + if (tp->mii_cnt || media_cap[dev->if_port] & MediaIsMII) { + outl(0x82020000, ioaddr + CSR6); + outl(0x0000, ioaddr + CSR13); + outl(0x0000, ioaddr + CSR14); + outl(0x820E0000, ioaddr + CSR6); + } else + t21142_start_nway(dev); break; case LC82C168: if ( ! tp->mii_cnt) { + tp->nway = 1; + tp->nwayset = 0; outl(0x00420000, ioaddr + CSR6); outl(0x30, ioaddr + CSR12); outl(0x0001F078, ioaddr + 0xB8); outl(0x0201F078, ioaddr + 0xB8); /* Turn on autonegotiation. */ } break; - case MX98713: case MX98715: case MX98725: + case MX98713: case COMPEX9881: outl(0x00000000, ioaddr + CSR6); outl(0x000711C0, ioaddr + CSR14); /* Turn on NWay. */ outl(0x00000001, ioaddr + CSR13); break; + case MX98715: case MX98725: + outl(0x01a80000, ioaddr + CSR6); + outl(0xFFFFFFFF, ioaddr + CSR14); + outl(0x00001000, ioaddr + CSR12); + break; + case COMET: + /* No initialization necessary. */ + break; } + if (tulip_tbl[chip_idx].flags & HAS_PWRDWN) + pcibios_write_config_dword(pci_bus, pci_devfn, 0x40, 0x40000000); + return dev; } @@ -869,29 +1015,37 @@ static struct fixups { } eeprom_fixups[] = { {"Asante", 0, 0, 0x94, {0x1e00, 0x0000, 0x0800, 0x0100, 0x018c, 0x0000, 0x0000, 0xe078, 0x0001, 0x0050, 0x0018 }}, - {"SMC9332DST", 0, 0, 0xC0, { 0x1e00, 0x0000, 0x0800, 0x021f, + {"SMC9332DST", 0, 0, 0xC0, { 0x1e00, 0x0000, 0x0800, 0x041f, 0x0000, 0x009E, /* 10baseT */ - 0x0903, 0x006D, /* 100baseTx */ }}, - {"Cogent EM100", 0, 0, 0x92, { 0x1e00, 0x0000, 0x0800, 0x033f, + 0x0004, 0x009E, /* 10baseT-FD */ + 0x0903, 0x006D, /* 100baseTx */ + 0x0905, 0x006D, /* 100baseTx-FD */ }}, + {"Cogent EM100", 0, 0, 0x92, { 0x1e00, 0x0000, 0x0800, 0x063f, 0x0107, 0x8021, /* 100baseFx */ 0x0108, 0x8021, /* 100baseFx-FD */ - 0x0103, 0x006D, /* 100baseTx */ }}, - {"Maxtech NX-110", 0, 0, 0xE8, { 0x1e00, 0x0000, 0x0800, 0x0313, + 0x0100, 0x009E, /* 10baseT */ + 0x0104, 0x009E, /* 10baseT-FD */ + 0x0103, 0x006D, /* 100baseTx */ + 0x0105, 0x006D, /* 100baseTx-FD */ }}, + {"Maxtech NX-110", 0, 0, 0xE8, { 0x1e00, 0x0000, 0x0800, 0x0513, 0x1001, 0x009E, /* 10base2, CSR12 0x10*/ 0x0000, 0x009E, /* 10baseT */ - 0x0303, 0x006D, /* 100baseTx, CSR12 0x03 */ }}, - {"Accton EN1207", 0, 0, 0xE8, { 0x1e00, 0x0000, 0x0800, 0x031F, - 0x1B01, 0x0000, /* 10base2, CSR12 0x1B */ - 0x1B03, 0x006D, /* 100baseTx, CSR12 0x1B */ - 0x0B00, 0x009E, /* 10baseT, CSR12 0x0B */ + 0x0004, 0x009E, /* 10baseT-FD */ + 0x0303, 0x006D, /* 100baseTx, CSR12 0x03 */ + 0x0305, 0x006D, /* 100baseTx-FD CSR12 0x03 */}}, + {"Accton EN1207", 0, 0, 0xE8, { 0x1e00, 0x0000, 0x0800, 0x051F, + 0x1B01, 0x0000, /* 10base2, CSR12 0x1B */ + 0x0B00, 0x009E, /* 10baseT, CSR12 0x0B */ + 0x0B04, 0x009E, /* 10baseT-FD,CSR12 0x0B */ + 0x1B03, 0x006D, /* 100baseTx, CSR12 0x1B */ + 0x1B05, 0x006D, /* 100baseTx-FD CSR12 0x1B */ }}, {0, 0, 0, 0, {}}}; static const char * block_name[] = {"21140 non-MII", "21140 MII PHY", "21142 Serial PHY", "21142 MII PHY", "21143 SYM PHY", "21143 reset method"}; -#define EEPROM_SIZE 128 -#if defined(__i386__) +#if defined(__i386__) /* AKA get_unaligned() */ #define get_u16(ptr) (*(u16 *)(ptr)) #else #define get_u16(ptr) (((u8*)(ptr))[0] + (((u8*)(ptr))[1]<<8)) @@ -904,14 +1058,10 @@ static void parse_eeprom(struct device *dev) static unsigned char *last_ee_data = NULL; static int controller_index = 0; struct tulip_private *tp = (struct tulip_private *)dev->priv; - long ioaddr = dev->base_addr; unsigned char *ee_data = tp->eeprom; int i; tp->mtable = 0; - for (i = 0; i < EEPROM_SIZE/2; i++) - ((u16 *)ee_data)[i] = read_eeprom(ioaddr, i); - /* Detect an old-style (SA only) EEPROM layout: memcmp(eedata, eedata+16, 8). */ for (i = 0; i < 8; i ++) @@ -948,20 +1098,13 @@ static void parse_eeprom(struct device *dev) } } if (eeprom_fixups[i].name == NULL) { /* No fixup found. */ - printk(KERN_INFO "%s: Old style EEPROM -- no media selection information.\n", + printk(KERN_INFO "%s: Old style EEPROM with no media selection " + "information.\n", dev->name); return; } } - if (tulip_debug > 1) { - printk(KERN_DEBUG "read_eeprom:"); - for (i = 0; i < 64; i++) { - printk("%s%4.4x", (i & 7) == 0 ? "\n" KERN_DEBUG : " ", - read_eeprom(ioaddr, i)); - } - printk("\n"); - } - + controller_index = 0; if (ee_data[19] > 1) { /* Multiport board. */ last_ee_data = ee_data; @@ -971,42 +1114,29 @@ subsequent_board: if (ee_data[27] == 0) { /* No valid media table. */ } else if (tp->chip_id == DC21041) { unsigned char *p = (void *)ee_data + ee_data[27 + controller_index*3]; - short media; - int count; + int media = get_u16(p); + int count = p[2]; + p += 3; - media = get_u16(p); - p += 2; - count = *p++; - - printk(KERN_INFO "%s:21041 Media information at %d, default media " - "%4.4x (%s).\n", dev->name, ee_data[27], media, + printk(KERN_INFO "%s: 21041 Media table, default media %4.4x (%s).\n", + dev->name, media, media & 0x0800 ? "Autosense" : medianame[media & 15]); for (i = 0; i < count; i++) { unsigned char media_code = *p++; - u16 csrvals[3]; - int idx; - for (idx = 0; idx < 3; idx++) { - csrvals[idx] = get_u16(p); - p += 2; - } - if (media_code & 0x40) { - printk(KERN_INFO "%s: 21041 media %2.2x (%s)," - " csr13 %4.4x csr14 %4.4x csr15 %4.4x.\n", - dev->name, media_code & 15, medianame[media_code & 15], - csrvals[0], csrvals[1], csrvals[2]); - } else - printk(KERN_INFO "%s: 21041 media #%d, %s.\n", - dev->name, media_code & 15, medianame[media_code & 15]); + if (media_code & 0x40) + p += 6; + printk(KERN_INFO "%s: 21041 media #%d, %s.\n", + dev->name, media_code & 15, medianame[media_code & 15]); } } else { unsigned char *p = (void *)ee_data + ee_data[27]; unsigned char csr12dir = 0; - int count; + int count, new_advertise = 0; struct mediatable *mtable; u16 media = get_u16(p); p += 2; - if (tulip_tbl[tp->chip_id].flags & CSR12_IN_SROM) + if (tp->flags & CSR12_IN_SROM) csr12dir = *p++; count = *p++; mtable = (struct mediatable *) @@ -1018,13 +1148,14 @@ subsequent_board: mtable->defaultmedia = media; mtable->leafcount = count; mtable->csr12dir = csr12dir; - mtable->has_nonmii = mtable->has_mii = 0; + mtable->has_nonmii = mtable->has_mii = mtable->has_reset = 0; + mtable->csr15dir = mtable->csr15val = 0; printk(KERN_INFO "%s: EEPROM default media type %s.\n", dev->name, media & 0x0800 ? "Autosense" : medianame[media & 15]); for (i = 0; i < count; i++) { struct medialeaf *leaf = &mtable->mleaf[i]; - + if ((p[0] & 0x80) == 0) { /* 21140 Compact block. */ leaf->type = 0; leaf->media = p[0] & 0x3f; @@ -1034,12 +1165,34 @@ subsequent_board: p += 4; } else { leaf->type = p[1]; - if (p[1] & 1) { + if (p[1] == 0x05) { + mtable->has_reset = i; + leaf->media = p[2] & 0x0f; + } else if (p[1] & 1) { mtable->has_mii = 1; leaf->media = 11; } else { mtable->has_nonmii = 1; leaf->media = p[2] & 0x0f; + switch (leaf->media) { + case 0: new_advertise |= 0x0020; break; + case 4: new_advertise |= 0x0040; break; + case 3: new_advertise |= 0x0080; break; + case 5: new_advertise |= 0x0100; break; + case 6: new_advertise |= 0x0200; break; + } + if (p[1] == 2 && leaf->media == 0) { + if (p[2] & 0x40) { + u32 base15 = get_unaligned((u16*)&p[7]); + mtable->csr15dir = + (get_unaligned((u16*)&p[9])<<16) + base15; + mtable->csr15val = + (get_unaligned((u16*)&p[11])<<16) + base15; + } else { + mtable->csr15dir = get_unaligned((u16*)&p[3])<<16; + mtable->csr15val = get_unaligned((u16*)&p[5])<<16; + } + } } leaf->leafdata = p + 2; p += (p[0] & 0x3f) + 1; @@ -1048,7 +1201,7 @@ subsequent_board: unsigned char *bp = leaf->leafdata; printk(KERN_INFO "%s: MII interface PHY %d, setup/reset " "sequences %d/%d long, capabilities %2.2x %2.2x.\n", - dev->name, bp[0], bp[1], bp[1 + bp[1]*2], + dev->name, bp[0], bp[1], bp[2 + bp[1]*2], bp[5 + bp[2 + bp[1]*2]*2], bp[4 + bp[2 + bp[1]*2]*2]); } printk(KERN_INFO "%s: Index #%d - Media %s (#%d) described " @@ -1056,6 +1209,8 @@ subsequent_board: dev->name, i, medianame[leaf->media], leaf->media, block_name[leaf->type], leaf->type); } + if (new_advertise) + tp->to_advertise = new_advertise; } } /* Reading a serial EEPROM is a "bit" grungy, but we work our way through:->.*/ @@ -1063,54 +1218,48 @@ subsequent_board: /* EEPROM_Ctrl bits. */ #define EE_SHIFT_CLK 0x02 /* EEPROM shift clock. */ #define EE_CS 0x01 /* EEPROM chip select. */ -#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */ +#define EE_DATA_WRITE 0x04 /* Data from the Tulip to EEPROM. */ #define EE_WRITE_0 0x01 #define EE_WRITE_1 0x05 -#define EE_DATA_READ 0x08 /* EEPROM chip data out. */ +#define EE_DATA_READ 0x08 /* Data from the EEPROM chip. */ #define EE_ENB (0x4800 | EE_CS) /* Delay between EEPROM clock transitions. - The 1.2 code is a "nasty" timing loop, but PC compatible machines are - *supposed* to delay an ISA-compatible period for the SLOW_DOWN_IO macro. */ -#ifdef _LINUX_DELAY_H -#define eeprom_delay(nanosec) udelay((nanosec + 999)/1000) -#else -#define eeprom_delay(nanosec) do { int _i = 3; while (--_i > 0) { __SLOW_DOWN_IO; }} while (0) -#endif + Even at 33Mhz current PCI implementations don't overrun the EEPROM clock. + We add a bus turn-around to insure that this remains true. */ +#define eeprom_delay() inl(ee_addr) /* The EEPROM commands include the alway-set leading bit. */ -#define EE_WRITE_CMD (5 << 6) -#define EE_READ_CMD (6 << 6) -#define EE_ERASE_CMD (7 << 6) +#define EE_READ_CMD (6) -static int read_eeprom(long ioaddr, int location) +/* Note: this routine returns extra data bits for size detection. */ +static int read_eeprom(long ioaddr, int location, int addr_len) { int i; - unsigned short retval = 0; + unsigned retval = 0; long ee_addr = ioaddr + CSR9; - int read_cmd = location | EE_READ_CMD; - + int read_cmd = location | (EE_READ_CMD << addr_len); + outl(EE_ENB & ~EE_CS, ee_addr); outl(EE_ENB, ee_addr); - + /* Shift the read command bits out. */ - for (i = 10; i >= 0; i--) { + for (i = 4 + addr_len; i >= 0; i--) { short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; outl(EE_ENB | dataval, ee_addr); - eeprom_delay(100); + eeprom_delay(); outl(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr); - eeprom_delay(150); - outl(EE_ENB | dataval, ee_addr); /* Finish EEPROM a clock tick. */ - eeprom_delay(250); + eeprom_delay(); + retval = (retval << 1) | ((inl(ee_addr) & EE_DATA_READ) ? 1 : 0); } outl(EE_ENB, ee_addr); - + for (i = 16; i > 0; i--) { outl(EE_ENB | EE_SHIFT_CLK, ee_addr); - eeprom_delay(100); + eeprom_delay(); retval = (retval << 1) | ((inl(ee_addr) & EE_DATA_READ) ? 1 : 0); outl(EE_ENB, ee_addr); - eeprom_delay(100); + eeprom_delay(); } /* Terminate the EEPROM access. */ @@ -1144,19 +1293,33 @@ static int mdio_read(struct device *dev, int phy_id, int location) int i; int read_cmd = (0xf6 << 10) | (phy_id << 5) | location; int retval = 0; - long mdio_addr = dev->base_addr + CSR9; + long ioaddr = dev->base_addr; + long mdio_addr = ioaddr + CSR9; if (tp->chip_id == LC82C168) { - long ioaddr = dev->base_addr; int i = 1000; outl(0x60020000 + (phy_id<<23) + (location<<18), ioaddr + 0xA0); + inl(ioaddr + 0xA0); + inl(ioaddr + 0xA0); while (--i > 0) if ( ! ((retval = inl(ioaddr + 0xA0)) & 0x80000000)) return retval & 0xffff; return 0xffff; } - /* Establish sync by sending at least 32 logic ones. */ + if (tp->chip_id == COMET) { + if (phy_id == 1) { + if (location < 7) + return inl(ioaddr + 0xB4 + (location<<2)); + else if (location == 17) + return inl(ioaddr + 0xD0); + else if (location >= 29 && location <= 31) + return inl(ioaddr + 0xD4 + ((location-29)<<2)); + } + return 0xffff; + } + + /* Establish sync by sending at least 32 logic ones. */ for (i = 32; i >= 0; i--) { outl(MDIO_ENB | MDIO_DATA_WRITE1, mdio_addr); mdio_delay(); @@ -1188,10 +1351,10 @@ static void mdio_write(struct device *dev, int phy_id, int location, int value) struct tulip_private *tp = (struct tulip_private *)dev->priv; int i; int cmd = (0x5002 << 16) | (phy_id << 23) | (location<<18) | value; - long mdio_addr = dev->base_addr + CSR9; + long ioaddr = dev->base_addr; + long mdio_addr = ioaddr + CSR9; if (tp->chip_id == LC82C168) { - long ioaddr = dev->base_addr; int i = 1000; outl(cmd, ioaddr + 0xA0); do @@ -1201,7 +1364,19 @@ static void mdio_write(struct device *dev, int phy_id, int location, int value) return; } - /* Establish sync by sending 32 logic ones. */ + if (tp->chip_id == COMET) { + if (phy_id != 1) + return; + if (location < 7) + outl(value, ioaddr + 0xB4 + (location<<2)); + else if (location == 17) + outl(value, ioaddr + 0xD0); + else if (location >= 29 && location <= 31) + outl(value, ioaddr + 0xD4 + ((location-29)<<2)); + return; + } + + /* Establish sync by sending 32 logic ones. */ for (i = 32; i >= 0; i--) { outl(MDIO_ENB | MDIO_DATA_WRITE1, mdio_addr); mdio_delay(); @@ -1232,7 +1407,12 @@ tulip_open(struct device *dev) { struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; - int i = 0; + int next_tick = 3*HZ; + int i; + + /* Wake the chip from sleep/snooze mode. */ + if (tp->flags & HAS_PWRDWN) + pcibios_write_config_dword(tp->pci_bus, tp->pci_devfn, 0x40, 0); /* On some chip revs we must set the MII/SYM port before the reset!? */ if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii)) @@ -1240,86 +1420,61 @@ tulip_open(struct device *dev) /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */ outl(0x00000001, ioaddr + CSR0); -#ifdef _LINUX_DELAY_H - udelay(2); -#else - SLOW_DOWN_IO; -#endif + + if (request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev)) + return -EAGAIN; + MOD_INC_USE_COUNT; + /* Deassert reset. - 486: Set 8 longword cache alignment, 8 longword burst. - 586: Set 16 longword cache alignment, no burst limit. - Cache alignment bits 15:14 Burst length 13:8 - 0000 No alignment 0x00000000 unlimited 0800 8 longwords - 4000 8 longwords 0100 1 longword 1000 16 longwords - 8000 16 longwords 0200 2 longwords 2000 32 longwords - C000 32 longwords 0400 4 longwords Wait the specified 50 PCI cycles after a reset by initializing Tx and Rx queues and the address filter list. */ -#if defined(__alpha__) - /* ToDo: Alpha setting could be better. */ - outl(0x01A00000 | 0xE000, ioaddr + CSR0); -#elif defined(__powerpc__) - outl(0x01A00080 | 0x8000, ioaddr + CSR0); -#elif defined(__i386__) -#if defined(MODULE) - /* When a module we don't have 'x86' to check. */ - outl(0x01A00000 | 0x4800, ioaddr + CSR0); -#else -#if (LINUX_VERSION_CODE > 0x2014c) -#define x86 boot_cpu_data.x86 -#endif - outl(0x01A00000 | (x86 <= 4 ? 0x4800 : 0x8000), ioaddr + CSR0); - if (x86 <= 4) - printk(KERN_INFO "%s: This is a 386/486 PCI system, setting cache " - "alignment to %x.\n", dev->name, - 0x01A00000 | (x86 <= 4 ? 0x4800 : 0x8000)); -#endif -#else - outl(0x01A00000 | 0x4800, ioaddr + CSR0); -#warning Processor architecture undefined! -#endif - -#ifdef SA_SHIRQ - if (request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev)) { - return -EAGAIN; - } -#else - if (irq2dev_map[dev->irq] != NULL - || (irq2dev_map[dev->irq] = dev) == NULL - || dev->irq == 0 - || request_irq(dev->irq, &tulip_interrupt, 0, - tulip_tbl[tp->chip_id].chip_name)) { - return -EAGAIN; - } -#endif + outl(tp->csr0, ioaddr + CSR0); if (tulip_debug > 1) printk(KERN_DEBUG "%s: tulip_open() irq %d.\n", dev->name, dev->irq); - MOD_INC_USE_COUNT; - tulip_init_ring(dev); - /* This is set_rx_mode(), but without starting the transmitter. */ - /* Fill the whole address filter table with our physical address. */ - { - u16 *eaddrs = (u16 *)dev->dev_addr; - u32 *setup_frm = tp->setup_frame, i; - - /* You must add the broadcast address when doing perfect filtering! */ - *setup_frm++ = 0xffff; - *setup_frm++ = 0xffff; - *setup_frm++ = 0xffff; - /* Fill the rest of the accept table with our physical address. */ - for (i = 1; i < 16; i++) { - *setup_frm++ = eaddrs[0]; - *setup_frm++ = eaddrs[1]; - *setup_frm++ = eaddrs[2]; +#if 0 + if (tp->chip_id == PNIC2) { + u32 addr_low = cpu_to_le32(get_unaligned((u32 *)dev->dev_addr)); + u32 addr_high = cpu_to_le16(get_unaligned((u16 *)(dev->dev_addr+4))); + addr_high = (dev->dev_addr[4]<<8) + (dev->dev_addr[5]<<0); + outl((dev->dev_addr[0]<<8) + dev->dev_addr[1] + + (dev->dev_addr[2]<<24) + (dev->dev_addr[3]<<16), + ioaddr + 0xB0); + outl(addr_high + (addr_high<<16), ioaddr + 0xB8); + } +#endif + if (tp->flags & MC_HASH_ONLY) { + u32 addr_low = cpu_to_le32(get_unaligned((u32 *)dev->dev_addr)); + u32 addr_high = cpu_to_le32(get_unaligned((u16 *)(dev->dev_addr+4))); + if (tp->chip_id == AX88140) { + outl(0, ioaddr + CSR13); + outl(addr_low, ioaddr + CSR14); + outl(1, ioaddr + CSR13); + outl(addr_high, ioaddr + CSR14); + } else if (tp->chip_id == COMET) { + outl(addr_low, ioaddr + 0xA4); + outl(addr_high, ioaddr + 0xA8); + outl(0, ioaddr + 0xAC); + outl(0, ioaddr + 0xB0); } + } else { + /* This is set_rx_mode(), but without starting the transmitter. */ + u16 *eaddrs = (u16 *)dev->dev_addr; + u16 *setup_frm = &tp->setup_frame[15*6]; + + /* 21140 bug: you must add the broadcast address. */ + memset(tp->setup_frame, 0xff, sizeof(tp->setup_frame)); + /* Fill the final entry of the table with our physical address. */ + *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; + *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; + *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; /* Put the setup frame on the Tx list. */ - tp->tx_ring[0].length = 0x08000000 | 192; - tp->tx_ring[0].buffer1 = virt_to_bus(tp->setup_frame); - tp->tx_ring[0].status = 0x80000000; + tp->tx_ring[0].length = cpu_to_le32(0x08000000 | 192); + tp->tx_ring[0].buffer1 = virt_to_le32desc(tp->setup_frame); + tp->tx_ring[0].status = cpu_to_le32(DescOwned); tp->cur_tx++; } @@ -1327,13 +1482,12 @@ tulip_open(struct device *dev) outl(virt_to_bus(tp->rx_ring), ioaddr + CSR3); outl(virt_to_bus(tp->tx_ring), ioaddr + CSR4); + tp->saved_if_port = dev->if_port; if (dev->if_port == 0) dev->if_port = tp->default_port; - if (tp->chip_id == DC21041 && dev->if_port > 4) - /* Invalid: Select initial TP, autosense, autonegotiate. */ - dev->if_port = 4; /* Allow selecting a default media. */ + i = 0; if (tp->mtable == NULL) goto media_picked; if (dev->if_port) { @@ -1346,31 +1500,80 @@ tulip_open(struct device *dev) goto media_picked; } } - if ((tp->mtable->defaultmedia & 0x0800) == 0) + if ((tp->mtable->defaultmedia & 0x0800) == 0) { + int looking_for = tp->mtable->defaultmedia & 15; for (i = 0; i < tp->mtable->leafcount; i++) - if (tp->mtable->mleaf[i].media == (tp->mtable->defaultmedia & 15)) { - printk(KERN_INFO "%s: Using EEPROM-set media %s.\n", - dev->name, medianame[tp->mtable->mleaf[i].media]); - goto media_picked; - } + if (tp->mtable->mleaf[i].media == looking_for) { + printk(KERN_INFO "%s: Using EEPROM-set media %s.\n", + dev->name, medianame[looking_for]); + goto media_picked; + } + } /* Start sensing first non-full-duplex media. */ for (i = tp->mtable->leafcount - 1; (media_cap[tp->mtable->mleaf[i].media] & MediaAlwaysFD) && i > 0; i--) - ; + ; media_picked: tp->csr6 = 0; tp->cur_index = i; + tp->nwayset = 0; + if (dev->if_port == 0 && tp->chip_id == DC21041) { + tp->nway = 1; + } if (dev->if_port == 0 && tp->chip_id == DC21142) { - tp->csr6 = 0x82420200; - outl(0x0003FFFF, ioaddr + CSR14); + if (tp->mii_cnt) { + select_media(dev, 1); + if (tulip_debug > 1) + printk(KERN_INFO "%s: Using MII transceiver %d, status " + "%4.4x.\n", + dev->name, tp->phys[0], mdio_read(dev, tp->phys[0], 1)); + outl(0x82020000, ioaddr + CSR6); + tp->csr6 = 0x820E0000; + dev->if_port = 11; + outl(0x0000, ioaddr + CSR13); + outl(0x0000, ioaddr + CSR14); + } else + t21142_start_nway(dev); + } else if (tp->chip_id == PNIC2) { + t21142_start_nway(dev); + } else if (tp->chip_id == LC82C168 && ! tp->medialock) { + if (tp->mii_cnt) { + dev->if_port = 11; + tp->csr6 = 0x814C0000 | (tp->full_duplex ? 0x0200 : 0); + outl(0x0001, ioaddr + CSR15); + } else if (inl(ioaddr + CSR5) & TPLnkPass) + pnic_do_nway(dev); + else { + /* Start with 10mbps to do autonegotiation. */ + outl(0x32, ioaddr + CSR12); + tp->csr6 = 0x00420000; + outl(0x0001B078, ioaddr + 0xB8); + outl(0x0201B078, ioaddr + 0xB8); + next_tick = 1*HZ; + } + } else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881) + && ! tp->medialock) { + dev->if_port = 0; + tp->csr6 = 0x01880000 | (tp->full_duplex ? 0x0200 : 0); + outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80); + } else if (tp->chip_id == MX98715 || tp->chip_id == MX98725) { + /* Provided by BOLO, Macronix - 12/10/1998. */ + dev->if_port = 0; + tp->csr6 = 0x01a80200; + outl(0x0f370000 | inw(ioaddr + 0x80), ioaddr + 0x80); + outl(0x11000 | inw(ioaddr + 0xa0), ioaddr + 0xa0); + } else if (tp->chip_id == DC21143 && + media_cap[dev->if_port] & MediaIsMII) { + /* We must reset the media CSRs when we force-select MII mode. */ + outl(0x0000, ioaddr + CSR13); + outl(0x0000, ioaddr + CSR14); outl(0x0008, ioaddr + CSR15); - outl(0x0001, ioaddr + CSR13); - outl(0x1301, ioaddr + CSR12); - } else if (tp->chip_id == LC82C168 && tp->mii_cnt && ! tp->medialock) { - dev->if_port = 11; - tp->csr6 = 0x816C0000 | (tp->full_duplex ? 0x0200 : 0); - outl(0x0001, ioaddr + CSR15); + } else if (tp->chip_id == COMET) { + dev->if_port = 0; + tp->csr6 = 0x00040000; + } else if (tp->chip_id == AX88140) { + tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100; } else select_media(dev, 1); @@ -1396,7 +1599,7 @@ media_picked: /* Set the timer to switch to check for link beat and perhaps switch to an alternate media type. */ init_timer(&tp->timer); - tp->timer.expires = RUN_AT(5*HZ); + tp->timer.expires = RUN_AT(next_tick); tp->timer.data = (unsigned long)dev; tp->timer.function = tulip_tbl[tp->chip_id].media_timer; add_timer(&tp->timer); @@ -1411,7 +1614,7 @@ static void select_media(struct device *dev, int startup) struct tulip_private *tp = (struct tulip_private *)dev->priv; struct mediatable *mtable = tp->mtable; u32 new_csr6; - int check_mii =0, i; + int i; if (mtable) { struct medialeaf *mleaf = &mtable->mleaf[tp->cur_index]; @@ -1429,33 +1632,56 @@ static void select_media(struct device *dev, int startup) new_csr6 = 0x02000000 | ((p[2] & 0x71) << 18); break; case 2: case 4: { - u16 setup[3]; - for (i = 0; i < 3; i++) + u16 setup[5]; + u32 csr13val, csr14val, csr15dir, csr15val; + for (i = 0; i < 5; i++) setup[i] = get_u16(&p[i*2 + 1]); dev->if_port = p[0] & 15; + if (media_cap[dev->if_port] & MediaAlwaysFD) + tp->full_duplex = 1; + + if (startup && mtable->has_reset) { + struct medialeaf *rleaf = &mtable->mleaf[mtable->has_reset]; + unsigned char *rst = rleaf->leafdata; + if (tulip_debug > 1) + printk(KERN_DEBUG "%s: Resetting the transceiver.\n", + dev->name); + for (i = 0; i < rst[0]; i++) + outl(get_u16(rst + 1 + (i<<1)) << 16, ioaddr + CSR15); + } if (tulip_debug > 1) - printk(KERN_DEBUG "%s: 21142 non-MII %s transceiver control %4.4x/%4.4x.\n", + printk(KERN_DEBUG "%s: 21143 non-MII %s transceiver control " + "%4.4x/%4.4x.\n", dev->name, medianame[dev->if_port], setup[0], setup[1]); if (p[0] & 0x40) { /* SIA (CSR13-15) setup values are provided. */ + csr13val = setup[0]; + csr14val = setup[1]; + csr15dir = (setup[3]<<16) | setup[2]; + csr15val = (setup[4]<<16) | setup[2]; outl(0, ioaddr + CSR13); - outl(setup[1], ioaddr + CSR14); - outl(setup[2], ioaddr + CSR15); - outl(setup[0], ioaddr + CSR13); - for (i = 0; i < 3; i++) /* Re-fill setup[] */ - setup[i] = get_u16(&p[i*2 + 7]); - } else if (dev->if_port <= 4) { - outl(0, ioaddr + CSR13); - outl(t21142_csr14[dev->if_port], ioaddr + CSR14); - outl(t21142_csr15[dev->if_port], ioaddr + CSR15); - outl(t21142_csr13[dev->if_port], ioaddr + CSR13); + outl(csr14val, ioaddr + CSR14); + outl(csr15dir, ioaddr + CSR15); /* Direction */ + outl(csr15val, ioaddr + CSR15); /* Data */ + outl(csr13val, ioaddr + CSR13); } else { - outl(0, ioaddr + CSR14); - outl(8, ioaddr + CSR15); - outl(0, ioaddr + CSR13); + csr13val = 1; + csr14val = 0x0003FF7F; + csr15dir = (setup[0]<<16) | 0x0008; + csr15val = (setup[1]<<16) | 0x0008; + if (dev->if_port <= 4) + csr14val = t21142_csr14[dev->if_port]; + if (startup) { + outl(0, ioaddr + CSR13); + outl(csr14val, ioaddr + CSR14); + } + outl(csr15dir, ioaddr + CSR15); /* Direction */ + outl(csr15val, ioaddr + CSR15); /* Data */ + if (startup) outl(csr13val, ioaddr + CSR13); } - outl(setup[0]<<16, ioaddr + CSR15); /* Direction */ - outl(setup[1]<<16, ioaddr + CSR15); /* Data */ + if (tulip_debug > 1) + printk(KERN_DEBUG "%s: Setting CSR15 to %8.8x/%8.8x.\n", + dev->name, csr15dir, csr15val); if (mleaf->type == 4) new_csr6 = 0x82020000 | ((setup[2] & 0x71) << 18); else @@ -1469,7 +1695,6 @@ static void select_media(struct device *dev, int startup) u16 to_advertise; dev->if_port = 11; - check_mii = 1; new_csr6 = 0x020E0000; if (mleaf->type == 3) { /* 21142 */ u16 *init_sequence = (u16*)(p+2); @@ -1496,7 +1721,7 @@ static void select_media(struct device *dev, int startup) } to_advertise = (get_u16(&misc_info[1]) & tp->to_advertise) | 1; tp->advertising[phy_num] = to_advertise; - if (tulip_debug > 1 || 1) + if (tulip_debug > 1) printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d (%d).\n", dev->name, to_advertise, phy_num, tp->phys[phy_num]); /* Bogus: put in by a committee? */ @@ -1504,32 +1729,33 @@ static void select_media(struct device *dev, int startup) break; } default: - new_csr6 = 0x020E0000; + printk(KERN_DEBUG "%s: Invalid media table selection %d.\n", + dev->name, mleaf->type); + new_csr6 = 0x020E0000; } if (tulip_debug > 1) printk(KERN_DEBUG "%s: Using media type %s, CSR12 is %2.2x.\n", dev->name, medianame[dev->if_port], inl(ioaddr + CSR12) & 0xff); } else if (tp->chip_id == DC21041) { + int port = dev->if_port <= 4 ? dev->if_port : 0; if (tulip_debug > 1) printk(KERN_DEBUG "%s: 21041 using media %s, CSR12 is %4.4x.\n", - dev->name, medianame[dev->if_port & 15], - inl(ioaddr + CSR12) & 0xffff); + dev->name, medianame[port == 3 ? 12: port], + inl(ioaddr + CSR12)); outl(0x00000000, ioaddr + CSR13); /* Reset the serial interface */ - outl(t21041_csr14[dev->if_port], ioaddr + CSR14); - outl(t21041_csr15[dev->if_port], ioaddr + CSR15); - outl(t21041_csr13[dev->if_port], ioaddr + CSR13); + outl(t21041_csr14[port], ioaddr + CSR14); + outl(t21041_csr15[port], ioaddr + CSR15); + outl(t21041_csr13[port], ioaddr + CSR13); new_csr6 = 0x80020000; } else if (tp->chip_id == LC82C168) { if (startup && ! tp->medialock) dev->if_port = tp->mii_cnt ? 11 : 0; if (tulip_debug > 1) - printk(KERN_DEBUG "%s: PNIC PHY status is %3.3x, CSR12 %4.4x," - " media %s.\n", - dev->name, inl(ioaddr + 0xB8), inl(ioaddr + CSR12), - medianame[dev->if_port]); + printk(KERN_DEBUG "%s: PNIC PHY status is %3.3x, media %s.\n", + dev->name, inl(ioaddr + 0xB8), medianame[dev->if_port]); if (tp->mii_cnt) { - new_csr6 = 0x812C0000; + new_csr6 = 0x810C0000; outl(0x0001, ioaddr + CSR15); outl(0x0201B07A, ioaddr + 0xB8); } else if (startup) { @@ -1541,10 +1767,8 @@ static void select_media(struct device *dev, int startup) } else if (dev->if_port == 3 || dev->if_port == 5) { outl(0x33, ioaddr + CSR12); new_csr6 = 0x01860000; - if (startup) - outl(0x0201F868, ioaddr + 0xB8); /* Trigger autonegotiation. */ - else - outl(0x1F868, ioaddr + 0xB8); + /* Trigger autonegotiation. */ + outl(startup ? 0x0201F868 : 0x0001F868, ioaddr + 0xB8); } else { outl(0x32, ioaddr + CSR12); new_csr6 = 0x00420000; @@ -1555,18 +1779,24 @@ static void select_media(struct device *dev, int startup) int csr12 = inl(ioaddr + CSR12); if (tulip_debug > 1) printk(KERN_DEBUG "%s: 21040 media type is %s, CSR12 is %2.2x.\n", - dev->name, dev->if_port ? "AUI" : "10baseT", csr12); - new_csr6 = (dev->if_port ? 0x01860000 : 0x00420000); + dev->name, medianame[dev->if_port], csr12); + if (media_cap[dev->if_port] & MediaAlwaysFD) + tp->full_duplex = 1; + new_csr6 = 0x20000; /* Set the full duplux match frame. */ outl(FULL_DUPLEX_MAGIC, ioaddr + CSR11); outl(0x00000000, ioaddr + CSR13); /* Reset the serial interface */ - outl(dev->if_port ? 0x0000000C : 0x00000004, ioaddr + CSR13); + if (t21040_csr13[dev->if_port] & 8) { + outl(0x0705, ioaddr + CSR14); + outl(0x0006, ioaddr + CSR15); + } else { + outl(0xffff, ioaddr + CSR14); + outl(0x0000, ioaddr + CSR15); + } + outl(0x8f01 | t21040_csr13[dev->if_port], ioaddr + CSR13); } else { /* Unknown chip type with no media table. */ if (tp->default_port == 0) - if (tp->mii_cnt) { - dev->if_port = 11; - } else - dev->if_port = 3; + dev->if_port = tp->mii_cnt ? 11 : 3; if (media_cap[dev->if_port] & MediaIsMII) { new_csr6 = 0x020E0000; } else if (media_cap[dev->if_port] & MediaIsFx) { @@ -1584,28 +1814,80 @@ static void select_media(struct device *dev, int startup) return; } +/* + Check the MII negotiated duplex, and change the CSR6 setting if + required. + Return 0 if everything is OK. + Return < 0 if the transceiver is missing or has no link beat. + */ +static int check_duplex(struct device *dev) +{ + long ioaddr = dev->base_addr; + struct tulip_private *tp = (struct tulip_private *)dev->priv; + int mii_reg1, mii_reg5, negotiated, duplex; + + if (tp->full_duplex_lock) + return 0; + mii_reg1 = mdio_read(dev, tp->phys[0], 1); + mii_reg5 = mdio_read(dev, tp->phys[0], 5); + if (tulip_debug > 1) + printk(KERN_INFO "%s: MII status %4.4x, Link partner report " + "%4.4x.\n", dev->name, mii_reg1, mii_reg5); + if (mii_reg1 == 0xffff) + return -2; + if ((mii_reg1 & 0x0004) == 0) { + int new_reg1 = mdio_read(dev, tp->phys[0], 1); + if ((new_reg1 & 0x0004) == 0) { + if (tulip_debug > 1) + printk(KERN_INFO "%s: No link beat on the MII interface," + " status %4.4x.\n", dev->name, new_reg1); + return -1; + } + } + negotiated = mii_reg5 & tp->advertising[0]; + duplex = ((negotiated & 0x0300) == 0x0100 + || (negotiated & 0x00C0) == 0x0040); + /* 100baseTx-FD or 10T-FD, but not 100-HD */ + if (tp->full_duplex != duplex) { + tp->full_duplex = duplex; + if (negotiated & 0x038) /* 100mbps. */ + tp->csr6 &= ~0x00400000; + if (tp->full_duplex) tp->csr6 |= 0x0200; + else tp->csr6 &= ~0x0200; + outl(tp->csr6 | 0x0002, ioaddr + CSR6); + outl(tp->csr6 | 0x2002, ioaddr + CSR6); + if (tulip_debug > 0) + printk(KERN_INFO "%s: Setting %s-duplex based on MII" + "#%d link partner capability of %4.4x.\n", + dev->name, tp->full_duplex ? "full" : "half", + tp->phys[0], mii_reg5); + return 1; + } + return 0; +} + static void tulip_timer(unsigned long data) { struct device *dev = (struct device *)data; struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; u32 csr12 = inl(ioaddr + CSR12); - int next_tick = 0; + int next_tick = 2*HZ; - if (tulip_debug > 3) { - printk(KERN_DEBUG "%s: Media selection tick, status %8.8x mode %8.8x " - "SIA %8.8x %8.8x %8.8x %8.8x.\n", - dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR6), - csr12, inl(ioaddr + CSR13), + if (tulip_debug > 2) { + printk(KERN_DEBUG "%s: Media selection tick, %s, status %8.8x mode" + " %8.8x SIA %8.8x %8.8x %8.8x %8.8x.\n", + dev->name, medianame[dev->if_port], inl(ioaddr + CSR5), + inl(ioaddr + CSR6), csr12, inl(ioaddr + CSR13), inl(ioaddr + CSR14), inl(ioaddr + CSR15)); } switch (tp->chip_id) { case DC21040: - if (csr12 & 0x0002) { /* Network error */ - printk(KERN_INFO "%s: No 10baseT link beat found, switching to %s media.\n", - dev->name, dev->if_port ? "10baseT" : "AUI"); - dev->if_port ^= 1; - outl(dev->if_port ? 0x0000000C : 0x00000004, ioaddr + CSR13); + if (!tp->medialock && csr12 & 0x0002) { /* Network error */ + printk(KERN_INFO "%s: No link beat found.\n", + dev->name); + dev->if_port = (dev->if_port == 2 ? 0 : 2); + select_media(dev, 0); dev->trans_start = jiffies; } break; @@ -1613,6 +1895,7 @@ static void tulip_timer(unsigned long data) if (tulip_debug > 2) printk(KERN_DEBUG "%s: 21041 media tick CSR12 %8.8x.\n", dev->name, csr12); + if (tp->medialock) break; switch (dev->if_port) { case 0: case 3: case 4: if (csr12 & 0x0004) { /*LnkFail */ @@ -1634,25 +1917,26 @@ static void tulip_timer(unsigned long data) break; case 1: /* 10base2 */ case 2: /* AUI */ - if (csr12 & 0x0100) { - next_tick = (30*HZ); /* 30 sec. */ - tp->mediasense = 0; - } else if ((csr12 & 0x0004) == 0) { - printk(KERN_INFO "%s: 21041 media switched to 10baseT.\n", dev->name); - dev->if_port = 0; - select_media(dev, 0); - next_tick = (24*HZ)/10; /* 2.4 sec. */ - } else if (tp->mediasense || (csr12 & 0x0002)) { - dev->if_port = 3 - dev->if_port; /* Swap ports. */ - select_media(dev, 0); - next_tick = 20*HZ; - } else { - next_tick = 20*HZ; - } - break; + if (csr12 & 0x0100) { + next_tick = (30*HZ); /* 30 sec. */ + tp->mediasense = 0; + } else if ((csr12 & 0x0004) == 0) { + printk(KERN_INFO "%s: 21041 media switched to 10baseT.\n", + dev->name); + dev->if_port = 0; + select_media(dev, 0); + next_tick = (24*HZ)/10; /* 2.4 sec. */ + } else if (tp->mediasense || (csr12 & 0x0002)) { + dev->if_port = 3 - dev->if_port; /* Swap ports. */ + select_media(dev, 0); + next_tick = 20*HZ; + } else { + next_tick = 20*HZ; + } + break; } break; - case DC21140: case DC21142: case MX98713: default: { + case DC21140: case DC21142: case MX98713: case COMPEX9881: default: { struct medialeaf *mleaf; unsigned char *p; if (tp->mtable == NULL) { /* No EEPROM info, use generic code. */ @@ -1721,53 +2005,11 @@ static void tulip_timer(unsigned long data) next_tick = (24*HZ)/10; break; } - case 1: case 3: { /* 21140, 21142 MII */ - int mii_reg1, mii_reg5; + case 1: case 3: /* 21140, 21142 MII */ actually_mii: - mii_reg1 = mdio_read(dev, tp->phys[0], 1); - mii_reg5 = mdio_read(dev, tp->phys[0], 5); - if (tulip_debug > 1) - printk(KERN_INFO "%s: MII status %4.4x, Link partner report " - "%4.4x, CSR12 %2.2x, %cD.\n", - dev->name, mii_reg1, mii_reg5, csr12, - tp->full_duplex ? 'F' : 'H'); - if (mii_reg1 != 0xffff && (mii_reg1 & 0x0004) == 0) { - int new_reg1 = mdio_read(dev, tp->phys[0], 1); - if ((new_reg1 & 0x0004) == 0) { - printk(KERN_INFO "%s: No link beat on the MII interface," - " status then %4.4x now %4.4x.\n", - dev->name, mii_reg1, new_reg1); - if (tp->mtable && tp->mtable->has_nonmii) - goto select_next_media; - } - } - if (mii_reg5 == 0xffff || mii_reg5 == 0x0000) - ; /* No MII device or no link partner report */ - else if (tp->full_duplex_lock) - ; - else { - int negotiated = mii_reg5 & tp->advertising[0]; - int duplex = ((negotiated & 0x0100) != 0 - || (negotiated & 0x00C0) == 0x0040); - /* 100baseTx-FD or 10T-FD, but not 100-HD */ - if (tp->full_duplex != duplex) { - tp->full_duplex = duplex; - if (tp->full_duplex) - tp->csr6 |= 0x0200; - else - tp->csr6 &= ~0x0200; - outl(tp->csr6 | 0x0002, ioaddr + CSR6); - outl(tp->csr6 | 0x2002, ioaddr + CSR6); - if (tulip_debug > 0) /* Gurppp, should be >1 */ - printk(KERN_INFO "%s: Setting %s-duplex based on MII" - " Xcvr #%d parter capability of %4.4x.\n", - dev->name, tp->full_duplex ? "full" : "half", - tp->phys[0], mii_reg5); - } - } + check_duplex(dev); next_tick = 60*HZ; break; - } case 2: /* 21142 serial block has no link beat. */ default: break; @@ -1775,10 +2017,8 @@ static void tulip_timer(unsigned long data) } break; } - if (next_tick) { - tp->timer.expires = RUN_AT(next_tick); - add_timer(&tp->timer); - } + tp->timer.expires = RUN_AT(next_tick); + add_timer(&tp->timer); } /* Handle the 21143 uniquely: do autoselect with NWay, not the EEPROM list @@ -1792,49 +2032,50 @@ static void t21142_timer(unsigned long data) int next_tick = 60*HZ; int new_csr6 = 0; - if (tulip_debug > 1) - printk(KERN_INFO"%s: 21142 negotiation status %8.8x, %s.\n", + if (tulip_debug > 2) + printk(KERN_INFO"%s: 21143 negotiation status %8.8x, %s.\n", dev->name, csr12, medianame[dev->if_port]); - if (dev->if_port == 3) { - if (csr12 & 2) { /* No 100mbps link beat, revert to 10mbps. */ - new_csr6 = 0x82420200; - outl(new_csr6, ioaddr + CSR6); - outl(0x0000, ioaddr + CSR13); - outl(0x0003FFFF, ioaddr + CSR14); - outl(0x0008, ioaddr + CSR15); - outl(0x0001, ioaddr + CSR13); - outl(0x1301, ioaddr + CSR12); /* Start NWay. */ + if (media_cap[dev->if_port] & MediaIsMII) { + check_duplex(dev); + next_tick = 60*HZ; + } else if (tp->nwayset) { + /* Don't screw up a negotiated session! */ + if (tulip_debug > 1) + printk(KERN_INFO"%s: Using NWay-set %s media, csr12 %8.8x.\n", + dev->name, medianame[dev->if_port], csr12); + } else if (tp->medialock) { + ; + } else if (dev->if_port == 3) { + if (csr12 & 2) { /* No 100mbps link beat, revert to 10mbps. */ + if (tulip_debug > 1) + printk(KERN_INFO"%s: No 21143 100baseTx link beat, %8.8x, " + "trying NWay.\n", dev->name, csr12); + t21142_start_nway(dev); + next_tick = 3*HZ; } } else if ((csr12 & 0x7000) != 0x5000) { /* Negotiation failed. Search media types. */ if (tulip_debug > 1) - printk(KERN_INFO"%s: 21142 negotiation failed, status %8.8x.\n", + printk(KERN_INFO"%s: 21143 negotiation failed, status %8.8x.\n", dev->name, csr12); if (!(csr12 & 4)) { /* 10mbps link beat good. */ new_csr6 = 0x82420000; dev->if_port = 0; outl(0, ioaddr + CSR13); outl(0x0003FFFF, ioaddr + CSR14); - outl(t21142_csr15[dev->if_port], ioaddr + CSR15); + outw(t21142_csr15[dev->if_port], ioaddr + CSR15); outl(t21142_csr13[dev->if_port], ioaddr + CSR13); - } else if (csr12 & 0x100) { - new_csr6 = 0x82420200; - dev->if_port = 2; - outl(0, ioaddr + CSR13); - outl(0x0003FFFF, ioaddr + CSR14); - outl(0x0008, ioaddr + CSR15); - outl(0x0001, ioaddr + CSR13); } else { /* Select 100mbps port to check for link beat. */ new_csr6 = 0x83860000; dev->if_port = 3; outl(0, ioaddr + CSR13); outl(0x0003FF7F, ioaddr + CSR14); - outl(8, ioaddr + CSR15); + outw(8, ioaddr + CSR15); outl(1, ioaddr + CSR13); } if (tulip_debug > 1) - printk(KERN_INFO"%s: Testing new 21142 media %s.\n", + printk(KERN_INFO"%s: Testing new 21143 media %s.\n", dev->name, medianame[dev->if_port]); if (new_csr6 != (tp->csr6 & ~0x00D5)) { tp->csr6 &= 0x00D5; @@ -1843,51 +2084,147 @@ static void t21142_timer(unsigned long data) outl(tp->csr6 | 0x0002, ioaddr + CSR6); outl(tp->csr6 | 0x2002, ioaddr + CSR6); } + next_tick = 3*HZ; + } + if (tp->cur_tx - tp->dirty_tx > 0 && + jiffies - dev->trans_start > TX_TIMEOUT) { + printk(KERN_WARNING "%s: Tx hung, %d vs. %d.\n", + dev->name, tp->cur_tx, tp->dirty_tx); + tulip_tx_timeout(dev); } + tp->timer.expires = RUN_AT(next_tick); add_timer(&tp->timer); } -static void t21142_lnk_change( struct device *dev) +static void t21142_start_nway(struct device *dev) +{ + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; + int csr14 = ((tp->to_advertise & 0x0780) << 9) | + ((tp->to_advertise&0x0020)<<1) | 0xffbf; + + dev->if_port = 0; + tp->nway = tp->mediasense = 1; + tp->nwayset = tp->lpar = 0; + if (debug > 1) + printk(KERN_DEBUG "%s: Restarting 21143 autonegotiation, %8.8x.\n", + dev->name, csr14); + outl(0x0001, ioaddr + CSR13); + outl(csr14, ioaddr + CSR14); + tp->csr6 = 0x82420000 | (tp->to_advertise & 0x0040 ? 0x0200 : 0); + outl(tp->csr6, ioaddr + CSR6); + if (tp->mtable && tp->mtable->csr15dir) { + outl(tp->mtable->csr15dir, ioaddr + CSR15); + outl(tp->mtable->csr15val, ioaddr + CSR15); + } else + outw(0x0008, ioaddr + CSR15); + outl(0x1301, ioaddr + CSR12); /* Trigger NWAY. */ +} + +static void t21142_lnk_change(struct device *dev, int csr5) { struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; int csr12 = inl(ioaddr + CSR12); if (tulip_debug > 1) - printk(KERN_INFO"%s: 21142 link status interrupt %8.8x, CSR5 %x.\n", - dev->name, csr12, inl(ioaddr + CSR5)); - - if ((csr12 & 0x7000) == 0x5000) { - if (csr12 & 0x01800000) { - /* Switch to 100mbps mode. */ - outl(tp->csr6 | 0x0002, ioaddr + CSR6); - if (csr12 & 0x01000000) { - dev->if_port = 5; - tp->csr6 = 0x83860200; - } else { + printk(KERN_INFO"%s: 21143 link status interrupt %8.8x, CSR5 %x, " + "%8.8x.\n", dev->name, csr12, csr5, inl(ioaddr + CSR14)); + + /* If NWay finished and we have a negotiated partner capability. */ + if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) { + int setup_done = 0; + int negotiated = tp->to_advertise & (csr12 >> 16); + tp->lpar = csr12 >> 16; + tp->nwayset = 1; + if (negotiated & 0x0100) dev->if_port = 5; + else if (negotiated & 0x0080) dev->if_port = 3; + else if (negotiated & 0x0040) dev->if_port = 4; + else if (negotiated & 0x0020) dev->if_port = 0; + else { + tp->nwayset = 0; + if ((csr12 & 2) == 0 && (tp->to_advertise & 0x0180)) dev->if_port = 3; - tp->csr6 = 0x83860000; - } - outl(tp->csr6 | 0x2002, ioaddr + CSR6); - } /* Else 10baseT-FD is handled automatically. */ - } else if (dev->if_port == 3) { - if (!(csr12 & 2)) - printk(KERN_INFO"%s: 21142 100baseTx link beat good.\n", - dev->name); - else - dev->if_port = 0; - } else if (dev->if_port == 0) { - if (!(csr12 & 4)) - printk(KERN_INFO"%s: 21142 10baseT link beat good.\n", + } + tp->full_duplex = (media_cap[dev->if_port] & MediaAlwaysFD) ? 1:0; + + if (tulip_debug > 1) { + if (tp->nwayset) + printk(KERN_INFO "%s: Switching to %s based on link " + "negotiation %4.4x & %4.4x = %4.4x.\n", + dev->name, medianame[dev->if_port], tp->to_advertise, + tp->lpar, negotiated); + else + printk(KERN_INFO "%s: Autonegotiation failed, using %s," + " link beat status %4.4x.\n", + dev->name, medianame[dev->if_port], csr12); + } + + if (tp->mtable) { + int i; + for (i = 0; i < tp->mtable->leafcount; i++) + if (tp->mtable->mleaf[i].media == dev->if_port) { + tp->cur_index = i; + select_media(dev, 0); + setup_done = 1; + break; + } + } + if ( ! setup_done) { + tp->csr6 = dev->if_port & 1 ? 0x83860000 : 0x82420000; + if (tp->full_duplex) + tp->csr6 |= 0x0200; + outl(1, ioaddr + CSR13); + } +#if 0 /* Restart shouldn't be needed. */ + outl(tp->csr6 | 0x0000, ioaddr + CSR6); + if (debug > 2) + printk(KERN_DEBUG "%s: Restarting Tx and Rx, CSR5 is %8.8x.\n", + dev->name, inl(ioaddr + CSR5)); +#endif + outl(tp->csr6 | 0x2002, ioaddr + CSR6); + if (debug > 2) + printk(KERN_DEBUG "%s: Setting CSR6 %8.8x/%x CSR12 %8.8x.\n", + dev->name, tp->csr6, inl(ioaddr + CSR6), + inl(ioaddr + CSR12)); + } else if ((tp->nwayset && (csr5 & 0x08000000) + && (dev->if_port == 3 || dev->if_port == 5) + && (csr12 & 2) == 2) || + (tp->nway && (csr5 & (TPLnkFail)))) { + /* Link blew? Maybe restart NWay. */ + del_timer(&tp->timer); + t21142_start_nway(dev); + tp->timer.expires = RUN_AT(3*HZ); + add_timer(&tp->timer); + } else if (dev->if_port == 3 || dev->if_port == 5) { + if (tulip_debug > 1) + printk(KERN_INFO"%s: 21143 %s link beat %s.\n", + dev->name, medianame[dev->if_port], + (csr12 & 2) ? "failed" : "good"); + if ((csr12 & 2) && ! tp->medialock) { + del_timer(&tp->timer); + t21142_start_nway(dev); + tp->timer.expires = RUN_AT(3*HZ); + add_timer(&tp->timer); + } + } else if (dev->if_port == 0 || dev->if_port == 4) { + if ((csr12 & 4) == 0) + printk(KERN_INFO"%s: 21143 10baseT link beat good.\n", dev->name); } else if (!(csr12 & 4)) { /* 10mbps link beat good. */ - printk(KERN_INFO"%s: 21142 10mpbs sensed media.\n", + if (tulip_debug) + printk(KERN_INFO"%s: 21143 10mbps sensed media.\n", + dev->name); + dev->if_port = 0; + } else if (tp->nwayset) { + if (tulip_debug) + printk(KERN_INFO"%s: 21143 using NWay-set %s, csr6 %8.8x.\n", + dev->name, medianame[dev->if_port], tp->csr6); + } else { /* 100mbps link beat good. */ + if (tulip_debug) + printk(KERN_INFO"%s: 21143 100baseTx sensed media.\n", dev->name); - dev->if_port = 0; - } else { /* 100mbps link beat good. */ - printk(KERN_INFO"%s: 21142 100baseTx sensed media.\n", - dev->name); dev->if_port = 3; tp->csr6 = 0x83860000; outl(0x0003FF7F, ioaddr + CSR14); @@ -1896,7 +2233,6 @@ static void t21142_lnk_change( struct device *dev) outl(tp->csr6 | 0x2002, ioaddr + CSR6); } } - static void mxic_timer(unsigned long data) { @@ -1915,57 +2251,98 @@ static void mxic_timer(unsigned long data) } } +static void pnic_do_nway(struct device *dev) +{ + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; + u32 phy_reg = inl(ioaddr + 0xB8); + u32 new_csr6 = tp->csr6 & ~0x40C40200; + + if (phy_reg & 0x78000000) { /* Ignore baseT4 */ + if (phy_reg & 0x20000000) dev->if_port = 5; + else if (phy_reg & 0x40000000) dev->if_port = 3; + else if (phy_reg & 0x10000000) dev->if_port = 4; + else if (phy_reg & 0x08000000) dev->if_port = 0; + tp->nwayset = 1; + new_csr6 = (dev->if_port & 1) ? 0x01860000 : 0x00420000; + outl(0x32 | (dev->if_port & 1), ioaddr + CSR12); + if (dev->if_port & 1) + outl(0x1F868, ioaddr + 0xB8); + if (phy_reg & 0x30000000) { + tp->full_duplex = 1; + new_csr6 |= 0x00000200; + } + if (tulip_debug > 1) + printk(KERN_DEBUG "%s: PNIC autonegotiated status %8.8x, %s.\n", + dev->name, phy_reg, medianame[dev->if_port]); + if (tp->csr6 != new_csr6) { + tp->csr6 = new_csr6; + outl(tp->csr6 | 0x0002, ioaddr + CSR6); /* Restart Tx */ + outl(tp->csr6 | 0x2002, ioaddr + CSR6); + dev->trans_start = jiffies; + } + } +} +static void pnic_lnk_change(struct device *dev, int csr5) +{ + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; + int phy_reg = inl(ioaddr + 0xB8); + + if (tulip_debug > 1) + printk(KERN_DEBUG "%s: PNIC link changed state %8.8x, CSR5 %8.8x.\n", + dev->name, phy_reg, csr5); + if (inl(ioaddr + CSR5) & TPLnkFail) { + outl((inl(ioaddr + CSR7) & ~TPLnkFail) | TPLnkPass, ioaddr + CSR7); + if (! tp->nwayset || jiffies - dev->trans_start > 1*HZ) { + tp->csr6 = 0x00420000 | (tp->csr6 & 0x0000fdff); + outl(tp->csr6, ioaddr + CSR6); + outl(0x30, ioaddr + CSR12); + outl(0x0201F078, ioaddr + 0xB8); /* Turn on autonegotiation. */ + dev->trans_start = jiffies; + } + } else if (inl(ioaddr + CSR5) & TPLnkPass) { + pnic_do_nway(dev); + outl((inl(ioaddr + CSR7) & ~TPLnkPass) | TPLnkFail, ioaddr + CSR7); + } +} static void pnic_timer(unsigned long data) { struct device *dev = (struct device *)data; struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; - int csr12 = inl(ioaddr + CSR12); int next_tick = 60*HZ; - int new_csr6 = tp->csr6 & ~0x40C40200; if (media_cap[dev->if_port] & MediaIsMII) { - int negotiated = mdio_read(dev, tp->phys[0], 5) & tp->advertising[0]; - - if (tulip_debug > 1) - printk(KERN_DEBUG "%s: LC82C168 negotiated capability %8.8x, " - "CSR5 %8.8x.\n", - dev->name, negotiated, inl(ioaddr + CSR5)); - - if (negotiated & 0x0380) /* 10 vs 100mbps */ - new_csr6 |= 0x812E0000; - else - new_csr6 |= 0x816E0000; - if (((negotiated & 0x0300) == 0x0100) /* Duplex */ - || (negotiated & 0x00C0) == 0x0040 - || tp->full_duplex_lock) { - tp->full_duplex = 1; - new_csr6 |= 0x0200; - } - if (tulip_debug > 1) - printk(KERN_DEBUG "%s: LC82C168 MII PHY status %4.4x, Link " - "partner report %4.4x, csr6 %8.8x/%8.8x.\n", - dev->name, mdio_read(dev, tp->phys[0], 1), negotiated, - tp->csr6, inl(ioaddr + CSR6)); + if (check_duplex(dev) > 0) + next_tick = 3*HZ; } else { + int csr12 = inl(ioaddr + CSR12); + int new_csr6 = tp->csr6 & ~0x40C40200; int phy_reg = inl(ioaddr + 0xB8); int csr5 = inl(ioaddr + CSR5); if (tulip_debug > 1) - printk(KERN_DEBUG "%s: LC82C168 phy status %8.8x, CSR5 %8.8x.\n", - dev->name, phy_reg, csr5); - + printk(KERN_DEBUG "%s: PNIC timer PHY status %8.8x, %s " + "CSR5 %8.8x.\n", + dev->name, phy_reg, medianame[dev->if_port], csr5); if (phy_reg & 0x04000000) { /* Remote link fault */ - /*outl(0x0201F078, ioaddr + 0xB8);*/ - next_tick = 3*HZ; - } - if (inl(ioaddr + CSR5) & TPLnkFail) { /* 100baseTx link beat */ + outl(0x0201F078, ioaddr + 0xB8); + next_tick = 1*HZ; + tp->nwayset = 0; + } else if (phy_reg & 0x78000000) { /* Ignore baseT4 */ + pnic_do_nway(dev); + next_tick = 60*HZ; + } else if (csr5 & TPLnkFail) { /* 100baseTx link beat */ if (tulip_debug > 1) printk(KERN_DEBUG "%s: %s link beat failed, CSR12 %4.4x, " "CSR5 %8.8x, PHY %3.3x.\n", dev->name, medianame[dev->if_port], csr12, inl(ioaddr + CSR5), inl(ioaddr + 0xB8)); + next_tick = 3*HZ; if (tp->medialock) { + } else if (tp->nwayset && (dev->if_port & 1)) { + next_tick = 1*HZ; } else if (dev->if_port == 0) { dev->if_port = 3; outl(0x33, ioaddr + CSR12); @@ -1977,121 +2354,144 @@ static void pnic_timer(unsigned long data) new_csr6 = 0x00420000; outl(0x1F078, ioaddr + 0xB8); } - new_csr6 |= (tp->csr6 & 0xfdff); - next_tick = 3*HZ; - } else - new_csr6 = tp->csr6; - if (tp->full_duplex_lock || (phy_reg & 0x30000000) != 0) { - tp->full_duplex = 1; - new_csr6 |= 0x00000200; + if (tp->csr6 != new_csr6) { + tp->csr6 = new_csr6; + outl(tp->csr6 | 0x0002, ioaddr + CSR6); /* Restart Tx */ + outl(tp->csr6 | 0x2002, ioaddr + CSR6); + dev->trans_start = jiffies; + if (tulip_debug > 1) + printk(KERN_INFO "%s: Changing PNIC configuration to %s " + "%s-duplex, CSR6 %8.8x.\n", + dev->name, medianame[dev->if_port], + tp->full_duplex ? "full" : "half", new_csr6); + } } } - if (tp->csr6 != new_csr6) { - tp->csr6 = new_csr6; - outl(tp->csr6 | 0x0002, ioaddr + CSR6); /* Restart Tx */ - outl(tp->csr6 | 0x2002, ioaddr + CSR6); - dev->trans_start = jiffies; - if (tulip_debug > 0) /* Gurppp, should be >1 */ - printk(KERN_INFO "%s: Changing PNIC configuration to %s-duplex, " - "CSR6 %8.8x.\n", - dev->name, tp->full_duplex ? "full" : "half", new_csr6); - } + tp->timer.expires = RUN_AT(next_tick); + add_timer(&tp->timer); +} + +static void comet_timer(unsigned long data) +{ + struct device *dev = (struct device *)data; + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; + int next_tick = 60*HZ; + + if (tulip_debug > 1) + printk(KERN_DEBUG "%s: Comet link status %4.4x partner capability " + "%4.4x.\n", + dev->name, inl(ioaddr + 0xB8), inl(ioaddr + 0xC8)); tp->timer.expires = RUN_AT(next_tick); add_timer(&tp->timer); } static void tulip_tx_timeout(struct device *dev) { - struct tulip_private *tp = (struct tulip_private *)dev->priv; - long ioaddr = dev->base_addr; - - if (media_cap[dev->if_port] & MediaIsMII) { - /* Do nothing -- the media monitor should handle this. */ - if (tulip_debug > 1) - printk(KERN_WARNING "%s: Transmit timeout using MII device.\n", - dev->name); - dev->trans_start = jiffies; - return; - } else if (tp->chip_id == DC21040) { - if (inl(ioaddr + CSR12) & 0x0002) { - printk(KERN_INFO "%s: transmit timed out, switching to %s media.\n", - dev->name, dev->if_port ? "10baseT" : "AUI"); - dev->if_port ^= 1; - outl(dev->if_port ? 0x0000000C : 0x00000004, ioaddr + CSR13); - } - dev->trans_start = jiffies; - return; - } else if (tp->chip_id == DC21041) { - u32 csr12 = inl(ioaddr + CSR12); + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; - printk(KERN_WARNING "%s: 21041 transmit timed out, status %8.8x, CSR12 %8.8x," - " CSR13 %8.8x, CSR14 %8.8x, resetting...\n", - dev->name, inl(ioaddr + CSR5), csr12, - inl(ioaddr + CSR13), inl(ioaddr + CSR14)); - tp->mediasense = 1; - if (dev->if_port == 1 || dev->if_port == 2) - if (csr12 & 0x0004) { - dev->if_port = 2 - dev->if_port; - } else - dev->if_port = 0; - else - dev->if_port = 1; - select_media(dev, 0); - tp->stats.tx_errors++; - dev->trans_start = jiffies; - return; - } else if (tp->chip_id == DC21140 || tp->chip_id == DC21142 - || tp->chip_id == MX98713) { - /* Stop the transmit process. */ - outl(tp->csr6 | 0x0002, ioaddr + CSR6); - printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, " - "SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n", - dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12), - inl(ioaddr + CSR13), inl(ioaddr + CSR14), inl(ioaddr + CSR15)); - if (tp->mtable) { - if (--tp->cur_index < 0) { - /* We start again, but should instead look for default. */ - tp->cur_index = tp->mtable->leafcount - 1; - } - select_media(dev, 0); - printk(KERN_WARNING "%s: transmit timed out, switching to %s media.\n", - dev->name, dev->if_port ? "100baseTx" : "10baseT"); - } - outl(tp->csr6 | 0x2002, ioaddr + CSR6); - tp->stats.tx_errors++; - dev->trans_start = jiffies; - return; - } else - printk(KERN_WARNING "%s: transmit timed out, status %8.8x, CSR12 %8.8x," - " resetting...\n", - dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12)); -#ifdef way_too_many_messages - printk(" Rx ring %8.8x: ", (int)tp->rx_ring); - for (i = 0; i < RX_RING_SIZE; i++) - printk(" %8.8x", (unsigned int)tp->rx_ring[i].status); - printk("\n Tx ring %8.8x: ", (int)tp->tx_ring); - for (i = 0; i < TX_RING_SIZE; i++) - printk(" %8.8x", (unsigned int)tp->tx_ring[i].status); - printk("\n"); + if (media_cap[dev->if_port] & MediaIsMII) { + /* Do nothing -- the media monitor should handle this. */ + if (tulip_debug > 1) + printk(KERN_WARNING "%s: Transmit timeout using MII device.\n", + dev->name); + } else if (tp->chip_id == DC21040) { + if ( !tp->medialock && inl(ioaddr + CSR12) & 0x0002) { + dev->if_port = (dev->if_port == 2 ? 0 : 2); + printk(KERN_INFO "%s: transmit timed out, switching to " + "%s.\n", + dev->name, medianame[dev->if_port]); + select_media(dev, 0); + } + dev->trans_start = jiffies; + return; + } else if (tp->chip_id == DC21041) { + int csr12 = inl(ioaddr + CSR12); + + printk(KERN_WARNING "%s: 21041 transmit timed out, status %8.8x, " + "CSR12 %8.8x, CSR13 %8.8x, CSR14 %8.8x, resetting...\n", + dev->name, inl(ioaddr + CSR5), csr12, + inl(ioaddr + CSR13), inl(ioaddr + CSR14)); + tp->mediasense = 1; + if ( ! tp->medialock) { + if (dev->if_port == 1 || dev->if_port == 2) + if (csr12 & 0x0004) { + dev->if_port = 2 - dev->if_port; + } else + dev->if_port = 0; + else + dev->if_port = 1; + select_media(dev, 0); + } + } else if (tp->chip_id == DC21140 || tp->chip_id == DC21142 + || tp->chip_id == MX98713 || tp->chip_id == COMPEX9881) { + printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, " + "SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n", + dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12), + inl(ioaddr + CSR13), inl(ioaddr + CSR14), inl(ioaddr + CSR15)); + if ( ! tp->medialock && tp->mtable) { + do + --tp->cur_index; + while (tp->cur_index >= 0 + && (media_cap[tp->mtable->mleaf[tp->cur_index].media] + & MediaIsFD)); + if (--tp->cur_index < 0) { + /* We start again, but should instead look for default. */ + tp->cur_index = tp->mtable->leafcount - 1; + } + select_media(dev, 0); + printk(KERN_WARNING "%s: transmit timed out, switching to %s " + "media.\n", dev->name, medianame[dev->if_port]); + } + } else { + printk(KERN_WARNING "%s: Transmit timed out, status %8.8x, CSR12 " + "%8.8x, resetting...\n", + dev->name, inl(ioaddr + CSR5), inl(ioaddr + CSR12)); + dev->if_port = 0; + } + +#if defined(way_too_many_messages) + if (tulip_debug > 3) { + int i; + for (i = 0; i < RX_RING_SIZE; i++) { + u8 *buf = (u8 *)(tp->rx_ring[i].buffer1); + int j; + printk(KERN_DEBUG "%2d: %8.8x %8.8x %8.8x %8.8x " + "%2.2x %2.2x %2.2x.\n", + i, (unsigned int)tp->rx_ring[i].status, + (unsigned int)tp->rx_ring[i].length, + (unsigned int)tp->rx_ring[i].buffer1, + (unsigned int)tp->rx_ring[i].buffer2, + buf[0], buf[1], buf[2]); + for (j = 0; buf[j] != 0xee && j < 1600; j++) + if (j < 100) printk(" %2.2x", buf[j]); + printk(" j=%d.\n", j); + } + printk(KERN_DEBUG " Rx ring %8.8x: ", (int)tp->rx_ring); + for (i = 0; i < RX_RING_SIZE; i++) + printk(" %8.8x", (unsigned int)tp->rx_ring[i].status); + printk("\n" KERN_DEBUG " Tx ring %8.8x: ", (int)tp->tx_ring); + for (i = 0; i < TX_RING_SIZE; i++) + printk(" %8.8x", (unsigned int)tp->tx_ring[i].status); + printk("\n"); + } #endif - /* Perhaps we should reinitialize the hardware here. */ - dev->if_port = 0; - /* Stop and restart the chip's Tx processes . */ - outl(tp->csr6 | 0x0002, ioaddr + CSR6); - outl(tp->csr6 | 0x2002, ioaddr + CSR6); - /* Trigger an immediate transmit demand. */ - outl(0, ioaddr + CSR1); - - dev->trans_start = jiffies; - tp->stats.tx_errors++; - return; + /* Stop and restart the chip's Tx processes . */ + outl(tp->csr6 | 0x0002, ioaddr + CSR6); + outl(tp->csr6 | 0x2002, ioaddr + CSR6); + /* Trigger an immediate transmit demand. */ + outl(0, ioaddr + CSR1); + + dev->trans_start = jiffies; + tp->stats.tx_errors++; + return; } /* Initialize the Rx and Tx rings, along with various 'dev' bits. */ -static void -tulip_init_ring(struct device *dev) +static void tulip_init_ring(struct device *dev) { struct tulip_private *tp = (struct tulip_private *)dev->priv; int i; @@ -2099,40 +2499,42 @@ tulip_init_ring(struct device *dev) tp->tx_full = 0; tp->cur_rx = tp->cur_tx = 0; tp->dirty_rx = tp->dirty_tx = 0; + tp->susp_rx = 0; + tp->ttimer = 0; + tp->nir = 0; for (i = 0; i < RX_RING_SIZE; i++) { - tp->rx_ring[i].status = 0x80000000; /* Owned by Tulip chip */ - tp->rx_ring[i].length = PKT_BUF_SZ; - { - /* Note the receive buffer must be longword aligned. - dev_alloc_skb() provides 16 byte alignment. But do *not* - use skb_reserve() to align the IP header! */ - struct sk_buff *skb; - skb = DEV_ALLOC_SKB(PKT_BUF_SZ); - tp->rx_skbuff[i] = skb; - if (skb == NULL) - break; /* Bad news! */ - skb->dev = dev; /* Mark as being used by this device. */ -#if LINUX_VERSION_CODE > 0x10300 - tp->rx_ring[i].buffer1 = virt_to_bus(skb->tail); -#else - tp->rx_ring[i].buffer1 = virt_to_bus(skb->data); -#endif - } - tp->rx_ring[i].buffer2 = virt_to_bus(&tp->rx_ring[i+1]); + tp->rx_ring[i].status = 0x00000000; + tp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ); + tp->rx_ring[i].buffer2 = virt_to_le32desc(&tp->rx_ring[i+1]); + tp->rx_skbuff[i] = NULL; } /* Mark the last entry as wrapping the ring. */ - tp->rx_ring[i-1].length = PKT_BUF_SZ | 0x02000000; - tp->rx_ring[i-1].buffer2 = virt_to_bus(&tp->rx_ring[0]); + tp->rx_ring[i-1].length = cpu_to_le32(PKT_BUF_SZ | DESC_RING_WRAP); + tp->rx_ring[i-1].buffer2 = virt_to_le32desc(&tp->rx_ring[0]); + + for (i = 0; i < RX_RING_SIZE; i++) { + /* Note the receive buffer must be longword aligned. + dev_alloc_skb() provides 16 byte alignment. But do *not* + use skb_reserve() to align the IP header! */ + struct sk_buff *skb = dev_alloc_skb(PKT_BUF_SZ); + tp->rx_skbuff[i] = skb; + if (skb == NULL) + break; + skb->dev = dev; /* Mark as being used by this device. */ + tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ + tp->rx_ring[i].buffer1 = virt_to_le32desc(skb->tail); + } + tp->dirty_rx = (unsigned int)(i - RX_RING_SIZE); /* The Tx buffer descriptor is filled in as needed, but we do need to clear the ownership bit. */ for (i = 0; i < TX_RING_SIZE; i++) { tp->tx_skbuff[i] = 0; tp->tx_ring[i].status = 0x00000000; - tp->tx_ring[i].buffer2 = virt_to_bus(&tp->tx_ring[i+1]); + tp->tx_ring[i].buffer2 = virt_to_le32desc(&tp->tx_ring[i+1]); } - tp->tx_ring[i-1].buffer2 = virt_to_bus(&tp->tx_ring[0]); + tp->tx_ring[i-1].buffer2 = virt_to_le32desc(&tp->tx_ring[0]); } static int @@ -2151,80 +2553,76 @@ tulip_start_xmit(struct sk_buff *skb, struct device *dev) return 1; } - /* Caution: the write order is important here, set the base address - with the "ownership" bits last. */ + /* Caution: the write order is important here, set the field + with the ownership bits last. */ /* Calculate the next Tx descriptor entry. */ entry = tp->cur_tx % TX_RING_SIZE; tp->tx_skbuff[entry] = skb; - tp->tx_ring[entry].buffer1 = virt_to_bus(skb->data); + tp->tx_ring[entry].buffer1 = virt_to_le32desc(skb->data); if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE/2) {/* Typical path */ - flag = 0x60000000; /* No interrupt */ - dev->tbusy = 0; + flag = 0x60000000; /* No interrupt */ } else if (tp->cur_tx - tp->dirty_tx == TX_RING_SIZE/2) { - flag = 0xe0000000; /* Tx-done intr. */ - dev->tbusy = 0; + flag = 0xe0000000; /* Tx-done intr. */ } else if (tp->cur_tx - tp->dirty_tx < TX_RING_SIZE - 2) { - flag = 0x60000000; /* No Tx-done intr. */ - dev->tbusy = 0; - } else { - /* Leave room for set_rx_mode() to fill entries. */ - flag = 0xe0000000; /* Tx-done intr. */ - tp->tx_full = 1; + flag = 0x60000000; /* No Tx-done intr. */ + } else { /* Leave room for set_rx_mode() to fill entries. */ + tp->tx_full = 1; + flag = 0xe0000000; /* Tx-done intr. */ } if (entry == TX_RING_SIZE-1) - flag |= 0xe2000000; + flag = 0xe0000000 | DESC_RING_WRAP; - tp->tx_ring[entry].length = skb->len | flag; - tp->tx_ring[entry].status = 0x80000000; /* Pass ownership to the chip. */ + tp->tx_ring[entry].length = cpu_to_le32(skb->len | flag); + tp->tx_ring[entry].status = cpu_to_le32(DescOwned); tp->cur_tx++; - /* Trigger an immediate transmit demand. */ - outl(0, dev->base_addr + CSR1); + if ( ! tp->tx_full) + clear_bit(0, (void*)&dev->tbusy); dev->trans_start = jiffies; + /* Trigger an immediate transmit demand. */ + outl(0, dev->base_addr + CSR1); return 0; } /* The interrupt handler does all of the Rx thread work and cleans up after the Tx thread. */ -static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *regs) +static void tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs) { -#ifdef SA_SHIRQ /* Use the now-standard shared IRQ implementation. */ struct device *dev = (struct device *)dev_instance; -#else - struct device *dev = (struct device *)(irq2dev_map[irq]); -#endif - - struct tulip_private *tp; - long ioaddr; - int csr5, work_budget = max_interrupt_work; - - if (dev == NULL) { - printk (KERN_ERR" tulip_interrupt(): irq %d for unknown device.\n", - irq); + struct tulip_private *tp = (struct tulip_private *)dev->priv; + long ioaddr = dev->base_addr; + int csr5; + int entry; + int missed; + int rx = 0; + int tx = 0; + int oi = 0; + int maxrx = RX_RING_SIZE; + int maxtx = TX_RING_SIZE; + int maxoi = TX_RING_SIZE; + +#if defined(__i386__) && defined(SMP_CHECK) + if (test_and_set_bit(0, (void*)&dev->interrupt)) { + printk(KERN_ERR "%s: Duplicate entry of the interrupt handler by " + "processor %d.\n", + dev->name, hard_smp_processor_id()); + dev->interrupt = 0; return; } - - ioaddr = dev->base_addr; - tp = (struct tulip_private *)dev->priv; - if (test_and_set_bit(0, (void*)&tp->interrupt)) { -#ifdef SMP_CHECK - printk(KERN_ERR "%s: Re-entering the interrupt handler with proc %d," - " proc %d already handling.\n", dev->name, - tp->smp_proc_id, hard_smp_processor_id()); #else + if (dev->interrupt) { printk(KERN_ERR "%s: Re-entering the interrupt handler.\n", dev->name); -#endif return; } dev->interrupt = 1; -#ifdef SMP_CHECK - tp->smp_proc_id = hard_smp_processor_id(); #endif + tp->nir++; + do { csr5 = inl(ioaddr + CSR5); /* Acknowledge all of the current interrupt sources ASAP. */ @@ -2237,23 +2635,25 @@ static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *reg if ((csr5 & (NormalIntr|AbnormalIntr)) == 0) break; - if (csr5 & (RxIntr | RxNoBuf)) - work_budget -= tulip_rx(dev); + if (csr5 & (RxIntr | RxNoBuf)) { + rx += tulip_rx(dev); + tulip_refill_rx(dev); + } - if (csr5 & (TxNoBuf | TxDied | TxIntr)) { + if (csr5 & (TxNoBuf | TxDied | TxIntr | TimerInt)) { unsigned int dirty_tx; for (dirty_tx = tp->dirty_tx; tp->cur_tx - dirty_tx > 0; dirty_tx++) { int entry = dirty_tx % TX_RING_SIZE; - int status = tp->tx_ring[entry].status; + int status = le32_to_cpu(tp->tx_ring[entry].status); if (status < 0) - break; /* It still hasn't been Txed */ + break; /* It still has not been Txed */ /* Check for Rx filter setup frames. */ if (tp->tx_skbuff[entry] == NULL) continue; - + if (status & 0x8000) { /* There was an major error, log it. */ #ifndef final_version @@ -2276,19 +2676,16 @@ static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *reg if (status & 0x0001) tp->stats.tx_deferred++; #endif #if LINUX_VERSION_CODE > 0x20127 - tp->stats.tx_bytes += tp->tx_ring[entry].length & 0x7ff; + tp->stats.tx_bytes += tp->tx_skbuff[entry]->len; #endif tp->stats.collisions += (status >> 3) & 15; tp->stats.tx_packets++; } /* Free the original skb. */ -#if (LINUX_VERSION_CODE > 0x20155) - dev_kfree_skb(tp->tx_skbuff[entry]); -#else - dev_kfree_skb(tp->tx_skbuff[entry], FREE_WRITE); -#endif + dev_free_skb(tp->tx_skbuff[entry]); tp->tx_skbuff[entry] = 0; + tx++; } #ifndef final_version @@ -2304,15 +2701,15 @@ static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *reg /* The ring is no longer full, clear tbusy. */ tp->tx_full = 0; dev->tbusy = 0; - mark_bh(NET_BH); + netif_wake_queue(dev); } tp->dirty_tx = dirty_tx; if (csr5 & TxDied) { - if (tulip_debug > 1) - printk(KERN_WARNING "%s: The transmitter stopped!" - " CSR5 is %x, CSR6 %x.\n", - dev->name, csr5, inl(ioaddr + CSR6)); + if (tulip_debug > 2) + printk(KERN_WARNING "%s: The transmitter stopped." + " CSR5 is %x, CSR6 %x, new CSR6 %x.\n", + dev->name, csr5, inl(ioaddr + CSR6), tp->csr6); outl(tp->csr6 | 0x0002, ioaddr + CSR6); outl(tp->csr6 | 0x2002, ioaddr + CSR6); } @@ -2320,6 +2717,8 @@ static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *reg /* Log errors. */ if (csr5 & AbnormalIntr) { /* Abnormal error summary bit. */ + if (csr5 == 0xffffffff) + break; if (csr5 & TxJabber) tp->stats.tx_errors++; if (csr5 & TxFIFOUnderflow) { if ((tp->csr6 & 0xC000) != 0xC000) @@ -2329,129 +2728,186 @@ static void tulip_interrupt IRQ(int irq, void *dev_instance, struct pt_regs *reg /* Restart the transmit process. */ outl(tp->csr6 | 0x0002, ioaddr + CSR6); outl(tp->csr6 | 0x2002, ioaddr + CSR6); + outl(0, ioaddr + CSR1); } if (csr5 & RxDied) { /* Missed a Rx frame. */ tp->stats.rx_errors++; tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff; + outl(tp->csr6 | 0x2002, ioaddr + CSR6); } - if (csr5 & TimerInt) { - printk(KERN_ERR "%s: Something Wicked happened! %8.8x.\n", - dev->name, csr5); - /* Hmmmmm, it's not clear what to do here. */ + if (csr5 & (TPLnkPass | TPLnkFail | 0x08000000)) { + if (tp->link_change) + (tp->link_change)(dev, csr5); } - if (csr5 & (TPLnkPass | TPLnkFail | 0x08000000) - && tp->chip_id == DC21142) { - if (tulip_debug > 1) - printk(KERN_INFO"%s: 21142 link change, CSR5 = %8.8x.\n", - dev->name, csr5); - t21142_lnk_change(dev); + if (csr5 & SytemError) { + printk(KERN_ERR "%s: (%lu) System Error occured\n", dev->name, tp->nir); } /* Clear all error sources, included undocumented ones! */ outl(0x0800f7ba, ioaddr + CSR5); + oi++; } - if (--work_budget < 0) { + if (csr5 & TimerInt) { +#if 0 + if (tulip_debug > 2) + printk(KERN_ERR "%s: Re-enabling interrupts, %8.8x.\n", + dev->name, csr5); + outl(tulip_tbl[tp->chip_id].valid_intrs, ioaddr + CSR7); +#endif + tp->ttimer = 0; + oi++; + } + if (tx > maxtx || rx > maxrx || oi > maxoi) { if (tulip_debug > 1) - printk(KERN_WARNING "%s: Too much work at interrupt, " - "csr5=0x%8.8x.\n", dev->name, csr5); + printk(KERN_WARNING "%s: Too much work during an interrupt, " + "csr5=0x%8.8x. (%lu) (%d,%d,%d)\n", dev->name, csr5, tp->nir, tx, rx, oi); /* Acknowledge all interrupt sources. */ - outl(0x8001ffff, ioaddr + CSR5); -#ifdef notdef - /* Clear all but standard interrupt sources. */ - outl((~csr5) & 0x0001ebef, ioaddr + CSR7); +#if 0 + /* Clear all interrupting sources, set timer to re-enable. */ + outl(((~csr5) & 0x0001ebef) | NormalIntr | AbnormalIntr | TimerInt, + ioaddr + CSR7); + outl(12, ioaddr + CSR11); + tp->ttimer = 1; #endif break; } } while (1); - if (tulip_debug > 3) + tulip_refill_rx(dev); + + /* check if we card is in suspend mode */ + entry = tp->dirty_rx % RX_RING_SIZE; + if (tp->rx_skbuff[entry] == NULL) { + if (tulip_debug > 1) + printk(KERN_WARNING "%s: in rx suspend mode: (%lu) (tp->cur_rx = %u, ttimer = %d, rx = %d) go/stay in suspend mode\n", dev->name, tp->nir, tp->cur_rx, tp->ttimer, rx); + if (tp->ttimer == 0 || (inl(ioaddr + CSR11) & 0xffff) == 0) { + if (tulip_debug > 1) + printk(KERN_WARNING "%s: in rx suspend mode: (%lu) set timer\n", dev->name, tp->nir); + outl(tulip_tbl[tp->chip_id].valid_intrs | TimerInt, + ioaddr + CSR7); + outl(TimerInt, ioaddr + CSR5); + outl(12, ioaddr + CSR11); + tp->ttimer = 1; + } + } + + if ((missed = inl(ioaddr + CSR8) & 0x1ffff)) { + tp->stats.rx_dropped += missed & 0x10000 ? 0x10000 : missed; + } + + if (tulip_debug > 4) printk(KERN_DEBUG "%s: exiting interrupt, csr5=%#4.4x.\n", dev->name, inl(ioaddr + CSR5)); +#if defined(__i386__) + clear_bit(0, (void*)&dev->interrupt); +#else dev->interrupt = 0; - clear_bit(0, (void*)&tp->interrupt); +#endif return; } -static int -tulip_rx(struct device *dev) +static int tulip_refill_rx(struct device *dev) +{ + struct tulip_private *tp = (struct tulip_private *)dev->priv; + int entry; + int refilled = 0; + + /* Refill the Rx ring buffers. */ + for (; tp->cur_rx - tp->dirty_rx > 0; tp->dirty_rx++) { + entry = tp->dirty_rx % RX_RING_SIZE; + if (tp->rx_skbuff[entry] == NULL) { + struct sk_buff *skb; + skb = tp->rx_skbuff[entry] = dev_alloc_skb(PKT_BUF_SZ); + if (skb == NULL) + break; + skb->dev = dev; /* Mark as being used by this device. */ + tp->rx_ring[entry].buffer1 = virt_to_le32desc(skb->tail); + refilled++; + } + tp->rx_ring[entry].status = cpu_to_le32(DescOwned); + } + return refilled; +} + +static int tulip_rx(struct device *dev) { struct tulip_private *tp = (struct tulip_private *)dev->priv; int entry = tp->cur_rx % RX_RING_SIZE; int rx_work_limit = tp->dirty_rx + RX_RING_SIZE - tp->cur_rx; - int work_done = 0; + int received = 0; if (tulip_debug > 4) printk(KERN_DEBUG " In tulip_rx(), entry %d %8.8x.\n", entry, tp->rx_ring[entry].status); - /* If we own the next entry, it's a new packet. Send it up. */ - while (tp->rx_ring[entry].status >= 0) { - s32 status = tp->rx_ring[entry].status; + /* If we own the next entry, it is a new packet. Send it up. */ + while ( ! (tp->rx_ring[entry].status & cpu_to_le32(DescOwned))) { + s32 status = le32_to_cpu(tp->rx_ring[entry].status); + if (tulip_debug > 5) + printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %8.8x.\n", + dev->name, entry, status); if (--rx_work_limit < 0) break; - if ((status & 0x0300) != 0x0300) { - if ((status & 0xffff) != 0x7fff) { /* Ingore earlier buffers. */ - if (tulip_debug > 1) - printk(KERN_WARNING "%s: Oversized Ethernet frame spanned " - "multiple buffers, status %8.8x!\n", + if ((status & 0x38008300) != 0x0300) { + if ((status & 0x38000300) != 0x0300) { + /* Ingore earlier buffers. */ + if ((status & 0xffff) != 0x7fff) { + if (tulip_debug > 1) + printk(KERN_WARNING "%s: Oversized Ethernet frame " + "spanned multiple buffers, status %8.8x!\n", + dev->name, status); + tp->stats.rx_length_errors++; + } + } else if (status & RxDescFatalErr) { + /* There was a fatal error. */ + if (tulip_debug > 2) + printk(KERN_DEBUG "%s: Receive error, Rx status %8.8x.\n", dev->name, status); - tp->stats.rx_length_errors++; + tp->stats.rx_errors++; /* end of a packet.*/ + if (status & 0x0890) tp->stats.rx_length_errors++; + if (status & 0x0004) tp->stats.rx_frame_errors++; + if (status & 0x0002) tp->stats.rx_crc_errors++; + if (status & 0x0001) tp->stats.rx_fifo_errors++; } - } else if (status & 0x8000) { - /* There was a fatal error. */ - if (tulip_debug > 2) - printk(KERN_DEBUG "%s: Receive error, Rx status %8.8x.\n", - dev->name, status); - tp->stats.rx_errors++; /* end of a packet.*/ - if (status & 0x0890) tp->stats.rx_length_errors++; - if (status & 0x0004) tp->stats.rx_frame_errors++; - if (status & 0x0002) tp->stats.rx_crc_errors++; - if (status & 0x0001) tp->stats.rx_fifo_errors++; } else { /* Omit the four octet CRC from the length. */ - short pkt_len = ((status >> 16) & 0x7FF) - 4; + short pkt_len = ((status >> 16) & 0x7ff) - 4; struct sk_buff *skb; - /* Check if the packet is long enough to just accept without - copying to a properly sized skbuff. */ +#ifndef final_version + if (pkt_len > 1518) { + printk(KERN_WARNING "%s: Bogus packet size of %d (%#x).\n", + dev->name, pkt_len, pkt_len); + pkt_len = 1518; + tp->stats.rx_length_errors++; + } +#endif + /* Check if the packet is long enough to accept without copying + to a minimally-sized skbuff. */ if (pkt_len < rx_copybreak - && (skb = DEV_ALLOC_SKB(pkt_len+2)) != NULL) { + && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) { skb->dev = dev; skb_reserve(skb, 2); /* 16 byte align the IP header */ -#if LINUX_VERSION_CODE < 0x10300 - memcpy(skb->data, tp->rx_ring[entry].buffer1, pkt_len); -#elif LINUX_VERSION_CODE < 0x20200 || defined(__alpha__) - memcpy(skb_put(skb, pkt_len), - bus_to_virt(tp->rx_ring[entry].buffer1), pkt_len); -#else -#warning Code untested - eth_copy_and_sum(skb, bus_to_virt(tp->rx_ring[entry].buffer1), - pkt_len, 0); +#if ! defined(__alpha__) + eth_copy_and_sum(skb, tp->rx_skbuff[entry]->tail, pkt_len, 0); skb_put(skb, pkt_len); +#else + memcpy(skb_put(skb, pkt_len), tp->rx_skbuff[entry]->tail, + pkt_len); #endif - work_done++; } else { /* Pass up the skb already on the Rx ring. */ - skb = tp->rx_skbuff[entry]; + char *temp = skb_put(skb = tp->rx_skbuff[entry], pkt_len); tp->rx_skbuff[entry] = NULL; #ifndef final_version - { - void *temp = skb_put(skb, pkt_len); - if (bus_to_virt(tp->rx_ring[entry].buffer1) != temp) - printk(KERN_ERR "%s: Internal consistency error! The " - "skbuff addresses do not match in tulip_rx:" - " %p vs. %p / %p.\n", dev->name, - bus_to_virt(tp->rx_ring[entry].buffer1), - skb->head, temp); - } -#else - skb_put(skb, pkt_len); + if (le32desc_to_virt(tp->rx_ring[entry].buffer1) != temp) + printk(KERN_ERR "%s: Internal fault: The skbuff addresses " + "do not match in tulip_rx: %p vs. %p / %p.\n", + dev->name, + le32desc_to_virt(tp->rx_ring[entry].buffer1), + skb->head, temp); #endif } -#if LINUX_VERSION_CODE > 0x10300 skb->protocol = eth_type_trans(skb, dev); -#else - skb->len = pkt_len; -#endif netif_rx(skb); dev->last_rx = jiffies; tp->stats.rx_packets++; @@ -2459,33 +2915,14 @@ tulip_rx(struct device *dev) tp->stats.rx_bytes += pkt_len; #endif } + received++; entry = (++tp->cur_rx) % RX_RING_SIZE; } - /* Refill the Rx ring buffers. */ - for (; tp->cur_rx - tp->dirty_rx > 0; tp->dirty_rx++) { - entry = tp->dirty_rx % RX_RING_SIZE; - if (tp->rx_skbuff[entry] == NULL) { - struct sk_buff *skb; - skb = tp->rx_skbuff[entry] = DEV_ALLOC_SKB(PKT_BUF_SZ); - if (skb == NULL) - break; - skb->dev = dev; /* Mark as being used by this device. */ -#if LINUX_VERSION_CODE > 0x10300 - tp->rx_ring[entry].buffer1 = virt_to_bus(skb->tail); -#else - tp->rx_ring[entry].buffer1 = virt_to_bus(skb->data); -#endif - work_done++; - } - tp->rx_ring[entry].status = 0x80000000; - } - - return work_done; + return received; } -static int -tulip_close(struct device *dev) +static int tulip_close(struct device *dev) { long ioaddr = dev->base_addr; struct tulip_private *tp = (struct tulip_private *)dev->priv; @@ -2500,22 +2937,20 @@ tulip_close(struct device *dev) /* Disable interrupts by clearing the interrupt mask. */ outl(0x00000000, ioaddr + CSR7); - /* Stop the chip's Tx and Rx processes. */ + /* Stop the Tx and Rx processes. */ outl(inl(ioaddr + CSR6) & ~0x2002, ioaddr + CSR6); /* 21040 -- Leave the card in 10baseT state. */ if (tp->chip_id == DC21040) outl(0x00000004, ioaddr + CSR13); - tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff; + if (inl(ioaddr + CSR6) != 0xffffffff) + tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff; del_timer(&tp->timer); -#ifdef SA_SHIRQ free_irq(dev->irq, dev); -#else - free_irq(dev->irq); - irq2dev_map[dev->irq] = 0; -#endif + + dev->if_port = tp->saved_if_port; /* Free all the skbuffs in the Rx queue. */ for (i = 0; i < RX_RING_SIZE; i++) { @@ -2528,31 +2963,26 @@ tulip_close(struct device *dev) #if LINUX_VERSION_CODE < 0x20100 skb->free = 1; #endif -#if (LINUX_VERSION_CODE > 0x20155) - dev_kfree_skb(skb); -#else - dev_kfree_skb(skb, FREE_WRITE); -#endif + dev_free_skb(skb); } } for (i = 0; i < TX_RING_SIZE; i++) { if (tp->tx_skbuff[i]) -#if (LINUX_VERSION_CODE > 0x20155) - dev_kfree_skb(tp->tx_skbuff[i]); -#else - dev_kfree_skb(tp->tx_skbuff[i], FREE_WRITE); -#endif + dev_free_skb(tp->tx_skbuff[i]); tp->tx_skbuff[i] = 0; } + /* Leave the driver in snooze, not sleep, mode. */ + if (tp->flags & HAS_PWRDWN) + pcibios_write_config_dword(tp->pci_bus, tp->pci_devfn, 0x40, + 0x40000000); MOD_DEC_USE_COUNT; return 0; } -static struct enet_statistics * -tulip_get_stats(struct device *dev) +static struct net_device_stats *tulip_get_stats(struct device *dev) { struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; @@ -2575,31 +3005,32 @@ static int private_ioctl(struct device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */ - if (tp->mtable && tp->mtable->has_mii) + if (tp->mii_cnt) data[0] = phy; - else if (tp->chip_id == DC21142) + else if (tp->flags & HAS_NWAY143) data[0] = 32; + else if (tp->chip_id == COMET) + data[0] = 1; else return -ENODEV; - return 0; case SIOCDEVPRIVATE+1: /* Read the specified MII register. */ - if (data[0] == 32) { /* 21142 pseudo-MII */ + if (data[0] == 32 && (tp->flags & HAS_NWAY143)) { int csr12 = inl(ioaddr + CSR12); int csr14 = inl(ioaddr + CSR14); switch (data[1]) { case 0: { - data[3] = ((csr14<<13)&0x4000) + ((csr14<<5)&0x1000); + data[3] = (csr14<<5) & 0x1000; break; } case 1: data[3] = 0x7848 + ((csr12&0x7000) == 0x5000 ? 0x20 : 0) + (csr12&0x06 ? 0x04 : 0); break; case 4: { - int csr14 = inl(ioaddr + CSR14); - data[3] = ((csr14>>9)&0x0380) + ((csr14>>1)&0x20) + 1; + data[3] = ((csr14>>9)&0x07C0) + + ((inl(ioaddr + CSR6)>>3)&0x0040) + ((csr14>>1)&0x20) + 1; break; } - case 5: data[3] = inl(ioaddr + CSR12) >> 16; break; + case 5: data[3] = csr12 >> 16; break; default: data[3] = 0; break; } } else { @@ -2610,9 +3041,11 @@ static int private_ioctl(struct device *dev, struct ifreq *rq, int cmd) } return 0; case SIOCDEVPRIVATE+2: /* Write the specified MII register */ - if (!suser()) + if (!capable(CAP_NET_ADMIN)) return -EPERM; - if (data[0] == 32) { /* 21142 pseudo-MII */ + if (data[0] == 32 && (tp->flags & HAS_NWAY143)) { + if (data[1] == 5) + tp->to_advertise = data[2]; } else { save_flags(flags); cli(); @@ -2637,9 +3070,9 @@ static int private_ioctl(struct device *dev, struct ifreq *rq, int cmd) N.B. Do not use for bulk data, use a table-based routine instead. This is common code and should be moved to net/core/crc.c */ static unsigned const ethernet_polynomial_le = 0xedb88320U; -static inline unsigned ether_crc_le(int length, unsigned char *data) +static inline u32 ether_crc_le(int length, unsigned char *data) { - unsigned int crc = 0xffffffff; /* Initial value. */ + u32 crc = 0xffffffff; /* Initial value. */ while(--length >= 0) { unsigned char current_octet = *data++; int bit; @@ -2653,81 +3086,108 @@ static inline unsigned ether_crc_le(int length, unsigned char *data) } return crc; } +static unsigned const ethernet_polynomial = 0x04c11db7U; +static inline u32 ether_crc(int length, unsigned char *data) +{ + int crc = -1; + + while(--length >= 0) { + unsigned char current_octet = *data++; + int bit; + for (bit = 0; bit < 8; bit++, current_octet >>= 1) + crc = (crc << 1) ^ + ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0); + } + return crc; +} -#ifdef NEW_MULTICAST static void set_rx_mode(struct device *dev) -#else -static void set_rx_mode(struct device *dev, int num_addrs, void *addrs) -#endif { + struct tulip_private *tp = (struct tulip_private *)dev->priv; long ioaddr = dev->base_addr; int csr6 = inl(ioaddr + CSR6) & ~0x00D5; - struct tulip_private *tp = (struct tulip_private *)dev->priv; tp->csr6 &= ~0x00D5; if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */ - outl(csr6 | 0x00C0, ioaddr + CSR6); + tp->csr6 |= 0x00C0; + csr6 |= 0x00C0; /* Unconditionally log net taps. */ printk(KERN_INFO "%s: Promiscuous mode enabled.\n", dev->name); - tp->csr6 |= 0xC0; } else if ((dev->mc_count > 1000) || (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - outl(csr6 | 0x0080, ioaddr + CSR6); - tp->csr6 |= 0x80; + /* Too many to filter well -- accept all multicasts. */ + tp->csr6 |= 0x0080; + csr6 |= 0x0080; + } else if (tp->flags & MC_HASH_ONLY) { + /* Some work-alikes have only a 64-entry hash filter table. */ + /* Should verify correctness on big-endian/__powerpc__ */ + struct dev_mc_list *mclist; + int i; + u32 mc_filter[2]; /* Multicast hash filter */ + if (dev->mc_count > 64) { /* Arbitrary non-effective limit. */ + tp->csr6 |= 0x0080; + csr6 |= 0x0080; + } else { + mc_filter[1] = mc_filter[0] = 0; + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) + set_bit(ether_crc(ETH_ALEN, mclist->dmi_addr)>>26, mc_filter); + if (tp->chip_id == AX88140) { + outl(2, ioaddr + CSR13); + outl(mc_filter[0], ioaddr + CSR14); + outl(3, ioaddr + CSR13); + outl(mc_filter[1], ioaddr + CSR14); + } else if (tp->chip_id == COMET) { /* Has a simple hash filter. */ + outl(mc_filter[0], ioaddr + 0xAC); + outl(mc_filter[1], ioaddr + 0xB0); + } + } } else { - u32 *setup_frm = tp->setup_frame; + u16 *eaddrs, *setup_frm = tp->setup_frame; struct dev_mc_list *mclist; - u16 *eaddrs; - u32 tx_flags; + u32 tx_flags = 0x08000000 | 192; int i; + /* Note that only the low-address shortword of setup_frame is valid! + The values are doubled for big-endian architectures. */ if (dev->mc_count > 14) { /* Must use a multicast hash table. */ - u16 hash_table[32]; - memset(hash_table, 0, sizeof(hash_table)); - /* This should work on big-endian machines as well. */ - for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; - i++, mclist = mclist->next) - set_bit(ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x1ff, - hash_table); - /* Copy the hash table to the setup frame. - NOTE that only the LOW SHORTWORD of setup_frame[] is valid! */ - for (i = 0; i < 32; i++) - *setup_frm++ = hash_table[i]; - setup_frm += 7; - tx_flags = 0x08400000 | 192; - /* Too clever: i > 15 for fall-though. */ + u16 hash_table[32]; + tx_flags = 0x08400000 | 192; /* Use hash filter. */ + memset(hash_table, 0, sizeof(hash_table)); + set_bit(255, hash_table); /* Broadcast entry */ + /* This should work on big-endian machines as well. */ + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; + i++, mclist = mclist->next) + set_bit(ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x1ff, + hash_table); + for (i = 0; i < 32; i++) + *setup_frm++ = *setup_frm++ = hash_table[i]; + setup_frm = &tp->setup_frame[13*6]; } else { - /* We have <= 15 addresses so we can use the wonderful - 16 address perfect filtering of the Tulip. */ - for (i = 0, mclist = dev->mc_list; i < dev->mc_count; - i++, mclist = mclist->next) { - /* Note that only the low shortword of setup_frame[] is valid! - This code may require tweaking for non-x86 architectures! */ - eaddrs = (u16 *)mclist->dmi_addr; - *setup_frm++ = *eaddrs++; - *setup_frm++ = *eaddrs++; - *setup_frm++ = *eaddrs++; - } - /* Fill the rest of the table with our physical address. - Once again, only the low shortword or setup_frame[] is valid! */ - *setup_frm++ = 0xffff; - *setup_frm++ = 0xffff; - *setup_frm++ = 0xffff; - tx_flags = 0x08000000 | 192; + /* We have <= 14 addresses so we can use the wonderful + 16 address perfect filtering of the Tulip. */ + for (i = 0, mclist = dev->mc_list; i < dev->mc_count; + i++, mclist = mclist->next) { + eaddrs = (u16 *)mclist->dmi_addr; + *setup_frm++ = *setup_frm++ = *eaddrs++; + *setup_frm++ = *setup_frm++ = *eaddrs++; + *setup_frm++ = *setup_frm++ = *eaddrs++; + } + /* Fill the unused entries with the broadcast address. */ + memset(setup_frm, 0xff, (15-i)*12); + setup_frm = &tp->setup_frame[15*6]; } + /* Fill the final entry with our physical address. */ eaddrs = (u16 *)dev->dev_addr; - do { - *setup_frm++ = eaddrs[0]; - *setup_frm++ = eaddrs[1]; - *setup_frm++ = eaddrs[2]; - } while (++i < 15); + *setup_frm++ = *setup_frm++ = eaddrs[0]; + *setup_frm++ = *setup_frm++ = eaddrs[1]; + *setup_frm++ = *setup_frm++ = eaddrs[2]; /* Now add this frame to the Tx list. */ if (tp->cur_tx - tp->dirty_tx > TX_RING_SIZE - 2) { /* Same setup recently queued, we need not add it. */ } else { unsigned long flags; unsigned int entry; - + save_flags(flags); cli(); entry = tp->cur_tx++ % TX_RING_SIZE; @@ -2735,29 +3195,29 @@ static void set_rx_mode(struct device *dev, int num_addrs, void *addrs) /* Avoid a chip errata by prefixing a dummy entry. */ tp->tx_skbuff[entry] = 0; tp->tx_ring[entry].length = - (entry == TX_RING_SIZE-1) ? 0x02000000 : 0; + (entry == TX_RING_SIZE-1) ? cpu_to_le32(DESC_RING_WRAP) : 0; tp->tx_ring[entry].buffer1 = 0; - tp->tx_ring[entry].status = 0x80000000; + tp->tx_ring[entry].status = cpu_to_le32(DescOwned); entry = tp->cur_tx++ % TX_RING_SIZE; } tp->tx_skbuff[entry] = 0; /* Put the setup frame on the Tx list. */ if (entry == TX_RING_SIZE-1) - tx_flags |= 0x02000000; /* Wrap ring. */ - tp->tx_ring[entry].length = tx_flags; - tp->tx_ring[entry].buffer1 = virt_to_bus(tp->setup_frame); - tp->tx_ring[entry].status = 0x80000000; + tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ + tp->tx_ring[entry].length = cpu_to_le32(tx_flags); + tp->tx_ring[entry].buffer1 = virt_to_le32desc(tp->setup_frame); + tp->tx_ring[entry].status = cpu_to_le32(DescOwned); if (tp->cur_tx - tp->dirty_tx >= TX_RING_SIZE - 2) { - dev->tbusy = 1; + set_bit(0, (void*)&dev->tbusy); tp->tx_full = 1; } restore_flags(flags); /* Trigger an immediate transmit demand. */ outl(0, ioaddr + CSR1); } - outl(csr6 | 0x0000, ioaddr + CSR6); } + outl(csr6 | 0x0000, ioaddr + CSR6); } #ifdef CARDBUS @@ -2766,18 +3226,18 @@ static void set_rx_mode(struct device *dev, int num_addrs, void *addrs) static dev_node_t *tulip_attach(dev_locator_t *loc) { + struct device *dev; u16 dev_id; u32 io; - u8 bus, devfn; - struct device *dev; + u8 bus, devfn, irq; if (loc->bus != LOC_PCI) return NULL; bus = loc->b.pci.bus; devfn = loc->b.pci.devfn; printk(KERN_INFO "tulip_attach(bus %d, function %d)\n", bus, devfn); pcibios_read_config_dword(bus, devfn, PCI_BASE_ADDRESS_0, &io); pcibios_read_config_word(bus, devfn, PCI_DEVICE_ID, &dev_id); - io &= ~3; - dev = tulip_probe1(bus, devfn, NULL, DC21142, -1); + pcibios_read_config_byte(bus, devfn, PCI_INTERRUPT_LINE, &irq); + dev = tulip_probe1(bus, devfn, NULL, io & ~3, irq, DC21142, 0); if (dev) { dev_node_t *node = kmalloc(sizeof(dev_node_t), GFP_KERNEL); strcpy(node->dev_name, dev->name); @@ -2789,6 +3249,45 @@ static dev_node_t *tulip_attach(dev_locator_t *loc) return NULL; } +static void tulip_suspend(dev_node_t *node) +{ + struct device **devp, **next; + printk(KERN_INFO "tulip_suspend(%s)\n", node->dev_name); + for (devp = &root_tulip_dev; *devp; devp = next) { + next = &((struct tulip_private *)(*devp)->priv)->next_module; + if (strcmp((*devp)->name, node->dev_name) == 0) break; + } + if (*devp) { + long ioaddr = (*devp)->base_addr; + struct tulip_private *tp = (struct tulip_private *)(*devp)->priv; + int csr6 = inl(ioaddr + CSR6); + /* Disable interrupts, stop the chip, gather stats. */ + if (csr6 != 0xffffffff) { + outl(0x00000000, ioaddr + CSR7); + outl(csr6 & ~0x2002, ioaddr + CSR6); + tp->stats.rx_missed_errors += inl(ioaddr + CSR8) & 0xffff; + } + tulip_close(*devp); + /* Put the 21143 into sleep mode. */ + pcibios_write_config_dword(tp->pci_bus,tp->pci_devfn, 0x40,0x80000000); + } +} + +static void tulip_resume(dev_node_t *node) +{ + struct device **devp, **next; + printk(KERN_INFO "tulip_resume(%s)\n", node->dev_name); + for (devp = &root_tulip_dev; *devp; devp = next) { + next = &((struct tulip_private *)(*devp)->priv)->next_module; + if (strcmp((*devp)->name, node->dev_name) == 0) break; + } + if (*devp) { + struct tulip_private *tp = (struct tulip_private *)(*devp)->priv; + pcibios_write_config_dword(tp->pci_bus, tp->pci_devfn, 0x40, 0x0000); + tulip_open(*devp); + } +} + static void tulip_detach(dev_node_t *node) { struct device **devp, **next; @@ -2807,34 +3306,17 @@ static void tulip_detach(dev_node_t *node) } struct driver_operations tulip_ops = { - "tulip_cb", tulip_attach, NULL, NULL, tulip_detach + "tulip_cb", tulip_attach, tulip_suspend, tulip_resume, tulip_detach }; #endif /* Cardbus support */ #ifdef MODULE -#if LINUX_VERSION_CODE > 0x20118 -MODULE_AUTHOR("Donald Becker <becker@cesdis.gsfc.nasa.gov>"); -MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver"); -MODULE_PARM(debug, "i"); -MODULE_PARM(max_interrupt_work, "i"); -MODULE_PARM(reverse_probe, "i"); -MODULE_PARM(rx_copybreak, "i"); -MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i"); -MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i"); -#endif - -/* An additional parameter that may be passed in... */ -static int debug = -1; - -int -init_module(void) +int init_module(void) { - if (debug >= 0) - tulip_debug = debug; - #ifdef CARDBUS + reverse_probe = 0; /* Not used. */ register_driver(&tulip_ops); return 0; #else @@ -2842,8 +3324,7 @@ init_module(void) #endif } -void -cleanup_module(void) +void cleanup_module(void) { struct device *next_dev; @@ -2853,9 +3334,11 @@ cleanup_module(void) /* No need to check MOD_IN_USE, as sys_delete_module() checks. */ while (root_tulip_dev) { - next_dev = ((struct tulip_private *)root_tulip_dev->priv)->next_module; + struct tulip_private *tp = (struct tulip_private *)root_tulip_dev->priv; + next_dev = tp->next_module; unregister_netdev(root_tulip_dev); - release_region(root_tulip_dev->base_addr, TULIP_TOTAL_SIZE); + release_region(root_tulip_dev->base_addr, + tulip_tbl[tp->chip_id].io_size); kfree(root_tulip_dev); root_tulip_dev = next_dev; } @@ -2865,8 +3348,9 @@ cleanup_module(void) /* * Local variables: - * SMP-compile-command: "gcc -D__SMP__ -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c tulip.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" - * compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c tulip.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" + * SMP-compile-command: "gcc -D__SMP__ -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c tulip.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" + * compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c tulip.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" + * cardbus-compile-command: "gcc -DCARDBUS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c tulip.c -o tulip_cb.o -I/usr/src/pcmcia-cs-3.0.9/include/" * c-indent-level: 4 * c-basic-offset: 4 * tab-width: 4 |