Fix vga-overlay so that it doesn't cause disasters when it does an immediate-flush...

[netwatch.git] / net / 3c90x.c

diff --git a/net/3c90x.c b/net/3c90x.c
index e7b95e950a0c2e39b3a081d1ad39b9775feb8257..b0e5d6fbfcaa875790ad15878caf8fdb438852fa 100644 (file)
--- a/net/3c90x.c
+++ b/net/3c90x.c
@@ -38,9 +38,11 @@
  */
 
 #include "etherboot-compat.h"
  */
 
 #include "etherboot-compat.h"

+#include "net.h"

 #include <timer.h>
 #include <io.h>
 #include <pci.h>
 #include <timer.h>
 #include <io.h>
 #include <pci.h>

+#include <pci-bother.h>

 #include <minilib.h>
 #include <output.h>
 
 #include <minilib.h>
 #include <output.h>
 


@@ -250,7 +252,11 @@ static struct
     RXD                        ReceiveUPD;
     }
     INF_3C90X;
     RXD                        ReceiveUPD;
     }
     INF_3C90X;

+static struct nic nic;

 
 

+#define _outl(v,a) outl((a),(v))
+#define _outw(v,a) outw((a),(v))
+#define _outb(v,a) outb((a),(v))

 
 /*** a3c90x_internal_IssueCommand: sends a command to the 3c90x card
  ***/
 
 /*** a3c90x_internal_IssueCommand: sends a command to the 3c90x card
  ***/


@@ -265,7 +271,7 @@ a3c90x_internal_IssueCommand(int ioaddr, int cmd, int param)
        val |= param;
 
        /** Send the cmd to the cmd register **/
        val |= param;
 
        /** Send the cmd to the cmd register **/

-       outw(val, ioaddr + regCommandIntStatus_w);
+       _outw(val, ioaddr + regCommandIntStatus_w);

 
        /** Wait for the cmd to complete, if necessary **/
        while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS);
 
        /** Wait for the cmd to complete, if necessary **/
        while (inw(ioaddr + regCommandIntStatus_w) & INT_CMDINPROGRESS);


@@ -295,30 +301,38 @@ a3c90x_internal_SetWindow(int ioaddr, int window)
  ***/
 static unsigned short
 a3c90x_internal_ReadEeprom(int ioaddr, int address)
  ***/
 static unsigned short
 a3c90x_internal_ReadEeprom(int ioaddr, int address)

-    {
-    unsigned short val;
+{
+       unsigned short val;

 
        /** Select correct window **/
         a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winEepromBios0);
 
        /** Make sure the eeprom isn't busy **/
 
        /** Select correct window **/
         a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winEepromBios0);
 
        /** Make sure the eeprom isn't busy **/

-       while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
+       do
+        {
+               int i;
+               for (i = 0; i < 165; i++)
+                       inb(0x80);      /* wait 165 usec */
+        }
+       while(0x8000 & inw(ioaddr + regEepromCommand_0_w));

 
        /** Read the value. **/
        if (INF_3C90X.is3c556)
 
        /** Read the value. **/
        if (INF_3C90X.is3c556)

-        {
-            outw(address + (0x230), ioaddr + regEepromCommand_0_w);
-        }
+               _outw(address + (0x230), ioaddr + regEepromCommand_0_w);

        else
        else

-        {
-            outw(address + ((0x02)<<6), ioaddr + regEepromCommand_0_w);
-        }
- 
-       while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
-       val = inw(ioaddr + regEepromData_0_w);
+               _outw(address + 0x80, ioaddr + regEepromCommand_0_w);

 
 

-    return val;
-    }
+       do
+       {
+               int i;
+               for (i = 0; i < 165; i++)
+                       inb(0x80);      /* wait 165 usec */
+       }
+       while(0x8000 & inw(ioaddr + regEepromCommand_0_w));
+       val = inw(ioaddr + regEepromData_0_w);
+       
+       return val;
+}

 
 
 #ifdef CFG_3C90X_BOOTROM_FIX
 
 
 #ifdef CFG_3C90X_BOOTROM_FIX


@@ -337,20 +351,20 @@ a3c90x_internal_WriteEepromWord(int ioaddr, int address, unsigned short value)
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Issue WriteEnable, and wait for completion. **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Issue WriteEnable, and wait for completion. **/

-       outw(0x30, ioaddr + regEepromCommand_0_w);
+       _outw(0x30, ioaddr + regEepromCommand_0_w);

        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Issue EraseRegister, and wait for completion. **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Issue EraseRegister, and wait for completion. **/

-       outw(address + ((0x03)<<6), ioaddr + regEepromCommand_0_w);
+       _outw(address + ((0x03)<<6), ioaddr + regEepromCommand_0_w);

        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Send the new data to the eeprom, and wait for completion. **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Send the new data to the eeprom, and wait for completion. **/

-       outw(value, ioaddr + regEepromData_0_w);
-       outw(0x30, ioaddr + regEepromCommand_0_w);
+       _outw(value, ioaddr + regEepromData_0_w);
+       _outw(0x30, ioaddr + regEepromCommand_0_w);

        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Burn the new data into the eeprom, and wait for completion. **/
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
        /** Burn the new data into the eeprom, and wait for completion. **/

-       outw(address + ((0x01)<<6), ioaddr + regEepromCommand_0_w);
+       _outw(address + ((0x01)<<6), ioaddr + regEepromCommand_0_w);

        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
     return 0;
        while((1<<15) & inw(ioaddr + regEepromCommand_0_w));
 
     return 0;


@@ -414,7 +428,7 @@ static void a3c90x_reset(void)
 #endif
 
     /** Send the reset command to the card **/
 #endif
 
     /** Send the reset command to the card **/

-    outputf("Issuing RESET:");
+    outputf("3c90x: issuing RESET");

     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdGlobalReset, 0);
 
     /** wait for reset command to complete **/
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdGlobalReset, 0);
 
     /** wait for reset command to complete **/


@@ -424,14 +438,14 @@ static void a3c90x_reset(void)
      ** require explicit reset of values
      **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
      ** require explicit reset of values
      **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);

-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);

 
 #ifdef CFG_3C90X_PRESERVE_XCVR
     /** Re-set the original InternalConfig value from before reset **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);
 
 #ifdef CFG_3C90X_PRESERVE_XCVR
     /** Re-set the original InternalConfig value from before reset **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winTxRxOptions3);

-    outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
+    _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);

 
     /** enable DC converter for 10-Base-T **/
     if ((cfg&0x0300) == 0x0300)
 
     /** enable DC converter for 10-Base-T **/
     if ((cfg&0x0300) == 0x0300)


@@ -445,7 +459,7 @@ static void a3c90x_reset(void)
     while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
        ;
     if (! INF_3C90X.isBrev)
     while (inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_CMDINPROGRESS)
        ;
     if (! INF_3C90X.isBrev)

-       outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
+       _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);

     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
 
     /**
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
 
     /**


@@ -528,7 +542,7 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
        INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
 
        /** Send the packet **/
        INF_3C90X.TransmitDPD.DataLength = size + (1<<31);
 
        /** Send the packet **/

-       outl(virt_to_bus(&(INF_3C90X.TransmitDPD)),
+       _outl(virt_to_bus(&(INF_3C90X.TransmitDPD)),

             INF_3C90X.IOAddr + regDnListPtr_l);
 
        /** End Stall and Wait for upload to complete. **/
             INF_3C90X.IOAddr + regDnListPtr_l);
 
        /** End Stall and Wait for upload to complete. **/


@@ -551,7 +565,7 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
        status = inb(INF_3C90X.IOAddr + regTxStatus_b);
 
        /** acknowledge transmit interrupt by writing status **/
        status = inb(INF_3C90X.IOAddr + regTxStatus_b);
 
        /** acknowledge transmit interrupt by writing status **/

-       outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
+       _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);

 
        /** successful completion (sans "interrupt Requested" bit) **/
        if ((status & 0xbf) == 0x80)
 
        /** successful completion (sans "interrupt Requested" bit) **/
        if ((status & 0xbf) == 0x80)


@@ -568,7 +582,7 @@ a3c90x_transmit(const char *dest_addr, unsigned int proto,
            {
            outputf("3C90X: Tx Status Overflow (%hhX)", status);
            for (i=0; i<32; i++)
            {
            outputf("3C90X: Tx Status Overflow (%hhX)", status);
            for (i=0; i<32; i++)

-               outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);
+               _outb(0x00, INF_3C90X.IOAddr + regTxStatus_b);

            /** must re-enable after max collisions before re-issuing tx **/
            a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
            }
            /** must re-enable after max collisions before re-issuing tx **/
            a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
            }


@@ -632,7 +646,7 @@ a3c90x_poll(struct nic *nic, int retrieve)
     INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31);
 
     /** Submit the upload descriptor to the NIC **/
     INF_3C90X.ReceiveUPD.DataLength = 1536 + (1<<31);
 
     /** Submit the upload descriptor to the NIC **/

-    outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)),
+    _outl(virt_to_bus(&(INF_3C90X.ReceiveUPD)),

          INF_3C90X.IOAddr + regUpListPtr_l);
 
     /** Wait for upload completion (upComplete(15) or upError (14)) **/
          INF_3C90X.IOAddr + regUpListPtr_l);
 
     /** Wait for upload completion (upComplete(15) or upError (14)) **/


@@ -678,8 +692,8 @@ void a3c90x_disable(struct dev *dev)
        /* reset and disable merge */
        a3c90x_reset();
        /* Disable the receiver and transmitter. */
        /* reset and disable merge */
        a3c90x_reset();
        /* Disable the receiver and transmitter. */

-       outw(cmdRxDisable, INF_3C90X.IOAddr + regCommandIntStatus_w);
-       outw(cmdTxDisable, INF_3C90X.IOAddr + regCommandIntStatus_w);
+       _outw(cmdRxDisable, INF_3C90X.IOAddr + regCommandIntStatus_w);
+       _outw(cmdTxDisable, INF_3C90X.IOAddr + regCommandIntStatus_w);

 }
 
 
 }
 
 


@@ -689,11 +703,10 @@ void a3c90x_disable(struct dev *dev)
  ***/
 static int a3c90x_probe(struct pci_dev * pci, void * data)
 {
  ***/
 static int a3c90x_probe(struct pci_dev * pci, void * data)
 {

-    struct nic *nic = (struct nic *)data;

     INF_3C90X.is3c556 = (pci->did == 0x6055);
  
     int i, c;
     INF_3C90X.is3c556 = (pci->did == 0x6055);
  
     int i, c;

-    unsigned short eeprom[0x21];
+    unsigned short eeprom[0x100];

     unsigned int cfg;
     unsigned int mopt;
     unsigned int mstat;
     unsigned int cfg;
     unsigned int mopt;
     unsigned int mstat;


@@ -709,14 +722,21 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     }
 
     if (ioaddr == 0)
     }
 
     if (ioaddr == 0)

-          return 0;
-/*
-    adjust_pci_dev(pci);
-*/
-    nic->ioaddr = ioaddr & ~3;
-    nic->irqno = 0;
-
-    INF_3C90X.IOAddr = ioaddr & ~3;
+    {
+        outputf("3c90x: Unable to find I/O address");
+        return 0;
+    }
+    
+    /* Power it on */
+    pci_write16(pci->bus, pci->dev, pci->fn, 0xE0,
+       pci_read16(pci->bus, pci->dev, pci->fn, 0xE0) & ~0x3);
+    
+    outputf("3c90x: Picked I/O address %04x", ioaddr);
+    pci_bother_add(pci);
+    nic.ioaddr = ioaddr & ~3;
+    nic.irqno = 0;
+
+    INF_3C90X.IOAddr = ioaddr;

     INF_3C90X.CurrentWindow = 255;
     switch (a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, 0x03))
        {
     INF_3C90X.CurrentWindow = 255;
     switch (a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, 0x03))
        {


@@ -742,7 +762,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     /** Load the EEPROM contents **/
     if (INF_3C90X.isBrev)
        {
     /** Load the EEPROM contents **/
     if (INF_3C90X.isBrev)
        {

-       for(i=0;i<=0x20;i++)
+       for(i=0;i<=/*0x20*/0x7F;i++)

            {
            eeprom[i] = a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, i);
            }
            {
            eeprom[i] = a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, i);
            }


@@ -771,7 +791,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
        }
     else
        {
        }
     else
        {

-       for(i=0;i<=0x17;i++)
+       for(i=0;i<=/*0x17*/0x7F;i++)

            {
            eeprom[i] = a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, i);
            }
            {
            eeprom[i] = a3c90x_internal_ReadEeprom(INF_3C90X.IOAddr, i);
            }


@@ -785,6 +805,14 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
           "effects.  See 3c90x.txt for info.");
        }
 #endif
           "effects.  See 3c90x.txt for info.");
        }
 #endif

+    {
+    unsigned int tmp;
+    for (tmp = 0; tmp < 0x10; tmp+= 4)
+       outputf("EEPROM adr %02x, data %04x %04x %04x %04x",
+               tmp, eeprom[tmp], eeprom[tmp+1], eeprom[tmp+2], eeprom[tmp+3]);
+    }
+    
+    /* Some type A... */

 
     /** Retrieve the Hardware address and print it on the screen. **/
     INF_3C90X.HWAddr[0] = eeprom[HWADDR_OFFSET + 0]>>8;
 
     /** Retrieve the Hardware address and print it on the screen. **/
     INF_3C90X.HWAddr[0] = eeprom[HWADDR_OFFSET + 0]>>8;


@@ -793,7 +821,13 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     INF_3C90X.HWAddr[3] = eeprom[HWADDR_OFFSET + 1]&0xFF;
     INF_3C90X.HWAddr[4] = eeprom[HWADDR_OFFSET + 2]>>8;
     INF_3C90X.HWAddr[5] = eeprom[HWADDR_OFFSET + 2]&0xFF;
     INF_3C90X.HWAddr[3] = eeprom[HWADDR_OFFSET + 1]&0xFF;
     INF_3C90X.HWAddr[4] = eeprom[HWADDR_OFFSET + 2]>>8;
     INF_3C90X.HWAddr[5] = eeprom[HWADDR_OFFSET + 2]&0xFF;

-    outputf("MAC Address = %!", INF_3C90X.HWAddr);
+    outputf("MAC Address = %02x:%02x:%02x:%02x:%02x:%02x",
+       INF_3C90X.HWAddr[0],
+       INF_3C90X.HWAddr[1],
+       INF_3C90X.HWAddr[2],
+       INF_3C90X.HWAddr[3],
+       INF_3C90X.HWAddr[4],
+       INF_3C90X.HWAddr[5]);

 
     /** 3C556: Invert MII power **/
     if (INF_3C90X.is3c556) {
 
     /** 3C556: Invert MII power **/
     if (INF_3C90X.is3c556) {


@@ -801,7 +835,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
        a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
        tmp = inw(INF_3C90X.IOAddr + regResetOptions_2_w);
        tmp |= 0x4000;
        a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
        tmp = inw(INF_3C90X.IOAddr + regResetOptions_2_w);
        tmp |= 0x4000;

-       outw(tmp, INF_3C90X.IOAddr + regResetOptions_2_w);
+       _outw(tmp, INF_3C90X.IOAddr + regResetOptions_2_w);

     }
 
     /* Test if the link is good, if not continue */
     }
 
     /* Test if the link is good, if not continue */


@@ -814,17 +848,17 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
 
     /** Program the MAC address into the station address registers **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);
 
     /** Program the MAC address into the station address registers **/
     a3c90x_internal_SetWindow(INF_3C90X.IOAddr, winAddressing2);

-    outw(htons(eeprom[HWADDR_OFFSET + 0]), INF_3C90X.IOAddr + regStationAddress_2_3w);
-    outw(htons(eeprom[HWADDR_OFFSET + 1]), INF_3C90X.IOAddr + regStationAddress_2_3w+2);
-    outw(htons(eeprom[HWADDR_OFFSET + 2]), INF_3C90X.IOAddr + regStationAddress_2_3w+4);
-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
-    outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);
+    _outw(htons(eeprom[HWADDR_OFFSET + 0]), INF_3C90X.IOAddr + regStationAddress_2_3w);
+    _outw(htons(eeprom[HWADDR_OFFSET + 1]), INF_3C90X.IOAddr + regStationAddress_2_3w+2);
+    _outw(htons(eeprom[HWADDR_OFFSET + 2]), INF_3C90X.IOAddr + regStationAddress_2_3w+4);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+0);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+2);
+    _outw(0, INF_3C90X.IOAddr + regStationMask_2_3w+4);

 
     /** Fill in our entry in the etherboot arp table **/
 /* XXX ? for lwip? 
     for(i=0;i<ETH_ALEN;i++)
 
     /** Fill in our entry in the etherboot arp table **/
 /* XXX ? for lwip? 
     for(i=0;i<ETH_ALEN;i++)

-       nic->node_addr[i] = (eeprom[HWADDR_OFFSET + i/2] >> (8*((i&1)^1))) & 0xff;
+       nic.node_addr[i] = (eeprom[HWADDR_OFFSET + i/2] >> (8*((i&1)^1))) & 0xff;

 */
 
     /** Read the media options register, print a message and set default
 */
 
     /** Read the media options register, print a message and set default


@@ -926,7 +960,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
     cfg &= ~(0xF<<20);
     cfg |= (linktype<<20);
     cfg = inl(INF_3C90X.IOAddr + regInternalConfig_3_l);
     cfg &= ~(0xF<<20);
     cfg |= (linktype<<20);

-    outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);
+    _outl(cfg, INF_3C90X.IOAddr + regInternalConfig_3_l);

 
     /** Now that we set the xcvr type, reset the Tx and Rx, re-enable. **/
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0x00);
 
     /** Now that we set the xcvr type, reset the Tx and Rx, re-enable. **/
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxReset, 0x00);


@@ -934,7 +968,7 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
        ;
 
     if (!INF_3C90X.isBrev)
        ;
 
     if (!INF_3C90X.isBrev)

-       outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);
+       _outb(0x01, INF_3C90X.IOAddr + regTxFreeThresh_b);

 
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
 
 
     a3c90x_internal_IssueCommand(INF_3C90X.IOAddr, cmdTxEnable, 0);
 


@@ -964,8 +998,9 @@ static int a3c90x_probe(struct pci_dev * pci, void * data)
                                  cmdAcknowledgeInterrupt, 0x661);
 
     /* * Set our exported functions **/
                                  cmdAcknowledgeInterrupt, 0x661);
 
     /* * Set our exported functions **/

-    nic->poll     = a3c90x_poll;
-    nic->transmit = a3c90x_transmit;
+    nic.poll     = a3c90x_poll;
+    nic.transmit = a3c90x_transmit;
+    eth_register(&nic);

 
     return 1;
 }
 
     return 1;
 }