Improve probe routine for CONTEC C-NET(98) card. I/O port and memory
window addresses don't need to be set as default values. Submitted by: Yoshimasa Ohnishi <ohnishi@isc.kyutech.ac.jp>
This commit is contained in:
kato
parent
f831af1d64
commit
15127256af
@ -24,7 +24,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: if_ed.c,v 1.14 1996/12/11 16:55:27 kato Exp $
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* $Id: if_ed.c,v 1.15 1996/12/15 09:14:46 kato Exp $
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*/
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/*
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@ -2030,146 +2030,218 @@ ed_probe_CNET98(isa_dev)
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{
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struct ed_softc *sc = &ed_softc[isa_dev->id_unit];
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u_int i;
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u_char sum;
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int i;
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u_long j;
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u_char cmd,sum;
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u_char tmp,tmp_s,tmp_e;
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/*
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* Setup card RAM area and i/o addresses
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* Kernel Virtual to segment C0000-DFFFF?????
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*/
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sc->vendor = ED_VENDOR_MISC; /* vendor name */
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sc->type_str = "CNET98"; /* board name */
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sc->isa16bit = 0; /* 16bit mode off = 0 */
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sc->cr_proto = ED_CR_RD2; /* */
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sc->asic_addr = isa_dev->id_iobase; /* 0xa3d0,0xb3d0,0xc3d0 */
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sc->nic_addr = isa_dev->id_iobase; /* 0xd3d0,0xe3d0,0xf3d0 */
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sc->is790 = 0; /* special chip */
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sc->isa16bit = 0; /* 16bit mode off = 0 */
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sc->cr_proto = ED_CR_RD2;
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sc->vendor = ED_VENDOR_MISC; /* vendor name */
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sc->asic_addr = isa_dev->id_iobase;
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sc->nic_addr = sc->asic_addr; /* 0xa3d0 */
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sc->is790 = 0; /* special chip */
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sc->mem_start = (caddr_t)isa_dev->id_maddr;
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sc->mem_end = sc->mem_start + isa_dev->id_msize;
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sc->mem_ring = sc->mem_start + (ED_PAGE_SIZE * ED_TXBUF_SIZE);
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sc->mem_size = isa_dev->id_msize; /* 16kbyte */
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sc->mem_shared = 1; /* sharedmemory on=1,off=0 */
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sc->txb_cnt = 1; /* tx buffer counter 1 */
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sc->tx_page_start = 0; /* page offset 0 */
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sc->rec_page_start = ED_TXBUF_SIZE; /* page offset 6 */
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sc->mem_size = isa_dev->id_msize;
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sc->mem_shared = 1; /* shared memory on */
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sc->txb_cnt = 1; /* tx buffer counter 1 */
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sc->tx_page_start = 0; /* page offset 0 */
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sc->rec_page_start = ED_TXBUF_SIZE; /* page offset 6 */
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sc->rec_page_stop = isa_dev->id_msize / ED_PAGE_SIZE;
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/* page offset 40 */
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if (sc->asic_addr == 0xa3d0) {
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/*
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* reset card to force it into a known state.
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*/
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outb(ED_CNET98_INIT_ADDR, 0x00); /* Request */
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DELAY(5000);
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outb(ED_CNET98_INIT_ADDR, 0x01); /* Cancel */
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DELAY(5000);
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/*
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* set i/o address and cpu type
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*/
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sc->asic_addr = (0xf000 & sc->asic_addr) >> 8;
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sc->asic_addr = sc->asic_addr & 0xf0;
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sc->asic_addr = sc->asic_addr | 0x09;
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/* debug printf(" Board status %x \n",sc->asic_addr); */
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outb((ED_CNET98_INIT_ADDR + 2), sc->asic_addr);
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DELAY(1000);
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sc->asic_addr = sc->nic_addr;
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/*
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* set window ethernet address area
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* board memory base 0x480000 data 256byte
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* window base 0xc40000
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*
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* FreeBSD address 0xf00c4000
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*/
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outb((sc->asic_addr + ED_CNET98_MAP_REG0L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG0H),0x48);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1H),0x41);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2H),0x42);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3H),0x43);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_WIN_REG),0xc4);
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DELAY(10);
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/*
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* CNET98 checksum code
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*
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* for (sum = 0, i = 0; i < ETHER_ADDR_LEN; ++i)
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* sum ^= *((caddr_t)(isa_dev -> id_maddr + i));
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* printf(" checkusum = %x \n",sum);
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*/
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/*
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* Get station address from on-board ROM
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*/
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for (i = 0; i < ETHER_ADDR_LEN; ++i)
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sc->arpcom.ac_enaddr[i] = *((caddr_t)(isa_dev -> id_maddr + i));
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outb((sc->asic_addr + ED_CNET98_WIN_REG),0x44);
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DELAY(10);
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/*
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* set window buffer memory area
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* board memory base 0x400000 data 16kbyte
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* window base 0xc40000
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*
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* FreeBSD address 0xf00c4000
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*/
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outb((sc->asic_addr + ED_CNET98_MAP_REG0L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG0H),0x40);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1H),0x41);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2H),0x42);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3H),0x43);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_WIN_REG),0xc4);
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DELAY(10);
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/*
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* clear interface memory, then sum to make sure its valid
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*/
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for (i = 0; i < sc->mem_size; ++i)
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sc->mem_start[i] = 0x0;
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for (sum = 0, i = 0; i < sc->mem_size; ++i)
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sum |= sc->mem_start[i];
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if (sum != 0x0) {
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printf("ed%d: CNET98 dual port RAM address error\n",
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isa_dev->id_unit);
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return (0);
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}
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/*
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* interrupt set
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* irq 12 set
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*/
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/* int 5 set */
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outb((sc->asic_addr + ED_CNET98_INT_MASK),0x7e);
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DELAY(1000);
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outb((sc->asic_addr + ED_CNET98_INT_LEV),0x20);
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DELAY(1000);
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return (32); /* 0xa3d0 -- 0xa3df , 0xa7d0 -- 0xa7df */
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} else {
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return(0); /* error no board */
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/* page offset 40 */
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/*
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* Check i/o address.
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* 0xa3d0, 0xb3d0, 0xc3d0, 0xd3d0, 0xe3d0, 0xf3d0
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*/
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if ( ((sc->asic_addr & (u_short) 0x0fff) != 0x03d0) &&
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((sc->asic_addr & (u_short) 0xf000) >= 0xa000) ){
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printf("ed%d: Invalid i/o port configuration (0x%x) must be "
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"0x?3d0 for CNET98\n",
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isa_dev->id_unit, sc->asic_addr);
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return (0);
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}
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/*
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* Check window area address.
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*/
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tmp_s = kvtop(sc->mem_start) >> 12;
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if ( tmp_s < 0x80 ) {
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printf("ed%d: Please change window address(0x%x) \n",
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isa_dev->id_unit,sc->mem_start);
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return (0);
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}
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tmp = sc->asic_addr >> 12;
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tmp_s = (tmp_s & (u_char) 0x0f);
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tmp_e = tmp_s + 4;
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if ( (tmp_s <= tmp) && (tmp < tmp_e ) ){
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printf("ed%d: Please change iobase address(0x%x) or window address(0x%x) \n",
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isa_dev->id_unit,isa_dev->id_iobase,kvtop(sc->mem_start));
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return (0);
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}
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/*
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* Reset card to force it into a known state.
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*/
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outb(ED_CNET98_INIT_ADDR, 0x00); /* Request */
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DELAY(5000);
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outb(ED_CNET98_INIT_ADDR, 0x01); /* Cancel */
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DELAY(5000);
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/*
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* Set i/o address and cpu type
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*
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* AAAAIXXC(8bit)
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* AAAA: A15-A12, I: I/O enable, XX: reserved, C: CPU type
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*/
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tmp = (sc->asic_addr & (u_short) 0xf000) >> 8;
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tmp |= (0x08 | 0x01);
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#ifdef ED_DEBUG
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printf("ed%d: Board status %x \n",isa_dev->id_unit, tmp);
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#endif
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outb((ED_CNET98_INIT_ADDR + 2), tmp);
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DELAY(1000);
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/*
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* Set window ethernet address area
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* board memory base 0x480000 data 256byte
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* FreeBSD address 0xf00xxxxx
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*/
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outb((sc->asic_addr + ED_CNET98_MAP_REG0L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG0H),0x48);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1H),0x41);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2H),0x42);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3H),0x43);
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DELAY(10);
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/*
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* Enable window memory(16Kbyte)
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* bit7:0 disable , 1 enable
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*/
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cmd = (kvtop(sc->mem_start) >> 12);
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#ifdef ED_DEBUG
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printf("ed%d: Set window start address %x \n",isa_dev->id_unit,cmd);
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#endif
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outb((sc->asic_addr + ED_CNET98_WIN_REG),cmd);
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DELAY(10);
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/*
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* CNET98 checksum code
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*
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* for (sum = 0, i = 0; i < ETHER_ADDR_LEN; ++i)
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* sum ^= *((caddr_t)(isa_dev -> id_maddr + i));
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* printf(" checkusum = %x \n",sum);
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*/
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/*
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* Get station address from on-board ROM
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*/
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for (i = 0; i < ETHER_ADDR_LEN; ++i)
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sc->arpcom.ac_enaddr[i] = *((caddr_t)(isa_dev -> id_maddr + i));
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/*
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* Disable window memory
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* bit7:1 enable , 0 disable
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*/
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cmd = cmd & 0x7f;
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outb((sc->asic_addr + ED_CNET98_WIN_REG),cmd);
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DELAY(10);
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/*
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* Set window buffer memory area
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* board memory base 0x400000 data 16kbyte
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* FreeBSD address 0xf00xxxxx
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*/
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outb((sc->asic_addr + ED_CNET98_MAP_REG0L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG0H),0x40);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG1H),0x41);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG2H),0x42);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3L),0x00);
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DELAY(10);
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outb((sc->asic_addr + ED_CNET98_MAP_REG3H),0x43);
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DELAY(10);
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/*
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* Enable window memory
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* bit7:1 enable , 0 disable
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*/
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cmd = cmd | 0x80;
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outb((sc->asic_addr + ED_CNET98_WIN_REG),cmd);
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DELAY(10);
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/*
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* Clear interface memory, then sum to make sure its valid
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*/
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for (j = 0; j < sc->mem_size; ++j)
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sc->mem_start[j] = 0x0;
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for (sum = 0, j = 0; j < sc->mem_size; ++j)
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sum |= sc->mem_start[j];
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if (sum != 0x0) {
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printf("ed%d: CNET98 dual port RAM address error\n",
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isa_dev->id_unit);
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return (0);
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}
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/*
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* Set interrupt level
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*/
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switch (isa_dev->id_irq) {
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case IRQ12:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ12);
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break;
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case IRQ3:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ3);
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break;
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case IRQ5:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ5);
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break;
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case IRQ6:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ6);
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break;
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case IRQ9:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ9);
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break;
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case IRQ13:
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ13);
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break;
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default:
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printf("ed%d: Change Interrupt level default value from %d to %d.\n",
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isa_dev->id_irq,IRQ5);
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isa_dev->id_irq = IRQ5;
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outb((sc->asic_addr + ED_CNET98_INT_LEV),ED_CNET98_INT_IRQ5);
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break;
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}
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DELAY(1000);
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/*
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* Set interrupt mask.
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* bit7:1 all interrupt mask
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* bit1:1 timer interrupt mask
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* bit0:0 NS controler interrupt enable
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*/
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outb((sc->asic_addr + ED_CNET98_INT_MASK),0x7e);
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DELAY(1000);
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return (ED_CNET98_IO_PORTS);
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}
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@ -279,7 +279,9 @@ static void pc98_set_register __P((struct isa_device *dev, int type));
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* C-NET(98)
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*/
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#define ED_CNET98_INIT_ADDR 0xaaed /* 0xaaed reset register */
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/* 0xaaef i/o address set */
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/* 0xaaef i/o address set */
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#define ED_CNET98_IO_PORTS 32
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/* offset NIC address */
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#define ED_CNET98_MAP_REG0L 1 /* MAPPING register0 Low */
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#define ED_CNET98_MAP_REG1L 3 /* MAPPING register1 Low */
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@ -298,6 +300,12 @@ static void pc98_set_register __P((struct isa_device *dev, int type));
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#define ED_CNET98_RESERVE1 (0x400 + 11)
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#define ED_CNET98_RESERVE2 (0x400 + 13)
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#define ED_CNET98_RESERVE3 (0x400 + 15)
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#define ED_CNET98_INT_IRQ3 0x01 /* INT 0 */
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#define ED_CNET98_INT_IRQ5 0x02 /* INT 1 */
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#define ED_CNET98_INT_IRQ6 0x04 /* INT 2 */
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#define ED_CNET98_INT_IRQ9 0x08 /* INT 3 */
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#define ED_CNET98_INT_IRQ12 0x20 /* INT 5 */
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#define ED_CNET98_INT_IRQ13 0x40 /* INT 6 */
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/*
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