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Annotation of qemu/roms/ipxe/src/drivers/net/prism2_plx.c, revision 1.1

1.1     ! root        1: /**************************************************************************
        !             2: Etherboot -  BOOTP/TFTP Bootstrap Program
        !             3: Prism2 NIC driver for Etherboot
        !             4: Wrapper for prism2_plx
        !             5: 
        !             6: Written by Michael Brown of Fen Systems Ltd
        !             7: $Id$
        !             8: ***************************************************************************/
        !             9: 
        !            10: /*
        !            11:  * This program is free software; you can redistribute it and/or
        !            12:  * modify it under the terms of the GNU General Public License as
        !            13:  * published by the Free Software Foundation; either version 2, or (at
        !            14:  * your option) any later version.
        !            15:  */
        !            16: 
        !            17: FILE_LICENCE ( GPL2_OR_LATER );
        !            18: 
        !            19: #include <ipxe/pci.h>
        !            20: #include <nic.h>
        !            21: 
        !            22: #define WLAN_HOSTIF WLAN_PLX
        !            23: #include "prism2.c"
        !            24: 
        !            25: /*
        !            26:  * Find PLX card.  Prints out information strings from PCMCIA CIS as visual
        !            27:  * confirmation of presence of card.
        !            28:  *
        !            29:  * Arguments:
        !            30:  *     hw              device structure to be filled in
        !            31:  *      p               PCI device structure
        !            32:  *
        !            33:  * Returns:
        !            34:  *      1               Success
        !            35:  */
        !            36: static int prism2_find_plx ( hfa384x_t *hw, struct pci_device *p )
        !            37: {
        !            38:   int found = 0;
        !            39:   uint32_t plx_lcr  = 0; /* PLX9052 Local Configuration Register Base (I/O) */
        !            40:   uint32_t attr_mem = 0; /* Prism2 Attribute Memory Base */
        !            41:   uint32_t iobase   = 0; /* Prism2 I/O Base */
        !            42:   unsigned char *cis_tpl  = NULL;
        !            43:   unsigned char *cis_string;
        !            44:   
        !            45:   /* Obtain all memory and IO base addresses */
        !            46:   pci_read_config_dword( p, PLX_LOCAL_CONFIG_REGISTER_BASE, &plx_lcr);
        !            47:   plx_lcr &= PCI_BASE_ADDRESS_IO_MASK;
        !            48:   pci_read_config_dword( p, PRISM2_PLX_ATTR_MEM_BASE, &attr_mem);
        !            49:   pci_read_config_dword( p, PRISM2_PLX_IO_BASE, &iobase);
        !            50:   iobase &= PCI_BASE_ADDRESS_IO_MASK;
        !            51: 
        !            52:   /* Fill out hw structure */
        !            53:   hw->iobase = iobase;
        !            54:   printf ( "PLX9052 has local config registers at %#x\n", plx_lcr );
        !            55:   printf ( "Prism2 has attribute memory at %#x and I/O base at %#x\n", attr_mem, iobase );
        !            56: 
        !            57:   /* Search for CIS strings */
        !            58:   printf ( "Searching for PCMCIA card...\n" );
        !            59:   cis_tpl = bus_to_virt(attr_mem);
        !            60:   while ( *cis_tpl != CISTPL_END ) {
        !            61:     if ( *cis_tpl == CISTPL_VERS_1 ) {
        !            62:       /* CISTPL_VERS_1 contains some nice text strings */
        !            63:       printf ( "...found " );
        !            64:       found = 1;
        !            65:       cis_string = cis_tpl + CISTPL_VERS_1_STR_OFF;
        !            66:       while ( ! ( ( *cis_string == 0 ) && ( *(cis_string+CIS_STEP) == 0 ) ) ) {
        !            67:        printf ( "%c", *cis_string == 0 ? ' ' : *cis_string );
        !            68:        cis_string += CIS_STEP;
        !            69:       }
        !            70:       printf ( "\n" );
        !            71:     }
        !            72:     /* printf ( "CIS tuple type %#hhx, length %#hhx\n", *cis_tpl, *(cis_tpl+CISTPL_LEN_OFF) ); */
        !            73:     cis_tpl += CISTPL_HEADER_LEN + CIS_STEP * ( *(cis_tpl+CISTPL_LEN_OFF) );
        !            74:   }
        !            75:   if ( found == 0 ) {
        !            76:     printf ( "...nothing found\n" );
        !            77:   }
        !            78:   ((unsigned char *)bus_to_virt(attr_mem))[COR_OFFSET] = COR_VALUE; /* Write COR to enable PC card */
        !            79:   return found;
        !            80: }
        !            81: 
        !            82: static int prism2_plx_probe ( struct nic *nic, struct pci_device *pci ) {
        !            83:   hfa384x_t *hw = &hw_global;
        !            84:   
        !            85:   /* Find and intialise PLX Prism2 card */
        !            86:   if ( ! prism2_find_plx ( hw, pci ) ) return 0;
        !            87:   nic->ioaddr = hw->iobase;
        !            88:   nic->irqno  = 0;
        !            89:   return prism2_probe ( nic, hw );
        !            90: }
        !            91: 
        !            92: static void prism2_plx_disable ( struct nic *nic ) {
        !            93:   prism2_disable ( nic );
        !            94: }
        !            95: 
        !            96: static struct pci_device_id prism2_plx_nics[] = {
        !            97: PCI_ROM(0x1385, 0x4100, "ma301",         "Netgear MA301", 0),
        !            98: PCI_ROM(0x10b7, 0x7770, "3c-airconnect", "3Com AirConnect", 0),
        !            99: PCI_ROM(0x111a, 0x1023, "ss1023",        "Siemens SpeedStream SS1023", 0),
        !           100: PCI_ROM(0x15e8, 0x0130, "correga",       "Correga", 0),
        !           101: PCI_ROM(0x1638, 0x1100, "smc2602w",      "SMC EZConnect SMC2602W", 0), /* or Eumitcom PCI WL11000, Addtron AWA-100 */
        !           102: PCI_ROM(0x16ab, 0x1100, "gl24110p",      "Global Sun Tech GL24110P", 0),
        !           103: PCI_ROM(0x16ab, 0x1101, "16ab-1101",     "Unknown", 0),
        !           104: PCI_ROM(0x16ab, 0x1102, "wdt11",         "Linksys WDT11", 0),
        !           105: PCI_ROM(0x16ec, 0x3685, "usr2415",       "USR 2415", 0),
        !           106: PCI_ROM(0xec80, 0xec00, "f5d6000",       "Belkin F5D6000", 0),
        !           107: PCI_ROM(0x126c, 0x8030, "emobility",     "Nortel emobility", 0),
        !           108: };
        !           109: 
        !           110: PCI_DRIVER ( prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS );
        !           111: 
        !           112: 
        !           113: DRIVER ( "Prism2/PLX", nic_driver, pci_driver, prism2_plx_driver,
        !           114:         prism2_plx_probe, prism2_plx_disable );
        !           115: 
        !           116: /*
        !           117:  * Local variables:
        !           118:  *  c-basic-offset: 8
        !           119:  *  c-indent-level: 8
        !           120:  *  tab-width: 8
        !           121:  * End:
        !           122:  */

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