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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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