iPXE
prism2_plx.c
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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 of the
14  * License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful, but
17  * WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24  * 02110-1301, USA.
25  */
26 
27 FILE_LICENCE ( GPL2_OR_LATER );
28 
29 #include <ipxe/pci.h>
30 #include <nic.h>
31 
32 #define WLAN_HOSTIF WLAN_PLX
33 #include "prism2.c"
34 
35 /*
36  * Find PLX card. Prints out information strings from PCMCIA CIS as visual
37  * confirmation of presence of card.
38  *
39  * Arguments:
40  * hw device structure to be filled in
41  * p PCI device structure
42  *
43  * Returns:
44  * 1 Success
45  */
46 static int prism2_find_plx ( hfa384x_t *hw, struct pci_device *p )
47 {
48  int found = 0;
49  uint32_t plx_lcr = 0; /* PLX9052 Local Configuration Register Base (I/O) */
50  uint32_t attr_mem = 0; /* Prism2 Attribute Memory Base */
51  uint32_t iobase = 0; /* Prism2 I/O Base */
52  unsigned char *cis_tpl = NULL;
53  unsigned char *cis_string;
54 
55  /* Obtain all memory and IO base addresses */
57  plx_lcr &= ~PCI_BASE_ADDRESS_IO_MASK;
60  iobase &= ~PCI_BASE_ADDRESS_IO_MASK;
61 
62  /* Fill out hw structure */
63  hw->iobase = iobase;
64  printf ( "PLX9052 has local config registers at %#x\n", plx_lcr );
65  printf ( "Prism2 has attribute memory at %#x and I/O base at %#x\n", attr_mem, iobase );
66 
67  /* Search for CIS strings */
68  printf ( "Searching for PCMCIA card...\n" );
69  cis_tpl = bus_to_virt(attr_mem);
70  while ( *cis_tpl != CISTPL_END ) {
71  if ( *cis_tpl == CISTPL_VERS_1 ) {
72  /* CISTPL_VERS_1 contains some nice text strings */
73  printf ( "...found " );
74  found = 1;
75  cis_string = cis_tpl + CISTPL_VERS_1_STR_OFF;
76  while ( ! ( ( *cis_string == 0 ) && ( *(cis_string+CIS_STEP) == 0 ) ) ) {
77  printf ( "%c", *cis_string == 0 ? ' ' : *cis_string );
78  cis_string += CIS_STEP;
79  }
80  printf ( "\n" );
81  }
82  /* printf ( "CIS tuple type %#hhx, length %#hhx\n", *cis_tpl, *(cis_tpl+CISTPL_LEN_OFF) ); */
83  cis_tpl += CISTPL_HEADER_LEN + CIS_STEP * ( *(cis_tpl+CISTPL_LEN_OFF) );
84  }
85  if ( found == 0 ) {
86  printf ( "...nothing found\n" );
87  }
88  ((unsigned char *)bus_to_virt(attr_mem))[COR_OFFSET] = COR_VALUE; /* Write COR to enable PC card */
89  return found;
90 }
91 
92 static int prism2_plx_probe ( struct nic *nic, struct pci_device *pci ) {
94 
95  /* Find and intialise PLX Prism2 card */
96  if ( ! prism2_find_plx ( hw, pci ) ) return 0;
97  nic->ioaddr = hw->iobase;
98  nic->irqno = 0;
99  return prism2_probe ( nic, hw );
100 }
101 
102 static void prism2_plx_disable ( struct nic *nic ) {
103  prism2_disable ( nic );
104 }
105 
106 static struct pci_device_id prism2_plx_nics[] = {
107 PCI_ROM(0x1385, 0x4100, "ma301", "Netgear MA301", 0),
108 PCI_ROM(0x10b7, 0x7770, "3c-airconnect", "3Com AirConnect", 0),
109 PCI_ROM(0x111a, 0x1023, "ss1023", "Siemens SpeedStream SS1023", 0),
110 PCI_ROM(0x15e8, 0x0130, "correga", "Correga", 0),
111 PCI_ROM(0x1638, 0x1100, "smc2602w", "SMC EZConnect SMC2602W", 0), /* or Eumitcom PCI WL11000, Addtron AWA-100 */
112 PCI_ROM(0x16ab, 0x1100, "gl24110p", "Global Sun Tech GL24110P", 0),
113 PCI_ROM(0x16ab, 0x1101, "16ab-1101", "Unknown", 0),
114 PCI_ROM(0x16ab, 0x1102, "wdt11", "Linksys WDT11", 0),
115 PCI_ROM(0x16ec, 0x3685, "usr2415", "USR 2415", 0),
116 PCI_ROM(0xec80, 0xec00, "f5d6000", "Belkin F5D6000", 0),
117 PCI_ROM(0x126c, 0x8030, "emobility", "Nortel emobility", 0),
118 };
119 
120 PCI_DRIVER ( prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS );
121 
122 
123 DRIVER ( "Prism2/PLX", nic_driver, pci_driver, prism2_plx_driver,
125 
126 /*
127  * Local variables:
128  * c-basic-offset: 8
129  * c-indent-level: 8
130  * tab-width: 8
131  * End:
132  */
unsigned char irqno
Definition: nic.h:56
PCI_DRIVER(prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS)
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:464
A PCI driver.
Definition: pci.h:224
#define CISTPL_HEADER_LEN
Definition: prism2.c:112
#define COR_VALUE
Definition: prism2.c:122
#define PRISM2_PLX_ATTR_MEM_BASE
Definition: prism2.c:98
#define COR_OFFSET
Definition: prism2.c:121
Definition: hw.c:16
static __always_inline void * bus_to_virt(unsigned long bus_addr)
Convert bus address to a virtual address.
Definition: io.h:195
#define PCI_BASE_ADDRESS_IO_MASK
I/O BAR mask.
Definition: pci.h:68
#define CIS_STEP
Definition: prism2.c:111
FILE_LICENCE(GPL2_OR_LATER)
unsigned int ioaddr
Definition: nic.h:55
#define CISTPL_VERS_1_STR_OFF
Definition: prism2.c:114
int pci_read_config_dword(struct pci_device *pci, unsigned int where, uint32_t *value)
Read 32-bit dword from PCI configuration space.
static hfa384x_t hw_global
Definition: prism2.c:143
static void prism2_disable(struct nic *nic __unused)
Definition: prism2.c:736
static int prism2_find_plx(hfa384x_t *hw, struct pci_device *p)
Definition: prism2_plx.c:46
static void prism2_plx_disable(struct nic *nic)
Definition: prism2_plx.c:102
PCI bus.
A PCI device.
Definition: pci.h:187
DRIVER("Prism2/PLX", nic_driver, pci_driver, prism2_plx_driver, prism2_plx_probe, prism2_plx_disable)
#define CISTPL_END
Definition: prism2.c:109
#define CISTPL_VERS_1
Definition: prism2.c:108
#define CISTPL_LEN_OFF
Definition: prism2.c:113
A PCI device ID list entry.
Definition: pci.h:151
Definition: nic.h:49
unsigned int uint32_t
Definition: stdint.h:12
static int prism2_probe(struct nic *nic, hfa384x_t *hw)
Definition: prism2.c:769
static int prism2_plx_probe(struct nic *nic, struct pci_device *pci)
Definition: prism2_plx.c:92
#define PRISM2_PLX_IO_BASE
Definition: prism2.c:99
static struct pci_device_id prism2_plx_nics[]
Definition: prism2_plx.c:106
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362
#define PCI_ROM(_vendor, _device, _name, _description, _data)
Definition: pci.h:283
#define PLX_LOCAL_CONFIG_REGISTER_BASE
Definition: prism2.c:92