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