netboot/config.c

/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2000  Free Software Foundation, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* Based on "src/config.c" in etherboot-4.4.2. Some parts are stolen
   from "include/linux/pci.h" in linux-2.2.14.  */

#include	"etherboot.h"
#include	"nic.h"

#include	"netboot_config.h"

struct pci_device;			/* for the probe prototype */

#undef	INCLUDE_PCI
#if	defined(INCLUDE_NEPCI) || defined(INCLUDE_EEPRO100) || defined(INCLUDE_LANCEPCI) || defined(INCLUDE_EPIC100) || defined(INCLUDE_TULIP) || defined(INCLUDE_NTULIP) || defined(INCLUDE_3C90X) || defined(INCLUDE_RTL8139) || defined(INCLUDE_VIA_RHINE) || defined(INCLUDE_3C59X)
	/* || others later */
#if	defined(ETHERBOOT32)		/* only for 32 bit machines */
#define	INCLUDE_PCI
/*#include	<linux/pci.h>*/
#include	"pci.h"
static unsigned short	pci_ioaddrs[16];

static struct pci_device	pci_nic_list[] = {
#ifdef	INCLUDE_NEPCI
	{ PCI_VENDOR_ID_REALTEK,	PCI_DEVICE_ID_REALTEK_8029,
		"Realtek 8029", 0, 0, 0},
	{ PCI_VENDOR_ID_WINBOND2,	PCI_DEVICE_ID_WINBOND2_89C940,
		"Winbond NE2000-PCI", 0, 0, 0},
	{ PCI_VENDOR_ID_COMPEX,		PCI_DEVICE_ID_COMPEX_RL2000,
		"Compex ReadyLink 2000", 0, 0, 0},
	{ PCI_VENDOR_ID_KTI,		PCI_DEVICE_ID_KTI_ET32P2,
		"KTI ET32P2", 0, 0, 0},
	{ PCI_VENDOR_ID_NETVIN,		PCI_DEVICE_ID_NETVIN_NV5000SC,
		"NetVin NV5000SC", 0, 0, 0},
#endif
#ifdef	INCLUDE_3C90X
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C900TPO,
		"3Com900-TPO", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C900COMBO,
		"3Com900-Combo", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C905TX,
		"3Com905-TX", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C905T4,
		"3Com905-T4", 0, 0, 0},

	{ PCI_VENDOR_ID_3COM,		0x9004,
		"3Com900B-TPO", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		0x9005,
		"3Com900B-Combo", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		0x9006,
		"3Com900B-2/T", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		0x900A,
		"3Com900B-FL", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C905B_TX,
		"3Com905B-TX", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		0x9056,
		"3Com905B-T4", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		0x905A,
		"3Com905B-FL", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,		PCI_DEVICE_ID_3COM_3C905C_TXM,
		"3Com905C-TXM", 0, 0, 0},

#endif
#ifdef	INCLUDE_EEPRO100
	{ PCI_VENDOR_ID_INTEL,		PCI_DEVICE_ID_INTEL_82557,
		"Intel EtherExpressPro100", 0, 0, 0},
#endif
#ifdef	INCLUDE_EPIC100
	{ PCI_VENDOR_ID_SMC,		PCI_DEVICE_ID_SMC_EPIC100,
		"SMC EtherPowerII", 0, 0, 0},
#endif
#ifdef	INCLUDE_LANCEPCI
	{ PCI_VENDOR_ID_AMD,		PCI_DEVICE_ID_AMD_LANCE,
		"AMD Lance/PCI", 0, 0, 0},
#endif
#ifdef INCLUDE_RTL8139
	{ PCI_VENDOR_ID_REALTEK,	PCI_DEVICE_ID_REALTEK_8139,
		"Realtek 8139", 0, 0, 0},
        { PCI_VENDOR_ID_SMC_1211,       PCI_DEVICE_ID_SMC_1211,
                "SMC EZ10/100", 0, 0, 0},
#endif
#ifdef	INCLUDE_TULIP
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP,
		"Digital Tulip", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP_FAST,
		"Digital Tulip Fast", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP_PLUS,
		"Digital Tulip+", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_21142,
		"Digital Tulip 21142", 0, 0, 0},
#endif
#ifdef	INCLUDE_NTULIP
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP,
		"Digital Tulip", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP_FAST,
		"Digital Tulip Fast", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_TULIP_PLUS,
		"Digital Tulip+", 0, 0, 0},
	{ PCI_VENDOR_ID_DEC,		PCI_DEVICE_ID_DEC_21142,
		"Digital Tulip 21142", 0, 0, 0},
	{ PCI_VENDOR_ID_MACRONIX,	PCI_DEVICE_ID_MX987x5,
		"Macronix MX987x5", 0, 0, 0},
	{ PCI_VENDOR_ID_LINKSYS,	PCI_DEVICE_ID_LC82C115,
		"LinkSys LNE100TX", 0, 0, 0},
	{ PCI_VENDOR_ID_LINKSYS,	PCI_DEVICE_ID_DEC_TULIP,
		"Netgear FA310TX", 0, 0, 0},
#endif
#ifdef INCLUDE_VIA_RHINE
	{ PCI_VENDOR_ID_VIATEC,	PCI_DEVICE_ID_VIA_RHINE_I,
		"VIA 3043", 0, 0, 0},
	{ PCI_VENDOR_ID_VIATEC,	PCI_DEVICE_ID_VIA_86C100A,
		"VIA 86C100A", 0, 0, 0},
#endif
#ifdef INCLUDE_3C59X
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C590,
	  "3c590 Vortex 10Mbps", 0, 0, 0},
        { PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C595TX,
	  "3c595 Vortex 100baseTX", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C595T4,
	  "3c595 Vortex 100baseT4", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVIVE_ID_3COM_3C595MII,
	  "3c595 Vortex 100base-MII", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C900TPO,
	  "3c900 Boomerang 10baseT", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C900COMBO,
	  "3c900 Boomerang 10Mbps/Combo", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C905TX,
	  "3c905 Boomerang 100baseTx", 0, 0, 0},
	{ PCI_VENDOR_ID_3COM,	PCI_DEVICE_ID_3COM_3C905T4,
	  "3c905 Boomerang 100baseT4", 0, 0, 0},
#endif
/* other PCI NICs go here */
	{0,}
};
#endif	/* ETHERBOOT32 */
#endif	/* INCLUDE_*PCI */

struct dispatch_table
{
	char		*nic_name;
	struct nic	*(*eth_probe)(struct nic *, unsigned short *,
		struct pci_device *);
	unsigned short	*probe_ioaddrs;		/* for probe overrides */
};

#ifdef	INCLUDE_WD
extern struct nic	*wd_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_3C503
extern struct nic	*t503_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef INCLUDE_VIA_RHINE
extern struct nic	*rhine_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NE
extern struct nic	*ne_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NEPCI
extern struct nic	*nepci_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_3C509
extern struct nic	*t509_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_3C529
extern struct nic	*t529_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_3C90X
extern struct nic	*a3c90x_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_EEPRO100
extern struct nic	*eepro100_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_EPIC100
extern struct nic	*epic100_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_TULIP
extern struct nic	*tulip_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NTULIP
extern struct nic	*ntulip_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_CS89x0
extern struct nic	*cs89x0_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_LANCEPCI
extern struct nic	*lancepci_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NE2100
extern struct nic	*ne2100_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NI6510
extern struct nic	*ni6510_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_SK_G16
extern struct nic	*SK_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_3C507
extern struct nic	*t507_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_NI5210
extern struct nic	*ni5210_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_EXOS205
extern struct nic	*exos205_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_SMC9000
extern struct nic	*smc9000_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef	INCLUDE_TIARA
extern struct nic	*tiara_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef INCLUDE_RTL8139
extern struct nic	*rtl8139_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif

#ifdef INCLUDE_3C59X
extern struct nic	*VX_probe(struct nic *, unsigned short *,
	struct pci_device *);
#endif
/*
 *	NIC probing is in order of appearance in this table.
 *	If for some reason you want to change the order,
 *	just rearrange the entries (bracketed by the #ifdef/#endif)
 */
static struct dispatch_table	NIC[] =
{
#ifdef	INCLUDE_RTL8139
	{ "RTL8139", rtl8139_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_WD
	{ "WD", wd_probe, 0 },
#endif
#ifdef	INCLUDE_3C503
	{ "3C503", t503_probe, 0 },
#endif
#ifdef	INCLUDE_NE
	{ "NE*000", ne_probe, 0 },
#endif
#ifdef	INCLUDE_3C509
	{ "3C5x9", t509_probe, 0 },
#endif
#ifdef	INCLUDE_3C529
	{ "3C5x9", t529_probe, 0 },
#endif
#ifdef	INCLUDE_3C90X
	{ "3C90X", a3c90x_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_EEPRO100
	{ "EEPRO100", eepro100_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_EPIC100
	{ "EPIC100", epic100_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_TULIP
	{ "Tulip", tulip_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_NTULIP
	{ "NTulip", ntulip_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_CS89x0
	{ "CS89x0", cs89x0_probe, 0 },
#endif
#ifdef	INCLUDE_NE2100
	{ "NE2100", ne2100_probe, 0 },
#endif
#ifdef	INCLUDE_NI6510
	{ "NI6510", ni6510_probe, 0 },
#endif
#ifdef	INCLUDE_SK_G16
	{ "SK_G16", SK_probe, 0 },
#endif
#ifdef	INCLUDE_3C507
	{ "3C507", t507_probe, 0 },
#endif
#ifdef	INCLUDE_NI5210
	{ "NI5210", ni5210_probe, 0 },
#endif
#ifdef	INCLUDE_EXOS205
	{ "EXOS205", exos205_probe, 0 },
#endif
#ifdef	INCLUDE_SMC9000
	{ "SMC9000", smc9000_probe, 0 },
#endif
#ifdef	INCLUDE_TIARA
	{ "TIARA", tiara_probe, 0 },
#endif
#ifdef	INCLUDE_NEPCI
	{ "NE2000/PCI", nepci_probe, pci_ioaddrs },
#endif
#ifdef	INCLUDE_LANCEPCI
	{ "LANCE/PCI", lancepci_probe, pci_ioaddrs },
#endif
#ifdef INCLUDE_VIA_RHINE
	{ "VIA 86C100", rhine_probe, pci_ioaddrs },
#endif
#ifdef INCLUDE_3C59X
	{ "VorTex/PCI", VX_probe, pci_ioaddrs },
#endif
	/* this entry must always be last to mark the end of list */
	{ 0, 0, 0 }
};

#define	NIC_TABLE_SIZE	(sizeof(NIC)/sizeof(NIC[0]))

static int eth_dummy(struct nic *nic)
{
	return (0);
}

char	packet[ETH_MAX_PACKET];

struct nic	nic =
{
#ifdef	ETHERBOOT32
	(void (*)(struct nic *))eth_dummy,	/* reset */
	eth_dummy,				/* poll */
	(void (*)(struct nic *, char *,
		unsigned int, unsigned int,
		char *))eth_dummy,		/* transmit */
	(void (*)(struct nic *))eth_dummy,	/* disable */
#endif
/* bcc has problems with complicated casts */
#ifdef	ETHERBOOT16
	eth_dummy,
	eth_dummy,
	eth_dummy,
	eth_dummy,
#endif
#ifdef	T503_AUI
	1,			/* aui */
#else
	0,			/* no aui */
#endif
	arptable[ARP_CLIENT].node,	/* node_addr */
	packet,			/* packet */
	0,			/* packetlen */
	0			/* priv_data */
};

#if 0
void print_config(void)
{
	struct dispatch_table	*t;

#ifdef	ETHERBOOT32
	printf("Etherboot/32 version " VERSION " (GPL) for ");
#endif
#ifdef	ETHERBOOT16
	/* Must be all on line or bcc can't handle concatenation */
	printf("Etherboot/16 version " VERSION " (GPL) for ");
#endif
	for (t = NIC; t->nic_name != 0; ++t)
		printf("[%s]", t->nic_name);
	putchar('\n');
}
#endif

void eth_reset(void)
{
	(*nic.reset)(&nic);
}

int eth_probe(void)
{
	struct pci_device	*p;
	struct dispatch_table	*t;
	static int probed = 0;

	/* If already probed, don't try to probe it any longer.  */
	if (probed)
	  return 1;

	/* Clear the ready flag.  */
	network_ready = 0;
	/* Clear the ARP table.  */
	grub_memset ((char *) arptable, 0,
		     MAX_ARP * sizeof (struct arptable_t));
	
	p = 0;
#ifdef	INCLUDE_PCI
	/* In GRUB, the ROM info is initialized here.  */
	rom = *((struct rom_info *) ROM_INFO_LOCATION);
	
	eth_pci_init(pci_nic_list);
	pci_ioaddrs[0] = 0;
	pci_ioaddrs[1] = 0;
	/* at this point we have a list of possible PCI candidates
	   we just pick the first one with a non-zero ioaddr */
	for (p = pci_nic_list; p->vendor != 0; ++p) {
		if (p->ioaddr != 0) {
			pci_ioaddrs[0] = p->ioaddr;
			break;
		}
	}
#endif
	printf("Probing...");
	for (t = NIC; t->nic_name != 0; ++t)
	{
		printf("[%s]", t->nic_name);
		if ((*t->eth_probe)(&nic, t->probe_ioaddrs, p))
		  {
		    probed = 1;
		    return (1);
		  }
	}
	return (0);
}

int eth_poll(void)
{
	return ((*nic.poll)(&nic));
}

void eth_transmit(char *d, unsigned int t, unsigned int s, char *p)
{
	(*nic.transmit)(&nic, d, t, s, p);
	twiddle();
}

void eth_disable(void)
{
	(*nic.disable)(&nic);
}