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Refactor parts of the 3COM NIC code

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Move the reusable PCI specific parts into pcidev.c, they'll be usable
for other NIC code (Realtek, VIA, ...) and also for SATA/IDE controller
cards as external programmers (for every PCI device which can program
EEPROMs basically).

Also add print_supported_pcidevs() to show the supported PCI devices
(currently only NICs, soon more) in the 'flashrom -L' output.

Corresponding to flashrom svn r515.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Uwe Hermann
2009-05-15 17:02:34 +00:00
parent 1e637844d5
commit 515ab3de05
5 changed files with 151 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
nic3com.c
View File

@ -31,108 +31,32 @@
#define INT_STATUS 0x0e
#define SELECT_REG_WINDOW 0x800
#define PCI_IO_BASE_ADDRESS 0x10
#define PCI_VENDOR_ID_3COM 0x10b7
uint32_t io_base_addr;
struct pci_access *pacc;
struct pci_filter filter;
#define OK 0
#define NT 1 /* Not tested */
static struct nic_status {
uint16_t device_id;
int status;
const char *device_name;
} nics[] = {
struct pcidev_status nics_3com[] = {
/* 3C90xB */
{0x9055, NT, "3C90xB: PCI 10/100 Mbps; shared 10BASE-T/100BASE-TX"},
{0x9001, NT, "3C90xB: PCI 10/100 Mbps; shared 10BASE-T/100BASE-T4" },
{0x9004, NT, "3C90xB: PCI 10BASE-T (TPO)" },
{0x9005, NT, "3C90xB: PCI 10BASE-T/10BASE2/AUI (COMBO)" },
{0x9006, NT, "3C90xB: PCI 10BASE-T/10BASE2 (TPC)" },
{0x900a, NT, "3C90xB: PCI 10BASE-FL" },
{0x905a, NT, "3C90xB: PCI 10BASE-FX" },
{0x10b7, 0x9055, PCI_NT, "3COM", "3C90xB: PCI 10/100 Mbps; shared 10BASE-T/100BASE-TX"},
{0x10b7, 0x9001, PCI_NT, "3COM", "3C90xB: PCI 10/100 Mbps; shared 10BASE-T/100BASE-T4" },
{0x10b7, 0x9004, PCI_NT, "3COM", "3C90xB: PCI 10BASE-T (TPO)" },
{0x10b7, 0x9005, PCI_NT, "3COM", "3C90xB: PCI 10BASE-T/10BASE2/AUI (COMBO)" },
{0x10b7, 0x9006, PCI_NT, "3COM", "3C90xB: PCI 10BASE-T/10BASE2 (TPC)" },
{0x10b7, 0x900a, PCI_NT, "3COM", "3C90xB: PCI 10BASE-FL" },
{0x10b7, 0x905a, PCI_NT, "3COM", "3C90xB: PCI 10BASE-FX" },
/* 3C905C */
{0x9200, OK, "3C905C: EtherLink 10/100 PCI (TX)" },
{0x10b7, 0x9200, PCI_OK, "3COM", "3C905C: EtherLink 10/100 PCI (TX)" },
/* 3C980C */
{0x9805, NT, "3C980C: EtherLink Server 10/100 PCI (TX)" },
{0x10b7, 0x9805, PCI_NT, "3COM", "3C980C: EtherLink Server 10/100 PCI (TX)" },
{},
};
uint32_t nic3com_validate(struct pci_dev *dev)
{
int i;
uint32_t addr;
for (i = 0; nics[i].device_name != NULL; i++) {
if (dev->device_id != nics[i].device_id)
continue;
addr = (uint32_t)(dev->base_addr[0] & ~0x03);
printf("Found NIC \"3COM %s\" (%04x:%04x, BDF %02x:%02x.%x)\n",
nics[i].device_name, dev->vendor_id,
dev->device_id, dev->bus, dev->dev, dev->func);
if (nics[i].status == NT) {
printf("===\nThis NIC is UNTESTED. Please email a "
"report including the 'flashrom -p nic3com'\n"
"output to flashrom@coreboot.org if it works "
"for you. Thank you for your help!\n===\n");
}
return addr;
}
return 0;
}
int nic3com_init(void)
{
struct pci_dev *dev;
char *msg = NULL;
int found = 0;
get_io_perms();
pacc = pci_alloc(); /* Get the pci_access structure */
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
pci_filter_init(pacc, &filter);
/* Filter by vendor and also bb:dd.f (if supplied by the user). */
filter.vendor = PCI_VENDOR_ID_3COM;
if (nic_pcidev != NULL) {
if ((msg = pci_filter_parse_slot(&filter, nic_pcidev))) {
fprintf(stderr, "Error: %s\n", msg);
exit(1);
}
}
for (dev = pacc->devices; dev; dev = dev->next) {
if (pci_filter_match(&filter, dev)) {
if ((io_base_addr = nic3com_validate(dev)) != 0)
found++;
}
}
/* Only continue if exactly one supported NIC has been found. */
if (found == 0) {
fprintf(stderr, "Error: No supported 3COM NIC found.\n");
exit(1);
} else if (found > 1) {
fprintf(stderr, "Error: Multiple supported NICs found. "
"Please use 'flashrom -p nic3com=bb:dd.f' \n"
"to explicitly select the card with the given BDF "
"(PCI bus, device, function).\n");
exit(1);
}
io_base_addr = pcidev_init(PCI_VENDOR_ID_3COM, nics_3com);
/*
* The lowest 16 bytes of the I/O mapped register space of (most) 3COM
@ -146,7 +70,7 @@ int nic3com_init(void)
int nic3com_shutdown(void)
{
free(nic_pcidev);
free(pcidev_bdf);
pci_cleanup(pacc);
#if defined(__FreeBSD__) || defined(__DragonFly__)
close(io_fd);