/*===========================================================================*
* root_pci *
*===========================================================================*/
static void root_pci(void)
{
/* Print information about PCI devices present in the system.
*/
u16_t vid, did;
u8_t bcr, scr, pifr;
char *slot_name, *dev_name;
int r, devind;
static int first = TRUE;
/* This should be taken care of behind the scenes by the PCI lib. */
if (first) {
pci_init();
first = FALSE;
}
/* Iterate over all devices, printing info for each of them. */
r = pci_first_dev(&devind, &vid, &did);
while (r == 1) {
slot_name = pci_slot_name(devind);
dev_name = pci_dev_name(vid, did);
bcr = pci_attr_r8(devind, PCI_BCR);
scr = pci_attr_r8(devind, PCI_SCR);
pifr = pci_attr_r8(devind, PCI_PIFR);
buf_printf("%s %x/%x/%x %04X:%04X %s\n",
slot_name ? slot_name : "-",
bcr, scr, pifr, vid, did,
dev_name ? dev_name : "");
r = pci_next_dev(&devind, &vid, &did);
}
}
static int de_probe(dpeth_t *dep, int skip)
{
int i, r, devind;
u16_t vid, did, temp16;
DEBUG(printf("PROBING..."));
r= pci_first_dev(&devind, &vid, &did);
if (r == 0)
return FALSE;
while (skip--)
{
r= pci_next_dev(&devind, &vid, &did);
if (!r)
return FALSE;
}
pci_reserve(devind);
dep->de_base_port = pci_attr_r32(devind, PCI_BAR) & 0xffffffe0;
dep->de_irq = pci_attr_r8(devind, PCI_ILR);
if (dep->de_base_port < DE_MIN_BASE_ADDR)
panic("de_probe: base address invalid: %d", dep->de_base_port);
DEBUG(printf("%s: using I/O address 0x%lx, IRQ %d\n",
dep->de_name, (unsigned long)dep->de_base_port,
dep->de_irq));
dep->de_type = pci_attr_r8(devind, PCI_REV);
/* device validation. We support only the DEC21140A */
if(dep->de_type != DEC_21140A){
dep->de_type = DE_TYPE_UNKNOWN;
printf("%s: unsupported device\n", str_DevName);
return FALSE;
}
de_reset(dep);
DEBUG(printf("Reading SROM...\n"));
for(i=0;i<(1<<SROM_BITWIDTH)-1;i++){
temp16 = de_read_rom(dep, i, SROM_BITWIDTH);
dep->srom[i*2] = temp16 & 0xFF;
dep->srom[i*2+1] = temp16 >> 8;
}
/* TODO: validate SROM content */
/* acquire MAC addr */
DEBUG(printf("Using MAC addr= "));
for(i=0;i<6;i++){
dep->de_address.ea_addr[i] = dep->srom[i+DE_SROM_EA_OFFSET];
DEBUG(printf("%02X%c",dep->de_address.ea_addr[i],i!=5?'-':'\n'));
}
DEBUG(printf("probe success\n"));
return TRUE;
}
static int
init_device(int devind, struct virtio_device *dev)
{
u32_t base, size;
int iof, r;
pci_reserve(devind);
if ((r = pci_get_bar(devind, PCI_BAR, &base, &size, &iof)) != OK) {
printf("%s: Could not get BAR (%d)", dev->name, r);
return r;
}
if (!iof) {
printf("%s: PCI not IO space?", dev->name);
return EINVAL;
}
if (base & 0xFFFF0000) {
printf("%s: IO port weird (%08x)", dev->name, base);
return EINVAL;
}
/* store the I/O port */
dev->port = base;
/* Reset the device */
virtio_write8(dev, VIRTIO_DEV_STATUS_OFF, 0);
/* Read IRQ line */
dev->irq = pci_attr_r8(devind, PCI_ILR);
return OK;
}
/*===========================================================================*
* vbox_init *
*===========================================================================*/
static int vbox_init(int UNUSED(type), sef_init_info_t *UNUSED(info))
{
/* Initialize the device. */
int devind;
u16_t vid, did;
struct VMMDevReportGuestInfo *req;
int r;
interval = DEFAULT_INTERVAL;
drift = DEFAULT_DRIFT;
if (env_argc > 1)
optset_parse(optset_table, env_argv[1]);
pci_init();
r = pci_first_dev(&devind, &vid, &did);
for (;;) {
if (r != 1)
panic("backdoor device not found");
if (vid == VMMDEV_PCI_VID && did == VMMDEV_PCI_DID)
break;
r = pci_next_dev(&devind, &vid, &did);
}
pci_reserve(devind);
port = pci_attr_r32(devind, PCI_BAR) & PCI_BAR_IO_MASK;
irq = pci_attr_r8(devind, PCI_ILR);
hook_id = 0;
if ((r = sys_irqsetpolicy(irq, 0 /* IRQ_REENABLE */, &hook_id)) != OK)
panic("unable to register IRQ: %d", r);
if ((r = sys_irqenable(&hook_id)) != OK)
panic("unable to enable IRQ: %d", r);
if ((vir_ptr = alloc_contig(VMMDEV_BUF_SIZE, 0, &phys_ptr)) == NULL)
panic("unable to allocate memory");
req = (struct VMMDevReportGuestInfo *) vir_ptr;
req->add_version = VMMDEV_GUEST_VERSION;
req->os_type = VMMDEV_GUEST_OS_OTHER;
if ((r = vbox_request(&req->header, phys_ptr,
VMMDEV_REQ_REPORTGUESTINFO, sizeof(*req))) !=
VMMDEV_ERR_OK)
panic("backdoor device not functioning");
ticks = sys_hz() * interval;
sys_setalarm(ticks, 0);
return OK;
}
static int detect_hw(void) {
u32_t device;
int devind;
u16_t v_id, d_id;
/* detect_hw tries to find device and get IRQ and base address
with a little (much) help from the PCI library.
This code is quite device independent and you can copy it.
(just make sure to get the bugs out first)*/
pci_init();
/* get first device and then search through the list */
device = pci_first_dev(&devind, &v_id, &d_id);
while( device > 0 ) {
/* if we have a match...break */
if (v_id == VENDOR_ID && d_id == DEVICE_ID) break;
device = pci_next_dev(&devind, &v_id, &d_id);
}
/* did we find anything? */
if (v_id != VENDOR_ID || d_id != DEVICE_ID) {
return EIO;
}
pci_reserve(devind);
dev.name = pci_dev_name(v_id, d_id);
/* get base address of our device, ignore least signif. bit
this last bit thing could be device dependent, i don't know */
dev.base = pci_attr_r32(devind, PCI_BAR) & 0xfffffffe;
/* get IRQ */
dev.irq = pci_attr_r8(devind, PCI_ILR);
dev.revision = pci_attr_r8(devind, PCI_REV);
dev.d_id = d_id;
dev.v_id = v_id;
dev.devind = devind; /* pci device identifier */
return OK;
}
int ddekit_pci_readb (int bus, int slot, int func, int pos, ddekit_uint8_t *val) {
struct ddekit_pci_dev * dev = ddekit_get_dev_helper(bus, slot, func);
if (func!=0) {
*val=0;
return 0;
}
if (dev) {
*val = pci_attr_r8 (dev->devind, pos);
DDEBUG_MSG_VERBOSE("bus: %d, slot: %d, func: %d, pos: %x %x",
bus, slot, func, pos, *val);
return 0;
}
return -1;
}
/*===========================================================================*
* atl2_init *
*===========================================================================*/
static void atl2_init(int devind)
{
/* Initialize the device.
*/
u32_t bar;
int r, flag;
/* Initialize global state. */
state.devind = devind;
state.mode = DL_NOMODE;
state.flags = 0;
state.recv_count = 0;
memset(&state.stat, 0, sizeof(state.stat));
if ((r = pci_get_bar(devind, PCI_BAR, &bar, &state.size, &flag)) != OK)
panic("unable to retrieve bar: %d", r);
if (state.size < ATL2_MIN_MMAP_SIZE || flag)
panic("invalid register bar");
state.base = vm_map_phys(SELF, (void *) bar, state.size);
if (state.base == MAP_FAILED)
panic("unable to map in registers");
if ((r = atl2_alloc_dma()) != OK)
panic("unable to allocate DMA buffers: %d", r);
state.irq = pci_attr_r8(devind, PCI_ILR);
if ((r = sys_irqsetpolicy(state.irq, 0, &state.hook_id)) != OK)
panic("unable to register IRQ: %d", r);
if (!atl2_reset())
panic("unable to reset hardware");
if ((r = sys_irqenable(&state.hook_id)) != OK)
panic("unable to enable IRQ: %d", r);
atl2_get_hwaddr();
atl2_setup();
}
/*===========================================================================*
* e1000_probe *
*===========================================================================*/
PRIVATE int e1000_probe(e1000_t *e, int skip)
{
int i, r, devind;
u16_t vid, did;
u32_t status[2];
u32_t gfpreg, sector_base_addr;
char *dname;
E1000_DEBUG(3, ("%s: probe()\n", e->name));
/*
* Attempt to iterate the PCI bus. Start at the beginning.
*/
if ((r = pci_first_dev(&devind, &vid, &did)) == 0)
{
return FALSE;
}
/* Loop devices on the PCI bus. */
for(;;)
{
for (i = 0; pcitab_e1000[i] != 0; i++)
{
if (vid != 0x8086)
continue;
if (did != pcitab_e1000[i])
continue;
else
break;
}
if (pcitab_e1000[i] != 0)
{
if (!skip)
break;
skip--;
}
if (!(r = pci_next_dev(&devind, &vid, &did)))
{
return FALSE;
}
}
/*
* Successfully detected an Intel Pro/1000 on the PCI bus.
*/
e->status |= E1000_DETECTED;
e->eeprom_read = eeprom_eerd;
/*
* Set card specific properties.
*/
switch (did)
{
case E1000_DEV_ID_ICH10_R_BM_LF:
e->eeprom_read = eeprom_ich;
break;
case E1000_DEV_ID_82574L:
case E1000_DEV_ID_82541GI_LF:
e->eeprom_done_bit = (1 << 1);
e->eeprom_addr_off = 2;
break;
default:
e->eeprom_done_bit = (1 << 4);
e->eeprom_addr_off = 8;
break;
}
/* Inform the user about the new card. */
if (!(dname = pci_dev_name(vid, did)))
{
dname = "Intel Pro/1000 Gigabit Ethernet Card";
}
E1000_DEBUG(1, ("%s: %s (%04x/%04x/%02x) at %s\n",
e->name, dname, vid, did, e->revision,
pci_slot_name(devind)));
/* Reserve PCI resources found. */
if ((r = pci_reserve_ok(devind)) != OK)
{
panic("failed to reserve PCI device: %d", r);
}
/* Read PCI configuration. */
e->irq = pci_attr_r8(devind, PCI_ILR);
e->regs = vm_map_phys(SELF, (void *) pci_attr_r32(devind, PCI_BAR),
0x20000);
/* Verify mapped registers. */
if (e->regs == (u8_t *) -1) {
panic("failed to map hardware registers from PCI");
}
/* Optionally map flash memory. */
if (did != E1000_DEV_ID_82540EM &&
did != E1000_DEV_ID_82540EP &&
pci_attr_r32(devind, PCI_BAR_2))
{
if((e->flash = vm_map_phys(SELF,
(void *) pci_attr_r32(devind, PCI_BAR_2), 0x10000)) == MAP_FAILED) {
if((e->flash = vm_map_phys(SELF,
(void *) pci_attr_r32(devind, PCI_BAR_2), 0x1000))
== MAP_FAILED) {
panic("e1000: couldn't map in flash.");
}
}
gfpreg = E1000_READ_FLASH_REG(e, ICH_FLASH_GFPREG);
/*
* sector_base_addr is a "sector"-aligned address (4096 bytes)
*/
sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
/* flash_base_addr is byte-aligned */
e->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
}
/*
* Output debug information.
*/
status[0] = e1000_reg_read(e, E1000_REG_STATUS);
E1000_DEBUG(3, ("%s: MEM at %p, IRQ %d\n",
e->name, e->regs, e->irq));
E1000_DEBUG(3, ("%s: link %s, %s duplex\n",
e->name, status[0] & 3 ? "up" : "down",
status[0] & 1 ? "full" : "half"));
return TRUE;
}
/*
* Find a matching device. Return TRUE on success.
*/
static int
e1000_probe(e1000_t * e, int skip)
{
int r, devind, ioflag;
u16_t vid, did, cr;
u32_t status;
u32_t base, size;
char *dname;
E1000_DEBUG(3, ("%s: probe()\n", e->name));
/* Initialize communication to the PCI driver. */
pci_init();
/* Attempt to iterate the PCI bus. Start at the beginning. */
if ((r = pci_first_dev(&devind, &vid, &did)) == 0)
return FALSE;
/* Loop devices on the PCI bus. */
while (skip--) {
E1000_DEBUG(3, ("%s: probe() devind %d vid 0x%x did 0x%x\n",
e->name, devind, vid, did));
if (!(r = pci_next_dev(&devind, &vid, &did)))
return FALSE;
}
/* We found a matching card. Set card-specific properties. */
e->eeprom_read = eeprom_eerd;
switch (did) {
case E1000_DEV_ID_ICH10_D_BM_LM:
case E1000_DEV_ID_ICH10_R_BM_LF:
e->eeprom_read = eeprom_ich;
break;
case E1000_DEV_ID_82540EM:
case E1000_DEV_ID_82545EM:
case E1000_DEV_ID_82540EP_LP:
e->eeprom_done_bit = (1 << 4);
e->eeprom_addr_off = 8;
break;
default:
e->eeprom_done_bit = (1 << 1);
e->eeprom_addr_off = 2;
break;
}
/* Inform the user about the new card. */
if (!(dname = pci_dev_name(vid, did)))
dname = "Intel Pro/1000 Gigabit Ethernet Card";
E1000_DEBUG(1, ("%s: %s (%04x/%04x) at %s\n",
e->name, dname, vid, did, pci_slot_name(devind)));
/* Reserve PCI resources found. */
pci_reserve(devind);
/* Read PCI configuration. */
e->irq = pci_attr_r8(devind, PCI_ILR);
if ((r = pci_get_bar(devind, PCI_BAR, &base, &size, &ioflag)) != OK)
panic("failed to get PCI BAR: %d", r);
if (ioflag)
panic("PCI BAR is not for memory");
if ((e->regs = vm_map_phys(SELF, (void *)base, size)) == MAP_FAILED)
panic("failed to map hardware registers from PCI");
/* Enable DMA bus mastering if necessary. */
cr = pci_attr_r16(devind, PCI_CR);
if (!(cr & PCI_CR_MAST_EN))
pci_attr_w16(devind, PCI_CR, cr | PCI_CR_MAST_EN);
/* Optionally map flash memory. */
e1000_map_flash(e, devind, did);
/* Output debug information. */
status = e1000_reg_read(e, E1000_REG_STATUS);
E1000_DEBUG(3, ("%s: MEM at %p, IRQ %d\n", e->name, e->regs, e->irq));
E1000_DEBUG(3, ("%s: link %s, %s duplex\n", e->name,
status & 3 ? "up" : "down", status & 1 ? "full" : "half"));
return TRUE;
}
/*===========================================================================*
* do_int *
*===========================================================================*/
static void do_int(struct port *pp)
{
int devind, vcc_5v, vcc_3v, vcc_Xv, vcc_Yv,
socket_5v, socket_3v, socket_Xv, socket_Yv;
spin_t spin;
u32_t csr_event, csr_present, csr_control;
u8_t v8;
u16_t v16;
#if USE_INTS
int r;
#endif
devind= pp->p_devind;
v8= pci_attr_r8(devind, TI_CARD_CTRL);
if (v8 & TI_CCR_IFG)
{
printf("ti1225: got functional interrupt\n");
pci_attr_w8(devind, TI_CARD_CTRL, v8);
}
if (debug)
{
printf("Socket event: 0x%x\n", pp->csr_ptr->csr_event);
printf("Socket mask: 0x%x\n", pp->csr_ptr->csr_mask);
}
csr_present= pp->csr_ptr->csr_present;
csr_control= pp->csr_ptr->csr_control;
if ((csr_present & (CP_CDETECT1|CP_CDETECT2)) != 0)
{
if (debug)
printf("do_int: no card present\n");
return;
}
if (csr_present & CP_BADVCCREQ)
{
printf("do_int: Bad Vcc request\n");
/* return; */
}
if (csr_present & CP_DATALOST)
{
/* Do we care? */
if (debug)
printf("do_int: Data lost\n");
/* return; */
}
if (csr_present & CP_NOTACARD)
{
printf("do_int: Not a card\n");
return;
}
if (debug)
{
if (csr_present & CP_CBCARD)
printf("do_int: Cardbus card detected\n");
if (csr_present & CP_16BITCARD)
printf("do_int: 16-bit card detected\n");
}
if (csr_present & CP_PWRCYCLE)
{
if (debug)
printf("do_int: powered up\n");
return;
}
vcc_5v= !!(csr_present & CP_5VCARD);
vcc_3v= !!(csr_present & CP_3VCARD);
vcc_Xv= !!(csr_present & CP_XVCARD);
vcc_Yv= !!(csr_present & CP_YVCARD);
if (debug)
{
printf("do_int: card supports:%s%s%s%s\n",
vcc_5v ? " 5V" : "", vcc_3v ? " 3V" : "",
vcc_Xv ? " X.X V" : "", vcc_Yv ? " Y.Y V" : "");
}
socket_5v= !!(csr_present & CP_5VSOCKET);
socket_3v= !!(csr_present & CP_3VSOCKET);
socket_Xv= !!(csr_present & CP_XVSOCKET);
socket_Yv= !!(csr_present & CP_YVSOCKET);
if (debug)
{
printf("do_int: socket supports:%s%s%s%s\n",
socket_5v ? " 5V" : "", socket_3v ? " 3V" : "",
socket_Xv ? " X.X V" : "", socket_Yv ? " Y.Y V" : "");
}
if (vcc_5v && socket_5v)
{
csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_5V;
pp->csr_ptr->csr_control= csr_control;
if (debug)
printf("do_int: applying 5V\n");
}
else if (vcc_3v && socket_3v)
{
csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_3V;
pp->csr_ptr->csr_control= csr_control;
if (debug)
printf("do_int: applying 3V\n");
}
else if (vcc_Xv && socket_Xv)
{
csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_XV;
pp->csr_ptr->csr_control= csr_control;
printf("do_int: applying X.X V\n");
}
else if (vcc_Yv && socket_Yv)
{
csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_YV;
pp->csr_ptr->csr_control= csr_control;
printf("do_int: applying Y.Y V\n");
}
else
{
printf("do_int: socket and card are not compatible\n");
return;
}
csr_event= pp->csr_ptr->csr_event;
if (csr_event)
{
if (debug)
printf("clearing socket event\n");
pp->csr_ptr->csr_event= csr_event;
if (debug)
{
printf("Socket event (cleared): 0x%x\n",
pp->csr_ptr->csr_event);
}
}
devind= pp->p_devind;
v8= pci_attr_r8(devind, TI_CARD_CTRL);
if (v8 & TI_CCR_IFG)
{
printf("ti1225: got functional interrupt\n");
pci_attr_w8(devind, TI_CARD_CTRL, v8);
}
if (debug)
{
v8= pci_attr_r8(devind, TI_CARD_CTRL);
printf("TI_CARD_CTRL: 0x%02x\n", v8);
}
spin_init(&spin, 100000);
do {
csr_present= pp->csr_ptr->csr_present;
if (csr_present & CP_PWRCYCLE)
break;
} while (spin_check(&spin));
if (!(csr_present & CP_PWRCYCLE))
{
printf("do_int: not powered up?\n");
return;
}
/* Reset device */
v16= pci_attr_r16(devind, CBB_BRIDGECTRL);
v16 |= CBB_BC_CRST;
pci_attr_w16(devind, CBB_BRIDGECTRL, v16);
/* Wait one microsecond. Is this correct? What are the specs? */
micro_delay(1);
/* Clear CBB_BC_CRST */
v16= pci_attr_r16(devind, CBB_BRIDGECTRL);
v16 &= ~CBB_BC_CRST;
pci_attr_w16(devind, CBB_BRIDGECTRL, v16);
/* Wait one microsecond after clearing the reset line. Is this
* correct? What are the specs?
*/
micro_delay(1);
pci_rescan_bus(pp->p_cb_busnr);
#if USE_INTS
r= sys_irqenable(&pp->p_hook);
if (r != OK)
panic("unable enable interrupts: %d", r);
#endif
}
/*===========================================================================*
* hw_init *
*===========================================================================*/
static void hw_init(struct port *pp, int devind)
{
u8_t v8;
u16_t v16;
u32_t v32;
#if USE_INTS
int r, irq;
#endif
pp->p_devind= devind;
if (debug)
printf("hw_init: devind = %d\n", devind);
if (debug)
{
v16= pci_attr_r16(devind, PCI_CR);
printf("ti1225: command register 0x%x\n", v16);
}
v32= pci_attr_r32(devind, TI_CB_BASEADDR);
if (debug)
printf("ti1225: Cardbus/ExCA base address 0x%x\n", v32);
v32 &= PCI_BAR_MEM_MASK; /* Clear low order bits in base */
pp->csr_ptr=
(struct csr *) vm_map_phys(SELF, (void *) v32, I386_PAGE_SIZE);
if (pp->csr_ptr == MAP_FAILED)
panic("hw_init: vm_map_phys failed");
if (debug)
{
v8= pci_attr_r8(devind, TI_PCI_BUS_NR);
printf("ti1225: PCI bus number %d\n", v8);
}
v8= pci_attr_r8(devind, TI_CB_BUS_NR);
pp->p_cb_busnr= v8;
if (debug)
{
printf("ti1225: CardBus bus number %d\n", v8);
v8= pci_attr_r8(devind, TI_SO_BUS_NR);
printf("ti1225: Subordinate bus number %d\n", v8);
}
#if USE_INTS
irq= pci_attr_r8(devind, PCI_ILR);
pp->p_irq= irq;
printf("ti1225 using IRQ %d\n", irq);
#endif
v32= pci_attr_r32(devind, TI_LEGACY_BA);
v32 &= ~1;
if (debug)
{
printf("ti1225: PC Card 16-bit legacy-mode base address 0x%x\n",
v32);
}
if (v32 == 0)
panic("bad legacy-mode base address: %d", v32);
pp->p_exca_port= v32;
if (debug)
{
v32= pci_attr_r32(devind, TI_MF_ROUTE);
printf("ti1225: Multifunction routing 0x%08x\n", v32);
}
#if USE_INTS
pp->p_hook = pp->p_irq;
r= sys_irqsetpolicy(pp->p_irq, 0, &pp->p_hook);
if (r != OK)
panic("sys_irqsetpolicy failed: %d", r);
#endif
/* Clear CBB_BC_INTEXCA */
v16= pci_attr_r16(devind, CBB_BRIDGECTRL);
if (debug)
printf("ti1225: Bridge control 0x%04x\n", v16);
v16 &= ~CBB_BC_INTEXCA;
pci_attr_w16(devind, CBB_BRIDGECTRL, v16);
if (debug)
{
v32= pci_attr_r32(devind, TI_SYSCTRL);
printf("ti1225: System Control Register 0x%08x\n", v32);
v8= pci_attr_r8(devind, TI_CARD_CTRL);
printf("ti1225: Card Control 0x%02x\n", v8);
v8= pci_attr_r8(devind, TI_DEV_CTRL);
printf("ti1225: Device Control 0x%02x\n", v8);
}
/* Enable socket interrupts */
pp->csr_ptr->csr_mask |= CM_PWRMASK | CM_CDMASK | CM_CSTSMASK;
do_int(pp);
#if USE_INTS
r= sys_irqenable(&pp->p_hook);
if (r != OK)
panic("unable enable interrupts: %d", r);
#endif
}
