/* Enable interrupts */
void
gdt_pci_enable_intr(struct gdt_softc *sc)
{
GDT_DPRINTF(GDT_D_INTR, ("gdt_pci_enable_intr(%p) ", sc));
switch(GDT_CLASS(sc)) {
case GDT_PCI:
bus_space_write_1(sc->sc_dpmemt, sc->sc_dpmemh, GDT_IRQDEL,
1);
bus_space_write_1(sc->sc_dpmemt, sc->sc_dpmemh,
GDT_CMD_INDEX, 0);
bus_space_write_1(sc->sc_dpmemt, sc->sc_dpmemh, GDT_IRQEN,
1);
break;
case GDT_PCINEW:
bus_space_write_1(sc->sc_iot, sc->sc_ioh, GDT_EDOOR_REG,
0xff);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, GDT_CONTROL1, 3);
break;
case GDT_MPR:
bus_space_write_1(sc->sc_dpmemt, sc->sc_dpmemh,
GDT_MPR_EDOOR, 0xff);
bus_space_write_1(sc->sc_dpmemt, sc->sc_dpmemh, GDT_EDOOR_EN,
bus_space_read_1(sc->sc_dpmemt, sc->sc_dpmemh,
GDT_EDOOR_EN) & ~4);
break;
}
}
/* Enable interrupts */
void
gdt_pci_enable_intr(struct gdt_softc *gdt)
{
GDT_DPRINTF(GDT_D_INTR, ("gdt_pci_enable_intr(%p) ", gdt));
switch(GDT_CLASS(gdt)) {
case GDT_MPR:
bus_write_1(gdt->sc_dpmem, GDT_MPR_EDOOR, 0xff);
bus_write_1(gdt->sc_dpmem, GDT_EDOOR_EN,
bus_read_1(gdt->sc_dpmem, GDT_EDOOR_EN) & ~4);
break;
}
}
void
gdt_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct gdt_softc *sc = (void *)self;
bus_space_tag_t dpmemt, iomemt, iot;
bus_space_handle_t dpmemh, iomemh, ioh;
bus_addr_t dpmembase, iomembase, iobase;
bus_size_t dpmemsize, iomemsize, iosize;
u_int16_t prod;
u_int32_t status = 0;
#define DPMEM_MAPPED 1
#define IOMEM_MAPPED 2
#define IO_MAPPED 4
#define INTR_ESTABLISHED 8
int retries;
u_int8_t protocol;
pci_intr_handle_t ih;
const char *intrstr;
printf(": ");
sc->sc_class = 0;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VORTEX) {
prod = PCI_PRODUCT(pa->pa_id);
switch (prod) {
case PCI_PRODUCT_VORTEX_GDT_60x0:
case PCI_PRODUCT_VORTEX_GDT_6000B:
sc->sc_class = GDT_PCI;
break;
case PCI_PRODUCT_VORTEX_GDT_6x10:
case PCI_PRODUCT_VORTEX_GDT_6x20:
case PCI_PRODUCT_VORTEX_GDT_6530:
case PCI_PRODUCT_VORTEX_GDT_6550:
case PCI_PRODUCT_VORTEX_GDT_6x17:
case PCI_PRODUCT_VORTEX_GDT_6x27:
case PCI_PRODUCT_VORTEX_GDT_6537:
case PCI_PRODUCT_VORTEX_GDT_6557:
case PCI_PRODUCT_VORTEX_GDT_6x15:
case PCI_PRODUCT_VORTEX_GDT_6x25:
case PCI_PRODUCT_VORTEX_GDT_6535:
case PCI_PRODUCT_VORTEX_GDT_6555:
sc->sc_class = GDT_PCINEW;
break;
case PCI_PRODUCT_VORTEX_GDT_6x17RP:
case PCI_PRODUCT_VORTEX_GDT_6x27RP:
case PCI_PRODUCT_VORTEX_GDT_6537RP:
case PCI_PRODUCT_VORTEX_GDT_6557RP:
case PCI_PRODUCT_VORTEX_GDT_6x11RP:
case PCI_PRODUCT_VORTEX_GDT_6x21RP:
case PCI_PRODUCT_VORTEX_GDT_6x17RD:
case PCI_PRODUCT_VORTEX_GDT_6x27RD:
case PCI_PRODUCT_VORTEX_GDT_6537RD:
case PCI_PRODUCT_VORTEX_GDT_6557RD:
case PCI_PRODUCT_VORTEX_GDT_6x11RD:
case PCI_PRODUCT_VORTEX_GDT_6x21RD:
case PCI_PRODUCT_VORTEX_GDT_6x18RD:
case PCI_PRODUCT_VORTEX_GDT_6x28RD:
case PCI_PRODUCT_VORTEX_GDT_6x38RD:
case PCI_PRODUCT_VORTEX_GDT_6x58RD:
case PCI_PRODUCT_VORTEX_GDT_6518RS:
case PCI_PRODUCT_VORTEX_GDT_7x18RN:
case PCI_PRODUCT_VORTEX_GDT_7x28RN:
case PCI_PRODUCT_VORTEX_GDT_7x38RN:
case PCI_PRODUCT_VORTEX_GDT_7x58RN:
case PCI_PRODUCT_VORTEX_GDT_6x19RD:
case PCI_PRODUCT_VORTEX_GDT_6x29RD:
case PCI_PRODUCT_VORTEX_GDT_7x19RN:
case PCI_PRODUCT_VORTEX_GDT_7x29RN:
case PCI_PRODUCT_VORTEX_GDT_7x43RN:
sc->sc_class = GDT_MPR;
}
/* If we don't recognize it, determine class heuristically. */
if (sc->sc_class == 0)
sc->sc_class = prod < 0x100 ? GDT_PCINEW : GDT_MPR;
if (prod >= GDT_PCI_PRODUCT_FC)
sc->sc_class |= GDT_FC;
} else if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) {
sc->sc_class = GDT_MPR;
}
if (pci_mapreg_map(pa,
GDT_CLASS(sc) == GDT_PCINEW ? GDT_PCINEW_DPMEM : GDT_PCI_DPMEM,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &dpmemt,
&dpmemh, &dpmembase, &dpmemsize, 0)) {
if (pci_mapreg_map(pa,
GDT_CLASS(sc) == GDT_PCINEW ? GDT_PCINEW_DPMEM :
GDT_PCI_DPMEM,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT_1M, 0,
&dpmemt,&dpmemh, &dpmembase, &dpmemsize, 0)) {
printf("cannot map DPMEM\n");
goto bail_out;
}
}
status |= DPMEM_MAPPED;
sc->sc_dpmemt = dpmemt;
sc->sc_dpmemh = dpmemh;
sc->sc_dpmembase = dpmembase;
sc->sc_dmat = pa->pa_dmat;
/*
* The GDT_PCINEW series also has two other regions to map.
*/
if (GDT_CLASS(sc) == GDT_PCINEW) {
if (pci_mapreg_map(pa, GDT_PCINEW_IOMEM, PCI_MAPREG_TYPE_MEM,
0, &iomemt, &iomemh, &iomembase, &iomemsize, 0)) {
printf("can't map memory mapped i/o ports\n");
goto bail_out;
}
status |= IOMEM_MAPPED;
if (pci_mapreg_map(pa, GDT_PCINEW_IO, PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, &iobase, &iosize, 0)) {
printf("can't map i/o space\n");
goto bail_out;
}
status |= IO_MAPPED;
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_iobase = iobase;
}
switch (GDT_CLASS(sc)) {
case GDT_PCI:
bus_space_set_region_4(dpmemt, dpmemh, 0, 0,
GDT_DPR_IF_SZ >> 2);
if (bus_space_read_1(dpmemt, dpmemh, 0) != 0) {
printf("can't write to DPMEM\n");
goto bail_out;
}
#if 0
/* disable board interrupts, deinit services */
gdth_writeb(0xff, &dp6_ptr->io.irqdel);
gdth_writeb(0x00, &dp6_ptr->io.irqen);
gdth_writeb(0x00, &dp6_ptr->u.ic.S_Status);
gdth_writeb(0x00, &dp6_ptr->u.ic.Cmd_Index);
gdth_writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]);
gdth_writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx);
gdth_writeb(0, &dp6_ptr->io.event);
retries = INIT_RETRIES;
gdth_delay(20);
while (gdth_readb(&dp6_ptr->u.ic.S_Status) != 0xff) {
if (--retries == 0) {
printk("initialization error (DEINIT failed)\n");
gdth_munmap(ha->brd);
return 0;
}
gdth_delay(1);
}
prot_ver = (unchar)gdth_readl(&dp6_ptr->u.ic.S_Info[0]);
gdth_writeb(0, &dp6_ptr->u.ic.S_Status);
gdth_writeb(0xff, &dp6_ptr->io.irqdel);
if (prot_ver != PROTOCOL_VERSION) {
printk("illegal protocol version\n");
gdth_munmap(ha->brd);
return 0;
}
ha->type = GDT_PCI;
ha->ic_all_size = sizeof(dp6_ptr->u);
/* special command to controller BIOS */
gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[0]);
gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[1]);
gdth_writel(0x01, &dp6_ptr->u.ic.S_Info[2]);
gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[3]);
gdth_writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx);
gdth_writeb(0, &dp6_ptr->io.event);
retries = INIT_RETRIES;
gdth_delay(20);
while (gdth_readb(&dp6_ptr->u.ic.S_Status) != 0xfe) {
if (--retries == 0) {
printk("initialization error\n");
gdth_munmap(ha->brd);
return 0;
}
gdth_delay(1);
}
gdth_writeb(0, &dp6_ptr->u.ic.S_Status);
gdth_writeb(0xff, &dp6_ptr->io.irqdel);
#endif
sc->sc_ic_all_size = GDT_DPRAM_SZ;
sc->sc_copy_cmd = gdt_pci_copy_cmd;
sc->sc_get_status = gdt_pci_get_status;
sc->sc_intr = gdt_pci_intr;
sc->sc_release_event = gdt_pci_release_event;
sc->sc_set_sema0 = gdt_pci_set_sema0;
sc->sc_test_busy = gdt_pci_test_busy;
break;
case GDT_PCINEW:
bus_space_set_region_4(dpmemt, dpmemh, 0, 0,
GDT_DPR_IF_SZ >> 2);
if (bus_space_read_1(dpmemt, dpmemh, 0) != 0) {
printf("cannot write to DPMEM\n");
goto bail_out;
}
#if 0
/* disable board interrupts, deinit services */
outb(0x00,PTR2USHORT(&ha->plx->control1));
outb(0xff,PTR2USHORT(&ha->plx->edoor_reg));
gdth_writeb(0x00, &dp6c_ptr->u.ic.S_Status);
gdth_writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index);
gdth_writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]);
gdth_writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx);
outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
retries = INIT_RETRIES;
gdth_delay(20);
while (gdth_readb(&dp6c_ptr->u.ic.S_Status) != 0xff) {
if (--retries == 0) {
printk("initialization error (DEINIT failed)\n");
gdth_munmap(ha->brd);
return 0;
}
gdth_delay(1);
}
prot_ver = (unchar)gdth_readl(&dp6c_ptr->u.ic.S_Info[0]);
gdth_writeb(0, &dp6c_ptr->u.ic.Status);
if (prot_ver != PROTOCOL_VERSION) {
printk("illegal protocol version\n");
gdth_munmap(ha->brd);
return 0;
}
ha->type = GDT_PCINEW;
ha->ic_all_size = sizeof(dp6c_ptr->u);
/* special command to controller BIOS */
gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[0]);
gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[1]);
gdth_writel(0x01, &dp6c_ptr->u.ic.S_Info[2]);
gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[3]);
gdth_writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx);
outb(1,PTR2USHORT(&ha->plx->ldoor_reg));
retries = INIT_RETRIES;
gdth_delay(20);
while (gdth_readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) {
if (--retries == 0) {
printk("initialization error\n");
gdth_munmap(ha->brd);
return 0;
}
gdth_delay(1);
}
gdth_writeb(0, &dp6c_ptr->u.ic.S_Status);
#endif
sc->sc_ic_all_size = GDT_PCINEW_SZ;
sc->sc_copy_cmd = gdt_pcinew_copy_cmd;
sc->sc_get_status = gdt_pcinew_get_status;
sc->sc_intr = gdt_pcinew_intr;
sc->sc_release_event = gdt_pcinew_release_event;
sc->sc_set_sema0 = gdt_pcinew_set_sema0;
sc->sc_test_busy = gdt_pcinew_test_busy;
break;
case GDT_MPR:
bus_space_write_4(dpmemt, dpmemh, GDT_MPR_IC, GDT_MPR_MAGIC);
if (bus_space_read_4(dpmemt, dpmemh, GDT_MPR_IC) !=
GDT_MPR_MAGIC) {
printf("cannot access DPMEM at 0x%lx (shadowed?)\n",
dpmembase);
goto bail_out;
}
/*
* XXX Here the Linux driver has a weird remapping logic I
* don't understand. My controller does not need it, and I
* cannot see what purpose it serves, therefore I did not
* do anything similar.
*/
bus_space_set_region_4(dpmemt, dpmemh, GDT_I960_SZ, 0,
GDT_DPR_IF_SZ >> 2);
/* Disable everything */
bus_space_write_1(dpmemt, dpmemh, GDT_EDOOR_EN,
bus_space_read_1(dpmemt, dpmemh, GDT_EDOOR_EN) | 4);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_EDOOR, 0xff);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_STATUS,
0);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_CMD_INDEX,
0);
bus_space_write_4(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_INFO,
dpmembase);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_CMD_INDX,
0xff);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_LDOOR, 1);
DELAY(20);
retries = GDT_RETRIES;
while (bus_space_read_1(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_STATUS) != 0xff) {
if (--retries == 0) {
printf("DEINIT failed (status 0x%x)\n",
bus_space_read_1(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_STATUS));
goto bail_out;
}
DELAY(1);
}
protocol = (u_int8_t)bus_space_read_4(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_INFO);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_STATUS,
0);
if (protocol != GDT_PROTOCOL_VERSION) {
printf("unsupported protocol %d\n", protocol);
goto bail_out;
}
/* special commnd to controller BIOS */
bus_space_write_4(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_INFO, 0);
bus_space_write_4(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_INFO + sizeof (u_int32_t), 0);
bus_space_write_4(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_INFO + 2 * sizeof (u_int32_t), 1);
bus_space_write_4(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_INFO + 3 * sizeof (u_int32_t), 0);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_CMD_INDX,
0xfe);
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_LDOOR, 1);
DELAY(20);
retries = GDT_RETRIES;
while (bus_space_read_1(dpmemt, dpmemh,
GDT_MPR_IC + GDT_S_STATUS) != 0xfe) {
if (--retries == 0) {
printf("initialization error\n");
goto bail_out;
}
DELAY(1);
}
bus_space_write_1(dpmemt, dpmemh, GDT_MPR_IC + GDT_S_STATUS,
0);
sc->sc_ic_all_size = GDT_MPR_SZ;
sc->sc_copy_cmd = gdt_mpr_copy_cmd;
sc->sc_get_status = gdt_mpr_get_status;
sc->sc_intr = gdt_mpr_intr;
sc->sc_release_event = gdt_mpr_release_event;
sc->sc_set_sema0 = gdt_mpr_set_sema0;
sc->sc_test_busy = gdt_mpr_test_busy;
}
if (pci_intr_map(pa, &ih)) {
printf("couldn't map interrupt\n");
goto bail_out;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, gdt_intr, sc,
sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf("couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto bail_out;
}
status |= INTR_ESTABLISHED;
if (intrstr != NULL)
printf("%s ", intrstr);
if (gdt_attach(sc))
goto bail_out;
gdt_pci_enable_intr(sc);
return;
bail_out:
if (status & DPMEM_MAPPED)
bus_space_unmap(dpmemt, dpmemh, dpmemsize);
if (status & IOMEM_MAPPED)
bus_space_unmap(iomemt, iomemh, iomembase);
if (status & IO_MAPPED)
bus_space_unmap(iot, ioh, iosize);
if (status & INTR_ESTABLISHED)
pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
return;
}