#include <linux/interrupt.h>
#include <asm/apb.h>
-#include <asm/pbm.h>
#include <asm/iommu.h>
#include <asm/irq.h>
#include <asm/smp.h>
#include <asm/oplib.h>
#include <asm/prom.h>
+#include <asm/of_device.h>
#include "pci_impl.h"
#include "iommu_common.h"
#define SABRE_MEMSPACE 0x100000000UL
#define SABRE_MEMSPACE_SIZE 0x07fffffffUL
-/* UltraSparc-IIi Programmer's Manual, page 325, PCI
- * configuration space address format:
- *
- * 32 24 23 16 15 11 10 8 7 2 1 0
- * ---------------------------------------------------------
- * |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
- * ---------------------------------------------------------
- */
-#define SABRE_CONFIG_BASE(PBM) \
- ((PBM)->config_space | (1UL << 24))
-#define SABRE_CONFIG_ENCODE(BUS, DEVFN, REG) \
- (((unsigned long)(BUS) << 16) | \
- ((unsigned long)(DEVFN) << 8) | \
- ((unsigned long)(REG)))
-
static int hummingbird_p;
static struct pci_bus *sabre_root_bus;
-static void *sabre_pci_config_mkaddr(struct pci_pbm_info *pbm,
- unsigned char bus,
- unsigned int devfn,
- int where)
-{
- if (!pbm)
- return NULL;
- return (void *)
- (SABRE_CONFIG_BASE(pbm) |
- SABRE_CONFIG_ENCODE(bus, devfn, where));
-}
-
-static int sabre_out_of_range(unsigned char devfn)
-{
- if (hummingbird_p)
- return 0;
-
- return (((PCI_SLOT(devfn) == 0) && (PCI_FUNC(devfn) > 0)) ||
- ((PCI_SLOT(devfn) == 1) && (PCI_FUNC(devfn) > 1)) ||
- (PCI_SLOT(devfn) > 1));
-}
-
-static int __sabre_out_of_range(struct pci_pbm_info *pbm,
- unsigned char bus,
- unsigned char devfn)
-{
- if (hummingbird_p)
- return 0;
-
- return ((pbm->parent == 0) ||
- ((pbm == &pbm->parent->pbm_A) &&
- (bus == pbm->pci_first_busno) &&
- PCI_SLOT(devfn) > 8));
-}
-
-static int __sabre_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
- int where, int size, u32 *value)
-{
- struct pci_pbm_info *pbm = bus_dev->sysdata;
- unsigned char bus = bus_dev->number;
- u32 *addr;
- u16 tmp16;
- u8 tmp8;
-
- switch (size) {
- case 1:
- *value = 0xff;
- break;
- case 2:
- *value = 0xffff;
- break;
- case 4:
- *value = 0xffffffff;
- break;
- }
-
- addr = sabre_pci_config_mkaddr(pbm, bus, devfn, where);
- if (!addr)
- return PCIBIOS_SUCCESSFUL;
-
- if (__sabre_out_of_range(pbm, bus, devfn))
- return PCIBIOS_SUCCESSFUL;
-
- switch (size) {
- case 1:
- pci_config_read8((u8 *) addr, &tmp8);
- *value = tmp8;
- break;
-
- case 2:
- if (where & 0x01) {
- printk("pci_read_config_word: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_read16((u16 *) addr, &tmp16);
- *value = tmp16;
- break;
-
- case 4:
- if (where & 0x03) {
- printk("pci_read_config_dword: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_read32(addr, value);
- break;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int sabre_read_pci_cfg(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 *value)
-{
- struct pci_pbm_info *pbm = bus->sysdata;
-
- if (bus == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_read_pci_cfg(bus, devfn, where,
- size, value);
-
- if (!bus->number && sabre_out_of_range(devfn)) {
- switch (size) {
- case 1:
- *value = 0xff;
- break;
- case 2:
- *value = 0xffff;
- break;
- case 4:
- *value = 0xffffffff;
- break;
- }
- return PCIBIOS_SUCCESSFUL;
- }
-
- if (bus->number || PCI_SLOT(devfn))
- return __sabre_read_pci_cfg(bus, devfn, where, size, value);
-
- /* When accessing PCI config space of the PCI controller itself (bus
- * 0, device slot 0, function 0) there are restrictions. Each
- * register must be accessed as it's natural size. Thus, for example
- * the Vendor ID must be accessed as a 16-bit quantity.
- */
-
- switch (size) {
- case 1:
- if (where < 8) {
- u32 tmp32;
- u16 tmp16;
-
- __sabre_read_pci_cfg(bus, devfn, where & ~1, 2, &tmp32);
- tmp16 = (u16) tmp32;
- if (where & 1)
- *value = tmp16 >> 8;
- else
- *value = tmp16 & 0xff;
- } else
- return __sabre_read_pci_cfg(bus, devfn, where, 1, value);
- break;
-
- case 2:
- if (where < 8)
- return __sabre_read_pci_cfg(bus, devfn, where, 2, value);
- else {
- u32 tmp32;
- u8 tmp8;
-
- __sabre_read_pci_cfg(bus, devfn, where, 1, &tmp32);
- tmp8 = (u8) tmp32;
- *value = tmp8;
- __sabre_read_pci_cfg(bus, devfn, where + 1, 1, &tmp32);
- tmp8 = (u8) tmp32;
- *value |= tmp8 << 8;
- }
- break;
-
- case 4: {
- u32 tmp32;
- u16 tmp16;
-
- sabre_read_pci_cfg(bus, devfn, where, 2, &tmp32);
- tmp16 = (u16) tmp32;
- *value = tmp16;
- sabre_read_pci_cfg(bus, devfn, where + 2, 2, &tmp32);
- tmp16 = (u16) tmp32;
- *value |= tmp16 << 16;
- break;
- }
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int __sabre_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
- int where, int size, u32 value)
-{
- struct pci_pbm_info *pbm = bus_dev->sysdata;
- unsigned char bus = bus_dev->number;
- u32 *addr;
-
- addr = sabre_pci_config_mkaddr(pbm, bus, devfn, where);
- if (!addr)
- return PCIBIOS_SUCCESSFUL;
-
- if (__sabre_out_of_range(pbm, bus, devfn))
- return PCIBIOS_SUCCESSFUL;
-
- switch (size) {
- case 1:
- pci_config_write8((u8 *) addr, value);
- break;
-
- case 2:
- if (where & 0x01) {
- printk("pci_write_config_word: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_write16((u16 *) addr, value);
- break;
-
- case 4:
- if (where & 0x03) {
- printk("pci_write_config_dword: misaligned reg [%x]\n",
- where);
- return PCIBIOS_SUCCESSFUL;
- }
- pci_config_write32(addr, value);
- break;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int sabre_write_pci_cfg(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 value)
-{
- struct pci_pbm_info *pbm = bus->sysdata;
-
- if (bus == pbm->pci_bus && devfn == 0x00)
- return pci_host_bridge_write_pci_cfg(bus, devfn, where,
- size, value);
-
- if (bus->number)
- return __sabre_write_pci_cfg(bus, devfn, where, size, value);
-
- if (sabre_out_of_range(devfn))
- return PCIBIOS_SUCCESSFUL;
-
- switch (size) {
- case 1:
- if (where < 8) {
- u32 tmp32;
- u16 tmp16;
-
- __sabre_read_pci_cfg(bus, devfn, where & ~1, 2, &tmp32);
- tmp16 = (u16) tmp32;
- if (where & 1) {
- value &= 0x00ff;
- value |= tmp16 << 8;
- } else {
- value &= 0xff00;
- value |= tmp16;
- }
- tmp32 = (u32) tmp16;
- return __sabre_write_pci_cfg(bus, devfn, where & ~1, 2, tmp32);
- } else
- return __sabre_write_pci_cfg(bus, devfn, where, 1, value);
- break;
- case 2:
- if (where < 8)
- return __sabre_write_pci_cfg(bus, devfn, where, 2, value);
- else {
- __sabre_write_pci_cfg(bus, devfn, where, 1, value & 0xff);
- __sabre_write_pci_cfg(bus, devfn, where + 1, 1, value >> 8);
- }
- break;
- case 4:
- sabre_write_pci_cfg(bus, devfn, where, 2, value & 0xffff);
- sabre_write_pci_cfg(bus, devfn, where + 2, 2, value >> 16);
- break;
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops sabre_ops = {
- .read = sabre_read_pci_cfg,
- .write = sabre_write_pci_cfg,
-};
-
/* SABRE error handling support. */
-static void sabre_check_iommu_error(struct pci_controller_info *p,
+static void sabre_check_iommu_error(struct pci_pbm_info *pbm,
unsigned long afsr,
unsigned long afar)
{
- struct iommu *iommu = p->pbm_A.iommu;
+ struct iommu *iommu = pbm->iommu;
unsigned long iommu_tag[16];
unsigned long iommu_data[16];
unsigned long flags;
type_string = "Unknown";
break;
};
- printk("SABRE%d: IOMMU Error, type[%s]\n",
- p->index, type_string);
+ printk("%s: IOMMU Error, type[%s]\n",
+ pbm->name, type_string);
/* Enter diagnostic mode and probe for error'd
* entries in the IOTLB.
sabre_write(iommu->iommu_control,
(control | SABRE_IOMMUCTRL_DENAB));
for (i = 0; i < 16; i++) {
- unsigned long base = p->pbm_A.controller_regs;
+ unsigned long base = pbm->controller_regs;
iommu_tag[i] =
sabre_read(base + SABRE_IOMMU_TAG + (i * 8UL));
type_string = "Unknown";
break;
};
- printk("SABRE%d: IOMMU TAG(%d)[RAW(%016lx)error(%s)wr(%d)sz(%dK)vpg(%08lx)]\n",
- p->index, i, tag, type_string,
+ printk("%s: IOMMU TAG(%d)[RAW(%016lx)error(%s)wr(%d)sz(%dK)vpg(%08lx)]\n",
+ pbm->name, i, tag, type_string,
((tag & SABRE_IOMMUTAG_WRITE) ? 1 : 0),
((tag & SABRE_IOMMUTAG_SIZE) ? 64 : 8),
((tag & SABRE_IOMMUTAG_VPN) << IOMMU_PAGE_SHIFT));
- printk("SABRE%d: IOMMU DATA(%d)[RAW(%016lx)valid(%d)used(%d)cache(%d)ppg(%016lx)\n",
- p->index, i, data,
+ printk("%s: IOMMU DATA(%d)[RAW(%016lx)valid(%d)used(%d)cache(%d)ppg(%016lx)\n",
+ pbm->name, i, data,
((data & SABRE_IOMMUDATA_VALID) ? 1 : 0),
((data & SABRE_IOMMUDATA_USED) ? 1 : 0),
((data & SABRE_IOMMUDATA_CACHE) ? 1 : 0),
static irqreturn_t sabre_ue_intr(int irq, void *dev_id)
{
- struct pci_controller_info *p = dev_id;
- unsigned long afsr_reg = p->pbm_A.controller_regs + SABRE_UE_AFSR;
- unsigned long afar_reg = p->pbm_A.controller_regs + SABRE_UECE_AFAR;
+ struct pci_pbm_info *pbm = dev_id;
+ unsigned long afsr_reg = pbm->controller_regs + SABRE_UE_AFSR;
+ unsigned long afar_reg = pbm->controller_regs + SABRE_UECE_AFAR;
unsigned long afsr, afar, error_bits;
int reported;
sabre_write(afsr_reg, error_bits);
/* Log the error. */
- printk("SABRE%d: Uncorrectable Error, primary error type[%s%s]\n",
- p->index,
+ printk("%s: Uncorrectable Error, primary error type[%s%s]\n",
+ pbm->name,
((error_bits & SABRE_UEAFSR_PDRD) ?
"DMA Read" :
((error_bits & SABRE_UEAFSR_PDWR) ?
"DMA Write" : "???")),
((error_bits & SABRE_UEAFSR_PDTE) ?
":Translation Error" : ""));
- printk("SABRE%d: bytemask[%04lx] dword_offset[%lx] was_block(%d)\n",
- p->index,
+ printk("%s: bytemask[%04lx] dword_offset[%lx] was_block(%d)\n",
+ pbm->name,
(afsr & SABRE_UEAFSR_BMSK) >> 32UL,
(afsr & SABRE_UEAFSR_OFF) >> 29UL,
((afsr & SABRE_UEAFSR_BLK) ? 1 : 0));
- printk("SABRE%d: UE AFAR [%016lx]\n", p->index, afar);
- printk("SABRE%d: UE Secondary errors [", p->index);
+ printk("%s: UE AFAR [%016lx]\n", pbm->name, afar);
+ printk("%s: UE Secondary errors [", pbm->name);
reported = 0;
if (afsr & SABRE_UEAFSR_SDRD) {
reported++;
printk("]\n");
/* Interrogate IOMMU for error status. */
- sabre_check_iommu_error(p, afsr, afar);
+ sabre_check_iommu_error(pbm, afsr, afar);
return IRQ_HANDLED;
}
static irqreturn_t sabre_ce_intr(int irq, void *dev_id)
{
- struct pci_controller_info *p = dev_id;
- unsigned long afsr_reg = p->pbm_A.controller_regs + SABRE_CE_AFSR;
- unsigned long afar_reg = p->pbm_A.controller_regs + SABRE_UECE_AFAR;
+ struct pci_pbm_info *pbm = dev_id;
+ unsigned long afsr_reg = pbm->controller_regs + SABRE_CE_AFSR;
+ unsigned long afar_reg = pbm->controller_regs + SABRE_UECE_AFAR;
unsigned long afsr, afar, error_bits;
int reported;
sabre_write(afsr_reg, error_bits);
/* Log the error. */
- printk("SABRE%d: Correctable Error, primary error type[%s]\n",
- p->index,
+ printk("%s: Correctable Error, primary error type[%s]\n",
+ pbm->name,
((error_bits & SABRE_CEAFSR_PDRD) ?
"DMA Read" :
((error_bits & SABRE_CEAFSR_PDWR) ?
/* XXX Use syndrome and afar to print out module string just like
* XXX UDB CE trap handler does... -DaveM
*/
- printk("SABRE%d: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] "
+ printk("%s: syndrome[%02lx] bytemask[%04lx] dword_offset[%lx] "
"was_block(%d)\n",
- p->index,
+ pbm->name,
(afsr & SABRE_CEAFSR_ESYND) >> 48UL,
(afsr & SABRE_CEAFSR_BMSK) >> 32UL,
(afsr & SABRE_CEAFSR_OFF) >> 29UL,
((afsr & SABRE_CEAFSR_BLK) ? 1 : 0));
- printk("SABRE%d: CE AFAR [%016lx]\n", p->index, afar);
- printk("SABRE%d: CE Secondary errors [", p->index);
+ printk("%s: CE AFAR [%016lx]\n", pbm->name, afar);
+ printk("%s: CE Secondary errors [", pbm->name);
reported = 0;
if (afsr & SABRE_CEAFSR_SDRD) {
reported++;
return IRQ_HANDLED;
}
-static irqreturn_t sabre_pcierr_intr_other(struct pci_controller_info *p)
+static irqreturn_t sabre_pcierr_intr_other(struct pci_pbm_info *pbm)
{
unsigned long csr_reg, csr, csr_error_bits;
irqreturn_t ret = IRQ_NONE;
u16 stat;
- csr_reg = p->pbm_A.controller_regs + SABRE_PCICTRL;
+ csr_reg = pbm->controller_regs + SABRE_PCICTRL;
csr = sabre_read(csr_reg);
csr_error_bits =
csr & SABRE_PCICTRL_SERR;
/* Log 'em. */
if (csr_error_bits & SABRE_PCICTRL_SERR)
- printk("SABRE%d: PCI SERR signal asserted.\n",
- p->index);
+ printk("%s: PCI SERR signal asserted.\n",
+ pbm->name);
ret = IRQ_HANDLED;
}
pci_bus_read_config_word(sabre_root_bus, 0,
PCI_STATUS_REC_TARGET_ABORT |
PCI_STATUS_REC_MASTER_ABORT |
PCI_STATUS_SIG_SYSTEM_ERROR)) {
- printk("SABRE%d: PCI bus error, PCI_STATUS[%04x]\n",
- p->index, stat);
+ printk("%s: PCI bus error, PCI_STATUS[%04x]\n",
+ pbm->name, stat);
pci_bus_write_config_word(sabre_root_bus, 0,
PCI_STATUS, 0xffff);
ret = IRQ_HANDLED;
static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id)
{
- struct pci_controller_info *p = dev_id;
+ struct pci_pbm_info *pbm = dev_id;
unsigned long afsr_reg, afar_reg;
unsigned long afsr, afar, error_bits;
int reported;
- afsr_reg = p->pbm_A.controller_regs + SABRE_PIOAFSR;
- afar_reg = p->pbm_A.controller_regs + SABRE_PIOAFAR;
+ afsr_reg = pbm->controller_regs + SABRE_PIOAFSR;
+ afar_reg = pbm->controller_regs + SABRE_PIOAFAR;
/* Latch error status. */
afar = sabre_read(afar_reg);
SABRE_PIOAFSR_SMA | SABRE_PIOAFSR_STA |
SABRE_PIOAFSR_SRTRY | SABRE_PIOAFSR_SPERR);
if (!error_bits)
- return sabre_pcierr_intr_other(p);
+ return sabre_pcierr_intr_other(pbm);
sabre_write(afsr_reg, error_bits);
/* Log the error. */
- printk("SABRE%d: PCI Error, primary error type[%s]\n",
- p->index,
+ printk("%s: PCI Error, primary error type[%s]\n",
+ pbm->name,
(((error_bits & SABRE_PIOAFSR_PMA) ?
"Master Abort" :
((error_bits & SABRE_PIOAFSR_PTA) ?
"Excessive Retries" :
((error_bits & SABRE_PIOAFSR_PPERR) ?
"Parity Error" : "???"))))));
- printk("SABRE%d: bytemask[%04lx] was_block(%d)\n",
- p->index,
+ printk("%s: bytemask[%04lx] was_block(%d)\n",
+ pbm->name,
(afsr & SABRE_PIOAFSR_BMSK) >> 32UL,
(afsr & SABRE_PIOAFSR_BLK) ? 1 : 0);
- printk("SABRE%d: PCI AFAR [%016lx]\n", p->index, afar);
- printk("SABRE%d: PCI Secondary errors [", p->index);
+ printk("%s: PCI AFAR [%016lx]\n", pbm->name, afar);
+ printk("%s: PCI Secondary errors [", pbm->name);
reported = 0;
if (afsr & SABRE_PIOAFSR_SMA) {
reported++;
* a bug in the IOMMU support code or a PCI device driver.
*/
if (error_bits & (SABRE_PIOAFSR_PTA | SABRE_PIOAFSR_STA)) {
- sabre_check_iommu_error(p, afsr, afar);
- pci_scan_for_target_abort(p, &p->pbm_A, p->pbm_A.pci_bus);
+ sabre_check_iommu_error(pbm, afsr, afar);
+ pci_scan_for_target_abort(pbm, pbm->pci_bus);
}
if (error_bits & (SABRE_PIOAFSR_PMA | SABRE_PIOAFSR_SMA))
- pci_scan_for_master_abort(p, &p->pbm_A, p->pbm_A.pci_bus);
+ pci_scan_for_master_abort(pbm, pbm->pci_bus);
/* For excessive retries, SABRE/PBM will abort the device
* and there is no way to specifically check for excessive
*/
if (error_bits & (SABRE_PIOAFSR_PPERR | SABRE_PIOAFSR_SPERR))
- pci_scan_for_parity_error(p, &p->pbm_A, p->pbm_A.pci_bus);
+ pci_scan_for_parity_error(pbm, pbm->pci_bus);
return IRQ_HANDLED;
}
static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
{
- struct pci_controller_info *p = pbm->parent;
struct device_node *dp = pbm->prom_node;
struct of_device *op;
unsigned long base = pbm->controller_regs;
u64 tmp;
+ int err;
if (pbm->chip_type == PBM_CHIP_TYPE_SABRE)
dp = dp->parent;
SABRE_UEAFSR_SDRD | SABRE_UEAFSR_SDWR |
SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE));
- request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", p);
+ err = request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm);
+ if (err)
+ printk(KERN_WARNING "%s: Couldn't register UE, err=%d.\n",
+ pbm->name, err);
sabre_write(base + SABRE_CE_AFSR,
(SABRE_CEAFSR_PDRD | SABRE_CEAFSR_PDWR |
SABRE_CEAFSR_SDRD | SABRE_CEAFSR_SDWR));
- request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", p);
- request_irq(op->irqs[0], sabre_pcierr_intr, 0,
- "SABRE_PCIERR", p);
+ err = request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm);
+ if (err)
+ printk(KERN_WARNING "%s: Couldn't register CE, err=%d.\n",
+ pbm->name, err);
+ err = request_irq(op->irqs[0], sabre_pcierr_intr, 0,
+ "SABRE_PCIERR", pbm);
+ if (err)
+ printk(KERN_WARNING "%s: Couldn't register PCIERR, err=%d.\n",
+ pbm->name, err);
tmp = sabre_read(base + SABRE_PCICTRL);
tmp |= SABRE_PCICTRL_ERREN;
static void sabre_scan_bus(struct pci_pbm_info *pbm)
{
static int once;
- struct pci_bus *pbus;
/* The APB bridge speaks to the Sabre host PCI bridge
* at 66Mhz, but the front side of APB runs at 33Mhz
* for both segments.
+ *
+ * Hummingbird systems do not use APB, so they run
+ * at 66MHZ.
*/
- pbm->is_66mhz_capable = 0;
+ if (hummingbird_p)
+ pbm->is_66mhz_capable = 1;
+ else
+ pbm->is_66mhz_capable = 0;
/* This driver has not been verified to handle
* multiple SABREs yet, so trap this.
}
once++;
- pbus = pci_scan_one_pbm(pbm);
- if (!pbus)
+ pbm->pci_bus = pci_scan_one_pbm(pbm);
+ if (!pbm->pci_bus)
return;
- sabre_root_bus = pbus;
+ sabre_root_bus = pbm->pci_bus;
- apb_init(pbus);
+ apb_init(pbm->pci_bus);
sabre_register_error_handlers(pbm);
}
-static void sabre_iommu_init(struct pci_controller_info *p,
+static void sabre_iommu_init(struct pci_pbm_info *pbm,
int tsbsize, unsigned long dvma_offset,
u32 dma_mask)
{
- struct iommu *iommu = p->pbm_A.iommu;
+ struct iommu *iommu = pbm->iommu;
unsigned long i;
u64 control;
/* Register addresses. */
- iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL;
- iommu->iommu_tsbbase = p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE;
- iommu->iommu_flush = p->pbm_A.controller_regs + SABRE_IOMMU_FLUSH;
- iommu->write_complete_reg = p->pbm_A.controller_regs + SABRE_WRSYNC;
+ iommu->iommu_control = pbm->controller_regs + SABRE_IOMMU_CONTROL;
+ iommu->iommu_tsbbase = pbm->controller_regs + SABRE_IOMMU_TSBBASE;
+ iommu->iommu_flush = pbm->controller_regs + SABRE_IOMMU_FLUSH;
+ iommu->write_complete_reg = pbm->controller_regs + SABRE_WRSYNC;
/* Sabre's IOMMU lacks ctx flushing. */
iommu->iommu_ctxflush = 0;
/* Invalidate TLB Entries. */
- control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL);
+ control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL);
control |= SABRE_IOMMUCTRL_DENAB;
- sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control);
+ sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control);
for(i = 0; i < 16; i++) {
- sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0);
- sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0);
+ sabre_write(pbm->controller_regs + SABRE_IOMMU_TAG + (i * 8UL), 0);
+ sabre_write(pbm->controller_regs + SABRE_IOMMU_DATA + (i * 8UL), 0);
}
/* Leave diag mode enabled for full-flushing done
*/
pci_iommu_table_init(iommu, tsbsize * 1024 * 8, dvma_offset, dma_mask);
- sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE,
+ sabre_write(pbm->controller_regs + SABRE_IOMMU_TSBBASE,
__pa(iommu->page_table));
- control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL);
+ control = sabre_read(pbm->controller_regs + SABRE_IOMMU_CONTROL);
control &= ~(SABRE_IOMMUCTRL_TSBSZ | SABRE_IOMMUCTRL_TBWSZ);
control |= SABRE_IOMMUCTRL_ENAB;
switch(tsbsize) {
prom_halt();
break;
}
- sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control);
+ sabre_write(pbm->controller_regs + SABRE_IOMMU_CONTROL, control);
}
-static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp)
+static void sabre_pbm_init(struct pci_controller_info *p, struct pci_pbm_info *pbm, struct device_node *dp)
{
- struct pci_pbm_info *pbm;
-
- pbm = &p->pbm_A;
pbm->name = dp->full_name;
printk("%s: SABRE PCI Bus Module\n", pbm->name);
pbm->scan_bus = sabre_scan_bus;
+ pbm->pci_ops = &sun4u_pci_ops;
+ pbm->config_space_reg_bits = 8;
+
+ pbm->index = pci_num_pbms++;
pbm->chip_type = PBM_CHIP_TYPE_SABRE;
pbm->parent = p;
{
const struct linux_prom64_registers *pr_regs;
struct pci_controller_info *p;
+ struct pci_pbm_info *pbm;
struct iommu *iommu;
int tsbsize;
const u32 *vdma;
/* Of course, Sun has to encode things a thousand
* different ways, inconsistently.
*/
- cpu_find_by_instance(0, &dp, NULL);
- if (!strcmp(dp->name, "SUNW,UltraSPARC-IIe"))
- hummingbird_p = 1;
+ for_each_node_by_type(dp, "cpu") {
+ if (!strcmp(dp->name, "SUNW,UltraSPARC-IIe"))
+ hummingbird_p = 1;
+ }
}
}
prom_printf("SABRE: Error, kmalloc(pci_iommu) failed.\n");
prom_halt();
}
- p->pbm_A.iommu = iommu;
+ pbm = &p->pbm_A;
+ pbm->iommu = iommu;
upa_portid = of_getintprop_default(dp, "upa-portid", 0xff);
- p->pbm_A.next = pci_pbm_root;
- pci_pbm_root = &p->pbm_A;
+ pbm->next = pci_pbm_root;
+ pci_pbm_root = pbm;
- p->pbm_A.portid = upa_portid;
- p->index = pci_num_controllers++;
- p->pci_ops = &sabre_ops;
+ pbm->portid = upa_portid;
/*
* Map in SABRE register set and report the presence of this SABRE.
/*
* First REG in property is base of entire SABRE register space.
*/
- p->pbm_A.controller_regs = pr_regs[0].phys_addr;
+ pbm->controller_regs = pr_regs[0].phys_addr;
/* Clear interrupts */
/* PCI first */
for (clear_irq = SABRE_ICLR_A_SLOT0; clear_irq < SABRE_ICLR_B_SLOT0 + 0x80; clear_irq += 8)
- sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL);
+ sabre_write(pbm->controller_regs + clear_irq, 0x0UL);
/* Then OBIO */
for (clear_irq = SABRE_ICLR_SCSI; clear_irq < SABRE_ICLR_SCSI + 0x80; clear_irq += 8)
- sabre_write(p->pbm_A.controller_regs + clear_irq, 0x0UL);
+ sabre_write(pbm->controller_regs + clear_irq, 0x0UL);
/* Error interrupts are enabled later after the bus scan. */
- sabre_write(p->pbm_A.controller_regs + SABRE_PCICTRL,
+ sabre_write(pbm->controller_regs + SABRE_PCICTRL,
(SABRE_PCICTRL_MRLEN | SABRE_PCICTRL_SERR |
SABRE_PCICTRL_ARBPARK | SABRE_PCICTRL_AEN));
/* Now map in PCI config space for entire SABRE. */
- p->pbm_A.config_space =
- (p->pbm_A.controller_regs + SABRE_CONFIGSPACE);
+ pbm->config_space =
+ (pbm->controller_regs + SABRE_CONFIGSPACE);
vdma = of_get_property(dp, "virtual-dma", NULL);
prom_halt();
}
- sabre_iommu_init(p, tsbsize, vdma[0], dma_mask);
+ sabre_iommu_init(pbm, tsbsize, vdma[0], dma_mask);
/*
* Look for APB underneath.
*/
- sabre_pbm_init(p, dp);
+ sabre_pbm_init(p, pbm, dp);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff