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Diffstat (limited to 'arch/sparc64/kernel/pci_schizo.c')
-rw-r--r--arch/sparc64/kernel/pci_schizo.c192
1 files changed, 44 insertions, 148 deletions
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 7fe4de03ac2e..cc662e915d32 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -232,105 +232,10 @@ static unsigned long schizo_iclr_offset(unsigned long ino)
return SCHIZO_ICLR_BASE + (ino * 8UL);
}
-/* PCI SCHIZO INO number to Sparc PIL level. This table only matters for
- * INOs which will not have an associated PCI device struct, ie. onboard
- * EBUS devices and PCI controller internal error interrupts.
- */
-static unsigned char schizo_pil_table[] = {
-/*0x00*/0, 0, 0, 0, /* PCI slot 0 Int A, B, C, D */
-/*0x04*/0, 0, 0, 0, /* PCI slot 1 Int A, B, C, D */
-/*0x08*/0, 0, 0, 0, /* PCI slot 2 Int A, B, C, D */
-/*0x0c*/0, 0, 0, 0, /* PCI slot 3 Int A, B, C, D */
-/*0x10*/0, 0, 0, 0, /* PCI slot 4 Int A, B, C, D */
-/*0x14*/0, 0, 0, 0, /* PCI slot 5 Int A, B, C, D */
-/*0x18*/5, /* SCSI */
-/*0x19*/5, /* second SCSI */
-/*0x1a*/0, /* UNKNOWN */
-/*0x1b*/0, /* UNKNOWN */
-/*0x1c*/8, /* Parallel */
-/*0x1d*/5, /* Ethernet */
-/*0x1e*/8, /* Firewire-1394 */
-/*0x1f*/9, /* USB */
-/*0x20*/13, /* Audio Record */
-/*0x21*/14, /* Audio Playback */
-/*0x22*/12, /* Serial */
-/*0x23*/5, /* EBUS I2C */
-/*0x24*/10, /* RTC Clock */
-/*0x25*/11, /* Floppy */
-/*0x26*/0, /* UNKNOWN */
-/*0x27*/0, /* UNKNOWN */
-/*0x28*/0, /* UNKNOWN */
-/*0x29*/0, /* UNKNOWN */
-/*0x2a*/10, /* UPA 1 */
-/*0x2b*/10, /* UPA 2 */
-/*0x2c*/0, /* UNKNOWN */
-/*0x2d*/0, /* UNKNOWN */
-/*0x2e*/0, /* UNKNOWN */
-/*0x2f*/0, /* UNKNOWN */
-/*0x30*/15, /* Uncorrectable ECC */
-/*0x31*/15, /* Correctable ECC */
-/*0x32*/15, /* PCI Bus A Error */
-/*0x33*/15, /* PCI Bus B Error */
-/*0x34*/15, /* Safari Bus Error */
-/*0x35*/0, /* Reserved */
-/*0x36*/0, /* Reserved */
-/*0x37*/0, /* Reserved */
-/*0x38*/0, /* Reserved for NewLink */
-/*0x39*/0, /* Reserved for NewLink */
-/*0x3a*/0, /* Reserved for NewLink */
-/*0x3b*/0, /* Reserved for NewLink */
-/*0x3c*/0, /* Reserved for NewLink */
-/*0x3d*/0, /* Reserved for NewLink */
-/*0x3e*/0, /* Reserved for NewLink */
-/*0x3f*/0, /* Reserved for NewLink */
-};
-
-static int schizo_ino_to_pil(struct pci_dev *pdev, unsigned int ino)
-{
- int ret;
-
- if (pdev &&
- pdev->vendor == PCI_VENDOR_ID_SUN &&
- pdev->device == PCI_DEVICE_ID_SUN_RIO_USB)
- return 9;
-
- ret = schizo_pil_table[ino];
- if (ret == 0 && pdev == NULL) {
- ret = 5;
- } else if (ret == 0) {
- switch ((pdev->class >> 16) & 0xff) {
- case PCI_BASE_CLASS_STORAGE:
- ret = 5;
- break;
-
- case PCI_BASE_CLASS_NETWORK:
- ret = 6;
- break;
-
- case PCI_BASE_CLASS_DISPLAY:
- ret = 9;
- break;
-
- case PCI_BASE_CLASS_MULTIMEDIA:
- case PCI_BASE_CLASS_MEMORY:
- case PCI_BASE_CLASS_BRIDGE:
- case PCI_BASE_CLASS_SERIAL:
- ret = 10;
- break;
-
- default:
- ret = 5;
- break;
- };
- }
-
- return ret;
-}
-
-static void tomatillo_wsync_handler(struct ino_bucket *bucket, void *_arg1, void *_arg2)
+static void tomatillo_wsync_handler(unsigned int ino, void *_arg1, void *_arg2)
{
unsigned long sync_reg = (unsigned long) _arg2;
- u64 mask = 1UL << (__irq_ino(__irq(bucket)) & IMAP_INO);
+ u64 mask = 1UL << (ino & IMAP_INO);
u64 val;
int limit;
@@ -365,30 +270,33 @@ static void tomatillo_wsync_handler(struct ino_bucket *bucket, void *_arg1, void
}
}
+static unsigned long schizo_ino_to_iclr(struct pci_pbm_info *pbm,
+ unsigned int ino)
+{
+ ino &= PCI_IRQ_INO;
+ return pbm->pbm_regs + schizo_iclr_offset(ino) + 4;
+}
+
+static unsigned long schizo_ino_to_imap(struct pci_pbm_info *pbm,
+ unsigned int ino)
+{
+ ino &= PCI_IRQ_INO;
+ return pbm->pbm_regs + schizo_imap_offset(ino) + 4;
+}
+
static unsigned int schizo_irq_build(struct pci_pbm_info *pbm,
struct pci_dev *pdev,
unsigned int ino)
{
- struct ino_bucket *bucket;
unsigned long imap, iclr;
- unsigned long imap_off, iclr_off;
- int pil, ign_fixup;
+ int ign_fixup;
+ int virt_irq;
ino &= PCI_IRQ_INO;
- imap_off = schizo_imap_offset(ino);
/* Now build the IRQ bucket. */
- pil = schizo_ino_to_pil(pdev, ino);
-
- if (PIL_RESERVED(pil))
- BUG();
-
- imap = pbm->pbm_regs + imap_off;
- imap += 4;
-
- iclr_off = schizo_iclr_offset(ino);
- iclr = pbm->pbm_regs + iclr_off;
- iclr += 4;
+ imap = schizo_ino_to_imap(pbm, ino);
+ iclr = schizo_ino_to_iclr(pbm, ino);
/* On Schizo, no inofixup occurs. This is because each
* INO has it's own IMAP register. On Psycho and Sabre
@@ -405,19 +313,17 @@ static unsigned int schizo_irq_build(struct pci_pbm_info *pbm,
ign_fixup = (1 << 6);
}
- bucket = __bucket(build_irq(pil, ign_fixup, iclr, imap));
- bucket->flags |= IBF_PCI;
+ virt_irq = build_irq(ign_fixup, iclr, imap);
if (pdev && pbm->chip_type == PBM_CHIP_TYPE_TOMATILLO) {
- struct irq_desc *p = bucket->irq_info;
-
- p->pre_handler = tomatillo_wsync_handler;
- p->pre_handler_arg1 = ((pbm->chip_version <= 4) ?
- (void *) 1 : (void *) 0);
- p->pre_handler_arg2 = (void *) pbm->sync_reg;
+ irq_install_pre_handler(virt_irq,
+ tomatillo_wsync_handler,
+ ((pbm->chip_version <= 4) ?
+ (void *) 1 : (void *) 0),
+ (void *) pbm->sync_reg);
}
- return __irq(bucket);
+ return virt_irq;
}
/* SCHIZO error handling support. */
@@ -458,7 +364,6 @@ struct pci_pbm_info *pbm_for_ino(struct pci_controller_info *p, u32 ino)
static void schizo_clear_other_err_intr(struct pci_controller_info *p, int irq)
{
struct pci_pbm_info *pbm;
- struct ino_bucket *bucket;
unsigned long iclr;
/* Do not clear the interrupt for the other PCI bus.
@@ -476,11 +381,11 @@ static void schizo_clear_other_err_intr(struct pci_controller_info *p, int irq)
else
pbm = &p->pbm_A;
- irq = schizo_irq_build(pbm, NULL,
- (pbm->portid << 6) | (irq & IMAP_INO));
- bucket = __bucket(irq);
- iclr = bucket->iclr;
+ schizo_irq_build(pbm, NULL,
+ (pbm->portid << 6) | (irq & IMAP_INO));
+ iclr = schizo_ino_to_iclr(pbm,
+ (pbm->portid << 6) | (irq & IMAP_INO));
upa_writel(ICLR_IDLE, iclr);
}
@@ -1225,7 +1130,6 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
{
struct pci_pbm_info *pbm;
unsigned int irq;
- struct ino_bucket *bucket;
u64 tmp, err_mask, err_no_mask;
/* Build IRQs and register handlers. */
@@ -1237,8 +1141,7 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_UE_INO));
upa_writel(tmp, (pbm->pbm_regs +
schizo_imap_offset(SCHIZO_UE_INO) + 4));
@@ -1250,8 +1153,7 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_CE_INO));
upa_writel(tmp, (pbm->pbm_regs +
schizo_imap_offset(SCHIZO_CE_INO) + 4));
@@ -1264,8 +1166,8 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, ((pbm->portid << 6) |
+ SCHIZO_PCIERR_A_INO)));
upa_writel(tmp, (pbm->pbm_regs +
schizo_imap_offset(SCHIZO_PCIERR_A_INO) + 4));
@@ -1278,8 +1180,8 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, ((pbm->portid << 6) |
+ SCHIZO_PCIERR_B_INO)));
upa_writel(tmp, (pbm->pbm_regs +
schizo_imap_offset(SCHIZO_PCIERR_B_INO) + 4));
@@ -1291,8 +1193,8 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, ((pbm->portid << 6) |
+ SCHIZO_SERR_INO)));
upa_writel(tmp, (pbm->pbm_regs +
schizo_imap_offset(SCHIZO_SERR_INO) + 4));
@@ -1363,7 +1265,6 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
{
struct pci_pbm_info *pbm;
unsigned int irq;
- struct ino_bucket *bucket;
u64 tmp, err_mask, err_no_mask;
/* Build IRQs and register handlers. */
@@ -1375,8 +1276,7 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_UE_INO));
upa_writel(tmp, (pbm->pbm_regs + schizo_imap_offset(SCHIZO_UE_INO) + 4));
pbm = pbm_for_ino(p, SCHIZO_CE_INO);
@@ -1387,8 +1287,7 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_CE_INO));
upa_writel(tmp, (pbm->pbm_regs + schizo_imap_offset(SCHIZO_CE_INO) + 4));
pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO);
@@ -1399,8 +1298,7 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_PCIERR_A_INO));
upa_writel(tmp, (pbm->pbm_regs + schizo_imap_offset(SCHIZO_PCIERR_A_INO) + 4));
pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO);
@@ -1411,8 +1309,7 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_PCIERR_B_INO));
upa_writel(tmp, (pbm->pbm_regs + schizo_imap_offset(SCHIZO_PCIERR_B_INO) + 4));
pbm = pbm_for_ino(p, SCHIZO_SERR_INO);
@@ -1423,8 +1320,7 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
pbm->name);
prom_halt();
}
- bucket = __bucket(irq);
- tmp = upa_readl(bucket->imap);
+ tmp = upa_readl(schizo_ino_to_imap(pbm, (pbm->portid << 6) | SCHIZO_SERR_INO));
upa_writel(tmp, (pbm->pbm_regs + schizo_imap_offset(SCHIZO_SERR_INO) + 4));
/* Enable UE and CE interrupts for controller. */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 07:30:12 +0000