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Diffstat (limited to 'arch/sparc64/kernel/pci_psycho.c')
-rw-r--r--arch/sparc64/kernel/pci_psycho.c165
1 files changed, 21 insertions, 144 deletions
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 5b2261ebda6..197a7ffd57e 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -18,6 +18,7 @@
#include <asm/irq.h>
#include <asm/starfire.h>
#include <asm/prom.h>
+#include <asm/of_device.h>
#include "pci_impl.h"
#include "iommu_common.h"
@@ -208,110 +209,6 @@ static struct pci_ops psycho_ops = {
.write = psycho_write_pci_cfg,
};
-/* PSYCHO interrupt mapping support. */
-#define PSYCHO_IMAP_A_SLOT0 0x0c00UL
-#define PSYCHO_IMAP_B_SLOT0 0x0c20UL
-static unsigned long psycho_pcislot_imap_offset(unsigned long ino)
-{
- unsigned int bus = (ino & 0x10) >> 4;
- unsigned int slot = (ino & 0x0c) >> 2;
-
- if (bus == 0)
- return PSYCHO_IMAP_A_SLOT0 + (slot * 8);
- else
- return PSYCHO_IMAP_B_SLOT0 + (slot * 8);
-}
-
-#define PSYCHO_IMAP_SCSI 0x1000UL
-#define PSYCHO_IMAP_ETH 0x1008UL
-#define PSYCHO_IMAP_BPP 0x1010UL
-#define PSYCHO_IMAP_AU_REC 0x1018UL
-#define PSYCHO_IMAP_AU_PLAY 0x1020UL
-#define PSYCHO_IMAP_PFAIL 0x1028UL
-#define PSYCHO_IMAP_KMS 0x1030UL
-#define PSYCHO_IMAP_FLPY 0x1038UL
-#define PSYCHO_IMAP_SHW 0x1040UL
-#define PSYCHO_IMAP_KBD 0x1048UL
-#define PSYCHO_IMAP_MS 0x1050UL
-#define PSYCHO_IMAP_SER 0x1058UL
-#define PSYCHO_IMAP_TIM0 0x1060UL
-#define PSYCHO_IMAP_TIM1 0x1068UL
-#define PSYCHO_IMAP_UE 0x1070UL
-#define PSYCHO_IMAP_CE 0x1078UL
-#define PSYCHO_IMAP_A_ERR 0x1080UL
-#define PSYCHO_IMAP_B_ERR 0x1088UL
-#define PSYCHO_IMAP_PMGMT 0x1090UL
-#define PSYCHO_IMAP_GFX 0x1098UL
-#define PSYCHO_IMAP_EUPA 0x10a0UL
-
-static unsigned long __onboard_imap_off[] = {
-/*0x20*/ PSYCHO_IMAP_SCSI,
-/*0x21*/ PSYCHO_IMAP_ETH,
-/*0x22*/ PSYCHO_IMAP_BPP,
-/*0x23*/ PSYCHO_IMAP_AU_REC,
-/*0x24*/ PSYCHO_IMAP_AU_PLAY,
-/*0x25*/ PSYCHO_IMAP_PFAIL,
-/*0x26*/ PSYCHO_IMAP_KMS,
-/*0x27*/ PSYCHO_IMAP_FLPY,
-/*0x28*/ PSYCHO_IMAP_SHW,
-/*0x29*/ PSYCHO_IMAP_KBD,
-/*0x2a*/ PSYCHO_IMAP_MS,
-/*0x2b*/ PSYCHO_IMAP_SER,
-/*0x2c*/ PSYCHO_IMAP_TIM0,
-/*0x2d*/ PSYCHO_IMAP_TIM1,
-/*0x2e*/ PSYCHO_IMAP_UE,
-/*0x2f*/ PSYCHO_IMAP_CE,
-/*0x30*/ PSYCHO_IMAP_A_ERR,
-/*0x31*/ PSYCHO_IMAP_B_ERR,
-/*0x32*/ PSYCHO_IMAP_PMGMT
-};
-#define PSYCHO_ONBOARD_IRQ_BASE 0x20
-#define PSYCHO_ONBOARD_IRQ_LAST 0x32
-#define psycho_onboard_imap_offset(__ino) \
- __onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
-
-#define PSYCHO_ICLR_A_SLOT0 0x1400UL
-#define PSYCHO_ICLR_SCSI 0x1800UL
-
-#define psycho_iclr_offset(ino) \
- ((ino & 0x20) ? (PSYCHO_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \
- (PSYCHO_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3)))
-
-static unsigned int psycho_irq_build(struct pci_pbm_info *pbm,
- struct pci_dev *pdev,
- unsigned int ino)
-{
- unsigned long imap, iclr;
- unsigned long imap_off, iclr_off;
- int inofixup = 0;
-
- ino &= PCI_IRQ_INO;
- if (ino < PSYCHO_ONBOARD_IRQ_BASE) {
- /* PCI slot */
- imap_off = psycho_pcislot_imap_offset(ino);
- } else {
- /* Onboard device */
- if (ino > PSYCHO_ONBOARD_IRQ_LAST) {
- prom_printf("psycho_irq_build: Wacky INO [%x]\n", ino);
- prom_halt();
- }
- imap_off = psycho_onboard_imap_offset(ino);
- }
-
- /* Now build the IRQ bucket. */
- imap = pbm->controller_regs + imap_off;
- imap += 4;
-
- iclr_off = psycho_iclr_offset(ino);
- iclr = pbm->controller_regs + iclr_off;
- iclr += 4;
-
- if ((ino & 0x20) == 0)
- inofixup = ino & 0x03;
-
- return build_irq(inofixup, iclr, imap);
-}
-
/* PSYCHO error handling support. */
enum psycho_error_type {
UE_ERR, CE_ERR, PCI_ERR
@@ -944,51 +841,34 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id, struct pt_regs *reg
#define PSYCHO_ECCCTRL_EE 0x8000000000000000UL /* Enable ECC Checking */
#define PSYCHO_ECCCTRL_UE 0x4000000000000000UL /* Enable UE Interrupts */
#define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */
-#define PSYCHO_UE_INO 0x2e
-#define PSYCHO_CE_INO 0x2f
-#define PSYCHO_PCIERR_A_INO 0x30
-#define PSYCHO_PCIERR_B_INO 0x31
static void psycho_register_error_handlers(struct pci_controller_info *p)
{
struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */
+ struct of_device *op = of_find_device_by_node(pbm->prom_node);
unsigned long base = p->pbm_A.controller_regs;
- unsigned int irq, portid = pbm->portid;
u64 tmp;
- /* Build IRQs and register handlers. */
- irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_UE_INO);
- if (request_irq(irq, psycho_ue_intr,
- SA_SHIRQ, "PSYCHO UE", p) < 0) {
- prom_printf("PSYCHO%d: Cannot register UE interrupt.\n",
- p->index);
- prom_halt();
- }
+ if (!op)
+ return;
- irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_CE_INO);
- if (request_irq(irq, psycho_ce_intr,
- SA_SHIRQ, "PSYCHO CE", p) < 0) {
- prom_printf("PSYCHO%d: Cannot register CE interrupt.\n",
- p->index);
- prom_halt();
- }
+ /* Psycho interrupt property order is:
+ * 0: PCIERR PBM B INO
+ * 1: UE ERR
+ * 2: CE ERR
+ * 3: POWER FAIL
+ * 4: SPARE HARDWARE
+ * 5: PCIERR PBM A INO
+ */
- pbm = &p->pbm_A;
- irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_PCIERR_A_INO);
- if (request_irq(irq, psycho_pcierr_intr,
- SA_SHIRQ, "PSYCHO PCIERR", &p->pbm_A) < 0) {
- prom_printf("PSYCHO%d(PBMA): Cannot register PciERR interrupt.\n",
- p->index);
- prom_halt();
- }
+ if (op->num_irqs < 6)
+ return;
- pbm = &p->pbm_B;
- irq = psycho_irq_build(pbm, NULL, (portid << 6) | PSYCHO_PCIERR_B_INO);
- if (request_irq(irq, psycho_pcierr_intr,
- SA_SHIRQ, "PSYCHO PCIERR", &p->pbm_B) < 0) {
- prom_printf("PSYCHO%d(PBMB): Cannot register PciERR interrupt.\n",
- p->index);
- prom_halt();
- }
+ request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO UE", p);
+ request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO CE", p);
+ request_irq(op->irqs[5], psycho_pcierr_intr, IRQF_SHARED,
+ "PSYCHO PCIERR-A", &p->pbm_A);
+ request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED,
+ "PSYCHO PCIERR-B", &p->pbm_B);
/* Enable UE and CE interrupts for controller. */
psycho_write(base + PSYCHO_ECC_CTRL,
@@ -1171,9 +1051,7 @@ static void psycho_iommu_init(struct pci_controller_info *p)
/* If necessary, hook us up for starfire IRQ translations. */
if (this_is_starfire)
- p->starfire_cookie = starfire_hookup(p->pbm_A.portid);
- else
- p->starfire_cookie = NULL;
+ starfire_hookup(p->pbm_A.portid);
}
#define PSYCHO_IRQ_RETRY 0x1a00UL
@@ -1408,7 +1286,6 @@ void psycho_init(struct device_node *dp, char *model_name)
p->index = pci_num_controllers++;
p->pbms_same_domain = 0;
p->scan_bus = psycho_scan_bus;
- p->irq_build = psycho_irq_build;
p->base_address_update = psycho_base_address_update;
p->resource_adjust = psycho_resource_adjust;
p->pci_ops = &psycho_ops;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 02:00:44 +0000