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Diffstat (limited to 'arch/sparc64/kernel/sbus.c')
-rw-r--r--arch/sparc64/kernel/sbus.c122
1 files changed, 64 insertions, 58 deletions
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 1d6ffdeabd4..c49a5779574 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -19,6 +19,7 @@
#include <asm/cache.h>
#include <asm/dma.h>
#include <asm/irq.h>
+#include <asm/prom.h>
#include <asm/starfire.h>
#include "iommu_common.h"
@@ -691,36 +692,6 @@ void sbus_set_sbus64(struct sbus_dev *sdev, int bursts)
upa_writeq(val, cfg_reg);
}
-/* SBUS SYSIO INO number to Sparc PIL level. */
-static unsigned char sysio_ino_to_pil[] = {
- 0, 5, 5, 7, 5, 7, 8, 9, /* SBUS slot 0 */
- 0, 5, 5, 7, 5, 7, 8, 9, /* SBUS slot 1 */
- 0, 5, 5, 7, 5, 7, 8, 9, /* SBUS slot 2 */
- 0, 5, 5, 7, 5, 7, 8, 9, /* SBUS slot 3 */
- 5, /* Onboard SCSI */
- 5, /* Onboard Ethernet */
-/*XXX*/ 8, /* Onboard BPP */
- 0, /* Bogon */
- 13, /* Audio */
-/*XXX*/15, /* PowerFail */
- 0, /* Bogon */
- 0, /* Bogon */
- 12, /* Zilog Serial Channels (incl. Keyboard/Mouse lines) */
- 11, /* Floppy */
- 0, /* Spare Hardware (bogon for now) */
- 0, /* Keyboard (bogon for now) */
- 0, /* Mouse (bogon for now) */
- 0, /* Serial (bogon for now) */
- 0, 0, /* Bogon, Bogon */
- 10, /* Timer 0 */
- 11, /* Timer 1 */
- 0, 0, /* Bogon, Bogon */
- 15, /* Uncorrectable SBUS Error */
- 15, /* Correctable SBUS Error */
- 15, /* SBUS Error */
-/*XXX*/ 0, /* Power Management (bogon for now) */
-};
-
/* INO number to IMAP register offset for SYSIO external IRQ's.
* This should conform to both Sunfire/Wildfire server and Fusion
* desktop designs.
@@ -812,21 +783,12 @@ unsigned int sbus_build_irq(void *buscookie, unsigned int ino)
struct sbus_iommu *iommu = sbus->iommu;
unsigned long reg_base = iommu->sbus_control_reg - 0x2000UL;
unsigned long imap, iclr;
- int pil, sbus_level = 0;
-
- pil = sysio_ino_to_pil[ino];
- if (!pil) {
- printk("sbus_irq_build: Bad SYSIO INO[%x]\n", ino);
- panic("Bad SYSIO IRQ translations...");
- }
-
- if (PIL_RESERVED(pil))
- BUG();
+ int sbus_level = 0;
imap = sysio_irq_offsets[ino];
if (imap == ((unsigned long)-1)) {
- prom_printf("get_irq_translations: Bad SYSIO INO[%x] cpu[%d]\n",
- ino, pil);
+ prom_printf("get_irq_translations: Bad SYSIO INO[%x]\n",
+ ino);
prom_halt();
}
imap += reg_base;
@@ -860,7 +822,7 @@ unsigned int sbus_build_irq(void *buscookie, unsigned int ino)
iclr += ((unsigned long)sbus_level - 1UL) * 8UL;
}
- return build_irq(pil, sbus_level, iclr, imap);
+ return build_irq(sbus_level, iclr, imap);
}
/* Error interrupt handling. */
@@ -1103,7 +1065,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
irq = sbus_build_irq(sbus, SYSIO_UE_INO);
if (request_irq(irq, sysio_ue_handler,
- SA_SHIRQ, "SYSIO UE", sbus) < 0) {
+ IRQF_SHARED, "SYSIO UE", sbus) < 0) {
prom_printf("SYSIO[%x]: Cannot register UE interrupt.\n",
sbus->portid);
prom_halt();
@@ -1111,7 +1073,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
irq = sbus_build_irq(sbus, SYSIO_CE_INO);
if (request_irq(irq, sysio_ce_handler,
- SA_SHIRQ, "SYSIO CE", sbus) < 0) {
+ IRQF_SHARED, "SYSIO CE", sbus) < 0) {
prom_printf("SYSIO[%x]: Cannot register CE interrupt.\n",
sbus->portid);
prom_halt();
@@ -1119,7 +1081,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
irq = sbus_build_irq(sbus, SYSIO_SBUSERR_INO);
if (request_irq(irq, sysio_sbus_error_handler,
- SA_SHIRQ, "SYSIO SBUS Error", sbus) < 0) {
+ IRQF_SHARED, "SYSIO SBUS Error", sbus) < 0) {
prom_printf("SYSIO[%x]: Cannot register SBUS Error interrupt.\n",
sbus->portid);
prom_halt();
@@ -1137,24 +1099,25 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
}
/* Boot time initialization. */
-void __init sbus_iommu_init(int prom_node, struct sbus_bus *sbus)
+static void __init sbus_iommu_init(int __node, struct sbus_bus *sbus)
{
- struct linux_prom64_registers rprop;
+ struct linux_prom64_registers *pr;
+ struct device_node *dp;
struct sbus_iommu *iommu;
unsigned long regs, tsb_base;
u64 control;
- int err, i;
+ int i;
- sbus->portid = prom_getintdefault(sbus->prom_node,
- "upa-portid", -1);
+ dp = of_find_node_by_phandle(__node);
- err = prom_getproperty(prom_node, "reg",
- (char *)&rprop, sizeof(rprop));
- if (err < 0) {
+ sbus->portid = of_getintprop_default(dp, "upa-portid", -1);
+
+ pr = of_get_property(dp, "reg", NULL);
+ if (!pr) {
prom_printf("sbus_iommu_init: Cannot map SYSIO control registers.\n");
prom_halt();
}
- regs = rprop.phys_addr;
+ regs = pr->phys_addr;
iommu = kmalloc(sizeof(*iommu) + SMP_CACHE_BYTES, GFP_ATOMIC);
if (iommu == NULL) {
@@ -1258,9 +1221,52 @@ void __init sbus_iommu_init(int prom_node, struct sbus_bus *sbus)
/* Now some Xfire specific grot... */
if (this_is_starfire)
- sbus->starfire_cookie = starfire_hookup(sbus->portid);
- else
- sbus->starfire_cookie = NULL;
+ starfire_hookup(sbus->portid);
sysio_register_error_handlers(sbus);
}
+
+void sbus_fill_device_irq(struct sbus_dev *sdev)
+{
+ struct device_node *dp = of_find_node_by_phandle(sdev->prom_node);
+ struct linux_prom_irqs *irqs;
+
+ irqs = of_get_property(dp, "interrupts", NULL);
+ if (!irqs) {
+ sdev->irqs[0] = 0;
+ sdev->num_irqs = 0;
+ } else {
+ unsigned int pri = irqs[0].pri;
+
+ sdev->num_irqs = 1;
+ if (pri < 0x20)
+ pri += sdev->slot * 8;
+
+ sdev->irqs[0] = sbus_build_irq(sdev->bus, pri);
+ }
+}
+
+void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
+{
+}
+
+void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
+{
+ sbus_iommu_init(dp->node, sbus);
+}
+
+void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp)
+{
+}
+
+int __init sbus_arch_preinit(void)
+{
+ return 0;
+}
+
+void __init sbus_arch_postinit(void)
+{
+ extern void firetruck_init(void);
+
+ firetruck_init();
+}
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