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[SPARC64]: Kill sun4v virtual device layer.
Replace with a simple IRQ translater in the PROM device tree builder. Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
93872ba21d
commit
6e990b50ed
@ -21,8 +21,6 @@
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#include <asm/spitfire.h>
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#include <asm/timer.h>
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#include <asm/cpudata.h>
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#include <asm/vdev.h>
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#include <asm/irq.h>
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/* Used to synchronize acceses to NatSemi SUPER I/O chip configure
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* operations in asm/ns87303.h
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@ -32,100 +30,6 @@ DEFINE_SPINLOCK(ns87303_lock);
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extern void cpu_probe(void);
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extern void central_probe(void);
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u32 sun4v_vdev_devhandle;
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struct device_node *sun4v_vdev_root;
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struct vdev_intmap {
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unsigned int phys;
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unsigned int irq;
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unsigned int cnode;
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unsigned int cinterrupt;
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};
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struct vdev_intmask {
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unsigned int phys;
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unsigned int interrupt;
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unsigned int __unused;
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};
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static struct vdev_intmap *vdev_intmap;
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static int vdev_num_intmap;
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static struct vdev_intmask *vdev_intmask;
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static void __init sun4v_virtual_device_probe(void)
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{
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struct linux_prom64_registers *regs;
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struct property *prop;
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struct device_node *dp;
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int sz;
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if (tlb_type != hypervisor)
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return;
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dp = of_find_node_by_name(NULL, "virtual-devices");
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if (!dp) {
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prom_printf("SUN4V: Fatal error, no virtual-devices node.\n");
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prom_halt();
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}
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sun4v_vdev_root = dp;
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prop = of_find_property(dp, "reg", NULL);
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regs = prop->value;
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sun4v_vdev_devhandle = (regs[0].phys_addr >> 32UL) & 0x0fffffff;
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prop = of_find_property(dp, "interrupt-map", &sz);
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vdev_intmap = prop->value;
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vdev_num_intmap = sz / sizeof(struct vdev_intmap);
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prop = of_find_property(dp, "interrupt-map-mask", NULL);
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vdev_intmask = prop->value;
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printk("%s: Virtual Device Bus devhandle[%x]\n",
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dp->full_name, sun4v_vdev_devhandle);
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}
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unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node)
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{
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struct property *prop;
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unsigned int irq, reg;
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int i;
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prop = of_find_property(dev_node, "interrupts", NULL);
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if (!prop) {
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printk("VDEV: Cannot get \"interrupts\" "
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"property for OBP node %s\n",
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dev_node->full_name);
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return 0;
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}
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irq = *(unsigned int *) prop->value;
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prop = of_find_property(dev_node, "reg", NULL);
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if (!prop) {
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printk("VDEV: Cannot get \"reg\" "
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"property for OBP node %s\n",
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dev_node->full_name);
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return 0;
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}
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reg = *(unsigned int *) prop->value;
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for (i = 0; i < vdev_num_intmap; i++) {
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if (vdev_intmap[i].phys == (reg & vdev_intmask->phys) &&
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vdev_intmap[i].irq == (irq & vdev_intmask->interrupt)) {
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irq = vdev_intmap[i].cinterrupt;
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break;
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}
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}
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if (i == vdev_num_intmap) {
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printk("VDEV: No matching interrupt map entry "
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"for OBP node %s\n", dev_node->full_name);
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return 0;
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}
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return sun4v_build_irq(sun4v_vdev_devhandle, irq);
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}
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static const char *cpu_mid_prop(void)
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{
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if (tlb_type == spitfire)
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@ -290,7 +194,6 @@ void __init device_scan(void)
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}
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#endif
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sun4v_virtual_device_probe();
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central_probe();
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cpu_probe();
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@ -1008,6 +1008,27 @@ static struct irq_trans pci_irq_trans_table[] = {
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};
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#endif
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static unsigned int sun4v_vdev_irq_build(struct device_node *dp,
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unsigned int devino,
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void *_data)
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{
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u32 devhandle = (u32) (unsigned long) _data;
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return sun4v_build_irq(devhandle, devino);
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}
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static void sun4v_vdev_irq_trans_init(struct device_node *dp)
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{
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struct linux_prom64_registers *regs;
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dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller));
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dp->irq_trans->irq_build = sun4v_vdev_irq_build;
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regs = of_get_property(dp, "reg", NULL);
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dp->irq_trans->data = (void *) (unsigned long)
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((regs->phys_addr >> 32UL) & 0x0fffffff);
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}
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static void irq_trans_init(struct device_node *dp)
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{
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const char *model;
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@ -1034,6 +1055,8 @@ static void irq_trans_init(struct device_node *dp)
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#endif
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if (!strcmp(dp->name, "central"))
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return central_irq_trans_init(dp->child);
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if (!strcmp(dp->name, "virtual-devices"))
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return sun4v_vdev_irq_trans_init(dp);
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}
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static int is_root_node(const struct device_node *dp)
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@ -1,17 +0,0 @@
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/* vdev.h: SUN4V virtual device interfaces and defines.
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*
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* Copyright (C) 2006 David S. Miller <davem@davemloft.net>
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*/
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#ifndef _SPARC64_VDEV_H
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#define _SPARC64_VDEV_H
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#include <linux/types.h>
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#include <asm/prom.h>
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extern u32 sun4v_vdev_devhandle;
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extern struct device_node *sun4v_vdev_root;
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extern unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node);
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#endif /* !(_SPARC64_VDEV_H) */
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