Commit b20bfe41 authored by David S. Miller's avatar David S. Miller

sparc64: Convert PSYCHO PCI controller driver into a real driver.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3822b509
...@@ -166,7 +166,6 @@ void pci_config_write32(u32 *addr, u32 val) ...@@ -166,7 +166,6 @@ void pci_config_write32(u32 *addr, u32 val)
/* Probe for all PCI controllers in the system. */ /* Probe for all PCI controllers in the system. */
extern void sabre_init(struct device_node *, const char *); extern void sabre_init(struct device_node *, const char *);
extern void psycho_init(struct device_node *, const char *);
extern void fire_pci_init(struct device_node *, const char *); extern void fire_pci_init(struct device_node *, const char *);
static struct { static struct {
...@@ -176,8 +175,6 @@ static struct { ...@@ -176,8 +175,6 @@ static struct {
{ "SUNW,sabre", sabre_init }, { "SUNW,sabre", sabre_init },
{ "pci108e,a000", sabre_init }, { "pci108e,a000", sabre_init },
{ "pci108e,a001", sabre_init }, { "pci108e,a001", sabre_init },
{ "SUNW,psycho", psycho_init },
{ "pci108e,8000", psycho_init },
{ "pciex108e,80f0", fire_pci_init }, { "pciex108e,80f0", fire_pci_init },
}; };
#define PCI_NUM_CONTROLLER_TYPES ARRAY_SIZE(pci_controller_table) #define PCI_NUM_CONTROLLER_TYPES ARRAY_SIZE(pci_controller_table)
......
...@@ -17,11 +17,13 @@ ...@@ -17,11 +17,13 @@
#include <asm/irq.h> #include <asm/irq.h>
#include <asm/starfire.h> #include <asm/starfire.h>
#include <asm/prom.h> #include <asm/prom.h>
#include <asm/oplib.h>
#include "pci_impl.h" #include "pci_impl.h"
#include "iommu_common.h" #include "iommu_common.h"
#define DRIVER_NAME "psycho"
#define PFX DRIVER_NAME ": "
/* All PSYCHO registers are 64-bits. The following accessor /* All PSYCHO registers are 64-bits. The following accessor
* routines are how they are accessed. The REG parameter * routines are how they are accessed. The REG parameter
* is a physical address. * is a physical address.
...@@ -840,7 +842,7 @@ static int psycho_iommu_init(struct pci_pbm_info *pbm) ...@@ -840,7 +842,7 @@ static int psycho_iommu_init(struct pci_pbm_info *pbm)
control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL); control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL);
control |= PSYCHO_IOMMU_CTRL_DENAB; control |= PSYCHO_IOMMU_CTRL_DENAB;
psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control); psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control);
for(i = 0; i < 16; i++) { for (i = 0; i < 16; i++) {
psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0); psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0);
psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0); psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0);
} }
...@@ -850,8 +852,10 @@ static int psycho_iommu_init(struct pci_pbm_info *pbm) ...@@ -850,8 +852,10 @@ static int psycho_iommu_init(struct pci_pbm_info *pbm)
*/ */
err = iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff, err = iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff,
pbm->numa_node); pbm->numa_node);
if (err) if (err) {
printk(KERN_ERR PFX "iommu_table_init() fails\n");
return err; return err;
}
psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE, psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE,
__pa(iommu->page_table)); __pa(iommu->page_table));
...@@ -982,7 +986,6 @@ static void __init psycho_pbm_init(struct pci_controller_info *p, ...@@ -982,7 +986,6 @@ static void __init psycho_pbm_init(struct pci_controller_info *p,
pbm->numa_node = -1; pbm->numa_node = -1;
pbm->scan_bus = psycho_scan_bus;
pbm->pci_ops = &sun4u_pci_ops; pbm->pci_ops = &sun4u_pci_ops;
pbm->config_space_reg_bits = 8; pbm->config_space_reg_bits = 8;
...@@ -1002,7 +1005,7 @@ static void __init psycho_pbm_init(struct pci_controller_info *p, ...@@ -1002,7 +1005,7 @@ static void __init psycho_pbm_init(struct pci_controller_info *p,
pbm->prom_node = dp; pbm->prom_node = dp;
pbm->name = dp->full_name; pbm->name = dp->full_name;
printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n", printk(KERN_INFO "%s: PSYCHO PCI Bus Module ver[%x:%x]\n",
pbm->name, pbm->name,
pbm->chip_version, pbm->chip_revision); pbm->chip_version, pbm->chip_revision);
...@@ -1011,24 +1014,28 @@ static void __init psycho_pbm_init(struct pci_controller_info *p, ...@@ -1011,24 +1014,28 @@ static void __init psycho_pbm_init(struct pci_controller_info *p,
pci_get_pbm_props(pbm); pci_get_pbm_props(pbm);
psycho_pbm_strbuf_init(pbm, is_pbm_a); psycho_pbm_strbuf_init(pbm, is_pbm_a);
psycho_scan_bus(pbm);
} }
#define PSYCHO_CONFIGSPACE 0x001000000UL #define PSYCHO_CONFIGSPACE 0x001000000UL
void __init psycho_init(struct device_node *dp, char *model_name) static int __devinit psycho_probe(struct of_device *op,
const struct of_device_id *match)
{ {
struct linux_prom64_registers *pr_regs; const struct linux_prom64_registers *pr_regs;
struct device_node *dp = op->node;
struct pci_controller_info *p; struct pci_controller_info *p;
struct pci_pbm_info *pbm; struct pci_pbm_info *pbm;
struct iommu *iommu; struct iommu *iommu;
struct property *prop; int is_pbm_a, err;
const u32 *p32;
u32 upa_portid; u32 upa_portid;
int is_pbm_a;
upa_portid = 0xff; upa_portid = 0xff;
prop = of_find_property(dp, "upa-portid", NULL); p32 = of_get_property(dp, "upa-portid", NULL);
if (prop) if (p32)
upa_portid = *(u32 *) prop->value; upa_portid = *p32;
for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
struct pci_controller_info *p = pbm->parent; struct pci_controller_info *p = pbm->parent;
...@@ -1036,24 +1043,34 @@ void __init psycho_init(struct device_node *dp, char *model_name) ...@@ -1036,24 +1043,34 @@ void __init psycho_init(struct device_node *dp, char *model_name)
if (p->pbm_A.portid == upa_portid) { if (p->pbm_A.portid == upa_portid) {
is_pbm_a = (p->pbm_A.prom_node == NULL); is_pbm_a = (p->pbm_A.prom_node == NULL);
psycho_pbm_init(p, dp, is_pbm_a); psycho_pbm_init(p, dp, is_pbm_a);
return; return 0;
} }
} }
err = -ENOMEM;
p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC);
if (!p) if (!p) {
goto fatal_memory_error; printk(KERN_ERR PFX "Cannot allocate controller info.\n");
goto out_free;
}
iommu = kzalloc(sizeof(struct iommu), GFP_ATOMIC); iommu = kzalloc(sizeof(struct iommu), GFP_ATOMIC);
if (!iommu) if (!iommu) {
goto fatal_memory_error; printk(KERN_ERR PFX "Cannot allocate PBM iommu.\n");
goto out_free;
}
p->pbm_A.iommu = p->pbm_B.iommu = iommu; p->pbm_A.iommu = p->pbm_B.iommu = iommu;
p->pbm_A.portid = upa_portid; p->pbm_A.portid = upa_portid;
p->pbm_B.portid = upa_portid; p->pbm_B.portid = upa_portid;
prop = of_find_property(dp, "reg", NULL); pr_regs = of_get_property(dp, "reg", NULL);
pr_regs = prop->value; err = -ENODEV;
if (!pr_regs) {
printk(KERN_ERR PFX "No reg property.\n");
goto out_free;
}
p->pbm_A.controller_regs = pr_regs[2].phys_addr; p->pbm_A.controller_regs = pr_regs[2].phys_addr;
p->pbm_B.controller_regs = pr_regs[2].phys_addr; p->pbm_B.controller_regs = pr_regs[2].phys_addr;
...@@ -1063,14 +1080,42 @@ void __init psycho_init(struct device_node *dp, char *model_name) ...@@ -1063,14 +1080,42 @@ void __init psycho_init(struct device_node *dp, char *model_name)
psycho_controller_hwinit(&p->pbm_A); psycho_controller_hwinit(&p->pbm_A);
if (psycho_iommu_init(&p->pbm_A)) err = psycho_iommu_init(&p->pbm_A);
goto fatal_memory_error; if (err)
goto out_free;
is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000);
psycho_pbm_init(p, dp, is_pbm_a); psycho_pbm_init(p, dp, is_pbm_a);
return;
fatal_memory_error: return 0;
prom_printf("PSYCHO: Fatal memory allocation error.\n");
prom_halt(); out_free:
if (p) {
if (p->pbm_A.iommu)
kfree(p->pbm_A.iommu);
kfree(p);
}
return err;
}
static struct of_device_id psycho_match[] = {
{
.name = "pci",
.compatible = "pci108e,8000",
},
{},
};
static struct of_platform_driver psycho_driver = {
.name = DRIVER_NAME,
.match_table = psycho_match,
.probe = psycho_probe,
};
static int __init psycho_init(void)
{
return of_register_driver(&psycho_driver, &of_bus_type);
} }
subsys_initcall(psycho_init);
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