fore200e: Convert over to pure OF driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 7213590..c2fa9fd 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -47,8 +47,9 @@
#include <asm/atomic.h>
#ifdef CONFIG_SBUS
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <asm/idprom.h>
-#include <asm/sbus.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/pgtable.h>
@@ -661,263 +662,189 @@
#ifdef CONFIG_SBUS
-static u32
-fore200e_sba_read(volatile u32 __iomem *addr)
+static u32 fore200e_sba_read(volatile u32 __iomem *addr)
{
return sbus_readl(addr);
}
-
-static void
-fore200e_sba_write(u32 val, volatile u32 __iomem *addr)
+static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr)
{
sbus_writel(val, addr);
}
-
-static u32
-fore200e_sba_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction)
+static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction)
{
- struct sbus_dev *sdev = fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
- u32 dma_addr = dma_map_single(dev, virt_addr, size, direction);
+ struct of_device *op = fore200e->bus_dev;
+ u32 dma_addr;
- DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n",
- virt_addr, size, direction, dma_addr);
+ dma_addr = dma_map_single(&op->dev, virt_addr, size, direction);
+
+ DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n",
+ virt_addr, size, direction, dma_addr);
- return dma_addr;
+ return dma_addr;
}
-
-static void
-fore200e_sba_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
+static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct sbus_dev *sdev = fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
+ struct of_device *op = fore200e->bus_dev;
- DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n",
- dma_addr, size, direction);
+ DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n",
+ dma_addr, size, direction);
- dma_unmap_single(dev, dma_addr, size, direction);
+ dma_unmap_single(&op->dev, dma_addr, size, direction);
}
-
-static void
-fore200e_sba_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
+static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct sbus_dev *sdev = fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
+ struct of_device *op = fore200e->bus_dev;
- DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
+ DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
- dma_sync_single_for_cpu(dev, dma_addr, size, direction);
+ dma_sync_single_for_cpu(&op->dev, dma_addr, size, direction);
}
-static void
-fore200e_sba_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction)
+static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct sbus_dev *sdev = fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
+ struct of_device *op = fore200e->bus_dev;
- DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
+ DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
- dma_sync_single_for_device(dev, dma_addr, size, direction);
+ dma_sync_single_for_device(&op->dev, dma_addr, size, direction);
}
-
-/* allocate a DVMA consistent chunk of memory intended to act as a communication mechanism
- (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */
-
-static int
-fore200e_sba_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk,
- int size, int nbr, int alignment)
+/* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism
+ * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter.
+ */
+static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk,
+ int size, int nbr, int alignment)
{
- struct sbus_dev *sdev = (struct sbus_dev *) fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
+ struct of_device *op = fore200e->bus_dev;
- chunk->alloc_size = chunk->align_size = size * nbr;
+ chunk->alloc_size = chunk->align_size = size * nbr;
- /* returned chunks are page-aligned */
- chunk->alloc_addr = dma_alloc_coherent(dev, chunk->alloc_size,
- &chunk->dma_addr, GFP_ATOMIC);
+ /* returned chunks are page-aligned */
+ chunk->alloc_addr = dma_alloc_coherent(&op->dev, chunk->alloc_size,
+ &chunk->dma_addr, GFP_ATOMIC);
- if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0))
- return -ENOMEM;
+ if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0))
+ return -ENOMEM;
- chunk->align_addr = chunk->alloc_addr;
+ chunk->align_addr = chunk->alloc_addr;
- return 0;
+ return 0;
}
-
/* free a DVMA consistent chunk of memory */
-
-static void
-fore200e_sba_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk)
+static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk)
{
- struct sbus_dev *sdev = (struct sbus_dev *) fore200e->bus_dev;
- struct device *dev = &sdev->ofdev.dev;
+ struct of_device *op = fore200e->bus_dev;
- dma_free_coherent(dev, chunk->alloc_size,
- chunk->alloc_addr, chunk->dma_addr);
+ dma_free_coherent(&op->dev, chunk->alloc_size,
+ chunk->alloc_addr, chunk->dma_addr);
}
-
-static void
-fore200e_sba_irq_enable(struct fore200e* fore200e)
+static void fore200e_sba_irq_enable(struct fore200e *fore200e)
{
- u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY;
- fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr);
+ u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY;
+ fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr);
}
-
-static int
-fore200e_sba_irq_check(struct fore200e* fore200e)
+static int fore200e_sba_irq_check(struct fore200e *fore200e)
{
- return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ;
+ return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ;
}
-
-static void
-fore200e_sba_irq_ack(struct fore200e* fore200e)
+static void fore200e_sba_irq_ack(struct fore200e *fore200e)
{
- u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY;
- fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr);
+ u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY;
+ fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr);
}
-
-static void
-fore200e_sba_reset(struct fore200e* fore200e)
+static void fore200e_sba_reset(struct fore200e *fore200e)
{
- fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr);
- fore200e_spin(10);
- fore200e->bus->write(0, fore200e->regs.sba.hcr);
+ fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr);
+ fore200e_spin(10);
+ fore200e->bus->write(0, fore200e->regs.sba.hcr);
}
-
-static int __init
-fore200e_sba_map(struct fore200e* fore200e)
+static int __init fore200e_sba_map(struct fore200e *fore200e)
{
- struct sbus_dev* sbus_dev = (struct sbus_dev*)fore200e->bus_dev;
- unsigned int bursts;
+ struct of_device *op = fore200e->bus_dev;
+ unsigned int bursts;
- /* gain access to the SBA specific registers */
- fore200e->regs.sba.hcr = sbus_ioremap(&sbus_dev->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR");
- fore200e->regs.sba.bsr = sbus_ioremap(&sbus_dev->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR");
- fore200e->regs.sba.isr = sbus_ioremap(&sbus_dev->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR");
- fore200e->virt_base = sbus_ioremap(&sbus_dev->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM");
+ /* gain access to the SBA specific registers */
+ fore200e->regs.sba.hcr = of_ioremap(&op->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR");
+ fore200e->regs.sba.bsr = of_ioremap(&op->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR");
+ fore200e->regs.sba.isr = of_ioremap(&op->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR");
+ fore200e->virt_base = of_ioremap(&op->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM");
- if (fore200e->virt_base == NULL) {
- printk(FORE200E "unable to map RAM of device %s\n", fore200e->name);
- return -EFAULT;
- }
-
- DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base);
-
- fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */
-
- /* get the supported DVMA burst sizes */
- bursts = prom_getintdefault(sbus_dev->bus->prom_node, "burst-sizes", 0x00);
-
- if (sbus_can_dma_64bit())
- sbus_set_sbus64(&sbus_dev->ofdev.dev, bursts);
-
- fore200e->state = FORE200E_STATE_MAP;
- return 0;
-}
-
-
-static void
-fore200e_sba_unmap(struct fore200e* fore200e)
-{
- sbus_iounmap(fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH);
- sbus_iounmap(fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH);
- sbus_iounmap(fore200e->regs.sba.isr, SBA200E_ISR_LENGTH);
- sbus_iounmap(fore200e->virt_base, SBA200E_RAM_LENGTH);
-}
-
-
-static int __init
-fore200e_sba_configure(struct fore200e* fore200e)
-{
- fore200e->state = FORE200E_STATE_CONFIGURE;
- return 0;
-}
-
-
-static struct fore200e* __init
-fore200e_sba_detect(const struct fore200e_bus* bus, int index)
-{
- struct fore200e* fore200e;
- struct sbus_bus* sbus_bus;
- struct sbus_dev* sbus_dev = NULL;
-
- unsigned int count = 0;
-
- for_each_sbus (sbus_bus) {
- for_each_sbusdev (sbus_dev, sbus_bus) {
- if (strcmp(sbus_dev->prom_name, SBA200E_PROM_NAME) == 0) {
- if (count >= index)
- goto found;
- count++;
- }
+ if (!fore200e->virt_base) {
+ printk(FORE200E "unable to map RAM of device %s\n", fore200e->name);
+ return -EFAULT;
}
- }
- return NULL;
+
+ DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base);
- found:
- if (sbus_dev->num_registers != 4) {
- printk(FORE200E "this %s device has %d instead of 4 registers\n",
- bus->model_name, sbus_dev->num_registers);
- return NULL;
- }
+ fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */
- fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL);
- if (fore200e == NULL)
- return NULL;
+ /* get the supported DVMA burst sizes */
+ bursts = of_getintprop_default(op->node->parent, "burst-sizes", 0x00);
- fore200e->bus = bus;
- fore200e->bus_dev = sbus_dev;
- fore200e->irq = sbus_dev->irqs[ 0 ];
+ if (sbus_can_dma_64bit())
+ sbus_set_sbus64(&op->dev, bursts);
- fore200e->phys_base = (unsigned long)sbus_dev;
-
- sprintf(fore200e->name, "%s-%d", bus->model_name, index - 1);
-
- return fore200e;
+ fore200e->state = FORE200E_STATE_MAP;
+ return 0;
}
-
-static int __init
-fore200e_sba_prom_read(struct fore200e* fore200e, struct prom_data* prom)
+static void fore200e_sba_unmap(struct fore200e *fore200e)
{
- struct sbus_dev* sbus_dev = (struct sbus_dev*) fore200e->bus_dev;
- int len;
+ struct of_device *op = fore200e->bus_dev;
- len = prom_getproperty(sbus_dev->prom_node, "macaddrlo2", &prom->mac_addr[ 4 ], 4);
- if (len < 0)
- return -EBUSY;
-
- len = prom_getproperty(sbus_dev->prom_node, "macaddrhi4", &prom->mac_addr[ 2 ], 4);
- if (len < 0)
- return -EBUSY;
-
- prom_getproperty(sbus_dev->prom_node, "serialnumber",
- (char*)&prom->serial_number, sizeof(prom->serial_number));
-
- prom_getproperty(sbus_dev->prom_node, "promversion",
- (char*)&prom->hw_revision, sizeof(prom->hw_revision));
-
- return 0;
+ of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH);
+ of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH);
+ of_iounmap(&op->resource[2], fore200e->regs.sba.isr, SBA200E_ISR_LENGTH);
+ of_iounmap(&op->resource[3], fore200e->virt_base, SBA200E_RAM_LENGTH);
}
-
-static int
-fore200e_sba_proc_read(struct fore200e* fore200e, char *page)
+static int __init fore200e_sba_configure(struct fore200e *fore200e)
{
- struct sbus_dev* sbus_dev = (struct sbus_dev*)fore200e->bus_dev;
+ fore200e->state = FORE200E_STATE_CONFIGURE;
+ return 0;
+}
- return sprintf(page, " SBUS slot/device:\t\t%d/'%s'\n", sbus_dev->slot, sbus_dev->prom_name);
+static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom)
+{
+ struct of_device *op = fore200e->bus_dev;
+ const u8 *prop;
+ int len;
+
+ prop = of_get_property(op->node, "madaddrlo2", &len);
+ if (!prop)
+ return -ENODEV;
+ memcpy(&prom->mac_addr[4], prop, 4);
+
+ prop = of_get_property(op->node, "madaddrhi4", &len);
+ if (!prop)
+ return -ENODEV;
+ memcpy(&prom->mac_addr[2], prop, 4);
+
+ prom->serial_number = of_getintprop_default(op->node, "serialnumber", 0);
+ prom->hw_revision = of_getintprop_default(op->node, "promversion", 0);
+
+ return 0;
+}
+
+static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page)
+{
+ struct of_device *op = fore200e->bus_dev;
+ const struct linux_prom_registers *regs;
+
+ regs = of_get_property(op->node, "reg", NULL);
+
+ return sprintf(page, " SBUS slot/device:\t\t%d/'%s'\n",
+ (regs ? regs->which_io : 0), op->node->name);
}
#endif /* CONFIG_SBUS */
@@ -2586,7 +2513,7 @@
device = &((struct pci_dev *) fore200e->bus_dev)->dev;
#ifdef CONFIG_SBUS
else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0)
- device = &((struct sbus_dev *) fore200e->bus_dev)->ofdev.dev;
+ device = &((struct of_device *) fore200e->bus_dev)->dev;
#endif
else
return err;
@@ -2715,6 +2642,66 @@
return 0;
}
+#ifdef CONFIG_SBUS
+static int __devinit fore200e_sba_probe(struct of_device *op,
+ const struct of_device_id *match)
+{
+ const struct fore200e_bus *bus = match->data;
+ struct fore200e *fore200e;
+ static int index = 0;
+ int err;
+
+ fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL);
+ if (!fore200e)
+ return -ENOMEM;
+
+ fore200e->bus = bus;
+ fore200e->bus_dev = op;
+ fore200e->irq = op->irqs[0];
+ fore200e->phys_base = op->resource[0].start;
+
+ sprintf(fore200e->name, "%s-%d", bus->model_name, index);
+
+ err = fore200e_init(fore200e);
+ if (err < 0) {
+ fore200e_shutdown(fore200e);
+ kfree(fore200e);
+ return err;
+ }
+
+ index++;
+ dev_set_drvdata(&op->dev, fore200e);
+
+ return 0;
+}
+
+static int __devexit fore200e_sba_remove(struct of_device *op)
+{
+ struct fore200e *fore200e = dev_get_drvdata(&op->dev);
+
+ fore200e_shutdown(fore200e);
+ kfree(fore200e);
+
+ return 0;
+}
+
+static struct of_device_id fore200e_sba_match[] = {
+ {
+ .name = SBA200E_PROM_NAME,
+ .data = (void *) &fore200e_bus[1],
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, fore200e_sba_match);
+
+static struct of_platform_driver fore200e_sba_driver = {
+ .name = "fore_200e",
+ .match_table = fore200e_sba_match,
+ .probe = fore200e_sba_probe,
+ .remove = __devexit_p(fore200e_sba_remove),
+};
+#endif
+
#ifdef CONFIG_PCI
static int __devinit
fore200e_pca_detect(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent)
@@ -2798,66 +2785,39 @@
};
#endif
-
-static int __init
-fore200e_module_init(void)
+static int __init fore200e_module_init(void)
{
- const struct fore200e_bus* bus;
- struct fore200e* fore200e;
- int index;
+ int err;
- printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n");
+ printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n");
- /* for each configured bus interface */
- for (bus = fore200e_bus; bus->model_name; bus++) {
-
- /* detect all boards present on that bus */
- for (index = 0; bus->detect && (fore200e = bus->detect(bus, index)); index++) {
-
- printk(FORE200E "device %s found at 0x%lx, IRQ %s\n",
- fore200e->bus->model_name,
- fore200e->phys_base, fore200e_irq_itoa(fore200e->irq));
-
- sprintf(fore200e->name, "%s-%d", bus->model_name, index);
-
- if (fore200e_init(fore200e) < 0) {
-
- fore200e_shutdown(fore200e);
- break;
- }
-
- list_add(&fore200e->entry, &fore200e_boards);
- }
- }
-
-#ifdef CONFIG_PCI
- if (!pci_register_driver(&fore200e_pca_driver))
- return 0;
+#ifdef CONFIG_SBUS
+ err = of_register_driver(&fore200e_sba_driver, &of_bus_type);
+ if (err)
+ return err;
#endif
- if (!list_empty(&fore200e_boards))
- return 0;
-
- return -ENODEV;
-}
-
-
-static void __exit
-fore200e_module_cleanup(void)
-{
- struct fore200e *fore200e, *next;
-
#ifdef CONFIG_PCI
- pci_unregister_driver(&fore200e_pca_driver);
+ err = pci_register_driver(&fore200e_pca_driver);
#endif
- list_for_each_entry_safe(fore200e, next, &fore200e_boards, entry) {
- fore200e_shutdown(fore200e);
- kfree(fore200e);
- }
- DPRINTK(1, "module being removed\n");
+#ifdef CONFIG_SBUS
+ if (err)
+ of_unregister_driver(&fore200e_sba_driver);
+#endif
+
+ return err;
}
+static void __exit fore200e_module_cleanup(void)
+{
+#ifdef CONFIG_PCI
+ pci_unregister_driver(&fore200e_pca_driver);
+#endif
+#ifdef CONFIG_SBUS
+ of_unregister_driver(&fore200e_sba_driver);
+#endif
+}
static int
fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page)
@@ -3177,7 +3137,6 @@
fore200e_pca_dma_sync_for_device,
fore200e_pca_dma_chunk_alloc,
fore200e_pca_dma_chunk_free,
- NULL,
fore200e_pca_configure,
fore200e_pca_map,
fore200e_pca_reset,
@@ -3199,7 +3158,6 @@
fore200e_sba_dma_sync_for_device,
fore200e_sba_dma_chunk_alloc,
fore200e_sba_dma_chunk_free,
- fore200e_sba_detect,
fore200e_sba_configure,
fore200e_sba_map,
fore200e_sba_reset,
diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h
index 5c6e7ad..7f97c09 100644
--- a/drivers/atm/fore200e.h
+++ b/drivers/atm/fore200e.h
@@ -778,9 +778,9 @@
/* SBA-200E registers */
typedef struct fore200e_sba_regs {
- volatile u32 __iomem *hcr; /* address of host control register */
- volatile u32 __iomem *bsr; /* address of burst transfer size register */
- volatile u32 __iomem *isr; /* address of interrupt level selection register */
+ u32 __iomem *hcr; /* address of host control register */
+ u32 __iomem *bsr; /* address of burst transfer size register */
+ u32 __iomem *isr; /* address of interrupt level selection register */
} fore200e_sba_regs_t;
@@ -810,7 +810,6 @@
void (*dma_sync_for_device)(struct fore200e*, u32, int, int);
int (*dma_chunk_alloc)(struct fore200e*, struct chunk*, int, int, int);
void (*dma_chunk_free)(struct fore200e*, struct chunk*);
- struct fore200e* (*detect)(const struct fore200e_bus*, int);
int (*configure)(struct fore200e*);
int (*map)(struct fore200e*);
void (*reset)(struct fore200e*);