/* floppy.h: Sparc specific parts of the Floppy driver.
*
- * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 2007, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*
* Ultra/PCI support added: Sep 1997 Eddie C. Dost (ecd@skynet.be)
#ifndef __ASM_SPARC64_FLOPPY_H
#define __ASM_SPARC64_FLOPPY_H
-#include <linux/init.h>
-#include <linux/pci.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/dma-mapping.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/system.h>
-#include <asm/idprom.h>
-#include <asm/oplib.h>
#include <asm/auxio.h>
-#include <asm/sbus.h>
-#include <asm/irq.h>
-
/*
* Define this to enable exchanging drive 0 and 1 if only drive 1 is
/* You'll only ever find one controller on an Ultra anyways. */
static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1;
unsigned long fdc_status;
-static struct sbus_dev *floppy_sdev = NULL;
+static struct of_device *floppy_op = NULL;
struct sun_floppy_ops {
unsigned char (*fd_inb) (unsigned long port);
return 0;
}
-#ifdef CONFIG_PCI
-#include <asm/ebus.h>
+#include <asm/ebus_dma.h>
#include <asm/ns87303.h>
static struct ebus_dma_info sun_pci_fd_ebus_dma;
-static struct pci_dev *sun_pci_ebus_dev;
+static struct device *sun_floppy_dev;
static int sun_pci_broken_drive = -1;
struct sun_pci_dma_op {
sun_pci_dma_pending.addr = -1U;
sun_pci_dma_current.addr =
- pci_map_single(sun_pci_ebus_dev,
+ dma_map_single(sun_floppy_dev,
sun_pci_dma_current.buf,
sun_pci_dma_current.len,
sun_pci_dma_current.direction);
{
ebus_dma_enable(&sun_pci_fd_ebus_dma, 0);
if (sun_pci_dma_current.addr != -1U)
- pci_unmap_single(sun_pci_ebus_dev,
+ dma_unmap_single(sun_floppy_dev,
sun_pci_dma_current.addr,
sun_pci_dma_current.len,
sun_pci_dma_current.direction);
static void sun_pci_fd_set_dma_mode(int mode)
{
if (mode == DMA_MODE_WRITE)
- sun_pci_dma_pending.direction = PCI_DMA_TODEVICE;
+ sun_pci_dma_pending.direction = DMA_TO_DEVICE;
else
- sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE;
+ sun_pci_dma_pending.direction = DMA_FROM_DEVICE;
ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE);
}
#undef MSR
#undef DOR
-#endif /* CONFIG_PCI */
-
-#ifdef CONFIG_PCI
-static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
+static int __init ebus_fdthree_p(struct device_node *dp)
{
- if (!strcmp(edev->prom_node->name, "fdthree"))
+ if (!strcmp(dp->name, "fdthree"))
return 1;
- if (!strcmp(edev->prom_node->name, "floppy")) {
+ if (!strcmp(dp->name, "floppy")) {
const char *compat;
- compat = of_get_property(edev->prom_node,
- "compatible", NULL);
+ compat = of_get_property(dp, "compatible", NULL);
if (compat && !strcmp(compat, "fdthree"))
return 1;
}
return 0;
}
-#endif
static unsigned long __init sun_floppy_init(void)
{
- char state[128];
- struct sbus_bus *bus;
- struct sbus_dev *sdev = NULL;
static int initialized = 0;
+ struct device_node *dp;
+ struct of_device *op;
+ const char *prop;
+ char state[128];
if (initialized)
return sun_floppy_types[0];
initialized = 1;
- for_all_sbusdev (sdev, bus) {
- if (!strcmp(sdev->prom_name, "SUNW,fdtwo"))
+ op = NULL;
+
+ for_each_node_by_name(dp, "SUNW,fdtwo") {
+ if (strcmp(dp->parent->name, "sbus"))
+ continue;
+ op = of_find_device_by_node(dp);
+ if (op)
break;
}
- if(sdev) {
- floppy_sdev = sdev;
- FLOPPY_IRQ = sdev->irqs[0];
+ if (op) {
+ floppy_op = op;
+ FLOPPY_IRQ = op->irqs[0];
} else {
-#ifdef CONFIG_PCI
- struct linux_ebus *ebus;
- struct linux_ebus_device *edev = NULL;
- unsigned long config = 0;
+ struct device_node *ebus_dp;
void __iomem *auxio_reg;
const char *state_prop;
+ unsigned long config;
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (ebus_fdthree_p(edev))
- goto ebus_done;
+ dp = NULL;
+ for_each_node_by_name(ebus_dp, "ebus") {
+ for (dp = ebus_dp->child; dp; dp = dp->sibling) {
+ if (ebus_fdthree_p(dp))
+ goto found_fdthree;
}
}
- ebus_done:
- if (!edev)
+ found_fdthree:
+ if (!dp)
+ return 0;
+
+ op = of_find_device_by_node(dp);
+ if (!op)
return 0;
- state_prop = of_get_property(edev->prom_node, "status", NULL);
+ state_prop = of_get_property(op->node, "status", NULL);
if (state_prop && !strncmp(state_prop, "disabled", 8))
return 0;
- FLOPPY_IRQ = edev->irqs[0];
+ FLOPPY_IRQ = op->irqs[0];
/* Make sure the high density bit is set, some systems
* (most notably Ultra5/Ultra10) come up with it clear.
*/
- auxio_reg = (void __iomem *) edev->resource[2].start;
+ auxio_reg = (void __iomem *) op->resource[2].start;
writel(readl(auxio_reg)|0x2, auxio_reg);
- sun_pci_ebus_dev = ebus->self;
+ sun_floppy_dev = &op->dev;
spin_lock_init(&sun_pci_fd_ebus_dma.lock);
/* XXX ioremap */
sun_pci_fd_ebus_dma.regs = (void __iomem *)
- edev->resource[1].start;
+ op->resource[1].start;
if (!sun_pci_fd_ebus_dma.regs)
return 0;
return 0;
/* XXX ioremap */
- sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start;
+ sun_fdc = (struct sun_flpy_controller *) op->resource[0].start;
sun_fdops.fd_inb = sun_pci_fd_inb;
sun_fdops.fd_outb = sun_pci_fd_outb;
/*
* Find NS87303 SuperIO config registers (through ecpp).
*/
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_node->name, "ecpp")) {
- config = edev->resource[1].start;
- goto config_done;
- }
+ config = 0;
+ for (dp = ebus_dp->child; dp; dp = dp->sibling) {
+ if (!strcmp(dp->name, "ecpp")) {
+ struct of_device *ecpp_op;
+
+ ecpp_op = of_find_device_by_node(dp);
+ if (ecpp_op)
+ config = ecpp_op->resource[1].start;
+ goto config_done;
}
}
config_done:
#endif /* PCI_FDC_SWAP_DRIVES */
return sun_floppy_types[0];
-#else
- return 0;
-#endif
}
- prom_getproperty(sdev->prom_node, "status", state, sizeof(state));
- if(!strncmp(state, "disabled", 8))
+ prop = of_get_property(op->node, "status", NULL);
+ if (prop && !strncmp(state, "disabled", 8))
return 0;
/*
- * We cannot do sbus_ioremap here: it does request_region,
+ * We cannot do of_ioremap here: it does request_region,
* which the generic floppy driver tries to do once again.
* But we must use the sdev resource values as they have
* had parent ranges applied.
*/
sun_fdc = (struct sun_flpy_controller *)
- (sdev->resource[0].start +
- ((sdev->resource[0].flags & 0x1ffUL) << 32UL));
+ (op->resource[0].start +
+ ((op->resource[0].flags & 0x1ffUL) << 32UL));
/* Last minute sanity check... */
- if(sbus_readb(&sun_fdc->status1_82077) == 0xff) {
+ if (sbus_readb(&sun_fdc->status1_82077) == 0xff) {
sun_fdc = (struct sun_flpy_controller *)-1;
return 0;
}
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