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sparc64: Convert EBUS floppy support to pure OF driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
aae7fb87ec
commit
3ae627a19e
@ -9,19 +9,11 @@
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#ifndef __ASM_SPARC64_FLOPPY_H
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#define __ASM_SPARC64_FLOPPY_H
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/dma-mapping.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/system.h>
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#include <asm/idprom.h>
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#include <asm/oplib.h>
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#include <asm/auxio.h>
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#include <asm/irq.h>
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/*
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* Define this to enable exchanging drive 0 and 1 if only drive 1 is
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@ -292,13 +284,11 @@ static int sun_fd_eject(int drive)
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return 0;
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}
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#ifdef CONFIG_PCI
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#include <asm/ebus.h>
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#include <asm/ebus_dma.h>
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#include <asm/ns87303.h>
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static struct ebus_dma_info sun_pci_fd_ebus_dma;
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static struct pci_dev *sun_pci_ebus_dev;
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static struct device *sun_floppy_dev;
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static int sun_pci_broken_drive = -1;
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struct sun_pci_dma_op {
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@ -379,7 +369,7 @@ static void sun_pci_fd_enable_dma(void)
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sun_pci_dma_pending.addr = -1U;
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sun_pci_dma_current.addr =
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pci_map_single(sun_pci_ebus_dev,
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dma_map_single(sun_floppy_dev,
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sun_pci_dma_current.buf,
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sun_pci_dma_current.len,
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sun_pci_dma_current.direction);
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@ -396,7 +386,7 @@ static void sun_pci_fd_disable_dma(void)
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{
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ebus_dma_enable(&sun_pci_fd_ebus_dma, 0);
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if (sun_pci_dma_current.addr != -1U)
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pci_unmap_single(sun_pci_ebus_dev,
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dma_unmap_single(sun_floppy_dev,
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sun_pci_dma_current.addr,
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sun_pci_dma_current.len,
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sun_pci_dma_current.direction);
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@ -406,9 +396,9 @@ static void sun_pci_fd_disable_dma(void)
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static void sun_pci_fd_set_dma_mode(int mode)
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{
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if (mode == DMA_MODE_WRITE)
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sun_pci_dma_pending.direction = PCI_DMA_TODEVICE;
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sun_pci_dma_pending.direction = DMA_TO_DEVICE;
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else
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sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE;
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sun_pci_dma_pending.direction = DMA_FROM_DEVICE;
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ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE);
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}
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@ -540,24 +530,19 @@ static int sun_pci_fd_test_drive(unsigned long port, int drive)
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#undef MSR
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#undef DOR
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#endif /* CONFIG_PCI */
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#ifdef CONFIG_PCI
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static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
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static int __init ebus_fdthree_p(struct device_node *dp)
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{
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if (!strcmp(edev->prom_node->name, "fdthree"))
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if (!strcmp(dp->name, "fdthree"))
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return 1;
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if (!strcmp(edev->prom_node->name, "floppy")) {
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if (!strcmp(dp->name, "floppy")) {
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const char *compat;
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compat = of_get_property(edev->prom_node,
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"compatible", NULL);
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compat = of_get_property(dp, "compatible", NULL);
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if (compat && !strcmp(compat, "fdthree"))
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return 1;
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}
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return 0;
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}
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#endif
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static unsigned long __init sun_floppy_init(void)
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{
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@ -584,44 +569,45 @@ static unsigned long __init sun_floppy_init(void)
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floppy_op = op;
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FLOPPY_IRQ = op->irqs[0];
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} else {
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#ifdef CONFIG_PCI
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struct linux_ebus *ebus;
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struct linux_ebus_device *edev = NULL;
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unsigned long config = 0;
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struct device_node *ebus_dp;
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void __iomem *auxio_reg;
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const char *state_prop;
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unsigned long config;
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for_each_ebus(ebus) {
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for_each_ebusdev(edev, ebus) {
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if (ebus_fdthree_p(edev))
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goto ebus_done;
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dp = NULL;
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for_each_node_by_name(ebus_dp, "ebus") {
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for (dp = ebus_dp->child; dp; dp = dp->sibling) {
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if (ebus_fdthree_p(dp))
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goto found_fdthree;
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}
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}
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ebus_done:
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if (!edev)
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found_fdthree:
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if (!dp)
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return 0;
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op = &edev->ofdev;
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op = of_find_device_by_node(dp);
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if (!op)
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return 0;
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state_prop = of_get_property(op->node, "status", NULL);
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if (state_prop && !strncmp(state_prop, "disabled", 8))
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return 0;
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FLOPPY_IRQ = edev->irqs[0];
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FLOPPY_IRQ = op->irqs[0];
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/* Make sure the high density bit is set, some systems
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* (most notably Ultra5/Ultra10) come up with it clear.
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*/
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auxio_reg = (void __iomem *) edev->resource[2].start;
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auxio_reg = (void __iomem *) op->resource[2].start;
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writel(readl(auxio_reg)|0x2, auxio_reg);
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sun_pci_ebus_dev = ebus->self;
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sun_floppy_dev = &op->dev;
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spin_lock_init(&sun_pci_fd_ebus_dma.lock);
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/* XXX ioremap */
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sun_pci_fd_ebus_dma.regs = (void __iomem *)
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edev->resource[1].start;
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op->resource[1].start;
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if (!sun_pci_fd_ebus_dma.regs)
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return 0;
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@ -635,7 +621,7 @@ static unsigned long __init sun_floppy_init(void)
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return 0;
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/* XXX ioremap */
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sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start;
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sun_fdc = (struct sun_flpy_controller *) op->resource[0].start;
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sun_fdops.fd_inb = sun_pci_fd_inb;
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sun_fdops.fd_outb = sun_pci_fd_outb;
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@ -672,12 +658,15 @@ static unsigned long __init sun_floppy_init(void)
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/*
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* Find NS87303 SuperIO config registers (through ecpp).
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*/
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for_each_ebus(ebus) {
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for_each_ebusdev(edev, ebus) {
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if (!strcmp(edev->prom_node->name, "ecpp")) {
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config = edev->resource[1].start;
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goto config_done;
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}
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config = 0;
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for (dp = ebus_dp->child; dp; dp = dp->sibling) {
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if (!strcmp(dp->name, "ecpp")) {
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struct of_device *ecpp_op;
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ecpp_op = of_find_device_by_node(dp);
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if (ecpp_op)
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config = ecpp_op->resource[1].start;
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goto config_done;
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}
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}
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config_done:
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@ -726,9 +715,6 @@ static unsigned long __init sun_floppy_init(void)
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#endif /* PCI_FDC_SWAP_DRIVES */
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return sun_floppy_types[0];
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#else
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return 0;
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#endif
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}
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prop = of_get_property(op->node, "status", NULL);
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if (prop && !strncmp(state, "disabled", 8))
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