sparc: Kill EBUS driver layer.
authorDavid S. Miller <davem@davemloft.net>
Sat, 30 Aug 2008 07:36:11 +0000 (00:36 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 30 Aug 2008 07:36:11 +0000 (00:36 -0700)
All that remains is the EBUS DMA programming library for
sparc64.

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/include/asm/ebus.h [deleted file]
arch/sparc/include/asm/ebus_32.h [deleted file]
arch/sparc/include/asm/ebus_64.h [deleted file]
arch/sparc/kernel/Makefile
arch/sparc/kernel/ebus.c [deleted file]
arch/sparc/kernel/pcic.c
arch/sparc/kernel/sparc_ksyms.c
arch/sparc64/kernel/Makefile
arch/sparc64/kernel/ebus.c
arch/sparc64/kernel/pci.c
arch/sparc64/kernel/sparc64_ksyms.c

diff --git a/arch/sparc/include/asm/ebus.h b/arch/sparc/include/asm/ebus.h
deleted file mode 100644 (file)
index 83a6d16..0000000
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ___ASM_SPARC_EBUS_H
-#define ___ASM_SPARC_EBUS_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/ebus_64.h>
-#else
-#include <asm/ebus_32.h>
-#endif
-#endif
diff --git a/arch/sparc/include/asm/ebus_32.h b/arch/sparc/include/asm/ebus_32.h
deleted file mode 100644 (file)
index f91f0b2..0000000
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * ebus.h: PCI to Ebus pseudo driver software state.
- *
- * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
- *
- * Adopted for sparc by V. Roganov and G. Raiko.
- */
-
-#ifndef __SPARC_EBUS_H
-#define __SPARC_EBUS_H
-
-#ifndef _LINUX_IOPORT_H
-#include <linux/ioport.h>
-#endif
-#include <linux/of_device.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-
-struct linux_ebus_child {
-       struct linux_ebus_child         *next;
-       struct linux_ebus_device        *parent;
-       struct linux_ebus               *bus;
-       struct device_node              *prom_node;
-       struct resource                  resource[PROMREG_MAX];
-       int                              num_addrs;
-       unsigned int                     irqs[PROMINTR_MAX];
-       int                              num_irqs;
-};
-
-struct linux_ebus_device {
-       struct of_device                ofdev;
-       struct linux_ebus_device        *next;
-       struct linux_ebus_child         *children;
-       struct linux_ebus               *bus;
-       struct device_node              *prom_node;
-       struct resource                  resource[PROMREG_MAX];
-       int                              num_addrs;
-       unsigned int                     irqs[PROMINTR_MAX];
-       int                              num_irqs;
-};
-#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
-
-struct linux_ebus {
-       struct of_device                ofdev;
-       struct linux_ebus               *next;
-       struct linux_ebus_device        *devices;
-       struct linux_pbm_info           *parent;
-       struct pci_dev                  *self;
-       struct device_node              *prom_node;
-};
-#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
-
-struct linux_ebus_dma {
-       unsigned int dcsr;
-       unsigned int dacr;
-       unsigned int dbcr;
-};
-
-#define EBUS_DCSR_INT_PEND     0x00000001
-#define EBUS_DCSR_ERR_PEND     0x00000002
-#define EBUS_DCSR_DRAIN                0x00000004
-#define EBUS_DCSR_INT_EN       0x00000010
-#define EBUS_DCSR_RESET                0x00000080
-#define EBUS_DCSR_WRITE                0x00000100
-#define EBUS_DCSR_EN_DMA       0x00000200
-#define EBUS_DCSR_CYC_PEND     0x00000400
-#define EBUS_DCSR_DIAG_RD_DONE 0x00000800
-#define EBUS_DCSR_DIAG_WR_DONE 0x00001000
-#define EBUS_DCSR_EN_CNT       0x00002000
-#define EBUS_DCSR_TC           0x00004000
-#define EBUS_DCSR_DIS_CSR_DRN  0x00010000
-#define EBUS_DCSR_BURST_SZ_MASK        0x000c0000
-#define EBUS_DCSR_BURST_SZ_1   0x00080000
-#define EBUS_DCSR_BURST_SZ_4   0x00000000
-#define EBUS_DCSR_BURST_SZ_8   0x00040000
-#define EBUS_DCSR_BURST_SZ_16  0x000c0000
-#define EBUS_DCSR_DIAG_EN      0x00100000
-#define EBUS_DCSR_DIS_ERR_PEND 0x00400000
-#define EBUS_DCSR_TCI_DIS      0x00800000
-#define EBUS_DCSR_EN_NEXT      0x01000000
-#define EBUS_DCSR_DMA_ON       0x02000000
-#define EBUS_DCSR_A_LOADED     0x04000000
-#define EBUS_DCSR_NA_LOADED    0x08000000
-#define EBUS_DCSR_DEV_ID_MASK  0xf0000000
-
-extern struct linux_ebus               *ebus_chain;
-
-extern void ebus_init(void);
-
-#define for_each_ebus(bus)                                             \
-        for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
-
-#define for_each_ebusdev(dev, bus)                                     \
-        for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
-
-#define for_each_edevchild(dev, child)                                 \
-        for((child) = (dev)->children; (child); (child) = (child)->next)
-
-#endif /* !(__SPARC_EBUS_H) */
diff --git a/arch/sparc/include/asm/ebus_64.h b/arch/sparc/include/asm/ebus_64.h
deleted file mode 100644 (file)
index cd102b8..0000000
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * ebus.h: PCI to Ebus pseudo driver software state.
- *
- * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
- * Copyright (C) 1999 David S. Miller (davem@redhat.com)
- */
-
-#ifndef __SPARC64_EBUS_H
-#define __SPARC64_EBUS_H
-
-#include <linux/of_device.h>
-
-#include <asm/oplib.h>
-#include <asm/prom.h>
-
-struct linux_ebus_child {
-       struct linux_ebus_child         *next;
-       struct linux_ebus_device        *parent;
-       struct linux_ebus               *bus;
-       struct device_node              *prom_node;
-       struct resource                  resource[PROMREG_MAX];
-       int                              num_addrs;
-       unsigned int                     irqs[PROMINTR_MAX];
-       int                              num_irqs;
-};
-
-struct linux_ebus_device {
-       struct of_device                ofdev;
-       struct linux_ebus_device        *next;
-       struct linux_ebus_child         *children;
-       struct linux_ebus               *bus;
-       struct device_node              *prom_node;
-       struct resource                  resource[PROMREG_MAX];
-       int                              num_addrs;
-       unsigned int                     irqs[PROMINTR_MAX];
-       int                              num_irqs;
-};
-#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
-
-struct linux_ebus {
-       struct of_device                ofdev;
-       struct linux_ebus               *next;
-       struct linux_ebus_device        *devices;
-       struct pci_dev                  *self;
-       int                              index;
-       int                              is_rio;
-       struct device_node              *prom_node;
-};
-#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
-
-extern struct linux_ebus               *ebus_chain;
-
-extern void ebus_init(void);
-
-#define for_each_ebus(bus)                                             \
-        for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
-
-#define for_each_ebusdev(dev, bus)                                     \
-        for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
-
-#define for_each_edevchild(dev, child)                                 \
-        for((child) = (dev)->children; (child); (child) = (child)->next)
-
-#endif /* !(__SPARC64_EBUS_H) */
index eaf7cf4..a430231 100644 (file)
@@ -21,7 +21,6 @@ obj-$(CONFIG_PCI) += pcic.o
 obj-$(CONFIG_SUN4) += sun4setup.o
 obj-$(CONFIG_SMP) += trampoline.o smp.o sun4m_smp.o sun4d_smp.o
 obj-$(CONFIG_SUN_AUXIO) += auxio.o
-obj-$(CONFIG_PCI) += ebus.o
 obj-$(CONFIG_SUN_PM) += apc.o pmc.o
 obj-$(CONFIG_MODULES) += module.o sparc_ksyms.o
 obj-$(CONFIG_SPARC_LED) += led.o
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
deleted file mode 100644 (file)
index 7e9397f..0000000
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
- * ebus.c: PCI to EBus bridge device.
- *
- * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
- *
- * Adopted for sparc by V. Roganov and G. Raiko.
- * Fixes for different platforms by Pete Zaitcev.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-
-#include <asm/system.h>
-#include <asm/page.h>
-#include <asm/pbm.h>
-#include <asm/ebus.h>
-#include <asm/io.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-
-struct linux_ebus *ebus_chain = NULL;
-
-/* We are together with pcic.c under CONFIG_PCI. */
-extern unsigned int pcic_pin_to_irq(unsigned int, const char *name);
-
-/*
- * IRQ Blacklist
- * Here we list PROMs and systems that are known to supply crap as IRQ numbers.
- */
-struct ebus_device_irq {
-       char *name;
-       unsigned int pin;
-};
-
-struct ebus_system_entry {
-       char *esname;
-       struct ebus_device_irq *ipt;
-};
-
-static struct ebus_device_irq je1_1[] = {
-       { "8042",                3 },
-       { "SUNW,CS4231",         0 },
-       { "parallel",            0 },
-       { "se",                  2 },
-       { NULL, 0 }
-};
-
-/*
- * Gleb's JE1 supplied reasonable pin numbers, but mine did not (OBP 2.32).
- * Blacklist the sucker... Note that Gleb's system will work.
- */
-static struct ebus_system_entry ebus_blacklist[] = {
-       { "SUNW,JavaEngine1", je1_1 },
-       { NULL, NULL }
-};
-
-static struct ebus_device_irq *ebus_blackp = NULL;
-
-/*
- */
-static inline unsigned long ebus_alloc(size_t size)
-{
-       return (unsigned long)kmalloc(size, GFP_ATOMIC);
-}
-
-/*
- */
-static int __init ebus_blacklist_irq(const char *name)
-{
-       struct ebus_device_irq *dp;
-
-       if ((dp = ebus_blackp) != NULL) {
-               for (; dp->name != NULL; dp++) {
-                       if (strcmp(name, dp->name) == 0) {
-                               return pcic_pin_to_irq(dp->pin, name);
-                       }
-               }
-       }
-       return 0;
-}
-
-static void __init fill_ebus_child(struct device_node *dp,
-                                  struct linux_ebus_child *dev)
-{
-       const int *regs;
-       const int *irqs;
-       int i, len;
-
-       dev->prom_node = dp;
-       regs = of_get_property(dp, "reg", &len);
-       if (!regs)
-               len = 0;
-       dev->num_addrs = len / sizeof(regs[0]);
-
-       for (i = 0; i < dev->num_addrs; i++) {
-               if (regs[i] >= dev->parent->num_addrs) {
-                       prom_printf("UGH: property for %s was %d, need < %d\n",
-                                   dev->prom_node->name, len,
-                                   dev->parent->num_addrs);
-                       panic(__func__);
-               }
-
-               /* XXX resource */
-               dev->resource[i].start =
-                       dev->parent->resource[regs[i]].start;
-       }
-
-       for (i = 0; i < PROMINTR_MAX; i++)
-               dev->irqs[i] = PCI_IRQ_NONE;
-
-       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
-               dev->num_irqs = 1;
-       } else {
-               irqs = of_get_property(dp, "interrupts", &len);
-               if (!irqs) {
-                       dev->num_irqs = 0;
-                       dev->irqs[0] = 0;
-                       if (dev->parent->num_irqs != 0) {
-                               dev->num_irqs = 1;
-                               dev->irqs[0] = dev->parent->irqs[0];
-                       }
-               } else {
-                       dev->num_irqs = len / sizeof(irqs[0]);
-                       if (irqs[0] == 0 || irqs[0] >= 8) {
-                               /*
-                                * XXX Zero is a valid pin number...
-                                * This works as long as Ebus is not wired
-                                * to INTA#.
-                                */
-                               printk("EBUS: %s got bad irq %d from PROM\n",
-                                      dev->prom_node->name, irqs[0]);
-                               dev->num_irqs = 0;
-                               dev->irqs[0] = 0;
-                       } else {
-                               dev->irqs[0] =
-                                       pcic_pin_to_irq(irqs[0],
-                                                       dev->prom_node->name);
-                       }
-               }
-       }
-}
-
-static void __init fill_ebus_device(struct device_node *dp,
-                                   struct linux_ebus_device *dev)
-{
-       const struct linux_prom_registers *regs;
-       struct linux_ebus_child *child;
-       struct dev_archdata *sd;
-       const int *irqs;
-       int i, n, len;
-       unsigned long baseaddr;
-
-       dev->prom_node = dp;
-
-       regs = of_get_property(dp, "reg", &len);
-       if (!regs)
-               len = 0;
-       if (len % sizeof(struct linux_prom_registers)) {
-               prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
-                           dev->prom_node->name, len,
-                           (int)sizeof(struct linux_prom_registers));
-               panic(__func__);
-       }
-       dev->num_addrs = len / sizeof(struct linux_prom_registers);
-
-       for (i = 0; i < dev->num_addrs; i++) {
-               /*
-                * XXX Collect JE-1 PROM
-                * 
-                * Example - JS-E with 3.11:
-                *  /ebus
-                *      regs 
-                *        0x00000000, 0x0, 0x00000000, 0x0, 0x00000000,
-                *        0x82000010, 0x0, 0xf0000000, 0x0, 0x01000000,
-                *        0x82000014, 0x0, 0x38800000, 0x0, 0x00800000,
-                *      ranges
-                *        0x00, 0x00000000, 0x02000010, 0x0, 0x0, 0x01000000,
-                *        0x01, 0x01000000, 0x02000014, 0x0, 0x0, 0x00800000,
-                *  /ebus/8042
-                *      regs
-                *        0x00000001, 0x00300060, 0x00000008,
-                *        0x00000001, 0x00300060, 0x00000008,
-                */
-               n = regs[i].which_io;
-               if (n >= 4) {
-                       /* XXX This is copied from old JE-1 by Gleb. */
-                       n = (regs[i].which_io - 0x10) >> 2;
-               } else {
-                       ;
-               }
-
-/*
- * XXX Now as we have regions, why don't we make an on-demand allocation...
- */
-               dev->resource[i].start = 0;
-               if ((baseaddr = dev->bus->self->resource[n].start +
-                   regs[i].phys_addr) != 0) {
-                       /* dev->resource[i].name = dev->prom_name; */
-                       if ((baseaddr = (unsigned long) ioremap(baseaddr,
-                           regs[i].reg_size)) == 0) {
-                               panic("ebus: unable to remap dev %s",
-                                     dev->prom_node->name);
-                       }
-               }
-               dev->resource[i].start = baseaddr;      /* XXX Unaligned */
-       }
-
-       for (i = 0; i < PROMINTR_MAX; i++)
-               dev->irqs[i] = PCI_IRQ_NONE;
-
-       if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
-               dev->num_irqs = 1;
-       } else {
-               irqs = of_get_property(dp, "interrupts", &len);
-               if (!irqs) {
-                       dev->num_irqs = 0;
-                       if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
-                               dev->num_irqs = 1;
-/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
-                       }
-               } else {
-                       dev->num_irqs = 1;  /* dev->num_irqs = len / sizeof(irqs[0]); */
-                       if (irqs[0] == 0 || irqs[0] >= 8) {
-                               /* See above for the parent. XXX */
-                               printk("EBUS: %s got bad irq %d from PROM\n",
-                                      dev->prom_node->name, irqs[0]);
-                               dev->num_irqs = 0;
-                               dev->irqs[0] = 0;
-                       } else {
-                               dev->irqs[0] =
-                                       pcic_pin_to_irq(irqs[0],
-                                                       dev->prom_node->name);
-                       }
-               }
-       }
-
-       sd = &dev->ofdev.dev.archdata;
-       sd->prom_node = dp;
-       sd->op = &dev->ofdev;
-       sd->iommu = dev->bus->ofdev.dev.parent->archdata.iommu;
-
-       dev->ofdev.node = dp;
-       dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
-       dev->ofdev.dev.bus = &ebus_bus_type;
-       sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node);
-
-       /* Register with core */
-       if (of_device_register(&dev->ofdev) != 0)
-               printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                      dp->path_component_name);
-
-       if ((dp = dp->child) != NULL) {
-               dev->children = (struct linux_ebus_child *)
-                       ebus_alloc(sizeof(struct linux_ebus_child));
-
-               child = dev->children;
-               child->next = NULL;
-               child->parent = dev;
-               child->bus = dev->bus;
-               fill_ebus_child(dp, child);
-
-               while ((dp = dp->sibling) != NULL) {
-                       child->next = (struct linux_ebus_child *)
-                               ebus_alloc(sizeof(struct linux_ebus_child));
-
-                       child = child->next;
-                       child->next = NULL;
-                       child->parent = dev;
-                       child->bus = dev->bus;
-                       fill_ebus_child(dp, child);
-               }
-       }
-}
-
-void __init ebus_init(void)
-{
-       const struct linux_prom_pci_registers *regs;
-       struct linux_pbm_info *pbm;
-       struct linux_ebus_device *dev;
-       struct linux_ebus *ebus;
-       struct ebus_system_entry *sp;
-       struct pci_dev *pdev;
-       struct pcidev_cookie *cookie;
-       struct device_node *dp;
-       struct resource *p;
-       unsigned short pci_command;
-       int len, reg, nreg;
-       int num_ebus = 0;
-
-       dp = of_find_node_by_path("/");
-       for (sp = ebus_blacklist; sp->esname != NULL; sp++) {
-               if (strcmp(dp->name, sp->esname) == 0) {
-                       ebus_blackp = sp->ipt;
-                       break;
-               }
-       }
-
-       pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
-       if (!pdev)
-               return;
-
-       cookie = pdev->sysdata;
-       dp = cookie->prom_node;
-
-       ebus_chain = ebus = (struct linux_ebus *)
-                       ebus_alloc(sizeof(struct linux_ebus));
-       ebus->next = NULL;
-
-       while (dp) {
-               struct device_node *nd;
-
-               ebus->prom_node = dp;
-               ebus->self = pdev;
-               ebus->parent = pbm = cookie->pbm;
-
-               /* Enable BUS Master. */
-               pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
-               pci_command |= PCI_COMMAND_MASTER;
-               pci_write_config_word(pdev, PCI_COMMAND, pci_command);
-
-               regs = of_get_property(dp, "reg", &len);
-               if (!regs) {
-                       prom_printf("%s: can't find reg property\n",
-                                   __func__);
-                       prom_halt();
-               }
-               nreg = len / sizeof(struct linux_prom_pci_registers);
-
-               p = &ebus->self->resource[0];
-               for (reg = 0; reg < nreg; reg++) {
-                       if (!(regs[reg].which_io & 0x03000000))
-                               continue;
-
-                       (p++)->start = regs[reg].phys_lo;
-               }
-
-               ebus->ofdev.node = dp;
-               ebus->ofdev.dev.parent = &pdev->dev;
-               ebus->ofdev.dev.bus = &ebus_bus_type;
-               sprintf(ebus->ofdev.dev.bus_id, "ebus%d", num_ebus);
-
-               /* Register with core */
-               if (of_device_register(&ebus->ofdev) != 0)
-                       printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                              dp->path_component_name);
-
-
-               nd = dp->child;
-               if (!nd)
-                       goto next_ebus;
-
-               ebus->devices = (struct linux_ebus_device *)
-                               ebus_alloc(sizeof(struct linux_ebus_device));
-
-               dev = ebus->devices;
-               dev->next = NULL;
-               dev->children = NULL;
-               dev->bus = ebus;
-               fill_ebus_device(nd, dev);
-
-               while ((nd = nd->sibling) != NULL) {
-                       dev->next = (struct linux_ebus_device *)
-                               ebus_alloc(sizeof(struct linux_ebus_device));
-
-                       dev = dev->next;
-                       dev->next = NULL;
-                       dev->children = NULL;
-                       dev->bus = ebus;
-                       fill_ebus_device(nd, dev);
-               }
-
-       next_ebus:
-               pdev = pci_get_device(PCI_VENDOR_ID_SUN,
-                                      PCI_DEVICE_ID_SUN_EBUS, pdev);
-               if (!pdev)
-                       break;
-
-               cookie = pdev->sysdata;
-               dp = cookie->prom_node;
-
-               ebus->next = (struct linux_ebus *)
-                       ebus_alloc(sizeof(struct linux_ebus));
-               ebus = ebus->next;
-               ebus->next = NULL;
-               ++num_ebus;
-       }
-       if (pdev)
-               pci_dev_put(pdev);
-}
index 9a0aa4e..e5950b0 100644 (file)
@@ -17,7 +17,6 @@
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 
-#include <asm/ebus.h>
 #include <asm/swift.h> /* for cache flushing. */
 #include <asm/io.h>
 
@@ -429,7 +428,6 @@ static int __init pcic_init(void)
 
        pcic_pbm_scan_bus(pcic);
 
-       ebus_init();
        return 0;
 }
 
@@ -492,10 +490,6 @@ static void pcic_map_pci_device(struct linux_pcic *pcic,
                                 * do ioremap() before accessing PC-style I/O,
                                 * we supply virtual, ready to access address.
                                 *
-                                * Ebus devices do not come here even if
-                                * CheerIO makes a similar conversion.
-                                * See ebus.c for details.
-                                *
                                 * Note that request_region()
                                 * works for these devices.
                                 *
@@ -676,7 +670,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 }
 
 /*
- * pcic_pin_to_irq() is exported to ebus.c.
+ * pcic_pin_to_irq() is exported to bus probing code
  */
 unsigned int
 pcic_pin_to_irq(unsigned int pin, const char *name)
index 50ec48d..6007ac5 100644 (file)
@@ -45,9 +45,6 @@
 #ifdef CONFIG_SBUS
 #include <asm/dma.h>
 #endif
-#ifdef CONFIG_PCI
-#include <asm/ebus.h>
-#endif
 #include <asm/io-unit.h>
 #include <asm/bug.h>
 
@@ -152,7 +149,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(pgprot_noncached));
 EXPORT_SYMBOL(sbus_set_sbus64);
 #endif
 #ifdef CONFIG_PCI
-EXPORT_SYMBOL(ebus_chain);
 EXPORT_SYMBOL(insb);
 EXPORT_SYMBOL(outsb);
 EXPORT_SYMBOL(insw);
index 360a348..928aa7c 100644 (file)
@@ -11,12 +11,12 @@ obj-y               := process.o setup.o cpu.o idprom.o \
                   traps.o auxio.o una_asm.o sysfs.o iommu.o \
                   irq.o ptrace.o time.o sys_sparc.o signal.o \
                   unaligned.o central.o starfire.o \
-                  power.o sbus.o sparc64_ksyms.o \
+                  power.o sbus.o sparc64_ksyms.o ebus.o \
                   visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o
 
 obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_PCI)       += ebus.o pci.o pci_common.o \
+obj-$(CONFIG_PCI)       += pci.o pci_common.o \
                            pci_psycho.o pci_sabre.o pci_schizo.o \
                            pci_sun4v.o pci_sun4v_asm.o pci_fire.o
 obj-$(CONFIG_PCI_MSI)  += pci_msi.o
index 8840874..77dbf6d 100644 (file)
@@ -1,5 +1,4 @@
-/*
- * ebus.c: PCI to EBus bridge device.
+/* ebus.c: EBUS DMA library code.
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
  * Copyright (C) 1999  David S. Miller (davem@redhat.com)
@@ -9,24 +8,12 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/string.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/of_device.h>
 
-#include <asm/system.h>
-#include <asm/page.h>
-#include <asm/ebus.h>
 #include <asm/ebus_dma.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/irq.h>
 #include <asm/io.h>
 
-/* EBUS dma library. */
-
 #define EBDMA_CSR      0x00UL  /* Control/Status */
 #define EBDMA_ADDR     0x04UL  /* DMA Address */
 #define EBDMA_COUNT    0x08UL  /* DMA Count */
@@ -268,283 +255,3 @@ void ebus_dma_enable(struct ebus_dma_info *p, int on)
        spin_unlock_irqrestore(&p->lock, flags);
 }
 EXPORT_SYMBOL(ebus_dma_enable);
-
-struct linux_ebus *ebus_chain = NULL;
-
-static inline void *ebus_alloc(size_t size)
-{
-       void *mem;
-
-       mem = kzalloc(size, GFP_ATOMIC);
-       if (!mem)
-               panic("ebus_alloc: out of memory");
-       return mem;
-}
-
-static void __init fill_ebus_child(struct device_node *dp,
-                                  struct linux_ebus_child *dev,
-                                  int non_standard_regs)
-{
-       struct of_device *op;
-       const int *regs;
-       int i, len;
-
-       dev->prom_node = dp;
-       printk(" (%s)", dp->name);
-
-       regs = of_get_property(dp, "reg", &len);
-       if (!regs)
-               dev->num_addrs = 0;
-       else
-               dev->num_addrs = len / sizeof(regs[0]);
-
-       if (non_standard_regs) {
-               /* This is to handle reg properties which are not
-                * in the parent relative format.  One example are
-                * children of the i2c device on CompactPCI systems.
-                *
-                * So, for such devices we just record the property
-                * raw in the child resources.
-                */
-               for (i = 0; i < dev->num_addrs; i++)
-                       dev->resource[i].start = regs[i];
-       } else {
-               for (i = 0; i < dev->num_addrs; i++) {
-                       int rnum = regs[i];
-                       if (rnum >= dev->parent->num_addrs) {
-                               prom_printf("UGH: property for %s was %d, need < %d\n",
-                                           dp->name, len, dev->parent->num_addrs);
-                               prom_halt();
-                       }
-                       dev->resource[i].start = dev->parent->resource[i].start;
-                       dev->resource[i].end = dev->parent->resource[i].end;
-                       dev->resource[i].flags = IORESOURCE_MEM;
-                       dev->resource[i].name = dp->name;
-               }
-       }
-
-       op = of_find_device_by_node(dp);
-       if (!op) {
-               dev->num_irqs = 0;
-       } else {
-               dev->num_irqs = op->num_irqs;
-               for (i = 0; i < dev->num_irqs; i++)
-                       dev->irqs[i] = op->irqs[i];
-       }
-
-       if (!dev->num_irqs) {
-               /*
-                * Oh, well, some PROMs don't export interrupts
-                * property to children of EBus devices...
-                *
-                * Be smart about PS/2 keyboard and mouse.
-                */
-               if (!strcmp(dev->parent->prom_node->name, "8042")) {
-                       if (!strcmp(dev->prom_node->name, "kb_ps2")) {
-                               dev->num_irqs = 1;
-                               dev->irqs[0] = dev->parent->irqs[0];
-                       } else {
-                               dev->num_irqs = 1;
-                               dev->irqs[0] = dev->parent->irqs[1];
-                       }
-               }
-       }
-}
-
-static int __init child_regs_nonstandard(struct linux_ebus_device *dev)
-{
-       if (!strcmp(dev->prom_node->name, "i2c") ||
-           !strcmp(dev->prom_node->name, "SUNW,lombus"))
-               return 1;
-       return 0;
-}
-
-static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
-{
-       struct linux_ebus_child *child;
-       struct dev_archdata *sd;
-       struct of_device *op;
-       int i, len;
-
-       dev->prom_node = dp;
-
-       printk(" [%s", dp->name);
-
-       op = of_find_device_by_node(dp);
-       if (!op) {
-               dev->num_addrs = 0;
-               dev->num_irqs = 0;
-       } else {
-               const int *regs = of_get_property(dp, "reg", &len);
-
-               if (!regs)
-                       len = 0;
-               dev->num_addrs = len / sizeof(struct linux_prom_registers);
-
-               for (i = 0; i < dev->num_addrs; i++)
-                       memcpy(&dev->resource[i],
-                              &op->resource[i],
-                              sizeof(struct resource));
-
-               dev->num_irqs = op->num_irqs;
-               for (i = 0; i < dev->num_irqs; i++)
-                       dev->irqs[i] = op->irqs[i];
-       }
-
-       sd = &dev->ofdev.dev.archdata;
-       sd->prom_node = dp;
-       sd->op = &dev->ofdev;
-       sd->iommu = dev->bus->ofdev.dev.parent->archdata.iommu;
-       sd->stc = dev->bus->ofdev.dev.parent->archdata.stc;
-       sd->numa_node = dev->bus->ofdev.dev.parent->archdata.numa_node;
-
-       dev->ofdev.node = dp;
-       dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
-       dev->ofdev.dev.bus = &ebus_bus_type;
-       dev_set_name(&dev->ofdev.dev, "ebus[%08x]", dp->node);
-
-       /* Register with core */
-       if (of_device_register(&dev->ofdev) != 0)
-               printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                      dp->path_component_name);
-
-       dp = dp->child;
-       if (dp) {
-               printk(" ->");
-               dev->children = ebus_alloc(sizeof(struct linux_ebus_child));
-
-               child = dev->children;
-               child->next = NULL;
-               child->parent = dev;
-               child->bus = dev->bus;
-               fill_ebus_child(dp, child,
-                               child_regs_nonstandard(dev));
-
-               while ((dp = dp->sibling) != NULL) {
-                       child->next = ebus_alloc(sizeof(struct linux_ebus_child));
-
-                       child = child->next;
-                       child->next = NULL;
-                       child->parent = dev;
-                       child->bus = dev->bus;
-                       fill_ebus_child(dp, child,
-                                       child_regs_nonstandard(dev));
-               }
-       }
-       printk("]");
-}
-
-static struct pci_dev *find_next_ebus(struct pci_dev *start, int *is_rio_p)
-{
-       struct pci_dev *pdev = start;
-
-       while ((pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_ANY_ID, pdev)))
-               if (pdev->device == PCI_DEVICE_ID_SUN_EBUS ||
-                       pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS)
-                       break;
-
-       *is_rio_p = !!(pdev && (pdev->device == PCI_DEVICE_ID_SUN_RIO_EBUS));
-
-       return pdev;
-}
-
-void __init ebus_init(void)
-{
-       struct linux_ebus_device *dev;
-       struct linux_ebus *ebus;
-       struct pci_dev *pdev;
-       struct device_node *dp;
-       int is_rio;
-       int num_ebus = 0;
-
-       pdev = find_next_ebus(NULL, &is_rio);
-       if (!pdev) {
-               printk("ebus: No EBus's found.\n");
-               return;
-       }
-
-       dp = pci_device_to_OF_node(pdev);
-
-       ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus));
-       ebus->next = NULL;
-       ebus->is_rio = is_rio;
-
-       while (dp) {
-               struct device_node *child;
-
-               /* SUNW,pci-qfe uses four empty ebuses on it.
-                  I think we should not consider them here,
-                  as they have half of the properties this
-                  code expects and once we do PCI hot-plug,
-                  we'd have to tweak with the ebus_chain
-                  in the runtime after initialization. -jj */
-               if (!dp->child) {
-                       pdev = find_next_ebus(pdev, &is_rio);
-                       if (!pdev) {
-                               if (ebus == ebus_chain) {
-                                       ebus_chain = NULL;
-                                       printk("ebus: No EBus's found.\n");
-                                       return;
-                               }
-                               break;
-                       }
-                       ebus->is_rio = is_rio;
-                       dp = pci_device_to_OF_node(pdev);
-                       continue;
-               }
-               printk("ebus%d:", num_ebus);
-
-               ebus->index = num_ebus;
-               ebus->prom_node = dp;
-               ebus->self = pdev;
-
-               ebus->ofdev.node = dp;
-               ebus->ofdev.dev.parent = &pdev->dev;
-               ebus->ofdev.dev.bus = &ebus_bus_type;
-               dev_set_name(&ebus->ofdev.dev, "ebus%d", num_ebus);
-
-               /* Register with core */
-               if (of_device_register(&ebus->ofdev) != 0)
-                       printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-                              dp->path_component_name);
-
-
-               child = dp->child;
-               if (!child)
-                       goto next_ebus;
-
-               ebus->devices = ebus_alloc(sizeof(struct linux_ebus_device));
-
-               dev = ebus->devices;
-               dev->next = NULL;
-               dev->children = NULL;
-               dev->bus = ebus;
-               fill_ebus_device(child, dev);
-
-               while ((child = child->sibling) != NULL) {
-                       dev->next = ebus_alloc(sizeof(struct linux_ebus_device));
-
-                       dev = dev->next;
-                       dev->next = NULL;
-                       dev->children = NULL;
-                       dev->bus = ebus;
-                       fill_ebus_device(child, dev);
-               }
-
-       next_ebus:
-               printk("\n");
-
-               pdev = find_next_ebus(pdev, &is_rio);
-               if (!pdev)
-                       break;
-
-               dp = pci_device_to_OF_node(pdev);
-
-               ebus->next = ebus_alloc(sizeof(struct linux_ebus));
-               ebus = ebus->next;
-               ebus->next = NULL;
-               ebus->is_rio = is_rio;
-               ++num_ebus;
-       }
-       pci_dev_put(pdev); /* XXX for the case, when ebusnd is 0, is it OK? */
-}
index 71d423a..2187786 100644 (file)
 #include <linux/msi.h>
 #include <linux/irq.h>
 #include <linux/init.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/irq.h>
-#include <asm/ebus.h>
 #include <asm/prom.h>
 #include <asm/apb.h>
 
@@ -808,7 +809,6 @@ static int __init pcibios_init(void)
 
        pci_scan_each_controller_bus();
 
-       ebus_init();
        power_init();
 
        return 0;
index 4c3a6a8..30bba8b 100644 (file)
@@ -45,9 +45,6 @@
 #ifdef CONFIG_SBUS
 #include <asm/dma.h>
 #endif
-#ifdef CONFIG_PCI
-#include <asm/ebus.h>
-#endif
 #include <asm/ns87303.h>
 #include <asm/timer.h>
 #include <asm/cpudata.h>
@@ -165,7 +162,6 @@ EXPORT_SYMBOL(insb);
 EXPORT_SYMBOL(insw);
 EXPORT_SYMBOL(insl);
 #ifdef CONFIG_PCI
-EXPORT_SYMBOL(ebus_chain);
 EXPORT_SYMBOL(pci_alloc_consistent);
 EXPORT_SYMBOL(pci_free_consistent);
 EXPORT_SYMBOL(pci_map_single);