Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  powerpc: add defconfig for Freescale MPC8349E-mITX board
  powerpc: Add base support for the Freescale MPC8349E-mITX eval board
  Documentation: correct values in MPC8548E SEC example node
  [POWERPC] Actually copy over i8259.c to arch/ppc/syslib this time
  [POWERPC] Add new interrupt mapping core and change platforms to use it
  [POWERPC] Copy i8259 code back to arch/ppc
  [POWERPC] New device-tree interrupt parsing code
  [POWERPC] Use the genirq framework
  [PATCH] genirq: Allow fasteoi handler to retrigger disabled interrupts
  [POWERPC] Update the SWIM3 (powermac) floppy driver
  [POWERPC] Fix error handling in detecting legacy serial ports
  [POWERPC] Fix booting on Momentum "Apache" board (a Maple derivative)
  [POWERPC] Fix various offb and BootX-related issues
  [POWERPC] Add a default config for 32-bit CHRP machines
  [POWERPC] fix implicit declaration on cell.
  [POWERPC] change get_property to return void *

10 files changed, 394 insertions, 371 deletions

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 3721e12135d9..cc42e762396f 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -250,8 +250,6 @@ static int floppy_open(struct inode *inode, struct file *filp);
 static int floppy_release(struct inode *inode, struct file *filp);
 static int floppy_check_change(struct gendisk *disk);
 static int floppy_revalidate(struct gendisk *disk);
-static int swim3_add_device(struct device_node *swims);
-int swim3_init(void);
 
 #ifndef CONFIG_PMAC_MEDIABAY
 #define check_media_bay(which, what)    1
@@ -1011,114 +1009,63 @@ static struct block_device_operations floppy_fops = {
         .revalidate_disk= floppy_revalidate,
 };
 
-int swim3_init(void)
-{
-        struct device_node *swim;
-        int err = -ENOMEM;
-        int i;
-
-        swim = find_devices("floppy");
-        while (swim && (floppy_count < MAX_FLOPPIES))
-        {
-                swim3_add_device(swim);
-                swim = swim->next;
-        }
-
-        swim = find_devices("swim3");
-        while (swim && (floppy_count < MAX_FLOPPIES))
-        {
-                swim3_add_device(swim);
-                swim = swim->next;
-        }
-
-        if (!floppy_count)
-                return -ENODEV;
-
-        for (i = 0; i < floppy_count; i++) {
-                disks[i] = alloc_disk(1);
-                if (!disks[i])
-                        goto out;
-        }
-
-        if (register_blkdev(FLOPPY_MAJOR, "fd")) {
-                err = -EBUSY;
-                goto out;
-        }
-
-        swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
-        if (!swim3_queue) {
-                err = -ENOMEM;
-                goto out_queue;
-        }
-
-        for (i = 0; i < floppy_count; i++) {
-                struct gendisk *disk = disks[i];
-                disk->major = FLOPPY_MAJOR;
-                disk->first_minor = i;
-                disk->fops = &floppy_fops;
-                disk->private_data = &floppy_states[i];
-                disk->queue = swim3_queue;
-                disk->flags |= GENHD_FL_REMOVABLE;
-                sprintf(disk->disk_name, "fd%d", i);
-                set_capacity(disk, 2880);
-                add_disk(disk);
-        }
-        return 0;
-
-out_queue:
-        unregister_blkdev(FLOPPY_MAJOR, "fd");
-out:
-        while (i--)
-                put_disk(disks[i]);
-        /* shouldn't we do something with results of swim_add_device()? */
-        return err;
-}
-
-static int swim3_add_device(struct device_node *swim)
+static int swim3_add_device(struct macio_dev *mdev, int index)
 {
+        struct device_node *swim = mdev->ofdev.node;
         struct device_node *mediabay;
-        struct floppy_state *fs = &floppy_states[floppy_count];
-        struct resource res_reg, res_dma;
+        struct floppy_state *fs = &floppy_states[index];
+        int rc = -EBUSY;
 
-        if (of_address_to_resource(swim, 0, &res_reg) ||
-            of_address_to_resource(swim, 1, &res_dma)) {
-                printk(KERN_ERR "swim3: Can't get addresses\n");
-                return -EINVAL;
+        /* Check & Request resources */
+        if (macio_resource_count(mdev) < 2) {
+                printk(KERN_WARNING "ifd%d: no address for %s\n",
+                       index, swim->full_name);
+                return -ENXIO;
         }
-        if (request_mem_region(res_reg.start, res_reg.end - res_reg.start + 1,
-                               " (reg)") == NULL) {
-                printk(KERN_ERR "swim3: Can't request register space\n");
-                return -EINVAL;
+        if (macio_irq_count(mdev) < 2) {
+                printk(KERN_WARNING "fd%d: no intrs for device %s\n",
+                        index, swim->full_name);
         }
-        if (request_mem_region(res_dma.start, res_dma.end - res_dma.start + 1,
-                               " (dma)") == NULL) {
-                release_mem_region(res_reg.start,
-                                   res_reg.end - res_reg.start + 1);
-                printk(KERN_ERR "swim3: Can't request DMA space\n");
-                return -EINVAL;
+        if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
+                printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
+                       index, swim->full_name);
+                return -EBUSY;
         }
-
-        if (swim->n_intrs < 2) {
-                printk(KERN_INFO "swim3: expecting 2 intrs (n_intrs:%d)\n",
-                       swim->n_intrs);
-                release_mem_region(res_reg.start,
-                                   res_reg.end - res_reg.start + 1);
-                release_mem_region(res_dma.start,
-                                   res_dma.end - res_dma.start + 1);
-                return -EINVAL;
+        if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
+                printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
+                       index, swim->full_name);
+                macio_release_resource(mdev, 0);
+                return -EBUSY;
         }
+        dev_set_drvdata(&mdev->ofdev.dev, fs);
 
-        mediabay = (strcasecmp(swim->parent->type, "media-bay") == 0) ? swim->parent : NULL;
+        mediabay = (strcasecmp(swim->parent->type, "media-bay") == 0) ?
+                swim->parent : NULL;
         if (mediabay == NULL)
                 pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
         
         memset(fs, 0, sizeof(*fs));
         spin_lock_init(&fs->lock);
         fs->state = idle;
-        fs->swim3 = (struct swim3 __iomem *)ioremap(res_reg.start, 0x200);
-        fs->dma = (struct dbdma_regs __iomem *)ioremap(res_dma.start, 0x200);
-        fs->swim3_intr = swim->intrs[0].line;
-        fs->dma_intr = swim->intrs[1].line;
+        fs->swim3 = (struct swim3 __iomem *)
+                ioremap(macio_resource_start(mdev, 0), 0x200);
+        if (fs->swim3 == NULL) {
+                printk("fd%d: couldn't map registers for %s\n",
+                       index, swim->full_name);
+                rc = -ENOMEM;
+                goto out_release;
+        }
+        fs->dma = (struct dbdma_regs __iomem *)
+                ioremap(macio_resource_start(mdev, 1), 0x200);
+        if (fs->dma == NULL) {
+                printk("fd%d: couldn't map DMA for %s\n",
+                       index, swim->full_name);
+                iounmap(fs->swim3);
+                rc = -ENOMEM;
+                goto out_release;
+        }
+        fs->swim3_intr = macio_irq(mdev, 0);
+        fs->dma_intr = macio_irq(mdev, 1);;
         fs->cur_cyl = -1;
         fs->cur_sector = -1;
         fs->secpercyl = 36;
@@ -1132,15 +1079,16 @@ static int swim3_add_device(struct device_node *swim)
         st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
 
         if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
-                printk(KERN_ERR "Couldn't get irq %d for SWIM3\n", fs->swim3_intr);
+                printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
+                       index, fs->swim3_intr, swim->full_name);
                 pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
+                goto out_unmap;
                 return -EBUSY;
         }
 /*
         if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
                 printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
                        fs->dma_intr);
-                pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
                 return -EBUSY;
         }
 */
@@ -1150,8 +1098,90 @@ static int swim3_add_device(struct device_node *swim)
         printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
                 mediabay ? "in media bay" : "");
 
-        floppy_count++;
-        
+        return 0;
+
+ out_unmap:
+        iounmap(fs->dma);
+        iounmap(fs->swim3);
+
+ out_release:
+        macio_release_resource(mdev, 0);
+        macio_release_resource(mdev, 1);
+
+        return rc;
+}
+
+static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
+{
+        int i, rc;
+        struct gendisk *disk;
+
+        /* Add the drive */
+        rc = swim3_add_device(mdev, floppy_count);
+        if (rc)
+                return rc;
+
+        /* Now create the queue if not there yet */
+        if (swim3_queue == NULL) {
+                /* If we failed, there isn't much we can do as the driver is still
+                 * too dumb to remove the device, just bail out
+                 */
+                if (register_blkdev(FLOPPY_MAJOR, "fd"))
+                        return 0;
+                swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
+                if (swim3_queue == NULL) {
+                        unregister_blkdev(FLOPPY_MAJOR, "fd");
+                        return 0;
+                }
+        }
+
+        /* Now register that disk. Same comment about failure handling */
+        i = floppy_count++;
+        disk = disks[i] = alloc_disk(1);
+        if (disk == NULL)
+                return 0;
+
+        disk->major = FLOPPY_MAJOR;
+        disk->first_minor = i;
+        disk->fops = &floppy_fops;
+        disk->private_data = &floppy_states[i];
+        disk->queue = swim3_queue;
+        disk->flags |= GENHD_FL_REMOVABLE;
+        sprintf(disk->disk_name, "fd%d", i);
+        set_capacity(disk, 2880);
+        add_disk(disk);
+
+        return 0;
+}
+
+static struct of_device_id swim3_match[] =
+{
+        {
+        .name           = "swim3",
+        },
+        {
+        .compatible     = "ohare-swim3"
+        },
+        {
+        .compatible     = "swim3"
+        },
+};
+
+static struct macio_driver swim3_driver =
+{
+        .name           = "swim3",
+        .match_table    = swim3_match,
+        .probe          = swim3_attach,
+#if 0
+        .suspend        = swim3_suspend,
+        .resume         = swim3_resume,
+#endif
+};
+
+
+int swim3_init(void)
+{
+        macio_register_driver(&swim3_driver);
         return 0;
 }
 
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 8dc205b275e3..56612a2dca6b 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1299,13 +1299,12 @@ static int __init hvsi_console_init(void)
                 hp->inbuf_end = hp->inbuf;
                 hp->state = HVSI_CLOSED;
                 hp->vtermno = *vtermno;
-                hp->virq = virt_irq_create_mapping(irq[0]);
+                hp->virq = irq_create_mapping(NULL, irq[0], 0);
                 if (hp->virq == NO_IRQ) {
                         printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
-                                __FUNCTION__, hp->virq);
+                                __FUNCTION__, irq[0]);
                         continue;
-                } else
-                        hp->virq = irq_offset_up(hp->virq);
+                }
 
                 hvsi_count++;
         }
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 314fc0830d90..4b08852c35ee 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -90,22 +90,12 @@ int macio_init(void)
 {
         struct device_node *adbs;
         struct resource r;
+        unsigned int irq;
 
         adbs = find_compatible_devices("adb", "chrp,adb0");
         if (adbs == 0)
                 return -ENXIO;
 
-#if 0
-        { int i = 0;
-
-        printk("macio_adb_init: node = %p, addrs =", adbs->node);
-        while(!of_address_to_resource(adbs, i, &r))
-                printk(" %x(%x)", r.start, r.end - r.start);
-        printk(", intrs =");
-        for (i = 0; i < adbs->n_intrs; ++i)
-                printk(" %x", adbs->intrs[i].line);
-        printk("\n"); }
-#endif
         if (of_address_to_resource(adbs, 0, &r))
                 return -ENXIO;
         adb = ioremap(r.start, sizeof(struct adb_regs));
@@ -117,10 +107,9 @@ int macio_init(void)
         out_8(&adb->active_lo.r, 0xff);
         out_8(&adb->autopoll.r, APE);
 
-        if (request_irq(adbs->intrs[0].line, macio_adb_interrupt,
-                        0, "ADB", (void *)0)) {
-                printk(KERN_ERR "ADB: can't get irq %d\n",
-                       adbs->intrs[0].line);
+        irq = irq_of_parse_and_map(adbs, 0);
+        if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) {
+                printk(KERN_ERR "ADB: can't get irq %d\n", irq);
                 return -EAGAIN;
         }
         out_8(&adb->intr_enb.r, DFB | TAG);
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 40ae7b6a939d..80c0c665b5f6 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -280,75 +280,128 @@ static void macio_release_dev(struct device *dev)
 static int macio_resource_quirks(struct device_node *np, struct resource *res,
                                  int index)
 {
-        if (res->flags & IORESOURCE_MEM) {
-                /* Grand Central has too large resource 0 on some machines */
-                if (index == 0 && !strcmp(np->name, "gc"))
-                        res->end = res->start + 0x1ffff;
+        /* Only quirks for memory resources for now */
+        if ((res->flags & IORESOURCE_MEM) == 0)
+                return 0;
+
+        /* Grand Central has too large resource 0 on some machines */
+        if (index == 0 && !strcmp(np->name, "gc"))
+                res->end = res->start + 0x1ffff;
 
-                /* Airport has bogus resource 2 */
-                if (index >= 2 && !strcmp(np->name, "radio"))
-                        return 1;
+        /* Airport has bogus resource 2 */
+        if (index >= 2 && !strcmp(np->name, "radio"))
+                return 1;
 
 #ifndef CONFIG_PPC64
-                /* DBDMAs may have bogus sizes */
-                if ((res->start & 0x0001f000) == 0x00008000)
-                        res->end = res->start + 0xff;
+        /* DBDMAs may have bogus sizes */
+        if ((res->start & 0x0001f000) == 0x00008000)
+                res->end = res->start + 0xff;
 #endif /* CONFIG_PPC64 */
 
-                /* ESCC parent eats child resources. We could have added a
-                 * level of hierarchy, but I don't really feel the need
-                 * for it
-                 */
-                if (!strcmp(np->name, "escc"))
-                        return 1;
-
-                /* ESCC has bogus resources >= 3 */
-                if (index >= 3 && !(strcmp(np->name, "ch-a") &&
-                                    strcmp(np->name, "ch-b")))
-                        return 1;
-
-                /* Media bay has too many resources, keep only first one */
-                if (index > 0 && !strcmp(np->name, "media-bay"))
-                        return 1;
-
-                /* Some older IDE resources have bogus sizes */
-                if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") &&
-                      strcmp(np->type, "ide") && strcmp(np->type, "ata"))) {
-                        if (index == 0 && (res->end - res->start) > 0xfff)
-                                res->end = res->start + 0xfff;
-                        if (index == 1 && (res->end - res->start) > 0xff)
-                                res->end = res->start + 0xff;
-                }
+        /* ESCC parent eats child resources. We could have added a
+         * level of hierarchy, but I don't really feel the need
+         * for it
+         */
+        if (!strcmp(np->name, "escc"))
+                return 1;
+
+        /* ESCC has bogus resources >= 3 */
+        if (index >= 3 && !(strcmp(np->name, "ch-a") &&
+                            strcmp(np->name, "ch-b")))
+                return 1;
+
+        /* Media bay has too many resources, keep only first one */
+        if (index > 0 && !strcmp(np->name, "media-bay"))
+                return 1;
+
+        /* Some older IDE resources have bogus sizes */
+        if (!(strcmp(np->name, "IDE") && strcmp(np->name, "ATA") &&
+              strcmp(np->type, "ide") && strcmp(np->type, "ata"))) {
+                if (index == 0 && (res->end - res->start) > 0xfff)
+                        res->end = res->start + 0xfff;
+                if (index == 1 && (res->end - res->start) > 0xff)
+                        res->end = res->start + 0xff;
         }
         return 0;
 }
 
+static void macio_create_fixup_irq(struct macio_dev *dev, int index,
+                                   unsigned int line)
+{
+        unsigned int irq;
 
-static void macio_setup_interrupts(struct macio_dev *dev)
+        irq = irq_create_mapping(NULL, line, 0);
+        if (irq != NO_IRQ) {
+                dev->interrupt[index].start = irq;
+                dev->interrupt[index].flags = IORESOURCE_IRQ;
+                dev->interrupt[index].name = dev->ofdev.dev.bus_id;
+        }
+        if (dev->n_interrupts <= index)
+                dev->n_interrupts = index + 1;
+}
+
+static void macio_add_missing_resources(struct macio_dev *dev)
 {
         struct device_node *np = dev->ofdev.node;
-        int i,j;
+        unsigned int irq_base;
+
+        /* Gatwick has some missing interrupts on child nodes */
+        if (dev->bus->chip->type != macio_gatwick)
+                return;
 
-        /* For now, we use pre-parsed entries in the device-tree for
-         * interrupt routing and addresses, but we should change that
-         * to dynamically parsed entries and so get rid of most of the
-         * clutter in struct device_node
+        /* irq_base is always 64 on gatwick. I have no cleaner way to get
+         * that value from here at this point
          */
-        for (i = j = 0; i < np->n_intrs; i++) {
+        irq_base = 64;
+
+        /* Fix SCC */
+        if (strcmp(np->name, "ch-a") == 0) {
+                macio_create_fixup_irq(dev, 0, 15 + irq_base);
+                macio_create_fixup_irq(dev, 1,  4 + irq_base);
+                macio_create_fixup_irq(dev, 2,  5 + irq_base);
+                printk(KERN_INFO "macio: fixed SCC irqs on gatwick\n");
+        }
+
+        /* Fix media-bay */
+        if (strcmp(np->name, "media-bay") == 0) {
+                macio_create_fixup_irq(dev, 0, 29 + irq_base);
+                printk(KERN_INFO "macio: fixed media-bay irq on gatwick\n");
+        }
+
+        /* Fix left media bay childs */
+        if (dev->media_bay != NULL && strcmp(np->name, "floppy") == 0) {
+                macio_create_fixup_irq(dev, 0, 19 + irq_base);
+                macio_create_fixup_irq(dev, 1,  1 + irq_base);
+                printk(KERN_INFO "macio: fixed left floppy irqs\n");
+        }
+        if (dev->media_bay != NULL && strcasecmp(np->name, "ata4") == 0) {
+                macio_create_fixup_irq(dev, 0, 14 + irq_base);
+                macio_create_fixup_irq(dev, 0,  3 + irq_base);
+                printk(KERN_INFO "macio: fixed left ide irqs\n");
+        }
+}
+
+static void macio_setup_interrupts(struct macio_dev *dev)
+{
+        struct device_node *np = dev->ofdev.node;
+        unsigned int irq;
+        int i = 0, j = 0;
+
+        for (;;) {
                 struct resource *res = &dev->interrupt[j];
 
                 if (j >= MACIO_DEV_COUNT_IRQS)
                         break;
-                res->start = np->intrs[i].line;
-                res->flags = IORESOURCE_IO;
-                if (np->intrs[j].sense)
-                        res->flags |= IORESOURCE_IRQ_LOWLEVEL;
-                else
-                        res->flags |= IORESOURCE_IRQ_HIGHEDGE;
+                irq = irq_of_parse_and_map(np, i++);
+                if (irq == NO_IRQ)
+                        break;
+                res->start = irq;
+                res->flags = IORESOURCE_IRQ;
                 res->name = dev->ofdev.dev.bus_id;
-                if (macio_resource_quirks(np, res, i))
+                if (macio_resource_quirks(np, res, i - 1)) {
                         memset(res, 0, sizeof(struct resource));
-                else
+                        continue;
+                } else
                         j++;
         }
         dev->n_interrupts = j;
@@ -445,6 +498,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
         /* Setup interrupts & resources */
         macio_setup_interrupts(dev);
         macio_setup_resources(dev, parent_res);
+        macio_add_missing_resources(dev);
 
         /* Register with core */
         if (of_device_register(&dev->ofdev) != 0) {
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index ff6d9bfdc3d2..f139a74696fe 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -497,8 +497,7 @@ int __init smu_init (void)
         smu->doorbell = *data;
         if (smu->doorbell < 0x50)
                 smu->doorbell += 0x50;
-        if (np->n_intrs > 0)
-                smu->db_irq = np->intrs[0].line;
+        smu->db_irq = irq_of_parse_and_map(np, 0);
 
         of_node_put(np);
 
@@ -515,8 +514,7 @@ int __init smu_init (void)
                 smu->msg = *data;
                 if (smu->msg < 0x50)
                         smu->msg += 0x50;
-                if (np->n_intrs > 0)
-                        smu->msg_irq = np->intrs[0].line;
+                smu->msg_irq = irq_of_parse_and_map(np, 0);
                 of_node_put(np);
         } while(0);
 
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c
index 6501db50fb83..69d5452fd22f 100644
--- a/drivers/macintosh/via-cuda.c
+++ b/drivers/macintosh/via-cuda.c
@@ -34,13 +34,6 @@
 static volatile unsigned char __iomem *via;
 static DEFINE_SPINLOCK(cuda_lock);
 
-#ifdef CONFIG_MAC
-#define CUDA_IRQ IRQ_MAC_ADB
-#define eieio()
-#else
-#define CUDA_IRQ vias->intrs[0].line
-#endif
-
 /* VIA registers - spaced 0x200 bytes apart */
 #define RS              0x200           /* skip between registers */
 #define B               0               /* B-side data */
@@ -189,11 +182,24 @@ int __init find_via_cuda(void)
 
 static int __init via_cuda_start(void)
 {
+    unsigned int irq;
+
     if (via == NULL)
         return -ENODEV;
 
-    if (request_irq(CUDA_IRQ, cuda_interrupt, 0, "ADB", cuda_interrupt)) {
-        printk(KERN_ERR "cuda_init: can't get irq %d\n", CUDA_IRQ);
+#ifdef CONFIG_MAC
+    irq = IRQ_MAC_ADB;
+#else /* CONFIG_MAC */
+    irq = irq_of_parse_and_map(vias, 0);
+    if (irq == NO_IRQ) {
+        printk(KERN_ERR "via-cuda: can't map interrupts for %s\n",
+               vias->full_name);
+        return -ENODEV;
+    }
+#endif /* CONFIG_MAP */
+
+    if (request_irq(irq, cuda_interrupt, 0, "ADB", cuda_interrupt)) {
+        printk(KERN_ERR "via-cuda: can't request irq %d\n", irq);
         return -EAGAIN;
     }
 
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index c1193d34ec9e..06ca80bfd6b9 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -64,10 +64,6 @@
 #include <asm/backlight.h>
 #endif
 
-#ifdef CONFIG_PPC32
-#include <asm/open_pic.h>
-#endif
-
 #include "via-pmu-event.h"
 
 /* Some compile options */
@@ -151,7 +147,7 @@ static int pmu_fully_inited = 0;
 static int pmu_has_adb;
 static struct device_node *gpio_node;
 static unsigned char __iomem *gpio_reg = NULL;
-static int gpio_irq = -1;
+static int gpio_irq = NO_IRQ;
 static int gpio_irq_enabled = -1;
 static volatile int pmu_suspended = 0;
 static spinlock_t pmu_lock;
@@ -403,22 +399,21 @@ static int __init pmu_init(void)
  */
 static int __init via_pmu_start(void)
 {
+        unsigned int irq;
+
         if (vias == NULL)
                 return -ENODEV;
 
         batt_req.complete = 1;
 
-#ifndef CONFIG_PPC_MERGE
-        if (pmu_kind == PMU_KEYLARGO_BASED)
-                openpic_set_irq_priority(vias->intrs[0].line,
-                                         OPENPIC_PRIORITY_DEFAULT + 1);
-#endif
-
-        if (request_irq(vias->intrs[0].line, via_pmu_interrupt, 0, "VIA-PMU",
-                        (void *)0)) {
-                printk(KERN_ERR "VIA-PMU: can't get irq %d\n",
-                       vias->intrs[0].line);
-                return -EAGAIN;
+        irq = irq_of_parse_and_map(vias, 0);
+        if (irq == NO_IRQ) {
+                printk(KERN_ERR "via-pmu: can't map interruptn");
+                return -ENODEV;
+        }
+        if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
+                printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
+                return -ENODEV;
         }
 
         if (pmu_kind == PMU_KEYLARGO_BASED) {
@@ -426,10 +421,10 @@ static int __init via_pmu_start(void)
                 if (gpio_node == NULL)
                         gpio_node = of_find_node_by_name(NULL,
                                                          "pmu-interrupt");
-                if (gpio_node && gpio_node->n_intrs > 0)
-                        gpio_irq = gpio_node->intrs[0].line;
+                if (gpio_node)
+                        gpio_irq = irq_of_parse_and_map(gpio_node, 0);
 
-                if (gpio_irq != -1) {
+                if (gpio_irq != NO_IRQ) {
                         if (request_irq(gpio_irq, gpio1_interrupt, 0,
                                         "GPIO1 ADB", (void *)0))
                                 printk(KERN_ERR "pmu: can't get irq %d"
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index f2c0bf89f0c7..29e4b5aa6ead 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -242,12 +242,12 @@ static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_i
         }
         rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);
         if (rc) {
-                printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[1].line);
+                printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);
                 goto err_free_irq;
         }
         rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);
         if (rc) {
-                printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[2].line);
+                printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);
                 goto err_free_tx_irq;
         }
 
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 459c0231aef3..bfd2a22759eb 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1443,8 +1443,8 @@ static int __init pmz_init_port(struct uart_pmac_port *uap)
                         uap->flags &= ~PMACZILOG_FLAG_HAS_DMA;
                         goto no_dma;
                 }
-                uap->tx_dma_irq = np->intrs[1].line;
-                uap->rx_dma_irq = np->intrs[2].line;
+                uap->tx_dma_irq = irq_of_parse_and_map(np, 1);
+                uap->rx_dma_irq = irq_of_parse_and_map(np, 2);
         }
 no_dma:
 
@@ -1491,7 +1491,7 @@ no_dma:
          * Init remaining bits of "port" structure
          */
         uap->port.iotype = UPIO_MEM;
-        uap->port.irq = np->intrs[0].line;
+        uap->port.irq = irq_of_parse_and_map(np, 0);
         uap->port.uartclk = ZS_CLOCK;
         uap->port.fifosize = 1;
         uap->port.ops = &pmz_pops;
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index bfeb11bd4712..71ce1fa45cf4 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -97,14 +97,43 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                           u_int transp, struct fb_info *info)
 {
         struct offb_par *par = (struct offb_par *) info->par;
+        int i, depth;
+        u32 *pal = info->pseudo_palette;
 
-        if (!par->cmap_adr || regno > 255)
+        depth = info->var.bits_per_pixel;
+        if (depth == 16)
+                depth = (info->var.green.length == 5) ? 15 : 16;
+
+        if (regno > 255 ||
+            (depth == 16 && regno > 63) ||
+            (depth == 15 && regno > 31))
                 return 1;
 
+        if (regno < 16) {
+                switch (depth) {
+                case 15:
+                        pal[regno] = (regno << 10) | (regno << 5) | regno;
+                        break;
+                case 16:
+                        pal[regno] = (regno << 11) | (regno << 5) | regno;
+                        break;
+                case 24:
+                        pal[regno] = (regno << 16) | (regno << 8) | regno;
+                        break;
+                case 32:
+                        i = (regno << 8) | regno;
+                        pal[regno] = (i << 16) | i;
+                        break;
+                }
+        }
+
         red >>= 8;
         green >>= 8;
         blue >>= 8;
 
+        if (!par->cmap_adr)
+                return 0;
+
         switch (par->cmap_type) {
         case cmap_m64:
                 writeb(regno, par->cmap_adr);
@@ -141,20 +170,6 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                 break;
         }
 
-        if (regno < 16)
-                switch (info->var.bits_per_pixel) {
-                case 16:
-                        ((u16 *) (info->pseudo_palette))[regno] =
-                            (regno << 10) | (regno << 5) | regno;
-                        break;
-                case 32:
-                        {
-                                int i = (regno << 8) | regno;
-                                ((u32 *) (info->pseudo_palette))[regno] =
-                                    (i << 16) | i;
-                                break;
-                        }
-                }
         return 0;
 }
 
@@ -223,81 +238,9 @@ int __init offb_init(void)
 {
         struct device_node *dp = NULL, *boot_disp = NULL;
 
-#if defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32)
-        struct device_node *macos_display = NULL;
-#endif
         if (fb_get_options("offb", NULL))
                 return -ENODEV;
 
-#if defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32)
-        /* If we're booted from BootX... */
-        if (boot_infos != 0) {
-                unsigned long addr =
-                    (unsigned long) boot_infos->dispDeviceBase;
-                u32 *addrp;
-                u64 daddr, dsize;
-                unsigned int flags;
-
-                /* find the device node corresponding to the macos display */
-                while ((dp = of_find_node_by_type(dp, "display"))) {
-                        int i;
-
-                        /*
-                         * Look for an AAPL,address property first.
-                         */
-                        unsigned int na;
-                        unsigned int *ap =
-                                (unsigned int *)get_property(dp, "AAPL,address",
-                                                             &na);
-                        if (ap != 0) {
-                                for (na /= sizeof(unsigned int); na > 0;
-                                     --na, ++ap)
-                                        if (*ap <= addr &&
-                                            addr < *ap + 0x1000000) {
-                                                macos_display = dp;
-                                                goto foundit;
-                                        }
-                        }
-
-                        /*
-                         * See if the display address is in one of the address
-                         * ranges for this display.
-                         */
-                        i = 0;
-                        for (;;) {
-                                addrp = of_get_address(dp, i++, &dsize, &flags);
-                                if (addrp == NULL)
-                                        break;
-                                if (!(flags & IORESOURCE_MEM))
-                                        continue;
-                                daddr = of_translate_address(dp, addrp);
-                                if (daddr == OF_BAD_ADDR)
-                                        continue;
-                                if (daddr <= addr && addr < (daddr + dsize)) {
-                                        macos_display = dp;
-                                        goto foundit;
-                                }
-                        }
-                foundit:
-                        if (macos_display) {
-                                printk(KERN_INFO "MacOS display is %s\n",
-                                       dp->full_name);
-                                break;
-                        }
-                }
-
-                /* initialize it */
-                offb_init_fb(macos_display ? macos_display->
-                             name : "MacOS display",
-                             macos_display ? macos_display->
-                             full_name : "MacOS display",
-                             boot_infos->dispDeviceRect[2],
-                             boot_infos->dispDeviceRect[3],
-                             boot_infos->dispDeviceDepth,
-                             boot_infos->dispDeviceRowBytes, addr, NULL);
-        }
-#endif /* defined(CONFIG_BOOTX_TEXT) && defined(CONFIG_PPC32) */
-
         for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
                 if (get_property(dp, "linux,opened", NULL) &&
                     get_property(dp, "linux,boot-display", NULL)) {
@@ -317,94 +260,93 @@ int __init offb_init(void)
 
 static void __init offb_init_nodriver(struct device_node *dp)
 {
-        int *pp, i;
         unsigned int len;
-        int width = 640, height = 480, depth = 8, pitch;
-        unsigned int flags, rsize, *up;
-        u64 address = OF_BAD_ADDR;
-        u32 *addrp;
+        int i, width = 640, height = 480, depth = 8, pitch = 640;
+        unsigned int flags, rsize, addr_prop = 0;
+        unsigned long max_size = 0;
+        u64 rstart, address = OF_BAD_ADDR;
+        u32 *pp, *addrp, *up;
         u64 asize;
 
-        if ((pp = (int *) get_property(dp, "depth", &len)) != NULL
-            && len == sizeof(int))
+        pp = (u32 *)get_property(dp, "linux,bootx-depth", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "depth", &len);
+        if (pp && len == sizeof(u32))
                 depth = *pp;
-        if ((pp = (int *) get_property(dp, "width", &len)) != NULL
-            && len == sizeof(int))
+
+        pp = (u32 *)get_property(dp, "linux,bootx-width", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "width", &len);
+        if (pp && len == sizeof(u32))
                 width = *pp;
-        if ((pp = (int *) get_property(dp, "height", &len)) != NULL
-            && len == sizeof(int))
+
+        pp = (u32 *)get_property(dp, "linux,bootx-height", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "height", &len);
+        if (pp && len == sizeof(u32))
                 height = *pp;
-        if ((pp = (int *) get_property(dp, "linebytes", &len)) != NULL
-            && len == sizeof(int)) {
+
+        pp = (u32 *)get_property(dp, "linux,bootx-linebytes", &len);
+        if (pp == NULL)
+                pp = (u32 *)get_property(dp, "linebytes", &len);
+        if (pp && len == sizeof(u32))
                 pitch = *pp;
-                if (pitch == 1)
-                        pitch = 0x1000;
-        } else
-                pitch = width;
-
-       rsize = (unsigned long)pitch * (unsigned long)height *
-               (unsigned long)(depth / 8);
-
-       /* Try to match device to a PCI device in order to get a properly
-        * translated address rather then trying to decode the open firmware
-        * stuff in various incorrect ways
-        */
-#ifdef CONFIG_PCI
-       /* First try to locate the PCI device if any */
-       {
-               struct pci_dev *pdev = NULL;
-
-               for_each_pci_dev(pdev) {
-                       if (dp == pci_device_to_OF_node(pdev))
-                               break;
-               }
-               if (pdev) {
-                       for (i = 0; i < 6 && address == OF_BAD_ADDR; i++) {
-                               if ((pci_resource_flags(pdev, i) &
-                                    IORESOURCE_MEM) &&
-                                   (pci_resource_len(pdev, i) >= rsize))
-                                       address = pci_resource_start(pdev, i);
-                       }
-                       pci_dev_put(pdev);
-               }
-        }
-#endif /* CONFIG_PCI */
-
-       /* This one is dodgy, we may drop it ... */
-       if (address == OF_BAD_ADDR &&
-           (up = (unsigned *) get_property(dp, "address", &len)) != NULL &&
-           len == sizeof(unsigned int))
-               address = (u64) * up;
-
-       if (address == OF_BAD_ADDR) {
-               for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
-                            != NULL; i++) {
-                       if (!(flags & IORESOURCE_MEM))
-                               continue;
-                       if (asize >= pitch * height * depth / 8)
-                               break;
-               }
-                if (addrp == NULL) {
-                        printk(KERN_ERR
-                               "no framebuffer address found for %s\n",
-                               dp->full_name);
-                        return;
-                }
-                address = of_translate_address(dp, addrp);
-                if (address == OF_BAD_ADDR) {
-                        printk(KERN_ERR
-                               "can't translate framebuffer address for %s\n",
-                               dp->full_name);
-                        return;
+        else
+                pitch = width * ((depth + 7) / 8);
+
+        rsize = (unsigned long)pitch * (unsigned long)height;
+
+        /* Ok, now we try to figure out the address of the framebuffer.
+         *
+         * Unfortunately, Open Firmware doesn't provide a standard way to do
+         * so. All we can do is a dodgy heuristic that happens to work in
+         * practice. On most machines, the "address" property contains what
+         * we need, though not on Matrox cards found in IBM machines. What I've
+         * found that appears to give good results is to go through the PCI
+         * ranges and pick one that is both big enough and if possible encloses
+         * the "address" property. If none match, we pick the biggest
+         */
+        up = (u32 *)get_property(dp, "linux,bootx-addr", &len);
+        if (up == NULL)
+                up = (u32 *)get_property(dp, "address", &len);
+        if (up && len == sizeof(u32))
+                addr_prop = *up;
+
+        for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
+                     != NULL; i++) {
+                int match_addrp = 0;
+
+                if (!(flags & IORESOURCE_MEM))
+                        continue;
+                if (asize < rsize)
+                        continue;
+                rstart = of_translate_address(dp, addrp);
+                if (rstart == OF_BAD_ADDR)
+                        continue;
+                if (addr_prop && (rstart <= addr_prop) &&
+                    ((rstart + asize) >= (addr_prop + rsize)))
+                        match_addrp = 1;
+                if (match_addrp) {
+                        address = addr_prop;
+                        break;
                 }
+                if (rsize > max_size) {
+                        max_size = rsize;
+                        address = OF_BAD_ADDR;
+                }
 
+                if (address == OF_BAD_ADDR)
+                        address = rstart;
+        }
+        if (address == OF_BAD_ADDR && addr_prop)
+                address = (u64)addr_prop;
+        if (address != OF_BAD_ADDR) {
                 /* kludge for valkyrie */
                 if (strcmp(dp->name, "valkyrie") == 0)
                         address += 0x1000;
+                offb_init_fb(dp->name, dp->full_name, width, height, depth,
+                             pitch, address, dp);
         }
-        offb_init_fb(dp->name, dp->full_name, width, height, depth,
-                     pitch, address, dp);
-
 }
 
 static void __init offb_init_fb(const char *name, const char *full_name,
@@ -412,7 +354,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                                 int pitch, unsigned long address,
                                 struct device_node *dp)
 {
-        unsigned long res_size = pitch * height * depth / 8;
+        unsigned long res_size = pitch * height * (depth + 7) / 8;
         struct offb_par *par = &default_par;
         unsigned long res_start = address;
         struct fb_fix_screeninfo *fix;
@@ -426,7 +368,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
         printk(KERN_INFO
                "Using unsupported %dx%d %s at %lx, depth=%d, pitch=%d\n",
                width, height, name, address, depth, pitch);
-        if (depth != 8 && depth != 16 && depth != 32) {
+        if (depth != 8 && depth != 15 && depth != 16 && depth != 32) {
                 printk(KERN_ERR "%s: can't use depth = %d\n", full_name,
                        depth);
                 release_mem_region(res_start, res_size);
@@ -502,7 +444,6 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                                    : */ FB_VISUAL_TRUECOLOR;
 
         var->xoffset = var->yoffset = 0;
-        var->bits_per_pixel = depth;
         switch (depth) {
         case 8:
                 var->bits_per_pixel = 8;
@@ -515,7 +456,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                 var->transp.offset = 0;
                 var->transp.length = 0;
                 break;
-        case 16:                /* RGB 555 */
+        case 15:                /* RGB 555 */
                 var->bits_per_pixel = 16;
                 var->red.offset = 10;
                 var->red.length = 5;
@@ -526,6 +467,17 @@ static void __init offb_init_fb(const char *name, const char *full_name,
                 var->transp.offset = 0;
                 var->transp.length = 0;
                 break;
+        case 16:                /* RGB 565 */
+                var->bits_per_pixel = 16;
+                var->red.offset = 11;
+                var->red.length = 5;
+                var->green.offset = 5;
+                var->green.length = 6;
+                var->blue.offset = 0;
+                var->blue.length = 5;
+                var->transp.offset = 0;
+                var->transp.length = 0;
+                break;
         case 32:                /* RGB 888 */
                 var->bits_per_pixel = 32;
                 var->red.offset = 16;