diff options
Diffstat (limited to 'drivers/zorro/zorro.c')
| -rw-r--r-- | drivers/zorro/zorro.c | 58 |
1 files changed, 39 insertions, 19 deletions
diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index 858c9714b2f3..4e23d53d269e 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -16,8 +16,11 @@ #include <linux/bitops.h> #include <linux/string.h> #include <linux/platform_device.h> +#include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/string_choices.h> +#include <asm/byteorder.h> #include <asm/setup.h> #include <asm/amigahw.h> @@ -29,7 +32,8 @@ */ unsigned int zorro_num_autocon; -struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO]; +struct zorro_dev_init zorro_autocon_init[ZORRO_NUM_AUTO] __initdata; +struct zorro_dev *zorro_autocon; /* @@ -38,6 +42,7 @@ struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO]; struct zorro_bus { struct device dev; + struct zorro_dev devices[]; }; @@ -97,6 +102,7 @@ static void __init mark_region(unsigned long start, unsigned long end, end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START; while (start < end) { u32 chunk = start>>Z2RAM_CHUNKSHIFT; + if (flag) set_bit(chunk, zorro_unused_z2ram); else @@ -112,31 +118,31 @@ static struct resource __init *zorro_find_parent_resource( int i; for (i = 0; i < bridge->num_resources; i++) { - struct resource *r = &bridge->resource[i]; - if (zorro_resource_start(z) >= r->start && - zorro_resource_end(z) <= r->end) - return r; + if (resource_contains(&bridge->resource[i], &z->resource)) + return &bridge->resource[i]; } + return &iomem_resource; } - - static int __init amiga_zorro_probe(struct platform_device *pdev) { struct zorro_bus *bus; + struct zorro_dev_init *zi; struct zorro_dev *z; struct resource *r; unsigned int i; int error; /* Initialize the Zorro bus */ - bus = kzalloc(sizeof(*bus), GFP_KERNEL); + bus = kzalloc(struct_size(bus, devices, zorro_num_autocon), + GFP_KERNEL); if (!bus) return -ENOMEM; + zorro_autocon = bus->devices; bus->dev.parent = &pdev->dev; - dev_set_name(&bus->dev, "zorro"); + dev_set_name(&bus->dev, zorro_bus_type.name); error = device_register(&bus->dev); if (error) { pr_err("Zorro: Error registering zorro_bus\n"); @@ -147,29 +153,47 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) platform_set_drvdata(pdev, bus); pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n", - zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); + zorro_num_autocon, str_plural(zorro_num_autocon)); /* First identify all devices ... */ for (i = 0; i < zorro_num_autocon; i++) { + zi = &zorro_autocon_init[i]; z = &zorro_autocon[i]; - z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); + + z->rom = zi->rom; + z->id = (be16_to_cpu(z->rom.er_Manufacturer) << 16) | + (z->rom.er_Product << 8); if (z->id == ZORRO_PROD_GVP_EPC_BASE) { /* GVP quirk */ - unsigned long magic = zorro_resource_start(z)+0x8000; + unsigned long magic = zi->boardaddr + 0x8000; + z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK; } + z->slotaddr = zi->slotaddr; + z->slotsize = zi->slotsize; sprintf(z->name, "Zorro device %08x", z->id); zorro_name_device(z); - z->resource.name = z->name; + z->resource = DEFINE_RES_MEM_NAMED(zi->boardaddr, zi->boardsize, z->name); r = zorro_find_parent_resource(pdev, z); error = request_resource(r, &z->resource); - if (error) + if (error && !(z->rom.er_Type & ERTF_MEMLIST)) dev_err(&bus->dev, "Address space collision on device %s %pR\n", z->name, &z->resource); - dev_set_name(&z->dev, "%02x", i); z->dev.parent = &bus->dev; z->dev.bus = &zorro_bus_type; + z->dev.id = i; + switch (z->rom.er_Type & ERT_TYPEMASK) { + case ERT_ZORROIII: + z->dev.coherent_dma_mask = DMA_BIT_MASK(32); + break; + + case ERT_ZORROII: + default: + z->dev.coherent_dma_mask = DMA_BIT_MASK(24); + break; + } + z->dev.dma_mask = &z->dev.coherent_dma_mask; } /* ... then register them */ @@ -182,9 +206,6 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) put_device(&z->dev); continue; } - error = zorro_create_sysfs_dev_files(z); - if (error) - dev_err(&z->dev, "Error creating sysfs files\n"); } /* Mark all available Zorro II memory */ @@ -207,7 +228,6 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) static struct platform_driver amiga_zorro_driver = { .driver = { .name = "amiga-zorro", - .owner = THIS_MODULE, }, }; |
