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path: root/drivers/zorro/zorro.c
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Diffstat (limited to 'drivers/zorro/zorro.c')
-rw-r--r--drivers/zorro/zorro.c58
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,
},
};