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-rw-r--r--drivers/pcmcia/Kconfig5
-rw-r--r--drivers/pcmcia/m8xx_pcmcia.c2
-rw-r--r--drivers/pcmcia/rsrc_mgr.c102
3 files changed, 107 insertions, 2 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index ea00b1f3cb44..df93df64c9f3 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -182,7 +182,7 @@ config TCIC
config PCMCIA_M8XX
tristate "MPC8xx PCMCIA support"
depends on PCMCIA && PPC && 8xx
- select PCCARD_NONSTATIC
+ select PCCARD_IODYN
help
Say Y here to include support for PowerPC 8xx series PCMCIA
controller.
@@ -266,6 +266,9 @@ config OMAP_CF
config PCCARD_NONSTATIC
tristate
+config PCCARD_IODYN
+ bool
+
endif # PCCARD
endmenu
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index a7f27c3dfc24..570e4e868b24 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -1232,7 +1232,7 @@ static int __init m8xx_init(void)
socket[i].socket.io_offset = 0;
socket[i].socket.pci_irq = i ? 7 : 9;
socket[i].socket.ops = &m8xx_services;
- socket[i].socket.resource_ops = &pccard_nonstatic_ops;
+ socket[i].socket.resource_ops = &pccard_iodyn_ops;
socket[i].socket.cb_dev = NULL;
socket[i].socket.dev.dev = &m8xx_device.dev;
}
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index b02598a5a912..514609369836 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -166,3 +166,105 @@ struct pccard_resource_ops pccard_static_ops = {
.exit = NULL,
};
EXPORT_SYMBOL(pccard_static_ops);
+
+
+#ifdef CONFIG_PCCARD_IODYN
+
+static struct resource *
+make_resource(unsigned long b, unsigned long n, int flags, char *name)
+{
+ struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
+
+ if (res) {
+ res->name = name;
+ res->start = b;
+ res->end = b + n - 1;
+ res->flags = flags;
+ }
+ return res;
+}
+
+struct pcmcia_align_data {
+ unsigned long mask;
+ unsigned long offset;
+};
+
+static void pcmcia_align(void *align_data, struct resource *res,
+ unsigned long size, unsigned long align)
+{
+ struct pcmcia_align_data *data = align_data;
+ unsigned long start;
+
+ start = (res->start & ~data->mask) + data->offset;
+ if (start < res->start)
+ start += data->mask + 1;
+ res->start = start;
+
+#ifdef CONFIG_X86
+ if (res->flags & IORESOURCE_IO) {
+ if (start & 0x300) {
+ start = (start + 0x3ff) & ~0x3ff;
+ res->start = start;
+ }
+ }
+#endif
+
+#ifdef CONFIG_M68K
+ if (res->flags & IORESOURCE_IO) {
+ if ((res->start + size - 1) >= 1024)
+ res->start = res->end;
+ }
+#endif
+}
+
+
+static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start,
+ unsigned long r_end, struct pcmcia_socket *s)
+{
+ return adjust_resource(res, r_start, r_end - r_start + 1);
+}
+
+
+static struct resource *iodyn_find_io_region(unsigned long base, int num,
+ unsigned long align, struct pcmcia_socket *s)
+{
+ struct resource *res = make_resource(0, num, IORESOURCE_IO,
+ s->dev.class_id);
+ struct pcmcia_align_data data;
+ unsigned long min = base;
+ int ret;
+
+ if (align == 0)
+ align = 0x10000;
+
+ data.mask = align - 1;
+ data.offset = base & data.mask;
+
+#ifdef CONFIG_PCI
+ if (s->cb_dev) {
+ ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
+ min, 0, pcmcia_align, &data);
+ } else
+#endif
+ ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
+ 1, pcmcia_align, &data);
+
+ if (ret != 0) {
+ kfree(res);
+ res = NULL;
+ }
+ return res;
+}
+
+struct pccard_resource_ops pccard_iodyn_ops = {
+ .validate_mem = NULL,
+ .adjust_io_region = iodyn_adjust_io_region,
+ .find_io = iodyn_find_io_region,
+ .find_mem = NULL,
+ .adjust_resource = NULL,
+ .init = static_init,
+ .exit = NULL,
+};
+EXPORT_SYMBOL(pccard_iodyn_ops);
+
+#endif /* CONFIG_PCCARD_IODYN */