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Index: linux-2.4.35.4/drivers/pcmcia/yenta.c
===================================================================
--- linux-2.4.35.4.orig/drivers/pcmcia/yenta.c 2007-12-15 05:19:36.066476349 +0100
+++ linux-2.4.35.4/drivers/pcmcia/yenta.c 2007-12-15 05:20:16.268767348 +0100
@@ -543,6 +543,9 @@
* Probe for usable interrupts using the force
* register to generate bogus card status events.
*/
+
+#ifndef CONFIG_BCM947XX
+ /* WRT54G3G does not like this */
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
exca_writeb(socket, I365_CSCINT, 0);
@@ -557,7 +560,8 @@
}
cb_writel(socket, CB_SOCKET_MASK, 0);
exca_writeb(socket, I365_CSCINT, 0);
-
+#endif
+
mask = probe_irq_mask(val) & 0xffff;
bridge_ctrl &= ~CB_BRIDGE_INTR;
@@ -578,6 +582,12 @@
socket->cap.cb_dev = socket->dev;
socket->cap.bus = NULL;
+#ifdef CONFIG_BCM947XX
+ /* irq mask probing is broken for the WRT54G3G */
+ if (socket->cap.irq_mask == 0)
+ socket->cap.irq_mask = 0x6f8;
+#endif
+
printk(KERN_INFO "Yenta ISA IRQ mask 0x%04x, PCI irq %d\n",
socket->cap.irq_mask, socket->cb_irq);
}
@@ -609,6 +619,15 @@
printk(KERN_INFO "Socket status: %08x\n",
cb_readl(socket, CB_SOCKET_STATE));
+ /* Generate an interrupt on card insert/remove */
+ config_writew(socket, CB_SOCKET_MASK, CB_CSTSMASK | CB_CDMASK);
+
+ /* Set up Multifunction Routing Status Register */
+ config_writew(socket, 0x8C, 0x1000 /* MFUNC3 to GPIO3 */ | 0x2 /* MFUNC0 to INTA */);
+
+ /* Switch interrupts to parallelized */
+ config_writeb(socket, 0x92, 0x64);
+
/* Register it with the pcmcia layer.. */
cardbus_register(socket);
@@ -731,7 +750,7 @@
{
struct pci_bus *bus;
struct resource *root, *res;
- u32 start, end;
+ u32 start = 0, end = 0;
u32 align, size, min, max;
unsigned offset;
unsigned mask;
@@ -750,6 +769,15 @@
res->end = 0;
root = pci_find_parent_resource(socket->dev, res);
+#ifdef CONFIG_BCM947XX
+ /* default mem resources are completely fscked up on the wrt54g3g */
+ /* bypass the entire resource allocation stuff below and just set it statically */
+ if (type & IORESOURCE_MEM) {
+ res->start = 0x40004000;
+ res->end = res->start + 0x3fff;
+ }
+
+#else
if (!root)
return;
@@ -794,6 +822,7 @@
res->start = res->end = 0;
return;
}
+#endif
config_writel(socket, offset, res->start);
config_writel(socket, offset+4, res->end);
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