mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 18:19:02 +00:00
87 lines
2.6 KiB
Diff
87 lines
2.6 KiB
Diff
Index: linux-2.4.35.4/drivers/pcmcia/yenta.c
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===================================================================
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--- linux-2.4.35.4.orig/drivers/pcmcia/yenta.c
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+++ linux-2.4.35.4/drivers/pcmcia/yenta.c
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@@ -543,6 +543,9 @@ static unsigned int yenta_probe_irq(pci_
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* Probe for usable interrupts using the force
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* register to generate bogus card status events.
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*/
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+
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+#ifndef CONFIG_BCM947XX
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+ /* WRT54G3G does not like this */
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cb_writel(socket, CB_SOCKET_EVENT, -1);
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cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
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exca_writeb(socket, I365_CSCINT, 0);
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@@ -557,7 +560,8 @@ static unsigned int yenta_probe_irq(pci_
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}
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cb_writel(socket, CB_SOCKET_MASK, 0);
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exca_writeb(socket, I365_CSCINT, 0);
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-
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+#endif
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+
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mask = probe_irq_mask(val) & 0xffff;
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bridge_ctrl &= ~CB_BRIDGE_INTR;
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@@ -578,6 +582,12 @@ static void yenta_get_socket_capabilitie
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socket->cap.cb_dev = socket->dev;
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socket->cap.bus = NULL;
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+#ifdef CONFIG_BCM947XX
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+ /* irq mask probing is broken for the WRT54G3G */
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+ if (socket->cap.irq_mask == 0)
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+ socket->cap.irq_mask = 0x6f8;
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+#endif
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+
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printk(KERN_INFO "Yenta ISA IRQ mask 0x%04x, PCI irq %d\n",
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socket->cap.irq_mask, socket->cb_irq);
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}
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@@ -609,6 +619,15 @@ static void yenta_open_bh(void * data)
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printk(KERN_INFO "Socket status: %08x\n",
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cb_readl(socket, CB_SOCKET_STATE));
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+ /* Generate an interrupt on card insert/remove */
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+ config_writew(socket, CB_SOCKET_MASK, CB_CSTSMASK | CB_CDMASK);
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+
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+ /* Set up Multifunction Routing Status Register */
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+ config_writew(socket, 0x8C, 0x1000 /* MFUNC3 to GPIO3 */ | 0x2 /* MFUNC0 to INTA */);
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+
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+ /* Switch interrupts to parallelized */
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+ config_writeb(socket, 0x92, 0x64);
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+
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/* Register it with the pcmcia layer.. */
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cardbus_register(socket);
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@@ -731,7 +750,7 @@ static void yenta_allocate_res(pci_socke
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{
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struct pci_bus *bus;
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struct resource *root, *res;
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- u32 start, end;
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+ u32 start = 0, end = 0;
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u32 align, size, min, max;
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unsigned offset;
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unsigned mask;
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@@ -750,6 +769,15 @@ static void yenta_allocate_res(pci_socke
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res->end = 0;
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root = pci_find_parent_resource(socket->dev, res);
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+#ifdef CONFIG_BCM947XX
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+ /* default mem resources are completely fscked up on the wrt54g3g */
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+ /* bypass the entire resource allocation stuff below and just set it statically */
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+ if (type & IORESOURCE_MEM) {
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+ res->start = 0x40004000;
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+ res->end = res->start + 0x3fff;
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+ }
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+
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+#else
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if (!root)
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return;
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@@ -794,6 +822,7 @@ static void yenta_allocate_res(pci_socke
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res->start = res->end = 0;
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return;
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}
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+#endif
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config_writel(socket, offset, res->start);
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config_writel(socket, offset+4, res->end);
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