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authorHauke Mehrtens <hauke@openwrt.org>2013-06-12 14:47:53 +0000
committerHauke Mehrtens <hauke@openwrt.org>2013-06-12 14:47:53 +0000
commit7a79a9e8f6544681f2352a27d15929340f3a2bd8 (patch)
tree059ba4396db805a0ff0ad3d87c2753bf11212ced /target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch
parent88d915351c36f2153a1000458a642cc4ce400a32 (diff)
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brcm47xx: add initial support for kernel 3.9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36926 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch b/target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch
new file mode 100644
index 0000000000..1739ff78ab
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.9/940-bcm47xx-yenta.patch
@@ -0,0 +1,46 @@
+--- a/drivers/pcmcia/yenta_socket.c
++++ b/drivers/pcmcia/yenta_socket.c
+@@ -920,6 +920,8 @@ static unsigned int yenta_probe_irq(stru
+ * Probe for usable interrupts using the force
+ * register to generate bogus card status events.
+ */
++#ifndef CONFIG_BCM47XX
++ /* WRT54G3G does not like this */
+ cb_writel(socket, CB_SOCKET_EVENT, -1);
+ cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
+ reg = exca_readb(socket, I365_CSCINT);
+@@ -935,6 +937,7 @@ static unsigned int yenta_probe_irq(stru
+ }
+ cb_writel(socket, CB_SOCKET_MASK, 0);
+ exca_writeb(socket, I365_CSCINT, reg);
++#endif
+
+ mask = probe_irq_mask(val) & 0xffff;
+
+@@ -1019,6 +1022,10 @@ static void yenta_get_socket_capabilitie
+ else
+ socket->socket.irq_mask = 0;
+
++ /* irq mask probing is broken for the WRT54G3G */
++ if (socket->socket.irq_mask == 0)
++ socket->socket.irq_mask = 0x6f8;
++
+ dev_printk(KERN_INFO, &socket->dev->dev,
+ "ISA IRQ mask 0x%04x, PCI irq %d\n",
+ socket->socket.irq_mask, socket->cb_irq);
+@@ -1257,6 +1264,15 @@ static int yenta_probe(struct pci_dev *d
+ dev_printk(KERN_INFO, &dev->dev,
+ "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);
++
+ yenta_fixup_parent_bridge(dev->subordinate);
+
+ /* Register it with the pcmcia layer.. */