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authorHauke Mehrtens <hauke@hauke-m.de>2015-07-03 23:18:33 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2015-07-03 23:18:33 +0000
commitb5b630ae3884ce8f4b416cb06a91ebc002ce83ed (patch)
treedf0c2ab857739fc785016c21b760de44da2eed90 /target/linux/brcm47xx/patches-4.1/940-bcm47xx-yenta.patch
parent7e2450f03cf80d0cfcb66f4d2f242c2766aa773b (diff)
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brcm47xx: add support for kernel 4.1
This adds support for kernel 4.1 and removes kernel 4.0. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 46166
Diffstat (limited to 'target/linux/brcm47xx/patches-4.1/940-bcm47xx-yenta.patch')
-rw-r--r--target/linux/brcm47xx/patches-4.1/940-bcm47xx-yenta.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.1/940-bcm47xx-yenta.patch b/target/linux/brcm47xx/patches-4.1/940-bcm47xx-yenta.patch
new file mode 100644
index 0000000000..77c10fcebb
--- /dev/null
+++ b/target/linux/brcm47xx/patches-4.1/940-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);
+@@ -1255,6 +1262,15 @@ 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.. */