openwrt/target/linux/bcm47xx/patches-6.1/940-bcm47xx-yenta.patch
Rafał Miłecki 8583a97c06 bcm47xx: add testing support for kernel 6.1
Tested on Luxul XWR-1750 (BCM4706). Working: switch (LAN, WAN), LEDs,
sysupgrade.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2024-03-29 00:11:04 +01:00

49 lines
1.4 KiB
Diff

--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -925,6 +925,8 @@ static struct cardbus_type cardbus_type[
static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
{
+/* WRT54G3G does not like this */
+#ifndef CONFIG_BCM47XX
int i;
unsigned long val;
u32 mask;
@@ -953,6 +955,9 @@ static unsigned int yenta_probe_irq(stru
mask = probe_irq_mask(val) & 0xffff;
return mask;
+#else
+ return 0;
+#endif
}
@@ -1033,6 +1038,10 @@ 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_info(&socket->dev->dev, "ISA IRQ mask 0x%04x, PCI irq %d\n",
socket->socket.irq_mask, socket->cb_irq);
}
@@ -1264,6 +1273,15 @@ static int yenta_probe(struct pci_dev *d
dev_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.. */