diff options
Diffstat (limited to 'target/linux/brcm-2.4/patches/009-wrt54g3g_pcmcia.patch')
| -rw-r--r-- | target/linux/brcm-2.4/patches/009-wrt54g3g_pcmcia.patch | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/patches/009-wrt54g3g_pcmcia.patch b/target/linux/brcm-2.4/patches/009-wrt54g3g_pcmcia.patch new file mode 100644 index 0000000000..0759eeb40e --- /dev/null +++ b/target/linux/brcm-2.4/patches/009-wrt54g3g_pcmcia.patch @@ -0,0 +1,119 @@ +diff -urN linux.old/arch/mips/bcm947xx/pcibios.c linux.dev/arch/mips/bcm947xx/pcibios.c +--- linux.old/arch/mips/bcm947xx/pcibios.c 2006-04-07 21:20:59.000000000 +0200 ++++ linux.dev/arch/mips/bcm947xx/pcibios.c 2006-04-08 03:17:59.000000000 +0200 +@@ -157,6 +157,7 @@ + + static u32 pci_iobase = 0x100; + static u32 pci_membase = SB_PCI_DMA; ++static u32 pcmcia_membase = 0x40004000; + + void __init + pcibios_fixup_bus(struct pci_bus *b) +@@ -188,7 +189,7 @@ + /* Fix up resource bases */ + for (pos = 0; pos < 6; pos++) { + res = &d->resource[pos]; +- base = (res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase; ++ base = (res->flags & IORESOURCE_IO) ? &pci_iobase : ((b->number == 2) ? &pcmcia_membase : &pci_membase); + if (res->end) { + size = res->end - res->start + 1; + if (*base & (size - 1)) +@@ -308,7 +309,12 @@ + where = PCI_BASE_ADDRESS_0 + (resource * 4); + size = res->end - res->start; + pci_read_config_dword(dev, where, ®); +- reg = (reg & size) | (((u32)(res->start - root->start)) & ~size); ++ ++ if (dev->bus->number == 1) ++ reg = (reg & size) | (((u32)(res->start - root->start)) & ~size); ++ else ++ reg = res->start; ++ + pci_write_config_dword(dev, where, reg); + } + +diff -urN linux.old/drivers/pcmcia/yenta.c linux.dev/drivers/pcmcia/yenta.c +--- linux.old/drivers/pcmcia/yenta.c 2004-11-17 12:54:21.000000000 +0100 ++++ linux.dev/drivers/pcmcia/yenta.c 2006-04-11 17:47:45.000000000 +0200 +@@ -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); |