BCM1480 HT support
PCI support code for PLX 7250 PCI-X tunnel on BCM91480B BigSur board.
Signed-Off-By: Andy Isaacson <adi@broadcom.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c
index 12bb744..4905d85 100644
--- a/arch/mips/pci/pci-bcm1480.c
+++ b/arch/mips/pci/pci-bcm1480.c
@@ -56,13 +56,11 @@
static void *cfg_space;
#define PCI_BUS_ENABLED 1
-#define LDT_BUS_ENABLED 2
-#define PCI_DEVICE_MODE 4
+#define PCI_DEVICE_MODE 2
static int bcm1480_bus_status = 0;
#define PCI_BRIDGE_DEVICE 0
-#define LDT_BRIDGE_DEVICE 1
/*
* Read/write 32-bit values in config space.
@@ -95,10 +93,13 @@
*/
static int bcm1480_pci_can_access(struct pci_bus *bus, int devfn)
{
+ u32 devno;
+
if (!(bcm1480_bus_status & (PCI_BUS_ENABLED | PCI_DEVICE_MODE)))
return 0;
if (bus->number == 0) {
+ devno = PCI_SLOT(devfn);
if (bcm1480_bus_status & PCI_DEVICE_MODE)
return 0;
else
@@ -175,15 +176,15 @@
static struct resource bcm1480_mem_resource = {
.name = "BCM1480 PCI MEM",
- .start = 0x40000000UL,
- .end = 0x5fffffffUL,
+ .start = 0x30000000UL,
+ .end = 0x3fffffffUL,
.flags = IORESOURCE_MEM,
};
static struct resource bcm1480_io_resource = {
.name = "BCM1480 PCI I/O",
- .start = 0x00000000UL,
- .end = 0x01ffffffUL,
+ .start = 0x2c000000UL,
+ .end = 0x2dffffffUL,
.flags = IORESOURCE_IO,
};
@@ -207,9 +208,9 @@
PCIBIOS_MIN_IO = 0x00008000UL;
PCIBIOS_MIN_MEM = 0x01000000UL;
- /* Set I/O resource limits. */
- ioport_resource.end = 0x01ffffffUL; /* 32MB accessible by bcm1480 */
- iomem_resource.end = 0xffffffffUL; /* no HT support yet */
+ /* Set I/O resource limits. - unlimited for now to accomodate HT */
+ ioport_resource.end = 0xffffffffUL;
+ iomem_resource.end = 0xffffffffUL;
cfg_space = ioremap(A_BCM1480_PHYS_PCI_CFG_MATCH_BITS, 16*1024*1024);