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>

1 files changed, 11 insertions, 10 deletions

diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c
index 12bb74454137..4905d8593d6d 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 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
  */
 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 @@ struct pci_ops bcm1480_pci_ops = {
 
 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 @@ static int __init bcm1480_pcibios_init(void)
         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);