powerpc: Move mpc83xx_add_bridge to fsl_pci.c
This allows other platforms with the same pci block like MPC5121 to use it.
Signed-off-by: John Rigby <jrigby@freescale.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 87b0aa1..61e6d77 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -27,6 +27,7 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
/* atmu setup for fsl pci/pcie controller */
void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)
{
@@ -248,3 +249,63 @@
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header);
DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header);
+#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */
+
+#if defined(CONFIG_PPC_83xx)
+int __init mpc83xx_add_bridge(struct device_node *dev)
+{
+ int len;
+ struct pci_controller *hose;
+ struct resource rsrc;
+ const int *bus_range;
+ int primary = 1, has_address = 0;
+ phys_addr_t immr = get_immrbase();
+
+ pr_debug("Adding PCI host bridge %s\n", dev->full_name);
+
+ /* Fetch host bridge registers address */
+ has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
+
+ /* Get bus range if any */
+ bus_range = of_get_property(dev, "bus-range", &len);
+ if (bus_range == NULL || len < 2 * sizeof(int)) {
+ printk(KERN_WARNING "Can't get bus-range for %s, assume"
+ " bus 0\n", dev->full_name);
+ }
+
+ ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS;
+ hose = pcibios_alloc_controller(dev);
+ if (!hose)
+ return -ENOMEM;
+
+ hose->first_busno = bus_range ? bus_range[0] : 0;
+ hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+ /* MPC83xx supports up to two host controllers one at 0x8500 from immrbar
+ * the other at 0x8600, we consider the 0x8500 the primary controller
+ */
+ /* PCI 1 */
+ if ((rsrc.start & 0xfffff) == 0x8500) {
+ setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0);
+ }
+ /* PCI 2 */
+ if ((rsrc.start & 0xfffff) == 0x8600) {
+ setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0);
+ primary = 0;
+ }
+
+ printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. "
+ "Firmware bus number: %d->%d\n",
+ (unsigned long long)rsrc.start, hose->first_busno,
+ hose->last_busno);
+
+ pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
+ hose, hose->cfg_addr, hose->cfg_data);
+
+ /* Interpret the "ranges" property */
+ /* This also maps the I/O region and sets isa_io/mem_base */
+ pci_process_bridge_OF_ranges(hose, dev, primary);
+
+ return 0;
+}
+#endif /* CONFIG_PPC_83xx */