[POWERPC] Remove PCI-e errata for MPC8641 silicon ver 1.0

Remove errata for PCI-e support of Rev 1.0 of MPC8641 since its considered
obselete and is not production level silicon from Freescale.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Acked-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

3 files changed, 2 insertions, 24 deletions

diff --git a/arch/powerpc/platforms/86xx/mpc86xx.h b/arch/powerpc/platforms/86xx/mpc86xx.h
index 4c2789de045e..23f7ed2a7f88 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx.h
+++ b/arch/powerpc/platforms/86xx/mpc86xx.h
@@ -20,12 +20,6 @@ extern int mpc86xx_add_bridge(struct device_node *dev);
 extern int mpc86xx_exclude_device(struct pci_controller *hose,
                                   u_char bus, u_char devfn);
 
-extern void setup_indirect_pcie(struct pci_controller *hose,
-                                       u32 cfg_addr, u32 cfg_data);
-extern void setup_indirect_pcie_nomap(struct pci_controller *hose,
-                                             void __iomem *cfg_addr,
-                                             void __iomem *cfg_data);
-
 extern void __init mpc86xx_smp_init(void);
 
 #endif  /* __MPC86XX_H__ */
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 042dbce89771..afa82371979f 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -358,8 +358,6 @@ mpc86xx_hpcn_setup_arch(void)
 #ifdef CONFIG_PCI
         for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
                 mpc86xx_add_bridge(np);
-
-        ppc_md.pci_exclude_device = mpc86xx_exclude_device;
 #endif
 
         printk("MPC86xx HPCN board from Freescale Semiconductor\n");
diff --git a/arch/powerpc/platforms/86xx/pci.c b/arch/powerpc/platforms/86xx/pci.c
index 7659259cc974..0db51e8ab5d4 100644
--- a/arch/powerpc/platforms/86xx/pci.c
+++ b/arch/powerpc/platforms/86xx/pci.c
@@ -133,19 +133,6 @@ mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)
         early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);
 
         early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
-
-        /* PCIE Bus, Fix the MPC8641D host bridge's location to bus 0xFF. */
-        early_read_config_dword(hose, 0, 0, PCI_PRIMARY_BUS, &temps);
-        temps = (temps & 0xff000000) | (0xff) | (0x0 << 8) | (0xfe << 16);
-        early_write_config_dword(hose, 0, 0, PCI_PRIMARY_BUS, temps);
-}
-
-int mpc86xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn)
-{
-        if (bus == 0 && PCI_SLOT(devfn) == 0)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-
-        return PCIBIOS_SUCCESSFUL;
 }
 
 int __init mpc86xx_add_bridge(struct device_node *dev)
@@ -173,11 +160,10 @@ int __init mpc86xx_add_bridge(struct device_node *dev)
                 return -ENOMEM;
         hose->arch_data = dev;
 
-        /* last_busno = 0xfe cause by MPC8641 PCIE bug */
         hose->first_busno = bus_range ? bus_range[0] : 0x0;
-        hose->last_busno = bus_range ? bus_range[1] : 0xfe;
+        hose->last_busno = bus_range ? bus_range[1] : 0xff;
 
-        setup_indirect_pcie(hose, rsrc.start, rsrc.start + 0x4);
+        setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4);
 
         /* Setup the PCIE host controller. */
         mpc86xx_setup_pcie(hose, rsrc.start, rsrc.end - rsrc.start + 1);