fsl/pcie: Change 'no link' to 'undetermined' for pcie endpoint
authorZang Roy-R61911 <tie-fei.zang@freescale.com>
Thu, 12 Jun 2014 19:49:23 +0000 (14:49 -0500)
committerYork Sun <yorksun@freescale.com>
Tue, 22 Jul 2014 23:25:54 +0000 (16:25 -0700)
Even u-boot boots up, the pcie link may not setup correctly when
Freescale SOC acts as endpoint.
So change the link status from 'no link' to 'undetermined' to
reduce the confusion.
The link status can check from host side eventually.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
drivers/pci/fsl_pci_init.c

index 3a41b0e..231b075 100644 (file)
@@ -504,8 +504,14 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
                }
 #endif
                if (!enabled) {
-                       /* Let the user know there's no PCIe link */
-                       printf("no link, regs @ 0x%lx\n", pci_info->regs);
+                       /* Let the user know there's no PCIe link for root
+                        * complex. for endpoint, the link may not setup, so
+                        * print undetermined.
+                        */
+                       if (fsl_is_pci_agent(hose))
+                               printf("undetermined, regs @ 0x%lx\n", pci_info->regs);
+                       else
+                               printf("no link, regs @ 0x%lx\n", pci_info->regs);
                        hose->last_busno = hose->first_busno;
                        return;
                }