Merge branch 'master' into next

1 files changed, 17 insertions, 15 deletions

diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 8fbab68a2..170cc257c 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -42,6 +42,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define FSL_PCI_PBFR		0x44
 #define FSL_PCIE_CAP_ID		0x4c
 #define FSL_PCIE_CFG_RDY	0x4b0
+#define FSL_PROG_IF_AGENT	0x1
 
 void pciauto_prescan_setup_bridge(struct pci_controller *hose,
 				pci_dev_t dev, int sub_bus);
@@ -412,28 +413,24 @@ void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
 	}
 }
 
+int fsl_is_pci_agent(struct pci_controller *hose)
+{
+	u8 prog_if;
+	pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
+
+	pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prog_if);
+
+	return (prog_if == FSL_PROG_IF_AGENT);
+}
+
 int fsl_pci_init_port(struct fsl_pci_info *pci_info,
-			struct pci_controller *hose, int busno, int pcie_ep)
+			struct pci_controller *hose, int busno)
 {
 	volatile ccsr_fsl_pci_t *pci;
 	struct pci_region *r;
 
 	pci = (ccsr_fsl_pci_t *) pci_info->regs;
 
-	if (pcie_ep) {
-		volatile pit_t *pi = &pci->pit[2];
-
-		pci_setup_indirect(hose, (u32)&pci->cfg_addr,
-					 (u32)&pci->cfg_data);
-		out_be32(&pi->pitar, 0);
-		out_be32(&pi->piwbar, 0);
-		out_be32(&pi->piwar, PIWAR_EN | PIWAR_LOCAL |
-			PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_IWS_4K);
-
-		fsl_pci_config_unlock(hose);
-		return 0;
-	}
-
 	/* on non-PCIe controllers we don't have pme_msg_det so this code
 	 * should do nothing since the read will return 0
 	 */
@@ -464,6 +461,11 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
 
 	fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
 
+	if (fsl_is_pci_agent(hose)) {
+		fsl_pci_config_unlock(hose);
+		hose->last_busno = hose->first_busno;
+	}
+
 	printf("    PCIE%x on bus %02x - %02x\n", pci_info->pci_num,
 			hose->first_busno, hose->last_busno);