#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);
out_be32(&pi->piwar, flag | sz);
}
+int fsl_setup_hose(struct pci_controller *hose, unsigned long addr)
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) addr;
+
+ pci_setup_indirect(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
+
+ return fsl_is_pci_agent(hose);
+}
+
static int fsl_pci_setup_inbound_windows(struct pci_controller *hose,
u64 out_lo, u8 pcie_cap,
volatile pit_t *pi)
}
}
+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
*/
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);