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-rw-r--r--drivers/pci/fsl_pci_init.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 1d75a82..0d46c96 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -211,6 +211,95 @@ static int fsl_pci_setup_inbound_windows(struct pci_controller *hose,
return 1;
}
+#ifdef CONFIG_FSL_CORENET
+static void fsl_pcie_boot_master(pit_t *pi)
+{
+ /* configure inbound window for slave's u-boot image */
+ debug("PCIEBOOT - MASTER: Inbound window for slave's image; "
+ "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
+ (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS1,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
+ struct pci_region r_inbound;
+ u32 sz_inbound = __ilog2_u64(CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE)
+ - 1;
+ pci_set_region(&r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS1,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
+ sz_inbound,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+ set_inbound_window(pi--, &r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
+
+ /* configure inbound window for slave's u-boot image */
+ debug("PCIEBOOT - MASTER: Inbound window for slave's image; "
+ "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
+ (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS2,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
+ pci_set_region(&r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS2,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
+ sz_inbound,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+ set_inbound_window(pi--, &r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
+
+ /* configure inbound window for slave's ucode and ENV */
+ debug("PCIEBOOT - MASTER: Inbound window for slave's "
+ "ucode and ENV; "
+ "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
+ (u64)CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_PHYS,
+ (u64)CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_BUS,
+ CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE);
+ sz_inbound = __ilog2_u64(CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE)
+ - 1;
+ pci_set_region(&r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_BUS,
+ CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_PHYS,
+ sz_inbound,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+ set_inbound_window(pi--, &r_inbound,
+ CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE);
+}
+
+static void fsl_pcie_boot_master_release_slave(int port)
+{
+ unsigned long release_addr;
+
+ /* now release slave's core 0 */
+ switch (port) {
+ case 1:
+ release_addr = CONFIG_SYS_PCIE1_MEM_VIRT
+ + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
+ break;
+ case 2:
+ release_addr = CONFIG_SYS_PCIE2_MEM_VIRT
+ + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
+ break;
+ case 3:
+ release_addr = CONFIG_SYS_PCIE3_MEM_VIRT
+ + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
+ break;
+ default:
+ release_addr = 0;
+ break;
+ }
+ if (release_addr != 0) {
+ out_be32((void *)release_addr,
+ CONFIG_SRIO_PCIE_BOOT_RELEASE_MASK);
+ debug("PCIEBOOT - MASTER: "
+ "Release slave successfully! Now the slave should start up!\n");
+ } else {
+ debug("PCIEBOOT - MASTER: "
+ "Release slave failed!\n");
+ }
+}
+#endif
+
void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
{
u32 cfg_addr = (u32)&((ccsr_fsl_pci_t *)pci_info->regs)->cfg_addr;
@@ -295,8 +384,25 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
/* see if we are a PCIe or PCI controller */
pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
+#ifdef CONFIG_FSL_CORENET
+ /* boot from PCIE --master */
+ char *s = getenv("bootmaster");
+ char pcie[6];
+ sprintf(pcie, "PCIE%d", pci_info->pci_num);
+
+ if (s && (strcmp(s, pcie) == 0)) {
+ debug("PCIEBOOT - MASTER: Master port [ %d ] for pcie boot.\n",
+ pci_info->pci_num);
+ fsl_pcie_boot_master((pit_t *)pi);
+ } else {
+ /* inbound */
+ inbound = fsl_pci_setup_inbound_windows(hose,
+ out_lo, pcie_cap, pi);
+ }
+#else
/* inbound */
inbound = fsl_pci_setup_inbound_windows(hose, out_lo, pcie_cap, pi);
+#endif
for (r = 0; r < hose->region_count; r++)
debug("PCI reg:%d %016llx:%016llx %016llx %08lx\n", r,
@@ -488,6 +594,16 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
if (fsl_is_pci_agent(hose)) {
fsl_pci_config_unlock(hose);
hose->last_busno = hose->first_busno;
+#ifdef CONFIG_FSL_CORENET
+ } else {
+ /* boot from PCIE --master releases slave's core 0 */
+ char *s = getenv("bootmaster");
+ char pcie[6];
+ sprintf(pcie, "PCIE%d", pci_info->pci_num);
+
+ if (s && (strcmp(s, pcie) == 0))
+ fsl_pcie_boot_master_release_slave(pci_info->pci_num);
+#endif
}
pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);