[U-Boot] [RFC/RESEND 09/22] pci: fix pce enumeration on thunderx
Tim Harvey
tharvey at gateworks.com
Mon Mar 4 17:34:24 UTC 2019
TODO:
- determine proper workaround for disabling found_multi
- determine proper workaround for decode_regions
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
drivers/pci/pci-uclass.c | 12 ++++++++++++
include/pci.h | 2 +-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 0720ffe5b4..845e280a60 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -783,8 +783,11 @@ int pci_bind_bus_devices(struct udevice *bus)
struct udevice *dev;
ulong class;
+/* causes devices beyond the internal bridge on the Octeon TX to not enum */
+#if !defined(CONFIG_ARCH_THUNDERX)
if (!PCI_FUNC(bdf))
found_multi = false;
+#endif
if (PCI_FUNC(bdf) && !found_multi)
continue;
/* Check only the first access, we don't expect problems */
@@ -910,6 +913,9 @@ static void decode_regions(struct pci_controller *hose, ofnode parent_node,
continue;
}
+#if defined(CONFIG_ARCH_THUNDERX)
+ pos = hose->region_count++;
+#else
pos = -1;
for (i = 0; i < hose->region_count; i++) {
if (hose->regions[i].flags == type)
@@ -917,10 +923,16 @@ static void decode_regions(struct pci_controller *hose, ofnode parent_node,
}
if (pos == -1)
pos = hose->region_count++;
+#endif
debug(" - type=%d, pos=%d\n", type, pos);
pci_set_region(hose->regions + pos, pci_addr, addr, size, type);
}
+ if (hose->region_count == MAX_PCI_REGIONS) {
+ printf("PCI region count reached limit, cannot add local memory region");
+ return;
+ }
+
/* Add a region for our local memory */
#ifdef CONFIG_NR_DRAM_BANKS
bd_t *bd = gd->bd;
diff --git a/include/pci.h b/include/pci.h
index 033d5adf2a..38d44d5b67 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -567,7 +567,7 @@ extern void pci_cfgfunc_do_nothing(struct pci_controller* hose, pci_dev_t dev,
extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev,
struct pci_config_table *);
-#define MAX_PCI_REGIONS 7
+#define MAX_PCI_REGIONS 10
#define INDIRECT_TYPE_NO_PCIE_LINK 1
--
2.17.1
More information about the U-Boot
mailing list