@@ -680,8 +680,8 @@ static int decode_regions(struct pci_controller *hose, const void *blob,
int parent_node, int node)
{
int pci_addr_cells, addr_cells, size_cells;
+ phys_addr_t base = 0, size;
int cells_per_record;
- phys_addr_t addr;
const u32 *prop;
int len;
int i;
@@ -732,11 +732,14 @@ static int decode_regions(struct pci_controller *hose, const void *blob,
}
/* Add a region for our local memory */
- addr = gd->ram_size;
- if (gd->pci_ram_top && gd->pci_ram_top < addr)
- addr = gd->pci_ram_top;
- pci_set_region(hose->regions + hose->region_count++, 0, 0, addr,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+ size = gd->ram_size;
+#ifdef CONFIG_SYS_SDRAM_BASE
+ base = CONFIG_SYS_SDRAM_BASE;
+#endif
+ if (gd->pci_ram_top && gd->pci_ram_top < base + size)
+ size = gd->pci_ram_top - base;
+ pci_set_region(hose->regions + hose->region_count++, base, base,
+ size, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
return 0;
}
SDRAM doesn't always start at 0. Adjust the region mapping so that it works on platforms where SDRAM is somewhere else. This needs testing on other platforms. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v2: - Rename 'addr' to 'size' - Correct logic for use of gd->pci_ram_top drivers/pci/pci-uclass.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)