dm: pci: Check board information pointer in decode_regions()
PCI enumeration may happen very early on an x86 board. The board
information pointer should have been checked in decode_regions()
as its space may not be allocated yet.
With this commit, Intel Galileo board boots again.
Fixes: 664758c ("pci: Fix decode regions for memory banks")
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index ad43e8a..9d51236 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -876,6 +876,9 @@
#ifdef CONFIG_NR_DRAM_BANKS
bd_t *bd = gd->bd;
+ if (!bd)
+ return 0;
+
for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
if (bd->bi_dram[i].size) {
pci_set_region(hose->regions + hose->region_count++,