[U-Boot] [PATCH] pci: Fix decode regions for memory banks
Bernhard Messerklinger
bernhard.messerklinger at br-automation.com
Thu Feb 15 07:59:53 UTC 2018
Since memory banks may not be located behind each other we need to add
them separately.
Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger at br-automation.com>
---
drivers/pci/pci-uclass.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 5a24eb6428..ad43e8a27c 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -815,7 +815,6 @@ static int decode_regions(struct pci_controller *hose, ofnode parent_node,
ofnode node)
{
int pci_addr_cells, addr_cells, size_cells;
- phys_addr_t base = 0, size;
int cells_per_record;
const u32 *prop;
int len;
@@ -874,6 +873,21 @@ static int decode_regions(struct pci_controller *hose, ofnode parent_node,
}
/* Add a region for our local memory */
+#ifdef CONFIG_NR_DRAM_BANKS
+ bd_t *bd = gd->bd;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
+ if (bd->bi_dram[i].size) {
+ pci_set_region(hose->regions + hose->region_count++,
+ bd->bi_dram[i].start,
+ bd->bi_dram[i].start,
+ bd->bi_dram[i].size,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+ }
+ }
+#else
+ phys_addr_t base = 0, size;
+
size = gd->ram_size;
#ifdef CONFIG_SYS_SDRAM_BASE
base = CONFIG_SYS_SDRAM_BASE;
@@ -882,6 +896,7 @@ static int decode_regions(struct pci_controller *hose, ofnode parent_node,
size = gd->pci_ram_top - base;
pci_set_region(hose->regions + hose->region_count++, base, base,
size, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+#endif
return 0;
}
--
2.16.1
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