From: Bernhard Messerklinger <bernhard.messerklinger@br-automation.com>
Date: Thu, 15 Feb 2018 07:59:53 +0000 (+0100)
Subject: pci: Fix decode regions for memory banks
X-Git-Url: http://git.dujemihanovic.xyz/img/static/gitweb.css?a=commitdiff_plain;h=664758c3dd1cf9c892ce98112e629cb032ac64aa;p=u-boot.git

pci: Fix decode regions for memory banks

Since memory banks may not be located behind each other we need to add
them separately.

Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger@br-automation.com>
Reviewed-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
---

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;
 }