From 664758c3dd1cf9c892ce98112e629cb032ac64aa Mon Sep 17 00:00:00 2001 From: Bernhard Messerklinger Date: Thu, 15 Feb 2018 08:59:53 +0100 Subject: [PATCH] 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 Reviewed-by: Hannes Schmelzer --- 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; } -- 2.39.2