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authorBin Meng <bmeng.cn@gmail.com>2015-01-06 22:14:23 +0800
committerSimon Glass <sjg@chromium.org>2015-01-13 07:25:05 -0800
commitcdcc17d73dcbc40ccc74af98d914fbd61df4b85e (patch)
tree6b2a33e0111f2ef33e9228ee6a4bf66ac2058d79 /arch/x86/cpu/coreboot
parent48a223e4ba0a7fec5940cccf7950b656e4f7cbed (diff)
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x86: coreboot: Configure pci memory regions
Configure coreboot pci memory regions so that pci device drivers could work correctly. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu/coreboot')
-rw-r--r--arch/x86/cpu/coreboot/pci.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c
index 6a3dd93..c9983f1 100644
--- a/arch/x86/cpu/coreboot/pci.c
+++ b/arch/x86/cpu/coreboot/pci.c
@@ -13,6 +13,8 @@
#include <pci.h>
#include <asm/pci.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev,
struct pci_config_table *table)
{
@@ -35,7 +37,31 @@ void board_pci_setup_hose(struct pci_controller *hose)
hose->first_busno = 0;
hose->last_busno = 0;
- pci_set_region(hose->regions + 0, 0x0, 0x0, 0xffffffff,
+ /* PCI memory space */
+ pci_set_region(hose->regions + 0,
+ CONFIG_PCI_MEM_BUS,
+ CONFIG_PCI_MEM_PHYS,
+ CONFIG_PCI_MEM_SIZE,
PCI_REGION_MEM);
- hose->region_count = 1;
+
+ /* PCI IO space */
+ pci_set_region(hose->regions + 1,
+ CONFIG_PCI_IO_BUS,
+ CONFIG_PCI_IO_PHYS,
+ CONFIG_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ pci_set_region(hose->regions + 2,
+ CONFIG_PCI_PREF_BUS,
+ CONFIG_PCI_PREF_PHYS,
+ CONFIG_PCI_PREF_SIZE,
+ PCI_REGION_PREFETCH);
+
+ pci_set_region(hose->regions + 3,
+ 0,
+ 0,
+ gd->ram_size,
+ PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
+
+ hose->region_count = 4;
}