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x86: coreboot: Configure pci memory regions

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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>
This commit is contained in:
Bin Meng 2015-01-06 22:14:23 +08:00 committed by Simon Glass
parent 48a223e4ba
commit cdcc17d73d
1 changed files with 28 additions and 2 deletions
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30
arch/x86/cpu/coreboot/pci.c
View file

@ -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;
}