diff options
| author | Tom Rini <trini@ti.com> | 2014-12-01 15:24:07 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-12-01 15:24:07 -0500 |
| commit | f4e7e2d12164c3235c3f5e19a68a503623029d35 (patch) | |
| tree | dea8bdf2bf2a50f561c165b5bbd4e1195ab01994 /drivers/pci/pci.c | |
| parent | 9e374e7b729dc9f68be89cd3e3b1d4d48c768ecf (diff) | |
| parent | 908ec6e4d1d12f746cb9b7cc73430a268ceb2c92 (diff) | |
Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 7ee21d1c1d..3daf73c30a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -366,9 +366,27 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose, return phys_addr; } -/* - * - */ +void pci_write_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum, + u32 addr_and_ctrl) +{ + int bar; + + bar = PCI_BASE_ADDRESS_0 + barnum * 4; + pci_hose_write_config_dword(hose, dev, bar, addr_and_ctrl); +} + +u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum) +{ + u32 addr; + int bar; + + bar = PCI_BASE_ADDRESS_0 + barnum * 4; + pci_hose_read_config_dword(hose, dev, bar, &addr); + if (addr & PCI_BASE_ADDRESS_SPACE_IO) + return addr & PCI_BASE_ADDRESS_IO_MASK; + else + return addr & PCI_BASE_ADDRESS_MEM_MASK; +} int pci_hose_config_device(struct pci_controller *hose, pci_dev_t dev, |