diff options
Diffstat (limited to 'arch/x86/cpu/ivybridge/pci.c')
-rw-r--r-- | arch/x86/cpu/ivybridge/pci.c | 81 |
1 files changed, 24 insertions, 57 deletions
diff --git a/arch/x86/cpu/ivybridge/pci.c b/arch/x86/cpu/ivybridge/pci.c index 7f62a86e32..5e90f30e08 100644 --- a/arch/x86/cpu/ivybridge/pci.c +++ b/arch/x86/cpu/ivybridge/pci.c @@ -10,63 +10,24 @@ */ #include <common.h> +#include <dm.h> #include <pci.h> #include <asm/pci.h> +#include <asm/post.h> #include <asm/arch/bd82x6x.h> #include <asm/arch/pch.h> -static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev, - struct pci_config_table *table) -{ - u8 secondary; - - hose->read_byte(hose, dev, PCI_SECONDARY_BUS, &secondary); - if (secondary != 0) - pci_hose_scan_bus(hose, secondary); -} - -static struct pci_config_table pci_ivybridge_config_table[] = { - /* vendor, device, class, bus, dev, func */ - { PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_BRIDGE_PCI, - PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, &config_pci_bridge }, - {} -}; - -void board_pci_setup_hose(struct pci_controller *hose) -{ - hose->config_table = pci_ivybridge_config_table; - hose->first_busno = 0; - hose->last_busno = 0; - - /* PCI memory space */ - pci_set_region(hose->regions + 0, - CONFIG_PCI_MEM_BUS, - CONFIG_PCI_MEM_PHYS, - CONFIG_PCI_MEM_SIZE, - PCI_REGION_MEM); - - /* 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); - - hose->region_count = 3; -} - -int board_pci_pre_scan(struct pci_controller *hose) +static int pci_ivybridge_probe(struct udevice *bus) { + struct pci_controller *hose = dev_get_uclass_priv(bus); pci_dev_t dev; u16 reg16; + if (!(gd->flags & GD_FLG_RELOC)) + return 0; + post_code(0x50); bd82x6x_init(); + post_code(0x51); reg16 = 0xff; dev = PCH_DEV; @@ -82,19 +43,25 @@ int board_pci_pre_scan(struct pci_controller *hose) pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08); pci_write_bar32(hose, dev, 0, 0xf0000000); + post_code(0x52); return 0; } -int board_pci_post_scan(struct pci_controller *hose) -{ - int ret; +static const struct dm_pci_ops pci_ivybridge_ops = { + .read_config = pci_x86_read_config, + .write_config = pci_x86_write_config, +}; - ret = bd82x6x_init_pci_devices(); - if (ret) { - printf("bd82x6x_init_pci_devices() failed: %d\n", ret); - return ret; - } +static const struct udevice_id pci_ivybridge_ids[] = { + { .compatible = "intel,pci-ivybridge" }, + { } +}; - return 0; -} +U_BOOT_DRIVER(pci_ivybridge_drv) = { + .name = "pci_ivybridge", + .id = UCLASS_PCI, + .of_match = pci_ivybridge_ids, + .ops = &pci_ivybridge_ops, + .probe = pci_ivybridge_probe, +}; |