| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootstate.h> |
| #include <console/console.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include <hwilib.h> |
| #include <intelblocks/lpc_lib.h> |
| #include <timer.h> |
| #include <timestamp.h> |
| #include <baseboard/variants.h> |
| #include <soc/pci_devs.h> |
| #include <types.h> |
| |
| void variant_mainboard_final(void) |
| { |
| struct device *dev; |
| |
| /* Set Master Enable for on-board PCI device. */ |
| dev = dev_find_device(PCI_VENDOR_ID_SIEMENS, 0x403e, 0); |
| if (dev) { |
| pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); |
| } |
| } |
| |
| static void wait_for_legacy_dev(void *unused) |
| { |
| uint32_t legacy_delay, us_since_boot; |
| struct stopwatch sw; |
| |
| /* Open main hwinfo block. */ |
| if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS) |
| return; |
| |
| /* Get legacy delay parameter from hwinfo. */ |
| if (hwilib_get_field(LegacyDelay, (uint8_t *) &legacy_delay, |
| sizeof(legacy_delay)) != sizeof(legacy_delay)) |
| return; |
| |
| us_since_boot = get_us_since_boot(); |
| /* No need to wait if the time since boot is already long enough.*/ |
| if (us_since_boot > legacy_delay) |
| return; |
| stopwatch_init_msecs_expire(&sw, (legacy_delay - us_since_boot) / 1000); |
| printk(BIOS_NOTICE, "Wait remaining %d of %d us for legacy devices...", |
| legacy_delay - us_since_boot, legacy_delay); |
| stopwatch_wait_until_expired(&sw); |
| printk(BIOS_NOTICE, "done!\n"); |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_ENTRY, wait_for_legacy_dev, NULL); |